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d3d11-nv12 interop

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fixed issues with ocl nv12 cvt kernel

finisged ocl nv12-to-rgba kernel, update dx-interop samples. (ocl rgba-to-nv12 kernel will be added later)

an attempt to fix build issue

fix for non opencl build issue

fix typo

fix compilation warnings

fix compile issue for Mac (OpenCL)

add convertion from rgba to nv12 (still need to debug kernel)

remove empty line at the EOF

fixed compilation warning
This commit is contained in:
Vladimir Dudnik 2015-07-29 19:52:03 +03:00
parent c0b544af70
commit d4774ead43
7 changed files with 646 additions and 139 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

179
modules/core/src/directx.cpp
View File

@ -44,6 +44,7 @@
#include "opencv2/core.hpp"
#include "opencv2/core/ocl.hpp"
#include "opencv2/core/directx.hpp"
#include "opencl_kernels_core.hpp"
#ifdef HAVE_DIRECTX
#include <vector>
@ -167,6 +168,7 @@ int getTypeFromDXGI_FORMAT(const int iDXGI_FORMAT)
//case DXGI_FORMAT_BC7_TYPELESS:
//case DXGI_FORMAT_BC7_UNORM:
//case DXGI_FORMAT_BC7_UNORM_SRGB:
case DXGI_FORMAT_NV12: return CV_8UC4;
default: break;
}
return errorType;
@ -701,6 +703,59 @@ static void __OpenCLinitializeD3D11()
}
#endif // defined(HAVE_DIRECTX) && defined(HAVE_OPENCL)
} // namespace directx
namespace ocl {
#if defined(HAVE_DIRECTX) && defined(HAVE_OPENCL)
static
bool ocl_convert_nv12_to_rgba(
cl_mem clImageY,
cl_mem clImageUV,
cl_mem clBuffer,
int step,
int cols,
int rows)
{
ocl::Kernel k;
k.create("YUV2RGBA_NV12_8u", cv::ocl::core::cvtclr_dx_oclsrc, "");
if (k.empty())
return false;
k.args(clImageY, clImageUV, clBuffer, step, cols, rows);
size_t globalsize[] = { cols, rows };
return k.run(2, globalsize, 0, false);
}
static
bool ocl_convert_rgba_to_nv12(
cl_mem clBuffer,
int step,
int cols,
int rows,
cl_mem clImageY,
cl_mem clImageUV)
{
ocl::Kernel k;
k.create("RGBA2YUV_NV12_8u", cv::ocl::core::cvtclr_dx_oclsrc, "");
if (k.empty())
return false;
k.args(clBuffer, step, cols, rows, clImageY, clImageUV);
size_t globalsize[] = { cols, rows };
return k.run(2, globalsize, 0, false);
}
#endif // HAVE_DIRECTX && HAVE_OPENCL
} // namespace ocl
namespace directx {
void convertToD3D11Texture2D(InputArray src, ID3D11Texture2D* pD3D11Texture2D)
{
(void)src; (void)pD3D11Texture2D;
@ -719,33 +774,63 @@ void convertToD3D11Texture2D(InputArray src, ID3D11Texture2D* pD3D11Texture2D)
Size srcSize = src.size();
CV_Assert(srcSize.width == (int)desc.Width && srcSize.height == (int)desc.Height);
using namespace cv::ocl;
Context& ctx = Context::getDefault();
cl_context context = (cl_context)ctx.ptr();
UMat u = src.getUMat();
// TODO Add support for roi
CV_Assert(u.offset == 0);
CV_Assert(u.isContinuous());
cl_mem clBuffer = (cl_mem)u.handle(ACCESS_READ);
using namespace cv::ocl;
Context& ctx = Context::getDefault();
cl_context context = (cl_context)ctx.ptr();
cl_int status = 0;
cl_mem clImage = clCreateFromD3D11Texture2DKHR(context, CL_MEM_WRITE_ONLY, pD3D11Texture2D, 0, &status);
