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comparison src/video/win32/SDL_gdirender.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 8055185ae4ed
children e1da92da346c
comparison
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2221:1d75c38e1e5c 2222:926294b2bb4e
302 } else { 302 } else {
303 data->format = texture->format; 303 data->format = texture->format;
304 } 304 }
305 data->pitch = (texture->w * SDL_BYTESPERPIXEL(data->format)); 305 data->pitch = (texture->w * SDL_BYTESPERPIXEL(data->format));
306 306
307 if (data->yuv || texture->access == SDL_TEXTUREACCESS_LOCAL 307 if (data->yuv || texture->access == SDL_TEXTUREACCESS_STREAMING
308 || texture->format != display->current_mode.format) { 308 || texture->format != display->current_mode.format) {
309 int bmi_size; 309 int bmi_size;
310 LPBITMAPINFO bmi; 310 LPBITMAPINFO bmi;
311 311
312 bmi_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD); 312 bmi_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD);