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OpenGL: propagate face flip condition

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This commit is contained in:
Liam 2022-04-04 10:30:48 -04:00
parent cb913e5c02
commit a57531854e
1 changed files with 10 additions and 4 deletions
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14
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -557,13 +557,19 @@ void RasterizerOpenGL::SyncViewport() {
const bool dirty_viewport = flags[Dirty::Viewports] || rescale_viewports;
const bool dirty_clip_control = flags[Dirty::ClipControl];
if (dirty_clip_control || flags[Dirty::FrontFace]) {
if (dirty_viewport || dirty_clip_control || flags[Dirty::FrontFace]) {
flags[Dirty::FrontFace] = false;
GLenum mode = MaxwellToGL::FrontFace(regs.front_face);
if ((regs.screen_y_control.triangle_rast_flip != 0 &&
regs.viewport_transform[0].scale_y < 0.0f) ||
regs.viewport_transform[0].scale_z < 0.0f) {
bool flip_faces = false;
if (regs.screen_y_control.triangle_rast_flip != 0 &&
regs.viewport_transform[0].scale_y < 0.0f) {
flip_faces = !flip_faces;
}
if (regs.viewport_transform[0].scale_z < 0.0f) {
flip_faces = !flip_faces;
}
if (flip_faces) {
switch (mode) {
case GL_CW:
mode = GL_CCW;