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OpenGL: implement face flips according to NDC

This commit is contained in:
Liam 2022-05-06 20:04:56 -04:00
parent 18a0c2e9db
commit b317f54f22
1 changed files with 3 additions and 4 deletions
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7
src/video_core/renderer_opengl/gl_rasterizer.cpp
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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) {