Esempi in C++ (Cpp) per uyvy_to_rgba_aos

Esempio n. 1

File: lp_bld_format_yuv.c Progetto: ChristophHaag/mesa-mesa

/**
 * @param n  is the number of pixels processed
 * @param packed  is a <n x i32> vector with the packed YUYV blocks
 * @param i  is a <n x i32> vector with the x pixel coordinate (0 or 1)
 * @return  a <4*n x i8> vector with the pixel RGBA values in AoS
 */
LLVMValueRef
lp_build_fetch_subsampled_rgba_aos(struct gallivm_state *gallivm,
                                   const struct util_format_description *format_desc,
                                   unsigned n,
                                   LLVMValueRef base_ptr,
                                   LLVMValueRef offset,
                                   LLVMValueRef i,
                                   LLVMValueRef j)
{
   LLVMValueRef packed;
   LLVMValueRef rgba;
   struct lp_type fetch_type;

   assert(format_desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED);
   assert(format_desc->block.bits == 32);
   assert(format_desc->block.width == 2);
   assert(format_desc->block.height == 1);

   fetch_type = lp_type_uint(32);
   packed = lp_build_gather(gallivm, n, 32, fetch_type, TRUE, base_ptr, offset, FALSE);

   (void)j;

   switch (format_desc->format) {
   case PIPE_FORMAT_UYVY:
      rgba = uyvy_to_rgba_aos(gallivm, n, packed, i);
      break;
   case PIPE_FORMAT_YUYV:
      rgba = yuyv_to_rgba_aos(gallivm, n, packed, i);
      break;
   case PIPE_FORMAT_R8G8_B8G8_UNORM:
      rgba = rgbg_to_rgba_aos(gallivm, n, packed, i);
      break;
   case PIPE_FORMAT_G8R8_G8B8_UNORM:
      rgba = grgb_to_rgba_aos(gallivm, n, packed, i);
      break;
   case PIPE_FORMAT_G8R8_B8R8_UNORM:
      rgba = grbr_to_rgba_aos(gallivm, n, packed, i);
      break;
   case PIPE_FORMAT_R8G8_R8B8_UNORM:
      rgba = rgrb_to_rgba_aos(gallivm, n, packed, i);
      break;
   default:
      assert(0);
      rgba =  LLVMGetUndef(LLVMVectorType(LLVMInt8TypeInContext(gallivm->context), 4*n));
      break;
   }

   return rgba;
}

Esempio n. 2

File: lp_bld_format_yuv.c Progetto: 1065672644894730302/Chromium

/**
 * @param n  is the number of pixels processed
 * @param packed  is a <n x i32> vector with the packed YUYV blocks
 * @param i  is a <n x i32> vector with the x pixel coordinate (0 or 1)
 * @return  a <4*n x i8> vector with the pixel RGBA values in AoS
 */
LLVMValueRef
lp_build_fetch_subsampled_rgba_aos(LLVMBuilderRef builder,
                                   const struct util_format_description *format_desc,
                                   unsigned n,
                                   LLVMValueRef base_ptr,
                                   LLVMValueRef offset,
                                   LLVMValueRef i,
                                   LLVMValueRef j)
{
   LLVMValueRef packed;
   LLVMValueRef rgba;

   assert(format_desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED);
   assert(format_desc->block.bits == 32);
   assert(format_desc->block.width == 2);
   assert(format_desc->block.height == 1);

   packed = lp_build_gather(builder, n, 32, 32, base_ptr, offset);

   (void)j;

   switch (format_desc->format) {
   case PIPE_FORMAT_UYVY:
      rgba = uyvy_to_rgba_aos(builder, n, packed, i);
      break;
   case PIPE_FORMAT_YUYV:
      rgba = yuyv_to_rgba_aos(builder, n, packed, i);
      break;
   case PIPE_FORMAT_R8G8_B8G8_UNORM:
      rgba = rgbg_to_rgba_aos(builder, n, packed, i);
      break;
   case PIPE_FORMAT_G8R8_G8B8_UNORM:
      rgba = grgb_to_rgba_aos(builder, n, packed, i);
      break;
   default:
      assert(0);
      rgba =  LLVMGetUndef(LLVMVectorType(LLVMInt8Type(), 4*n));
      break;
   }

   return rgba;
}