indent
--HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403208
This commit is contained in:
Sam Lantinga
parent
5f94466c7b
commit
a9ba7ee031
7 changed files with 2825 additions and 2619 deletions
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@ -39,38 +39,41 @@ static int GLES_ActivateRenderer(SDL_Renderer * renderer);
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static int GLES_DisplayModeChanged(SDL_Renderer * renderer);
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static int GLES_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static int GLES_QueryTexturePixels(SDL_Renderer * renderer,
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SDL_Texture * texture, void **pixels,
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int *pitch);
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SDL_Texture * texture, void **pixels,
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int *pitch);
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static int GLES_SetTexturePalette(SDL_Renderer * renderer,
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SDL_Texture * texture,
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const SDL_Color * colors, int firstcolor,
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int ncolors);
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SDL_Texture * texture,
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const SDL_Color * colors, int firstcolor,
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int ncolors);
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static int GLES_GetTexturePalette(SDL_Renderer * renderer,
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SDL_Texture * texture, SDL_Color * colors,
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int firstcolor, int ncolors);
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SDL_Texture * texture, SDL_Color * colors,
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int firstcolor, int ncolors);
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static int GLES_SetTextureColorMod(SDL_Renderer * renderer,
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SDL_Texture * texture);
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SDL_Texture * texture);
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static int GLES_SetTextureAlphaMod(SDL_Renderer * renderer,
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SDL_Texture * texture);
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SDL_Texture * texture);
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static int GLES_SetTextureBlendMode(SDL_Renderer * renderer,
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SDL_Texture * texture);
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SDL_Texture * texture);
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static int GLES_SetTextureScaleMode(SDL_Renderer * renderer,
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SDL_Texture * texture);
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SDL_Texture * texture);
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static int GLES_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Rect * rect, const void *pixels,
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int pitch);
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const SDL_Rect * rect, const void *pixels,
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int pitch);
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static int GLES_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Rect * rect, int markDirty, void **pixels,
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int *pitch);
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static void GLES_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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const SDL_Rect * rect, int markDirty,
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void **pixels, int *pitch);
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static void GLES_UnlockTexture(SDL_Renderer * renderer,
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SDL_Texture * texture);
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static void GLES_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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int numrects, const SDL_Rect * rects);
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int numrects, const SDL_Rect * rects);
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static int GLES_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b,
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Uint8 a, const SDL_Rect * rect);
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Uint8 a, const SDL_Rect * rect);
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static int GLES_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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const SDL_Rect * srcrect,
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const SDL_Rect * dstrect);
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static void GLES_RenderPresent(SDL_Renderer * renderer);
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static void GLES_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static void GLES_DestroyTexture(SDL_Renderer * renderer,
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SDL_Texture * texture);
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static void GLES_DestroyRenderer(SDL_Renderer * renderer);
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@ -87,11 +90,11 @@ SDL_RenderDriver GL_ES_RenderDriver = {
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SDL_TEXTUREBLENDMODE_MOD),
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(SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST |
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SDL_TEXTURESCALEMODE_SLOW), 2,
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{
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SDL_PIXELFORMAT_RGB24,
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SDL_PIXELFORMAT_ABGR8888,
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},
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0,
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{
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SDL_PIXELFORMAT_RGB24,
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SDL_PIXELFORMAT_ABGR8888,
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},
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0,
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0}
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};
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@ -100,18 +103,18 @@ typedef struct
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SDL_GLContext context;
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SDL_bool updateSize;
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int blendMode;
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#ifndef APIENTRY
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#define APIENTRY
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#endif
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SDL_bool useDrawTexture;
