OpenGL: flip front faces if Z scale is inverted

2022-04-04 10:04:10 -04:00
parent e9cf2d43f1
commit cb913e5c02
1 changed files with 3 additions and 2 deletions
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -561,8 +561,9 @@ void RasterizerOpenGL::SyncViewport() {
        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) {
+        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) {
            switch (mode) {
            case GL_CW:
                mode = GL_CCW;