pandory500/SDL-mirror
2
0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added source color and alpha modulation support.

Browse source 
Added perl script to generate optimized render copy functions.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%402032
This commit is contained in:
Sam Lantinga 2006-08-28 03:17:39 +00:00
parent aebbf8cb6e
commit fdafca64b3
25 changed files with 6938 additions and 288 deletions
Download patch file Download diff file Expand all files Collapse all files

2
include/SDL_audio.h
View file

@ -132,7 +132,7 @@ typedef struct SDL_AudioSpec
/* A structure to hold a set of audio conversion filters and buffers */ /* A structure to hold a set of audio conversion filters and buffers */
struct SDL_AudioCVT; struct SDL_AudioCVT;
typedef void (SDLCALL * SDL_AudioFilter)(struct SDL_AudioCVT *cvt, typedef void (SDLCALL * SDL_AudioFilter) (struct SDL_AudioCVT * cvt,
SDL_AudioFormat format); SDL_AudioFormat format);
typedef struct SDL_AudioCVT typedef struct SDL_AudioCVT

6
include/SDL_endian.h
View file

@ -195,7 +195,11 @@ SDL_Swap64(Uint64 x)
static __inline__ float static __inline__ float
SDL_SwapFloat(float x) SDL_SwapFloat(float x)
{ {
union { float f; Uint32 ui32; } swapper; union
{
float f;
Uint32 ui32;
} swapper;
swapper.f = x; swapper.f = x;
swapper.ui32 = SDL_Swap32(swapper.ui32); swapper.ui32 = SDL_Swap32(swapper.ui32);
return swapper.f; return swapper.f;

178
include/SDL_video.h
View file

@ -176,7 +176,7 @@ typedef enum
SDL_RENDERER_PRESENTFLIP3 = 0x00000008, /**< Present uses a flip, rotating between two back buffers and a front buffer */ SDL_RENDERER_PRESENTFLIP3 = 0x00000008, /**< Present uses a flip, rotating between two back buffers and a front buffer */
SDL_RENDERER_PRESENTDISCARD = 0x00000010, /**< Present leaves the contents of the backbuffer undefined */ SDL_RENDERER_PRESENTDISCARD = 0x00000010, /**< Present leaves the contents of the backbuffer undefined */
SDL_RENDERER_PRESENTVSYNC = 0x00000020, /**< Present is synchronized with the refresh rate */ SDL_RENDERER_PRESENTVSYNC = 0x00000020, /**< Present is synchronized with the refresh rate */
SDL_RENDERER_ACCELERATED = 0x00000040, /**< The renderer uses hardware acceleration */ SDL_RENDERER_ACCELERATED = 0x0000040, /**< The renderer uses hardware acceleration */
} SDL_RendererFlags; } SDL_RendererFlags;
/** /**
@ -188,6 +188,7 @@ typedef struct SDL_RendererInfo
{ {
const char *name; /**< The name of the renderer */ const char *name; /**< The name of the renderer */
Uint32 flags; /**< Supported SDL_RendererFlags */ Uint32 flags; /**< Supported SDL_RendererFlags */
Uint32 mod_modes; /**< A mask of supported channel modulation */
Uint32 blend_modes; /**< A mask of supported blend modes */ Uint32 blend_modes; /**< A mask of supported blend modes */
Uint32 scale_modes; /**< A mask of supported scale modes */ Uint32 scale_modes; /**< A mask of supported scale modes */
Uint32 num_texture_formats; /**< The number of available texture formats */ Uint32 num_texture_formats; /**< The number of available texture formats */
@ -207,10 +208,22 @@ typedef enum
SDL_TEXTUREACCESS_REMOTE, /**< Unlockable video memory */ SDL_TEXTUREACCESS_REMOTE, /**< Unlockable video memory */
} SDL_TextureAccess; } SDL_TextureAccess;
/**
* \enum SDL_TextureModulate
*
* \brief The texture channel modulation used in SDL_RenderCopy()
*/
typedef enum
{
SDL_TEXTUREMODULATE_NONE = 0x00000000, /**< No modulation */
SDL_TEXTUREMODULATE_COLOR = 0x00000001, /**< srcC = srcC * color */
SDL_TEXTUREMODULATE_ALPHA = 0x00000002, /**< srcA = srcA * alpha */
} SDL_TextureModulate;
/** /**
* \enum SDL_TextureBlendMode * \enum SDL_TextureBlendMode
* *
* \brief The blend mode used in SDL_RenderCopy() * \brief The texture blend mode used in SDL_RenderCopy()
*/ */
typedef enum typedef enum
{ {
@ -224,7 +237,7 @@ typedef enum
/** /**
* \enum SDL_TextureScaleMode * \enum SDL_TextureScaleMode
* *
* \brief The scale mode used in SDL_RenderCopy() * \brief The texture scale mode used in SDL_RenderCopy()
*/ */
typedef enum typedef enum
{ {
@ -272,12 +285,15 @@ typedef struct SDL_Surface
int pitch; /* Read-only */ int pitch; /* Read-only */
void *pixels; /* Read-write */ void *pixels; /* Read-write */
/* Application data associated with the surfade */
void *userdata; /* Read-write */
/* texture associated with the surface, if any */ /* texture associated with the surface, if any */
SDL_TextureID textureID; SDL_TextureID textureID; /* Read-only */
/* information needed for surfaces requiring locks */ /* information needed for surfaces requiring locks */
int locked; int locked; /* Read-only */
void *lock_data; void *lock_data; /* Read-only */
/* clipping information */ /* clipping information */
SDL_Rect clip_rect; /* Read-only */ SDL_Rect clip_rect; /* Read-only */
@ -997,6 +1013,136 @@ extern DECLSPEC int SDLCALL SDL_GetTexturePalette(SDL_TextureID textureID,
int firstcolor, int firstcolor,
int ncolors); int ncolors);
/**
* \fn int SDL_SetTextureColorMod(SDL_TextureID textureID, Uint8 r, Uint8 g, Uint8 b)
*
* \brief Set an additional color value used in render copy operations
*
* \param texture The texture to update
* \param r The red source color value multiplied into copy operations
* \param g The green source color value multiplied into copy operations
* \param b The blue source color value multiplied into copy operations
*
* \return 0 on success, or -1 if the texture is not valid or color modulation is not supported
*
* \sa SDL_GetTextureColorMod()
*/
extern DECLSPEC int SDLCALL SDL_SetTextureColorMod(SDL_TextureID textureID,
Uint8 r, Uint8 g, Uint8 b);
/**
* \fn int SDL_GetTextureColorMod(SDL_TextureID textureID, Uint8 *r, Uint8 *g, Uint8 *b)
*
* \brief Get the additional color value used in render copy operations
*
* \param texture The texture to query
* \param r A pointer filled in with the source red color value
* \param g A pointer filled in with the source green color value
* \param b A pointer filled in with the source blue color value
*
* \return 0 on success, or -1 if the texture is not valid
*
* \sa SDL_SetTextureColorMod()
*/
extern DECLSPEC int SDLCALL SDL_GetTextureColorMod(SDL_TextureID textureID,
Uint8 * r, Uint8 * g,
Uint8 * b);
/**
* \fn int SDL_SetTextureAlphaMod(SDL_TextureID textureID, Uint8 alpha)
*
* \brief Set an additional alpha value used in render copy operations
*
* \param texture The texture to update
* \param alpha The source alpha value multiplied into copy operations.
*
* \return 0 on success, or -1 if the texture is not valid or alpha modulation is not supported
*
* \sa SDL_GetTextureAlphaMod()
*/
extern DECLSPEC int SDLCALL SDL_SetTextureAlphaMod(SDL_TextureID textureID,
Uint8 alpha);
/**
* \fn int SDL_GetTextureAlphaMod(SDL_TextureID textureID, Uint8 *alpha)
*
* \brief Get the additional alpha value used in render copy operations
*
* \param texture The texture to query
* \param alpha A pointer filled in with the source alpha value
*
* \return 0 on success, or -1 if the texture is not valid
*
* \sa SDL_SetTextureAlphaMod()
*/
extern DECLSPEC int SDLCALL SDL_GetTextureAlphaMod(SDL_TextureID textureID,
Uint8 * alpha);
/**
* \fn int SDL_SetTextureBlendMode(SDL_TextureID textureID, int blendMode)
*
* \brief Set the blend mode used for texture copy operations
*
* \param texture The texture to update
* \param blendMode SDL_TextureBlendMode to use for texture blending
*
* \return 0 on success, or -1 if the texture is not valid or the blend mode is not supported
*
* \note If the blend mode is not supported, the closest supported mode is chosen.
*
* \sa SDL_GetTextureBlendMode()
*/
extern DECLSPEC int SDLCALL SDL_SetTextureBlendMode(SDL_TextureID textureID,
int blendMode);
/**
* \fn int SDL_GetTextureBlendMode(SDL_TextureID textureID, int *blendMode)
*
* \brief Get the blend mode used for texture copy operations
*
* \param texture The texture to query
* \param blendMode A pointer filled in with the current blend mode
*
* \return 0 on success, or -1 if the texture is not valid
*
* \sa SDL_SetTextureBlendMode()
*/
extern DECLSPEC int SDLCALL SDL_GetTextureBlendMode(SDL_TextureID textureID,
int *blendMode);
/**
* \fn int SDL_SetTextureScaleMode(SDL_TextureID textureID, int scaleMode)
*
* \brief Set the scale mode used for texture copy operations
*
* \param texture The texture to update
* \param scaleMode SDL_TextureScaleMode to use for texture scaling
*
* \return 0 on success, or -1 if the texture is not valid or the scale mode is not supported
*
* \note If the scale mode is not supported, the closest supported mode is chosen.
*
* \sa SDL_GetTextureScaleMode()
*/
extern DECLSPEC int SDLCALL SDL_SetTextureScaleMode(SDL_TextureID textureID,
int scaleMode);
/**
* \fn int SDL_GetTextureScaleMode(SDL_TextureID textureID, int *scaleMode)
*
* \brief Get the scale mode used for texture copy operations
*
* \param texture The texture to query
* \param scaleMode A pointer filled in with the current scale mode
*
* \return 0 on success, or -1 if the texture is not valid
*
* \sa SDL_SetTextureScaleMode()
*/
extern DECLSPEC int SDLCALL SDL_GetTextureScaleMode(SDL_TextureID textureID,
int *scaleMode);
/** /**
* \fn int SDL_UpdateTexture(SDL_TextureID textureID, const SDL_Rect *rect, const void *pixels, int pitch) * \fn int SDL_UpdateTexture(SDL_TextureID textureID, const SDL_Rect *rect, const void *pixels, int pitch)
* *
@ -1061,37 +1207,35 @@ extern DECLSPEC void SDLCALL SDL_DirtyTexture(SDL_TextureID textureID,
const SDL_Rect * rects); const SDL_Rect * rects);
/** /**
* \fn void SDL_RenderFill(const SDL_Rect *rect, Uint32 color) * \fn void SDL_RenderFill(Uint8 r, Uint8 g, Uint8 b, Uint8 a, const SDL_Rect *rect)
* *
* \brief Fill the current rendering target with the specified color. * \brief Fill the current rendering target with the specified color.
* *
* \param r The red value used to fill the rendering target
* \param g The green value used to fill the rendering target
* \param b The blue value used to fill the rendering target
* \param a The alpha value used to fill the rendering target, usually SDL_ALPHA_OPAQUE (255)
* \param rect A pointer to the destination rectangle, or NULL for the entire rendering target. * \param rect A pointer to the destination rectangle, or NULL for the entire rendering target.
* \param color An ARGB color value.
* *
* \return 0 on success, or -1 if there is no rendering context current * \return 0 on success, or -1 if there is no rendering context current
*/ */
extern DECLSPEC int SDLCALL SDL_RenderFill(const SDL_Rect * rect, extern DECLSPEC int SDLCALL SDL_RenderFill(Uint8 r, Uint8 g, Uint8 b, Uint8 a,
Uint32 color); const SDL_Rect * rect);
/** /**
* \fn int SDL_RenderCopy(SDL_TextureID textureID, const SDL_Rect *srcrect, const SDL_Rect *dstrect, Uint32 blendMode, Uint32 scaleMode) * \fn int SDL_RenderCopy(SDL_TextureID textureID, const SDL_Rect *srcrect, const SDL_Rect *dstrect)
* *
* \brief Copy a portion of the texture to the current rendering target. * \brief Copy a portion of the texture to the current rendering target.
* *
* \param texture The source texture. * \param texture The source texture.
* \param srcrect A pointer to the source rectangle, or NULL for the entire texture. * \param srcrect A pointer to the source rectangle, or NULL for the entire texture.
* \param dstrect A pointer to the destination rectangle, or NULL for the entire rendering target. * \param dstrect A pointer to the destination rectangle, or NULL for the entire rendering target.
* \param blendMode SDL_TextureBlendMode to be used if the source texture has an alpha channel.
* \param scaleMode SDL_TextureScaleMode to be used if the source and destination rectangles don't have the same width and height.
* *
* \return 0 on success, or -1 if there is no rendering context current, or the driver doesn't support the requested operation. * \return 0 on success, or -1 if there is no rendering context current, or the driver doesn't support the requested operation.
*
* \note You can check the video driver info to see what operations are supported.
*/ */
extern DECLSPEC int SDLCALL SDL_RenderCopy(SDL_TextureID textureID, extern DECLSPEC int SDLCALL SDL_RenderCopy(SDL_TextureID textureID,
const SDL_Rect * srcrect, const SDL_Rect * srcrect,
const SDL_Rect * dstrect, const SDL_Rect * dstrect);
int blendMode, int scaleMode);
/** /**
* \fn int SDL_RenderReadPixels(const SDL_Rect *rect, void *pixels, int pitch) * \fn int SDL_RenderReadPixels(const SDL_Rect *rect, void *pixels, int pitch)

12
src/SDL_compat.c
View file

@ -673,9 +673,7 @@ SDL_UpdateRects(SDL_Surface * screen, int numrects, SDL_Rect * rects)
if (screen == SDL_VideoSurface) { if (screen == SDL_VideoSurface) {
if (SDL_VideoRendererInfo.flags & SDL_RENDERER_PRESENTCOPY) { if (SDL_VideoRendererInfo.flags & SDL_RENDERER_PRESENTCOPY) {
for (i = 0; i < numrects; ++i) { for (i = 0; i < numrects; ++i) {
SDL_RenderCopy(SDL_VideoTexture, &rects[i], &rects[i], SDL_RenderCopy(SDL_VideoTexture, &rects[i], &rects[i]);
SDL_TEXTUREBLENDMODE_NONE,
SDL_TEXTURESCALEMODE_NONE);
} }
} else { } else {
SDL_Rect rect; SDL_Rect rect;
@ -683,9 +681,7 @@ SDL_UpdateRects(SDL_Surface * screen, int numrects, SDL_Rect * rects)
rect.y = 0; rect.y = 0;
rect.w = screen->w; rect.w = screen->w;
rect.h = screen->h; rect.h = screen->h;
SDL_RenderCopy(SDL_VideoTexture, &rect, &rect, SDL_RenderCopy(SDL_VideoTexture, &rect, &rect);
SDL_TEXTUREBLENDMODE_NONE,
SDL_TEXTURESCALEMODE_NONE);
} }
SDL_RenderPresent(); SDL_RenderPresent();
} }
@ -1421,9 +1417,7 @@ SDL_UnlockYUVOverlay(SDL_Overlay * overlay)
int int
SDL_DisplayYUVOverlay(SDL_Overlay * overlay, SDL_Rect * dstrect) SDL_DisplayYUVOverlay(SDL_Overlay * overlay, SDL_Rect * dstrect)
{ {
if (SDL_RenderCopy(overlay->hwdata->textureID, NULL, dstrect, if (SDL_RenderCopy(overlay->hwdata->textureID, NULL, dstrect) < 0) {
SDL_TEXTUREBLENDMODE_NONE,
SDL_TEXTURESCALEMODE_FAST) < 0) {
return -1; return -1;
} }
SDL_RenderPresent(); SDL_RenderPresent();