cl_mem clImage = 0;
cl_mem clImageUV = 0;
clImage = clCreateFromD3D11Texture2DKHR(context, CL_MEM_WRITE_ONLY, pD3D11Texture2D, 0, &status);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clCreateFromD3D11Texture2DKHR failed");
cl_mem clBuffer = (cl_mem)u.handle(ACCESS_READ);
if(DXGI_FORMAT_NV12 == desc.Format)
{
clImageUV = clCreateFromD3D11Texture2DKHR(context, CL_MEM_WRITE_ONLY, pD3D11Texture2D, 1, &status);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clCreateFromD3D11Texture2DKHR failed");
}
cl_command_queue q = (cl_command_queue)Queue::getDefault().ptr();
status = clEnqueueAcquireD3D11ObjectsKHR(q, 1, &clImage, 0, NULL, NULL);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clEnqueueAcquireD3D11ObjectsKHR failed");
size_t offset = 0; // TODO
size_t dst_origin[3] = {0, 0, 0};
size_t region[3] = {u.cols, u.rows, 1};
status = clEnqueueCopyBufferToImage(q, clBuffer, clImage, offset, dst_origin, region, 0, NULL, NULL);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clEnqueueCopyBufferToImage failed");
if(DXGI_FORMAT_NV12 == desc.Format)
{
status = clEnqueueAcquireD3D11ObjectsKHR(q, 1, &clImageUV, 0, NULL, NULL);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clEnqueueAcquireD3D11ObjectsKHR failed");
if(!ocl::ocl_convert_rgba_to_nv12(clBuffer, (int)u.step[0], u.cols, u.rows, clImage, clImageUV))
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: ocl_convert_rgba_to_nv12 failed");
status = clEnqueueReleaseD3D11ObjectsKHR(q, 1, &clImageUV, 0, NULL, NULL);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clEnqueueReleaseD3D11ObjectsKHR failed");
}
else
{
size_t offset = 0; // TODO
size_t origin[3] = { 0, 0, 0 };
size_t region[3] = { u.cols, u.rows, 1 };
status = clEnqueueCopyBufferToImage(q, clBuffer, clImage, offset, origin, region, 0, NULL, NULL);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clEnqueueCopyBufferToImage failed");
}
status = clEnqueueReleaseD3D11ObjectsKHR(q, 1, &clImage, 0, NULL, NULL);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clEnqueueReleaseD3D11ObjectsKHR failed");
@ -757,11 +842,20 @@ void convertToD3D11Texture2D(InputArray src, ID3D11Texture2D* pD3D11Texture2D)
status = clReleaseMemObject(clImage); // TODO RAII
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clReleaseMem failed");
if(DXGI_FORMAT_NV12 == desc.Format)
{
status = clReleaseMemObject(clImageUV);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clReleaseMem failed");
}
#else
// TODO memcpy
NO_OPENCL_SUPPORT_ERROR;
#endif
}
void convertFromD3D11Texture2D(ID3D11Texture2D* pD3D11Texture2D, OutputArray dst)
{
(void)pD3D11Texture2D; (void)dst;
@ -776,10 +870,6 @@ void convertFromD3D11Texture2D(ID3D11Texture2D* pD3D11Texture2D, OutputArray dst
int textureType = getTypeFromDXGI_FORMAT(desc.Format);
CV_Assert(textureType >= 0);
using namespace cv::ocl;
Context& ctx = Context::getDefault();
cl_context context = (cl_context)ctx.ptr();
// TODO Need to specify ACCESS_WRITE here somehow to prevent useless data copying!