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SDL_bool GL_OES_draw_texture_supported;
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/* OpenGL ES functions */
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#define SDL_PROC(ret,func,params) ret (APIENTRY *func) params;
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#include "SDL_glesfuncs.h"
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#undef SDL_PROC
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SDL_bool useDrawTexture;
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SDL_bool GL_OES_draw_texture_supported;
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/* OpenGL ES functions */
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#define SDL_PROC(ret,func,params) ret (APIENTRY *func) params;
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#include "SDL_glesfuncs.h"
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#undef SDL_PROC
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} GLES_RenderData;
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@ -165,12 +168,12 @@ GLES_SetError(const char *prefix, GLenum result)
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static int
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GLES_LoadFunctions(GLES_RenderData * data)
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{
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#define SDL_PROC(ret,func,params) \
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#define SDL_PROC(ret,func,params) \
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data->func = func;
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#include "SDL_glesfuncs.h"
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#undef SDL_PROC
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#include "SDL_glesfuncs.h"
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#undef SDL_PROC
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return 0;
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}
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@ -185,7 +188,7 @@ GLES_AddRenderDriver(_THIS)
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SDL_Renderer *
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GLES_CreateRenderer(SDL_Window * window, Uint32 flags)
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{
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SDL_Renderer *renderer;
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GLES_RenderData *data;
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GLint value;
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@ -232,9 +235,10 @@ GLES_CreateRenderer(SDL_Window * window, Uint32 flags)
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renderer->info = GL_ES_RenderDriver.info;
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renderer->window = window->id;
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renderer->driverdata = data;
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renderer->info.flags = (SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_ACCELERATED);
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renderer->info.flags =
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(SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_ACCELERATED);
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if (GLES_LoadFunctions(data) < 0) {
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GLES_DestroyRenderer(renderer);
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@ -265,15 +269,14 @@ GLES_CreateRenderer(SDL_Window * window, Uint32 flags)
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renderer->info.flags |= SDL_RENDERER_SINGLEBUFFER;
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}
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}
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if (SDL_GL_ExtensionSupported("GL_OES_draw_texture")) {
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data->GL_OES_draw_texture_supported = SDL_TRUE;
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data->useDrawTexture = SDL_TRUE;
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}
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else {
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data->GL_OES_draw_texture_supported = SDL_FALSE;
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data->useDrawTexture = SDL_FALSE;
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}
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if (SDL_GL_ExtensionSupported("GL_OES_draw_texture")) {
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data->GL_OES_draw_texture_supported = SDL_TRUE;
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data->useDrawTexture = SDL_TRUE;
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} else {
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data->GL_OES_draw_texture_supported = SDL_FALSE;
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data->useDrawTexture = SDL_FALSE;
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}
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data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
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renderer->info.max_texture_width = value;
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@ -284,18 +287,19 @@ GLES_CreateRenderer(SDL_Window * window, Uint32 flags)
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data->blendMode = -1;
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data->glDisable(GL_DEPTH_TEST);
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data->glDisable(GL_CULL_FACE);
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data->glEnable(GL_TEXTURE_2D);
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data->glEnable(GL_TEXTURE_2D);
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data->updateSize = SDL_TRUE;
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return renderer;
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}
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static int GLES_ActivateRenderer(SDL_Renderer * renderer)
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static int
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GLES_ActivateRenderer(SDL_Renderer * renderer)
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{
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GLES_RenderData *data = (GLES_RenderData *)renderer->driverdata;
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GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
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SDL_Window *window = SDL_GetWindowFromID(renderer->window);
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if (SDL_GL_MakeCurrent(window->id, data->context) < 0) {
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return -1;
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}
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@ -305,8 +309,8 @@ static int GLES_ActivateRenderer(SDL_Renderer * renderer)
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data->glMatrixMode(GL_MODELVIEW);
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data->glLoadIdentity();
