diff options
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 38 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_gen.cpp | 19 |
2 files changed, 21 insertions, 36 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index e9f8d40db..1ca9825b4 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -45,7 +45,6 @@ struct TextureAoffi {}; using TextureArgument = std::pair<Type, Node>; using TextureIR = std::variant<TextureAoffi, TextureArgument>; -enum : u32 { POSITION_VARYING_LOCATION = 0, GENERIC_VARYING_START_LOCATION = 1 }; constexpr u32 MAX_CONSTBUFFER_ELEMENTS = static_cast<u32>(RasterizerOpenGL::MaxConstbufferSize) / (4 * sizeof(float)); @@ -247,6 +246,12 @@ private: code.AddLine("layout ({}, max_vertices = {}) out;", topology, max_vertices); code.AddNewLine(); + code.AddLine("in gl_PerVertex {{"); + ++code.scope; + code.AddLine("vec4 gl_Position;"); + --code.scope; + code.AddLine("}} gl_in[];"); + DeclareVertexRedeclarations(); } @@ -349,7 +354,7 @@ private: } void DeclareInputAttribute(Attribute::Index index, bool skip_unused) { - const u32 generic_index{GetGenericAttributeIndex(index)}; + const u32 location{GetGenericAttributeIndex(index)}; std::string name{GetInputAttribute(index)}; if (stage == ShaderStage::Geometry) { @@ -358,19 +363,13 @@ private: std::string suffix; if (stage == ShaderStage::Fragment) { - const auto input_mode{header.ps.GetAttributeUse(generic_index)}; + const auto input_mode{header.ps.GetAttributeUse(location)}; if (skip_unused && input_mode == AttributeUse::Unused) { return; } suffix = GetInputFlags(input_mode); } - u32 location = generic_index; - if (stage != ShaderStage::Vertex) { - // If inputs are varyings, add an offset - location += GENERIC_VARYING_START_LOCATION; - } - code.AddLine("layout (location = {}) {} in vec4 {};", location, suffix, name); } @@ -395,7 +394,7 @@ private: } void DeclareOutputAttribute(Attribute::Index index) { - const u32 location{GetGenericAttributeIndex(index) + GENERIC_VARYING_START_LOCATION}; + const u32 location{GetGenericAttributeIndex(index)}; code.AddLine("layout (location = {}) out vec4 {};", location, GetOutputAttribute(index)); } @@ -633,10 +632,14 @@ private: switch (attribute) { case Attribute::Index::Position: - if (stage != ShaderStage::Fragment) { - return GeometryPass("position") + GetSwizzle(element); - } else { + switch (stage) { + case ShaderStage::Geometry: + return fmt::format("gl_in[ftou({})].gl_Position{}", Visit(buffer), + GetSwizzle(element)); + case ShaderStage::Fragment: return element == 3 ? "1.0f" : ("gl_FragCoord"s + GetSwizzle(element)); + default: + UNREACHABLE(); } case Attribute::Index::PointCoord: switch (element) { @@ -921,7 +924,7 @@ private: target = [&]() -> std::string { switch (const auto attribute = abuf->GetIndex(); abuf->GetIndex()) { case Attribute::Index::Position: - return "position"s + GetSwizzle(abuf->GetElement()); + return "gl_Position"s + GetSwizzle(abuf->GetElement()); case Attribute::Index::PointSize: return "gl_PointSize"; case Attribute::Index::ClipDistances0123: @@ -1506,9 +1509,7 @@ private: // If a geometry shader is attached, it will always flip (it's the last stage before // fragment). For more info about flipping, refer to gl_shader_gen.cpp. - code.AddLine("position.xy *= viewport_flip.xy;"); - code.AddLine("gl_Position = position;"); - code.AddLine("position.w = 1.0;"); + code.AddLine("gl_Position.xy *= viewport_flip.xy;"); code.AddLine("EmitVertex();"); return {}; } @@ -1746,8 +1747,7 @@ private: } u32 GetNumPhysicalVaryings() const { - return std::min<u32>(device.GetMaxVaryings() - GENERIC_VARYING_START_LOCATION, - Maxwell::NumVaryings); + return std::min<u32>(device.GetMaxVaryings(), Maxwell::NumVaryings); } const Device& device; diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp index d2bb705a9..c845b29aa 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.cpp +++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp @@ -23,8 +23,6 @@ ProgramResult GenerateVertexShader(const Device& device, const ShaderSetup& setu out += GetCommonDeclarations(); out += R"( -layout (location = 0) out vec4 position; - layout (std140, binding = EMULATION_UBO_BINDING) uniform vs_config { vec4 viewport_flip; uvec4 config_pack; // instance_id, flip_stage, y_direction, padding @@ -48,7 +46,6 @@ layout (std140, binding = EMULATION_UBO_BINDING) uniform vs_config { out += R"( void main() { - position = vec4(0.0, 0.0, 0.0, 0.0); execute_vertex(); )"; @@ -59,19 +56,12 @@ void main() { out += R"( // Set Position Y direction - position.y *= utof(config_pack[2]); + gl_Position.y *= utof(config_pack[2]); // Check if the flip stage is VertexB // Config pack's second value is flip_stage if (config_pack[1] == 1) { // Viewport can be flipped, which is unsupported by glViewport - position.xy *= viewport_flip.xy; - } - gl_Position = position; - - // TODO(bunnei): This is likely a hack, position.w should be interpolated as 1.0 - // For now, this is here to bring order in lieu of proper emulation - if (config_pack[1] == 1) { - position.w = 1.0; + gl_Position.xy *= viewport_flip.xy; } })"; @@ -85,9 +75,6 @@ ProgramResult GenerateGeometryShader(const Device& device, const ShaderSetup& se out += GetCommonDeclarations(); out += R"( -layout (location = 0) in vec4 gs_position[]; -layout (location = 0) out vec4 position; - layout (std140, binding = EMULATION_UBO_BINDING) uniform gs_config { vec4 viewport_flip; uvec4 config_pack; // instance_id, flip_stage, y_direction, padding @@ -124,8 +111,6 @@ layout (location = 5) out vec4 FragColor5; layout (location = 6) out vec4 FragColor6; layout (location = 7) out vec4 FragColor7; -layout (location = 0) in noperspective vec4 position; - layout (std140, binding = EMULATION_UBO_BINDING) uniform fs_config { vec4 viewport_flip; uvec4 config_pack; // instance_id, flip_stage, y_direction, padding |