void PixelTransfer11::setBufferToTextureCopyParams(const gl::Box &destArea, const gl::Extents &destSize, GLenum internalFormat,
const gl::PixelUnpackState &unpack, unsigned int offset, CopyShaderParams *parametersOut)
{
StructZero(parametersOut);
float texelCenterX = 0.5f / static_cast<float>(destSize.width - 1);
float texelCenterY = 0.5f / static_cast<float>(destSize.height - 1);
unsigned int bytesPerPixel = gl::GetInternalFormatInfo(internalFormat).pixelBytes;
unsigned int alignmentBytes = static_cast<unsigned int>(unpack.alignment);
unsigned int alignmentPixels = (alignmentBytes <= bytesPerPixel ? 1 : alignmentBytes / bytesPerPixel);
parametersOut->FirstPixelOffset = offset / bytesPerPixel;
parametersOut->PixelsPerRow = static_cast<unsigned int>((unpack.rowLength > 0) ? unpack.rowLength : destArea.width);
parametersOut->RowStride = roundUp(parametersOut->PixelsPerRow, alignmentPixels);
parametersOut->RowsPerSlice = static_cast<unsigned int>(destArea.height);
parametersOut->PositionOffset[0] = texelCenterX + (destArea.x / float(destSize.width)) * 2.0f - 1.0f;
parametersOut->PositionOffset[1] = texelCenterY + ((destSize.height - destArea.y - 1) / float(destSize.height)) * 2.0f - 1.0f;
parametersOut->PositionScale[0] = 2.0f / static_cast<float>(destSize.width);
parametersOut->PositionScale[1] = -2.0f / static_cast<float>(destSize.height);
parametersOut->FirstSlice = destArea.z;
}
gl::Error PixelTransfer11::loadResources()
{
if (mResourcesLoaded)
{
return gl::NoError();
}
HRESULT result = S_OK;
ID3D11Device *device = mRenderer->getDevice();
D3D11_RASTERIZER_DESC rasterDesc;
rasterDesc.FillMode = D3D11_FILL_SOLID;
rasterDesc.CullMode = D3D11_CULL_NONE;
rasterDesc.FrontCounterClockwise = FALSE;
rasterDesc.DepthBias = 0;
rasterDesc.SlopeScaledDepthBias = 0.0f;
rasterDesc.DepthBiasClamp = 0.0f;
rasterDesc.DepthClipEnable = TRUE;
rasterDesc.ScissorEnable = FALSE;
rasterDesc.MultisampleEnable = FALSE;
rasterDesc.AntialiasedLineEnable = FALSE;
result = device->CreateRasterizerState(&rasterDesc, &mCopyRasterizerState);
ASSERT(SUCCEEDED(result));
if (FAILED(result))
{
return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal pixel transfer rasterizer state, result: 0x%X.", result);
}
D3D11_DEPTH_STENCIL_DESC depthStencilDesc;
depthStencilDesc.DepthEnable = true;
depthStencilDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
depthStencilDesc.DepthFunc = D3D11_COMPARISON_ALWAYS;
depthStencilDesc.StencilEnable = FALSE;
depthStencilDesc.StencilReadMask = D3D11_DEFAULT_STENCIL_READ_MASK;
depthStencilDesc.StencilWriteMask = D3D11_DEFAULT_STENCIL_WRITE_MASK;
depthStencilDesc.FrontFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
depthStencilDesc.FrontFace.StencilDepthFailOp = D3D11_STENCIL_OP_KEEP;
depthStencilDesc.FrontFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
depthStencilDesc.FrontFace.StencilFunc = D3D11_COMPARISON_ALWAYS;
depthStencilDesc.BackFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
depthStencilDesc.BackFace.StencilDepthFailOp = D3D11_STENCIL_OP_KEEP;
depthStencilDesc.BackFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
depthStencilDesc.BackFace.StencilFunc = D3D11_COMPARISON_ALWAYS;
result = device->CreateDepthStencilState(&depthStencilDesc, &mCopyDepthStencilState);
ASSERT(SUCCEEDED(result));
if (FAILED(result))
{
return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal pixel transfer depth stencil state, result: 0x%X.", result);
}
D3D11_BUFFER_DESC constantBufferDesc = { 0 };
constantBufferDesc.ByteWidth = roundUp<UINT>(sizeof(CopyShaderParams), 32u);
constantBufferDesc.Usage = D3D11_USAGE_DYNAMIC;
constantBufferDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
constantBufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