dst.create(Size(desc.Width, desc.Height), textureType);
UMat u = dst.getUMat();
@ -788,23 +878,57 @@ void convertFromD3D11Texture2D(ID3D11Texture2D* pD3D11Texture2D, OutputArray dst
CV_Assert(u.offset == 0);
CV_Assert(u.isContinuous());
cl_mem clBuffer = (cl_mem)u.handle(ACCESS_READ);
using namespace cv::ocl;
Context& ctx = Context::getDefault();
cl_context context = (cl_context)ctx.ptr();
cl_int status = 0;
cl_mem clImage = clCreateFromD3D11Texture2DKHR(context, CL_MEM_READ_ONLY, pD3D11Texture2D, 0, &status);
cl_mem clImage = 0;
cl_mem clImageUV = 0;
clImage = clCreateFromD3D11Texture2DKHR(context, CL_MEM_READ_ONLY, pD3D11Texture2D, 0, &status);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clCreateFromD3D11Texture2DKHR failed");
cl_mem clBuffer = (cl_mem)u.handle(ACCESS_READ);
if(DXGI_FORMAT_NV12 == desc.Format)
{
clImageUV = clCreateFromD3D11Texture2DKHR(context, CL_MEM_READ_ONLY, pD3D11Texture2D, 1, &status);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clCreateFromD3D11Texture2DKHR failed");
}
cl_command_queue q = (cl_command_queue)Queue::getDefault().ptr();
status = clEnqueueAcquireD3D11ObjectsKHR(q, 1, &clImage, 0, NULL, NULL);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clEnqueueAcquireD3D11ObjectsKHR failed");
size_t offset = 0; // TODO
size_t src_origin[3] = {0, 0, 0};
size_t region[3] = {u.cols, u.rows, 1};
status = clEnqueueCopyImageToBuffer(q, clImage, clBuffer, src_origin, region, offset, 0, NULL, NULL);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clEnqueueCopyImageToBuffer failed");
if(DXGI_FORMAT_NV12 == desc.Format)
{
status = clEnqueueAcquireD3D11ObjectsKHR(q, 1, &clImageUV, 0, NULL, NULL);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clEnqueueAcquireD3D11ObjectsKHR failed");
if(!ocl::ocl_convert_nv12_to_rgba(clImage, clImageUV, clBuffer, (int)u.step[0], u.cols, u.rows))
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: ocl_convert_nv12_to_rgba failed");
status = clEnqueueReleaseD3D11ObjectsKHR(q, 1, &clImageUV, 0, NULL, NULL);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clEnqueueReleaseD3D11ObjectsKHR failed");
}
else
{
size_t offset = 0; // TODO
size_t origin[3] = { 0, 0, 0 };
size_t region[3] = { u.cols, u.rows, 1 };
status = clEnqueueCopyImageToBuffer(q, clImage, clBuffer, origin, region, offset, 0, NULL, NULL);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clEnqueueCopyImageToBuffer failed");
}
status = clEnqueueReleaseD3D11ObjectsKHR(q, 1, &clImage, 0, NULL, NULL);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clEnqueueReleaseD3D11ObjectsKHR failed");
@ -816,6 +940,13 @@ void convertFromD3D11Texture2D(ID3D11Texture2D* pD3D11Texture2D, OutputArray dst
status = clReleaseMemObject(clImage); // TODO RAII
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clReleaseMem failed");
if(DXGI_FORMAT_NV12 == desc.Format)
{
status = clReleaseMemObject(clImageUV);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clReleaseMem failed");
}
#else
// TODO memcpy
NO_OPENCL_SUPPORT_ERROR;

