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The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.

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This commit is contained in:
Sam Lantinga 2011-02-01 19:19:43 -08:00
parent 52cf8a6451
commit df94d4c6a4
15 changed files with 617 additions and 690 deletions
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115
include/SDL_render.h
View file

@ -85,6 +85,12 @@ typedef enum
SDL_TEXTUREMODULATE_ALPHA = 0x00000002 /**< srcA = srcA * alpha */
} SDL_TextureModulate;
/**
* \brief A structure representing rendering state
*/
struct SDL_Renderer;
typedef struct SDL_Renderer SDL_Renderer;
/**
* \brief An efficient driver-specific representation of pixel data
*/
@ -123,37 +129,29 @@ extern DECLSPEC int SDLCALL SDL_GetRenderDriverInfo(int index,
SDL_RendererInfo * info);
/**
* \brief Create and make active a 2D rendering context for a window.
* \brief Create a 2D rendering context for a window.
*
* \param window The window where rendering is displayed.
* \param index The index of the rendering driver to initialize, or -1 to
* initialize the first one supporting the requested flags.
* \param flags ::SDL_RendererFlags.
*
* \return 0 on success, -1 if there was an error creating the renderer.
* \return A valid rendering context or NULL if there was an error.
*
* \sa SDL_SelectRenderer()
* \sa SDL_GetRendererInfo()
* \sa SDL_DestroyRenderer()
*/
extern DECLSPEC int SDLCALL SDL_CreateRenderer(SDL_Window * window,
extern DECLSPEC SDL_Renderer * SDLCALL SDL_CreateRenderer(SDL_Window * window,
int index, Uint32 flags);
/**
* \brief Select the rendering context for a particular window.
*
* \return 0 on success, -1 if the selected window doesn't have a
* rendering context.
* \brief Get information about a rendering context.
*/
extern DECLSPEC int SDLCALL SDL_SelectRenderer(SDL_Window * window);
extern DECLSPEC int SDLCALL SDL_GetRendererInfo(SDL_Renderer * renderer,
SDL_RendererInfo * info);
/**
* \brief Get information about the current rendering context.
*/
extern DECLSPEC int SDLCALL SDL_GetRendererInfo(SDL_RendererInfo * info);
/**
* \brief Create a texture for the current rendering context.
* \brief Create a texture for a rendering context.
*
* \param format The format of the texture.
* \param access One of the enumerated values in ::SDL_TextureAccess.
@ -167,7 +165,7 @@ extern DECLSPEC int SDLCALL SDL_GetRendererInfo(SDL_RendererInfo * info);
* \sa SDL_QueryTexture()
* \sa SDL_DestroyTexture()
*/
extern DECLSPEC SDL_Texture * SDLCALL SDL_CreateTexture(Uint32 format,
extern DECLSPEC SDL_Texture * SDLCALL SDL_CreateTexture(SDL_Renderer * renderer, Uint32 format,
int access, int w,
int h);
@ -186,10 +184,7 @@ extern DECLSPEC SDL_Texture * SDLCALL SDL_CreateTexture(Uint32 format,
* \sa SDL_QueryTexture()
* \sa SDL_DestroyTexture()
*/
extern DECLSPEC SDL_Texture * SDLCALL SDL_CreateTextureFromSurface(Uint32
format,
SDL_Surface
* surface);
extern DECLSPEC SDL_Texture * SDLCALL SDL_CreateTextureFromSurface(SDL_Renderer * renderer, Uint32 format, SDL_Surface * surface);
/**
* \brief Query the attributes of a texture
@ -419,9 +414,10 @@ extern DECLSPEC void SDLCALL SDL_DirtyTexture(SDL_Texture * texture,
* \param a The alpha value used to draw on the rendering target, usually
* ::SDL_ALPHA_OPAQUE (255).
*
* \return 0 on success, or -1 if there is no rendering context current.
* \return 0 on success, or -1 on error
*/
extern DECLSPEC int SDL_SetRenderDrawColor(Uint8 r, Uint8 g, Uint8 b,
extern DECLSPEC int SDL_SetRenderDrawColor(SDL_Renderer * renderer,
Uint8 r, Uint8 g, Uint8 b,
Uint8 a);
/**
@ -433,9 +429,10 @@ extern DECLSPEC int SDL_SetRenderDrawColor(Uint8 r, Uint8 g, Uint8 b,
* \param a A pointer to the alpha value used to draw on the rendering target,
* usually ::SDL_ALPHA_OPAQUE (255).
*
* \return 0 on success, or -1 if there is no rendering context current.
* \return 0 on success, or -1 on error
*/
extern DECLSPEC int SDL_GetRenderDrawColor(Uint8 * r, Uint8 * g, Uint8 * b,
extern DECLSPEC int SDL_GetRenderDrawColor(SDL_Renderer * renderer,
Uint8 * r, Uint8 * g, Uint8 * b,
Uint8 * a);
/**
@ -443,30 +440,32 @@ extern DECLSPEC int SDL_GetRenderDrawColor(Uint8 * r, Uint8 * g, Uint8 * b,
*
* \param blendMode ::SDL_BlendMode to use for blending.
*
* \return 0 on success, or -1 if there is no rendering context current.
* \return 0 on success, or -1 on error
*
* \note If the blend mode is not supported, the closest supported mode is
* chosen.
*
* \sa SDL_GetRenderDrawBlendMode()
*/
extern DECLSPEC int SDLCALL SDL_SetRenderDrawBlendMode(SDL_BlendMode blendMode);
extern DECLSPEC int SDLCALL SDL_SetRenderDrawBlendMode(SDL_Renderer * renderer,
SDL_BlendMode blendMode);
/**
* \brief Get the blend mode used for drawing operations.
*
* \param blendMode A pointer filled in with the current blend mode.
*
* \return 0 on success, or -1 if there is no rendering context current.
* \return 0 on success, or -1 on error
*
* \sa SDL_SetRenderDrawBlendMode()
*/
extern DECLSPEC int SDLCALL SDL_GetRenderDrawBlendMode(SDL_BlendMode *blendMode);
extern DECLSPEC int SDLCALL SDL_GetRenderDrawBlendMode(SDL_Renderer * renderer,
SDL_BlendMode *blendMode);
/**
* \brief Clear the current rendering target with the drawing color
*/
extern DECLSPEC int SDLCALL SDL_RenderClear(void);
extern DECLSPEC int SDLCALL SDL_RenderClear(SDL_Renderer * renderer);
/**
* \brief Draw a point on the current rendering target.
@ -474,9 +473,10 @@ extern DECLSPEC int SDLCALL SDL_RenderClear(void);
* \param x The x coordinate of the point.
* \param y The y coordinate of the point.
*
* \return 0 on success, or -1 if there is no rendering context current.
* \return 0 on success, or -1 on error
*/
extern DECLSPEC int SDLCALL SDL_RenderDrawPoint(int x, int y);
extern DECLSPEC int SDLCALL SDL_RenderDrawPoint(SDL_Renderer * renderer,
int x, int y);
/**
* \brief Draw multiple points on the current rendering target.
@ -484,9 +484,10 @@ extern DECLSPEC int SDLCALL SDL_RenderDrawPoint(int x, int y);
* \param points The points to draw
* \param count The number of points to draw
*
* \return 0 on success, or -1 if there is no rendering context current.
* \return 0 on success, or -1 on error
*/
extern DECLSPEC int SDLCALL SDL_RenderDrawPoints(const SDL_Point * points,
extern DECLSPEC int SDLCALL SDL_RenderDrawPoints(SDL_Renderer * renderer,
const SDL_Point * points,
int count);
/**
@ -497,9 +498,10 @@ extern DECLSPEC int SDLCALL SDL_RenderDrawPoints(const SDL_Point * points,
* \param x2 The x coordinate of the end point.
* \param y2 The y coordinate of the end point.
*
* \return 0 on success, or -1 if there is no rendering context current.
* \return 0 on success, or -1 on error
*/
extern DECLSPEC int SDLCALL SDL_RenderDrawLine(int x1, int y1, int x2, int y2);
extern DECLSPEC int SDLCALL SDL_RenderDrawLine(SDL_Renderer * renderer,
int x1, int y1, int x2, int y2);
/**
* \brief Draw a series of connected lines on the current rendering target.
@ -507,9 +509,10 @@ extern DECLSPEC int SDLCALL SDL_RenderDrawLine(int x1, int y1, int x2, int y2);
* \param points The points along the lines
* \param count The number of points, drawing count-1 lines
*
* \return 0 on success, or -1 if there is no rendering context current.
* \return 0 on success, or -1 on error
*/
extern DECLSPEC int SDLCALL SDL_RenderDrawLines(const SDL_Point * points,
extern DECLSPEC int SDLCALL SDL_RenderDrawLines(SDL_Renderer * renderer,
const SDL_Point * points,
int count);
/**
@ -517,9 +520,10 @@ extern DECLSPEC int SDLCALL SDL_RenderDrawLines(const SDL_Point * points,
*
* \param rect A pointer to the destination rectangle, or NULL to outline the entire rendering target.
*
* \return 0 on success, or -1 if there is no rendering context current.
* \return 0 on success, or -1 on error
*/
extern DECLSPEC int SDLCALL SDL_RenderDrawRect(const SDL_Rect * rect);
extern DECLSPEC int SDLCALL SDL_RenderDrawRect(SDL_Renderer * renderer,
const SDL_Rect * rect);
/**
* \brief Draw some number of rectangles on the current rendering target.
@ -527,9 +531,11 @@ extern DECLSPEC int SDLCALL SDL_RenderDrawRect(const SDL_Rect * rect);
* \param rects A pointer to an array of destination rectangles.
* \param count The number of rectangles.
*
* \return 0 on success, or -1 if there is no rendering context current.
* \return 0 on success, or -1 on error
*/
extern DECLSPEC int SDLCALL SDL_RenderDrawRects(const SDL_Rect ** rects, int count);
extern DECLSPEC int SDLCALL SDL_RenderDrawRects(SDL_Renderer * renderer,
const SDL_Rect ** rects,
int count);
/**
* \brief Fill a rectangle on the current rendering target with the drawing color.
@ -537,9 +543,10 @@ extern DECLSPEC int SDLCALL SDL_RenderDrawRects(const SDL_Rect ** rects, int cou
* \param rect A pointer to the destination rectangle, or NULL for the entire
* rendering target.
*
* \return 0 on success, or -1 if there is no rendering context current.
* \return 0 on success, or -1 on error
*/
extern DECLSPEC int SDLCALL SDL_RenderFillRect(const SDL_Rect * rect);
extern DECLSPEC int SDLCALL SDL_RenderFillRect(SDL_Renderer * renderer,
const SDL_Rect * rect);
/**
* \brief Fill some number of rectangles on the current rendering target with the drawing color.
@ -547,9 +554,11 @@ extern DECLSPEC int SDLCALL SDL_RenderFillRect(const SDL_Rect * rect);
* \param rects A pointer to an array of destination rectangles.
* \param count The number of rectangles.
*
* \return 0 on success, or -1 if there is no rendering context current.
* \return 0 on success, or -1 on error
*/
extern DECLSPEC int SDLCALL SDL_RenderFillRects(const SDL_Rect ** rect, int count);
extern DECLSPEC int SDLCALL SDL_RenderFillRects(SDL_Renderer * renderer,
const SDL_Rect ** rect,
int count);
/**
* \brief Copy a portion of the texture to the current rendering target.
@ -560,10 +569,10 @@ extern DECLSPEC int SDLCALL SDL_RenderFillRects(const SDL_Rect ** rect, int coun
* \param dstrect A pointer to the destination rectangle, or NULL for the
* entire rendering target.
*
* \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 on error
*/
extern DECLSPEC int SDLCALL SDL_RenderCopy(SDL_Texture * texture,
extern DECLSPEC int SDLCALL SDL_RenderCopy(SDL_Renderer * renderer,
SDL_Texture * texture,
const SDL_Rect * srcrect,
const SDL_Rect * dstrect);
@ -581,7 +590,8 @@ extern DECLSPEC int SDLCALL SDL_RenderCopy(SDL_Texture * texture,
*
* \warning This is a very slow operation, and should not be used frequently.
*/
extern DECLSPEC int SDLCALL SDL_RenderReadPixels(const SDL_Rect * rect,
extern DECLSPEC int SDLCALL SDL_RenderReadPixels(SDL_Renderer * renderer,
const SDL_Rect * rect,
Uint32 format,
void *pixels, int pitch);
@ -599,7 +609,8 @@ extern DECLSPEC int SDLCALL SDL_RenderReadPixels(const SDL_Rect * rect,
*
* \warning This is a very slow operation, and should not be used frequently.
*/
extern DECLSPEC int SDLCALL SDL_RenderWritePixels(const SDL_Rect * rect,
extern DECLSPEC int SDLCALL SDL_RenderWritePixels(SDL_Renderer * renderer,
const SDL_Rect * rect,
Uint32 format,
const void *pixels,
int pitch);
@ -607,7 +618,7 @@ extern DECLSPEC int SDLCALL SDL_RenderWritePixels(const SDL_Rect * rect,
/**
* \brief Update the screen with rendering performed.
*/
extern DECLSPEC void SDLCALL SDL_RenderPresent(void);
extern DECLSPEC void SDLCALL SDL_RenderPresent(SDL_Renderer * renderer);
/**
* \brief Destroy the specified texture.
@ -623,7 +634,7 @@ extern DECLSPEC void SDLCALL SDL_DestroyTexture(SDL_Texture * texture);
*
* \sa SDL_CreateRenderer()
*/
extern DECLSPEC void SDLCALL SDL_DestroyRenderer(SDL_Window * window);
extern DECLSPEC void SDLCALL SDL_DestroyRenderer(SDL_Renderer * renderer);
/* Ends C function definitions when using C++ */