67
src/audio/SDL_audiocvt.c
View file

@ -36,7 +36,7 @@ SDL_ConvertMono(SDL_AudioCVT * cvt, SDL_AudioFormat format)
#ifdef DEBUG_CONVERT #ifdef DEBUG_CONVERT
fprintf(stderr, "Converting to mono\n"); fprintf(stderr, "Converting to mono\n");
#endif #endif
switch (format & (SDL_AUDIO_MASK_SIGNED|SDL_AUDIO_MASK_BITSIZE)) { switch (format & (SDL_AUDIO_MASK_SIGNED | SDL_AUDIO_MASK_BITSIZE)) {
case AUDIO_U8: case AUDIO_U8:
{ {
Uint8 *src, *dst; Uint8 *src, *dst;
@ -188,7 +188,11 @@ SDL_ConvertMono(SDL_AudioCVT * cvt, SDL_AudioFormat format)
case AUDIO_F32: case AUDIO_F32:
{ {
/* !!! FIXME: this convert union is nasty. */ /* !!! FIXME: this convert union is nasty. */
union { float f; Uint32 ui32; } f2i; union
{
float f;
Uint32 ui32;
} f2i;
const Uint32 *src = (const Uint32 *) cvt->buf; const Uint32 *src = (const Uint32 *) cvt->buf;
Uint32 *dst = (Uint32 *) cvt->buf; Uint32 *dst = (Uint32 *) cvt->buf;
if (SDL_AUDIO_ISBIGENDIAN(format)) { if (SDL_AUDIO_ISBIGENDIAN(format)) {
@ -235,7 +239,7 @@ SDL_ConvertStrip(SDL_AudioCVT * cvt, SDL_AudioFormat format)
fprintf(stderr, "Converting down from 6 channels to stereo\n"); fprintf(stderr, "Converting down from 6 channels to stereo\n");
#endif #endif
#define strip_chans_6_to_2(type) \ #define strip_chans_6_to_2(type) \
{ \ { \
const type *src = (const type *) cvt->buf; \ const type *src = (const type *) cvt->buf; \
type *dst = (type *) cvt->buf; \ type *dst = (type *) cvt->buf; \
@ -260,7 +264,7 @@ SDL_ConvertStrip(SDL_AudioCVT * cvt, SDL_AudioFormat format)
break; break;
} }
#undef strip_chans_6_to_2 #undef strip_chans_6_to_2
cvt->len_cvt /= 3; cvt->len_cvt /= 3;
if (cvt->filters[++cvt->filter_index]) { if (cvt->filters[++cvt->filter_index]) {
@ -279,7 +283,7 @@ SDL_ConvertStrip_2(SDL_AudioCVT * cvt, SDL_AudioFormat format)
fprintf(stderr, "Converting 6 down to quad\n"); fprintf(stderr, "Converting 6 down to quad\n");
#endif #endif
#define strip_chans_6_to_4(type) \ #define strip_chans_6_to_4(type) \
{ \ { \
const type *src = (const type *) cvt->buf; \ const type *src = (const type *) cvt->buf; \
type *dst = (type *) cvt->buf; \ type *dst = (type *) cvt->buf; \
@ -306,7 +310,7 @@ SDL_ConvertStrip_2(SDL_AudioCVT * cvt, SDL_AudioFormat format)
break; break;
} }
#undef strip_chans_6_to_4 #undef strip_chans_6_to_4
cvt->len_cvt /= 6; cvt->len_cvt /= 6;
cvt->len_cvt *= 4; cvt->len_cvt *= 4;
@ -325,7 +329,7 @@ SDL_ConvertStereo(SDL_AudioCVT * cvt, SDL_AudioFormat format)
fprintf(stderr, "Converting to stereo\n"); fprintf(stderr, "Converting to stereo\n");
#endif #endif
#define dup_chans_1_to_2(type) \ #define dup_chans_1_to_2(type) \
{ \ { \
const type *src = (const type *) (cvt->buf + cvt->len_cvt); \ const type *src = (const type *) (cvt->buf + cvt->len_cvt); \
type *dst = (type *) (cvt->buf + cvt->len_cvt * 2); \ type *dst = (type *) (cvt->buf + cvt->len_cvt * 2); \
@ -349,7 +353,7 @@ SDL_ConvertStereo(SDL_AudioCVT * cvt, SDL_AudioFormat format)
break; break;
} }
#undef dup_chans_1_to_2 #undef dup_chans_1_to_2
cvt->len_cvt *= 2; cvt->len_cvt *= 2;
if (cvt->filters[++cvt->filter_index]) { if (cvt->filters[++cvt->filter_index]) {
@ -368,7 +372,7 @@ SDL_ConvertSurround(SDL_AudioCVT * cvt, SDL_AudioFormat format)
fprintf(stderr, "Converting stereo to surround\n"); fprintf(stderr, "Converting stereo to surround\n");
#endif #endif
switch (format & (SDL_AUDIO_MASK_SIGNED|SDL_AUDIO_MASK_BITSIZE)) { switch (format & (SDL_AUDIO_MASK_SIGNED | SDL_AUDIO_MASK_BITSIZE)) {
case AUDIO_U8: case AUDIO_U8:
{ {
Uint8 *src, *dst, lf, rf, ce; Uint8 *src, *dst, lf, rf, ce;
@ -573,7 +577,11 @@ SDL_ConvertSurround(SDL_AudioCVT * cvt, SDL_AudioFormat format)
case AUDIO_F32: case AUDIO_F32:
{ {
union { float f; Uint32 ui32; } f2i; /* !!! FIXME: lame. */ union
{
float f;
Uint32 ui32;
} f2i; /* !!! FIXME: lame. */
float lf, rf, ce; float lf, rf, ce;
const Uint32 *src = (const Uint32 *) cvt->buf + cvt->len_cvt; const Uint32 *src = (const Uint32 *) cvt->buf + cvt->len_cvt;
Uint32 *dst = (Uint32 *) cvt->buf + cvt->len_cvt * 3; Uint32 *dst = (Uint32 *) cvt->buf + cvt->len_cvt * 3;
@ -640,7 +648,7 @@ SDL_ConvertSurround_4(SDL_AudioCVT * cvt, SDL_AudioFormat format)
fprintf(stderr, "Converting stereo to quad\n"); fprintf(stderr, "Converting stereo to quad\n");
#endif #endif
switch (format & (SDL_AUDIO_MASK_SIGNED|SDL_AUDIO_MASK_BITSIZE)) { switch (format & (SDL_AUDIO_MASK_SIGNED | SDL_AUDIO_MASK_BITSIZE)) {
case AUDIO_U8: case AUDIO_U8:
{ {
Uint8 *src, *dst, lf, rf, ce; Uint8 *src, *dst, lf, rf, ce;
@ -831,7 +839,7 @@ SDL_RateMUL2(SDL_AudioCVT * cvt, SDL_AudioFormat format)
fprintf(stderr, "Converting audio rate * 2 (mono)\n"); fprintf(stderr, "Converting audio rate * 2 (mono)\n");
#endif #endif
#define mul2_mono(type) { \ #define mul2_mono(type) { \
const type *src = (const type *) (cvt->buf + cvt->len_cvt); \ const type *src = (const type *) (cvt->buf + cvt->len_cvt); \
type *dst = (type *) (cvt->buf + (cvt->len_cvt * 2)); \ type *dst = (type *) (cvt->buf + (cvt->len_cvt * 2)); \
for (i = cvt->len_cvt / sizeof (type); i; --i) { \ for (i = cvt->len_cvt / sizeof (type); i; --i) { \
@ -853,7 +861,7 @@ SDL_RateMUL2(SDL_AudioCVT * cvt, SDL_AudioFormat format)
break; break;
} }
#undef mul2_mono #undef mul2_mono
cvt->len_cvt *= 2; cvt->len_cvt *= 2;
if (cvt->filters[++cvt->filter_index]) { if (cvt->filters[++cvt->filter_index]) {
@ -872,7 +880,7 @@ SDL_RateMUL2_c2(SDL_AudioCVT * cvt, SDL_AudioFormat format)
fprintf(stderr, "Converting audio rate * 2 (stereo)\n"); fprintf(stderr, "Converting audio rate * 2 (stereo)\n");
#endif #endif
#define mul2_stereo(type) { \ #define mul2_stereo(type) { \
const type *src = (const type *) (cvt->buf + cvt->len_cvt); \ const type *src = (const type *) (cvt->buf + cvt->len_cvt); \
type *dst = (type *) (cvt->buf + (cvt->len_cvt * 2)); \ type *dst = (type *) (cvt->buf + (cvt->len_cvt * 2)); \
for (i = cvt->len_cvt / (sizeof (type) * 2); i; --i) { \ for (i = cvt->len_cvt / (sizeof (type) * 2); i; --i) { \
@ -899,7 +907,7 @@ SDL_RateMUL2_c2(SDL_AudioCVT * cvt, SDL_AudioFormat format)
break; break;
} }
#undef mul2_stereo #undef mul2_stereo
cvt->len_cvt *= 2; cvt->len_cvt *= 2;
if (cvt->filters[++cvt->filter_index]) { if (cvt->filters[++cvt->filter_index]) {
@ -917,7 +925,7 @@ SDL_RateMUL2_c4(SDL_AudioCVT * cvt, SDL_AudioFormat format)
fprintf(stderr, "Converting audio rate * 2 (quad)\n"); fprintf(stderr, "Converting audio rate * 2 (quad)\n");
#endif #endif
#define mul2_quad(type) { \ #define mul2_quad(type) { \
const type *src = (const type *) (cvt->buf + cvt->len_cvt); \ const type *src = (const type *) (cvt->buf + cvt->len_cvt); \
type *dst = (type *) (cvt->buf + (cvt->len_cvt * 2)); \ type *dst = (type *) (cvt->buf + (cvt->len_cvt * 2)); \
for (i = cvt->len_cvt / (sizeof (type) * 4); i; --i) { \ for (i = cvt->len_cvt / (sizeof (type) * 4); i; --i) { \
@ -950,7 +958,7 @@ SDL_RateMUL2_c4(SDL_AudioCVT * cvt, SDL_AudioFormat format)
break; break;
} }
#undef mul2_quad #undef mul2_quad
cvt->len_cvt *= 2; cvt->len_cvt *= 2;
if (cvt->filters[++cvt->filter_index]) { if (cvt->filters[++cvt->filter_index]) {
@ -969,7 +977,7 @@ SDL_RateMUL2_c6(SDL_AudioCVT * cvt, SDL_AudioFormat format)
fprintf(stderr, "Converting audio rate * 2 (six channels)\n"); fprintf(stderr, "Converting audio rate * 2 (six channels)\n");
#endif #endif
#define mul2_chansix(type) { \ #define mul2_chansix(type) { \
const type *src = (const type *) (cvt->buf + cvt->len_cvt); \ const type *src = (const type *) (cvt->buf + cvt->len_cvt); \
type *dst = (type *) (cvt->buf + (cvt->len_cvt * 2)); \ type *dst = (type *) (cvt->buf + (cvt->len_cvt * 2)); \
for (i = cvt->len_cvt / (sizeof (type) * 6); i; --i) { \ for (i = cvt->len_cvt / (sizeof (type) * 6); i; --i) { \
@ -1008,7 +1016,7 @@ SDL_RateMUL2_c6(SDL_AudioCVT * cvt, SDL_AudioFormat format)
break; break;
} }
#undef mul2_chansix #undef mul2_chansix
cvt->len_cvt *= 2; cvt->len_cvt *= 2;
if (cvt->filters[++cvt->filter_index]) { if (cvt->filters[++cvt->filter_index]) {
@ -1026,7 +1034,7 @@ SDL_RateDIV2(SDL_AudioCVT * cvt, SDL_AudioFormat format)
fprintf(stderr, "Converting audio rate / 2 (mono)\n"); fprintf(stderr, "Converting audio rate / 2 (mono)\n");
#endif #endif
#define div2_mono(type) { \ #define div2_mono(type) { \
const type *src = (const type *) cvt->buf; \ const type *src = (const type *) cvt->buf; \
type *dst = (type *) cvt->buf; \ type *dst = (type *) cvt->buf; \
for (i = cvt->len_cvt / (sizeof (type) * 2); i; --i) { \ for (i = cvt->len_cvt / (sizeof (type) * 2); i; --i) { \
@ -1048,7 +1056,7 @@ SDL_RateDIV2(SDL_AudioCVT * cvt, SDL_AudioFormat format)
break; break;
} }
#undef div2_mono #undef div2_mono
cvt->len_cvt /= 2; cvt->len_cvt /= 2;
if (cvt->filters[++cvt->filter_index]) { if (cvt->filters[++cvt->filter_index]) {
@ -1067,7 +1075,7 @@ SDL_RateDIV2_c2(SDL_AudioCVT * cvt, SDL_AudioFormat format)
fprintf(stderr, "Converting audio rate / 2 (stereo)\n"); fprintf(stderr, "Converting audio rate / 2 (stereo)\n");
#endif #endif
#define div2_stereo(type) { \ #define div2_stereo(type) { \
const type *src = (const type *) cvt->buf; \ const type *src = (const type *) cvt->buf; \
type *dst = (type *) cvt->buf; \ type *dst = (type *) cvt->buf; \
for (i = cvt->len_cvt / (sizeof (type) * 4); i; --i) { \ for (i = cvt->len_cvt / (sizeof (type) * 4); i; --i) { \
@ -1090,7 +1098,7 @@ SDL_RateDIV2_c2(SDL_AudioCVT * cvt, SDL_AudioFormat format)
break; break;
} }
#undef div2_stereo #undef div2_stereo
cvt->len_cvt /= 2; cvt->len_cvt /= 2;
if (cvt->filters[++cvt->filter_index]) { if (cvt->filters[++cvt->filter_index]) {
@ -1109,7 +1117,7 @@ SDL_RateDIV2_c4(SDL_AudioCVT * cvt, SDL_AudioFormat format)
fprintf(stderr, "Converting audio rate / 2 (quad)\n"); fprintf(stderr, "Converting audio rate / 2 (quad)\n");
#endif #endif
#define div2_quad(type) { \ #define div2_quad(type) { \
const type *src = (const type *) cvt->buf; \ const type *src = (const type *) cvt->buf; \
type *dst = (type *) cvt->buf; \ type *dst = (type *) cvt->buf; \
for (i = cvt->len_cvt / (sizeof (type) * 8); i; --i) { \ for (i = cvt->len_cvt / (sizeof (type) * 8); i; --i) { \
@ -1134,7 +1142,7 @@ SDL_RateDIV2_c4(SDL_AudioCVT * cvt, SDL_AudioFormat format)
break; break;
} }
#undef div2_quad #undef div2_quad
cvt->len_cvt /= 2; cvt->len_cvt /= 2;
if (cvt->filters[++cvt->filter_index]) { if (cvt->filters[++cvt->filter_index]) {
@ -1152,7 +1160,7 @@ SDL_RateDIV2_c6(SDL_AudioCVT * cvt, SDL_AudioFormat format)
fprintf(stderr, "Converting audio rate / 2 (six channels)\n"); fprintf(stderr, "Converting audio rate / 2 (six channels)\n");
#endif #endif
#define div2_chansix(type) { \ #define div2_chansix(type) { \
const type *src = (const type *) cvt->buf; \ const type *src = (const type *) cvt->buf; \
type *dst = (type *) cvt->buf; \ type *dst = (type *) cvt->buf; \
for (i = cvt->len_cvt / (sizeof (type) * 12); i; --i) { \ for (i = cvt->len_cvt / (sizeof (type) * 12); i; --i) { \
@ -1179,7 +1187,7 @@ SDL_RateDIV2_c6(SDL_AudioCVT * cvt, SDL_AudioFormat format)
break; break;
} }
#undef div_chansix #undef div_chansix
cvt->len_cvt /= 2; cvt->len_cvt /= 2;
if (cvt->filters[++cvt->filter_index]) { if (cvt->filters[++cvt->filter_index]) {
@ -1379,11 +1387,10 @@ SDL_BuildAudioCVT(SDL_AudioCVT * cvt,
if ((SDL_AUDIO_BITSIZE(dst_fmt) > 16) && (!SDL_AUDIO_ISSIGNED(dst_fmt))) { if ((SDL_AUDIO_BITSIZE(dst_fmt) > 16) && (!SDL_AUDIO_ISSIGNED(dst_fmt))) {
return -1; return -1;
} }
#ifdef DEBUG_CONVERT
#ifdef DEBUG_CONVERT
printf("Build format %04x->%04x, channels %u->%u, rate %d->%d\n", printf("Build format %04x->%04x, channels %u->%u, rate %d->%d\n",
src_fmt, dst_fmt, src_channels, dst_channels, src_rate, dst_rate); src_fmt, dst_fmt, src_channels, dst_channels, src_rate, dst_rate);
#endif #endif
/* Start off with no conversion necessary */ /* Start off with no conversion necessary */

