1 files changed, 56 insertions, 29 deletions

diff --git a/src/video_core/renderer_opengl/gl_state.h b/src/video_core/renderer_opengl/gl_state.h
index fe648aff6..032fc43f0 100644
--- a/src/video_core/renderer_opengl/gl_state.h
+++ b/src/video_core/renderer_opengl/gl_state.h
@@ -40,17 +40,28 @@ public:
     } framebuffer_srgb;
 
     struct {
+        bool alpha_to_coverage; // GL_ALPHA_TO_COVERAGE
+        bool alpha_to_one;      // GL_ALPHA_TO_ONE
+    } multisample_control;
+
+    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;
+
+    struct {
         bool enabled;      // GL_CULL_FACE
         GLenum mode;       // GL_CULL_FACE_MODE
         GLenum front_face; // GL_FRONT_FACE
     } cull;
 
     struct {
-        bool test_enabled;        // GL_DEPTH_TEST
-        GLenum test_func;         // GL_DEPTH_FUNC
-        GLboolean write_mask;     // GL_DEPTH_WRITEMASK
-        GLfloat depth_range_near; // GL_DEPTH_RANGE
-        GLfloat depth_range_far;  // GL_DEPTH_RANGE
+        bool test_enabled;    // GL_DEPTH_TEST
+        GLenum test_func;     // GL_DEPTH_FUNC
+        GLboolean write_mask; // GL_DEPTH_WRITEMASK
     } depth;
 
     struct {
@@ -58,13 +69,14 @@ public:
         GLuint index;
     } primitive_restart; // GL_PRIMITIVE_RESTART
 
-    struct {
+    struct ColorMask {
         GLboolean red_enabled;
         GLboolean green_enabled;
         GLboolean blue_enabled;
         GLboolean alpha_enabled;
-    } color_mask; // GL_COLOR_WRITEMASK
-
+    };
+    std::array<ColorMask, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets>
+        color_mask; // GL_COLOR_WRITEMASK
     struct {
         bool test_enabled; // GL_STENCIL_TEST
         struct {
@@ -78,7 +90,7 @@ public:
         } front, back;
     } stencil;
 
-    struct {
+    struct Blend {
         bool enabled;        // GL_BLEND
         GLenum rgb_equation; // GL_BLEND_EQUATION_RGB
         GLenum a_equation;   // GL_BLEND_EQUATION_ALPHA
@@ -86,14 +98,19 @@ public:
         GLenum dst_rgb_func; // GL_BLEND_DST_RGB
         GLenum src_a_func;   // GL_BLEND_SRC_ALPHA
         GLenum dst_a_func;   // GL_BLEND_DST_ALPHA
+    };
+    std::array<Blend, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> blend;
 
-        struct {
-            GLclampf red;
-            GLclampf green;
-            GLclampf blue;
-            GLclampf alpha;
-        } color; // GL_BLEND_COLOR
-    } blend;
+    struct {
+        bool enabled;
+    } independant_blend;
+
+    struct {
+        GLclampf red;
+        GLclampf green;
+        GLclampf blue;
+        GLclampf alpha;
+    } blend_color; // GL_BLEND_COLOR
 
     struct {
         bool enabled; // GL_LOGIC_OP_MODE
@@ -138,20 +155,22 @@ public:
         GLuint program_pipeline; // GL_PROGRAM_PIPELINE_BINDING
     } draw;
 
-    struct {
-        bool enabled; // GL_SCISSOR_TEST
+    struct viewport {
         GLint x;
         GLint y;
-        GLsizei width;
-        GLsizei height;
-    } scissor;
-
-    struct {
-        GLint x;
-        GLint y;
-        GLsizei width;
-        GLsizei height;
-    } viewport;
+        GLint width;
+        GLint height;
+        GLfloat depth_range_near; // GL_DEPTH_RANGE
+        GLfloat depth_range_far;  // GL_DEPTH_RANGE
+        struct {
+            bool enabled; // GL_SCISSOR_TEST
+            GLint x;
+            GLint y;
+            GLsizei width;
+            GLsizei height;
+        } scissor;
+    };
+    std::array<viewport, Tegra::Engines::Maxwell3D::Regs::NumViewports> viewports;
 
     struct {
         float size; // GL_POINT_SIZE
@@ -173,6 +192,10 @@ public:
     }
     /// Apply this state as the current OpenGL state
     void Apply() const;
+    /// Apply only the state afecting the framebuffer
+    void ApplyFramebufferState() const;
+    /// Apply only the state afecting the vertex buffer
+    void ApplyVertexBufferState() const;
     /// Set the initial OpenGL state
     static void ApplyDefaultState();
     /// Resets any references to the given resource
@@ -183,6 +206,7 @@ public:
     OpenGLState& ResetBuffer(GLuint handle);
     OpenGLState& ResetVertexArray(GLuint handle);
     OpenGLState& ResetFramebuffer(GLuint handle);
+    void EmulateViewportWithScissor();
 
 private:
     static OpenGLState cur_state;
@@ -191,10 +215,13 @@ private:
     static bool s_rgb_used;
     void ApplySRgb() const;
     void ApplyCulling() const;
+    void ApplyColorMask() const;
     void ApplyDepth() const;
     void ApplyPrimitiveRestart() const;
     void ApplyStencilTest() const;
-    void ApplyScissorTest() const;
+    void ApplyViewport() const;
+    void ApplyTargetBlending(std::size_t target, bool force) const;
+    void ApplyGlobalBlending() const;
     void ApplyBlending() const;
     void ApplyLogicOp() const;
     void ApplyTextures() const;