VideoCore: Split framebuffer regs from Regs struct

1 files changed, 6 insertions, 264 deletions

diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index 71194198a..50a549c42 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -18,6 +18,7 @@
 #include "common/common_types.h"
 #include "common/logging/log.h"
 #include "common/vector_math.h"
+#include "video_core/regs_framebuffer.h"
 #include "video_core/regs_rasterizer.h"
 #include "video_core/regs_texturing.h"
 
@@ -51,268 +52,7 @@ struct Regs {
     INSERT_PADDING_WORDS(0x2f);
     RasterizerRegs rasterizer;
     TexturingRegs texturing;
-
-    enum class LogicOp : u32 {
-        Clear = 0,
-        And = 1,
-        AndReverse = 2,
-        Copy = 3,
-        Set = 4,
-        CopyInverted = 5,
-        NoOp = 6,
-        Invert = 7,
-        Nand = 8,
-        Or = 9,
-        Nor = 10,
-        Xor = 11,
-        Equiv = 12,
-        AndInverted = 13,
-        OrReverse = 14,
-        OrInverted = 15,
-    };
-
-    enum class BlendEquation : u32 {
-        Add = 0,
-        Subtract = 1,
-        ReverseSubtract = 2,
-        Min = 3,
-        Max = 4,
-    };
-
-    enum class BlendFactor : u32 {
-        Zero = 0,
-        One = 1,
-        SourceColor = 2,
-        OneMinusSourceColor = 3,
-        DestColor = 4,
-        OneMinusDestColor = 5,
-        SourceAlpha = 6,
-        OneMinusSourceAlpha = 7,
-        DestAlpha = 8,
-        OneMinusDestAlpha = 9,
-        ConstantColor = 10,
-        OneMinusConstantColor = 11,
-        ConstantAlpha = 12,
-        OneMinusConstantAlpha = 13,
-        SourceAlphaSaturate = 14,
-    };
-
-    enum class CompareFunc : u32 {
-        Never = 0,
-        Always = 1,
-        Equal = 2,
-        NotEqual = 3,
-        LessThan = 4,
-        LessThanOrEqual = 5,
-        GreaterThan = 6,
-        GreaterThanOrEqual = 7,
-    };
-
-    enum class StencilAction : u32 {
-        Keep = 0,
-        Zero = 1,
-        Replace = 2,
-        Increment = 3,
-        Decrement = 4,
-        Invert = 5,
-        IncrementWrap = 6,
-        DecrementWrap = 7,
-    };
-
-    struct {
-        union {
-            // If false, logic blending is used
-            BitField<8, 1, u32> alphablend_enable;
-        };
-
-        union {
-            BitField<0, 8, BlendEquation> blend_equation_rgb;
-            BitField<8, 8, BlendEquation> blend_equation_a;
-
-            BitField<16, 4, BlendFactor> factor_source_rgb;
-            BitField<20, 4, BlendFactor> factor_dest_rgb;
-
-            BitField<24, 4, BlendFactor> factor_source_a;
-            BitField<28, 4, BlendFactor> factor_dest_a;
-        } alpha_blending;
-
-        union {
-            BitField<0, 4, LogicOp> logic_op;
-        };
-
-        union {
-            u32 raw;
-            BitField<0, 8, u32> r;
-            BitField<8, 8, u32> g;
-            BitField<16, 8, u32> b;
-            BitField<24, 8, u32> a;
-        } blend_const;
-
-        union {
-            BitField<0, 1, u32> enable;
-            BitField<4, 3, CompareFunc> func;
-            BitField<8, 8, u32> ref;
-        } alpha_test;
-
-        struct {
-            union {
-                // Raw value of this register
-                u32 raw_func;
-
-                // If true, enable stencil testing
-                BitField<0, 1, u32> enable;
-
-                // Comparison operation for stencil testing
-                BitField<4, 3, CompareFunc> func;
-
-                // Mask used to control writing to the stencil buffer
-                BitField<8, 8, u32> write_mask;
-
-                // Value to compare against for stencil testing
-                BitField<16, 8, u32> reference_value;
-
-                // Mask to apply on stencil test inputs
-                BitField<24, 8, u32> input_mask;
-            };
-
-            union {
-                // Raw value of this register
-                u32 raw_op;
-
-                // Action to perform when the stencil test fails
-                BitField<0, 3, StencilAction> action_stencil_fail;
-
-                // Action to perform when stencil testing passed but depth testing fails
-                BitField<4, 3, StencilAction> action_depth_fail;
-
-                // Action to perform when both stencil and depth testing pass
-                BitField<8, 3, StencilAction> action_depth_pass;
-            };
