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Rewrite host GPU abstraction

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- Don't have to repeat the same thing for 4 renderers.
 - Add native Metal renderer.
This commit is contained in:
Stenzek
2023-08-13 13:42:02 +10:00
parent bfa792ddbf
commit e3d9ba4c99
249 changed files with 28851 additions and 32222 deletions
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47
src/core/gpu_hw_shadergen.cpp
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@ -1162,6 +1162,8 @@ std::string GPU_HW_ShaderGen::GenerateVRAMWriteFragmentShader(bool use_ssbo)
ss << "layout(std430";
if (IsVulkan())
ss << ", set = 0, binding = 0";
else if (IsMetal())
ss << ", set = 0, binding = 1";
else if (m_use_glsl_binding_layout)
ss << ", binding = 0";
@ -1327,13 +1329,37 @@ std::string GPU_HW_ShaderGen::GenerateVRAMUpdateDepthFragmentShader()
return ss.str();
}
void GPU_HW_ShaderGen::WriteAdaptiveDownsampleUniformBuffer(std::stringstream& ss)
{
DeclareUniformBuffer(ss, {"float2 u_uv_min", "float2 u_uv_max", "float2 u_rcp_resolution", "float u_lod"}, true);
}
std::string GPU_HW_ShaderGen::GenerateAdaptiveDownsampleVertexShader()
{
std::stringstream ss;
WriteHeader(ss);
WriteAdaptiveDownsampleUniformBuffer(ss);
DeclareVertexEntryPoint(ss, {}, 0, 1, {}, true);
ss << R"(
{
v_tex0 = float2(float((v_id << 1) & 2u), float(v_id & 2u));
v_pos = float4(v_tex0 * float2(2.0f, -2.0f) + float2(-1.0f, 1.0f), 0.0f, 1.0f);
v_tex0 = u_uv_min + (u_uv_max - u_uv_min) * v_tex0;
#if API_OPENGL || API_OPENGL_ES || API_VULKAN
v_pos.y = -v_pos.y;
#endif
}
)";
return ss.str();
}
std::string GPU_HW_ShaderGen::GenerateAdaptiveDownsampleMipFragmentShader(bool first_pass)
{
std::stringstream ss;
WriteHeader(ss);
WriteCommonFunctions(ss);
WriteAdaptiveDownsampleUniformBuffer(ss);
DeclareTexture(ss, "samp0", 0, false);
DeclareUniformBuffer(ss, {"float2 u_uv_min", "float2 u_uv_max", "float2 u_rcp_resolution"}, true);
DefineMacro(ss, "FIRST_PASS", first_pass);
// mipmap_energy.glsl ported from parallel-rsx.
@ -1368,16 +1394,16 @@ float4 get_bias(float4 c00, float4 c01, float4 c10, float4 c11)
{
float2 uv = v_tex0 - (u_rcp_resolution * 0.25);
#ifdef FIRST_PASS
vec3 c00 = SAMPLE_TEXTURE_OFFSET(samp0, uv, int2(0, 0)).rgb;
vec3 c01 = SAMPLE_TEXTURE_OFFSET(samp0, uv, int2(0, 1)).rgb;
vec3 c10 = SAMPLE_TEXTURE_OFFSET(samp0, uv, int2(1, 0)).rgb;
vec3 c11 = SAMPLE_TEXTURE_OFFSET(samp0, uv, int2(1, 1)).rgb;
vec3 c00 = SAMPLE_TEXTURE_LEVEL_OFFSET(samp0, uv, u_lod, int2(0, 0)).rgb;
vec3 c01 = SAMPLE_TEXTURE_LEVEL_OFFSET(samp0, uv, u_lod, int2(0, 1)).rgb;
vec3 c10 = SAMPLE_TEXTURE_LEVEL_OFFSET(samp0, uv, u_lod, int2(1, 0)).rgb;
vec3 c11 = SAMPLE_TEXTURE_LEVEL_OFFSET(samp0, uv, u_lod, int2(1, 1)).rgb;
o_col0 = get_bias(c00, c01, c10, c11);
#else
vec4 c00 = SAMPLE_TEXTURE_OFFSET(samp0, uv, int2(0, 0));
vec4 c01 = SAMPLE_TEXTURE_OFFSET(samp0, uv, int2(0, 1));
vec4 c10 = SAMPLE_TEXTURE_OFFSET(samp0, uv, int2(1, 0));
vec4 c11 = SAMPLE_TEXTURE_OFFSET(samp0, uv, int2(1, 1));
vec4 c00 = SAMPLE_TEXTURE_LEVEL_OFFSET(samp0, uv, u_lod, int2(0, 0));
vec4 c01 = SAMPLE_TEXTURE_LEVEL_OFFSET(samp0, uv, u_lod, int2(0, 1));
vec4 c10 = SAMPLE_TEXTURE_LEVEL_OFFSET(samp0, uv, u_lod, int2(1, 0));
vec4 c11 = SAMPLE_TEXTURE_LEVEL_OFFSET(samp0, uv, u_lod, int2(1, 1));
o_col0 = get_bias(c00, c01, c10, c11);
#endif
}
@ -1391,9 +1417,8 @@ std::string GPU_HW_ShaderGen::GenerateAdaptiveDownsampleBlurFragmentShader()
std::stringstream ss;
WriteHeader(ss);
WriteCommonFunctions(ss);
WriteAdaptiveDownsampleUniformBuffer(ss);
DeclareTexture(ss, "samp0", 0, false);
DeclareUniformBuffer(ss, {"float2 u_uv_min", "float2 u_uv_max", "float2 u_rcp_resolution", "float sample_level"},
true);
// mipmap_blur.glsl ported from parallel-rsx.
DeclareFragmentEntryPoint(ss, 0, 1, {}, false, 1, false, false, false, false);