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GPU/HW: Add an option to use software renderer for readbacks

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This commit is contained in:
Connor McLaughlin
2021-05-19 13:43:49 +10:00
parent 063eeeb214
commit 5d877250e9
19 changed files with 303 additions and 28 deletions
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11
src/core/gpu_hw_opengl.cpp
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@ -982,6 +982,12 @@ void GPU_HW_OpenGL::UpdateDisplay()
void GPU_HW_OpenGL::ReadVRAM(u32 x, u32 y, u32 width, u32 height)
{
if (IsUsingSoftwareRendererForReadbacks())
{
HandleVRAMReadWithSoftwareRenderer(x, y, width, height);
return;
}
// Get bounds with wrap-around handled.
const Common::Rectangle<u32> copy_rect = GetVRAMTransferBounds(x, y, width, height);
const u32 encoded_width = (copy_rect.GetWidth() + 1) / 2;
@ -1019,7 +1025,7 @@ void GPU_HW_OpenGL::FillVRAM(u32 x, u32 y, u32 width, u32 height, u32 color)
Log_WarningPrintf("Oversized VRAM fill (%u-%u, %u-%u), CPU round trip", x, x + width, y, y + height);
ReadVRAM(0, 0, VRAM_WIDTH, VRAM_HEIGHT);
GPU::FillVRAM(x, y, width, height, color);
UpdateVRAM(0, 0, VRAM_WIDTH, VRAM_HEIGHT, m_vram_shadow.data(), false, false);
UpdateVRAM(0, 0, VRAM_WIDTH, VRAM_HEIGHT, m_vram_ptr, false, false);
return;
}
@ -1182,6 +1188,9 @@ void GPU_HW_OpenGL::CopyVRAM(u32 src_x, u32 src_y, u32 dst_x, u32 dst_y, u32 wid
if (UseVRAMCopyShader(src_x, src_y, dst_x, dst_y, width, height))
{
if (IsUsingSoftwareRendererForReadbacks())
GPU_HW::CopyVRAM(src_x, src_y, dst_x, dst_y, width, height);
if (src_dirty)
UpdateVRAMReadTexture();
IncludeVRAMDirtyRectangle(dst_bounds);