4201cdab18
Add support for shader input output interface blocks in Metal tessellation pipelines. This feature is builtin to other rhi supported tessellation backends (OpenGL/Vulkan). Metal tessellation is implemented as compute pipelines for vert and tesc, and a render pipeline for tese and frag. The shader conversion from GLSL is handled by SPIRV-Cross, which has a particular way of doing things. Rhi must setup the vertex inputs for the tese - frag render pipeline to read from buffers written by the tesc compute pipeline, following SPIRV-Cross conventions. This includes ensuring correct memory alignment per MSL Specification. In order to enable input output interface blocks, reflection of struct members of QShaderDescription::InOutVariable is required. Reflection of QShaderDescription::BuiltinVariable array dimensions is also required to support variable size tese builtin input gl_ClipDistance. An acompanying patch to QtShaderTools is required. Change-Id: Id94e86caef211485afc187bb79fe3d0619d02cf0 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io> |
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| .. | ||
| image | ||
| itemmodels | ||
| kernel | ||
| math3d | ||
| painting | ||
| platform | ||
| qopengl | ||
| qopenglconfig | ||
| qvulkan | ||
| rhi | ||
| text | ||
| util | ||
| CMakeLists.txt | ||