mirror of
https://github.com/stenzek/duckstation.git
synced 2025-06-12 22:37:21 +00:00
92 lines
4.1 KiB
C++
92 lines
4.1 KiB
C++
// SPDX-FileCopyrightText: 2019-2024 Connor McLaughlin <stenzek@gmail.com>
|
|
// SPDX-License-Identifier: CC-BY-NC-ND-4.0
|
|
|
|
#pragma once
|
|
|
|
#include "gpu.h"
|
|
#include "gpu_thread_commands.h"
|
|
#include "gpu_types.h"
|
|
|
|
#include "common/intrin.h"
|
|
#include "common/types.h"
|
|
|
|
#include <array>
|
|
|
|
namespace GPU_SW_Rasterizer {
|
|
|
|
// this is actually (31 * 255) >> 4) == 494, but to simplify addressing we use the next power of two (512)
|
|
static constexpr u32 DITHER_LUT_SIZE = 512;
|
|
using DitherLUT = std::array<std::array<std::array<u8, DITHER_LUT_SIZE>, DITHER_MATRIX_SIZE>, DITHER_MATRIX_SIZE>;
|
|
extern const DitherLUT g_dither_lut;
|
|
|
|
// TODO: Pack in struct
|
|
extern GPUDrawingArea g_drawing_area;
|
|
|
|
extern void UpdateCLUT(GPUTexturePaletteReg reg, bool clut_is_8bit);
|
|
|
|
using DrawRectangleFunction = void (*)(const GPUBackendDrawRectangleCommand* cmd);
|
|
typedef const DrawRectangleFunction DrawRectangleFunctionTable[2][2][2];
|
|
|
|
using DrawTriangleFunction = void (*)(const GPUBackendDrawCommand* cmd, const GPUBackendDrawPolygonCommand::Vertex* v0,
|
|
const GPUBackendDrawPolygonCommand::Vertex* v1,
|
|
const GPUBackendDrawPolygonCommand::Vertex* v2);
|
|
typedef const DrawTriangleFunction DrawTriangleFunctionTable[2][2][2][2];
|
|
|
|
using DrawLineFunction = void (*)(const GPUBackendDrawCommand* cmd, const GPUBackendDrawLineCommand::Vertex* p0,
|
|
const GPUBackendDrawLineCommand::Vertex* p1);
|
|
typedef const DrawLineFunction DrawLineFunctionTable[2][2];
|
|
|
|
using FillVRAMFunction = void (*)(u32 x, u32 y, u32 width, u32 height, u32 color, bool interlaced, u8 active_line_lsb);
|
|
using WriteVRAMFunction = void (*)(u32 x, u32 y, u32 width, u32 height, const void* data, bool set_mask,
|
|
bool check_mask);
|
|
using CopyVRAMFunction = void (*)(u32 src_x, u32 src_y, u32 dst_x, u32 dst_y, u32 width, u32 height, bool set_mask,
|
|
bool check_mask);
|
|
|
|
// Current implementation, selected at runtime.
|
|
extern const DrawRectangleFunctionTable* DrawRectangleFunctions;
|
|
extern const DrawTriangleFunctionTable* DrawTriangleFunctions;
|
|
extern const DrawLineFunctionTable* DrawLineFunctions;
|
|
extern FillVRAMFunction FillVRAM;
|
|
extern WriteVRAMFunction WriteVRAM;
|
|
extern CopyVRAMFunction CopyVRAM;
|
|
|
|
extern void SelectImplementation();
|
|
|
|
ALWAYS_INLINE static DrawLineFunction GetDrawLineFunction(bool shading_enable, bool transparency_enable)
|
|
{
|
|
return (*DrawLineFunctions)[u8(shading_enable)][u8(transparency_enable)];
|
|
}
|
|
|
|
ALWAYS_INLINE static DrawRectangleFunction GetDrawRectangleFunction(bool texture_enable, bool raw_texture_enable,
|
|
bool transparency_enable)
|
|
{
|
|
return (*DrawRectangleFunctions)[u8(texture_enable)][u8(raw_texture_enable)][u8(transparency_enable)];
|
|
}
|
|
|
|
ALWAYS_INLINE static DrawTriangleFunction GetDrawTriangleFunction(bool shading_enable, bool texture_enable,
|
|
bool raw_texture_enable, bool transparency_enable)
|
|
{
|
|
return (
|
|
*DrawTriangleFunctions)[u8(shading_enable)][u8(texture_enable)][u8(raw_texture_enable)][u8(transparency_enable)];
|
|
}
|
|
|
|
#define DECLARE_ALTERNATIVE_RASTERIZER(isa) \
|
|
namespace isa { \
|
|
extern const DrawRectangleFunctionTable DrawRectangleFunctions; \
|
|
extern const DrawTriangleFunctionTable DrawTriangleFunctions; \
|
|
extern const DrawLineFunctionTable DrawLineFunctions; \
|
|
}
|
|
|
|
// Have to define the symbols globally, because clang won't include them otherwise.
|
|
#if defined(CPU_ARCH_SSE) && 0
|
|
#define ALTERNATIVE_RASTERIZER_LIST() DECLARE_ALTERNATIVE_RASTERIZER(AVX2)
|
|
#else
|
|
#define ALTERNATIVE_RASTERIZER_LIST()
|
|
#endif
|
|
|
|
ALTERNATIVE_RASTERIZER_LIST()
|
|
|
|
#undef DECLARE_ALTERNATIVE_RASTERIZER
|
|
|
|
} // namespace GPU_SW_Rasterizer
|