34
src/SDL_compat.c
View file

@ -31,7 +31,7 @@
#include "video/SDL_yuv_sw_c.h"
static SDL_Window *SDL_VideoWindow = NULL;
static SDL_RendererInfo SDL_VideoRendererInfo;
static SDL_Renderer *SDL_VideoRenderer = NULL;
static SDL_Texture *SDL_VideoTexture = NULL;
static SDL_Surface *SDL_VideoSurface = NULL;
static SDL_Surface *SDL_ShadowSurface = NULL;
@ -467,7 +467,8 @@ SDL_ResizeVideoMode(int width, int height, int bpp, Uint32 flags)
/* Destroy the screen texture and recreate it */
SDL_QueryTexture(SDL_VideoTexture, &format, &access, &w, &h);
SDL_DestroyTexture(SDL_VideoTexture);
SDL_VideoTexture = SDL_CreateTexture(format, access, width, height);
SDL_VideoTexture = SDL_CreateTexture(SDL_VideoRenderer, format,
access, width, height);
if (!SDL_VideoTexture) {
return -1;
}
@ -667,20 +668,20 @@ SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
}
/* Create a renderer for the window */
if (SDL_CreateRenderer(SDL_VideoWindow, -1, 0) < 0) {
SDL_VideoRenderer = SDL_CreateRenderer(SDL_VideoWindow, -1, 0);
if (!SDL_VideoRenderer) {
return NULL;
}
SDL_GetRendererInfo(&SDL_VideoRendererInfo);
/* Create a texture for the screen surface */
SDL_VideoTexture =
SDL_CreateTexture(desired_format, SDL_TEXTUREACCESS_STREAMING, width,
height);
SDL_VideoTexture = SDL_CreateTexture(SDL_VideoRenderer, desired_format,
SDL_TEXTUREACCESS_STREAMING,
width, height);
if (!SDL_VideoTexture) {
SDL_VideoTexture =
SDL_CreateTexture(desktop_format,
SDL_TEXTUREACCESS_STREAMING, width, height);
SDL_VideoTexture = SDL_CreateTexture(SDL_VideoRenderer, desktop_format,
SDL_TEXTUREACCESS_STREAMING,
width, height);
}
if (!SDL_VideoTexture) {
return NULL;
@ -890,8 +891,8 @@ SDL_UpdateRects(SDL_Surface * screen, int numrects, SDL_Rect * rects)
rect.y = 0;
rect.w = screen->w;
rect.h = screen->h;
SDL_RenderCopy(SDL_VideoTexture, &rect, &rect);
SDL_RenderPresent();
SDL_RenderCopy(SDL_VideoRenderer, SDL_VideoTexture, &rect, &rect);
SDL_RenderPresent(SDL_VideoRenderer);
}
}
@ -1584,7 +1585,8 @@ SDL_CreateYUVOverlay(int w, int h, Uint32 format, SDL_Surface * display)
}
overlay->hwdata->texture =
SDL_CreateTexture(texture_format, SDL_TEXTUREACCESS_STREAMING, w, h);
SDL_CreateTexture(SDL_VideoRenderer, texture_format,
SDL_TEXTUREACCESS_STREAMING, w, h);
if (overlay->hwdata->texture) {
overlay->hwdata->sw = NULL;
} else {
@ -1600,7 +1602,7 @@ SDL_CreateYUVOverlay(int w, int h, Uint32 format, SDL_Surface * display)
SDL_GetCurrentDisplayMode(&current_mode);
texture_format = current_mode.format;
overlay->hwdata->texture =
SDL_CreateTexture(texture_format,
SDL_CreateTexture(SDL_VideoRenderer, texture_format,
SDL_TEXTUREACCESS_STREAMING, w, h);
}
if (!overlay->hwdata->texture) {
@ -1688,10 +1690,10 @@ SDL_DisplayYUVOverlay(SDL_Overlay * overlay, SDL_Rect * dstrect)
SDL_SetError("Passed a NULL overlay or dstrect");
return -1;
}
if (SDL_RenderCopy(overlay->hwdata->texture, NULL, dstrect) < 0) {
if (SDL_RenderCopy(SDL_VideoRenderer, overlay->hwdata->texture, NULL, dstrect) < 0) {
return -1;
}
SDL_RenderPresent();
SDL_RenderPresent(SDL_VideoRenderer);
return 0;
}

1
src/events/SDL_windowevents.c
View file

@ -106,7 +106,6 @@ SDL_SendWindowEvent(SDL_Window * window, Uint8 windowevent, int data1,
}
window->w = data1;
window->h = data2;
SDL_OnWindowResized(window);
break;
case SDL_WINDOWEVENT_MINIMIZED:
if (window->flags & SDL_WINDOW_MINIMIZED) {

54
src/video/SDL_renderer_gl.c
View file

@ -66,8 +66,8 @@ bytes_per_pixel(const Uint32 format)
static const float inv255f = 1.0f / 255.0f;
static SDL_Renderer *GL_CreateRenderer(SDL_Window * window, Uint32 flags);
static int GL_ActivateRenderer(SDL_Renderer * renderer);
static int GL_DisplayModeChanged(SDL_Renderer * renderer);
static void GL_WindowEvent(SDL_Renderer * renderer,
const SDL_WindowEvent *event);
static int GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static int GL_QueryTexturePixels(SDL_Renderer * renderer,
SDL_Texture * texture, void **pixels,
@ -277,8 +277,7 @@ GL_CreateRenderer(SDL_Window * window, Uint32 flags)
return NULL;
}
renderer->ActivateRenderer = GL_ActivateRenderer;
renderer->DisplayModeChanged = GL_DisplayModeChanged;
renderer->WindowEvent = GL_WindowEvent;
renderer->CreateTexture = GL_CreateTexture;
renderer->QueryTexturePixels = GL_QueryTexturePixels;
renderer->SetTexturePalette = GL_SetTexturePalette;
@ -408,14 +407,19 @@ GL_CreateRenderer(SDL_Window * window, Uint32 flags)
return renderer;
}
static SDL_GLContext SDL_CurrentContext = NULL;
static int
GL_ActivateRenderer(SDL_Renderer * renderer)
{
GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
SDL_Window *window = renderer->window;
if (SDL_GL_MakeCurrent(window, data->context) < 0) {
return -1;
if (SDL_CurrentContext != data->context) {
if (SDL_GL_MakeCurrent(window, data->context) < 0) {
return -1;
}
SDL_CurrentContext = data->context;
}
if (data->updateSize) {
data->glMatrixMode(GL_PROJECTION);
@ -430,14 +434,16 @@ GL_ActivateRenderer(SDL_Renderer * renderer)
return 0;
}
static int
GL_DisplayModeChanged(SDL_Renderer * renderer)
static void
GL_WindowEvent(SDL_Renderer * renderer, const SDL_WindowEvent *event)
{
GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
/* Rebind the context to the window area and update matrices */
data->updateSize = SDL_TRUE;
return GL_ActivateRenderer(renderer);
if (event->event == SDL_WINDOWEVENT_RESIZED) {
/* Rebind the context to the window area and update matrices */
SDL_CurrentContext = NULL;
data->updateSize = SDL_TRUE;
}
}
static __inline__ int
@ -717,6 +723,8 @@ GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
GLuint shader = 0;
GLenum result;
GL_ActivateRenderer(renderer);
if (!convert_format(renderdata, texture->format, &internalFormat,
&format, &type)) {
SDL_SetError("Texture format %s not supported by OpenGL",
@ -874,6 +882,8 @@ GL_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
GL_TextureData *data = (GL_TextureData *) texture->driverdata;
Uint8 *palette;
GL_ActivateRenderer(renderer);
if (!data->palette) {
SDL_SetError("Texture doesn't have a palette");
return -1;
@ -938,6 +948,8 @@ GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
GL_TextureData *data = (GL_TextureData *) texture->driverdata;
GLenum result;
GL_ActivateRenderer(renderer);
renderdata->glGetError();
SetupTextureUpdate(renderdata, texture, pitch);
renderdata->glEnable(data->type);
@ -1018,6 +1030,8 @@ GL_RenderClear(SDL_Renderer * renderer)
{
GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
GL_ActivateRenderer(renderer);
data->glClearColor((GLfloat) renderer->r * inv255f,
(GLfloat) renderer->g * inv255f,
(GLfloat) renderer->b * inv255f,
@ -1035,6 +1049,8 @@ GL_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
int i;
GL_ActivateRenderer(renderer);
GL_SetBlendMode(data, renderer->blendMode);
data->glColor4f((GLfloat) renderer->r * inv255f,
@ -1058,6 +1074,8 @@ GL_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
int i;
GL_ActivateRenderer(renderer);
GL_SetBlendMode(data, renderer->blendMode);
data->glColor4f((GLfloat) renderer->r * inv255f,
@ -1126,6 +1144,8 @@ GL_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
int i, x, y;
GL_ActivateRenderer(renderer);
GL_SetBlendMode(data, renderer->blendMode);
data->glColor4f((GLfloat) renderer->r * inv255f,
@ -1164,6 +1184,8 @@ GL_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
int i;
GL_ActivateRenderer(renderer);
GL_SetBlendMode(data, renderer->blendMode);
data->glColor4f((GLfloat) renderer->r * inv255f,
@ -1189,6 +1211,8 @@ GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
int minx, miny, maxx, maxy;
GLfloat minu, maxu, minv, maxv;
GL_ActivateRenderer(renderer);
if (texturedata->dirty.list) {
SDL_DirtyRect *dirty;
void *pixels;
@ -1276,6 +1300,8 @@ GL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
Uint8 *src, *dst, *tmp;
int length, rows;
GL_ActivateRenderer(renderer);
if (!convert_format(data, pixel_format, &internalFormat, &format, &type)) {
/* FIXME: Do a temp copy to a format that is supported */
SDL_SetError("Unsupported pixel format");
@ -1323,6 +1349,8 @@ GL_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
Uint8 *src, *dst, *tmp;
int length, rows;
GL_ActivateRenderer(renderer);
if (!convert_format(data, pixel_format, &internalFormat, &format, &type)) {
/* FIXME: Do a temp copy to a format that is supported */
SDL_SetError("Unsupported pixel format");
@ -1360,6 +1388,8 @@ GL_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
static void
GL_RenderPresent(SDL_Renderer * renderer)
{
GL_ActivateRenderer(renderer);
SDL_GL_SwapWindow(renderer->window);
}
@ -1369,6 +1399,8 @@ GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
GL_TextureData *data = (GL_TextureData *) texture->driverdata;
GL_ActivateRenderer(renderer);
if (!data) {
return;
}

