**************************************************************************/
+#include <assert.h>
+
+#include <iostream>
+
+#include "image.hpp"
+
#include "dxgistate.hpp"
#ifdef __MINGW32__
namespace d3dstate {
+static DXGI_FORMAT
+ChooseConversionFormat(DXGI_FORMAT Format, image::ChannelType &channelType)
+{
+ channelType = image::TYPE_UNORM8;
+
+ switch (Format) {
+
+ // Float
+ case DXGI_FORMAT_R32G32B32A32_FLOAT:
+ case DXGI_FORMAT_R32G32B32_FLOAT:
+ case DXGI_FORMAT_R16G16B16A16_FLOAT:
+ case DXGI_FORMAT_R32G32_FLOAT:
+ case DXGI_FORMAT_R11G11B10_FLOAT:
+ case DXGI_FORMAT_R16G16_FLOAT:
+ case DXGI_FORMAT_R32_FLOAT:
+ case DXGI_FORMAT_R16_FLOAT:
+ case DXGI_FORMAT_R9G9B9E5_SHAREDEXP:
+ case DXGI_FORMAT_BC6H_UF16:
+ case DXGI_FORMAT_BC6H_SF16:
+ channelType = image::TYPE_FLOAT;
+ return DXGI_FORMAT_R32G32B32A32_FLOAT;
+
+ // Unsigned normalized
+ case DXGI_FORMAT_R16G16B16A16_UNORM:
+ case DXGI_FORMAT_R10G10B10A2_UNORM:
+ case DXGI_FORMAT_R8G8B8A8_UNORM:
+ case DXGI_FORMAT_R16G16_UNORM:
+ case DXGI_FORMAT_R8G8_UNORM:
+ case DXGI_FORMAT_R16_UNORM:
+ case DXGI_FORMAT_R8_UNORM:
+ case DXGI_FORMAT_A8_UNORM:
+ case DXGI_FORMAT_R1_UNORM:
+ case DXGI_FORMAT_R8G8_B8G8_UNORM:
+ case DXGI_FORMAT_G8R8_G8B8_UNORM:
+ case DXGI_FORMAT_BC1_UNORM:
+ case DXGI_FORMAT_BC2_UNORM:
+ case DXGI_FORMAT_BC3_UNORM:
+ case DXGI_FORMAT_BC4_UNORM:
+ case DXGI_FORMAT_BC5_UNORM:
+ case DXGI_FORMAT_B5G6R5_UNORM:
+ case DXGI_FORMAT_B5G5R5A1_UNORM:
+ case DXGI_FORMAT_B8G8R8A8_UNORM:
+ case DXGI_FORMAT_B8G8R8X8_UNORM:
+ case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM:
+ case DXGI_FORMAT_BC7_UNORM:
+ return DXGI_FORMAT_R8G8B8A8_UNORM;
+
+ // SRGB
+ case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
+ case DXGI_FORMAT_BC1_UNORM_SRGB:
+ case DXGI_FORMAT_BC2_UNORM_SRGB:
+ case DXGI_FORMAT_BC3_UNORM_SRGB:
+ case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
+ case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
+ case DXGI_FORMAT_BC7_UNORM_SRGB:
+ return DXGI_FORMAT_R8G8B8A8_UNORM;
+
+ // Signed normalized
+ case DXGI_FORMAT_R16G16B16A16_SNORM:
+ case DXGI_FORMAT_R8G8B8A8_SNORM:
+ case DXGI_FORMAT_R16G16_SNORM:
+ case DXGI_FORMAT_R8G8_SNORM:
+ case DXGI_FORMAT_R16_SNORM:
+ case DXGI_FORMAT_R8_SNORM:
+ case DXGI_FORMAT_BC4_SNORM:
+ case DXGI_FORMAT_BC5_SNORM:
+ return DXGI_FORMAT_R8G8B8A8_SNORM;
+
+ // Unsigned
+ case DXGI_FORMAT_R32G32B32A32_UINT:
+ case DXGI_FORMAT_R32G32B32_UINT:
+ case DXGI_FORMAT_R16G16B16A16_UINT:
+ case DXGI_FORMAT_R32G32_UINT:
+ case DXGI_FORMAT_R10G10B10A2_UINT:
+ case DXGI_FORMAT_R8G8B8A8_UINT:
+ case DXGI_FORMAT_R16G16_UINT:
+ case DXGI_FORMAT_R32_UINT:
+ case DXGI_FORMAT_R8G8_UINT:
+ case DXGI_FORMAT_R16_UINT:
+ case DXGI_FORMAT_R8_UINT:
+ return DXGI_FORMAT_R8G8B8A8_UINT;
+
+ // Signed
+ case DXGI_FORMAT_R32G32B32A32_SINT:
+ case DXGI_FORMAT_R32G32B32_SINT:
+ case DXGI_FORMAT_R16G16B16A16_SINT:
+ case DXGI_FORMAT_R32G32_SINT:
+ case DXGI_FORMAT_R8G8B8A8_SINT:
+ case DXGI_FORMAT_R16G16_SINT:
+ case DXGI_FORMAT_R32_SINT:
+ case DXGI_FORMAT_R8G8_SINT:
