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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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5
src/core/gpu_commands.cpp
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@ -198,6 +198,7 @@ bool GPU::HandleClearCacheCommand()
{
Log_DebugPrintf("GP0 clear cache");
m_draw_mode.SetTexturePageChanged();
InvalidateCLUT();
m_fifo.RemoveOne();
AddCommandTicks(1);
EndCommand();
@ -347,6 +348,7 @@ bool GPU::HandleRenderPolygonCommand()
SetDrawMode((texpage_attribute & GPUDrawModeReg::POLYGON_TEXPAGE_MASK) |
(m_draw_mode.mode_reg.bits & ~GPUDrawModeReg::POLYGON_TEXPAGE_MASK));
SetTexturePalette(Truncate16(FifoPeek(2) >> 16));
UpdateCLUTIfNeeded(m_draw_mode.mode_reg.texture_mode, m_draw_mode.palette_reg);
}
m_counters.num_vertices += num_vertices;
@ -371,7 +373,10 @@ bool GPU::HandleRenderRectangleCommand()
SynchronizeCRTC();
if (rc.texture_enable)
{
SetTexturePalette(Truncate16(FifoPeek(2) >> 16));
UpdateCLUTIfNeeded(m_draw_mode.mode_reg.texture_mode, m_draw_mode.palette_reg);
}
const TickCount setup_ticks = 16;
AddCommandTicks(setup_ticks);