187
modules/core/src/opencl/cvtclr_dx.cl Normal file
View File

@ -0,0 +1,187 @@
/*M///////////////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
// By downloading, copying, installing or using the software you agree to this license.
// If you do not agree to this license, do not download, install,
// copy or use the software.
//
//
// License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2010-2012, Institute Of Software Chinese Academy Of Science, all rights reserved.
// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// @Authors
// Jia Haipeng, jiahaipeng95@gmail.com
//
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistribution's in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// * The name of the copyright holders may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors as is and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the copyright holders or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/
#ifdef DOUBLE_SUPPORT
#ifdef cl_amd_fp64
#pragma OPENCL EXTENSION cl_amd_fp64:enable
#elif defined cl_khr_fp64
#pragma OPENCL EXTENSION cl_khr_fp64:enable
#endif
#endif
#ifdef INTEL_DEVICE
#pragma OPENCL FP_CONTRACT ON
#pragma OPENCL FP_FAST_FMAF ON
#pragma OPENCL FP_FAST_FMA ON
#endif
static
__constant
float c_YUV2RGBCoeffs_420[5] =
{
1.163999557f,
2.017999649f,
-0.390999794f,
-0.812999725f,
1.5959997177f
};
__kernel
void YUV2RGBA_NV12_8u(
read_only image2d_t imgY,
read_only image2d_t imgUV,
__global unsigned char* pRGBA,
int rgbaStep,
int cols,
int rows)
{
int x = get_global_id(0);
int y = get_global_id(1);
if (x < cols)
{
if (y < rows)
{
__global uchar* pDstRow1 = pRGBA + mad24(y, rgbaStep, mad24(x, 4, 0));
__global uchar* pDstRow2 = pDstRow1 + rgbaStep;
float4 Y1 = read_imagef(imgY, (int2)(x+0, y+0)) * 255.0f;
float4 Y2 = read_imagef(imgY, (int2)(x+1, y+0)) * 255.0f;
float4 Y3 = read_imagef(imgY, (int2)(x+0, y+1)) * 255.0f;
float4 Y4 = read_imagef(imgY, (int2)(x+1, y+1)) * 255.0f;
float4 UV = read_imagef(imgUV, (int2)(x/2, y/2)) * 255.0f - 128.0f;
__constant float* coeffs = c_YUV2RGBCoeffs_420;
float ruv = fma(coeffs[4], UV.y, 0.5f);
float guv = fma(coeffs[3], UV.y, fma(coeffs[2], UV.x, 0.5f));
float buv = fma(coeffs[1], UV.x, 0.5f);
Y1 = max(0.f, Y1 - 16.f) * coeffs[0];
pDstRow1[0+0] = convert_uchar_sat(Y1.x + ruv);
pDstRow1[1+0] = convert_uchar_sat(Y1.x + guv);
pDstRow1[2+0] = convert_uchar_sat(Y1.x + buv);
pDstRow1[3+0] = 255;
Y2 = max(0.f, Y2 - 16.f) * coeffs[0];
pDstRow1[0+4] = convert_uchar_sat(Y2.x + ruv);
pDstRow1[1+4] = convert_uchar_sat(Y2.x + guv);
pDstRow1[2+4] = convert_uchar_sat(Y2.x + buv);
pDstRow1[3+4] = 255;
Y3 = max(0.f, Y3 - 16.f) * coeffs[0];
pDstRow2[0+0] = convert_uchar_sat(Y3.x + ruv);
pDstRow2[1+0] = convert_uchar_sat(Y3.x + guv);
pDstRow2[2+0] = convert_uchar_sat(Y3.x + buv);
pDstRow2[3+0] = 255;
Y4 = max(0.f, Y4 - 16.f) * coeffs[0];
pDstRow2[0+4] = convert_uchar_sat(Y4.x + ruv);
pDstRow2[1+4] = convert_uchar_sat(Y4.x + guv);
pDstRow2[2+4] = convert_uchar_sat(Y4.x + buv);
pDstRow2[3+4] = 255;
}
}
}
static
__constant float c_RGB2YUVCoeffs_420[8] =
{
0.256999969f, 0.50399971f, 0.09799957f, -0.1479988098f,
-0.2909994125f, 0.438999176f, -0.3679990768f, -0.0709991455f
};
#define scn 4
__kernel
void RGBA2YUV_NV12_8u(
__global unsigned char* pRGBA,
int rgbaStep,
int cols,
int rows,
write_only image2d_t imgY,
write_only image2d_t imgUV)
{
int x = get_global_id(0);
int y = get_global_id(1);
if (x < cols)
{
if (y < rows)
{
__global const uchar* pSrcRow1 = pRGBA + mad24(y, rgbaStep, mad24(x, scn, 0));
__global const uchar* pSrcRow2 = pSrcRow1 + rgbaStep;
float4 src_pix1 = convert_float4(vload4(0, pSrcRow1 + 0));
float4 src_pix2 = convert_float4(vload4(0, pSrcRow1 + scn));
float4 src_pix3 = convert_float4(vload4(0, pSrcRow2 + 0));
float4 src_pix4 = convert_float4(vload4(0, pSrcRow2 + scn));
__constant float* coeffs = c_RGB2YUVCoeffs_420;
uchar Y1 = convert_uchar_sat(fma(coeffs[0], src_pix1.x, fma(coeffs[1], src_pix1.y, fma(coeffs[2], src_pix1.z, 16.5f))));
uchar Y2 = convert_uchar_sat(fma(coeffs[0], src_pix2.x, fma(coeffs[1], src_pix2.y, fma(coeffs[2], src_pix2.z, 16.5f))));
uchar Y3 = convert_uchar_sat(fma(coeffs[0], src_pix3.x, fma(coeffs[1], src_pix3.y, fma(coeffs[2], src_pix3.z, 16.5f))));
uchar Y4 = convert_uchar_sat(fma(coeffs[0], src_pix4.x, fma(coeffs[1], src_pix4.y, fma(coeffs[2], src_pix4.z, 16.5f))));
write_imageui(imgY, (int2)(x+0, y+0), Y1);
write_imageui(imgY, (int2)(x+1, y+0), Y2);
write_imageui(imgY, (int2)(x+0, y+1), Y3);
write_imageui(imgY, (int2)(x+1, y+1), Y4);
float uf = fma(coeffs[3], src_pix1.x, fma(coeffs[4], src_pix1.y, fma(coeffs[5], src_pix1.z, 128.5f)));
float vf = fma(coeffs[5], src_pix1.x, fma(coeffs[6], src_pix1.y, fma(coeffs[7], src_pix1.z, 128.5f)));
uchar U = convert_uchar_sat(uf);
uchar V = convert_uchar_sat(vf);
write_imageui(imgUV, (int2)((x/2)+0, (y/2)), U);
write_imageui(imgUV, (int2)((x/2)+1, (y/2)), V);
}
}
}

