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GPU/HW: Ensure CLUT cache is synced when using SW-for-readbacks

This commit is contained in:
Stenzek 2024-05-23 14:30:18 +10:00
parent 6cad97b404
commit 10df7ba319
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3 changed files with 26 additions and 4 deletions
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5
src/core/gpu.cpp
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@ -1481,6 +1481,11 @@ void GPU::InvalidateCLUT()
m_current_clut_is_8bit = false;
}
bool GPU::IsCLUTValid() const
{
return (m_current_clut_reg_bits != std::numeric_limits<decltype(m_current_clut_reg_bits)>::max());
}
void GPU::ClearDisplay()
{
ClearDisplayTexture();

1
src/core/gpu.h
View File

@ -311,6 +311,7 @@ protected:
void HandleGetGPUInfoCommand(u32 value);
void UpdateCLUTIfNeeded(GPUTextureMode texmode, GPUTexturePaletteReg clut);
void InvalidateCLUT();
bool IsCLUTValid() const;
// Rendering in the backend
virtual void ReadVRAM(u32 x, u32 y, u32 width, u32 height);

24
src/core/gpu_hw.cpp
View File

@ -2594,10 +2594,16 @@ void GPU_HW::UpdateSoftwareRenderer(bool copy_vram_from_hw)
FlushRender();
ReadVRAM(0, 0, VRAM_WIDTH, VRAM_HEIGHT);
// Sync the drawing area.
GPUBackendSetDrawingAreaCommand* cmd = sw_renderer->NewSetDrawingAreaCommand();
cmd->new_area = m_drawing_area;
sw_renderer->PushCommand(cmd);
// Sync the drawing area and CLUT.
GPUBackendSetDrawingAreaCommand* clip_cmd = sw_renderer->NewSetDrawingAreaCommand();
clip_cmd->new_area = m_drawing_area;
sw_renderer->PushCommand(clip_cmd);
GPUBackendUpdateCLUTCommand* clut_cmd = sw_renderer->NewUpdateCLUTCommand();
FillBackendCommandParameters(clut_cmd);
clut_cmd->reg.bits = m_current_clut_reg_bits;
clut_cmd->clut_is_8bit = m_current_clut_is_8bit;
sw_renderer->PushCommand(clut_cmd);
}
m_sw_renderer = std::move(sw_renderer);
@ -3115,6 +3121,16 @@ void GPU_HW::UpdateCLUT(GPUTexturePaletteReg reg, bool clut_is_8bit)
// Not done in HW
GL_INS_FMT("Reloading CLUT from {},{}, {} not implemented", reg.GetXBase(), reg.GetYBase(),
clut_is_8bit ? "8-bit" : "4-bit");
// But need to forward through to SW if using that for readbacks
if (m_sw_renderer)
{
GPUBackendUpdateCLUTCommand* cmd = m_sw_renderer->NewUpdateCLUTCommand();
FillBackendCommandParameters(cmd);
cmd->reg.bits = reg.bits;
cmd->clut_is_8bit = clut_is_8bit;
m_sw_renderer->PushCommand(cmd);
}
}
void GPU_HW::FlushRender()