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comparison src/video/SDL_renderer_sw.c @ 2222:926294b2bb4e

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Emphasized the separation between SDL_Surface and SDL_Texture - SDL_Surface is a system memory representation of pixel data - SDL_Texture is a video memory representation of pixel data The concept of SDL_Surface with SDL_HWSURFACE is no longer used. Separated SDL_Texture types by usage rather than memory type - SDL_TEXTUREACCESS_STATIC is for rarely changed pixel data, can be placed in video memory. - SDL_TEXTUREACCESS_STREAMING is for frequently changing pixel data, usually placed in system memory or AGP memory. Optimized the SDL_compat usage of the OpenGL renderer by only using one copy of the framebuffer instead of two.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 11 Aug 2007 20:54:31 +0000
parents 3ee59c43d784
children b252359547ed
comparison
equal deleted inserted replaced
2221:1d75c38e1e5c 2222:926294b2bb4e
123 SDL_OutOfMemory(); 123 SDL_OutOfMemory();
124 return NULL; 124 return NULL;
125 } 125 }
126 126
127 texture->format = format; 127 texture->format = format;
128 texture->access = SDL_TEXTUREACCESS_LOCAL; 128 texture->access = SDL_TEXTUREACCESS_STREAMING;
129 texture->w = w; 129 texture->w = w;
130 texture->h = h; 130 texture->h = h;
131 texture->renderer = renderer; 131 texture->renderer = renderer;
132 132
133 if (renderer->CreateTexture(renderer, texture) < 0) { 133 if (renderer->CreateTexture(renderer, texture) < 0) {