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data->glViewport(0, 0, window->w, window->h);
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data->glOrthof(0.0, (GLfloat)window->w, (GLfloat)window->h, 0.0,
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0.0, 1.0);
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data->glOrthof(0.0, (GLfloat) window->w, (GLfloat) window->h, 0.0,
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0.0, 1.0);
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data->updateSize = SDL_FALSE;
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}
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return 0;
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@ -342,55 +346,55 @@ GLES_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
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GLenum format, type;
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int texture_w, texture_h;
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GLenum result;
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switch (texture->format) {
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case SDL_PIXELFORMAT_INDEX1LSB:
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case SDL_PIXELFORMAT_INDEX1MSB:
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case SDL_PIXELFORMAT_INDEX8:
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case SDL_PIXELFORMAT_RGB332:
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case SDL_PIXELFORMAT_RGB444:
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case SDL_PIXELFORMAT_RGB555:
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case SDL_PIXELFORMAT_ARGB4444:
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case SDL_PIXELFORMAT_ARGB1555:
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case SDL_PIXELFORMAT_BGR24:
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case SDL_PIXELFORMAT_BGR888:
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case SDL_PIXELFORMAT_RGB888:
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case SDL_PIXELFORMAT_RGBA8888:
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case SDL_PIXELFORMAT_ARGB2101010:
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case SDL_PIXELFORMAT_ARGB8888:
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case SDL_PIXELFORMAT_RGB24:
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internalFormat = GL_RGB;
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format = GL_RGB;
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type = GL_UNSIGNED_BYTE;
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break;
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case SDL_PIXELFORMAT_ABGR8888:
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internalFormat = GL_RGBA;
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format = GL_RGBA;
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type = GL_UNSIGNED_BYTE;
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break;
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/*
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These formats would be supported if SDL had the necessary pixel formats
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case SDL_PIXELFORMAT_BGR565:
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internalFormat = GL_RGB;
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format = GL_RGB;
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type = GL_UNSIGNED_SHORT_5_6_5;
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break;
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case SDL_PIXELFORMAT_ABGR5551:
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internalFormat = GL_RGBA;
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format = GL_RGBA;
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type = GL_UNSIGNED_SHORT_5_5_5_1;
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break;
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case SDL_PIXELFORMAT_ABGR4444:
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internalFormat = GL_RGBA;
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format = GL_RGBA;
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type = GL_UNSIGNED_SHORT_4_4_4_4;
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break;
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*/
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default:
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SDL_SetError("Unsupported texture format");
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return -1;
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switch (texture->format) {
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case SDL_PIXELFORMAT_INDEX1LSB:
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case SDL_PIXELFORMAT_INDEX1MSB:
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case SDL_PIXELFORMAT_INDEX8:
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case SDL_PIXELFORMAT_RGB332:
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case SDL_PIXELFORMAT_RGB444:
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case SDL_PIXELFORMAT_RGB555:
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case SDL_PIXELFORMAT_ARGB4444:
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case SDL_PIXELFORMAT_ARGB1555:
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case SDL_PIXELFORMAT_BGR24:
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case SDL_PIXELFORMAT_BGR888:
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case SDL_PIXELFORMAT_RGB888:
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case SDL_PIXELFORMAT_RGBA8888:
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case SDL_PIXELFORMAT_ARGB2101010:
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case SDL_PIXELFORMAT_ARGB8888:
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case SDL_PIXELFORMAT_RGB24:
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internalFormat = GL_RGB;
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format = GL_RGB;
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type = GL_UNSIGNED_BYTE;
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break;
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case SDL_PIXELFORMAT_ABGR8888:
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internalFormat = GL_RGBA;
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format = GL_RGBA;
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type = GL_UNSIGNED_BYTE;
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break;
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/*
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These formats would be supported if SDL had the necessary pixel formats
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case SDL_PIXELFORMAT_BGR565:
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internalFormat = GL_RGB;
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format = GL_RGB;
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type = GL_UNSIGNED_SHORT_5_6_5;
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break;
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case SDL_PIXELFORMAT_ABGR5551:
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internalFormat = GL_RGBA;