+ case DXGI_FORMAT_R16_SINT:
+ case DXGI_FORMAT_R8_SINT:
+ return DXGI_FORMAT_R8G8B8A8_SINT;
+
+ // Depth
+ case DXGI_FORMAT_D32_FLOAT:
+ case DXGI_FORMAT_D24_UNORM_S8_UINT:
+ case DXGI_FORMAT_D32_FLOAT_S8X24_UINT:
+ case DXGI_FORMAT_D16_UNORM:
+ return DXGI_FORMAT_R8G8B8A8_UNORM;
+
+ // Typeless
+ case DXGI_FORMAT_UNKNOWN:
+ case DXGI_FORMAT_R32G32B32A32_TYPELESS:
+ case DXGI_FORMAT_R32G32B32_TYPELESS:
+ case DXGI_FORMAT_R16G16B16A16_TYPELESS:
+ case DXGI_FORMAT_R32G32_TYPELESS:
+ case DXGI_FORMAT_R32G8X24_TYPELESS:
+ case DXGI_FORMAT_R10G10B10A2_TYPELESS:
+ case DXGI_FORMAT_R8G8B8A8_TYPELESS:
+ case DXGI_FORMAT_R16G16_TYPELESS:
+ case DXGI_FORMAT_R32_TYPELESS:
+ case DXGI_FORMAT_R8G8_TYPELESS:
+ case DXGI_FORMAT_R16_TYPELESS:
+ case DXGI_FORMAT_R8_TYPELESS:
+ case DXGI_FORMAT_BC1_TYPELESS:
+ case DXGI_FORMAT_BC2_TYPELESS:
+ case DXGI_FORMAT_BC3_TYPELESS:
+ case DXGI_FORMAT_BC4_TYPELESS:
+ case DXGI_FORMAT_BC5_TYPELESS:
+ case DXGI_FORMAT_B8G8R8A8_TYPELESS:
+ case DXGI_FORMAT_B8G8R8X8_TYPELESS:
+ case DXGI_FORMAT_BC6H_TYPELESS:
+ case DXGI_FORMAT_BC7_TYPELESS:
+ case DXGI_FORMAT_R24G8_TYPELESS:
+ case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
+ case DXGI_FORMAT_X24_TYPELESS_G8_UINT:
+ case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
+ case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT:
+ return DXGI_FORMAT_UNKNOWN;
+
+ default:
+ return DXGI_FORMAT_R8G8B8A8_UNORM;
+ }
+}
+
+
/**
* Convert between DXGI formats.
*
DirectX::Rect rect(0, 0, Width, Height);
+ hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
+ assert(SUCCEEDED(hr));
+ if (FAILED(hr)) {
+ return hr;
+ }
+
if (SrcFormat != DstFormat) {
DirectX::ScratchImage ScratchImage;
ScratchImage.Initialize2D(DstFormat, Width, Height, 1, 1);
- hr = DirectX::Convert(SrcImage, DstFormat, DirectX::TEX_FILTER_DEFAULT, 0.0f, ScratchImage);
+ if (DirectX::IsCompressed(SrcFormat)) {
+ hr = DirectX::Decompress(SrcImage, DstFormat, ScratchImage);
+ } else {
+ hr = DirectX::Convert(SrcImage, DstFormat, DirectX::TEX_FILTER_DEFAULT, 0.0f, ScratchImage);
+ }
+
if (SUCCEEDED(hr)) {
hr = CopyRectangle(*ScratchImage.GetImage(0, 0, 0), rect, DstImage, DirectX::TEX_FILTER_DEFAULT, 0, 0);
}
}
+image::Image *
+ConvertImage(DXGI_FORMAT SrcFormat,
+ void *SrcData,
+ UINT SrcPitch,
+ UINT Width, UINT Height)
+{
+ image::ChannelType channelType;
+
+ DXGI_FORMAT DstFormat = ChooseConversionFormat(SrcFormat, channelType);
+ if (DstFormat == DXGI_FORMAT_UNKNOWN) {
+ return NULL;
+ }
+
+ image::Image *image = new image::Image(Width, Height, 4, false, channelType);
+ if (!image) {
+ return NULL;
+ }
+ assert(image->stride() > 0);
+
+ HRESULT hr;
+ hr = ConvertFormat(SrcFormat,
+ SrcData, SrcPitch,
+ DstFormat,
+ image->start(), image->stride(),
+ Width, Height);
+ if (FAILED(hr)) {
+ std::cerr << "warning: failed to convert from format " << SrcFormat << " to format " << DstFormat << "\n";
+ delete image;
+ image = NULL;
+ }
+
+ return image;
+}
+
} /* namespace d3dstate */
projects / apitrace / blobdiff