11
samples/directx/d3d10_interop.cpp
View File

@ -135,7 +135,7 @@ public:
if (!m_cap.read(m_frame_bgr))
return -1;
cv::cvtColor(m_frame_bgr, m_frame_rgba, CV_RGB2BGRA);
cv::cvtColor(m_frame_bgr, m_frame_rgba, CV_BGR2RGBA);
UINT subResource = ::D3D10CalcSubresource(0, 0, 1);
@ -166,6 +166,9 @@ public:
if (m_shutdown)
return 0;
// capture user input once
MODE mode = (m_mode == MODE_GPU_NV12) ? MODE_GPU_RGBA : m_mode;
HRESULT r;
ID3D10Texture2D* pSurface;
@ -177,7 +180,7 @@ public:
m_timer.start();
switch (m_mode)
switch (mode)
{
case MODE_CPU:
{
@ -214,7 +217,7 @@ public:
break;
}
case MODE_GPU:
case MODE_GPU_RGBA:
{
// process video frame on GPU
cv::UMat u;
@ -227,7 +230,7 @@ public:
cv::blur(u, u, cv::Size(15, 15), cv::Point(-7, -7));
}
cv::String strMode = cv::format("mode: %s", m_modeStr[MODE_GPU].c_str());
cv::String strMode = cv::format("mode: %s", m_modeStr[MODE_GPU_RGBA].c_str());
cv::String strProcessing = m_demo_processing ? "blur frame" : "copy frame";
cv::String strTime = cv::format("time: %4.1f msec", m_timer.time(Timer::UNITS::MSEC));
cv::String strDevName = cv::format("OpenCL device: %s", m_oclDevName.c_str());