9
src/audio/SDL_audiotypecvt.c
View file

@ -1,6 +1,4 @@
/* DO NOT EDIT THIS FILE! It is generated code. */ /* DO NOT EDIT! This file is generated by sdlgenaudiocvt.pl */
/* Please modify SDL/src/audio/sdlgenaudiocvt.pl instead. */
/* /*
SDL - Simple DirectMedia Layer SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga Copyright (C) 1997-2006 Sam Lantinga
@ -27,7 +25,7 @@
#include "SDL_audio.h" #include "SDL_audio.h"
#include "SDL_audio_c.h" #include "SDL_audio_c.h"
/* Now the generated code... */ /* *INDENT-OFF* */
#define DIVBY127 0.0078740157480315f #define DIVBY127 0.0078740157480315f
#define DIVBY255 0.00392156862745098f #define DIVBY255 0.00392156862745098f
@ -2354,3 +2352,6 @@ const SDL_AudioTypeFilters sdl_audio_type_filters[] =
}; };
/* *INDENT-ON* */
/* vi: set ts=4 sw=4 expandtab: */

20
src/audio/SDL_mixer.c
View file

@ -263,8 +263,8 @@ SDL_MixAudioFormat(Uint8 * dst, const Uint8 * src, SDL_AudioFormat format,
Uint32 *dst32 = (Uint32 *) dst; Uint32 *dst32 = (Uint32 *) dst;
Sint32 src1, src2; Sint32 src1, src2;
Sint64 dst_sample; Sint64 dst_sample;
const Sint64 max_audioval = ((((Sint64)1) << (32 - 1)) - 1); const Sint64 max_audioval = ((((Sint64) 1) << (32 - 1)) - 1);
const Sint64 min_audioval = -(((Sint64)1) << (32 - 1)); const Sint64 min_audioval = -(((Sint64) 1) << (32 - 1));
len /= 4; len /= 4;
while (len--) { while (len--) {
@ -289,8 +289,8 @@ SDL_MixAudioFormat(Uint8 * dst, const Uint8 * src, SDL_AudioFormat format,
Uint32 *dst32 = (Uint32 *) dst; Uint32 *dst32 = (Uint32 *) dst;
Sint32 src1, src2; Sint32 src1, src2;
Sint64 dst_sample; Sint64 dst_sample;
const Sint64 max_audioval = ((((Sint64)1) << (32 - 1)) - 1); const Sint64 max_audioval = ((((Sint64) 1) << (32 - 1)) - 1);
const Sint64 min_audioval = -(((Sint64)1) << (32 - 1)); const Sint64 min_audioval = -(((Sint64) 1) << (32 - 1));
len /= 4; len /= 4;
while (len--) { while (len--) {
@ -322,7 +322,11 @@ SDL_MixAudioFormat(Uint8 * dst, const Uint8 * src, SDL_AudioFormat format,
const double min_audioval = -3.40282347e+38F; const double min_audioval = -3.40282347e+38F;
/* !!! FIXME: this is a little nasty. */ /* !!! FIXME: this is a little nasty. */
union { float f; Uint32 ui32; } cvt; union
{
float f;
Uint32 ui32;
} cvt;
len /= 4; len /= 4;
while (len--) { while (len--) {
@ -360,7 +364,11 @@ SDL_MixAudioFormat(Uint8 * dst, const Uint8 * src, SDL_AudioFormat format,
const double min_audioval = -3.40282347e+38F; const double min_audioval = -3.40282347e+38F;
/* !!! FIXME: this is a little nasty. */ /* !!! FIXME: this is a little nasty. */
union { float f; Uint32 ui32; } cvt; union
{
float f;
Uint32 ui32;
} cvt;
len /= 4; len /= 4;
while (len--) { while (len--) {

17
src/audio/sdlgenaudiocvt.pl
View file

@ -23,9 +23,7 @@ my $custom_converters = 0;
sub outputHeader { sub outputHeader {
print <<EOF; print <<EOF;
/* DO NOT EDIT THIS FILE! It is generated code. */ /* DO NOT EDIT! This file is generated by sdlgenaudiocvt.pl */
/* Please modify SDL/src/audio/sdlgenaudiocvt.pl instead. */
/* /*
SDL - Simple DirectMedia Layer SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga Copyright (C) 1997-2006 Sam Lantinga
@ -52,7 +50,7 @@ sub outputHeader {
#include "SDL_audio.h" #include "SDL_audio.h"
#include "SDL_audio_c.h" #include "SDL_audio_c.h"
/* Now the generated code... */ /* *INDENT-OFF* */
EOF EOF
@ -66,6 +64,13 @@ EOF
print("\n"); print("\n");
} }
sub outputFooter {
print <<EOF;
/* *INDENT-ON* */
/* vi: set ts=4 sw=4 expandtab: */
EOF
}
sub splittype { sub splittype {
my $t = shift; my $t = shift;
@ -307,7 +312,9 @@ print <<EOF;
EOF EOF
outputFooter();
exit 0; exit 0;
# end of sdlaudiocvt.pl ... # end of sdlgenaudiocvt.pl ...

1
src/hermes/HeadX86.h
View file

@ -186,4 +186,5 @@ extern "C"
#endif #endif
/* vi: set ts=4 sw=4 expandtab: */ /* vi: set ts=4 sw=4 expandtab: */

9
src/video/SDL_blit_N.c
View file

@ -2285,8 +2285,7 @@ BlitNtoNKey(SDL_BlitInfo * info)
RETRIEVE_RGB_PIXEL(src, srcbpp, Pixel); RETRIEVE_RGB_PIXEL(src, srcbpp, Pixel);
if ( (Pixel & rgbmask) != ckey ) { if ( (Pixel & rgbmask) != ckey ) {
RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB);
ASSEMBLE_RGBA(dst, dstbpp, dstfmt, ASSEMBLE_RGBA(dst, dstbpp, dstfmt, sR, sG, sB, alpha);
sR, sG, sB, alpha);
} }
dst += dstbpp; dst += dstbpp;
src += srcbpp; src += srcbpp;
@ -2327,11 +2326,9 @@ BlitNtoNKeyCopyAlpha(SDL_BlitInfo * info)
/* *INDENT-OFF* */ /* *INDENT-OFF* */
DUFFS_LOOP( DUFFS_LOOP(
{ {
DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel, DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel, sR, sG, sB, sA);
sR, sG, sB, sA);
if ( (Pixel & rgbmask) != ckey ) { if ( (Pixel & rgbmask) != ckey ) {
ASSEMBLE_RGBA(dst, dstbpp, dstfmt, ASSEMBLE_RGBA(dst, dstbpp, dstfmt, sR, sG, sB, sA);
sR, sG, sB, sA);
} }
dst += dstbpp; dst += dstbpp;
src += srcbpp; src += srcbpp;

2
src/video/SDL_glfuncs.h
View file

@ -43,7 +43,7 @@ SDL_PROC_UNUSED(void, glColor4b, (GLbyte, GLbyte, GLbyte, GLbyte))
SDL_PROC_UNUSED(void, glColor4bv, (const GLbyte *)) SDL_PROC_UNUSED(void, glColor4bv, (const GLbyte *))
SDL_PROC_UNUSED(void, glColor4d, (GLdouble, GLdouble, GLdouble, GLdouble)) SDL_PROC_UNUSED(void, glColor4d, (GLdouble, GLdouble, GLdouble, GLdouble))
SDL_PROC_UNUSED(void, glColor4dv, (const GLdouble *)) SDL_PROC_UNUSED(void, glColor4dv, (const GLdouble *))
SDL_PROC_UNUSED(void, glColor4f, (GLfloat, GLfloat, GLfloat, GLfloat)) SDL_PROC(void, glColor4f, (GLfloat, GLfloat, GLfloat, GLfloat))
SDL_PROC_UNUSED(void, glColor4fv, (const GLfloat *)) SDL_PROC_UNUSED(void, glColor4fv, (const GLfloat *))
SDL_PROC_UNUSED(void, glColor4i, (GLint, GLint, GLint, GLint)) SDL_PROC_UNUSED(void, glColor4i, (GLint, GLint, GLint, GLint))
SDL_PROC_UNUSED(void, glColor4iv, (const GLint *)) SDL_PROC_UNUSED(void, glColor4iv, (const GLint *))

5215
src/video/SDL_rendercopy.c Normal file
View file

File diff suppressed because it is too large Load diff

147
src/video/SDL_rendercopy.h Normal file
View file

@ -0,0 +1,147 @@
/* DO NOT EDIT! This file is generated by sdlgenblit.pl */
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
/* *INDENT-OFF* */
#define SDL_RENDERCOPY_MODULATE_COLOR 0x0001
#define SDL_RENDERCOPY_MODULATE_ALPHA 0x0002
#define SDL_RENDERCOPY_BLEND 0x0010
#define SDL_RENDERCOPY_ADD 0x0020
#define SDL_RENDERCOPY_MOD 0x0040
#define SDL_RENDERCOPY_NEAREST 0x0100
typedef struct {
void *src;
int src_w, src_h;
int src_pitch;
void *dst;
int dst_w, dst_h;
int dst_pitch;
void *aux_data;
int flags;
Uint8 r, g, b, a;
} SDL_RenderCopyData;
typedef int (*SDL_RenderCopyFunc)(SDL_RenderCopyData *data);
extern SDL_RenderCopyFunc SDLCALL SDL_GetRenderCopyFunc(Uint32 src_format, Uint32 dst_format, int modMode, int blendMode, int scaleMode);
extern int SDLCALL SDL_RenderCopy_RGB888_RGB888_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGB888_RGB888_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGB888_RGB888_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGB888_RGB888_Modulate(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGB888_RGB888_Modulate_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGB888_RGB888_Modulate_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGB888_RGB888_Modulate_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGB888_BGR888(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGB888_BGR888_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGB888_BGR888_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGB888_BGR888_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGB888_BGR888_Modulate(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGB888_BGR888_Modulate_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGB888_BGR888_Modulate_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGB888_BGR888_Modulate_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGR888_RGB888(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGR888_RGB888_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGR888_RGB888_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGR888_RGB888_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGR888_RGB888_Modulate(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGR888_RGB888_Modulate_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGR888_RGB888_Modulate_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGR888_RGB888_Modulate_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGR888_BGR888_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGR888_BGR888_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGR888_BGR888_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGR888_BGR888_Modulate(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGR888_BGR888_Modulate_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGR888_BGR888_Modulate_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGR888_BGR888_Modulate_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ARGB8888_RGB888(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ARGB8888_RGB888_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ARGB8888_RGB888_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ARGB8888_RGB888_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ARGB8888_RGB888_Modulate(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ARGB8888_RGB888_Modulate_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ARGB8888_RGB888_Modulate_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ARGB8888_RGB888_Modulate_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ARGB8888_BGR888(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ARGB8888_BGR888_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ARGB8888_BGR888_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ARGB8888_BGR888_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ARGB8888_BGR888_Modulate(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ARGB8888_BGR888_Modulate_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ARGB8888_BGR888_Modulate_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ARGB8888_BGR888_Modulate_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGBA8888_RGB888(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGBA8888_RGB888_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGBA8888_RGB888_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGBA8888_RGB888_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGBA8888_RGB888_Modulate(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGBA8888_RGB888_Modulate_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGBA8888_RGB888_Modulate_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGBA8888_RGB888_Modulate_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGBA8888_BGR888(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGBA8888_BGR888_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGBA8888_BGR888_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGBA8888_BGR888_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGBA8888_BGR888_Modulate(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGBA8888_BGR888_Modulate_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGBA8888_BGR888_Modulate_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_RGBA8888_BGR888_Modulate_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ABGR8888_RGB888(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ABGR8888_RGB888_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ABGR8888_RGB888_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ABGR8888_RGB888_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ABGR8888_RGB888_Modulate(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ABGR8888_RGB888_Modulate_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ABGR8888_RGB888_Modulate_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ABGR8888_RGB888_Modulate_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ABGR8888_BGR888(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ABGR8888_BGR888_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ABGR8888_BGR888_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ABGR8888_BGR888_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ABGR8888_BGR888_Modulate(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ABGR8888_BGR888_Modulate_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ABGR8888_BGR888_Modulate_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_ABGR8888_BGR888_Modulate_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGRA8888_RGB888(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGRA8888_RGB888_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGRA8888_RGB888_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGRA8888_RGB888_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGRA8888_RGB888_Modulate(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGRA8888_RGB888_Modulate_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGRA8888_RGB888_Modulate_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGRA8888_RGB888_Modulate_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGRA8888_BGR888(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGRA8888_BGR888_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGRA8888_BGR888_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGRA8888_BGR888_Blend_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGRA8888_BGR888_Modulate(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGRA8888_BGR888_Modulate_Scale(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGRA8888_BGR888_Modulate_Blend(SDL_RenderCopyData *data);
extern int SDLCALL SDL_RenderCopy_BGRA8888_BGR888_Modulate_Blend_Scale(SDL_RenderCopyData *data);
/* *INDENT-ON* */
/* vi: set ts=4 sw=4 expandtab: */

