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-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp16
1 files changed, 10 insertions, 6 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index 2363b9d87..740a1006a 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -30,7 +30,7 @@ using Tegra::Shader::SubOp;
constexpr u32 PROGRAM_END = MAX_PROGRAM_CODE_LENGTH;
constexpr u32 PROGRAM_HEADER_SIZE = sizeof(Tegra::Shader::Header);
-constexpr u32 POSITION_VARYING_LOCATION = 15;
+enum : u32 { POSITION_VARYING_LOCATION = 0, GENERIC_VARYING_START_LOCATION = 1 };
constexpr u32 MAX_GEOMETRY_BUFFERS = 6;
constexpr u32 MAX_ATTRIBUTES = 0x100; // Size in vec4s, this value is untested
@@ -559,7 +559,10 @@ private:
// TODO(bunnei): Use proper number of elements for these
u32 idx =
static_cast<u32>(element.first) - static_cast<u32>(Attribute::Index::Attribute_0);
- ASSERT(idx != POSITION_VARYING_LOCATION);
+ if (stage != Maxwell3D::Regs::ShaderStage::Vertex) {
+ // If inputs are varyings, add an offset
+ idx += GENERIC_VARYING_START_LOCATION;
+ }
std::string attr{GetInputAttribute(element.first, element.second)};
if (stage == Maxwell3D::Regs::ShaderStage::Geometry) {
@@ -580,10 +583,11 @@ private:
}
for (const auto& index : declr_output_attribute) {
// TODO(bunnei): Use proper number of elements for these
- declarations.AddLine("layout (location = " +
- std::to_string(static_cast<u32>(index) -
- static_cast<u32>(Attribute::Index::Attribute_0)) +
- ") out vec4 " + GetOutputAttribute(index) + ';');
+ const u32 idx = static_cast<u32>(index) -
+ static_cast<u32>(Attribute::Index::Attribute_0) +
+ GENERIC_VARYING_START_LOCATION;
+ declarations.AddLine("layout (location = " + std::to_string(idx) + ") out vec4 " +
+ GetOutputAttribute(index) + ';');
}
declarations.AddNewLine();
}