//
// Copyright 2012 Francisco Jerez
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#include <algorithm>
#include "core/format.hpp"
#include "core/memory.hpp"
#include "pipe/p_screen.h"
#include "pipe/p_context.h"
namespace clover {
static const std::map<cl_image_format, pipe_format> formats {
{ { CL_BGRA, CL_UNORM_INT8 }, PIPE_FORMAT_B8G8R8A8_UNORM },
{ { CL_ARGB, CL_UNORM_INT8 }, PIPE_FORMAT_A8R8G8B8_UNORM },
{ { CL_RGB, CL_UNORM_SHORT_565 }, PIPE_FORMAT_B5G6R5_UNORM },
{ { CL_LUMINANCE, CL_UNORM_INT8 }, PIPE_FORMAT_L8_UNORM },
{ { CL_A, CL_UNORM_INT8 }, PIPE_FORMAT_A8_UNORM },
{ { CL_INTENSITY, CL_UNORM_INT8 }, PIPE_FORMAT_I8_UNORM },
{ { CL_LUMINANCE, CL_UNORM_INT16 }, PIPE_FORMAT_L16_UNORM },
{ { CL_R, CL_FLOAT }, PIPE_FORMAT_R32_FLOAT },
{ { CL_RG, CL_FLOAT }, PIPE_FORMAT_R32G32_FLOAT },
{ { CL_RGB, CL_FLOAT }, PIPE_FORMAT_R32G32B32_FLOAT },
{ { CL_RGBA, CL_FLOAT }, PIPE_FORMAT_R32G32B32A32_FLOAT },
{ { CL_R, CL_UNORM_INT16 }, PIPE_FORMAT_R16_UNORM },
{ { CL_RG, CL_UNORM_INT16 }, PIPE_FORMAT_R16G16_UNORM },
{ { CL_RGB, CL_UNORM_INT16 }, PIPE_FORMAT_R16G16B16_UNORM },
{ { CL_RGBA, CL_UNORM_INT16 }, PIPE_FORMAT_R16G16B16A16_UNORM },
{ { CL_R, CL_SNORM_INT16 }, PIPE_FORMAT_R16_SNORM },
{ { CL_RG, CL_SNORM_INT16 }, PIPE_FORMAT_R16G16_SNORM },
{ { CL_RGB, CL_SNORM_INT16 }, PIPE_FORMAT_R16G16B16_SNORM },
{ { CL_RGBA, CL_SNORM_INT16 }, PIPE_FORMAT_R16G16B16A16_SNORM },
{ { CL_R, CL_UNORM_INT8 }, PIPE_FORMAT_R8_UNORM },
{ { CL_RG, CL_UNORM_INT8 }, PIPE_FORMAT_R8G8_UNORM },
{ { CL_RGB, CL_UNORM_INT8 }, PIPE_FORMAT_R8G8B8_UNORM },
{ { CL_RGBA, CL_UNORM_INT8 }, PIPE_FORMAT_R8G8B8A8_UNORM },
{ { CL_R, CL_SNORM_INT8 }, PIPE_FORMAT_R8_SNORM },
{ { CL_RG, CL_SNORM_INT8 }, PIPE_FORMAT_R8G8_SNORM },
{ { CL_RGB, CL_SNORM_INT8 }, PIPE_FORMAT_R8G8B8_SNORM },
{ { CL_RGBA, CL_SNORM_INT8 }, PIPE_FORMAT_R8G8B8A8_SNORM },
{ { CL_R, CL_HALF_FLOAT }, PIPE_FORMAT_R16_FLOAT },
{ { CL_RG, CL_HALF_FLOAT }, PIPE_FORMAT_R16G16_FLOAT },
{ { CL_RGB, CL_HALF_FLOAT }, PIPE_FORMAT_R16G16B16_FLOAT },
{ { CL_RGBA, CL_HALF_FLOAT }, PIPE_FORMAT_R16G16B16A16_FLOAT },
{ { CL_RGBx, CL_UNORM_SHORT_555 }, PIPE_FORMAT_B5G5R5X1_UNORM },
