Mercurial > sdl-ios-xcode
diff src/render/opengl/SDL_render_gl.c @ 5238:ce4f91138031
Added a hint to control whether the OpenGL driver uses shaders.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 08 Feb 2011 22:40:19 -0800 |
| parents | 8efa43b915be |
| children | b530ef003506 |
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--- a/src/render/opengl/SDL_render_gl.c Tue Feb 08 22:11:16 2011 -0800 +++ b/src/render/opengl/SDL_render_gl.c Tue Feb 08 22:40:19 2011 -0800 @@ -23,6 +23,8 @@ #if SDL_VIDEO_RENDER_OGL && !SDL_RENDER_DISABLED +#include "SDL_hints.h" +#include "SDL_log.h" #include "SDL_opengl.h" #include "../SDL_sysrender.h" #include "SDL_shaders_gl.h" @@ -183,6 +185,7 @@ { SDL_Renderer *renderer; GL_RenderData *data; + const char *hint; GLint value; Uint32 window_flags; @@ -282,7 +285,12 @@ } /* Check for shader support */ - data->shaders = GL_CreateShaderContext(); + hint = SDL_GetHint(SDL_HINT_RENDER_OPENGL_SHADERS); + if (!hint || *hint != '0') { + data->shaders = GL_CreateShaderContext(); + } + SDL_LogInfo(SDL_LOG_CATEGORY_RENDER, "OpenGL shaders: %s", + data->shaders ? "ENABLED" : "DISABLED"); #if 0 /* We support YV12 textures using 3 textures and a shader */