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format = GL_RGBA;
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type = GL_UNSIGNED_SHORT_5_5_5_1;
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break;
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case SDL_PIXELFORMAT_ABGR4444:
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internalFormat = GL_RGBA;
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format = GL_RGBA;
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type = GL_UNSIGNED_SHORT_4_4_4_4;
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break;
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*/
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default:
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SDL_SetError("Unsupported texture format");
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return -1;
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}
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data = (GLES_TextureData *) SDL_calloc(1, sizeof(*data));
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data = (GLES_TextureData *) SDL_calloc(1, sizeof(*data));
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if (!data) {
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SDL_OutOfMemory();
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return -1;
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@ -410,14 +414,14 @@ GLES_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
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renderdata->glGetError();
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renderdata->glGenTextures(1, &data->texture);
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data->type = GL_TEXTURE_2D;
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/* no NPOV textures allowed in OpenGL ES (yet) */
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texture_w = power_of_2(texture->w);
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texture_h = power_of_2(texture->h);
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data->texw = (GLfloat) texture->w / texture_w;
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data->texh = (GLfloat) texture->h / texture_h;
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data->type = GL_TEXTURE_2D;
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/* no NPOV textures allowed in OpenGL ES (yet) */
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texture_w = power_of_2(texture->w);
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texture_h = power_of_2(texture->h);
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data->texw = (GLfloat) texture->w / texture_w;
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data->texh = (GLfloat) texture->h / texture_h;
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data->format = format;
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data->formattype = type;
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renderdata->glBindTexture(data->type, data->texture);
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@ -429,9 +433,9 @@ GLES_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
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GL_CLAMP_TO_EDGE);
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renderdata->glTexParameteri(data->type, GL_TEXTURE_WRAP_T,
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GL_CLAMP_TO_EDGE);
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renderdata->glTexImage2D(data->type, 0, internalFormat, texture_w,
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texture_h, 0, format, type, NULL);
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renderdata->glTexImage2D(data->type, 0, internalFormat, texture_w,
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texture_h, 0, format, type, NULL);
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result = renderdata->glGetError();
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if (result != GL_NO_ERROR) {
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@ -443,7 +447,7 @@ GLES_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
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static int
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GLES_QueryTexturePixels(SDL_Renderer * renderer, SDL_Texture * texture,
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void **pixels, int *pitch)
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void **pixels, int *pitch)
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{
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GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
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@ -454,17 +458,17 @@ GLES_QueryTexturePixels(SDL_Renderer * renderer, SDL_Texture * texture,
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static int
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GLES_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Color * colors, int firstcolor, int ncolors)
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const SDL_Color * colors, int firstcolor, int ncolors)
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{
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SDL_SetError("OpenGL ES does not support paletted textures");
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SDL_SetError("OpenGL ES does not support paletted textures");
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return -1;
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}
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static int
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GLES_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
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SDL_Color * colors, int firstcolor, int ncolors)
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SDL_Color * colors, int firstcolor, int ncolors)
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{
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SDL_SetError("OpenGL ES does not support paletted textures");
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SDL_SetError("OpenGL ES does not support paletted textures");
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return -1;
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}
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@ -472,10 +476,10 @@ static void
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SetupTextureUpdate(GLES_RenderData * renderdata, SDL_Texture * texture,
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int pitch)
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{
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GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
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renderdata->glBindTexture(data->type, data->texture);
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GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
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renderdata->glBindTexture(data->type, data->texture);
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renderdata->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
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}