370
samples/directx/d3d11_interop.cpp
View File

@ -57,23 +57,31 @@ public:
scd.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH; // allow full-screen switching
r = ::D3D11CreateDeviceAndSwapChain(
NULL,
D3D_DRIVER_TYPE_HARDWARE,
NULL,
0,
NULL,
0,
D3D11_SDK_VERSION,
&scd,
&m_pD3D11SwapChain,
&m_pD3D11Dev,
NULL,
&m_pD3D11Ctx);
NULL,
D3D_DRIVER_TYPE_HARDWARE,
NULL,
0,
NULL,
0,
D3D11_SDK_VERSION,
&scd,
&m_pD3D11SwapChain,
&m_pD3D11Dev,
NULL,
&m_pD3D11Ctx);
if (FAILED(r))
{
throw std::runtime_error("D3D11CreateDeviceAndSwapChain() failed!");
}
m_nv12_available = true;
UINT fmt = 0;
r = m_pD3D11Dev->CheckFormatSupport(DXGI_FORMAT_NV12, &fmt);
if (FAILED(r))
{
m_nv12_available = false;
}
r = m_pD3D11SwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&m_pBackBuffer);
if (FAILED(r))
{
@ -98,24 +106,70 @@ public:
m_pD3D11Ctx->RSSetViewports(1, &viewport);
D3D11_TEXTURE2D_DESC desc;
m_pSurfaceRGBA = 0;
m_pSurfaceNV12 = 0;
desc.Width = m_width;
desc.Height = m_height;
desc.MipLevels = 1;
desc.ArraySize = 1;
desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
desc.SampleDesc.Count = 1;
desc.SampleDesc.Quality = 0;
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
desc.Usage = D3D11_USAGE_DYNAMIC;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
desc.MiscFlags = 0;
D3D11_TEXTURE2D_DESC desc_rgba;
r = m_pD3D11Dev->CreateTexture2D(&desc, NULL, &m_pSurface);
desc_rgba.Width = m_width;
desc_rgba.Height = m_height;
desc_rgba.MipLevels = 1;
desc_rgba.ArraySize = 1;
desc_rgba.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
desc_rgba.SampleDesc.Count = 1;
desc_rgba.SampleDesc.Quality = 0;
desc_rgba.BindFlags = D3D11_BIND_SHADER_RESOURCE;
desc_rgba.Usage = D3D11_USAGE_DYNAMIC;
desc_rgba.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
desc_rgba.MiscFlags = 0;
r = m_pD3D11Dev->CreateTexture2D(&desc_rgba, 0, &m_pSurfaceRGBA);
if (FAILED(r))
{
throw std::runtime_error("Can't create texture with input image");
throw std::runtime_error("Can't create DX texture");
}
if(m_nv12_available)
{
D3D11_TEXTURE2D_DESC desc_nv12;
desc_nv12.Width = m_width;
desc_nv12.Height = m_height;
desc_nv12.MipLevels = 1;
desc_nv12.ArraySize = 1;
desc_nv12.Format = DXGI_FORMAT_NV12;
desc_nv12.SampleDesc.Count = 1;
desc_nv12.SampleDesc.Quality = 0;
desc_nv12.BindFlags = D3D11_BIND_SHADER_RESOURCE;
desc_nv12.Usage = D3D11_USAGE_DEFAULT;
desc_nv12.CPUAccessFlags = 0;
desc_nv12.MiscFlags = D3D11_RESOURCE_MISC_SHARED;
r = m_pD3D11Dev->CreateTexture2D(&desc_nv12, 0, &m_pSurfaceNV12);
if (FAILED(r))
{
throw std::runtime_error("Can't create DX NV12 texture");
}
D3D11_TEXTURE2D_DESC desc_nv12_cpu_copy;
desc_nv12_cpu_copy.Width = m_width;
desc_nv12_cpu_copy.Height = m_height;
desc_nv12_cpu_copy.MipLevels = 1;
desc_nv12_cpu_copy.ArraySize = 1;
desc_nv12_cpu_copy.Format = DXGI_FORMAT_NV12;
desc_nv12_cpu_copy.SampleDesc.Count = 1;
desc_nv12_cpu_copy.SampleDesc.Quality = 0;
desc_nv12_cpu_copy.BindFlags = 0;
desc_nv12_cpu_copy.Usage = D3D11_USAGE_STAGING;
desc_nv12_cpu_copy.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE | D3D11_CPU_ACCESS_READ;
desc_nv12_cpu_copy.MiscFlags = 0;
r = m_pD3D11Dev->CreateTexture2D(&desc_nv12_cpu_copy, 0, &m_pSurfaceNV12_cpu_copy);