111
src/video/SDL_renderer_gl.c
View file

@ -32,6 +32,8 @@
/* OpenGL renderer implementation */ /* OpenGL renderer implementation */
static const float inv255f = 1.0f / 255.0f;
static SDL_Renderer *GL_CreateRenderer(SDL_Window * window, Uint32 flags); static SDL_Renderer *GL_CreateRenderer(SDL_Window * window, Uint32 flags);
static int GL_ActivateRenderer(SDL_Renderer * renderer); static int GL_ActivateRenderer(SDL_Renderer * renderer);
static int GL_DisplayModeChanged(SDL_Renderer * renderer); static int GL_DisplayModeChanged(SDL_Renderer * renderer);
@ -43,20 +45,27 @@ static int GL_SetTexturePalette(SDL_Renderer * renderer,
static int GL_GetTexturePalette(SDL_Renderer * renderer, static int GL_GetTexturePalette(SDL_Renderer * renderer,
SDL_Texture * texture, SDL_Color * colors, SDL_Texture * texture, SDL_Color * colors,
int firstcolor, int ncolors); int firstcolor, int ncolors);
static int GL_SetTextureColorMod(SDL_Renderer * renderer,
SDL_Texture * texture);
static int GL_SetTextureAlphaMod(SDL_Renderer * renderer,
SDL_Texture * texture);
static int GL_SetTextureBlendMode(SDL_Renderer * renderer,
SDL_Texture * texture);
static int GL_SetTextureScaleMode(SDL_Renderer * renderer,
SDL_Texture * texture);
static int GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture, static int GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, const SDL_Rect * rect, const void *pixels,
int pitch); int pitch);
static int GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture, static int GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, int markDirty, const SDL_Rect * rect, int markDirty, void **pixels,
void **pixels, int *pitch); int *pitch);
static void GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture); static void GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static void GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, static void GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
int numrects, const SDL_Rect * rects); int numrects, const SDL_Rect * rects);
static int GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, static int GL_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b,
Uint32 color); Uint8 a, const SDL_Rect * rect);
static int GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, static int GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect, const SDL_Rect * srcrect, const SDL_Rect * dstrect);
int blendMode, int scaleMode);
static void GL_RenderPresent(SDL_Renderer * renderer); static void GL_RenderPresent(SDL_Renderer * renderer);
static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture); static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static void GL_DestroyRenderer(SDL_Renderer * renderer); static void GL_DestroyRenderer(SDL_Renderer * renderer);
@ -68,6 +77,8 @@ SDL_RenderDriver GL_RenderDriver = {
"opengl", "opengl",
(SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTDISCARD | (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTDISCARD |
SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_ACCELERATED), SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_ACCELERATED),
(SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR |
SDL_TEXTUREMODULATE_ALPHA),
(SDL_TEXTUREBLENDMODE_NONE | SDL_TEXTUREBLENDMODE_MASK | (SDL_TEXTUREBLENDMODE_NONE | SDL_TEXTUREBLENDMODE_MASK |
SDL_TEXTUREBLENDMODE_BLEND | SDL_TEXTUREBLENDMODE_ADD | SDL_TEXTUREBLENDMODE_BLEND | SDL_TEXTUREBLENDMODE_ADD |
SDL_TEXTUREBLENDMODE_MOD), SDL_TEXTUREBLENDMODE_MOD),
@ -236,6 +247,10 @@ GL_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->CreateTexture = GL_CreateTexture; renderer->CreateTexture = GL_CreateTexture;
renderer->SetTexturePalette = GL_SetTexturePalette; renderer->SetTexturePalette = GL_SetTexturePalette;
renderer->GetTexturePalette = GL_GetTexturePalette; renderer->GetTexturePalette = GL_GetTexturePalette;
renderer->SetTextureColorMod = GL_SetTextureColorMod;
renderer->SetTextureAlphaMod = GL_SetTextureAlphaMod;
renderer->SetTextureBlendMode = GL_SetTextureBlendMode;
renderer->SetTextureScaleMode = GL_SetTextureScaleMode;
renderer->UpdateTexture = GL_UpdateTexture; renderer->UpdateTexture = GL_UpdateTexture;
renderer->LockTexture = GL_LockTexture; renderer->LockTexture = GL_LockTexture;
renderer->UnlockTexture = GL_UnlockTexture; renderer->UnlockTexture = GL_UnlockTexture;
@ -569,6 +584,54 @@ SetupTextureUpdate(GL_RenderData * renderdata, SDL_Texture * texture,
pitch / SDL_BYTESPERPIXEL(texture->format)); pitch / SDL_BYTESPERPIXEL(texture->format));
} }
static int
GL_SetTextureColorMod(SDL_Renderer * renderer, SDL_Texture * texture)
{
return -1;
}
static int
GL_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
{
return -1;
}
static int
GL_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
{
switch (texture->blendMode) {
case SDL_TEXTUREBLENDMODE_NONE:
case SDL_TEXTUREBLENDMODE_MASK:
case SDL_TEXTUREBLENDMODE_BLEND:
case SDL_TEXTUREBLENDMODE_ADD:
case SDL_TEXTUREBLENDMODE_MOD:
return 0;
default:
SDL_Unsupported();
texture->blendMode = SDL_TEXTUREBLENDMODE_NONE;
return -1;
}
}
static int
GL_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
{
switch (texture->scaleMode) {
case SDL_TEXTURESCALEMODE_NONE:
case SDL_TEXTURESCALEMODE_FAST:
case SDL_TEXTURESCALEMODE_SLOW:
return 0;
case SDL_TEXTURESCALEMODE_BEST:
SDL_Unsupported();
texture->scaleMode = SDL_TEXTURESCALEMODE_SLOW;
return -1;
default:
SDL_Unsupported();
texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
return -1;
}
}
static int static int
GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture, GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch) const SDL_Rect * rect, const void *pixels, int pitch)
@ -636,18 +699,14 @@ GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
} }
static int static int
GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, Uint32 color) GL_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
const SDL_Rect * rect)
{ {
GL_RenderData *data = (GL_RenderData *) renderer->driverdata; GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
SDL_Window *window = SDL_GetWindowFromID(renderer->window); SDL_Window *window = SDL_GetWindowFromID(renderer->window);
GLclampf r, g, b, a;
a = ((GLclampf) ((color >> 24) & 0xFF)) / 255.0f; data->glClearColor((GLclampf) r * inv255f, (GLclampf) g * inv255f,
r = ((GLclampf) ((color >> 16) & 0xFF)) / 255.0f; (GLclampf) b * inv255f, (GLclampf) a * inv255f);
g = ((GLclampf) ((color >> 8) & 0xFF)) / 255.0f;
b = ((GLclampf) (color & 0xFF)) / 255.0f;
data->glClearColor(r, g, b, a);
data->glViewport(rect->x, window->h - rect->y, rect->w, rect->h); data->glViewport(rect->x, window->h - rect->y, rect->w, rect->h);
data->glClear(GL_COLOR_BUFFER_BIT); data->glClear(GL_COLOR_BUFFER_BIT);
data->glViewport(0, 0, window->w, window->h); data->glViewport(0, 0, window->w, window->h);
@ -656,8 +715,7 @@ GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, Uint32 color)
static int static int
GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect, const SDL_Rect * srcrect, const SDL_Rect * dstrect)
int blendMode, int scaleMode)
{ {
GL_RenderData *data = (GL_RenderData *) renderer->driverdata; GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
GL_TextureData *texturedata = (GL_TextureData *) texture->driverdata; GL_TextureData *texturedata = (GL_TextureData *) texture->driverdata;
@ -700,8 +758,17 @@ GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
data->glBindTexture(texturedata->type, texturedata->texture); data->glBindTexture(texturedata->type, texturedata->texture);
if (blendMode != data->blendMode) { if (texture->modMode) {
switch (blendMode) { data->glColor4f((GLfloat) texture->r * inv255f,
(GLfloat) texture->g * inv255f,
(GLfloat) texture->b * inv255f,
(GLfloat) texture->a * inv255f);
} else {
data->glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
}
if (texture->blendMode != data->blendMode) {
switch (texture->blendMode) {
case SDL_TEXTUREBLENDMODE_NONE: case SDL_TEXTUREBLENDMODE_NONE:
data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
data->glDisable(GL_BLEND); data->glDisable(GL_BLEND);
@ -723,11 +790,11 @@ GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
data->glBlendFunc(GL_ZERO, GL_SRC_COLOR); data->glBlendFunc(GL_ZERO, GL_SRC_COLOR);
break; break;
} }
data->blendMode = blendMode; data->blendMode = texture->blendMode;
} }
if (scaleMode != data->scaleMode) { if (texture->scaleMode != data->scaleMode) {
switch (scaleMode) { switch (texture->scaleMode) {
case SDL_TEXTURESCALEMODE_NONE: case SDL_TEXTURESCALEMODE_NONE:
case SDL_TEXTURESCALEMODE_FAST: case SDL_TEXTURESCALEMODE_FAST:
data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER, data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
@ -743,7 +810,7 @@ GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
GL_LINEAR); GL_LINEAR);
break; break;
} }
data->scaleMode = scaleMode; data->scaleMode = texture->scaleMode;
} }
data->glBegin(GL_TRIANGLE_STRIP); data->glBegin(GL_TRIANGLE_STRIP);

175
src/video/SDL_renderer_sw.c
View file

@ -26,6 +26,7 @@
#include "SDL_pixels_c.h" #include "SDL_pixels_c.h"
#include "SDL_rect_c.h" #include "SDL_rect_c.h"
#include "SDL_yuv_sw_c.h" #include "SDL_yuv_sw_c.h"
#include "SDL_rendercopy.h"
/* SDL surface based renderer implementation */ /* SDL surface based renderer implementation */
@ -44,22 +45,28 @@ static int SW_SetTexturePalette(SDL_Renderer * renderer,
static int SW_GetTexturePalette(SDL_Renderer * renderer, static int SW_GetTexturePalette(SDL_Renderer * renderer,
SDL_Texture * texture, SDL_Color * colors, SDL_Texture * texture, SDL_Color * colors,
int firstcolor, int ncolors); int firstcolor, int ncolors);
static int SW_UpdateTexture(SDL_Renderer * renderer, static int SW_SetTextureColorMod(SDL_Renderer * renderer,
SDL_Texture * texture, const SDL_Rect * rect, SDL_Texture * texture);
const void *pixels, int pitch); static int SW_SetTextureAlphaMod(SDL_Renderer * renderer,
SDL_Texture * texture);
static int SW_SetTextureBlendMode(SDL_Renderer * renderer,
SDL_Texture * texture);
static int SW_SetTextureScaleMode(SDL_Renderer * renderer,
SDL_Texture * texture);
static int SW_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels,
int pitch);
static int SW_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture, static int SW_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, int markDirty, const SDL_Rect * rect, int markDirty, void **pixels,
void **pixels, int *pitch); int *pitch);
static void SW_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture); static void SW_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static void SW_DirtyTexture(SDL_Renderer * renderer, static void SW_DirtyTexture(SDL_Renderer * renderer,
SDL_Texture * texture, int numrects, SDL_Texture * texture, int numrects,
const SDL_Rect * rects); const SDL_Rect * rects);
static int SW_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, static int SW_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b,
Uint32 color); Uint8 a, const SDL_Rect * rect);
static int SW_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, static int SW_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * srcrect, const SDL_Rect * dstrect);
const SDL_Rect * dstrect, int blendMode,
int scaleMode);
static void SW_RenderPresent(SDL_Renderer * renderer); static void SW_RenderPresent(SDL_Renderer * renderer);
static void SW_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture); static void SW_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static void SW_DestroyRenderer(SDL_Renderer * renderer); static void SW_DestroyRenderer(SDL_Renderer * renderer);
@ -72,8 +79,11 @@ SDL_RenderDriver SW_RenderDriver = {
(SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY | (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY |
SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 | SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 |
SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_PRESENTVSYNC), SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_PRESENTVSYNC),
(SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR |
SDL_TEXTUREMODULATE_ALPHA),
(SDL_TEXTUREBLENDMODE_NONE | SDL_TEXTUREBLENDMODE_MASK | (SDL_TEXTUREBLENDMODE_NONE | SDL_TEXTUREBLENDMODE_MASK |
SDL_TEXTUREBLENDMODE_BLEND), SDL_TEXTUREBLENDMODE_BLEND | SDL_TEXTUREBLENDMODE_ADD |
SDL_TEXTUREBLENDMODE_MOD),
(SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST), (SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST),
11, 11,
{ {
@ -188,6 +198,10 @@ SW_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->QueryTexturePixels = SW_QueryTexturePixels; renderer->QueryTexturePixels = SW_QueryTexturePixels;
renderer->SetTexturePalette = SW_SetTexturePalette; renderer->SetTexturePalette = SW_SetTexturePalette;
renderer->GetTexturePalette = SW_GetTexturePalette; renderer->GetTexturePalette = SW_GetTexturePalette;
renderer->SetTextureColorMod = SW_SetTextureColorMod;
renderer->SetTextureAlphaMod = SW_SetTextureAlphaMod;
renderer->SetTextureBlendMode = SW_SetTextureBlendMode;
renderer->SetTextureScaleMode = SW_SetTextureScaleMode;
renderer->UpdateTexture = SW_UpdateTexture; renderer->UpdateTexture = SW_UpdateTexture;
renderer->LockTexture = SW_LockTexture; renderer->LockTexture = SW_LockTexture;
renderer->UnlockTexture = SW_UnlockTexture; renderer->UnlockTexture = SW_UnlockTexture;
@ -333,6 +347,7 @@ SW_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) { if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
texture->driverdata = SDL_SW_CreateYUVTexture(texture); texture->driverdata = SDL_SW_CreateYUVTexture(texture);
} else { } else {
SDL_Surface *surface;
int bpp; int bpp;
Uint32 Rmask, Gmask, Bmask, Amask; Uint32 Rmask, Gmask, Bmask, Amask;
@ -400,6 +415,72 @@ SW_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
} }
} }
static void
SW_UpdateRenderCopyFunc(SDL_Renderer * renderer, SDL_Texture * texture)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
surface->userdata =
SDL_GetRenderCopyFunc(texture->format, data->format, texture->modMode,
texture->blendMode, texture->scaleMode);
}
static int
SW_SetTextureColorMod(SDL_Renderer * renderer, SDL_Texture * texture)
{
SW_UpdateRenderCopyFunc(renderer, texture);
return 0;
}
static int
SW_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
{
SW_UpdateRenderCopyFunc(renderer, texture);
return 0;
}
static int
SW_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
{
switch (texture->blendMode) {
case SDL_TEXTUREBLENDMODE_NONE:
case SDL_TEXTUREBLENDMODE_MASK:
case SDL_TEXTUREBLENDMODE_BLEND:
case SDL_TEXTUREBLENDMODE_ADD:
case SDL_TEXTUREBLENDMODE_MOD:
SW_UpdateRenderCopyFunc(renderer, texture);
return 0;
default:
SDL_Unsupported();
texture->blendMode = SDL_TEXTUREBLENDMODE_NONE;
SW_UpdateRenderCopyFunc(renderer, texture);
return -1;
}
}
static int
SW_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
{
switch (texture->scaleMode) {
case SDL_TEXTURESCALEMODE_NONE:
case SDL_TEXTURESCALEMODE_FAST:
SW_UpdateRenderCopyFunc(renderer, texture);
return 0;
case SDL_TEXTURESCALEMODE_SLOW:
case SDL_TEXTURESCALEMODE_BEST:
SDL_Unsupported();
texture->scaleMode = SDL_TEXTURESCALEMODE_FAST;
SW_UpdateRenderCopyFunc(renderer, texture);
return -1;
default:
SDL_Unsupported();
texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
SW_UpdateRenderCopyFunc(renderer, texture);
return -1;
}
}
static int static int
SW_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture, SW_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch) const SDL_Rect * rect, const void *pixels, int pitch)
@ -462,10 +543,11 @@ SW_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
} }
static int static int
SW_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, Uint32 color) SW_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
const SDL_Rect * rect)
{ {
SW_RenderData *data = (SW_RenderData *) renderer->driverdata; SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
Uint8 r, g, b, a; Uint32 color;
SDL_Rect real_rect; SDL_Rect real_rect;
int status; int status;
@ -473,10 +555,6 @@ SW_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, Uint32 color)
SDL_AddDirtyRect(&data->dirty, rect); SDL_AddDirtyRect(&data->dirty, rect);
} }
a = (Uint8) ((color >> 24) & 0xFF);
r = (Uint8) ((color >> 16) & 0xFF);
g = (Uint8) ((color >> 8) & 0xFF);
b = (Uint8) (color & 0xFF);
color = SDL_MapRGBA(data->surface.format, r, g, b, a); color = SDL_MapRGBA(data->surface.format, r, g, b, a);
if (data->renderer-> if (data->renderer->
@ -500,8 +578,7 @@ SW_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, Uint32 color)
static int static int
SW_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, SW_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect, const SDL_Rect * srcrect, const SDL_Rect * dstrect)
int blendMode, int scaleMode)
{ {
SW_RenderData *data = (SW_RenderData *) renderer->driverdata; SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
SDL_Window *window = SDL_GetWindowFromID(renderer->window); SDL_Window *window = SDL_GetWindowFromID(renderer->window);
@ -525,6 +602,46 @@ SW_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
data->surface.pixels, data->surface.pitch); data->surface.pixels, data->surface.pitch);
} else { } else {
SDL_Surface *surface = (SDL_Surface *) texture->driverdata; SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
SDL_RenderCopyFunc copyfunc = (SDL_RenderCopyFunc) surface->userdata;
if (copyfunc) {
SDL_RenderCopyData copydata;
copydata.src =
(Uint8 *) surface->pixels + srcrect->y * surface->pitch +
srcrect->x * surface->format->BytesPerPixel;
copydata.src_w = srcrect->w;
copydata.src_h = srcrect->h;
copydata.src_pitch = surface->pitch;
copydata.dst = (Uint8 *) data->surface.pixels;
copydata.dst_w = dstrect->w;
copydata.dst_h = dstrect->h;
copydata.dst_pitch = data->surface.pitch;
copydata.flags = 0;
if (texture->modMode & SDL_TEXTUREMODULATE_COLOR) {
copydata.flags |= SDL_RENDERCOPY_MODULATE_COLOR;
copydata.r = texture->r;
copydata.g = texture->g;
copydata.b = texture->b;
}
if (texture->modMode & SDL_TEXTUREMODULATE_ALPHA) {
copydata.flags |= SDL_RENDERCOPY_MODULATE_ALPHA;
copydata.a = texture->a;
}
if (texture->
blendMode & (SDL_TEXTUREBLENDMODE_MASK |
SDL_TEXTUREBLENDMODE_BLEND)) {
copydata.flags |= SDL_RENDERCOPY_BLEND;
} else if (texture->blendMode & SDL_TEXTUREBLENDMODE_ADD) {
copydata.flags |= SDL_RENDERCOPY_ADD;
} else if (texture->blendMode & SDL_TEXTUREBLENDMODE_MOD) {
copydata.flags |= SDL_RENDERCOPY_MOD;
}
if (texture->scaleMode) {
copydata.flags |= SDL_RENDERCOPY_NEAREST;
}
status = copyfunc(&copydata);
} else {
SDL_Rect real_srcrect = *srcrect; SDL_Rect real_srcrect = *srcrect;
SDL_Rect real_dstrect; SDL_Rect real_dstrect;
@ -534,18 +651,6 @@ SW_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
data->surface.clip_rect.h = dstrect->h; data->surface.clip_rect.h = dstrect->h;
real_dstrect = data->surface.clip_rect; real_dstrect = data->surface.clip_rect;
if (blendMode &
(SDL_TEXTUREBLENDMODE_MASK | SDL_TEXTUREBLENDMODE_BLEND)) {
SDL_SetAlpha(surface, SDL_SRCALPHA, 0);
} else {
SDL_SetAlpha(surface, 0, 0);
}
if (scaleMode != SDL_TEXTURESCALEMODE_NONE &&
(srcrect->w != dstrect->w || srcrect->h != dstrect->h)) {
status =
SDL_SoftStretch(surface, &real_srcrect, &data->surface,
&real_dstrect);
} else {
status = status =
SDL_LowerBlit(surface, &real_srcrect, &data->surface, SDL_LowerBlit(surface, &real_srcrect, &data->surface,
&real_dstrect); &real_dstrect);
@ -567,9 +672,7 @@ SW_RenderPresent(SDL_Renderer * renderer)
SDL_DirtyRect *dirty; SDL_DirtyRect *dirty;
for (dirty = data->dirty.list; dirty; dirty = dirty->next) { for (dirty = data->dirty.list; dirty; dirty = dirty->next) {
data->renderer->RenderCopy(data->renderer, texture, &dirty->rect, data->renderer->RenderCopy(data->renderer, texture, &dirty->rect,
&dirty->rect, &dirty->rect);
SDL_TEXTUREBLENDMODE_NONE,
SDL_TEXTURESCALEMODE_NONE);
} }
SDL_ClearDirtyRects(&data->dirty); SDL_ClearDirtyRects(&data->dirty);
} else { } else {
@ -578,9 +681,7 @@ SW_RenderPresent(SDL_Renderer * renderer)
rect.y = 0; rect.y = 0;
rect.w = texture->w; rect.w = texture->w;
rect.h = texture->h; rect.h = texture->h;
data->renderer->RenderCopy(data->renderer, texture, &rect, &rect, data->renderer->RenderCopy(data->renderer, texture, &rect, &rect);
SDL_TEXTUREBLENDMODE_NONE,
SDL_TEXTURESCALEMODE_NONE);
} }
data->renderer->RenderPresent(data->renderer); data->renderer->RenderPresent(data->renderer);