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@ -518,7 +522,7 @@ GLES_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
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return 0;
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case SDL_TEXTURESCALEMODE_BEST:
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SDL_Unsupported();
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texture->scaleMode = SDL_TEXTURESCALEMODE_SLOW;
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texture->scaleMode = SDL_TEXTURESCALEMODE_SLOW;
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return -1;
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default:
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SDL_Unsupported();
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@ -529,15 +533,15 @@ GLES_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
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static int
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GLES_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Rect * rect, const void *pixels, int pitch)
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const SDL_Rect * rect, const void *pixels, int pitch)
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{
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GLES_RenderData *renderdata = (GLES_RenderData *) renderer->driverdata;
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GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
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GLenum result;
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SetupTextureUpdate(renderdata, texture, pitch);
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renderdata->glGetError();
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renderdata->glTexSubImage2D(data->type, 0, rect->x, rect->y, rect->w,
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renderdata->glGetError();
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renderdata->glTexSubImage2D(data->type, 0, rect->x, rect->y, rect->w,
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rect->h, data->format, data->formattype,
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pixels);
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result = renderdata->glGetError();
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@ -550,8 +554,8 @@ GLES_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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static int
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GLES_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Rect * rect, int markDirty, void **pixels,
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int *pitch)
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const SDL_Rect * rect, int markDirty, void **pixels,
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int *pitch)
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{
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GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
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|
|
@ -572,8 +576,8 @@ GLES_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
|
|||
}
|
||||
|
||||
static void
|
||||
GLES_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
|
||||
const SDL_Rect * rects)
|
||||
GLES_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
|
||||
int numrects, const SDL_Rect * rects)
|
||||
{
|
||||
GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
|
||||
int i;
|
||||
|
|
@ -585,44 +589,45 @@ GLES_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
|
|||
|
||||
static int
|
||||
GLES_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
|
||||
const SDL_Rect * rect)
|
||||
const SDL_Rect * rect)
|
||||
{
|
||||
|
||||
GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
|
||||
|
||||
GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
|
||||
SDL_Window *window = SDL_GetWindowFromID(renderer->window);
|
||||
|
||||
/* set proper drawing color */
|
||||
GLfloat oldClearColor[4];
|
||||
|
||||
data->glGetFloatv(GL_COLOR_CLEAR_VALUE, oldClearColor);
|
||||
|
||||
data->glClearColor((GLclampf) r * inv255f, (GLclampf) g * inv255f,
|
||||
(GLclampf) b * inv255f, (GLclampf) a * inv255f);
|
||||
|
||||
data->glScissor(rect->x, window->h - rect->y - rect->h, rect->w, rect->h);
|
||||
data->glEnable(GL_SCISSOR_TEST);
|
||||
data->glClear(GL_COLOR_BUFFER_BIT);
|
||||
data->glDisable(GL_SCISSOR_TEST);
|
||||
|
||||
/* reset clear color */
|
||||
data->glClearColor(oldClearColor[0], oldClearColor[1], oldClearColor[2], oldClearColor[2]);
|
||||
|
||||
return 0;
|
||||
|
||||
/* set proper drawing color */
|
||||
GLfloat oldClearColor[4];
|
||||
|
||||
data->glGetFloatv(GL_COLOR_CLEAR_VALUE, oldClearColor);
|
||||
|
||||
data->glClearColor((GLclampf) r * inv255f, (GLclampf) g * inv255f,
|
||||
(GLclampf) b * inv255f, (GLclampf) a * inv255f);
|
||||
|
||||
data->glScissor(rect->x, window->h - rect->y - rect->h, rect->w, rect->h);
|
||||
data->glEnable(GL_SCISSOR_TEST);
|
||||
data->glClear(GL_COLOR_BUFFER_BIT);
|
||||
data->glDisable(GL_SCISSOR_TEST);
|
||||
|
||||
/* reset clear color */
|
||||
data->glClearColor(oldClearColor[0], oldClearColor[1], oldClearColor[2],
|
||||
oldClearColor[2]);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
GLES_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
|
||||
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
|
||||
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
|
||||
{
|
||||
|
||||
|
||||
GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
|
||||
GLES_TextureData *texturedata = (GLES_TextureData *) texture->driverdata;
|
||||
int minx, miny, maxx, maxy;
|
||||
GLfloat minu, maxu, minv, maxv;
|
||||
int i;
|
||||
void *temp_buffer; /* used for reformatting dirty rect pixels */
|
||||
void *temp_ptr;
|
||||
|
||||
int i;
|
||||
void *temp_buffer; /* used for reformatting dirty rect pixels */
|
||||
void *temp_ptr;
|
||||
|
||||
if (texturedata->dirty.list) {
|
||||
SDL_DirtyRect *dirty;
|
||||
void *pixels;
|
||||
|
|
@ -630,38 +635,40 @@ GLES_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
|
|||
int pitch = texturedata->pitch;
|
||||
|
||||
SetupTextureUpdate(data, texture, pitch);
|
||||
|
||||
|
||||
data->glBindTexture(texturedata->type, texturedata->texture);
|
||||
for (dirty = texturedata->dirty.list; dirty; dirty = dirty->next) {
|
||||
SDL_Rect *rect = &dirty->rect;
|
||||
pixels = (void *) ((Uint8 *) texturedata->pixels + rect->y * pitch + rect->x * bpp);
|
||||
/* There is no GL_UNPACK_ROW_LENGTH in OpenGLES
|
||||
we must do this reformatting ourselves(!)
|
||||
|
||||
maybe it'd be a good idea to keep a temp buffer around
|
||||
for this purpose rather than allocating it each time
|
||||
*/
|
||||
temp_buffer = SDL_malloc(rect->w * rect->h * bpp);
|
||||
temp_ptr = temp_buffer;
|
||||
for (i=0; i<rect->h; i++) {
|
||||
SDL_memcpy(temp_ptr, pixels, rect->w * bpp);
|
||||
temp_ptr += rect->w * bpp;
|
||||
pixels += pitch;
|
||||
}
|
||||
|
||||
pixels =
|
||||
(void *) ((Uint8 *) texturedata->pixels + rect->y * pitch +
|
||||
rect->x * bpp);
|
||||
/* There is no GL_UNPACK_ROW_LENGTH in OpenGLES
|
||||
we must do this reformatting ourselves(!)