constantBufferDesc.MiscFlags = 0;
constantBufferDesc.StructureByteStride = 0;
result = device->CreateBuffer(&constantBufferDesc, NULL, &mParamsConstantBuffer);
ASSERT(SUCCEEDED(result));
if (FAILED(result))
{
return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal pixel transfer constant buffer, result: 0x%X.", result);
}
d3d11::SetDebugName(mParamsConstantBuffer, "PixelTransfer11 constant buffer");
// init shaders
mBufferToTextureVS = d3d11::CompileVS(device, g_VS_BufferToTexture, "BufferToTexture VS");
if (!mBufferToTextureVS)
{
return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal buffer to texture vertex shader.");
}
mBufferToTextureGS = d3d11::CompileGS(device, g_GS_BufferToTexture, "BufferToTexture GS");
if (!mBufferToTextureGS)
{
return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal buffer to texture geometry shader.");
}
ANGLE_TRY(buildShaderMap());
StructZero(&mParamsData);
mResourcesLoaded = true;
return gl::NoError();
}
angle::Result PixelTransfer11::loadResources(const gl::Context *context)
{
if (mResourcesLoaded)
{
return angle::Result::Continue();
}
D3D11_RASTERIZER_DESC rasterDesc;
rasterDesc.FillMode = D3D11_FILL_SOLID;
rasterDesc.CullMode = D3D11_CULL_NONE;
rasterDesc.FrontCounterClockwise = FALSE;
rasterDesc.DepthBias = 0;
rasterDesc.SlopeScaledDepthBias = 0.0f;
rasterDesc.DepthBiasClamp = 0.0f;
rasterDesc.DepthClipEnable = TRUE;
rasterDesc.ScissorEnable = FALSE;
rasterDesc.MultisampleEnable = FALSE;
rasterDesc.AntialiasedLineEnable = FALSE;
Context11 *context11 = GetImplAs<Context11>(context);
ANGLE_TRY(mRenderer->allocateResource(context11, rasterDesc, &mCopyRasterizerState));
D3D11_DEPTH_STENCIL_DESC depthStencilDesc;
depthStencilDesc.DepthEnable = true;
depthStencilDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
depthStencilDesc.DepthFunc = D3D11_COMPARISON_ALWAYS;
depthStencilDesc.StencilEnable = FALSE;
depthStencilDesc.StencilReadMask = D3D11_DEFAULT_STENCIL_READ_MASK;
depthStencilDesc.StencilWriteMask = D3D11_DEFAULT_STENCIL_WRITE_MASK;
depthStencilDesc.FrontFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
depthStencilDesc.FrontFace.StencilDepthFailOp = D3D11_STENCIL_OP_KEEP;
depthStencilDesc.FrontFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
depthStencilDesc.FrontFace.StencilFunc = D3D11_COMPARISON_ALWAYS;
depthStencilDesc.BackFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
depthStencilDesc.BackFace.StencilDepthFailOp = D3D11_STENCIL_OP_KEEP;
depthStencilDesc.BackFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
depthStencilDesc.BackFace.StencilFunc = D3D11_COMPARISON_ALWAYS;
ANGLE_TRY(mRenderer->allocateResource(context11, depthStencilDesc, &mCopyDepthStencilState));
D3D11_BUFFER_DESC constantBufferDesc = { 0 };
constantBufferDesc.ByteWidth = roundUp<UINT>(sizeof(CopyShaderParams), 32u);
constantBufferDesc.Usage = D3D11_USAGE_DYNAMIC;
constantBufferDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
constantBufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
constantBufferDesc.MiscFlags = 0;
constantBufferDesc.StructureByteStride = 0;
ANGLE_TRY(mRenderer->allocateResource(context11, constantBufferDesc, &mParamsConstantBuffer));
mParamsConstantBuffer.setDebugName("PixelTransfer11 constant buffer");
// init shaders
ANGLE_TRY(mRenderer->allocateResource(context11, ShaderData(g_VS_BufferToTexture),
&mBufferToTextureVS));
mBufferToTextureVS.setDebugName("BufferToTexture VS");
ANGLE_TRY(mRenderer->allocateResource(context11, ShaderData(g_GS_BufferToTexture),
&mBufferToTextureGS));
mBufferToTextureGS.setDebugName("BufferToTexture GS");
ANGLE_TRY(buildShaderMap(context));
StructZero(&mParamsData);
mResourcesLoaded = true;
return angle::Result::Continue();
}