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-rw-r--r--src/video_core/regs_rasterizer.h129
1 files changed, 129 insertions, 0 deletions
diff --git a/src/video_core/regs_rasterizer.h b/src/video_core/regs_rasterizer.h
new file mode 100644
index 000000000..a471a3b38
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+++ b/src/video_core/regs_rasterizer.h
@@ -0,0 +1,129 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+
+#include "common/bit_field.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+
+namespace Pica {
+
+struct RasterizerRegs {
+ enum class CullMode : u32 {
+ // Select which polygons are considered to be "frontfacing".
+ KeepAll = 0,
+ KeepClockWise = 1,
+ KeepCounterClockWise = 2,
+ // TODO: What does the third value imply?
+ };
+
+ union {
+ BitField<0, 2, CullMode> cull_mode;
+ };
+
+ BitField<0, 24, u32> viewport_size_x;
+
+ INSERT_PADDING_WORDS(0x1);
+
+ BitField<0, 24, u32> viewport_size_y;
+
+ INSERT_PADDING_WORDS(0x9);
+
+ BitField<0, 24, u32> viewport_depth_range; // float24
+ BitField<0, 24, u32> viewport_depth_near_plane; // float24
+
+ BitField<0, 3, u32> vs_output_total;
+
+ union VSOutputAttributes {
+ // Maps components of output vertex attributes to semantics
+ enum Semantic : u32 {
+ POSITION_X = 0,
+ POSITION_Y = 1,
+ POSITION_Z = 2,
+ POSITION_W = 3,
+
+ QUATERNION_X = 4,
+ QUATERNION_Y = 5,
+ QUATERNION_Z = 6,
+ QUATERNION_W = 7,
+
+ COLOR_R = 8,
+ COLOR_G = 9,
+ COLOR_B = 10,
+ COLOR_A = 11,
+
+ TEXCOORD0_U = 12,
+ TEXCOORD0_V = 13,
+ TEXCOORD1_U = 14,
+ TEXCOORD1_V = 15,
+
+ TEXCOORD0_W = 16,
+
+ VIEW_X = 18,
+ VIEW_Y = 19,
+ VIEW_Z = 20,
+
+ TEXCOORD2_U = 22,
+ TEXCOORD2_V = 23,
+
+ INVALID = 31,
+ };
+
+ BitField<0, 5, Semantic> map_x;
+ BitField<8, 5, Semantic> map_y;
+ BitField<16, 5, Semantic> map_z;
+ BitField<24, 5, Semantic> map_w;
+ } vs_output_attributes[7];
+
+ INSERT_PADDING_WORDS(0xe);
+
+ enum class ScissorMode : u32 {
+ Disabled = 0,
+ Exclude = 1, // Exclude pixels inside the scissor box
+
+ Include = 3 // Exclude pixels outside the scissor box
+ };
+
+ struct {
+ BitField<0, 2, ScissorMode> mode;
+
+ union {
+ BitField<0, 16, u32> x1;
+ BitField<16, 16, u32> y1;
+ };
+
+ union {
+ BitField<0, 16, u32> x2;
+ BitField<16, 16, u32> y2;
+ };
+ } scissor_test;
+
+ union {
+ BitField<0, 10, s32> x;
+ BitField<16, 10, s32> y;
+ } viewport_corner;
+
+ INSERT_PADDING_WORDS(0x1);
+
+ // TODO: early depth
+ INSERT_PADDING_WORDS(0x1);
+
+ INSERT_PADDING_WORDS(0x2);
+
+ enum DepthBuffering : u32 {
+ WBuffering = 0,
+ ZBuffering = 1,
+ };
+ BitField<0, 1, DepthBuffering> depthmap_enable;
+
+ INSERT_PADDING_WORDS(0x12);
+};
+
+static_assert(sizeof(RasterizerRegs) == 0x40 * sizeof(u32),
+ "RasterizerRegs struct has incorrect size");
+
+} // namespace Pica