45
src/video/SDL_renderer_gles.c
View file

@ -54,8 +54,8 @@ glDrawTexiOES(GLint x, GLint y, GLint z, GLint width, GLint height)
static const float inv255f = 1.0f / 255.0f;
static SDL_Renderer *GLES_CreateRenderer(SDL_Window * window, Uint32 flags);
static int GLES_ActivateRenderer(SDL_Renderer * renderer);
static int GLES_DisplayModeChanged(SDL_Renderer * renderer);
static void GLES_WindowEvent(SDL_Renderer * renderer,
const SDL_WindowEvent *event);
static int GLES_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static int GLES_QueryTexturePixels(SDL_Renderer * renderer,
SDL_Texture * texture, void **pixels,
@ -218,8 +218,7 @@ GLES_CreateRenderer(SDL_Window * window, Uint32 flags)
return NULL;
}
renderer->ActivateRenderer = GLES_ActivateRenderer;
renderer->DisplayModeChanged = GLES_DisplayModeChanged;
renderer->WindowEvent = GLES_WindowEvent;
renderer->CreateTexture = GLES_CreateTexture;
renderer->QueryTexturePixels = GLES_QueryTexturePixels;
renderer->SetTexturePalette = GLES_SetTexturePalette;
@ -311,6 +310,8 @@ GLES_CreateRenderer(SDL_Window * window, Uint32 flags)
return renderer;
}
static SDL_GLContext SDL_CurrentContext = NULL;
static int
GLES_ActivateRenderer(SDL_Renderer * renderer)
{
@ -318,8 +319,11 @@ GLES_ActivateRenderer(SDL_Renderer * renderer)
GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
SDL_Window *window = renderer->window;
if (SDL_GL_MakeCurrent(window, data->context) < 0) {
return -1;
if (SDL_CurrentContext != data->context) {
if (SDL_GL_MakeCurrent(window, data->context) < 0) {
return -1;
}
SDL_CurrentContext = data->context;
}
if (data->updateSize) {
data->glMatrixMode(GL_PROJECTION);
@ -334,13 +338,16 @@ GLES_ActivateRenderer(SDL_Renderer * renderer)
return 0;
}
static int
GLES_DisplayModeChanged(SDL_Renderer * renderer)
static void
GLES_WindowEvent(SDL_Renderer * renderer, const SDL_WindowEvent *event)
{
GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
data->updateSize = SDL_TRUE;
return 0;
if (event->event == SDL_WINDOWEVENT_RESIZED) {
/* Rebind the context to the window area and update matrices */
SDL_CurrentContext = NULL;
data->updateSize = SDL_TRUE;
}
}
static __inline__ int
@ -364,6 +371,8 @@ GLES_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
int texture_w, texture_h;
GLenum result;
GLES_ActivateRenderer(renderer);
switch (texture->format) {
case SDL_PIXELFORMAT_RGB24:
internalFormat = GL_RGB;
@ -498,6 +507,8 @@ GLES_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
void * temp_ptr;
int i;
GLES_ActivateRenderer(renderer);
renderdata->glGetError();
renderdata->glEnable(data->type);
SetupTextureUpdate(renderdata, texture, pitch);
@ -599,6 +610,8 @@ GLES_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
int i;
GLshort *vertices;
GLES_ActivateRenderer(renderer);
GLES_SetBlendMode(data, renderer->blendMode);
data->glColor4f((GLfloat) renderer->r * inv255f,
@ -626,6 +639,8 @@ GLES_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
int i;
GLshort *vertices;
GLES_ActivateRenderer(renderer);
GLES_SetBlendMode(data, renderer->blendMode);
data->glColor4f((GLfloat) renderer->r * inv255f,
@ -659,6 +674,8 @@ GLES_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
int i;
GLES_ActivateRenderer(renderer);
GLES_SetBlendMode(data, renderer->blendMode);
data->glColor4f((GLfloat) renderer->r * inv255f,
@ -696,6 +713,8 @@ GLES_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
int i;
GLES_ActivateRenderer(renderer);
GLES_SetBlendMode(data, renderer->blendMode);
data->glColor4f((GLfloat) renderer->r * inv255f,
@ -739,6 +758,8 @@ GLES_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
void *temp_buffer; /* used for reformatting dirty rect pixels */
void *temp_ptr;
GLES_ActivateRenderer(renderer);
data->glEnable(GL_TEXTURE_2D);
if (texturedata->dirty.list) {
@ -859,6 +880,8 @@ GLES_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
static void
GLES_RenderPresent(SDL_Renderer * renderer)
{
GLES_ActivateRenderer(renderer);
SDL_GL_SwapWindow(renderer->window);
}
@ -867,6 +890,8 @@ GLES_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
GLES_ActivateRenderer(renderer);
if (!data) {
return;
}

78
src/video/SDL_renderer_sw.c
View file

@ -32,8 +32,8 @@
/* SDL surface based renderer implementation */
static SDL_Renderer *SW_CreateRenderer(SDL_Window * window, Uint32 flags);
static int SW_ActivateRenderer(SDL_Renderer * renderer);
static int SW_DisplayModeChanged(SDL_Renderer * renderer);
static void SW_WindowEvent(SDL_Renderer * renderer,
const SDL_WindowEvent *event);
static int SW_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static int SW_QueryTexturePixels(SDL_Renderer * renderer,
SDL_Texture * texture, void **pixels,
@ -212,8 +212,7 @@ SW_CreateRenderer(SDL_Window * window, Uint32 flags)
SDL_OutOfMemory();
return NULL;
}
renderer->ActivateRenderer = SW_ActivateRenderer;
renderer->DisplayModeChanged = SW_DisplayModeChanged;
renderer->WindowEvent = SW_WindowEvent;
renderer->RenderDrawPoints = SW_RenderDrawPoints;
renderer->RenderDrawLines = SW_RenderDrawLines;
@ -287,47 +286,34 @@ SW_CreateRenderer(SDL_Window * window, Uint32 flags)
return renderer;
}
static int
static SDL_Texture *
SW_ActivateRenderer(SDL_Renderer * renderer)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
SDL_Window *window = renderer->window;
int i, n;
if (data->renderer && data->renderer->ActivateRenderer) {
if (data->renderer->ActivateRenderer(data->renderer) < 0) {
return -1;
}
}
if (data->updateSize) {
/* Recreate the textures for the new window size */
if (data->texture) {
DestroyTexture(data->renderer, data->texture);
data->texture = 0;
}
data->texture = CreateTexture(data->renderer, data->format,
window->w, window->h);
if (!data->texture) {
return -1;
if (data->texture) {
data->updateSize = SDL_FALSE;
}
data->updateSize = SDL_FALSE;
}
return 0;
return data->texture;
}
static int
SW_DisplayModeChanged(SDL_Renderer * renderer)
static void
SW_WindowEvent(SDL_Renderer * renderer, const SDL_WindowEvent *event)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
if (data->renderer && data->renderer->DisplayModeChanged) {
if (data->renderer->DisplayModeChanged(data->renderer) < 0) {
return -1;
}
if (event->event == SDL_WINDOWEVENT_RESIZED) {
data->updateSize = SDL_TRUE;
}
/* Rebind the context to the window area */
data->updateSize = SDL_TRUE;
return SW_ActivateRenderer(renderer);
}
static int
@ -496,12 +482,16 @@ SW_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
SDL_Texture *texture = data->texture;
SDL_Texture *texture = SW_ActivateRenderer(renderer);
SDL_Rect rect;
int i;
int x, y;
int status = 0;
if (!texture) {
return -1;
}
/* Get the smallest rectangle that contains everything */
rect.x = 0;
rect.y = 0;
@ -555,12 +545,16 @@ SW_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
SDL_Texture *texture = data->texture;
SDL_Texture *texture = SW_ActivateRenderer(renderer);
SDL_Rect clip, rect;
int i;
int x1, y1, x2, y2;
int status = 0;
if (!texture) {
return -1;
}
/* Get the smallest rectangle that contains everything */
clip.x = 0;
clip.y = 0;
@ -619,12 +613,16 @@ SW_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
int count)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
SDL_Texture *texture = data->texture;
SDL_Texture *texture = SW_ActivateRenderer(renderer);
SDL_Rect clip, rect;
Uint32 color = 0;
int i;
int status = 0;
if (!texture) {
return -1;
}
clip.x = 0;
clip.y = 0;
clip.w = texture->w;
@ -671,12 +669,16 @@ SW_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
int count)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
SDL_Texture *texture = data->texture;
SDL_Texture *texture = SW_ActivateRenderer(renderer);
SDL_Rect clip, rect;
Uint32 color = 0;
int i;
int status = 0;
if (!texture) {
return -1;
}
clip.x = 0;
clip.y = 0;
clip.w = texture->w;
@ -724,6 +726,10 @@ SW_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
int status;
if (!SW_ActivateRenderer(renderer)) {
return -1;
}
if (data->renderer->LockTexture(data->renderer, data->texture,
dstrect, 1, &data->surface.pixels,
&data->surface.pitch) < 0) {
@ -760,6 +766,10 @@ SW_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
if (!SW_ActivateRenderer(renderer)) {
return -1;
}
if (data->renderer->LockTexture(data->renderer, data->texture,
rect, 0, &data->surface.pixels,
&data->surface.pitch) < 0) {
@ -780,6 +790,10 @@ SW_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
if (!SW_ActivateRenderer(renderer)) {
return -1;
}
if (data->renderer->LockTexture(data->renderer, data->texture,
rect, 1, &data->surface.pixels,
&data->surface.pitch) < 0) {
@ -797,9 +811,13 @@ static void
SW_RenderPresent(SDL_Renderer * renderer)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
SDL_Texture *texture = data->texture;
SDL_Texture *texture = SW_ActivateRenderer(renderer);
SDL_Rect rect;
if (!texture) {
return;
}
/* Send the data to the display */
rect.x = 0;
rect.y = 0;

