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-rw-r--r--src/video_core/engines/maxwell_3d.h17
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.cpp17
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.h3
3 files changed, 36 insertions, 1 deletions
diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h
index 4290da33f..20e1884da 100644
--- a/src/video_core/engines/maxwell_3d.h
+++ b/src/video_core/engines/maxwell_3d.h
@@ -532,7 +532,21 @@ public:
INSERT_PADDING_WORDS(0x3);
s32 clear_stencil;
- INSERT_PADDING_WORDS(0x6C);
+ INSERT_PADDING_WORDS(0x17);
+
+ struct {
+ u32 enable;
+ union {
+ BitField<0, 16, u32> min_x;
+ BitField<16, 16, u32> max_x;
+ };
+ union {
+ BitField<0, 16, u32> min_y;
+ BitField<16, 16, u32> max_y;
+ };
+ } scissor_test;
+
+ INSERT_PADDING_WORDS(0x52);
s32 stencil_back_func_ref;
u32 stencil_back_mask;
@@ -1002,6 +1016,7 @@ ASSERT_REG_POSITION(vertex_buffer, 0x35D);
ASSERT_REG_POSITION(clear_color[0], 0x360);
ASSERT_REG_POSITION(clear_depth, 0x364);
ASSERT_REG_POSITION(clear_stencil, 0x368);
+ASSERT_REG_POSITION(scissor_test, 0x380);
ASSERT_REG_POSITION(stencil_back_func_ref, 0x3D5);
ASSERT_REG_POSITION(stencil_back_mask, 0x3D6);
ASSERT_REG_POSITION(stencil_back_func_mask, 0x3D7);
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index b7215448c..84582c777 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -552,6 +552,7 @@ void RasterizerOpenGL::DrawArrays() {
SyncLogicOpState();
SyncCullMode();
SyncAlphaTest();
+ SyncScissorTest();
SyncTransformFeedback();
SyncPointState();
@@ -984,6 +985,22 @@ void RasterizerOpenGL::SyncAlphaTest() {
}
}
+void RasterizerOpenGL::SyncScissorTest() {
+ const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
+
+ state.scissor.enabled = (regs.scissor_test.enable != 0);
+ // TODO(Blinkhawk): Figure if the hardware supports scissor testing per viewport and how it's
+ // implemented.
+ if (regs.scissor_test.enable != 0) {
+ const u32 width = regs.scissor_test.max_x - regs.scissor_test.min_x;
+ const u32 height = regs.scissor_test.max_y - regs.scissor_test.min_y;
+ state.scissor.x = regs.scissor_test.min_x;
+ state.scissor.y = regs.scissor_test.min_y;
+ state.scissor.width = width;
+ state.scissor.height = height;
+ }
+}
+
void RasterizerOpenGL::SyncTransformFeedback() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h
index 8de831468..b1f7ccc7e 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer.h
@@ -165,6 +165,9 @@ private:
/// Syncs the alpha test state to match the guest state
void SyncAlphaTest();
+ /// Syncs the scissor test state to match the guest state
+ void SyncScissorTest();
+
/// Syncs the transform feedback state to match the guest state
void SyncTransformFeedback();