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GPU: Implement interlaced VRAM fills

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This commit is contained in:
Connor McLaughlin
2020-04-04 00:11:39 +10:00
parent 2aecb570c1
commit c483a78889
13 changed files with 155 additions and 39 deletions
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24
src/core/gpu_hw_shadergen.cpp
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@ -523,7 +523,7 @@ float4 SampleFromVRAM(int4 texpage, int2 icoord)
float oalpha;
#if INTERLACING
if (((int(v_pos.y) / RESOLUTION_SCALE) & 1) == u_interlaced_displayed_field)
if (((fixYCoord(int(v_pos.y)) / RESOLUTION_SCALE) & 1) == u_interlaced_displayed_field)
discard;
#endif
@ -732,6 +732,26 @@ std::string GPU_HW_ShaderGen::GenerateFillFragmentShader()
return ss.str();
}
std::string GPU_HW_ShaderGen::GenerateInterlacedFillFragmentShader()
{
std::stringstream ss;
WriteHeader(ss);
WriteCommonFunctions(ss);
DeclareUniformBuffer(ss, {"float4 u_fill_color", "int u_interlaced_displayed_field"});
DeclareFragmentEntryPoint(ss, 0, 1, {}, true, false);
ss << R"(
{
if (((fixYCoord(int(v_pos.y)) / RESOLUTION_SCALE) & 1) == u_interlaced_displayed_field)
discard;
o_col0 = u_fill_color;
}
)";
return ss.str();
}
std::string GPU_HW_ShaderGen::GenerateCopyFragmentShader()
{
std::stringstream ss;
@ -767,7 +787,7 @@ std::string GPU_HW_ShaderGen::GenerateDisplayFragmentShader(bool depth_24bit, bo
int2 icoords = int2(v_pos.xy);
#if INTERLACED
if (((icoords.y / RESOLUTION_SCALE) & 1) != u_field_offset)
if (((fixYCoord(icoords.y) / RESOLUTION_SCALE) & 1) != u_field_offset)
discard;
#endif