Merge pull request #1460 from FernandoS27/scissor_test
Implemented Scissor Testing
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commit
03ec936ca0
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@ -532,7 +532,21 @@ public:
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INSERT_PADDING_WORDS(0x3);
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s32 clear_stencil;
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INSERT_PADDING_WORDS(0x6C);
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INSERT_PADDING_WORDS(0x17);
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struct {
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u32 enable;
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union {
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BitField<0, 16, u32> min_x;
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BitField<16, 16, u32> max_x;
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};
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union {
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BitField<0, 16, u32> min_y;
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BitField<16, 16, u32> max_y;
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};
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} scissor_test;
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INSERT_PADDING_WORDS(0x52);
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s32 stencil_back_func_ref;
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u32 stencil_back_mask;
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@ -1002,6 +1016,7 @@ ASSERT_REG_POSITION(vertex_buffer, 0x35D);
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ASSERT_REG_POSITION(clear_color[0], 0x360);
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ASSERT_REG_POSITION(clear_depth, 0x364);
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ASSERT_REG_POSITION(clear_stencil, 0x368);
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ASSERT_REG_POSITION(scissor_test, 0x380);
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ASSERT_REG_POSITION(stencil_back_func_ref, 0x3D5);
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ASSERT_REG_POSITION(stencil_back_mask, 0x3D6);
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ASSERT_REG_POSITION(stencil_back_func_mask, 0x3D7);
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@ -552,6 +552,7 @@ void RasterizerOpenGL::DrawArrays() {
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SyncLogicOpState();
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SyncCullMode();
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SyncAlphaTest();
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SyncScissorTest();
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SyncTransformFeedback();
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SyncPointState();
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@ -984,6 +985,22 @@ void RasterizerOpenGL::SyncAlphaTest() {
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}
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}
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void RasterizerOpenGL::SyncScissorTest() {
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const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
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state.scissor.enabled = (regs.scissor_test.enable != 0);
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// TODO(Blinkhawk): Figure if the hardware supports scissor testing per viewport and how it's
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// implemented.
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if (regs.scissor_test.enable != 0) {
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const u32 width = regs.scissor_test.max_x - regs.scissor_test.min_x;
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const u32 height = regs.scissor_test.max_y - regs.scissor_test.min_y;
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state.scissor.x = regs.scissor_test.min_x;
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state.scissor.y = regs.scissor_test.min_y;
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state.scissor.width = width;
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state.scissor.height = height;
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}
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}
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void RasterizerOpenGL::SyncTransformFeedback() {
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const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
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@ -165,6 +165,9 @@ private:
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/// Syncs the alpha test state to match the guest state
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void SyncAlphaTest();
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/// Syncs the scissor test state to match the guest state
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void SyncScissorTest();
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/// Syncs the transform feedback state to match the guest state
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void SyncTransformFeedback();
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