13
src/video/SDL_sysvideo.h
View file

@ -24,6 +24,7 @@
#ifndef _SDL_sysvideo_h
#define _SDL_sysvideo_h
#include "SDL_events.h"
#include "SDL_mouse.h"
#include "SDL_keysym.h"
#include "SDL_render.h"
@ -31,7 +32,6 @@
/* The SDL video driver */
typedef struct SDL_Renderer SDL_Renderer;
typedef struct SDL_RenderDriver SDL_RenderDriver;
typedef struct SDL_WindowShaper SDL_WindowShaper;
typedef struct SDL_ShapeDriver SDL_ShapeDriver;
@ -61,8 +61,9 @@ struct SDL_Texture
/* Define the SDL renderer structure */
struct SDL_Renderer
{
int (*ActivateRenderer) (SDL_Renderer * renderer);
int (*DisplayModeChanged) (SDL_Renderer * renderer);
const void *magic;
void (*WindowEvent) (SDL_Renderer * renderer, const SDL_WindowEvent *event);
int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
int (*QueryTexturePixels) (SDL_Renderer * renderer, SDL_Texture * texture,
void **pixels, int *pitch);
@ -168,7 +169,6 @@ struct SDL_Window
Uint32 flags;
SDL_VideoDisplay *display;
SDL_Renderer *renderer;
SDL_DisplayMode fullscreen_mode;
@ -208,8 +208,6 @@ struct SDL_VideoDisplay
SDL_Window *windows;
SDL_Window *fullscreen_window;
SDL_Renderer *current_renderer;
SDL_VideoDevice *device;
void *driverdata;
@ -344,6 +342,7 @@ struct SDL_VideoDevice
SDL_VideoDisplay *displays;
int current_display;
Uint8 window_magic;
Uint8 renderer_magic;
Uint8 texture_magic;
Uint32 next_object_id;
char * clipboard_text;
@ -439,7 +438,6 @@ extern VideoBootStrap Android_bootstrap;
#endif
#define SDL_CurrentDisplay (&_this->displays[_this->current_display])
#define SDL_CurrentRenderer (SDL_CurrentDisplay->current_renderer)
extern SDL_VideoDevice *SDL_GetVideoDevice(void);
extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode);
@ -461,7 +459,6 @@ extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags);
extern void SDL_OnWindowShown(SDL_Window * window);
extern void SDL_OnWindowHidden(SDL_Window * window);
extern void SDL_OnWindowResized(SDL_Window * window);
extern void SDL_OnWindowMinimized(SDL_Window * window);
extern void SDL_OnWindowRestored(SDL_Window * window);
extern void SDL_OnWindowFocusGained(SDL_Window * window);

344
src/video/SDL_video.c
View file

@ -109,6 +109,12 @@ static SDL_VideoDevice *_this = NULL;
return retval; \
}
#define CHECK_RENDERER_MAGIC(renderer, retval) \
if (!renderer || renderer->magic != &_this->renderer_magic) { \
SDL_SetError("Invalid renderer"); \
return retval; \
}
#define CHECK_TEXTURE_MAGIC(texture, retval) \
if (!_this) { \
SDL_UninitializedVideo(); \
@ -1023,33 +1029,6 @@ SDL_RecreateWindow(SDL_Window * window, Uint32 flags)
return 0;
}
static __inline__ SDL_Renderer *
SDL_GetCurrentRenderer(SDL_bool create)
{
if (!_this) {
SDL_UninitializedVideo();
return NULL;
}
if (!SDL_CurrentRenderer) {
SDL_Window *window = NULL;
if (!create) {
SDL_SetError("Use SDL_CreateRenderer() to create a renderer");
return NULL;
}
/* Get the first window on the first display */
if (_this->num_displays > 0) {
window = _this->displays[0].windows;
}
if (SDL_CreateRenderer(window, -1, 0) < 0) {
return NULL;
}
}
return SDL_CurrentRenderer;
}
Uint32
SDL_GetWindowID(SDL_Window * window)
{
@ -1184,7 +1163,7 @@ SDL_SetWindowSize(SDL_Window * window, int w, int h)
if (_this->SetWindowSize) {
_this->SetWindowSize(_this, window);
}
SDL_OnWindowResized(window);
SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, w, h);
}
void
@ -1366,16 +1345,6 @@ SDL_OnWindowHidden(SDL_Window * window)
SDL_UpdateFullscreenMode(window, SDL_FALSE);
}
void
SDL_OnWindowResized(SDL_Window * window)
{
SDL_Renderer *renderer = window->renderer;
if (renderer && renderer->DisplayModeChanged) {
renderer->DisplayModeChanged(renderer);
}
}
void
SDL_OnWindowMinimized(SDL_Window * window)
{
@ -1451,9 +1420,6 @@ SDL_DestroyWindow(SDL_Window * window)
if (window->title) {
SDL_free(window->title);
}
if (window->renderer) {
SDL_DestroyRenderer(window);
}
/* Restore video mode, etc. */
SDL_UpdateFullscreenMode(window, SDL_FALSE);
@ -1523,13 +1489,26 @@ SDL_GetRenderDriverInfo(int index, SDL_RendererInfo * info)
return 0;
}
int
static int
SDL_RendererEventWatch(void *userdata, SDL_Event *event)
{
SDL_Renderer *renderer = (SDL_Renderer *)userdata;
if (event->type == SDL_WINDOWEVENT && renderer->WindowEvent) {
SDL_Window *window = SDL_GetWindowFromID(event->window.windowID);
if (window == renderer->window) {
renderer->WindowEvent(renderer, &event->window);
}
}
return 0;
}
SDL_Renderer *
SDL_CreateRenderer(SDL_Window * window, int index, Uint32 flags)
{
CHECK_WINDOW_MAGIC(window, -1);
SDL_Renderer *renderer = NULL;
/* Free any existing renderer */
SDL_DestroyRenderer(window);
CHECK_WINDOW_MAGIC(window, NULL);
if (index < 0) {
char *override = SDL_getenv("SDL_VIDEO_RENDERER");
@ -1552,7 +1531,7 @@ SDL_CreateRenderer(SDL_Window * window, int index, Uint32 flags)
if (SDL_strcasecmp(override, driver->info.name) == 0) {
/* Create a new renderer instance */
window->renderer = driver->CreateRenderer(window, flags);
renderer = driver->CreateRenderer(window, flags);
break;
}
}
@ -1563,8 +1542,8 @@ SDL_CreateRenderer(SDL_Window * window, int index, Uint32 flags)
if ((driver->info.flags & flags) == flags) {
/* Create a new renderer instance */
window->renderer = driver->CreateRenderer(window, flags);
if (window->renderer) {
renderer = driver->CreateRenderer(window, flags);
if (renderer) {
/* Yay, we got one! */
break;
}
@ -1573,74 +1552,42 @@ SDL_CreateRenderer(SDL_Window * window, int index, Uint32 flags)
}
if (index == n) {
SDL_SetError("Couldn't find matching render driver");
return -1;
return NULL;
}
} else {
if (index >= SDL_GetNumRenderDrivers()) {
SDL_SetError("index must be -1 or in the range of 0 - %d",
SDL_GetNumRenderDrivers() - 1);
return -1;
return NULL;
}
/* Create a new renderer instance */
window->renderer = SDL_CurrentDisplay->render_drivers[index].CreateRenderer(window, flags);
renderer = SDL_CurrentDisplay->render_drivers[index].CreateRenderer(window, flags);
}
if (window->renderer == NULL) {
/* Assuming renderer set its error */
return -1;
if (renderer) {
renderer->magic = &_this->renderer_magic;
SDL_AddEventWatch(SDL_RendererEventWatch, renderer);
}
SDL_SelectRenderer(window);
return 0;
return renderer;
}
int
SDL_SelectRenderer(SDL_Window * window)
SDL_GetRendererInfo(SDL_Renderer * renderer, SDL_RendererInfo * info)
{
SDL_Renderer *renderer;
CHECK_RENDERER_MAGIC(renderer, -1);
CHECK_WINDOW_MAGIC(window, -1);
renderer = window->renderer;
if (!renderer) {
SDL_SetError("Use SDL_CreateRenderer() to create a renderer");
return -1;
}
if (renderer->ActivateRenderer) {
if (renderer->ActivateRenderer(renderer) < 0) {
return -1;
}
}
SDL_CurrentDisplay->current_renderer = renderer;
return 0;
}
int
SDL_GetRendererInfo(SDL_RendererInfo * info)
{
SDL_Renderer *renderer = SDL_GetCurrentRenderer(SDL_FALSE);
if (!renderer) {
return -1;
}
*info = renderer->info;
return 0;
}
SDL_Texture *
SDL_CreateTexture(Uint32 format, int access, int w, int h)
SDL_CreateTexture(SDL_Renderer * renderer, Uint32 format, int access, int w, int h)
{
SDL_Renderer *renderer;
SDL_Texture *texture;
renderer = SDL_GetCurrentRenderer(SDL_TRUE);
if (!renderer) {
return 0;
}
if (!renderer->CreateTexture) {
SDL_Unsupported();
return 0;
}
CHECK_RENDERER_MAGIC(renderer, NULL);
if (w <= 0 || h <= 0) {
SDL_SetError("Texture dimensions can't be 0");
return 0;
@ -1674,26 +1621,22 @@ SDL_CreateTexture(Uint32 format, int access, int w, int h)
}
SDL_Texture *
SDL_CreateTextureFromSurface(Uint32 format, SDL_Surface * surface)
SDL_CreateTextureFromSurface(SDL_Renderer * renderer, Uint32 format, SDL_Surface * surface)
{
SDL_Texture *texture;
Uint32 requested_format = format;
SDL_PixelFormat *fmt;
SDL_Renderer *renderer;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
CHECK_RENDERER_MAGIC(renderer, NULL);
if (!surface) {
SDL_SetError("SDL_CreateTextureFromSurface() passed NULL surface");
return 0;
return NULL;
}
fmt = surface->format;
renderer = SDL_GetCurrentRenderer(SDL_TRUE);
if (!renderer) {
return 0;
}
if (format) {
if (!SDL_PixelFormatEnumToMasks
(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
@ -1902,15 +1845,14 @@ SDL_CreateTextureFromSurface(Uint32 format, SDL_Surface * surface)
}
texture =
SDL_CreateTexture(format, SDL_TEXTUREACCESS_STATIC, surface->w,
surface->h);
SDL_CreateTexture(renderer, format, SDL_TEXTUREACCESS_STATIC,
surface->w, surface->h);
if (!texture && !requested_format) {
SDL_DisplayMode desktop_mode;
SDL_GetDesktopDisplayMode(&desktop_mode);
format = desktop_mode.format;
texture =
SDL_CreateTexture(format, SDL_TEXTUREACCESS_STATIC, surface->w,
surface->h);
texture = SDL_CreateTexture(renderer, format, SDL_TEXTUREACCESS_STATIC,
surface->w, surface->h);
}
if (!texture) {
return 0;
@ -2246,14 +2188,11 @@ SDL_DirtyTexture(SDL_Texture * texture, int numrects,
}
int
SDL_SetRenderDrawColor(Uint8 r, Uint8 g, Uint8 b, Uint8 a)
SDL_SetRenderDrawColor(SDL_Renderer * renderer,
Uint8 r, Uint8 g, Uint8 b, Uint8 a)
{
SDL_Renderer *renderer;
CHECK_RENDERER_MAGIC(renderer, -1);
renderer = SDL_GetCurrentRenderer(SDL_TRUE);
if (!renderer) {
return -1;
}
renderer->r = r;
renderer->g = g;
renderer->b = b;
@ -2262,14 +2201,11 @@ SDL_SetRenderDrawColor(Uint8 r, Uint8 g, Uint8 b, Uint8 a)
}
int
SDL_GetRenderDrawColor(Uint8 * r, Uint8 * g, Uint8 * b, Uint8 * a)
SDL_GetRenderDrawColor(SDL_Renderer * renderer,
Uint8 * r, Uint8 * g, Uint8 * b, Uint8 * a)
{
SDL_Renderer *renderer;
CHECK_RENDERER_MAGIC(renderer, -1);
renderer = SDL_GetCurrentRenderer(SDL_TRUE);
if (!renderer) {
return -1;
}
if (r) {
*r = renderer->r;
}
@ -2286,52 +2222,40 @@ SDL_GetRenderDrawColor(Uint8 * r, Uint8 * g, Uint8 * b, Uint8 * a)
}
int
SDL_SetRenderDrawBlendMode(SDL_BlendMode blendMode)
SDL_SetRenderDrawBlendMode(SDL_Renderer * renderer, SDL_BlendMode blendMode)
{
SDL_Renderer *renderer;
CHECK_RENDERER_MAGIC(renderer, -1);
renderer = SDL_GetCurrentRenderer(SDL_TRUE);
if (!renderer) {
return -1;
}
renderer->blendMode = blendMode;
return 0;
}
int
SDL_GetRenderDrawBlendMode(SDL_BlendMode *blendMode)
SDL_GetRenderDrawBlendMode(SDL_Renderer * renderer, SDL_BlendMode *blendMode)
{
SDL_Renderer *renderer;
CHECK_RENDERER_MAGIC(renderer, -1);
renderer = SDL_GetCurrentRenderer(SDL_TRUE);
if (!renderer) {
return -1;
}
*blendMode = renderer->blendMode;
return 0;
}
int
SDL_RenderClear()
SDL_RenderClear(SDL_Renderer * renderer)
{
SDL_Renderer *renderer;
CHECK_RENDERER_MAGIC(renderer, -1);
renderer = SDL_GetCurrentRenderer(SDL_TRUE);
if (!renderer) {
return -1;
}
if (!renderer->RenderClear) {
SDL_BlendMode blendMode = renderer->blendMode;
int status;
if (blendMode >= SDL_BLENDMODE_BLEND) {
SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE);
}
status = SDL_RenderFillRect(NULL);
status = SDL_RenderFillRect(renderer, NULL);
if (blendMode >= SDL_BLENDMODE_BLEND) {
SDL_SetRenderDrawBlendMode(blendMode);
SDL_SetRenderDrawBlendMode(renderer, blendMode);
}
return status;
}
@ -2339,33 +2263,25 @@ SDL_RenderClear()
}
int
SDL_RenderDrawPoint(int x, int y)
SDL_RenderDrawPoint(SDL_Renderer * renderer, int x, int y)
{
SDL_Point point;
point.x = x;
point.y = y;
return SDL_RenderDrawPoints(&point, 1);
return SDL_RenderDrawPoints(renderer, &point, 1);
}
int
SDL_RenderDrawPoints(const SDL_Point * points, int count)
SDL_RenderDrawPoints(SDL_Renderer * renderer,
const SDL_Point * points, int count)
{
SDL_Renderer *renderer;
CHECK_RENDERER_MAGIC(renderer, -1);
if (!points) {
SDL_SetError("SDL_RenderDrawPoints(): Passed NULL points");
return -1;
}
renderer = SDL_GetCurrentRenderer(SDL_TRUE);
if (!renderer) {
return -1;
}
if (!renderer->RenderDrawPoints) {
SDL_Unsupported();
return -1;
}
if (count < 1) {
return 0;
}
@ -2373,7 +2289,7 @@ SDL_RenderDrawPoints(const SDL_Point * points, int count)
}
int
SDL_RenderDrawLine(int x1, int y1, int x2, int y2)
SDL_RenderDrawLine(SDL_Renderer * renderer, int x1, int y1, int x2, int y2)
{
SDL_Point points[2];
@ -2381,27 +2297,19 @@ SDL_RenderDrawLine(int x1, int y1, int x2, int y2)
points[0].y = y1;
points[1].x = x2;
points[1].y = y2;
return SDL_RenderDrawLines(points, 2);
return SDL_RenderDrawLines(renderer, points, 2);
}
int
SDL_RenderDrawLines(const SDL_Point * points, int count)
SDL_RenderDrawLines(SDL_Renderer * renderer,
const SDL_Point * points, int count)
{
SDL_Renderer *renderer;
CHECK_RENDERER_MAGIC(renderer, -1);
if (!points) {
SDL_SetError("SDL_RenderDrawLines(): Passed NULL points");
return -1;
}
renderer = SDL_GetCurrentRenderer(SDL_TRUE);
if (!renderer) {
return -1;
}
if (!renderer->RenderDrawLines) {
SDL_Unsupported();
return -1;
}
if (count < 2) {
return 0;
}
@ -2409,33 +2317,27 @@ SDL_RenderDrawLines(const SDL_Point * points, int count)
}
int
SDL_RenderDrawRect(const SDL_Rect * rect)
SDL_RenderDrawRect(SDL_Renderer * renderer, const SDL_Rect * rect)
{
return SDL_RenderDrawRects(&rect, 1);
return SDL_RenderDrawRects(renderer, &rect, 1);
}
int
SDL_RenderDrawRects(const SDL_Rect ** rects, int count)
SDL_RenderDrawRects(SDL_Renderer * renderer,
const SDL_Rect ** rects, int count)
{
SDL_Renderer *renderer;
int i;
CHECK_RENDERER_MAGIC(renderer, -1);
if (!rects) {
SDL_SetError("SDL_RenderDrawRects(): Passed NULL rects");
return -1;
}
renderer = SDL_GetCurrentRenderer(SDL_TRUE);
if (!renderer) {
return -1;
}
if (!renderer->RenderDrawRects) {
SDL_Unsupported();
return -1;
}
if (count < 1) {
return 0;
}
/* Check for NULL rect, which means fill entire window */
for (i = 0; i < count; ++i) {
if (rects[i] == NULL) {
@ -2455,33 +2357,27 @@ SDL_RenderDrawRects(const SDL_Rect ** rects, int count)
}
int
SDL_RenderFillRect(const SDL_Rect * rect)
SDL_RenderFillRect(SDL_Renderer * renderer, const SDL_Rect * rect)
{
return SDL_RenderFillRects(&rect, 1);
return SDL_RenderFillRects(renderer, &rect, 1);
}
int
SDL_RenderFillRects(const SDL_Rect ** rects, int count)
SDL_RenderFillRects(SDL_Renderer * renderer,
const SDL_Rect ** rects, int count)
{
SDL_Renderer *renderer;
int i;
CHECK_RENDERER_MAGIC(renderer, -1);
if (!rects) {
SDL_SetError("SDL_RenderFillRects(): Passed NULL rects");
return -1;
}
renderer = SDL_GetCurrentRenderer(SDL_TRUE);
if (!renderer) {
return -1;
}
if (!renderer->RenderFillRects) {
SDL_Unsupported();
return -1;
}
if (count < 1) {
return 0;
}
/* Check for NULL rect, which means fill entire window */
for (i = 0; i < count; ++i) {
if (rects[i] == NULL) {
@ -2501,28 +2397,20 @@ SDL_RenderFillRects(const SDL_Rect ** rects, int count)
}
int
SDL_RenderCopy(SDL_Texture * texture, const SDL_Rect * srcrect,
const SDL_Rect * dstrect)
SDL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
{
SDL_Renderer *renderer;
SDL_Window *window;
SDL_Rect real_srcrect;
SDL_Rect real_dstrect;
CHECK_RENDERER_MAGIC(renderer, -1);
CHECK_TEXTURE_MAGIC(texture, -1);
renderer = SDL_GetCurrentRenderer(SDL_TRUE);
if (!renderer) {
return -1;
}
if (texture->renderer != renderer) {
if (renderer != texture->renderer) {
SDL_SetError("Texture was not created with this renderer");
return -1;
}
if (!renderer->RenderCopy) {
SDL_Unsupported();
return -1;
}
window = renderer->window;
real_srcrect.x = 0;
@ -2563,17 +2451,14 @@ SDL_RenderCopy(SDL_Texture * texture, const SDL_Rect * srcrect,
}
int
SDL_RenderReadPixels(const SDL_Rect * rect, Uint32 format,
void * pixels, int pitch)
SDL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
Uint32 format, void * pixels, int pitch)
{
SDL_Renderer *renderer;
SDL_Window *window;
SDL_Rect real_rect;
renderer = SDL_GetCurrentRenderer(SDL_TRUE);
if (!renderer) {
return -1;
}
CHECK_RENDERER_MAGIC(renderer, -1);
if (!renderer->RenderReadPixels) {
SDL_Unsupported();
return -1;
@ -2607,17 +2492,14 @@ SDL_RenderReadPixels(const SDL_Rect * rect, Uint32 format,
}
int
SDL_RenderWritePixels(const SDL_Rect * rect, Uint32 format,
const void * pixels, int pitch)
SDL_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
Uint32 format, const void * pixels, int pitch)
{
SDL_Renderer *renderer;
SDL_Window *window;
SDL_Rect real_rect;
renderer = SDL_GetCurrentRenderer(SDL_TRUE);
if (!renderer) {
return -1;
}
CHECK_RENDERER_MAGIC(renderer, -1);
if (!renderer->RenderWritePixels) {
SDL_Unsupported();
return -1;
@ -2651,14 +2533,10 @@ SDL_RenderWritePixels(const SDL_Rect * rect, Uint32 format,
}
void
SDL_RenderPresent(void)
SDL_RenderPresent(SDL_Renderer * renderer)
{
SDL_Renderer *renderer;
CHECK_RENDERER_MAGIC(renderer, );
renderer = SDL_GetCurrentRenderer(SDL_TRUE);
if (!renderer || !renderer->RenderPresent) {
return;
}
#if SDL_VIDEO_DRIVER_WINDOWS
IME_Present((SDL_VideoData *)_this->driverdata);
#endif
@ -2688,30 +2566,22 @@ SDL_DestroyTexture(SDL_Texture * texture)
}
void
SDL_DestroyRenderer(SDL_Window * window)
SDL_DestroyRenderer(SDL_Renderer * renderer)
{
SDL_Renderer *renderer;
CHECK_RENDERER_MAGIC(renderer, );
CHECK_WINDOW_MAGIC(window, );
renderer = window->renderer;
if (!renderer) {
return;
}
SDL_DelEventWatch(SDL_RendererEventWatch, renderer);
/* Free existing textures for this renderer */
while (renderer->textures) {
SDL_DestroyTexture(renderer->textures);
}
/* It's no longer magical... */
renderer->magic = NULL;
/* Free the renderer instance */
renderer->DestroyRenderer(renderer);
/* Clear references */
window->renderer = NULL;
if (SDL_CurrentDisplay->current_renderer == renderer) {
SDL_CurrentDisplay->current_renderer = NULL;
}
}
SDL_bool