|
||||
|
||||
maybe it'd be a good idea to keep a temp buffer around
|
||||
for this purpose rather than allocating it each time
|
||||
*/
|
||||
temp_buffer = SDL_malloc(rect->w * rect->h * bpp);
|
||||
temp_ptr = temp_buffer;
|
||||
for (i = 0; i < rect->h; i++) {
|
||||
SDL_memcpy(temp_ptr, pixels, rect->w * bpp);
|
||||
temp_ptr += rect->w * bpp;
|
||||
pixels += pitch;
|
||||
}
|
||||
|
||||
data->glTexSubImage2D(texturedata->type, 0, rect->x, rect->y,
|
||||
rect->w, rect->h, texturedata->format,
|
||||
texturedata->formattype, temp_buffer);
|
||||
|
||||
SDL_free(temp_buffer);
|
||||
|
||||
|
||||
SDL_free(temp_buffer);
|
||||
|
||||
}
|
||||
SDL_ClearDirtyRects(&texturedata->dirty);
|
||||
}
|
||||
|
||||
|
||||
data->glBindTexture(texturedata->type, texturedata->texture);
|
||||
data->glEnable(GL_TEXTURE_2D);
|
||||
|
||||
data->glEnable(GL_TEXTURE_2D);
|
||||
|
||||
if (texture->modMode) {
|
||||
data->glColor4f((GLfloat) texture->r * inv255f,
|
||||
(GLfloat) texture->g * inv255f,
|
||||
|
|
@ -697,71 +704,80 @@ GLES_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
|
|||
data->blendMode = texture->blendMode;
|
||||
}
|
||||
|
||||
switch (texture->scaleMode) {
|
||||
case SDL_TEXTURESCALEMODE_NONE:
|
||||
case SDL_TEXTURESCALEMODE_FAST:
|
||||
data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
|
||||
GL_NEAREST);
|
||||
data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
|
||||
GL_NEAREST);
|
||||
break;
|
||||
case SDL_TEXTURESCALEMODE_SLOW:
|
||||
case SDL_TEXTURESCALEMODE_BEST:
|
||||
data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
|
||||
GL_LINEAR);
|
||||
data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
|
||||
GL_LINEAR);
|
||||
break;
|
||||
}
|
||||
switch (texture->scaleMode) {
|
||||
case SDL_TEXTURESCALEMODE_NONE:
|
||||
case SDL_TEXTURESCALEMODE_FAST:
|
||||
data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
|
||||
GL_NEAREST);
|
||||
data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
|
||||
GL_NEAREST);
|
||||
break;
|
||||
case SDL_TEXTURESCALEMODE_SLOW:
|
||||
case SDL_TEXTURESCALEMODE_BEST:
|
||||
data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
|
||||
GL_LINEAR);
|
||||
data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
|
||||
GL_LINEAR);
|
||||
break;
|
||||
}
|
||||
|
||||
if (data->GL_OES_draw_texture_supported && data->useDrawTexture) {
|
||||
/* this code is a little funny because the viewport is upside down vs SDL's coordinate system */
|
||||
SDL_Window *window = SDL_GetWindowFromID(renderer->window);
|
||||
GLint cropRect[4];
|
||||
cropRect[0] = srcrect->x;
|
||||
cropRect[1] = srcrect->y + srcrect->h;
|
||||
cropRect[2] = srcrect->w;
|
||||
cropRect[3] = -srcrect->h;
|
||||
data->glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES,
|
||||
cropRect);
|
||||
data->glDrawTexiOES(dstrect->x, window->h - dstrect->y - dstrect->h,
|
||||
0, dstrect->w, dstrect->h);
|
||||
} else {
|
||||
|
||||
minx = dstrect->x;
|
||||
miny = dstrect->y;
|
||||
maxx = dstrect->x + dstrect->w;
|
||||
maxy = dstrect->y + dstrect->h;
|
||||
|
||||
minu = (GLfloat) srcrect->x / texture->w;
|
||||
minu *= texturedata->texw;
|
||||
maxu = (GLfloat) (srcrect->x + srcrect->w) / texture->w;
|
||||
maxu *= texturedata->texw;
|
||||
minv = (GLfloat) srcrect->y / texture->h;