{ { CL_RGBx, CL_UNORM_INT8 }, PIPE_FORMAT_R8G8B8X8_UNORM },
{ { CL_A, CL_UNORM_INT16 }, PIPE_FORMAT_A16_UNORM },
{ { CL_INTENSITY, CL_UNORM_INT16 }, PIPE_FORMAT_I16_UNORM },
{ { CL_LUMINANCE, CL_SNORM_INT8 }, PIPE_FORMAT_L8_SNORM },
{ { CL_INTENSITY, CL_SNORM_INT8 }, PIPE_FORMAT_I8_SNORM },
{ { CL_A, CL_SNORM_INT16 }, PIPE_FORMAT_A16_SNORM },
{ { CL_LUMINANCE, CL_SNORM_INT16 }, PIPE_FORMAT_L16_SNORM },
{ { CL_INTENSITY, CL_SNORM_INT16 }, PIPE_FORMAT_I16_SNORM },
{ { CL_A, CL_HALF_FLOAT }, PIPE_FORMAT_A16_FLOAT },
{ { CL_LUMINANCE, CL_HALF_FLOAT }, PIPE_FORMAT_L16_FLOAT },
{ { CL_INTENSITY, CL_HALF_FLOAT }, PIPE_FORMAT_I16_FLOAT },
{ { CL_A, CL_FLOAT }, PIPE_FORMAT_A32_FLOAT },
{ { CL_LUMINANCE, CL_FLOAT }, PIPE_FORMAT_L32_FLOAT },
{ { CL_INTENSITY, CL_FLOAT }, PIPE_FORMAT_I32_FLOAT },
{ { CL_RA, CL_UNORM_INT8 }, PIPE_FORMAT_R8A8_UNORM },
{ { CL_R, CL_UNSIGNED_INT8 }, PIPE_FORMAT_R8_UINT },
{ { CL_RG, CL_UNSIGNED_INT8 }, PIPE_FORMAT_R8G8_UINT },
{ { CL_RGB, CL_UNSIGNED_INT8 }, PIPE_FORMAT_R8G8B8_UINT },
{ { CL_RGBA, CL_UNSIGNED_INT8 }, PIPE_FORMAT_R8G8B8A8_UINT },
{ { CL_R, CL_SIGNED_INT8 }, PIPE_FORMAT_R8_SINT },
{ { CL_RG, CL_SIGNED_INT8 }, PIPE_FORMAT_R8G8_SINT },
{ { CL_RGB, CL_SIGNED_INT8 }, PIPE_FORMAT_R8G8B8_SINT },
{ { CL_RGBA, CL_SIGNED_INT8 }, PIPE_FORMAT_R8G8B8A8_SINT },
{ { CL_R, CL_UNSIGNED_INT16 }, PIPE_FORMAT_R16_UINT },
{ { CL_RG, CL_UNSIGNED_INT16 }, PIPE_FORMAT_R16G16_UINT },
{ { CL_RGB, CL_UNSIGNED_INT16 }, PIPE_FORMAT_R16G16B16_UINT },
{ { CL_RGBA, CL_UNSIGNED_INT16 }, PIPE_FORMAT_R16G16B16A16_UINT },
{ { CL_R, CL_SIGNED_INT16 }, PIPE_FORMAT_R16_SINT },
{ { CL_RG, CL_SIGNED_INT16 }, PIPE_FORMAT_R16G16_SINT },
{ { CL_RGB, CL_SIGNED_INT16 }, PIPE_FORMAT_R16G16B16_SINT },
{ { CL_RGBA, CL_SIGNED_INT16 }, PIPE_FORMAT_R16G16B16A16_SINT },
{ { CL_R, CL_UNSIGNED_INT32 }, PIPE_FORMAT_R32_UINT },
{ { CL_RG, CL_UNSIGNED_INT32 }, PIPE_FORMAT_R32G32_UINT },
{ { CL_RGB, CL_UNSIGNED_INT32 }, PIPE_FORMAT_R32G32B32_UINT },
{ { CL_RGBA, CL_UNSIGNED_INT32 }, PIPE_FORMAT_R32G32B32A32_UINT },
{ { CL_R, CL_SIGNED_INT32 }, PIPE_FORMAT_R32_SINT },
{ { CL_RG, CL_SIGNED_INT32 }, PIPE_FORMAT_R32G32_SINT },