31
test/common.c
View file

@ -646,7 +646,10 @@ CommonInit(CommonState * state)
state->windows =
(SDL_Window **) SDL_malloc(state->num_windows *
sizeof(*state->windows));
if (!state->windows) {
state->renderers =
(SDL_Renderer **) SDL_malloc(state->num_windows *
sizeof(*state->renderers));
if (!state->windows || !state->renderers) {
fprintf(stderr, "Out of memory!\n");
return SDL_FALSE;
}
@ -685,6 +688,8 @@ CommonInit(CommonState * state)
SDL_ShowWindow(state->windows[i]);
state->renderers[i] = NULL;
if (!state->skip_renderer
&& (state->renderdriver
|| !(state->window_flags & SDL_WINDOW_OPENGL))) {
@ -707,8 +712,9 @@ CommonInit(CommonState * state)
return SDL_FALSE;
}
}
if (SDL_CreateRenderer
(state->windows[i], m, state->render_flags) < 0) {
state->renderers[i] = SDL_CreateRenderer(state->windows[i],
m, state->render_flags);
if (!state->renderers[i]) {
fprintf(stderr, "Couldn't create renderer: %s\n",
SDL_GetError());
return SDL_FALSE;
@ -717,12 +723,11 @@ CommonInit(CommonState * state)
SDL_RendererInfo info;
fprintf(stderr, "Current renderer:\n");
SDL_GetRendererInfo(&info);
SDL_GetRendererInfo(state->renderers[i], &info);
PrintRenderer(&info);
}
}
}
SDL_SelectRenderer(state->windows[0]);
}
if (state->flags & SDL_INIT_AUDIO) {
@ -1012,15 +1017,25 @@ CommonEvent(CommonState * state, SDL_Event * event, int *done)
void
CommonQuit(CommonState * state)
{
int i;
if (state->windows) {
SDL_free(state->windows);
}
if (state->renderers) {
for (i = 0; i < state->num_windows; ++i) {
if (state->renderers[i]) {
SDL_DestroyRenderer(state->renderers[i]);
}
}
SDL_free(state->renderers);
}
if (state->flags & SDL_INIT_VIDEO) {
SDL_VideoQuit();
}
if (state->flags & SDL_INIT_AUDIO) {
SDL_AudioQuit();
}
if (state->windows) {
SDL_free(state->windows);
}
SDL_free(state);
}

