diff options
Diffstat (limited to 'src/video_core/renderer_opengl/gl_shader_decompiler.cpp')
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 136 |
1 files changed, 79 insertions, 57 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 70e124dc4..db18f4dbe 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -616,17 +616,8 @@ private: std::string VisitOperand(Operation operation, std::size_t operand_index, Type type) { std::string value = VisitOperand(operation, operand_index); - switch (type) { - case Type::Bool: - case Type::Bool2: - case Type::Float: - return value; - case Type::Int: - return "ftoi(" + value + ')'; - case Type::Uint: - return "ftou(" + value + ')'; - case Type::HalfFloat: + case Type::HalfFloat: { const auto half_meta = std::get_if<MetaHalfArithmetic>(&operation.GetMeta()); if (!half_meta) { value = "toHalf2(" + value + ')'; @@ -643,6 +634,26 @@ private: return "vec2(toHalf2(" + value + ")[1])"; } } + default: + return CastOperand(value, type); + } + } + + std::string CastOperand(const std::string& value, Type type) const { + switch (type) { + case Type::Bool: + case Type::Bool2: + case Type::Float: + return value; + case Type::Int: + return "ftoi(" + value + ')'; + case Type::Uint: + return "ftou(" + value + ')'; + case Type::HalfFloat: + // Can't be handled as a stand-alone value + UNREACHABLE(); + return value; + } UNREACHABLE(); return value; } @@ -650,6 +661,7 @@ private: std::string BitwiseCastResult(std::string value, Type type, bool needs_parenthesis = false) { switch (type) { case Type::Bool: + case Type::Bool2: case Type::Float: if (needs_parenthesis) { return '(' + value + ')'; @@ -719,45 +731,51 @@ private: constexpr std::array<const char*, 4> coord_constructors = {"float", "vec2", "vec3", "vec4"}; const auto meta = std::get_if<MetaTexture>(&operation.GetMeta()); - const auto count = static_cast<u32>(operation.GetOperandsCount()); ASSERT(meta); + const std::size_t count = operation.GetOperandsCount(); + const bool has_array = meta->sampler.IsArray(); + const bool has_shadow = meta->sampler.IsShadow(); + std::string expr = func; expr += '('; expr += GetSampler(meta->sampler); expr += ", "; - expr += coord_constructors[meta->coords_count - 1]; + expr += coord_constructors.at(count + (has_array ? 1 : 0) + (has_shadow ? 1 : 0) - 1); expr += '('; - for (u32 i = 0; i < count; ++i) { - const bool is_extra = i >= meta->coords_count; - const bool is_array = i == meta->array_index; - - std::string operand = [&]() { - if (is_extra && is_extra_int) { - if (const auto immediate = std::get_if<ImmediateNode>(operation[i])) { - return std::to_string(static_cast<s32>(immediate->GetValue())); - } else { - return "ftoi(" + Visit(operation[i]) + ')'; - } - } else { - return Visit(operation[i]); - } - }(); - if (is_array) { - ASSERT(!is_extra); - operand = "float(ftoi(" + operand + "))"; - } + for (std::size_t i = 0; i < count; ++i) { + expr += Visit(operation[i]); - expr += operand; - - if (i + 1 == meta->coords_count) { - expr += ')'; - } - if (i + 1 < count) { + const std::size_t next = i + 1; + if (next < count || has_array || has_shadow) + expr += ", "; + } + if (has_array) { + expr += "float(ftoi(" + Visit(meta->array) + "))"; + } + if (has_shadow) { + if (has_array) expr += ", "; + expr += Visit(meta->depth_compare); + } + expr += ')'; + + for (const Node extra : meta->extras) { + expr += ", "; + if (is_extra_int) { + if (const auto immediate = std::get_if<ImmediateNode>(extra)) { + // Inline the string as an immediate integer in GLSL (some extra arguments are + // required to be constant) + expr += std::to_string(static_cast<s32>(immediate->GetValue())); + } else { + expr += "ftoi(" + Visit(extra) + ')'; + } + } else { + expr += Visit(extra); } } + expr += ')'; return expr; } @@ -1134,7 +1152,7 @@ private: Type::HalfFloat); } - std::string F4Texture(Operation operation) { + std::string Texture(Operation operation) { const auto meta = std::get_if<MetaTexture>(&operation.GetMeta()); ASSERT(meta); @@ -1145,7 +1163,7 @@ private: return expr + GetSwizzle(meta->element); } - std::string F4TextureLod(Operation operation) { + std::string TextureLod(Operation operation) { const auto meta = std::get_if<MetaTexture>(&operation.GetMeta()); ASSERT(meta); @@ -1156,7 +1174,7 @@ private: return expr + GetSwizzle(meta->element); } - std::string F4TextureGather(Operation operation) { + std::string TextureGather(Operation operation) { const auto meta = std::get_if<MetaTexture>(&operation.GetMeta()); ASSERT(meta); @@ -1164,7 +1182,7 @@ private: GetSwizzle(meta->element); } - std::string F4TextureQueryDimensions(Operation operation) { + std::string TextureQueryDimensions(Operation operation) { const auto meta = std::get_if<MetaTexture>(&operation.GetMeta()); ASSERT(meta); @@ -1184,7 +1202,7 @@ private: return "0"; } - std::string F4TextureQueryLod(Operation operation) { + std::string TextureQueryLod(Operation operation) { const auto meta = std::get_if<MetaTexture>(&operation.GetMeta()); ASSERT(meta); @@ -1195,29 +1213,33 @@ private: return "0"; } - std::string F4TexelFetch(Operation operation) { + std::string TexelFetch(Operation operation) { constexpr std::array<const char*, 4> constructors = {"int", "ivec2", "ivec3", "ivec4"}; const auto meta = std::get_if<MetaTexture>(&operation.GetMeta()); - const auto count = static_cast<u32>(operation.GetOperandsCount()); ASSERT(meta); + UNIMPLEMENTED_IF(meta->sampler.IsArray()); + const std::size_t count = operation.GetOperandsCount(); std::string expr = "texelFetch("; expr += GetSampler(meta->sampler); expr += ", "; - expr += constructors[meta->coords_count - 1]; + expr += constructors.at(operation.GetOperandsCount() - 1); expr += '('; - for (u32 i = 0; i < count; ++i) { + for (std::size_t i = 0; i < count; ++i) { expr += VisitOperand(operation, i, Type::Int); - - if (i + 1 == meta->coords_count) { + const std::size_t next = i + 1; + if (next == count) expr += ')'; - } - if (i + 1 < count) { + else if (next < count) expr += ", "; - } + } + for (std::size_t i = 0; i < meta->extras.size(); ++i) { + expr += ", "; + expr += CastOperand(Visit(meta->extras.at(i)), Type::Int); } expr += ')'; + return expr + GetSwizzle(meta->element); } @@ -1454,12 +1476,12 @@ private: &GLSLDecompiler::Logical2HNotEqual, &GLSLDecompiler::Logical2HGreaterEqual, - &GLSLDecompiler::F4Texture, - &GLSLDecompiler::F4TextureLod, - &GLSLDecompiler::F4TextureGather, - &GLSLDecompiler::F4TextureQueryDimensions, - &GLSLDecompiler::F4TextureQueryLod, - &GLSLDecompiler::F4TexelFetch, + &GLSLDecompiler::Texture, + &GLSLDecompiler::TextureLod, + &GLSLDecompiler::TextureGather, + &GLSLDecompiler::TextureQueryDimensions, + &GLSLDecompiler::TextureQueryLod, + &GLSLDecompiler::TexelFetch, &GLSLDecompiler::Branch, &GLSLDecompiler::PushFlowStack, |