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-rw-r--r--src/video_core/engines/maxwell_3d.h5
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.cpp6
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.h3
-rw-r--r--src/video_core/renderer_opengl/gl_state.cpp7
-rw-r--r--src/video_core/renderer_opengl/gl_state.h4
5 files changed, 24 insertions, 1 deletions
diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h
index 32780fa9a..f2d69814e 100644
--- a/src/video_core/engines/maxwell_3d.h
+++ b/src/video_core/engines/maxwell_3d.h
@@ -706,7 +706,9 @@ public:
u32 stencil_front_func_mask;
u32 stencil_front_mask;
- INSERT_PADDING_WORDS(0x3);
+ INSERT_PADDING_WORDS(0x2);
+
+ u32 frag_color_clamp;
union {
BitField<4, 1, u32> triangle_rast_flip;
@@ -1142,6 +1144,7 @@ ASSERT_REG_POSITION(stencil_front_func_func, 0x4E4);
ASSERT_REG_POSITION(stencil_front_func_ref, 0x4E5);
ASSERT_REG_POSITION(stencil_front_func_mask, 0x4E6);
ASSERT_REG_POSITION(stencil_front_mask, 0x4E7);
+ASSERT_REG_POSITION(frag_color_clamp, 0x4EA);
ASSERT_REG_POSITION(screen_y_control, 0x4EB);
ASSERT_REG_POSITION(vb_element_base, 0x50D);
ASSERT_REG_POSITION(point_size, 0x546);
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 10d407bd2..98799056c 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -582,6 +582,7 @@ void RasterizerOpenGL::DrawArrays() {
ConfigureFramebuffers(state);
SyncColorMask();
+ SyncFragmentColorClampState();
SyncDepthTestState();
SyncStencilTestState();
SyncBlendState();
@@ -1032,6 +1033,11 @@ void RasterizerOpenGL::SyncColorMask() {
}
}
+void RasterizerOpenGL::SyncFragmentColorClampState() {
+ const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
+ state.fragment_color_clamp.enabled = regs.frag_color_clamp != 0;
+}
+
void RasterizerOpenGL::SyncBlendState() {
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 8ef0f6c12..d3fa0b6fc 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer.h
@@ -160,6 +160,9 @@ private:
/// Syncs the LogicOp state to match the guest state
void SyncLogicOpState();
+ /// Syncs the the color clamp state
+ void SyncFragmentColorClampState();
+
/// Syncs the scissor test state to match the guest state
void SyncScissorTest();
diff --git a/src/video_core/renderer_opengl/gl_state.cpp b/src/video_core/renderer_opengl/gl_state.cpp
index dd6d946e5..6998dd92b 100644
--- a/src/video_core/renderer_opengl/gl_state.cpp
+++ b/src/video_core/renderer_opengl/gl_state.cpp
@@ -89,6 +89,7 @@ OpenGLState::OpenGLState() {
clip_distance = {};
point.size = 1;
+ fragment_color_clamp.enabled = false;
}
void OpenGLState::ApplyDefaultState() {
@@ -497,6 +498,12 @@ void OpenGLState::Apply() const {
if (point.size != cur_state.point.size) {
glPointSize(point.size);
}
+ if (GLAD_GL_ARB_color_buffer_float) {
+ if (fragment_color_clamp.enabled != cur_state.fragment_color_clamp.enabled) {
+ glClampColor(GL_CLAMP_FRAGMENT_COLOR_ARB,
+ fragment_color_clamp.enabled ? GL_TRUE : GL_FALSE);
+ }
+ }
ApplyColorMask();
ApplyViewport();
ApplyStencilTest();
diff --git a/src/video_core/renderer_opengl/gl_state.h b/src/video_core/renderer_opengl/gl_state.h
index da487461f..6079f6e0b 100644
--- a/src/video_core/renderer_opengl/gl_state.h
+++ b/src/video_core/renderer_opengl/gl_state.h
@@ -40,6 +40,10 @@ public:
} framebuffer_srgb;
struct {
+ bool enabled; // GL_CLAMP_FRAGMENT_COLOR_ARB
+ } fragment_color_clamp;
+
+ struct {
bool enabled; // viewports arrays are only supported when geometry shaders are enabled.
} geometry_shaders;