1
test/common.h
View file

@ -39,6 +39,7 @@ typedef struct
const char *renderdriver;
Uint32 render_flags;
SDL_bool skip_renderer;
SDL_Renderer **renderers;
/* Audio info */
const char *audiodriver;

66
test/testdraw2.c
View file

@ -19,7 +19,7 @@ static int current_color = 255;
static SDL_BlendMode blendMode = SDL_BLENDMODE_NONE;
void
DrawPoints(SDL_Window * window)
DrawPoints(SDL_Window * window, SDL_Renderer * renderer)
{
int i;
int x, y;
@ -28,7 +28,6 @@ DrawPoints(SDL_Window * window)
/* Query the sizes */
SDL_GetWindowSize(window, &window_w, &window_h);
SDL_SetRenderDrawBlendMode(blendMode);
for (i = 0; i < num_objects * 4; ++i) {
/* Cycle the color and alpha, if desired */
if (cycle_color) {
@ -53,18 +52,17 @@ DrawPoints(SDL_Window * window)
cycle_direction = -cycle_direction;
}
}
SDL_SetRenderDrawColor(255, (Uint8) current_color,
SDL_SetRenderDrawColor(renderer, 255, (Uint8) current_color,
(Uint8) current_color, (Uint8) current_alpha);
x = rand() % window_w;
y = rand() % window_h;
SDL_RenderDrawPoint(x, y);
SDL_RenderDrawPoint(renderer, x, y);
}
SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
}
void
DrawLines(SDL_Window * window)
DrawLines(SDL_Window * window, SDL_Renderer * renderer)
{
int i;
int x1, y1, x2, y2;
@ -73,7 +71,6 @@ DrawLines(SDL_Window * window)
/* Query the sizes */
SDL_GetWindowSize(window, &window_w, &window_h);
SDL_SetRenderDrawBlendMode(blendMode);
for (i = 0; i < num_objects; ++i) {
/* Cycle the color and alpha, if desired */
if (cycle_color) {
@ -98,27 +95,26 @@ DrawLines(SDL_Window * window)
cycle_direction = -cycle_direction;
}
}
SDL_SetRenderDrawColor(255, (Uint8) current_color,
SDL_SetRenderDrawColor(renderer, 255, (Uint8) current_color,
(Uint8) current_color, (Uint8) current_alpha);
if (i == 0) {
SDL_RenderDrawLine(0, 0, window_w - 1, window_h - 1);
SDL_RenderDrawLine(0, window_h - 1, window_w - 1, 0);
SDL_RenderDrawLine(0, window_h / 2, window_w - 1, window_h / 2);
SDL_RenderDrawLine(window_w / 2, 0, window_w / 2, window_h - 1);
SDL_RenderDrawLine(renderer, 0, 0, window_w - 1, window_h - 1);
SDL_RenderDrawLine(renderer, 0, window_h - 1, window_w - 1, 0);
SDL_RenderDrawLine(renderer, 0, window_h / 2, window_w - 1, window_h / 2);
SDL_RenderDrawLine(renderer, window_w / 2, 0, window_w / 2, window_h - 1);
} else {
x1 = (rand() % (window_w*2)) - window_w;
x2 = (rand() % (window_w*2)) - window_w;
y1 = (rand() % (window_h*2)) - window_h;
y2 = (rand() % (window_h*2)) - window_h;
SDL_RenderDrawLine(x1, y1, x2, y2);
SDL_RenderDrawLine(renderer, x1, y1, x2, y2);
}
}
SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
}
void
DrawRects(SDL_Window * window)
DrawRects(SDL_Window * window, SDL_Renderer * renderer)
{
int i;
SDL_Rect rect;
@ -127,7 +123,6 @@ DrawRects(SDL_Window * window)
/* Query the sizes */
SDL_GetWindowSize(window, &window_w, &window_h);
SDL_SetRenderDrawBlendMode(blendMode);
for (i = 0; i < num_objects / 4; ++i) {
/* Cycle the color and alpha, if desired */
if (cycle_color) {
@ -152,16 +147,15 @@ DrawRects(SDL_Window * window)
cycle_direction = -cycle_direction;
}
}
SDL_SetRenderDrawColor(255, (Uint8) current_color,
SDL_SetRenderDrawColor(renderer, 255, (Uint8) current_color,
(Uint8) current_color, (Uint8) current_alpha);
rect.w = rand() % (window_h / 2);
rect.h = rand() % (window_h / 2);
rect.x = (rand() % (window_w*2) - window_w) - (rect.w / 2);
rect.y = (rand() % (window_h*2) - window_h) - (rect.h / 2);
SDL_RenderFillRect(&rect);
SDL_RenderFillRect(renderer, &rect);
}
SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
}
int
@ -223,9 +217,10 @@ main(int argc, char *argv[])
/* Create the windows and initialize the renderers */
for (i = 0; i < state->num_windows; ++i) {
SDL_SelectRenderer(state->windows[i]);
SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear();
SDL_Renderer *renderer = state->renderers[i];
SDL_SetRenderDrawBlendMode(renderer, blendMode);
SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear(renderer);
}
srand((unsigned int)time(NULL));
@ -239,30 +234,17 @@ main(int argc, char *argv[])
++frames;
while (SDL_PollEvent(&event)) {
CommonEvent(state, &event, &done);
switch (event.type) {
case SDL_WINDOWEVENT:
switch (event.window.event) {
case SDL_WINDOWEVENT_EXPOSED:
SDL_SelectRenderer(SDL_GetWindowFromID(event.window.windowID));
SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear();
break;
}
break;
default:
break;
}
}
for (i = 0; i < state->num_windows; ++i) {
SDL_SelectRenderer(state->windows[i]);
SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear();
SDL_Renderer *renderer = state->renderers[i];
SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear(renderer);
DrawRects(state->windows[i]);
DrawLines(state->windows[i]);
DrawPoints(state->windows[i]);
DrawRects(state->windows[i], renderer);
DrawLines(state->windows[i], renderer);
DrawPoints(state->windows[i], renderer);
SDL_RenderPresent();
SDL_RenderPresent(renderer);
}
}

86
test/testintersections.c
View file

@ -20,7 +20,7 @@ static int current_color = 255;
static SDL_BlendMode blendMode = SDL_BLENDMODE_NONE;
void
DrawPoints(SDL_Window * window)
DrawPoints(SDL_Window * window, SDL_Renderer * renderer)
{
int i;
int x, y;
@ -29,7 +29,6 @@ DrawPoints(SDL_Window * window)
/* Query the sizes */
SDL_GetWindowSize(window, &window_w, &window_h);
SDL_SetRenderDrawBlendMode(blendMode);
for (i = 0; i < num_objects * 4; ++i) {
/* Cycle the color and alpha, if desired */
if (cycle_color) {
@ -54,14 +53,13 @@ DrawPoints(SDL_Window * window)
cycle_direction = -cycle_direction;
}
}
SDL_SetRenderDrawColor(255, (Uint8) current_color,
SDL_SetRenderDrawColor(renderer, 255, (Uint8) current_color,
(Uint8) current_color, (Uint8) current_alpha);
x = rand() % window_w;
y = rand() % window_h;
SDL_RenderDrawPoint(x, y);
SDL_RenderDrawPoint(renderer, x, y);
}
SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
}
#define MAX_LINES 16
@ -86,7 +84,7 @@ add_line(int x1, int y1, int x2, int y2)
void
DrawLines(SDL_Window * window)
DrawLines(SDL_Window * window, SDL_Renderer * renderer)
{
int i;
int x1, y1, x2, y2;
@ -95,20 +93,18 @@ DrawLines(SDL_Window * window)
/* Query the sizes */
SDL_GetWindowSize(window, &window_w, &window_h);
SDL_SetRenderDrawBlendMode(blendMode);
for (i = 0; i < num_lines; ++i) {
SDL_SetRenderDrawColor(255, 255, 255, 255);
SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
if (i == -1) {
SDL_RenderDrawLine(0, 0, window_w - 1, window_h - 1);
SDL_RenderDrawLine(0, window_h - 1, window_w - 1, 0);
SDL_RenderDrawLine(0, window_h / 2, window_w - 1, window_h / 2);
SDL_RenderDrawLine(window_w / 2, 0, window_w / 2, window_h - 1);
SDL_RenderDrawLine(renderer, 0, 0, window_w - 1, window_h - 1);
SDL_RenderDrawLine(renderer, 0, window_h - 1, window_w - 1, 0);
SDL_RenderDrawLine(renderer, 0, window_h / 2, window_w - 1, window_h / 2);
SDL_RenderDrawLine(renderer, window_w / 2, 0, window_w / 2, window_h - 1);
} else {
SDL_RenderDrawLine(lines[i].x, lines[i].y, lines[i].w, lines[i].h);
SDL_RenderDrawLine(renderer, lines[i].x, lines[i].y, lines[i].w, lines[i].h);
}
}
SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
}
#define MAX_RECTS 16
@ -139,7 +135,7 @@ add_rect(int x1, int y1, int x2, int y2)
}
static void
DrawRects(SDL_Window * window)
DrawRects(SDL_Window * window, SDL_Renderer * renderer)
{
int i;
int window_w, window_h;
@ -147,24 +143,20 @@ DrawRects(SDL_Window * window)
/* Query the sizes */
SDL_GetWindowSize(window, &window_w, &window_h);
SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
for (i = 0; i < num_rects; ++i) {
SDL_SetRenderDrawColor(255, 127, 0, 255);
SDL_RenderFillRect(&rects[i]);
SDL_SetRenderDrawColor(renderer, 255, 127, 0, 255);
SDL_RenderFillRect(renderer, &rects[i]);
}
SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
}
static void
DrawRectLineIntersections(SDL_Window * window)
DrawRectLineIntersections(SDL_Window * window, SDL_Renderer * renderer)
{
int i, j, window_w, window_h;
/* Query the sizes */
SDL_GetWindowSize(window, &window_w, &window_h);
SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
for (i = 0; i < num_rects; i++)
for (j = 0; j < num_lines; j++) {
int x1, y1, x2, y2;
@ -177,31 +169,25 @@ DrawRectLineIntersections(SDL_Window * window)
y2 = lines[j].h;
if (SDL_IntersectRectAndLine(&r, &x1, &y1, &x2, &y2)) {
SDL_SetRenderDrawColor(0, 255, 55, 255);
SDL_RenderDrawLine(x1, y1, x2, y2);
SDL_SetRenderDrawColor(renderer, 0, 255, 55, 255);
SDL_RenderDrawLine(renderer, x1, y1, x2, y2);
}
}
SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
}
static void
DrawRectRectIntersections(SDL_Window * window)
DrawRectRectIntersections(SDL_Window * window, SDL_Renderer * renderer)
{
int i, j;
SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
for (i = 0; i < num_rects; i++)
for (j = i + 1; j < num_rects; j++) {
SDL_Rect r;
if (SDL_IntersectRect(&rects[i], &rects[j], &r)) {
SDL_SetRenderDrawColor(255, 200, 0, 255);
SDL_RenderFillRect(&r);
SDL_SetRenderDrawColor(renderer, 255, 200, 0, 255);
SDL_RenderFillRect(renderer, &r);
}
}
SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
}
int
@ -264,9 +250,10 @@ main(int argc, char *argv[])
/* Create the windows and initialize the renderers */
for (i = 0; i < state->num_windows; ++i) {
SDL_SelectRenderer(state->windows[i]);
SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear();
SDL_Renderer *renderer = state->renderers[i];
SDL_SetRenderDrawBlendMode(renderer, blendMode);
SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear(renderer);
}
srand(time(NULL));
@ -311,31 +298,22 @@ main(int argc, char *argv[])
break;
}
break;
case SDL_WINDOWEVENT:
switch (event.window.event) {
case SDL_WINDOWEVENT_EXPOSED:
SDL_SelectRenderer(SDL_GetWindowFromID(event.window.windowID));
SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear();
break;
}
break;
default:
break;
}
}
for (i = 0; i < state->num_windows; ++i) {
SDL_SelectRenderer(state->windows[i]);
SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear();
SDL_Renderer *renderer = state->renderers[i];
SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear(renderer);
DrawRects(state->windows[i]);
DrawPoints(state->windows[i]);
DrawRectRectIntersections(state->windows[i]);
DrawLines(state->windows[i]);
DrawRectLineIntersections(state->windows[i]);
DrawRects(state->windows[i], renderer);
DrawPoints(state->windows[i], renderer);
DrawRectRectIntersections(state->windows[i], renderer);
DrawLines(state->windows[i], renderer);
DrawRectLineIntersections(state->windows[i], renderer);
SDL_RenderPresent();
SDL_RenderPresent(renderer);
}
}

