git/SDL3CPlusPlus
1
0
Fork 0
mirror of https://github.com/johndoe6345789/SDL3CPlusPlus.git synced 2026-04-26 22:54:59 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix(shader): Prevent automatic location mapping in shader creation to maintain explicit layout consistency

Browse Source
This commit is contained in:
johndoe6345789
2026-01-07 10:38:41 +00:00
parent 36d8a40fcc
commit 489671c544
1 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/services/impl/bgfx_graphics_backend.cpp
View File

@@ -700,7 +700,10 @@ bgfx::ShaderHandle BgfxGraphicsBackend::CreateShader(const std::string& label,
shaderc::CompileOptions options;
options.SetTargetEnvironment(shaderc_target_env_vulkan, shaderc_env_version_vulkan_1_1);
options.SetAutoBindUniforms(true);
options.SetAutoMapLocations(true);
// Do NOT use SetAutoMapLocations - it overrides explicit layout(location=N) declarations
// and assigns locations alphabetically by variable name, breaking the vertex layout.
// MaterialX and other shaders already specify explicit locations matching our VertexLayout.
// options.SetAutoMapLocations(true);
shaderc_shader_kind kind = isVertex ? shaderc_vertex_shader : shaderc_fragment_shader;
auto result = compiler.CompileGlslToSpv(source, kind, label.c_str(), options);