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Merge pull request #1460 from FernandoS27/scissor_test

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Implemented Scissor Testing
This commit is contained in:
bunnei 2018-10-10 12:04:10 -04:00 • committed by GitHub
commit 03ec936ca0
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3 changed files with 36 additions and 1 deletions
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17
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -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;

3
src/video_core/renderer_opengl/gl_rasterizer.h
View file

@ -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();