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GPU: Implement interlaced rendering in hardware backends

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This commit is contained in:
Connor McLaughlin
2020-04-04 00:11:33 +10:00
parent bb3c0a2ccc
commit 2aecb570c1
13 changed files with 123 additions and 89 deletions
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12
src/core/gpu_hw_shadergen.cpp
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@ -345,7 +345,8 @@ void GPU_HW_ShaderGen::DeclareFragmentEntryPoint(std::stringstream& ss, u32 num_
void GPU_HW_ShaderGen::WriteBatchUniformBuffer(std::stringstream& ss)
{
DeclareUniformBuffer(ss, {"uint2 u_texture_window_mask", "uint2 u_texture_window_offset", "float u_src_alpha_factor",
"float u_dst_alpha_factor", "bool u_set_mask_while_drawing"});
"float u_dst_alpha_factor", "bool u_set_mask_while_drawing",
"int u_interlaced_displayed_field"});
}
std::string GPU_HW_ShaderGen::GenerateBatchVertexShader(bool textured)
@ -394,7 +395,8 @@ std::string GPU_HW_ShaderGen::GenerateBatchVertexShader(bool textured)
}
std::string GPU_HW_ShaderGen::GenerateBatchFragmentShader(GPU_HW::BatchRenderMode transparency,
GPU::TextureMode texture_mode, bool dithering)
GPU::TextureMode texture_mode, bool dithering,
bool interlacing)
{
const GPU::TextureMode actual_texture_mode = texture_mode & ~GPU::TextureMode::RawTextureBit;
const bool raw_texture = (texture_mode & GPU::TextureMode::RawTextureBit) == GPU::TextureMode::RawTextureBit;
@ -416,6 +418,7 @@ std::string GPU_HW_ShaderGen::GenerateBatchFragmentShader(GPU_HW::BatchRenderMod
DefineMacro(ss, "RAW_TEXTURE", raw_texture);
DefineMacro(ss, "DITHERING", dithering);
DefineMacro(ss, "DITHERING_SCALED", m_scaled_dithering);
DefineMacro(ss, "INTERLACING", interlacing);
DefineMacro(ss, "TRUE_COLOR", m_true_color);
DefineMacro(ss, "TEXTURE_FILTERING", m_texture_filering);
DefineMacro(ss, "USE_DUAL_SOURCE", use_dual_source);
@ -519,6 +522,11 @@ float4 SampleFromVRAM(int4 texpage, int2 icoord)
float ialpha;
float oalpha;
#if INTERLACING
if (((int(v_pos.y) / RESOLUTION_SCALE) & 1) == u_interlaced_displayed_field)
discard;
#endif
#if TEXTURED
#if TEXTURE_FILTERING
int2 icoord = int2(v_tex0);