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Merge pull request #5403 from lioncash/gen2

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gl_shader_gen: Minor string cleanups
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Marshall Mohror 2020-06-20 13:09:24 -05:00 committed by GitHub
commit 353780e1c9
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 52 additions and 64 deletions
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116
src/video_core/renderer_opengl/gl_shader_gen.cpp
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@ -971,8 +971,8 @@ using ProcTexShift = TexturingRegs::ProcTexShift;
using ProcTexCombiner = TexturingRegs::ProcTexCombiner; using ProcTexCombiner = TexturingRegs::ProcTexCombiner;
using ProcTexFilter = TexturingRegs::ProcTexFilter; using ProcTexFilter = TexturingRegs::ProcTexFilter;
void AppendProcTexShiftOffset(std::string& out, std::string_view v, ProcTexShift mode, static void AppendProcTexShiftOffset(std::string& out, std::string_view v, ProcTexShift mode,
ProcTexClamp clamp_mode) { ProcTexClamp clamp_mode) {
const std::string_view offset = (clamp_mode == ProcTexClamp::MirroredRepeat) ? "1.0" : "0.5"; const std::string_view offset = (clamp_mode == ProcTexClamp::MirroredRepeat) ? "1.0" : "0.5";
switch (mode) { switch (mode) {
case ProcTexShift::None: case ProcTexShift::None:
@ -991,7 +991,7 @@ void AppendProcTexShiftOffset(std::string& out, std::string_view v, ProcTexShift
} }
} }
void AppendProcTexClamp(std::string& out, std::string_view var, ProcTexClamp mode) { static void AppendProcTexClamp(std::string& out, std::string_view var, ProcTexClamp mode) {
switch (mode) { switch (mode) {
case ProcTexClamp::ToZero: case ProcTexClamp::ToZero:
out += fmt::format("{0} = {0} > 1.0 ? 0 : {0};\n", var); out += fmt::format("{0} = {0} > 1.0 ? 0 : {0};\n", var);
@ -1016,49 +1016,40 @@ void AppendProcTexClamp(std::string& out, std::string_view var, ProcTexClamp mod
} }
} }
void AppendProcTexCombineAndMap(std::string& out, ProcTexCombiner combiner, static void AppendProcTexCombineAndMap(std::string& out, ProcTexCombiner combiner,
std::string_view offset) { std::string_view offset) {
std::string combined; const auto combined = [combiner]() -> std::string_view {
switch (combiner) { switch (combiner) {
case ProcTexCombiner::U: case ProcTexCombiner::U:
combined = "u"; return "u";
break; case ProcTexCombiner::U2:
case ProcTexCombiner::U2: return "(u * u)";
combined = "(u * u)"; case TexturingRegs::ProcTexCombiner::V:
break; return "v";
case TexturingRegs::ProcTexCombiner::V: case TexturingRegs::ProcTexCombiner::V2:
combined = "v"; return "(v * v)";
break; case TexturingRegs::ProcTexCombiner::Add:
case TexturingRegs::ProcTexCombiner::V2: return "((u + v) * 0.5)";
combined = "(v * v)"; case TexturingRegs::ProcTexCombiner::Add2:
break; return "((u * u + v * v) * 0.5)";
case TexturingRegs::ProcTexCombiner::Add: case TexturingRegs::ProcTexCombiner::SqrtAdd2:
combined = "((u + v) * 0.5)"; return "min(sqrt(u * u + v * v), 1.0)";
break; case TexturingRegs::ProcTexCombiner::Min:
case TexturingRegs::ProcTexCombiner::Add2: return "min(u, v)";
combined = "((u * u + v * v) * 0.5)"; case TexturingRegs::ProcTexCombiner::Max:
break; return "max(u, v)";
case TexturingRegs::ProcTexCombiner::SqrtAdd2: case TexturingRegs::ProcTexCombiner::RMax:
combined = "min(sqrt(u * u + v * v), 1.0)"; return "min(((u + v) * 0.5 + sqrt(u * u + v * v)) * 0.5, 1.0)";
break; default:
case TexturingRegs::ProcTexCombiner::Min: LOG_CRITICAL(HW_GPU, "Unknown combiner {}", static_cast<u32>(combiner));
combined = "min(u, v)"; return "0.0";
break; }
case TexturingRegs::ProcTexCombiner::Max: }();
combined = "max(u, v)";
break;
case TexturingRegs::ProcTexCombiner::RMax:
combined = "min(((u + v) * 0.5 + sqrt(u * u + v * v)) * 0.5, 1.0)";
break;
default:
LOG_CRITICAL(HW_GPU, "Unknown combiner {}", static_cast<u32>(combiner));
combined = "0.0";
break;
}
out += fmt::format("ProcTexLookupLUT({}, {})", offset, combined); out += fmt::format("ProcTexLookupLUT({}, {})", offset, combined);
} }
void AppendProcTexSampler(std::string& out, const PicaFSConfig& config) { static void AppendProcTexSampler(std::string& out, const PicaFSConfig& config) {
// LUT sampling uitlity // LUT sampling uitlity
