Commit 92451f09 authored by Sven van Haastregt's avatar Sven van Haastregt
Browse files

[OpenCL] Add MSAA sharing extension builtin functions 

Add the MSAA sharing builtin functions from the OpenCL Extension
Specification.

Patch by Pierre Gondois and Sven van Haastregt.
parent 35787e3a

clang/lib/Sema/OpenCLBuiltins.td

+37 −0
Original line number Diff line number Diff line
@@ -60,6 +60,7 @@ def FuncExtKhrLocalInt32ExtendedAtomics : FunctionExtension<"cl_khr_local_int32 
def FuncExtKhrInt64BaseAtomics           : FunctionExtension<"cl_khr_int64_base_atomics">;

def FuncExtKhrInt64ExtendedAtomics       : FunctionExtension<"cl_khr_int64_extended_atomics">;

def FuncExtKhrMipmapImage                : FunctionExtension<"cl_khr_mipmap_image">;

def FuncExtKhrGlMsaaSharing              : FunctionExtension<"cl_khr_gl_msaa_sharing">;



// Multiple extensions

def FuncExtKhrMipmapAndWrite3d           : FunctionExtension<"cl_khr_mipmap_image cl_khr_3d_image_writes">;
@@ -1312,3 +1313,39 @@ let Extension = FuncExtKhrMipmapImage in { 
    }

  }

}





//--------------------------------------------------------------------

// OpenCL Extension v2.0 s18.3 - Creating OpenCL Memory Objects from OpenGL MSAA Textures

let Extension = FuncExtKhrGlMsaaSharing in {

  // --- Table 6.13.14.3 ---

  foreach aQual = ["RO", "RW"] in {

    foreach imgTy = [Image2dMsaa] in {

      def : Builtin<"read_imagef", [VectorType<Float, 4>, ImageType<imgTy, aQual>, VectorType<Int, 2>, Int], Attr.Pure>;

      def : Builtin<"read_imagei", [VectorType<Int, 4>, ImageType<imgTy, aQual>, VectorType<Int, 2>, Int], Attr.Pure>;

      def : Builtin<"read_imageui", [VectorType<UInt, 4>, ImageType<imgTy, aQual>, VectorType<Int, 2>, Int], Attr.Pure>;

    }

    foreach imgTy = [Image2dArrayMsaa] in {

      def : Builtin<"read_imagef", [VectorType<Float, 4>, ImageType<imgTy, aQual>, VectorType<Int, 4>, Int], Attr.Pure>;

      def : Builtin<"read_imagei", [VectorType<Int, 4>, ImageType<imgTy, aQual>, VectorType<Int, 4>, Int], Attr.Pure>;

      def : Builtin<"read_imageui", [VectorType<UInt, 4>, ImageType<imgTy, aQual>, VectorType<Int, 4>, Int], Attr.Pure>;

    }

    foreach name = ["read_imagef"] in {

      def : Builtin<name, [Float, ImageType<Image2dMsaaDepth, aQual>, VectorType<Int, 2>, Int], Attr.Pure>;

      def : Builtin<name, [Float, ImageType<Image2dArrayMsaaDepth, aQual>, VectorType<Int, 4>, Int], Attr.Pure>;

    }

  }



  // --- Table 6.13.14.5 ---

  foreach aQual = ["RO", "WO", "RW"] in {

    foreach imgTy = [Image2dMsaa, Image2dArrayMsaa, Image2dMsaaDepth, Image2dArrayMsaaDepth] in {

      foreach name = ["get_image_width", "get_image_height",

                      "get_image_channel_data_type", "get_image_channel_order",

                      "get_image_num_samples"] in {

        def : Builtin<name, [Int, ImageType<imgTy, aQual>], Attr.Const>;

      }

      def : Builtin<"get_image_dim", [VectorType<Int, 2>, ImageType<imgTy, aQual>], Attr.Const>;

    }

    def : Builtin<"get_image_array_size", [Size, ImageType<Image2dArrayMsaaDepth, aQual>], Attr.Const>;

  }

}