320
test/testshape.c
View file

@ -11,177 +11,183 @@
#define TICK_INTERVAL 1000/10
typedef struct LoadedPicture {
SDL_Surface *surface;
SDL_Texture *texture;
SDL_WindowShapeMode mode;
SDL_Surface *surface;
SDL_Texture *texture;
SDL_WindowShapeMode mode;
} LoadedPicture;
void render(SDL_Window* window,SDL_Texture *texture,SDL_Rect texture_dimensions) {
SDL_SelectRenderer(window);
//Clear render-target to blue.
SDL_SetRenderDrawColor(0x00,0x00,0xff,0xff);
SDL_RenderClear();
//Render the texture.
SDL_RenderCopy(texture,&texture_dimensions,&texture_dimensions);
SDL_RenderPresent();
void render(SDL_Renderer *renderer,SDL_Texture *texture,SDL_Rect texture_dimensions)
{
//Clear render-target to blue.
SDL_SetRenderDrawColor(renderer,0x00,0x00,0xff,0xff);
SDL_RenderClear(renderer);
//Render the texture.
SDL_RenderCopy(renderer,texture,&texture_dimensions,&texture_dimensions);
SDL_RenderPresent(renderer);
}
static Uint32 next_time;
Uint32 time_left() {
Uint32 time_left()
{
Uint32 now = SDL_GetTicks();
if(next_time <= now)
return 0;
else
else
return next_time - now;
}
int main(int argc,char** argv) {
Uint8 num_pictures;
LoadedPicture* pictures;
int i, j;
SDL_PixelFormat* format = NULL;
SDL_Window *window;
SDL_Color black = {0,0,0,0xff};
SDL_Event event;
int event_pending = 0;
int should_exit = 0;
unsigned int current_picture;
int button_down;
Uint32 pixelFormat = 0;
int access = 0;
SDL_Rect texture_dimensions;;
int main(int argc,char** argv)
{
Uint8 num_pictures;
LoadedPicture* pictures;
int i, j;
SDL_PixelFormat* format = NULL;
SDL_Window *window;
SDL_Renderer *renderer;
SDL_Color black = {0,0,0,0xff};
SDL_Event event;
int event_pending = 0;
int should_exit = 0;
unsigned int current_picture;
int button_down;
Uint32 pixelFormat = 0;
int access = 0;
SDL_Rect texture_dimensions;;
if(argc < 2) {
printf("SDL_Shape requires at least one bitmap file as argument.\n");
exit(-1);
if(argc < 2) {
printf("SDL_Shape requires at least one bitmap file as argument.\n");
exit(-1);
}
if(SDL_VideoInit(NULL) == -1) {
printf("Could not initialize SDL video.\n");
exit(-2);
}
num_pictures = argc - 1;
pictures = (LoadedPicture *)malloc(sizeof(LoadedPicture)*num_pictures);
for(i=0;i<num_pictures;i++)
pictures[i].surface = NULL;
for(i=0;i<num_pictures;i++) {
pictures[i].surface = SDL_LoadBMP(argv[i+1]);
if(pictures[i].surface == NULL) {
j = 0;
for(j=0;j<num_pictures;j++)
if(pictures[j].surface != NULL)
SDL_FreeSurface(pictures[j].surface);
free(pictures);
SDL_VideoQuit();
printf("Could not load surface from named bitmap file.\n");
exit(-3);
}
if(SDL_VideoInit(NULL) == -1) {
printf("Could not initialize SDL video.\n");
exit(-2);
}
num_pictures = argc - 1;
pictures = (LoadedPicture *)malloc(sizeof(LoadedPicture)*num_pictures);
for(i=0;i<num_pictures;i++)
pictures[i].surface = NULL;
for(i=0;i<num_pictures;i++) {
pictures[i].surface = SDL_LoadBMP(argv[i+1]);
if(pictures[i].surface == NULL) {
j = 0;
for(j=0;j<num_pictures;j++)
if(pictures[j].surface != NULL)
SDL_FreeSurface(pictures[j].surface);
free(pictures);
SDL_VideoQuit();
printf("Could not load surface from named bitmap file.\n");
exit(-3);
}
format = pictures[i].surface->format;
if(format->Amask != 0) {
pictures[i].mode.mode = ShapeModeBinarizeAlpha;
pictures[i].mode.parameters.binarizationCutoff = 255;
}
else {
pictures[i].mode.mode = ShapeModeColorKey;
pictures[i].mode.parameters.colorKey = black;
}
}
window = SDL_CreateShapedWindow("SDL_Shape test",SHAPED_WINDOW_X,SHAPED_WINDOW_Y,SHAPED_WINDOW_DIMENSION,SHAPED_WINDOW_DIMENSION,SDL_WINDOW_RESIZABLE | SDL_WINDOW_SHOWN);
if(window == NULL) {
for(i=0;i<num_pictures;i++)
SDL_FreeSurface(pictures[i].surface);
free(pictures);
SDL_VideoQuit();
printf("Could not create shaped window for SDL_Shape.\n");
exit(-4);
}
if(SDL_CreateRenderer(window,-1,0) == -1) {
SDL_DestroyWindow(window);
for(i=0;i<num_pictures;i++)
SDL_FreeSurface(pictures[i].surface);
free(pictures);
SDL_VideoQuit();
printf("Could not create rendering context for SDL_Shape window.\n");
exit(-5);
}
for(i=0;i<num_pictures;i++)
pictures[i].texture = NULL;
for(i=0;i<num_pictures;i++) {
pictures[i].texture = SDL_CreateTextureFromSurface(0,pictures[i].surface);
if(pictures[i].texture == NULL) {
j = 0;
for(j=0;j<num_pictures;i++)
if(pictures[i].texture != NULL)
SDL_DestroyTexture(pictures[i].texture);
for(i=0;i<num_pictures;i++)
SDL_FreeSurface(pictures[i].surface);
free(pictures);
SDL_DestroyRenderer(window);
SDL_DestroyWindow(window);
SDL_VideoQuit();
printf("Could not create texture for SDL_shape.\n");
exit(-6);
}
}
event_pending = 0;
should_exit = 0;
event_pending = SDL_PollEvent(&event);
current_picture = 0;
button_down = 0;
texture_dimensions.h = 0;
texture_dimensions.w = 0;
texture_dimensions.x = 0;
texture_dimensions.y = 0;
SDL_QueryTexture(pictures[current_picture].texture,(Uint32 *)&pixelFormat,(int *)&access,&texture_dimensions.w,&texture_dimensions.h);
SDL_SetWindowSize(window,texture_dimensions.w,texture_dimensions.h);
SDL_SetWindowShape(window,pictures[current_picture].surface,&pictures[current_picture].mode);
next_time = SDL_GetTicks() + TICK_INTERVAL;
while(should_exit == 0) {
event_pending = SDL_PollEvent(&event);
if(event_pending == 1) {
if(event.type == SDL_KEYDOWN) {
button_down = 1;
if(event.key.keysym.sym == SDLK_ESCAPE)
should_exit = 1;
}
if(button_down && event.type == SDL_KEYUP) {
button_down = 0;
current_picture += 1;
if(current_picture >= num_pictures)
current_picture = 0;
SDL_QueryTexture(pictures[current_picture].texture,(Uint32 *)&pixelFormat,(int *)&access,&texture_dimensions.w,&texture_dimensions.h);
SDL_SetWindowSize(window,texture_dimensions.w,texture_dimensions.h);
SDL_SetWindowShape(window,pictures[current_picture].surface,&pictures[current_picture].mode);
}
if(event.type == SDL_QUIT)
should_exit = 1;
event_pending = 0;
}
render(window,pictures[current_picture].texture,texture_dimensions);
SDL_Delay(time_left());
next_time += TICK_INTERVAL;
}
//Free the textures.
for(i=0;i<num_pictures;i++)
SDL_DestroyTexture(pictures[i].texture);
//Destroy the window.
SDL_DestroyWindow(window);
//Free the original surfaces backing the textures.
for(i=0;i<num_pictures;i++)
SDL_FreeSurface(pictures[i].surface);
free(pictures);
//Call SDL_VideoQuit() before quitting.
SDL_VideoQuit();
format = pictures[i].surface->format;
if(format->Amask != 0) {
pictures[i].mode.mode = ShapeModeBinarizeAlpha;
pictures[i].mode.parameters.binarizationCutoff = 255;
}
else {
pictures[i].mode.mode = ShapeModeColorKey;
pictures[i].mode.parameters.colorKey = black;
}
}
window = SDL_CreateShapedWindow("SDL_Shape test",SHAPED_WINDOW_X,SHAPED_WINDOW_Y,SHAPED_WINDOW_DIMENSION,SHAPED_WINDOW_DIMENSION,SDL_WINDOW_RESIZABLE | SDL_WINDOW_SHOWN);
if(window == NULL) {
for(i=0;i<num_pictures;i++)
SDL_FreeSurface(pictures[i].surface);
free(pictures);
SDL_VideoQuit();
printf("Could not create shaped window for SDL_Shape.\n");
exit(-4);
}
renderer = SDL_CreateRenderer(window,-1,0);
if (!renderer) {
SDL_DestroyWindow(window);
for(i=0;i<num_pictures;i++)
SDL_FreeSurface(pictures[i].surface);
free(pictures);
SDL_VideoQuit();
printf("Could not create rendering context for SDL_Shape window.\n");
exit(-5);
}
for(i=0;i<num_pictures;i++)
pictures[i].texture = NULL;
for(i=0;i<num_pictures;i++) {
pictures[i].texture = SDL_CreateTextureFromSurface(renderer,0,pictures[i].surface);
if(pictures[i].texture == NULL) {
j = 0;
for(j=0;j<num_pictures;i++)
if(pictures[i].texture != NULL)
SDL_DestroyTexture(pictures[i].texture);
for(i=0;i<num_pictures;i++)
SDL_FreeSurface(pictures[i].surface);
free(pictures);
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(window);
SDL_VideoQuit();
printf("Could not create texture for SDL_shape.\n");
exit(-6);
}
}
event_pending = 0;
should_exit = 0;
event_pending = SDL_PollEvent(&event);
current_picture = 0;
button_down = 0;
texture_dimensions.h = 0;
texture_dimensions.w = 0;
texture_dimensions.x = 0;
texture_dimensions.y = 0;
SDL_QueryTexture(pictures[current_picture].texture,(Uint32 *)&pixelFormat,(int *)&access,&texture_dimensions.w,&texture_dimensions.h);
SDL_SetWindowSize(window,texture_dimensions.w,texture_dimensions.h);
SDL_SetWindowShape(window,pictures[current_picture].surface,&pictures[current_picture].mode);
next_time = SDL_GetTicks() + TICK_INTERVAL;
while(should_exit == 0) {
event_pending = SDL_PollEvent(&event);
if(event_pending == 1) {
if(event.type == SDL_KEYDOWN) {
button_down = 1;
if(event.key.keysym.sym == SDLK_ESCAPE)
should_exit = 1;
}
if(button_down && event.type == SDL_KEYUP) {
button_down = 0;
current_picture += 1;
if(current_picture >= num_pictures)
current_picture = 0;
SDL_QueryTexture(pictures[current_picture].texture,(Uint32 *)&pixelFormat,(int *)&access,&texture_dimensions.w,&texture_dimensions.h);
SDL_SetWindowSize(window,texture_dimensions.w,texture_dimensions.h);
SDL_SetWindowShape(window,pictures[current_picture].surface,&pictures[current_picture].mode);
}
if(event.type == SDL_QUIT)
should_exit = 1;
event_pending = 0;
}
render(renderer,pictures[current_picture].texture,texture_dimensions);
SDL_Delay(time_left());
next_time += TICK_INTERVAL;
}
//Free the textures.
for(i=0;i<num_pictures;i++)
SDL_DestroyTexture(pictures[i].texture);
SDL_DestroyRenderer(renderer);
//Destroy the window.
SDL_DestroyWindow(window);
//Free the original surfaces backing the textures.
for(i=0;i<num_pictures;i++)
SDL_FreeSurface(pictures[i].surface);
free(pictures);
//Call SDL_VideoQuit() before quitting.
SDL_VideoQuit();
return 0;
return 0;
}
/* vi: set ts=4 sw=4 expandtab: */

