Commit Graph

2 Commits

Author SHA1 Message Date
Jason Fielder
7c9e128bbf Metal: GLSL Compatibility - explicit mat4_to_mat3 conversion
Explicit constructor for mat3 from a mat4 is not valid and cannot be overloaded.

Adding explicit texture resource type flags for depth textures. This is an explicit requirement for Metal Shading language. This is a temporary compatibility, as this path is already supported in GPU_SHADER_CREATE_INFO under ImageType::DEPTH_2D, though required in shader source for MSL shaders which do not have create info.

Authored by Apple: Michael Parkin-White

Ref T96261

Reviewed By: fclem

Maniphest Tasks: T96261

Differential Revision: https://developer.blender.org/D14418
2022-03-30 19:47:00 +02:00
Jason Fielder
19c793af35 Metal: Make GLSL shader source MSL compliant also
Metal shading language follows the C++ 14 standard and in some cases requires a greater level of explicitness than GLSL. There are also some small language differences:

- Explicit type-casts (C++ requirements)
- Explicit constant values (C++ requirements, e.g. floating point values using 0.0 instead of 0).
- Metal/OpenGL compatibility paths
- GLSL Function prototypes
- Explicit accessors for vector types when sampling textures.

Authored by Apple: Michael Parkin-White

Ref T96261

Reviewed By: fclem

Maniphest Tasks: T96261

Differential Revision: https://developer.blender.org/D14378
2022-03-22 12:54:44 +01:00