|
||||
minv *= texturedata->texh;
|
||||
maxv = (GLfloat) (srcrect->y + srcrect->h) / texture->h;
|
||||
maxv *= texturedata->texh;
|
||||
|
||||
GLshort vertices[8];
|
||||
GLfloat texCoords[8];
|
||||
|
||||
vertices[0] = minx;
|
||||
vertices[1] = miny;
|
||||
vertices[2] = maxx;
|
||||
vertices[3] = miny;
|
||||
vertices[4] = minx;
|
||||
vertices[5] = maxy;
|
||||
vertices[6] = maxx;
|
||||
vertices[7] = maxy;
|
||||
|
||||
texCoords[0] = minu;
|
||||
texCoords[1] = minv;
|
||||
texCoords[2] = maxu;
|
||||
texCoords[3] = minv;
|
||||
texCoords[4] = minu;
|
||||
texCoords[5] = maxv;
|
||||
texCoords[6] = maxu;
|
||||
texCoords[7] = maxv;
|
||||
|
||||
data->glVertexPointer(2, GL_SHORT, 0, vertices);
|
||||
data->glEnableClientState(GL_VERTEX_ARRAY);
|
||||
data->glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
|
||||
data->glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
||||
data->glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
||||
|
||||
}
|
||||
|
||||
if (data->GL_OES_draw_texture_supported && data->useDrawTexture) {
|
||||
/* this code is a little funny because the viewport is upside down vs SDL's coordinate system */
|
||||
SDL_Window *window = SDL_GetWindowFromID(renderer->window);
|
||||
GLint cropRect[4];
|
||||
cropRect[0] = srcrect->x;
|
||||
cropRect[1] = srcrect->y + srcrect->h;
|
||||
cropRect[2] = srcrect->w;
|
||||
cropRect[3] = -srcrect->h;
|
||||
data->glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, cropRect);
|
||||
data->glDrawTexiOES(dstrect->x, window->h - dstrect->y - dstrect->h, 0, dstrect->w, dstrect->h);
|
||||
}
|
||||
else {
|
||||
|
||||
minx = dstrect->x;
|
||||
miny = dstrect->y;
|
||||
maxx = dstrect->x + dstrect->w;
|
||||
maxy = dstrect->y + dstrect->h;
|
||||
|
||||
minu = (GLfloat) srcrect->x / texture->w;
|
||||
minu *= texturedata->texw;
|
||||
maxu = (GLfloat) (srcrect->x + srcrect->w) / texture->w;
|
||||
maxu *= texturedata->texw;
|
||||
minv = (GLfloat) srcrect->y / texture->h;
|
||||
minv *= texturedata->texh;
|
||||
maxv = (GLfloat) (srcrect->y + srcrect->h) / texture->h;
|
||||
maxv *= texturedata->texh;
|
||||
|
||||
GLshort vertices[8];
|
||||
GLfloat texCoords[8];
|
||||
|
||||
vertices[0] = minx; vertices[1] = miny;
|
||||
vertices[2] = maxx; vertices[3] = miny;
|
||||
vertices[4] = minx; vertices[5] = maxy;
|
||||
vertices[6] = maxx; vertices[7] = maxy;
|
||||
|
||||
texCoords[0] = minu; texCoords[1] = minv;
|
||||
texCoords[2] = maxu; texCoords[3] = minv;
|
||||
texCoords[4] = minu; texCoords[5] = maxv;
|
||||
texCoords[6] = maxu; texCoords[7] = maxv;
|
||||
|
||||
data->glVertexPointer(2, GL_SHORT, 0, vertices);
|
||||
data->glEnableClientState(GL_VERTEX_ARRAY);
|
||||
data->glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
|
||||
data->glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
||||
data->glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
||||
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -781,7 +797,7 @@ GLES_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
|
|||
return;
|
||||
}
|
||||
if (data->texture) {
|
||||
glDeleteTextures(1, &data->texture);
|
||||
glDeleteTextures(1, &data->texture);
|
||||
}
|
||||
if (data->pixels) {
|
||||
SDL_free(data->pixels);
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue