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Better fix for bug 2207 - SDL_RenderSetViewport behavior is different/incorrect on OpenGL renderer vs DirectX renderer 

At least, it works better here on my Mac. :)
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Sam Lantinga 2013-11-15 22:07:35 -08:00
parent 44959a21ef
commit 8093cfd8ce
1 changed files with 11 additions and 3 deletions
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10
src/render/opengl/SDL_render_gl.c
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@ -919,13 +919,21 @@ GL_UpdateViewport(SDL_Renderer * renderer)
return 0; return 0;
} }
if (renderer->target) {
data->glViewport(renderer->viewport.x, renderer->viewport.y, data->glViewport(renderer->viewport.x, renderer->viewport.y,
renderer->viewport.w, renderer->viewport.h); renderer->viewport.w, renderer->viewport.h);
} else {
int w, h;
SDL_GetRendererOutputSize(renderer, &w, &h);
data->glViewport(renderer->viewport.x, (h - renderer->viewport.y - renderer->viewport.h),
renderer->viewport.w, renderer->viewport.h);
}
data->glMatrixMode(GL_PROJECTION); data->glMatrixMode(GL_PROJECTION);
data->glLoadIdentity(); data->glLoadIdentity();
if (renderer->viewport.w && renderer->viewport.h) { if (renderer->viewport.w && renderer->viewport.h) {
if (!renderer->target) { if (renderer->target) {
data->glOrtho((GLdouble) 0, data->glOrtho((GLdouble) 0,
(GLdouble) renderer->viewport.w, (GLdouble) renderer->viewport.w,
(GLdouble) 0, (GLdouble) 0,