{ { CL_RGB, CL_SIGNED_INT32 }, PIPE_FORMAT_R32G32B32_SINT },
{ { CL_RGBA, CL_SIGNED_INT32 }, PIPE_FORMAT_R32G32B32A32_SINT },
{ { CL_A, CL_UNSIGNED_INT8 }, PIPE_FORMAT_A8_UINT },
{ { CL_INTENSITY, CL_UNSIGNED_INT8 }, PIPE_FORMAT_I8_UINT },
{ { CL_LUMINANCE, CL_UNSIGNED_INT8 }, PIPE_FORMAT_L8_UINT },
{ { CL_A, CL_SIGNED_INT8 }, PIPE_FORMAT_A8_SINT },
{ { CL_INTENSITY, CL_SIGNED_INT8 }, PIPE_FORMAT_I8_SINT },
{ { CL_LUMINANCE, CL_SIGNED_INT8 }, PIPE_FORMAT_L8_SINT },
{ { CL_A, CL_UNSIGNED_INT16 }, PIPE_FORMAT_A16_UINT },
{ { CL_INTENSITY, CL_UNSIGNED_INT16 }, PIPE_FORMAT_I16_UINT },
{ { CL_LUMINANCE, CL_UNSIGNED_INT16 }, PIPE_FORMAT_L16_UINT },
{ { CL_A, CL_SIGNED_INT16 }, PIPE_FORMAT_A16_SINT },
{ { CL_INTENSITY, CL_SIGNED_INT16 }, PIPE_FORMAT_I16_SINT },
{ { CL_LUMINANCE, CL_SIGNED_INT16 }, PIPE_FORMAT_L16_SINT },
{ { CL_A, CL_UNSIGNED_INT32 }, PIPE_FORMAT_A32_UINT },
{ { CL_INTENSITY, CL_UNSIGNED_INT32 }, PIPE_FORMAT_I32_UINT },
{ { CL_LUMINANCE, CL_UNSIGNED_INT32 }, PIPE_FORMAT_L32_UINT },
{ { CL_A, CL_SIGNED_INT32 }, PIPE_FORMAT_A32_SINT },
{ { CL_INTENSITY, CL_SIGNED_INT32 }, PIPE_FORMAT_I32_SINT },
{ { CL_LUMINANCE, CL_SIGNED_INT32 }, PIPE_FORMAT_L32_SINT }
};
pipe_texture_target
translate_target(cl_mem_object_type type) {
switch (type) {
case CL_MEM_OBJECT_BUFFER:
return PIPE_BUFFER;
case CL_MEM_OBJECT_IMAGE2D:
return PIPE_TEXTURE_2D;
case CL_MEM_OBJECT_IMAGE3D:
return PIPE_TEXTURE_3D;
default:
throw error(CL_INVALID_VALUE);
}
}
pipe_format
translate_format(const cl_image_format &format) {
auto it = formats.find(format);
if (it == formats.end())
throw error(CL_IMAGE_FORMAT_NOT_SUPPORTED);
return it->second;
}
std::set<cl_image_format>
supported_formats(cl_context ctx, cl_mem_object_type type) {
std::set<cl_image_format> s;
pipe_texture_target target = translate_target(type);
unsigned bindings = (PIPE_BIND_SAMPLER_VIEW |
PIPE_BIND_COMPUTE_RESOURCE |
PIPE_BIND_TRANSFER_READ |
PIPE_BIND_TRANSFER_WRITE);
for (auto f : formats) {
if (std::all_of(ctx->devs.begin(), ctx->devs.end(),
[=](const device *dev) {
return dev->pipe->is_format_supported(
dev->pipe, f.second, target, 1, bindings);
}))
s.insert(f.first);
}
return s;
}
}