Merge pull request #8314 from liamwhite/gl-flip-2

OpenGL: interpret face flips according to GL NDC
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Morph 2022-05-11 17:51:18 -04:00 committed by GitHub
commit 2fb6df3fe9
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@ -563,12 +563,11 @@ void RasterizerOpenGL::SyncViewport() {
flags[Dirty::FrontFace] = false;
GLenum mode = MaxwellToGL::FrontFace(regs.front_face);
bool flip_faces = false;
if (regs.screen_y_control.triangle_rast_flip != 0 &&
regs.viewport_transform[0].scale_y < 0.0f) {
bool flip_faces = true;
if (regs.screen_y_control.triangle_rast_flip != 0) {
flip_faces = !flip_faces;
}
if (regs.viewport_transform[0].scale_z < 0.0f) {
if (regs.viewport_transform[0].scale_y < 0.0f) {
flip_faces = !flip_faces;
}
if (flip_faces) {