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GPU: Implement CLUT cache (SW renderer only)

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Fixes copyright screen in Shadow Master.
Fixes title splash in Castrol Honda Superbike Racing.
This commit is contained in:
Stenzek
2024-05-01 13:51:01 +10:00
parent d1483d8077
commit 1185f8f6aa
13 changed files with 159 additions and 35 deletions
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28
src/core/gpu_sw_backend.cpp
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@ -1,8 +1,8 @@
// SPDX-FileCopyrightText: 2019-2022 Connor McLaughlin <stenzek@gmail.com>
// SPDX-FileCopyrightText: 2019-2024 Connor McLaughlin <stenzek@gmail.com>
// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
#include "gpu.h"
#include "gpu_sw_backend.h"
#include "gpu.h"
#include "system.h"
#include "util/gpu_device.h"
@ -93,10 +93,8 @@ void ALWAYS_INLINE_RELEASE GPU_SW_Backend::ShadePixel(const GPUBackendDrawComman
const u16 palette_value =
GetPixel((cmd->draw_mode.GetTexturePageBaseX() + ZeroExtend32(texcoord_x / 4)) % VRAM_WIDTH,
(cmd->draw_mode.GetTexturePageBaseY() + ZeroExtend32(texcoord_y)) % VRAM_HEIGHT);
const u16 palette_index = (palette_value >> ((texcoord_x % 4) * 4)) & 0x0Fu;
texture_color.bits =
GetPixel((cmd->palette.GetXBase() + ZeroExtend32(palette_index)) % VRAM_WIDTH, cmd->palette.GetYBase());
const size_t palette_index = (palette_value >> ((texcoord_x % 4) * 4)) & 0x0Fu;
texture_color.bits = g_gpu_clut[palette_index];
}
break;
@ -105,9 +103,8 @@ void ALWAYS_INLINE_RELEASE GPU_SW_Backend::ShadePixel(const GPUBackendDrawComman
const u16 palette_value =
GetPixel((cmd->draw_mode.GetTexturePageBaseX() + ZeroExtend32(texcoord_x / 2)) % VRAM_WIDTH,
(cmd->draw_mode.GetTexturePageBaseY() + ZeroExtend32(texcoord_y)) % VRAM_HEIGHT);
const u16 palette_index = (palette_value >> ((texcoord_x % 2) * 8)) & 0xFFu;
texture_color.bits =
GetPixel((cmd->palette.GetXBase() + ZeroExtend32(palette_index)) % VRAM_WIDTH, cmd->palette.GetYBase());
const size_t palette_index = (palette_value >> ((texcoord_x % 2) * 8)) & 0xFFu;
texture_color.bits = g_gpu_clut[palette_index];
}
break;
@ -869,9 +866,18 @@ void GPU_SW_Backend::CopyVRAM(u32 src_x, u32 src_y, u32 dst_x, u32 dst_y, u32 wi
}
}
void GPU_SW_Backend::FlushRender() {}
void GPU_SW_Backend::FlushRender()
{
}
void GPU_SW_Backend::DrawingAreaChanged() {}
void GPU_SW_Backend::DrawingAreaChanged()
{
}
void GPU_SW_Backend::UpdateCLUT(GPUTexturePaletteReg reg, bool clut_is_8bit)
{
GPU::ReadCLUT(g_gpu_clut, reg, clut_is_8bit);
}
GPU_SW_Backend::DrawLineFunction GPU_SW_Backend::GetDrawLineFunction(bool shading_enable, bool transparency_enable,
bool dithering_enable)