17
src/video/SDL_stretch.c
View file

@ -139,12 +139,15 @@ void name(type *src, int src_w, type *dst, int dst_w) \
pos += inc; \ pos += inc; \
} \ } \
} }
/* *INDENT-OFF* */
DEFINE_COPY_ROW(copy_row1, Uint8) DEFINE_COPY_ROW(copy_row1, Uint8)
DEFINE_COPY_ROW(copy_row2, Uint16) DEFINE_COPY_ROW(copy_row4, Uint32) DEFINE_COPY_ROW(copy_row2, Uint16)
DEFINE_COPY_ROW(copy_row4, Uint32)
/* *INDENT-ON* */
#endif /* USE_ASM_STRETCH */ #endif /* USE_ASM_STRETCH */
/* The ASM code doesn't handle 24-bpp stretch blits */ /* The ASM code doesn't handle 24-bpp stretch blits */
void void
copy_row3(Uint8 * src, int src_w, Uint8 * dst, int dst_w) copy_row3(Uint8 * src, int src_w, Uint8 * dst, int dst_w)
{ {
int i; int i;
int pos, inc; int pos, inc;
@ -278,14 +281,20 @@ SDL_SoftStretch(SDL_Surface * src, SDL_Rect * srcrect,
#ifdef __GNUC__ #ifdef __GNUC__
__asm__ __volatile__("call *%4": "=&D"(u1), "=&S"(u2): "0"(dstp), "1"(srcp), "r"(copy_row):"memory"); __asm__ __volatile__("call *%4": "=&D"(u1), "=&S"(u2): "0"(dstp), "1"(srcp), "r"(copy_row):"memory");
#elif defined(_MSC_VER) || defined(__WATCOMC__) #elif defined(_MSC_VER) || defined(__WATCOMC__)
/* *INDENT-OFF* */
{ {
void *code = copy_row; void *code = copy_row;
__asm { __asm {
push edi push edi
push esi push esi
mov edi, dstp mov edi, dstp
mov esi, srcp call dword ptr code pop esi pop edi} mov esi, srcp
call dword ptr code
pop esi
pop edi
} }
}
/* *INDENT-ON* */
#else #else
#error Need inline assembly for this compiler #error Need inline assembly for this compiler
#endif #endif

19
src/video/SDL_sysvideo.h
View file

@ -44,6 +44,10 @@ struct SDL_Texture
int access; /**< SDL_TextureAccess */ int access; /**< SDL_TextureAccess */
int w; /**< The width of the texture */ int w; /**< The width of the texture */
int h; /**< The height of the texture */ int h; /**< The height of the texture */
int modMode; /**< The texture modulation mode */
int blendMode; /**< The texture blend mode */
int scaleMode; /**< The texture scale mode */
Uint8 r, g, b, a; /**< Texture modulation values */
SDL_Renderer *renderer; SDL_Renderer *renderer;
@ -66,6 +70,14 @@ struct SDL_Renderer
int (*GetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture, int (*GetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,
SDL_Color * colors, int firstcolor, SDL_Color * colors, int firstcolor,
int ncolors); int ncolors);
int (*SetTextureColorMod) (SDL_Renderer * renderer,
SDL_Texture * texture);
int (*SetTextureAlphaMod) (SDL_Renderer * renderer,
SDL_Texture * texture);
int (*SetTextureBlendMode) (SDL_Renderer * renderer,
SDL_Texture * texture);
int (*SetTextureScaleMode) (SDL_Renderer * renderer,
SDL_Texture * texture);
int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture, int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, const SDL_Rect * rect, const void *pixels,
int pitch); int pitch);
@ -75,11 +87,10 @@ struct SDL_Renderer
void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture); void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
void (*DirtyTexture) (SDL_Renderer * renderer, SDL_Texture * texture, void (*DirtyTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
int numrects, const SDL_Rect * rects); int numrects, const SDL_Rect * rects);
int (*RenderFill) (SDL_Renderer * renderer, const SDL_Rect * rect, int (*RenderFill) (SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b,
Uint32 color); Uint8 a, const SDL_Rect * rect);
int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture, int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect, const SDL_Rect * srcrect, const SDL_Rect * dstrect);
int blendMode, int scaleMode);
void (*RenderPresent) (SDL_Renderer * renderer); void (*RenderPresent) (SDL_Renderer * renderer);
void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture); void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture);

168
src/video/SDL_video.c
View file

@ -1510,6 +1510,10 @@ SDL_CreateTexture(Uint32 format, int access, int w, int h)
texture->access = access; texture->access = access;
texture->w = w; texture->w = w;
texture->h = h; texture->h = h;
texture->r = 255;
texture->g = 255;
texture->b = 255;
texture->a = 255;
texture->renderer = renderer; texture->renderer = renderer;
if (renderer->CreateTexture(renderer, texture) < 0) { if (renderer->CreateTexture(renderer, texture) < 0) {
@ -1771,6 +1775,162 @@ SDL_GetTexturePalette(SDL_TextureID textureID, SDL_Color * colors,
ncolors); ncolors);
} }
int
SDL_SetTextureColorMod(SDL_TextureID textureID, Uint8 r, Uint8 g, Uint8 b)
{
SDL_Texture *texture = SDL_GetTextureFromID(textureID);
SDL_Renderer *renderer;
if (!texture) {
return -1;
}
renderer = texture->renderer;
if (!renderer->SetTextureColorMod) {
return -1;
}
if (r < 255 | g < 255 | b < 255) {
texture->modMode |= SDL_TEXTUREMODULATE_COLOR;
} else {
texture->modMode &= ~SDL_TEXTUREMODULATE_COLOR;
}
texture->r = r;
texture->g = g;
texture->b = b;
return renderer->SetTextureColorMod(renderer, texture);
}
int
SDL_GetTextureColorMod(SDL_TextureID textureID, Uint8 * r, Uint8 * g,
Uint8 * b)
{
SDL_Texture *texture = SDL_GetTextureFromID(textureID);
SDL_Renderer *renderer;
if (!texture) {
return -1;
}
renderer = texture->renderer;
if (r) {
*r = texture->r;
}
if (g) {
*g = texture->g;
}
if (b) {
*b = texture->b;
}
return 0;
}
int
SDL_SetTextureAlphaMod(SDL_TextureID textureID, Uint8 alpha)
{
SDL_Texture *texture = SDL_GetTextureFromID(textureID);
SDL_Renderer *renderer;
if (!texture) {
return -1;
}
renderer = texture->renderer;
if (!renderer->SetTextureAlphaMod) {
return -1;
}
if (alpha < 255) {
texture->modMode |= SDL_TEXTUREMODULATE_ALPHA;
} else {
texture->modMode &= ~SDL_TEXTUREMODULATE_ALPHA;
}
texture->a = alpha;
return renderer->SetTextureAlphaMod(renderer, texture);
}
int
SDL_GetTextureAlphaMod(SDL_TextureID textureID, Uint8 * alpha)
{
SDL_Texture *texture = SDL_GetTextureFromID(textureID);
SDL_Renderer *renderer;
if (!texture) {
return -1;
}
if (alpha) {
*alpha = texture->a;
}
return 0;
}
int
SDL_SetTextureBlendMode(SDL_TextureID textureID, int blendMode)
{
SDL_Texture *texture = SDL_GetTextureFromID(textureID);
SDL_Renderer *renderer;
if (!texture) {
return -1;
}
renderer = texture->renderer;
if (!renderer->SetTextureBlendMode) {
return -1;
}
texture->blendMode = blendMode;
return renderer->SetTextureBlendMode(renderer, texture);
}
int
SDL_GetTextureBlendMode(SDL_TextureID textureID, int *blendMode)
{
SDL_Texture *texture = SDL_GetTextureFromID(textureID);
SDL_Renderer *renderer;
if (!texture) {
return -1;
}
if (blendMode) {
*blendMode = texture->blendMode;
}
return 0;
}
int
SDL_SetTextureScaleMode(SDL_TextureID textureID, int scaleMode)
{
SDL_Texture *texture = SDL_GetTextureFromID(textureID);
SDL_Renderer *renderer;
if (!texture) {
return -1;
}
renderer = texture->renderer;
if (!renderer->SetTextureScaleMode) {
return -1;
}
texture->scaleMode = scaleMode;
return renderer->SetTextureScaleMode(renderer, texture);
}
int
SDL_GetTextureScaleMode(SDL_TextureID textureID, int *scaleMode)
{
SDL_Texture *texture = SDL_GetTextureFromID(textureID);
SDL_Renderer *renderer;
if (!texture) {
return -1;
}
if (scaleMode) {
*scaleMode = texture->scaleMode;
}
return 0;
}
int int
SDL_UpdateTexture(SDL_TextureID textureID, const SDL_Rect * rect, SDL_UpdateTexture(SDL_TextureID textureID, const SDL_Rect * rect,
const void *pixels, int pitch) const void *pixels, int pitch)
@ -1864,7 +2024,7 @@ SDL_DirtyTexture(SDL_TextureID textureID, int numrects,
} }
int int
SDL_RenderFill(const SDL_Rect * rect, Uint32 color) SDL_RenderFill(Uint8 r, Uint8 g, Uint8 b, Uint8 a, const SDL_Rect * rect)
{ {
SDL_Renderer *renderer; SDL_Renderer *renderer;
SDL_Window *window; SDL_Window *window;
@ -1891,12 +2051,12 @@ SDL_RenderFill(const SDL_Rect * rect, Uint32 color)
} }
} }
return renderer->RenderFill(renderer, &real_rect, color); return renderer->RenderFill(renderer, r, g, b, a, &real_rect);
} }
int int
SDL_RenderCopy(SDL_TextureID textureID, const SDL_Rect * srcrect, SDL_RenderCopy(SDL_TextureID textureID, const SDL_Rect * srcrect,
const SDL_Rect * dstrect, int blendMode, int scaleMode) const SDL_Rect * dstrect)
{ {
SDL_Texture *texture = SDL_GetTextureFromID(textureID); SDL_Texture *texture = SDL_GetTextureFromID(textureID);
SDL_Renderer *renderer; SDL_Renderer *renderer;
@ -1932,7 +2092,7 @@ SDL_RenderCopy(SDL_TextureID textureID, const SDL_Rect * srcrect,
} }
return renderer->RenderCopy(renderer, texture, &real_srcrect, return renderer->RenderCopy(renderer, texture, &real_srcrect,
&real_dstrect, blendMode, scaleMode); &real_dstrect);
} }
void void