-        } stencil_test;
-
-        union {
-            BitField<0, 1, u32> depth_test_enable;
-            BitField<4, 3, CompareFunc> depth_test_func;
-            BitField<8, 1, u32> red_enable;
-            BitField<9, 1, u32> green_enable;
-            BitField<10, 1, u32> blue_enable;
-            BitField<11, 1, u32> alpha_enable;
-            BitField<12, 1, u32> depth_write_enable;
-        };
-
-        INSERT_PADDING_WORDS(0x8);
-    } output_merger;
-
-    // Components are laid out in reverse byte order, most significant bits first.
-    enum class ColorFormat : u32 {
-        RGBA8 = 0,
-        RGB8 = 1,
-        RGB5A1 = 2,
-        RGB565 = 3,
-        RGBA4 = 4,
-    };
-
-    enum class DepthFormat : u32 {
-        D16 = 0,
-        D24 = 2,
-        D24S8 = 3,
-    };
-
-    // Returns the number of bytes in the specified color format
-    static unsigned BytesPerColorPixel(ColorFormat format) {
-        switch (format) {
-        case ColorFormat::RGBA8:
-            return 4;
-        case ColorFormat::RGB8:
-            return 3;
-        case ColorFormat::RGB5A1:
-        case ColorFormat::RGB565:
-        case ColorFormat::RGBA4:
-            return 2;
-        default:
-            LOG_CRITICAL(HW_GPU, "Unknown color format %u", format);
-            UNIMPLEMENTED();
-        }
-    }
-
-    struct FramebufferConfig {
-        INSERT_PADDING_WORDS(0x3);
-
-        union {
-            BitField<0, 4, u32> allow_color_write; // 0 = disable, else enable
-        };
-
-        INSERT_PADDING_WORDS(0x1);
-
-        union {
-            BitField<0, 2, u32> allow_depth_stencil_write; // 0 = disable, else enable
-        };
-
-        DepthFormat depth_format; // TODO: Should be a BitField!
-        BitField<16, 3, ColorFormat> color_format;
-
-        INSERT_PADDING_WORDS(0x4);
-
-        u32 depth_buffer_address;
-        u32 color_buffer_address;
-
-        union {
-            // Apparently, the framebuffer width is stored as expected,
-            // while the height is stored as the actual height minus one.
-            // Hence, don't access these fields directly but use the accessors
-            // GetWidth() and GetHeight() instead.
-            BitField<0, 11, u32> width;
-            BitField<12, 10, u32> height;
-        };
-
-        INSERT_PADDING_WORDS(0x1);
-
-        inline u32 GetColorBufferPhysicalAddress() const {
-            return DecodeAddressRegister(color_buffer_address);
-        }
-        inline u32 GetDepthBufferPhysicalAddress() const {
-            return DecodeAddressRegister(depth_buffer_address);
-        }
-
-        inline u32 GetWidth() const {
-            return width;
-        }
-
-        inline u32 GetHeight() const {
-            return height + 1;
-        }
-    } framebuffer;
-
-    // Returns the number of bytes in the specified depth format
-    static u32 BytesPerDepthPixel(DepthFormat format) {
-        switch (format) {
-        case DepthFormat::D16:
-            return 2;
-        case DepthFormat::D24:
-            return 3;
-        case DepthFormat::D24S8:
-            return 4;
-        default:
-            LOG_CRITICAL(HW_GPU, "Unknown depth format %u", format);
-            UNIMPLEMENTED();
-        }
-    }
-
-    // Returns the number of bits per depth component of the specified depth format
-    static u32 DepthBitsPerPixel(DepthFormat format) {
-        switch (format) {
-        case DepthFormat::D16:
-            return 16;
-        case DepthFormat::D24:
-        case DepthFormat::D24S8:
-            return 24;
-        default:
-            LOG_CRITICAL(HW_GPU, "Unknown depth format %u", format);
-            UNIMPLEMENTED();
-        }
-    }
-
-    INSERT_PADDING_WORDS(0x20);
+    FramebufferRegs framebuffer;
 
     enum class LightingSampler {
         Distribution0 = 0,
@@ -957,8 +697,10 @@ ASSERT_REG_POSITION(texturing.tev_stage4, 0xf0);
 ASSERT_REG_POSITION(texturing.tev_stage5, 0xf8);
 ASSERT_REG_POSITION(texturing.tev_combiner_buffer_color, 0xfd);
 
-ASSERT_REG_POSITION(output_merger, 0x100);
-ASSERT_REG_POSITION(framebuffer, 0x110);
+ASSERT_REG_POSITION(framebuffer, 0x100);
+ASSERT_REG_POSITION(framebuffer.output_merger, 0x100);
+ASSERT_REG_POSITION(framebuffer.framebuffer, 0x110);
+
 ASSERT_REG_POSITION(lighting, 0x140);
 ASSERT_REG_POSITION(vertex_attributes, 0x200);
 ASSERT_REG_POSITION(index_array, 0x227);