diff options
Diffstat (limited to 'spirv_msl.hpp')
| -rw-r--r-- | spirv_msl.hpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/spirv_msl.hpp b/spirv_msl.hpp index 9bf7672b..bd4ecc34 100644 --- a/spirv_msl.hpp +++ b/spirv_msl.hpp @@ -58,6 +58,17 @@ enum MSLShaderVariableFormat MSL_SHADER_VARIABLE_FORMAT_INT_MAX = 0x7fffffff }; +// Indicates the rate at which a variable changes value, one of: per-vertex, +// per-primitive, or per-patch. +enum MSLShaderVariableRate +{ + MSL_SHADER_VARIABLE_RATE_PER_VERTEX = 0, + MSL_SHADER_VARIABLE_RATE_PER_PRIMITIVE = 1, + MSL_SHADER_VARIABLE_RATE_PER_PATCH = 2, + + MSL_SHADER_VARIABLE_RATE_INT_MAX = 0x7fffffff, +}; + // Defines MSL characteristics of a shader interface variable at a particular location. // After compilation, it is possible to query whether or not this location was used. // If vecsize is nonzero, it must be greater than or equal to the vecsize declared in the shader, @@ -69,6 +80,7 @@ struct MSLShaderInterfaceVariable MSLShaderVariableFormat format = MSL_SHADER_VARIABLE_FORMAT_OTHER; spv::BuiltIn builtin = spv::BuiltInMax; uint32_t vecsize = 0; + MSLShaderVariableRate rate = MSL_SHADER_VARIABLE_RATE_PER_VERTEX; }; // Matches the binding index of a MSL resource for a binding within a descriptor set. |