// For NoiseLUT/ColorMap/AlphaMap, coord=0.0 is lut[0], coord=127.0/128.0 is lut[127] and // For NoiseLUT/ColorMap/AlphaMap, coord=0.0 is lut[0], coord=127.0/128.0 is lut[127] and
// coord=1.0 is lut[127]+lut_diff[127]. For other indices, the result is interpolated using // coord=1.0 is lut[127]+lut_diff[127]. For other indices, the result is interpolated using
@ -1479,7 +1470,7 @@ vec4 secondary_fragment_color = vec4(0.0);
// Do not do any sort of processing if it's obvious we're not going to pass the alpha test // Do not do any sort of processing if it's obvious we're not going to pass the alpha test
if (state.alpha_test_func == FramebufferRegs::CompareFunc::Never) { if (state.alpha_test_func == FramebufferRegs::CompareFunc::Never) {
out += "discard; }"; out += "discard; }";
return {out}; return {std::move(out)};
} }
// Append the scissor test // Append the scissor test
@ -1545,7 +1536,7 @@ vec4 secondary_fragment_color = vec4(0.0);
"VideoCore_Pica_UseGasMode", true); "VideoCore_Pica_UseGasMode", true);
LOG_CRITICAL(Render_OpenGL, "Unimplemented gas mode"); LOG_CRITICAL(Render_OpenGL, "Unimplemented gas mode");
out += "discard; }"; out += "discard; }";
return {out}; return {std::move(out)};
} }
if (state.shadow_rendering) { if (state.shadow_rendering) {
@ -1583,7 +1574,7 @@ do {
out += '}'; out += '}';
return {out}; return {std::move(out)};
} }
ShaderDecompiler::ProgramResult GenerateTrivialVertexShader(bool separable_shader) { ShaderDecompiler::ProgramResult GenerateTrivialVertexShader(bool separable_shader) {
@ -1592,22 +1583,19 @@ ShaderDecompiler::ProgramResult GenerateTrivialVertexShader(bool separable_shade
out += "#extension GL_ARB_separate_shader_objects : enable\n"; out += "#extension GL_ARB_separate_shader_objects : enable\n";
} }
out += fmt::format("layout(location = {}) in vec4 vert_position;\n",
static_cast<int>(ATTRIBUTE_POSITION));
out += fmt::format("layout(location = {}) in vec4 vert_color;\n",
static_cast<int>(ATTRIBUTE_COLOR));
out += fmt::format("layout(location = {}) in vec2 vert_texcoord0;\n",
static_cast<int>(ATTRIBUTE_TEXCOORD0));
out += fmt::format("layout(location = {}) in vec2 vert_texcoord1;\n",
static_cast<int>(ATTRIBUTE_TEXCOORD1));
out += fmt::format("layout(location = {}) in vec2 vert_texcoord2;\n",
static_cast<int>(ATTRIBUTE_TEXCOORD2));
out += fmt::format("layout(location = {}) in float vert_texcoord0_w;\n",
static_cast<int>(ATTRIBUTE_TEXCOORD0_W));
out += fmt::format("layout(location = {}) in vec4 vert_normquat;\n",
static_cast<int>(ATTRIBUTE_NORMQUAT));
out += out +=
fmt::format("layout(location = {}) in vec3 vert_view;\n", static_cast<int>(ATTRIBUTE_VIEW)); fmt::format("layout(location = {}) in vec4 vert_position;\n"
"layout(location = {}) in vec4 vert_color;\n"
"layout(location = {}) in vec2 vert_texcoord0;\n"
"layout(location = {}) in vec2 vert_texcoord1;\n"
"layout(location = {}) in vec2 vert_texcoord2;\n"
"layout(location = {}) in float vert_texcoord0_w;\n"
"layout(location = {}) in vec4 vert_normquat;\n"
"layout(location = {}) in vec3 vert_view;\n",
static_cast<int>(ATTRIBUTE_POSITION), static_cast<int>(ATTRIBUTE_COLOR),
static_cast<int>(ATTRIBUTE_TEXCOORD0), static_cast<int>(ATTRIBUTE_TEXCOORD1),
static_cast<int>(ATTRIBUTE_TEXCOORD2), static_cast<int>(ATTRIBUTE_TEXCOORD0_W),
static_cast<int>(ATTRIBUTE_NORMQUAT), static_cast<int>(ATTRIBUTE_VIEW));
out += GetVertexInterfaceDeclaration(true, separable_shader); out += GetVertexInterfaceDeclaration(true, separable_shader);
@ -1631,7 +1619,7 @@ void main() {
} }
)"; )";
return {out}; return {std::move(out)};
} }
std::optional<ShaderDecompiler::ProgramResult> GenerateVertexShader( std::optional<ShaderDecompiler::ProgramResult> GenerateVertexShader(
@ -1696,7 +1684,7 @@ layout (std140) uniform vs_config {
out += program_source; out += program_source;
return {{out}}; return {{std::move(out)}};
} }
static std::string GetGSCommonSource(const PicaGSConfigCommonRaw& config, bool separable_shader) { static std::string GetGSCommonSource(const PicaGSConfigCommonRaw& config, bool separable_shader) {
@ -1814,6 +1802,6 @@ void main() {
out += " EmitPrim(prim_buffer[0], prim_buffer[1], prim_buffer[2]);\n"; out += " EmitPrim(prim_buffer[0], prim_buffer[1], prim_buffer[2]);\n";
out += "}\n"; out += "}\n";
return {out}; return {std::move(out)};
} }
} // namespace OpenGL } // namespace OpenGL