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-rw-r--r--src/video_core/engines/maxwell_3d.h22
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.cpp10
2 files changed, 29 insertions, 3 deletions
diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h
index 988a6433e..cc1f90de6 100644
--- a/src/video_core/engines/maxwell_3d.h
+++ b/src/video_core/engines/maxwell_3d.h
@@ -478,7 +478,9 @@ public:
u32 depth_write_enabled;
- INSERT_PADDING_WORDS(0x8);
+ INSERT_PADDING_WORDS(0x7);
+
+ u32 d3d_cull_mode;
BitField<0, 3, ComparisonOp> depth_test_func;
@@ -498,7 +500,13 @@ public:
u32 enable[NumRenderTargets];
} blend;
- INSERT_PADDING_WORDS(0x2D);
+ INSERT_PADDING_WORDS(0xB);
+
+ union {
+ BitField<4, 1, u32> triangle_rast_flip;
+ } screen_y_control;
+
+ INSERT_PADDING_WORDS(0x21);
u32 vb_element_base;
@@ -528,7 +536,12 @@ public:
}
} tic;
- INSERT_PADDING_WORDS(0x22);
+ INSERT_PADDING_WORDS(0x21);
+
+ union {
+ BitField<2, 1, u32> coord_origin;
+ BitField<3, 10, u32> enable;
+ } point_coord_replace;
struct {
u32 code_address_high;
@@ -818,11 +831,14 @@ ASSERT_REG_POSITION(rt_control, 0x487);
ASSERT_REG_POSITION(depth_test_enable, 0x4B3);
ASSERT_REG_POSITION(independent_blend_enable, 0x4B9);
ASSERT_REG_POSITION(depth_write_enabled, 0x4BA);
+ASSERT_REG_POSITION(d3d_cull_mode, 0x4C2);
ASSERT_REG_POSITION(depth_test_func, 0x4C3);
ASSERT_REG_POSITION(blend, 0x4CF);
+ASSERT_REG_POSITION(screen_y_control, 0x4EB);
ASSERT_REG_POSITION(vb_element_base, 0x50D);
ASSERT_REG_POSITION(tsc, 0x557);
ASSERT_REG_POSITION(tic, 0x55D);
+ASSERT_REG_POSITION(point_coord_replace, 0x581);
ASSERT_REG_POSITION(code_address, 0x582);
ASSERT_REG_POSITION(draw, 0x585);
ASSERT_REG_POSITION(index_array, 0x5F2);
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index e516eb1ad..3c3657d9d 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -771,6 +771,16 @@ void RasterizerOpenGL::SyncCullMode() {
if (state.cull.enabled) {
state.cull.front_face = MaxwellToGL::FrontFace(regs.cull.front_face);
state.cull.mode = MaxwellToGL::CullFace(regs.cull.cull_face);
+
+ // If the GPU is configured to flip the rasterized triangles, then we need to flip the
+ // notion of front and back. Note: We flip the triangles when the value of the register is 0
+ // because OpenGL already does it for us.
+ if (regs.screen_y_control.triangle_rast_flip == 0) {
+ if (state.cull.front_face == GL_CCW)
+ state.cull.front_face = GL_CW;
+ else if (state.cull.front_face == GL_CW)
+ state.cull.front_face = GL_CCW;
+ }
}
}