159
src/video/dummy/SDL_nullrender.c
View file

@ -24,6 +24,7 @@
#include "SDL_video.h" #include "SDL_video.h"
#include "../SDL_sysvideo.h" #include "../SDL_sysvideo.h"
#include "../SDL_yuv_sw_c.h" #include "../SDL_yuv_sw_c.h"
#include "../SDL_rendercopy.h"
/* SDL surface based renderer implementation */ /* SDL surface based renderer implementation */
@ -43,6 +44,14 @@ static int SDL_DUMMY_GetTexturePalette(SDL_Renderer * renderer,
SDL_Texture * texture, SDL_Texture * texture,
SDL_Color * colors, int firstcolor, SDL_Color * colors, int firstcolor,
int ncolors); int ncolors);
static int SDL_DUMMY_SetTextureColorMod(SDL_Renderer * renderer,
SDL_Texture * texture);
static int SDL_DUMMY_SetTextureAlphaMod(SDL_Renderer * renderer,
SDL_Texture * texture);
static int SDL_DUMMY_SetTextureBlendMode(SDL_Renderer * renderer,
SDL_Texture * texture);
static int SDL_DUMMY_SetTextureScaleMode(SDL_Renderer * renderer,
SDL_Texture * texture);
static int SDL_DUMMY_UpdateTexture(SDL_Renderer * renderer, static int SDL_DUMMY_UpdateTexture(SDL_Renderer * renderer,
SDL_Texture * texture, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, const SDL_Rect * rect, const void *pixels,
@ -57,13 +66,12 @@ static void SDL_DUMMY_DirtyTexture(SDL_Renderer * renderer,
const SDL_Rect * rects); const SDL_Rect * rects);
static void SDL_DUMMY_SelectRenderTexture(SDL_Renderer * renderer, static void SDL_DUMMY_SelectRenderTexture(SDL_Renderer * renderer,
SDL_Texture * texture); SDL_Texture * texture);
static int SDL_DUMMY_RenderFill(SDL_Renderer * renderer, static int SDL_DUMMY_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g,
const SDL_Rect * rect, Uint32 color); Uint8 b, Uint8 a, const SDL_Rect * rect);
static int SDL_DUMMY_RenderCopy(SDL_Renderer * renderer, static int SDL_DUMMY_RenderCopy(SDL_Renderer * renderer,
SDL_Texture * texture, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * srcrect,
const SDL_Rect * dstrect, int blendMode, const SDL_Rect * dstrect);
int scaleMode);
static int SDL_DUMMY_RenderReadPixels(SDL_Renderer * renderer, static int SDL_DUMMY_RenderReadPixels(SDL_Renderer * renderer,
const SDL_Rect * rect, void *pixels, const SDL_Rect * rect, void *pixels,
int pitch); int pitch);
@ -83,8 +91,11 @@ SDL_RenderDriver SDL_DUMMY_RenderDriver = {
(SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY | (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY |
SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 | SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 |
SDL_RENDERER_PRESENTDISCARD), SDL_RENDERER_PRESENTDISCARD),
(SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR |
SDL_TEXTUREMODULATE_ALPHA),
(SDL_TEXTUREBLENDMODE_NONE | SDL_TEXTUREBLENDMODE_MASK | (SDL_TEXTUREBLENDMODE_NONE | SDL_TEXTUREBLENDMODE_MASK |
SDL_TEXTUREBLENDMODE_BLEND), SDL_TEXTUREBLENDMODE_BLEND | SDL_TEXTUREBLENDMODE_ADD |
SDL_TEXTUREBLENDMODE_MOD),
(SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST), (SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST),
11, 11,
{ {
@ -144,6 +155,10 @@ SDL_DUMMY_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->QueryTexturePixels = SDL_DUMMY_QueryTexturePixels; renderer->QueryTexturePixels = SDL_DUMMY_QueryTexturePixels;
renderer->SetTexturePalette = SDL_DUMMY_SetTexturePalette; renderer->SetTexturePalette = SDL_DUMMY_SetTexturePalette;
renderer->GetTexturePalette = SDL_DUMMY_GetTexturePalette; renderer->GetTexturePalette = SDL_DUMMY_GetTexturePalette;
renderer->SetTextureColorMod = SDL_DUMMY_SetTextureColorMod;
renderer->SetTextureAlphaMod = SDL_DUMMY_SetTextureAlphaMod;
renderer->SetTextureBlendMode = SDL_DUMMY_SetTextureBlendMode;
renderer->SetTextureScaleMode = SDL_DUMMY_SetTextureScaleMode;
renderer->UpdateTexture = SDL_DUMMY_UpdateTexture; renderer->UpdateTexture = SDL_DUMMY_UpdateTexture;
renderer->LockTexture = SDL_DUMMY_LockTexture; renderer->LockTexture = SDL_DUMMY_LockTexture;
renderer->UnlockTexture = SDL_DUMMY_UnlockTexture; renderer->UnlockTexture = SDL_DUMMY_UnlockTexture;
@ -258,6 +273,74 @@ SDL_DUMMY_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
} }
} }
static void
SDL_DUMMY_UpdateRenderCopyFunc(SDL_Renderer * renderer, SDL_Texture * texture)
{
SDL_Window *window = SDL_GetWindowFromID(renderer->window);
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
surface->userdata =
SDL_GetRenderCopyFunc(texture->format, display->current_mode.format,
texture->modMode, texture->blendMode,
texture->scaleMode);
}
static int
SDL_DUMMY_SetTextureColorMod(SDL_Renderer * renderer, SDL_Texture * texture)
{
SDL_DUMMY_UpdateRenderCopyFunc(renderer, texture);
return 0;
}
static int
SDL_DUMMY_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
{
SDL_DUMMY_UpdateRenderCopyFunc(renderer, texture);
return 0;
}
static int
SDL_DUMMY_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
{
switch (texture->blendMode) {
case SDL_TEXTUREBLENDMODE_NONE:
case SDL_TEXTUREBLENDMODE_MASK:
case SDL_TEXTUREBLENDMODE_BLEND:
case SDL_TEXTUREBLENDMODE_ADD:
case SDL_TEXTUREBLENDMODE_MOD:
SDL_DUMMY_UpdateRenderCopyFunc(renderer, texture);
return 0;
default:
SDL_Unsupported();
texture->blendMode = SDL_TEXTUREBLENDMODE_NONE;
SDL_DUMMY_UpdateRenderCopyFunc(renderer, texture);
return -1;
}
}
static int
SDL_DUMMY_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
{
switch (texture->scaleMode) {
case SDL_TEXTURESCALEMODE_NONE:
case SDL_TEXTURESCALEMODE_FAST:
SDL_DUMMY_UpdateRenderCopyFunc(renderer, texture);
return 0;
case SDL_TEXTURESCALEMODE_SLOW:
case SDL_TEXTURESCALEMODE_BEST:
SDL_Unsupported();
texture->scaleMode = SDL_TEXTURESCALEMODE_FAST;
SDL_DUMMY_UpdateRenderCopyFunc(renderer, texture);
return -1;
default:
SDL_Unsupported();
texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
SDL_DUMMY_UpdateRenderCopyFunc(renderer, texture);
return -1;
}
}
static int static int
SDL_DUMMY_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture, SDL_DUMMY_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch) const SDL_Rect * rect, const void *pixels, int pitch)
@ -320,19 +403,15 @@ SDL_DUMMY_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
} }
static int static int
SDL_DUMMY_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, SDL_DUMMY_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b,
Uint32 color) Uint8 a, const SDL_Rect * rect)
{ {
SDL_DUMMY_RenderData *data = SDL_DUMMY_RenderData *data =
(SDL_DUMMY_RenderData *) renderer->driverdata; (SDL_DUMMY_RenderData *) renderer->driverdata;
SDL_Surface *target = data->screens[data->current_screen]; SDL_Surface *target = data->screens[data->current_screen];
Uint32 color;
SDL_Rect real_rect = *rect; SDL_Rect real_rect = *rect;
Uint8 r, g, b, a;
a = (Uint8) ((color >> 24) & 0xFF);
r = (Uint8) ((color >> 16) & 0xFF);
g = (Uint8) ((color >> 8) & 0xFF);
b = (Uint8) (color & 0xFF);
color = SDL_MapRGBA(target->format, r, g, b, a); color = SDL_MapRGBA(target->format, r, g, b, a);
return SDL_FillRect(target, &real_rect, color); return SDL_FillRect(target, &real_rect, color);
@ -340,8 +419,7 @@ SDL_DUMMY_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect,
static int static int
SDL_DUMMY_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, SDL_DUMMY_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect, const SDL_Rect * srcrect, const SDL_Rect * dstrect)
int blendMode, int scaleMode)
{ {
SDL_DUMMY_RenderData *data = SDL_DUMMY_RenderData *data =
(SDL_DUMMY_RenderData *) renderer->driverdata; (SDL_DUMMY_RenderData *) renderer->driverdata;
@ -360,20 +438,51 @@ SDL_DUMMY_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
} else { } else {
SDL_Surface *surface = (SDL_Surface *) texture->driverdata; SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
SDL_Surface *target = data->screens[data->current_screen]; SDL_Surface *target = data->screens[data->current_screen];
SDL_RenderCopyFunc copyfunc = (SDL_RenderCopyFunc) surface->userdata;
if (copyfunc) {
SDL_RenderCopyData copydata;
copydata.src =
(Uint8 *) surface->pixels + srcrect->y * surface->pitch +
srcrect->x * surface->format->BytesPerPixel;
copydata.src_w = srcrect->w;
copydata.src_h = srcrect->h;
copydata.src_pitch = surface->pitch;
copydata.dst =
(Uint8 *) target->pixels + dstrect->y * target->pitch +
dstrect->x * target->format->BytesPerPixel;
copydata.dst_w = dstrect->w;
copydata.dst_h = dstrect->h;
copydata.dst_pitch = target->pitch;
copydata.flags = 0;
if (texture->modMode & SDL_TEXTUREMODULATE_COLOR) {
copydata.flags |= SDL_RENDERCOPY_MODULATE_COLOR;
copydata.r = texture->r;
copydata.g = texture->g;
copydata.b = texture->b;
}
if (texture->modMode & SDL_TEXTUREMODULATE_ALPHA) {
copydata.flags |= SDL_RENDERCOPY_MODULATE_ALPHA;
copydata.a = texture->a;
}
if (texture->
blendMode & (SDL_TEXTUREBLENDMODE_MASK |
SDL_TEXTUREBLENDMODE_BLEND)) {
copydata.flags |= SDL_RENDERCOPY_BLEND;
} else if (texture->blendMode & SDL_TEXTUREBLENDMODE_ADD) {
copydata.flags |= SDL_RENDERCOPY_ADD;
} else if (texture->blendMode & SDL_TEXTUREBLENDMODE_MOD) {
copydata.flags |= SDL_RENDERCOPY_MOD;
}
if (texture->scaleMode) {
copydata.flags |= SDL_RENDERCOPY_NEAREST;
}
return copyfunc(&copydata);
} else {
SDL_Rect real_srcrect = *srcrect; SDL_Rect real_srcrect = *srcrect;
SDL_Rect real_dstrect = *dstrect; SDL_Rect real_dstrect = *dstrect;
if (blendMode &
(SDL_TEXTUREBLENDMODE_MASK | SDL_TEXTUREBLENDMODE_BLEND)) {
SDL_SetAlpha(surface, SDL_SRCALPHA, 0);
} else {
SDL_SetAlpha(surface, 0, 0);
}
if (scaleMode != SDL_TEXTURESCALEMODE_NONE &&
(srcrect->w != dstrect->w || srcrect->h != dstrect->h)) {
return SDL_SoftStretch(surface, &real_srcrect, target,
&real_dstrect);
} else {
return SDL_LowerBlit(surface, &real_srcrect, target, return SDL_LowerBlit(surface, &real_srcrect, target,
&real_dstrect); &real_dstrect);
} }