93
test/testsprite2.c
View file

@ -6,8 +6,8 @@
#include "common.h"
#define NUM_SPRITES 100
#define MAX_SPEED 1
#define NUM_SPRITES 100
#define MAX_SPEED 1
static CommonState *state;
static int num_sprites;
@ -76,12 +76,12 @@ LoadSprite(char *file)
/* Create textures from the image */
for (i = 0; i < state->num_windows; ++i) {
SDL_SelectRenderer(state->windows[i]);
sprites[i] = SDL_CreateTextureFromSurface(0, temp);
SDL_Renderer *renderer = state->renderers[i];
sprites[i] = SDL_CreateTextureFromSurface(renderer, 0, temp);
if (!sprites[i]) {
SDL_SetColorKey(temp, 0, 0);
sprites[i] = SDL_CreateTextureFromSurface(0, temp);
}
SDL_SetColorKey(temp, 0, 0);
sprites[i] = SDL_CreateTextureFromSurface(renderer, 0, temp);
}
if (!sprites[i]) {
fprintf(stderr, "Couldn't create texture: %s\n", SDL_GetError());
SDL_FreeSurface(temp);
@ -96,15 +96,13 @@ LoadSprite(char *file)
}
void
MoveSprites(SDL_Window * window, SDL_Texture * sprite)
MoveSprites(SDL_Window * window, SDL_Renderer * renderer, SDL_Texture * sprite)
{
int i, n;
int window_w, window_h;
SDL_Rect temp;
SDL_Rect *position, *velocity;
SDL_SelectRenderer(window);
/* Query the sizes */
SDL_GetWindowSize(window, &window_w, &window_h);
@ -136,55 +134,55 @@ MoveSprites(SDL_Window * window, SDL_Texture * sprite)
}
/* Draw a gray background */
SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear();
SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear(renderer);
/* Test points */
SDL_SetRenderDrawColor(0xFF, 0x00, 0x00, 0xFF);
SDL_RenderDrawPoint(0, 0);
SDL_RenderDrawPoint(window_w-1, 0);
SDL_RenderDrawPoint(0, window_h-1);
SDL_RenderDrawPoint(window_w-1, window_h-1);
SDL_SetRenderDrawColor(renderer, 0xFF, 0x00, 0x00, 0xFF);
SDL_RenderDrawPoint(renderer, 0, 0);
SDL_RenderDrawPoint(renderer, window_w-1, 0);
SDL_RenderDrawPoint(renderer, 0, window_h-1);
SDL_RenderDrawPoint(renderer, window_w-1, window_h-1);
/* Test horizontal and vertical lines */
SDL_SetRenderDrawColor(0x00, 0xFF, 0x00, 0xFF);
SDL_RenderDrawLine(1, 0, window_w-2, 0);
SDL_RenderDrawLine(1, window_h-1, window_w-2, window_h-1);
SDL_RenderDrawLine(0, 1, 0, window_h-2);
SDL_RenderDrawLine(window_w-1, 1, window_w-1, window_h-2);
SDL_SetRenderDrawColor(renderer, 0x00, 0xFF, 0x00, 0xFF);
SDL_RenderDrawLine(renderer, 1, 0, window_w-2, 0);
SDL_RenderDrawLine(renderer, 1, window_h-1, window_w-2, window_h-1);
SDL_RenderDrawLine(renderer, 0, 1, 0, window_h-2);
SDL_RenderDrawLine(renderer, window_w-1, 1, window_w-1, window_h-2);
/* Test fill and copy */
SDL_SetRenderDrawColor(0xFF, 0xFF, 0xFF, 0xFF);
SDL_SetRenderDrawColor(renderer, 0xFF, 0xFF, 0xFF, 0xFF);
temp.x = 1;
temp.y = 1;
temp.w = sprite_w;
temp.h = sprite_h;
SDL_RenderFillRect(&temp);
SDL_RenderCopy(sprite, NULL, &temp);
SDL_RenderFillRect(renderer, &temp);
SDL_RenderCopy(renderer, sprite, NULL, &temp);
temp.x = window_w-sprite_w-1;
temp.y = 1;
temp.w = sprite_w;
temp.h = sprite_h;
SDL_RenderFillRect(&temp);
SDL_RenderCopy(sprite, NULL, &temp);
SDL_RenderFillRect(renderer, &temp);
SDL_RenderCopy(renderer, sprite, NULL, &temp);
temp.x = 1;
temp.y = window_h-sprite_h-1;
temp.w = sprite_w;
temp.h = sprite_h;
SDL_RenderFillRect(&temp);
SDL_RenderCopy(sprite, NULL, &temp);
SDL_RenderFillRect(renderer, &temp);
SDL_RenderCopy(renderer, sprite, NULL, &temp);
temp.x = window_w-sprite_w-1;
temp.y = window_h-sprite_h-1;
temp.w = sprite_w;
temp.h = sprite_h;
SDL_RenderFillRect(&temp);
SDL_RenderCopy(sprite, NULL, &temp);
SDL_RenderFillRect(renderer, &temp);
SDL_RenderCopy(renderer, sprite, NULL, &temp);
/* Test diagonal lines */
SDL_SetRenderDrawColor(0x00, 0xFF, 0x00, 0xFF);
SDL_RenderDrawLine(sprite_w, sprite_h,
SDL_SetRenderDrawColor(renderer, 0x00, 0xFF, 0x00, 0xFF);
SDL_RenderDrawLine(renderer, sprite_w, sprite_h,
window_w-sprite_w-2, window_h-sprite_h-2);
SDL_RenderDrawLine(window_w-sprite_w-2, sprite_h,
SDL_RenderDrawLine(renderer, window_w-sprite_w-2, sprite_h,
sprite_w, window_h-sprite_h-2);
/* Move the sprite, bounce at the wall, and draw */
@ -204,11 +202,11 @@ MoveSprites(SDL_Window * window, SDL_Texture * sprite)
}
/* Blit the sprite onto the screen */
SDL_RenderCopy(sprite, NULL, position);
SDL_RenderCopy(renderer, sprite, NULL, position);
}
/* Update the screen! */
SDL_RenderPresent();
SDL_RenderPresent(renderer);
}
int
@ -276,9 +274,9 @@ main(int argc, char *argv[])
quit(2);
}
for (i = 0; i < state->num_windows; ++i) {
SDL_SelectRenderer(state->windows[i]);
SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear();
SDL_Renderer *renderer = state->renderers[i];
SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear(renderer);
}
if (LoadSprite("icon.bmp") < 0) {
quit(2);
@ -314,22 +312,9 @@ main(int argc, char *argv[])
++frames;
while (SDL_PollEvent(&event)) {
CommonEvent(state, &event, &done);
switch (event.type) {
case SDL_WINDOWEVENT:
switch (event.window.event) {
case SDL_WINDOWEVENT_EXPOSED:
SDL_SelectRenderer(SDL_GetWindowFromID(event.window.windowID));
SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear();
break;
}
break;
default:
break;
}
}
for (i = 0; i < state->num_windows; ++i) {
MoveSprites(state->windows[i], sprites[i]);
MoveSprites(state->windows[i], state->renderers[i], sprites[i]);
}
}
@ -340,7 +325,7 @@ main(int argc, char *argv[])
printf("%2.2f frames per second\n", fps);
}
quit(0);
return 0;
return 0;
}
/* vi: set ts=4 sw=4 expandtab: */

26
test/testspriteminimal.c
View file

@ -24,7 +24,7 @@ quit(int rc)
}
int
LoadSprite(char *file)
LoadSprite(char *file, SDL_Renderer *renderer)
{
SDL_Surface *temp;
@ -60,10 +60,10 @@ LoadSprite(char *file)
}
/* Create textures from the image */
sprite = SDL_CreateTextureFromSurface(0, temp);
sprite = SDL_CreateTextureFromSurface(renderer, 0, temp);
if (!sprite) {
SDL_SetColorKey(temp, 0, 0);
sprite = SDL_CreateTextureFromSurface(0, temp);
sprite = SDL_CreateTextureFromSurface(renderer, 0, temp);
}
if (!sprite) {
fprintf(stderr, "Couldn't create texture: %s\n", SDL_GetError());
@ -77,7 +77,7 @@ LoadSprite(char *file)
}
void
MoveSprites(SDL_Window * window, SDL_Texture * sprite)
MoveSprites(SDL_Window * window, SDL_Renderer * renderer, SDL_Texture * sprite)
{
int i;
int window_w = WINDOW_WIDTH;
@ -85,8 +85,8 @@ MoveSprites(SDL_Window * window, SDL_Texture * sprite)
SDL_Rect *position, *velocity;
/* Draw a gray background */
SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear();
SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear(renderer);
/* Move the sprite, bounce at the wall, and draw */
for (i = 0; i < NUM_SPRITES; ++i) {
@ -104,17 +104,18 @@ MoveSprites(SDL_Window * window, SDL_Texture * sprite)
}
/* Blit the sprite onto the screen */
SDL_RenderCopy(sprite, NULL, position);
SDL_RenderCopy(renderer, sprite, NULL, position);
}
/* Update the screen! */
SDL_RenderPresent();
SDL_RenderPresent(renderer);
}
int
main(int argc, char *argv[])
{
SDL_Window *window;
SDL_Renderer *renderer;
int i, done;
SDL_Event event;
@ -127,7 +128,12 @@ main(int argc, char *argv[])
quit(2);
}
if (LoadSprite("icon.bmp") < 0) {
renderer = SDL_CreateRenderer(window, -1, 0);
if (!renderer) {
quit(2);
}
if (LoadSprite("icon.bmp", renderer) < 0) {
quit(2);
}
@ -155,7 +161,7 @@ main(int argc, char *argv[])
done = 1;
}
}
MoveSprites(window, sprite);
MoveSprites(window, renderer, sprite);
}
quit(0);