Mercurial > sdl-ios-xcode
diff src/render/opengles2/SDL_render_gles2.c @ 5217:b0797947dd1c
You don't need to copy the pixels into the streaming texture's pixel data. This behavior is defined specifically to optimize the UpdateTexture path.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Sun, 06 Feb 2011 20:56:21 -0800 |
parents | 25ad4a50d34f |
children | c66b2a778b7e |
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--- a/src/render/opengles2/SDL_render_gles2.c Sun Feb 06 19:12:55 2011 -0800 +++ b/src/render/opengles2/SDL_render_gles2.c Sun Feb 06 20:56:21 2011 -0800 @@ -389,35 +389,13 @@ tdata->pixel_format, tdata->pixel_type, src); + SDL_free(blob); + if (glGetError() != GL_NO_ERROR) { SDL_SetError("Failed to update texture"); return -1; } - - /* Update the (streaming) texture buffer, in one pass if possible */ - if (tdata->pixel_data) - { - dest = (Uint8 *)tdata->pixel_data + - (tdata->pitch * rect->y) + - (SDL_BYTESPERPIXEL(texture->format) * rect->x); - if (rect->w == texture->w) - { - SDL_memcpy(dest, src, srcPitch * rect->h); - } - else - { - for (y = 0; y < rect->h; ++y) - { - SDL_memcpy(dest, src, srcPitch); - src += srcPitch; - dest += tdata->pitch; - } - } - } - - /* Clean up and return */ - SDL_free(blob); return 0; }