521
src/video/sdlgenblit.pl Executable file
View file

@ -0,0 +1,521 @@
#!/usr/bin/perl -w
#
# A script to generate optimized C blitters for Simple DirectMedia Layer
# http://www.libsdl.org/
use warnings;
use strict;
my %file;
# The formats potentially supported by this script:
# SDL_PIXELFORMAT_INDEX8
# SDL_PIXELFORMAT_RGB332
# SDL_PIXELFORMAT_RGB444
# SDL_PIXELFORMAT_RGB555
# SDL_PIXELFORMAT_ARGB4444
# SDL_PIXELFORMAT_ARGB1555
# SDL_PIXELFORMAT_RGB565
# SDL_PIXELFORMAT_RGB24
# SDL_PIXELFORMAT_BGR24
# SDL_PIXELFORMAT_RGB888
# SDL_PIXELFORMAT_BGR888
# SDL_PIXELFORMAT_ARGB8888
# SDL_PIXELFORMAT_RGBA8888
# SDL_PIXELFORMAT_ABGR8888
# SDL_PIXELFORMAT_BGRA8888
# SDL_PIXELFORMAT_ARGB2101010
# The formats we're actually creating blitters for:
my @src_formats = (
"RGB888",
"BGR888",
"ARGB8888",
"RGBA8888",
"ABGR8888",
"BGRA8888",
);
my @dst_formats = (
"RGB888",
"BGR888",
);
my %format_size = (
"RGB888" => 4,
"BGR888" => 4,
"ARGB8888" => 4,
"RGBA8888" => 4,
"ABGR8888" => 4,
"BGRA8888" => 4,
);
my %format_type = (
"RGB888" => "Uint32",
"BGR888" => "Uint32",
"ARGB8888" => "Uint32",
"RGBA8888" => "Uint32",
"ABGR8888" => "Uint32",
"BGRA8888" => "Uint32",
);
my %get_rgba_string = (
"RGB888" => "_R = (Uint8)(_pixel >> 16); _G = (Uint8)(_pixel >> 8); _B = (Uint8)_pixel; _A = 0xFF;",
"BGR888" => "_B = (Uint8)(_pixel >> 16); _G = (Uint8)(_pixel >> 8); _R = (Uint8)_pixel; _A = 0xFF;",
"ARGB8888" => "_A = (Uint8)(_pixel >> 24); _R = (Uint8)(_pixel >> 16); _G = (Uint8)(_pixel >> 8); _B = (Uint8)_pixel;",
"RGBA8888" => "_R = (Uint8)(_pixel >> 24); _G = (Uint8)(_pixel >> 16); _B = (Uint8)(_pixel >> 8); _A = (Uint8)_pixel;",
"ABGR8888" => "_A = (Uint8)(_pixel >> 24); _B = (Uint8)(_pixel >> 16); _G = (Uint8)(_pixel >> 8); _R = (Uint8)_pixel;",
"BGRA8888" => "_B = (Uint8)(_pixel >> 24); _G = (Uint8)(_pixel >> 16); _R = (Uint8)(_pixel >> 8); _A = (Uint8)_pixel;",
);
my %set_rgba_string = (
"RGB888" => "_pixel = ((Uint32)_R << 16) | ((Uint32)_G << 8) | _B;",
"BGR888" => "_pixel = ((Uint32)_B << 16) | ((Uint32)_G << 8) | _R;",
);
sub open_file {
my $name = shift;
open(FILE, ">$name.new") || die "Cant' open $name.new: $!";
print FILE <<__EOF__;
/* DO NOT EDIT! This file is generated by sdlgenblit.pl */
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken\@libsdl.org
*/
#include "SDL_config.h"
/* *INDENT-OFF* */
__EOF__
}
sub close_file {
my $name = shift;
print FILE <<__EOF__;
/* *INDENT-ON* */
/* vi: set ts=4 sw=4 expandtab: */
__EOF__
close FILE;
if ( ! -f $name || system("cmp -s $name $name.new") != 0 ) {
rename("$name.new", "$name");
} else {
unlink("$name.new");
}
}
sub output_copydefs
{
print FILE <<__EOF__;
#define SDL_RENDERCOPY_MODULATE_COLOR 0x0001
#define SDL_RENDERCOPY_MODULATE_ALPHA 0x0002
#define SDL_RENDERCOPY_BLEND 0x0010
#define SDL_RENDERCOPY_ADD 0x0020
#define SDL_RENDERCOPY_MOD 0x0040
#define SDL_RENDERCOPY_NEAREST 0x0100
typedef struct {
void *src;
int src_w, src_h;
int src_pitch;
void *dst;
int dst_w, dst_h;
int dst_pitch;
void *aux_data;
int flags;
Uint8 r, g, b, a;
} SDL_RenderCopyData;
typedef int (*SDL_RenderCopyFunc)(SDL_RenderCopyData *data);
extern SDL_RenderCopyFunc SDLCALL SDL_GetRenderCopyFunc(Uint32 src_format, Uint32 dst_format, int modMode, int blendMode, int scaleMode);
__EOF__
}
sub output_copyfuncname
{
my $prefix = shift;
my $src = shift;
my $dst = shift;
my $modulate = shift;
my $blend = shift;
my $scale = shift;
my $args = shift;
my $suffix = shift;
print FILE "$prefix SDL_RenderCopy_${src}_${dst}";
if ( $modulate ) {
print FILE "_Modulate";
}
if ( $blend ) {
print FILE "_Blend";
}
if ( $scale ) {
print FILE "_Scale";
}
if ( $args ) {
print FILE "(SDL_RenderCopyData *data)";
}
print FILE "$suffix";
}
sub get_rgba
{
my $prefix = shift;
my $format = shift;
my $string = $get_rgba_string{$format};
$string =~ s/_/$prefix/g;
if ( $prefix ne "" ) {
print FILE <<__EOF__;
${prefix}pixel = *$prefix;
__EOF__
} else {
print FILE <<__EOF__;
pixel = *src;
__EOF__
}
print FILE <<__EOF__;
$string
__EOF__
}
sub set_rgba
{
my $prefix = shift;
my $format = shift;
my $string = $set_rgba_string{$format};
$string =~ s/_/$prefix/g;
print FILE <<__EOF__;
$string
*dst = ${prefix}pixel;
__EOF__
}
sub output_copycore
{
my $src = shift;
my $dst = shift;
my $modulate = shift;
my $blend = shift;
if ( $modulate ) {
print FILE <<__EOF__;
if (flags & SDL_RENDERCOPY_MODULATE_COLOR) {
${src}R = (${src}R * modulateR) / 255;
${src}G = (${src}G * modulateG) / 255;
${src}B = (${src}B * modulateB) / 255;
}
__EOF__
}
if ( $modulate && $blend ) {
print FILE <<__EOF__;
if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) {
${src}A = (${src}A * modulateA) / 255;
}
__EOF__
}
if ( $blend ) {
print FILE <<__EOF__;
if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) {
/* This goes away if we ever use premultiplied alpha */
${src}R = (${src}R * ${src}A) / 255;
${src}G = (${src}G * ${src}A) / 255;
${src}B = (${src}B * ${src}A) / 255;
}
switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) {
case SDL_RENDERCOPY_BLEND:
${dst}R = ${src}R + ((255 - ${src}A) * ${dst}R) / 255;
${dst}G = ${src}G + ((255 - ${src}A) * ${dst}G) / 255;
${dst}B = ${src}B + ((255 - ${src}A) * ${dst}B) / 255;
break;
case SDL_RENDERCOPY_ADD:
${dst}R = ${src}R + ${dst}R; if (${dst}R > 255) ${dst}R = 255;
${dst}G = ${src}G + ${dst}G; if (${dst}G > 255) ${dst}G = 255;
${dst}B = ${src}B + ${dst}B; if (${dst}B > 255) ${dst}B = 255;
break;
case SDL_RENDERCOPY_MOD:
${dst}R = (${src}R * ${dst}R) / 255;
${dst}G = (${src}G * ${dst}G) / 255;
${dst}B = (${src}B * ${dst}B) / 255;
break;
}
__EOF__
}
}
sub output_copyfunc
{
my $src = shift;
my $dst = shift;
my $modulate = shift;
my $blend = shift;
my $scale = shift;
output_copyfuncname("int", $src, $dst, $modulate, $blend, $scale, 1, "\n");
print FILE <<__EOF__;
{
const int flags = data->flags;
__EOF__
if ( $modulate ) {
print FILE <<__EOF__;
const Uint32 modulateR = data->r;
const Uint32 modulateG = data->g;
const Uint32 modulateB = data->b;
const Uint32 modulateA = data->a;
__EOF__
}
if ( $blend ) {
print FILE <<__EOF__;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
__EOF__
} elsif ( $modulate || $src ne $dst ) {
print FILE <<__EOF__;
Uint32 pixel;
Uint32 R, G, B, A;
__EOF__
}
if ( $scale ) {
print FILE <<__EOF__;
int srcy, srcx;
int posy, posx;
int incy, incx;
srcy = 0;
posy = 0;
incy = (data->src_h << 16) / data->dst_h;
incx = (data->src_w << 16) / data->dst_w;
while (data->dst_h--) {
$format_type{$src} *src;
$format_type{$dst} *dst = ($format_type{$dst} *)data->dst;
int n = data->dst_w;
srcx = -1;
posx = 0x10000L;
while (posy >= 0x10000L) {
++srcy;
posy -= 0x10000L;
}
while (n--) {
if (posx >= 0x10000L) {
while (posx >= 0x10000L) {
++srcx;
posx -= 0x10000L;
}
src = ($format_type{$src} *)(data->src + (srcy * data->src_pitch) + (srcx * $format_size{$src}));
__EOF__
print FILE <<__EOF__;
}
__EOF__
if ( $blend ) {
get_rgba("src", $src);
get_rgba("dst", $dst);
output_copycore("src", "dst", $modulate, $blend);
set_rgba("dst", $dst);
} elsif ( $modulate || $src ne $dst ) {
get_rgba("", $src);
output_copycore("", "", $modulate, $blend);
set_rgba("", $dst);
} else {
print FILE <<__EOF__;
*dst = *src;
__EOF__
}
print FILE <<__EOF__;
posx += incx;
++dst;
}
posy += incy;
data->dst += data->dst_pitch;
}
__EOF__
} else {
print FILE <<__EOF__;
while (data->dst_h--) {
$format_type{$src} *src = ($format_type{$src} *)data->src;
$format_type{$dst} *dst = ($format_type{$dst} *)data->dst;
int n = data->dst_w;
while (n--) {
__EOF__
if ( $blend ) {
get_rgba("src", $src);
get_rgba("dst", $dst);
output_copycore("src", "dst", $modulate, $blend);
set_rgba("dst", $dst);
} elsif ( $modulate || $src ne $dst ) {
get_rgba("", $src);
output_copycore("", "", $modulate, $blend);
set_rgba("", $dst);
} else {
print FILE <<__EOF__;
*dst = *src;
__EOF__
}
print FILE <<__EOF__;
++src;
++dst;
}
data->src += data->src_pitch;
data->dst += data->dst_pitch;
}
__EOF__
}
print FILE <<__EOF__;
return 0;
}
__EOF__
}
sub output_copyfunc_h
{
my $src = shift;
my $dst = shift;
for (my $modulate = 0; $modulate <= 1; ++$modulate) {
for (my $blend = 0; $blend <= 1; ++$blend) {
for (my $scale = 0; $scale <= 1; ++$scale) {
if ( $modulate != 0 || $blend != 0 || $scale != 0 || $src ne $dst ) {
output_copyfuncname("extern int SDLCALL", $src, $dst, $modulate, $blend, $scale, 1, ";\n");
}
}
}
}
}
sub output_copyinc
{
print FILE <<__EOF__;
#include "SDL_video.h"
#include "SDL_rendercopy.h"
__EOF__
}
sub output_copyfunctable
{
print FILE <<__EOF__;
static struct {
Uint32 src_format;
Uint32 dst_format;
int modMode;
int blendMode;
int scaleMode;
SDL_RenderCopyFunc func;
} SDL_RenderCopyFuncTable[] = {
__EOF__
for (my $i = 0; $i <= $#src_formats; ++$i) {
my $src = $src_formats[$i];
for (my $j = 0; $j <= $#dst_formats; ++$j) {
my $dst = $dst_formats[$j];
for (my $modulate = 0; $modulate <= 1; ++$modulate) {
for (my $blend = 0; $blend <= 1; ++$blend) {
for (my $scale = 0; $scale <= 1; ++$scale) {
if ( $modulate != 0 || $blend != 0 || $scale != 0 || $src ne $dst ) {
print FILE " { SDL_PIXELFORMAT_$src, SDL_PIXELFORMAT_$dst, ";
if ( $modulate ) {
print FILE "(SDL_TEXTUREMODULATE_COLOR | SDL_TEXTUREMODULATE_ALPHA), ";
} else {
print FILE "0, ";
}
if ( $blend ) {
print FILE "(SDL_TEXTUREBLENDMODE_MASK | SDL_TEXTUREBLENDMODE_BLEND | SDL_TEXTUREBLENDMODE_ADD | SDL_TEXTUREBLENDMODE_MOD), ";
} else {
print FILE "0, ";
}
if ( $scale ) {
print FILE "SDL_TEXTURESCALEMODE_FAST, ";
} else {
print FILE "0, ";
}
output_copyfuncname("", $src_formats[$i], $dst_formats[$j], $modulate, $blend, $scale, 0, " },\n");
}
}
}
}
}
}
print FILE <<__EOF__;
};
SDL_RenderCopyFunc SDL_GetRenderCopyFunc(Uint32 src_format, Uint32 dst_format, int modMode, int blendMode, int scaleMode)
{
int i;
for (i = 0; i < SDL_arraysize(SDL_RenderCopyFuncTable); ++i) {
if (src_format != SDL_RenderCopyFuncTable[i].src_format) {
continue;
}
if (dst_format != SDL_RenderCopyFuncTable[i].dst_format) {
continue;
}
if ((modMode & SDL_RenderCopyFuncTable[i].modMode) != modMode) {
continue;
}
if ((blendMode & SDL_RenderCopyFuncTable[i].blendMode) != blendMode) {
continue;
}
if ((scaleMode & SDL_RenderCopyFuncTable[i].scaleMode) != scaleMode) {
continue;
}
return SDL_RenderCopyFuncTable[i].func;
}
return NULL;
}
__EOF__
}
sub output_copyfunc_c
{
my $src = shift;
my $dst = shift;
for (my $modulate = 0; $modulate <= 1; ++$modulate) {
for (my $blend = 0; $blend <= 1; ++$blend) {
for (my $scale = 0; $scale <= 1; ++$scale) {
if ( $modulate != 0 || $blend != 0 || $scale != 0 || $src ne $dst ) {
output_copyfunc($src, $dst, $modulate, $blend, $scale);
}
}
}
}
}
open_file("SDL_rendercopy.h");
output_copydefs();
for (my $i = 0; $i <= $#src_formats; ++$i) {
for (my $j = 0; $j <= $#dst_formats; ++$j) {
output_copyfunc_h($src_formats[$i], $dst_formats[$j]);
}
}
print FILE "\n";
close_file("SDL_rendercopy.h");
open_file("SDL_rendercopy.c");
output_copyinc();
output_copyfunctable();
for (my $i = 0; $i <= $#src_formats; ++$i) {
for (my $j = 0; $j <= $#dst_formats; ++$j) {
output_copyfunc_c($src_formats[$i], $dst_formats[$j]);
}
}
close_file("SDL_rendercopy.c");

81
src/video/win32/SDL_d3drender.c
View file

@ -37,6 +37,14 @@ static int D3D_SetTexturePalette(SDL_Renderer * renderer,
static int D3D_GetTexturePalette(SDL_Renderer * renderer, static int D3D_GetTexturePalette(SDL_Renderer * renderer,
SDL_Texture * texture, SDL_Color * colors, SDL_Texture * texture, SDL_Color * colors,
int firstcolor, int ncolors); int firstcolor, int ncolors);
static int D3D_SetTextureColorMod(SDL_Renderer * renderer,
SDL_Texture * texture);
static int D3D_SetTextureAlphaMod(SDL_Renderer * renderer,
SDL_Texture * texture);
static int D3D_SetTextureBlendMode(SDL_Renderer * renderer,
SDL_Texture * texture);
static int D3D_SetTextureScaleMode(SDL_Renderer * renderer,
SDL_Texture * texture);
static int D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture, static int D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, const SDL_Rect * rect, const void *pixels,
int pitch); int pitch);
@ -46,11 +54,10 @@ static int D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
static void D3D_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture); static void D3D_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static void D3D_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, static void D3D_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
int numrects, const SDL_Rect * rects); int numrects, const SDL_Rect * rects);
static int D3D_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, static int D3D_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b,
Uint32 color); Uint8 a, const SDL_Rect * rect);
static int D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, static int D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect, const SDL_Rect * srcrect, const SDL_Rect * dstrect);
int blendMode, int scaleMode);
static void D3D_RenderPresent(SDL_Renderer * renderer); static void D3D_RenderPresent(SDL_Renderer * renderer);
static void D3D_DestroyTexture(SDL_Renderer * renderer, static void D3D_DestroyTexture(SDL_Renderer * renderer,
SDL_Texture * texture); SDL_Texture * texture);
@ -65,6 +72,8 @@ SDL_RenderDriver D3D_RenderDriver = {
SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 | SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 |
SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_PRESENTVSYNC |
SDL_RENDERER_ACCELERATED), SDL_RENDERER_ACCELERATED),
(SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR |
SDL_TEXTUREMODULATE_ALPHA),
(SDL_TEXTUREBLENDMODE_NONE | SDL_TEXTUREBLENDMODE_MASK | (SDL_TEXTUREBLENDMODE_NONE | SDL_TEXTUREBLENDMODE_MASK |
SDL_TEXTUREBLENDMODE_BLEND | SDL_TEXTUREBLENDMODE_ADD | SDL_TEXTUREBLENDMODE_BLEND | SDL_TEXTUREBLENDMODE_ADD |
SDL_TEXTUREBLENDMODE_MOD), SDL_TEXTUREBLENDMODE_MOD),
@ -259,6 +268,10 @@ D3D_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->CreateTexture = D3D_CreateTexture; renderer->CreateTexture = D3D_CreateTexture;
renderer->SetTexturePalette = D3D_SetTexturePalette; renderer->SetTexturePalette = D3D_SetTexturePalette;
renderer->GetTexturePalette = D3D_GetTexturePalette; renderer->GetTexturePalette = D3D_GetTexturePalette;
renderer->SetTextureColorMod = D3D_SetTextureColorMod;
renderer->SetTextureAlphaMod = D3D_SetTextureAlphaMod;
renderer->SetTextureBlendMode = D3D_SetTextureBlendMode;
renderer->SetTextureScaleMode = D3D_SetTextureScaleMode;
renderer->UpdateTexture = D3D_UpdateTexture; renderer->UpdateTexture = D3D_UpdateTexture;
renderer->LockTexture = D3D_LockTexture; renderer->LockTexture = D3D_LockTexture;
renderer->UnlockTexture = D3D_UnlockTexture; renderer->UnlockTexture = D3D_UnlockTexture;
@ -477,6 +490,54 @@ D3D_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
return 0; return 0;
} }
static int
D3D_SetTextureColorMod(SDL_Renderer * renderer, SDL_Texture * texture)
{
/* FIXME: implement vertex coloring */
return -1;
}
static int
D3D_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
{
/* FIXME: implement vertex coloring */
return -1;
}
static int
D3D_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
{
switch (texture->blendMode) {
case SDL_TEXTUREBLENDMODE_NONE:
case SDL_TEXTUREBLENDMODE_MASK:
case SDL_TEXTUREBLENDMODE_BLEND:
case SDL_TEXTUREBLENDMODE_ADD:
case SDL_TEXTUREBLENDMODE_MOD:
return 0;
default:
SDL_Unsupported();
texture->blendMode = SDL_TEXTUREBLENDMODE_NONE;
return -1;
}
}
static int
D3D_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
{
switch (texture->scaleMode) {
case SDL_TEXTURESCALEMODE_NONE:
case SDL_TEXTURESCALEMODE_FAST:
case SDL_TEXTURESCALEMODE_SLOW:
case SDL_TEXTURESCALEMODE_BEST:
return 0;
default:
SDL_Unsupported();
texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
return -1;
}
return 0;
}
static int static int
D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture, D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch) const SDL_Rect * rect, const void *pixels, int pitch)
@ -597,7 +658,8 @@ D3D_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
} }
static int static int
D3D_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, Uint32 color) D3D_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
const SDL_Rect * rect)
{ {
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata; D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3DRECT d3drect; D3DRECT d3drect;
@ -615,7 +677,7 @@ D3D_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, Uint32 color)
result = result =
IDirect3DDevice9_Clear(data->device, 1, &d3drect, D3DCLEAR_TARGET, IDirect3DDevice9_Clear(data->device, 1, &d3drect, D3DCLEAR_TARGET,
(D3DCOLOR) color, 1.0f, 0); D3DCOLOR_ARGB(a, r, g, b), 1.0f, 0);
if (FAILED(result)) { if (FAILED(result)) {
D3D_SetError("Clear()", result); D3D_SetError("Clear()", result);
return -1; return -1;
@ -625,8 +687,7 @@ D3D_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, Uint32 color)
static int static int
D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect, const SDL_Rect * srcrect, const SDL_Rect * dstrect)
int blendMode, int scaleMode)
{ {
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata; D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3D_TextureData *texturedata = (D3D_TextureData *) texture->driverdata; D3D_TextureData *texturedata = (D3D_TextureData *) texture->driverdata;
@ -678,7 +739,7 @@ D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
vertices[3].u = minu; vertices[3].u = minu;
vertices[3].v = maxv; vertices[3].v = maxv;
switch (blendMode) { switch (texture->blendMode) {
case SDL_TEXTUREBLENDMODE_NONE: case SDL_TEXTUREBLENDMODE_NONE:
IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE, IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE,
FALSE); FALSE);
@ -710,7 +771,7 @@ D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
break; break;
} }
switch (scaleMode) { switch (texture->scaleMode) {
case SDL_TEXTURESCALEMODE_NONE: case SDL_TEXTURESCALEMODE_NONE:
case SDL_TEXTURESCALEMODE_FAST: case SDL_TEXTURESCALEMODE_FAST:
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER, IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,

77
src/video/win32/SDL_gdirender.c
View file

@ -42,6 +42,12 @@ static int GDI_SetTexturePalette(SDL_Renderer * renderer,
static int GDI_GetTexturePalette(SDL_Renderer * renderer, static int GDI_GetTexturePalette(SDL_Renderer * renderer,
SDL_Texture * texture, SDL_Color * colors, SDL_Texture * texture, SDL_Color * colors,
int firstcolor, int ncolors); int firstcolor, int ncolors);
static int GDI_SetTextureAlphaMod(SDL_Renderer * renderer,
SDL_Texture * texture);
static int GDI_SetTextureBlendMode(SDL_Renderer * renderer,
SDL_Texture * texture);
static int GDI_SetTextureScaleMode(SDL_Renderer * renderer,
SDL_Texture * texture);
static int GDI_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture, static int GDI_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, const SDL_Rect * rect, const void *pixels,
int pitch); int pitch);
@ -51,11 +57,10 @@ static int GDI_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
static void GDI_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture); static void GDI_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static void GDI_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, static void GDI_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
int numrects, const SDL_Rect * rects); int numrects, const SDL_Rect * rects);
static int GDI_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, static int GDI_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b,
Uint32 color); Uint8 a, const SDL_Rect * rect);
static int GDI_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, static int GDI_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect, const SDL_Rect * srcrect, const SDL_Rect * dstrect);
int blendMode, int scaleMode);
static void GDI_RenderPresent(SDL_Renderer * renderer); static void GDI_RenderPresent(SDL_Renderer * renderer);
static void GDI_DestroyTexture(SDL_Renderer * renderer, static void GDI_DestroyTexture(SDL_Renderer * renderer,
SDL_Texture * texture); SDL_Texture * texture);
@ -69,6 +74,7 @@ SDL_RenderDriver GDI_RenderDriver = {
(SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY | (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY |
SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 | SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 |
SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_ACCELERATED), SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_ACCELERATED),
(SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_ALPHA),
(SDL_TEXTUREBLENDMODE_NONE | SDL_TEXTUREBLENDMODE_MASK | (SDL_TEXTUREBLENDMODE_NONE | SDL_TEXTUREBLENDMODE_MASK |
SDL_TEXTUREBLENDMODE_BLEND), SDL_TEXTUREBLENDMODE_BLEND),
(SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST), (SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST),
@ -161,6 +167,9 @@ GDI_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->QueryTexturePixels = GDI_QueryTexturePixels; renderer->QueryTexturePixels = GDI_QueryTexturePixels;
renderer->SetTexturePalette = GDI_SetTexturePalette; renderer->SetTexturePalette = GDI_SetTexturePalette;
renderer->GetTexturePalette = GDI_GetTexturePalette; renderer->GetTexturePalette = GDI_GetTexturePalette;
renderer->SetTextureAlphaMod = GDI_SetTextureAlphaMod;
renderer->SetTextureBlendMode = GDI_SetTextureBlendMode;
renderer->SetTextureScaleMode = GDI_SetTextureScaleMode;
renderer->UpdateTexture = GDI_UpdateTexture; renderer->UpdateTexture = GDI_UpdateTexture;
renderer->LockTexture = GDI_LockTexture; renderer->LockTexture = GDI_LockTexture;
renderer->UnlockTexture = GDI_UnlockTexture; renderer->UnlockTexture = GDI_UnlockTexture;
@ -437,6 +446,47 @@ GDI_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
} }
} }
static int
GDI_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
{
return 0;
}
static int
GDI_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
{
switch (texture->blendMode) {
case SDL_TEXTUREBLENDMODE_NONE:
case SDL_TEXTUREBLENDMODE_MASK:
case SDL_TEXTUREBLENDMODE_BLEND:
return 0;
default:
SDL_Unsupported();
texture->blendMode = SDL_TEXTUREBLENDMODE_NONE;
return -1;
}
}
static int
GDI_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
{
switch (texture->scaleMode) {
case SDL_TEXTURESCALEMODE_NONE:
case SDL_TEXTURESCALEMODE_FAST:
return 0;
case SDL_TEXTURESCALEMODE_SLOW:
case SDL_TEXTURESCALEMODE_BEST:
SDL_Unsupported();
texture->scaleMode = SDL_TEXTURESCALEMODE_FAST;
return -1;
default:
SDL_Unsupported();
texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
return -1;
}
return 0;
}
static int static int
GDI_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture, GDI_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch) const SDL_Rect * rect, const void *pixels, int pitch)
@ -524,10 +574,10 @@ GDI_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
} }
static int static int
GDI_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, Uint32 color) GDI_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
const SDL_Rect * rect)
{ {
GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata; GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata;
Uint8 r, g, b;
RECT rc; RECT rc;
HBRUSH brush; HBRUSH brush;
int status; int status;
@ -536,10 +586,6 @@ GDI_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, Uint32 color)
SDL_AddDirtyRect(&data->dirty, rect); SDL_AddDirtyRect(&data->dirty, rect);
} }
r = (Uint8) ((color >> 16) & 0xFF);
g = (Uint8) ((color >> 8) & 0xFF);
b = (Uint8) (color & 0xFF);
rc.left = rect->x; rc.left = rect->x;
rc.top = rect->y; rc.top = rect->y;
rc.right = rect->x + rect->w + 1; rc.right = rect->x + rect->w + 1;
@ -560,8 +606,7 @@ GDI_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, Uint32 color)
static int static int
GDI_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, GDI_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect, const SDL_Rect * srcrect, const SDL_Rect * dstrect)
int blendMode, int scaleMode)
{ {
GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata; GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata;
GDI_TextureData *texturedata = (GDI_TextureData *) texture->driverdata; GDI_TextureData *texturedata = (GDI_TextureData *) texture->driverdata;
@ -575,11 +620,13 @@ GDI_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
SelectPalette(data->memory_hdc, texturedata->hpal, TRUE); SelectPalette(data->memory_hdc, texturedata->hpal, TRUE);
RealizePalette(data->memory_hdc); RealizePalette(data->memory_hdc);
} }
if (blendMode & (SDL_TEXTUREBLENDMODE_MASK | SDL_TEXTUREBLENDMODE_BLEND)) { if (texture->
static BLENDFUNCTION blendFunc = { blendMode & (SDL_TEXTUREBLENDMODE_MASK | SDL_TEXTUREBLENDMODE_BLEND))
{
BLENDFUNCTION blendFunc = {
AC_SRC_OVER, AC_SRC_OVER,
0, 0,
255, texture->a,
AC_SRC_ALPHA AC_SRC_ALPHA
}; };
/* FIXME: GDI uses premultiplied alpha! */ /* FIXME: GDI uses premultiplied alpha! */

2
test/testgl2.c
View file

@ -194,7 +194,7 @@ main(int argc, char *argv[])
} }
} }
if (consumed < 0) { if (consumed < 0) {
fprintf(stderr, "Usage: %s %s [--fsaa] [--accel]", argv[0], fprintf(stderr, "Usage: %s %s [--fsaa] [--accel]\n", argv[0],
CommonUsage(state)); CommonUsage(state));
quit(1); quit(1);
} }

51
test/testsprite2.c
View file

@ -8,11 +8,15 @@
#define NUM_SPRITES 100 #define NUM_SPRITES 100
#define MAX_SPEED 1 #define MAX_SPEED 1
#define BACKGROUND 0x00A0A0A0
static CommonState *state; static CommonState *state;
static int num_sprites; static int num_sprites;
static SDL_TextureID *sprites; static SDL_TextureID *sprites;
static SDL_bool cycle_color;
static SDL_bool cycle_alpha;
static int cycle_direction = 1;
static int current_alpha = 0;
static int current_color = 0;
static SDL_Rect *positions; static SDL_Rect *positions;
static SDL_Rect *velocities; static SDL_Rect *velocities;
static int sprite_w, sprite_h; static int sprite_w, sprite_h;
@ -66,6 +70,8 @@ LoadSprite(char *file)
SDL_FreeSurface(temp); SDL_FreeSurface(temp);
return (-1); return (-1);
} }
SDL_SetTextureBlendMode(sprites[i], blendMode);
SDL_SetTextureScaleMode(sprites[i], scaleMode);
} }
SDL_FreeSurface(temp); SDL_FreeSurface(temp);
@ -85,9 +91,36 @@ MoveSprites(SDL_WindowID window, SDL_TextureID sprite)
/* Query the sizes */ /* Query the sizes */
SDL_GetWindowSize(window, &window_w, &window_h); SDL_GetWindowSize(window, &window_w, &window_h);
/* Cycle the color and alpha, if desired */
if (cycle_color) {
current_color += cycle_direction;
if (current_color < 0) {
current_color = 0;
cycle_direction = -cycle_direction;
}
if (current_color > 255) {
current_color = 255;
cycle_direction = -cycle_direction;
}
SDL_SetTextureColorMod(sprite, 255, (Uint8) current_color,
(Uint8) current_color);
}
if (cycle_alpha) {
current_alpha += cycle_direction;
if (current_alpha < 0) {
current_alpha = 0;
cycle_direction = -cycle_direction;
}
if (current_alpha > 255) {
current_alpha = 255;
cycle_direction = -cycle_direction;
}
SDL_SetTextureAlphaMod(sprite, (Uint8) current_alpha);
}
/* Move the sprite, bounce at the wall, and draw */ /* Move the sprite, bounce at the wall, and draw */
n = 0; n = 0;
SDL_RenderFill(NULL, BACKGROUND); SDL_RenderFill(0xA0, 0xA0, 0xA0, 0xFF, NULL);
for (i = 0; i < num_sprites; ++i) { for (i = 0; i < num_sprites; ++i) {
position = &positions[i]; position = &positions[i];
velocity = &velocities[i]; velocity = &velocities[i];
@ -103,7 +136,7 @@ MoveSprites(SDL_WindowID window, SDL_TextureID sprite)
} }
/* Blit the sprite onto the screen */ /* Blit the sprite onto the screen */
SDL_RenderCopy(sprite, NULL, position, blendMode, scaleMode); SDL_RenderCopy(sprite, NULL, position);
} }
/* Update the screen! */ /* Update the screen! */
@ -166,6 +199,12 @@ main(int argc, char *argv[])
consumed = 2; consumed = 2;
} }
} }
} else if (SDL_strcasecmp(argv[i], "--cyclecolor") == 0) {
cycle_color = SDL_TRUE;
consumed = 1;
} else if (SDL_strcasecmp(argv[i], "--cyclealpha") == 0) {
cycle_alpha = SDL_TRUE;
consumed = 1;
} else if (SDL_isdigit(*argv[i])) { } else if (SDL_isdigit(*argv[i])) {
num_sprites = SDL_atoi(argv[i]); num_sprites = SDL_atoi(argv[i]);
consumed = 1; consumed = 1;
@ -173,7 +212,7 @@ main(int argc, char *argv[])
} }
if (consumed < 0) { if (consumed < 0) {
fprintf(stderr, fprintf(stderr,
"Usage: %s %s [--blend none|mask|blend|add|mod] [--scale none|fast|slow|best]", "Usage: %s %s [--blend none|mask|blend|add|mod] [--scale none|fast|slow|best] [--cyclecolor] [--cyclealpha]\n",
argv[0], CommonUsage(state)); argv[0], CommonUsage(state));
quit(1); quit(1);
} }
@ -192,7 +231,7 @@ main(int argc, char *argv[])
} }
for (i = 0; i < state->num_windows; ++i) { for (i = 0; i < state->num_windows; ++i) {
SDL_SelectRenderer(state->windows[i]); SDL_SelectRenderer(state->windows[i]);
SDL_RenderFill(NULL, BACKGROUND); SDL_RenderFill(0xA0, 0xA0, 0xA0, 0xFF, NULL);
} }
if (LoadSprite("icon.bmp") < 0) { if (LoadSprite("icon.bmp") < 0) {
quit(2); quit(2);
@ -237,7 +276,7 @@ main(int argc, char *argv[])
switch (event.window.event) { switch (event.window.event) {
case SDL_WINDOWEVENT_EXPOSED: case SDL_WINDOWEVENT_EXPOSED:
SDL_SelectRenderer(event.window.windowID); SDL_SelectRenderer(event.window.windowID);
SDL_RenderFill(NULL, BACKGROUND); SDL_RenderFill(0xA0, 0xA0, 0xA0, 0xFF, NULL);
break; break;
} }
break; break;

2
test/testwm2.c
View file

@ -34,7 +34,7 @@ main(int argc, char *argv[])
consumed = -1; consumed = -1;
} }
if (consumed < 0) { if (consumed < 0) {
fprintf(stderr, "Usage: %s %s", argv[0], CommonUsage(state)); fprintf(stderr, "Usage: %s %s\n", argv[0], CommonUsage(state));
quit(1); quit(1);
} }
i += consumed; i += consumed;