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GPU/HW: Implement oversized copies on GPU

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Fixes slowdown caused by this.
This commit is contained in:
Connor McLaughlin
2020-04-19 22:30:54 +10:00
parent 045c4d1745
commit 5ad133a278
8 changed files with 129 additions and 16 deletions
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34
src/core/gpu_hw_d3d11.cpp
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@ -404,6 +404,10 @@ bool GPU_HW_D3D11::CompileShaders()
if (!m_vram_write_pixel_shader)
return false;
m_vram_copy_pixel_shader = m_shader_cache.GetPixelShader(m_device.Get(), shadergen.GenerateVRAMCopyFragmentShader());
if (!m_vram_copy_pixel_shader)
return false;
for (u8 depth_24bit = 0; depth_24bit < 2; depth_24bit++)
{
for (u8 interlacing = 0; interlacing < 2; interlacing++)
@ -689,14 +693,30 @@ void GPU_HW_D3D11::UpdateVRAM(u32 x, u32 y, u32 width, u32 height, const void* d
void GPU_HW_D3D11::CopyVRAM(u32 src_x, u32 src_y, u32 dst_x, u32 dst_y, u32 width, u32 height)
{
if ((src_x + width) > VRAM_WIDTH || (src_y + height) > VRAM_HEIGHT || (dst_x + width) > VRAM_WIDTH ||
(dst_y + height) > VRAM_HEIGHT)
if (UseVRAMCopyShader(src_x, src_y, dst_x, dst_y, width, height))
{
Log_WarningPrintf("Oversized VRAM copy (%u,%u, %u,%u, %u,%u), CPU round trip", src_x, src_y, dst_x, dst_y, width,
height);
ReadVRAM(0, 0, VRAM_WIDTH, VRAM_HEIGHT);
GPU::CopyVRAM(src_x, src_y, dst_x, dst_y, width, height);
UpdateVRAM(0, 0, VRAM_WIDTH, VRAM_HEIGHT, m_vram_shadow.data());
const Common::Rectangle<u32> src_bounds = GetVRAMTransferBounds(src_x, src_y, width, height);
const Common::Rectangle<u32> dst_bounds = GetVRAMTransferBounds(dst_x, dst_y, width, height);
if (m_vram_dirty_rect.Intersects(src_bounds))
UpdateVRAMReadTexture();
IncludeVRAMDityRectangle(dst_bounds);
const VRAMCopyUBOData uniforms = {
src_x * m_resolution_scale,
src_y * m_resolution_scale,
dst_x * m_resolution_scale,
dst_y * m_resolution_scale,
width * m_resolution_scale,
height * m_resolution_scale,
m_GPUSTAT.set_mask_while_drawing ? 1u : 0u,
};
const Common::Rectangle<u32> dst_bounds_scaled(dst_bounds * m_resolution_scale);
SetViewportAndScissor(dst_bounds_scaled.left, dst_bounds_scaled.top, dst_bounds_scaled.GetWidth(),
dst_bounds_scaled.GetHeight());
m_context->PSSetShaderResources(0, 1, m_vram_read_texture.GetD3DSRVArray());
DrawUtilityShader(m_vram_copy_pixel_shader.Get(), &uniforms, sizeof(uniforms));
RestoreGraphicsAPIState();
return;
}