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GPU/HW: Use texture samplers rather than fetching for batches 

Enables wrap-around.
This commit is contained in:
Connor McLaughlin 2020-08-04 13:20:15 +10:00
parent 0fc301d654
commit 0b0bc32afb
2 changed files with 4 additions and 11 deletions
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1
src/core/gpu_hw_d3d11.cpp
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@ -111,6 +111,7 @@ void GPU_HW_D3D11::RestoreGraphicsAPIState()
m_context->IASetInputLayout(m_batch_input_layout.Get());
m_context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
m_context->PSSetShaderResources(0, 1, m_vram_read_texture.GetD3DSRVArray());
m_context->PSSetSamplers(0, 1, m_point_sampler_state.GetAddressOf());
m_context->OMSetRenderTargets(1, m_vram_texture.GetD3DRTVArray(), m_vram_depth_view.Get());
m_context->RSSetState(m_cull_none_rasterizer_state.Get());
SetViewport(0, 0, m_vram_texture.GetWidth(), m_vram_texture.GetHeight());

14
src/core/gpu_hw_shadergen.cpp
View File

@ -147,10 +147,6 @@ void GPU_HW_ShaderGen::WriteHeader(std::stringstream& ss)
ss << "#define CONSTANT const\n";
ss << "#define VECTOR_EQ(a, b) ((a) == (b))\n";
ss << "#define VECTOR_NEQ(a, b) ((a) != (b))\n";
ss << "#define VECTOR_LT(a, b) (any(lessThan((a), (b))))\n";
ss << "#define VECTOR_LE(a, b) (any(lessThanEqual((a), (b))))\n";
ss << "#define VECTOR_GT(a, b) (any(greaterThan((a), (b))))\n";
ss << "#define VECTOR_GE(a, b) (any(greaterThanEqual((a), (b))))\n";
ss << "#define SAMPLE_TEXTURE(name, coords) texture(name, coords)\n";
ss << "#define LOAD_TEXTURE(name, coords, mip) texelFetch(name, coords, mip)\n";
ss << "#define LOAD_TEXTURE_OFFSET(name, coords, mip, offset) texelFetchOffset(name, coords, mip, offset)\n";
@ -163,10 +159,6 @@ void GPU_HW_ShaderGen::WriteHeader(std::stringstream& ss)
ss << "#define CONSTANT static const\n";
ss << "#define VECTOR_EQ(a, b) (all((a) == (b)))\n";
ss << "#define VECTOR_NEQ(a, b) (any((a) != (b)))\n";
ss << "#define VECTOR_LT(a, b) (any((a) < (b)))\n";
ss << "#define VECTOR_LE(a, b) (any((a) <= (b)))\n";
ss << "#define VECTOR_GT(a, b) (any((a) > (b)))\n";
ss << "#define VECTOR_GE(a, b) (any((a) >= (b)))\n";
ss << "#define SAMPLE_TEXTURE(name, coords) name.Sample(name##_ss, coords)\n";
ss << "#define LOAD_TEXTURE(name, coords, mip) name.Load(int3(coords, mip))\n";
ss << "#define LOAD_TEXTURE_OFFSET(name, coords, mip, offset) name.Load(int3(coords, mip), offset)\n";
@ -684,7 +676,7 @@ float4 SampleFromVRAM(uint4 texpage, float2 coords)
uint2 vicoord = uint2(texpage.x + index_coord.x * RESOLUTION_SCALE, fixYCoord(texpage.y + index_coord.y * RESOLUTION_SCALE));
// load colour/palette
float4 texel = LOAD_TEXTURE(samp0, int2(vicoord), 0);
float4 texel = SAMPLE_TEXTURE(samp0, float2(vicoord) * RCP_VRAM_SIZE);
uint vram_value = RGBA8ToRGBA5551(texel);
// apply palette
@ -698,12 +690,12 @@ float4 SampleFromVRAM(uint4 texpage, float2 coords)
// sample palette
uint2 palette_icoord = uint2(texpage.z + (palette_index * RESOLUTION_SCALE), fixYCoord(texpage.w));
return LOAD_TEXTURE(samp0, int2(palette_icoord), 0);
return SAMPLE_TEXTURE(samp0, float2(palette_icoord) * RCP_VRAM_SIZE);
#else
// Direct texturing. Render-to-texture effects. Use upscaled coordinates.
uint2 icoord = ApplyUpscaledTextureWindow(FloatToIntegerCoords(coords));
uint2 direct_icoord = uint2(texpage.x + icoord.x, fixYCoord(texpage.y + icoord.y));
return LOAD_TEXTURE(samp0, int2(direct_icoord), 0);
return SAMPLE_TEXTURE(samp0, float2(direct_icoord) * RCP_VRAM_SIZE);
#endif
}
#endif