if (FAILED(r))
{
throw std::runtime_error("Can't create DX NV12 texture");
}
}
// initialize OpenCL context of OpenCV lib from DirectX
@ -133,31 +187,42 @@ public:
// get media data on DX surface for further processing
int get_surface(ID3D11Texture2D** ppSurface)
int get_surface(ID3D11Texture2D** ppSurface, bool use_nv12)
{
HRESULT r;
if (!m_cap.read(m_frame_bgr))
throw std::runtime_error("Can't get frame");
return -1;
cv::cvtColor(m_frame_bgr, m_frame_rgba, CV_RGB2BGRA);
UINT subResource = ::D3D11CalcSubresource(0, 0, 1);
D3D11_MAPPED_SUBRESOURCE mappedTex;
r = m_pD3D11Ctx->Map(m_pSurface, subResource, D3D11_MAP_WRITE_DISCARD, 0, &mappedTex);
if (FAILED(r))
if (use_nv12)
{
throw std::runtime_error("surface mapping failed!");
cv::cvtColor(m_frame_bgr, m_frame_i420, CV_BGR2YUV_I420);
convert_I420_to_NV12(m_frame_i420, m_frame_nv12, m_width, m_height);
m_pD3D11Ctx->UpdateSubresource(m_pSurfaceNV12, 0, 0, m_frame_nv12.data, (UINT)m_frame_nv12.step[0], (UINT)m_frame_nv12.total());
}
else
{
cv::cvtColor(m_frame_bgr, m_frame_rgba, CV_BGR2RGBA);
// process video frame on CPU
UINT subResource = ::D3D11CalcSubresource(0, 0, 1);
D3D11_MAPPED_SUBRESOURCE mappedTex;
r = m_pD3D11Ctx->Map(m_pSurfaceRGBA, subResource, D3D11_MAP_WRITE_DISCARD, 0, &mappedTex);
if (FAILED(r))
{
throw std::runtime_error("surface mapping failed!");
}
cv::Mat m(m_height, m_width, CV_8UC4, mappedTex.pData, mappedTex.RowPitch);
m_frame_rgba.copyTo(m);
m_pD3D11Ctx->Unmap(m_pSurfaceRGBA, subResource);
}
cv::Mat m(m_height, m_width, CV_8UC4, mappedTex.pData, (int)mappedTex.RowPitch);
// copy video frame data to surface
m_frame_rgba.copyTo(m);
m_pD3D11Ctx->Unmap(m_pSurface, subResource);
*ppSurface = m_pSurface;
*ppSurface = use_nv12 ? m_pSurfaceNV12 : m_pSurfaceRGBA;
return 0;
} // get_surface()
@ -171,10 +236,13 @@ public:
if (m_shutdown)
return 0;
// capture user input once
MODE mode = (m_mode == MODE_GPU_NV12 && !m_nv12_available) ? MODE_GPU_RGBA : m_mode;
HRESULT r;
ID3D11Texture2D* pSurface = 0;
r = get_surface(&pSurface);
r = get_surface(&pSurface, mode == MODE_GPU_NV12);
if (FAILED(r))
{
throw std::runtime_error("get_surface() failed!");
@ -182,70 +250,112 @@ public:
m_timer.start();
switch (m_mode)
switch (mode)
{
case MODE_CPU:
case MODE_CPU:
{
// process video frame on CPU
UINT subResource = ::D3D11CalcSubresource(0, 0, 1);
D3D11_MAPPED_SUBRESOURCE mappedTex;
r = m_pD3D11Ctx->Map(pSurface, subResource, D3D11_MAP_WRITE_DISCARD, 0, &mappedTex);
if (FAILED(r))
{
throw std::runtime_error("surface mapping failed!");
}
cv::Mat m(m_height, m_width, CV_8UC4, mappedTex.pData, (int)mappedTex.RowPitch);
if (m_demo_processing)
{
// blur data from D3D11 surface with OpenCV on CPU
cv::blur(m, m, cv::Size(15, 15), cv::Point(-7, -7));
}
cv::String strMode = cv::format("mode: %s", m_modeStr[MODE_CPU].c_str());
cv::String strProcessing = m_demo_processing ? "blur frame" : "copy frame";
cv::String strTime = cv::format("time: %4.1f msec", m_timer.time(Timer::UNITS::MSEC));
cv::String strDevName = cv::format("OpenCL device: %s", m_oclDevName.c_str());
cv::putText(m, strMode, cv::Point(0, 16), 1, 0.8, cv::Scalar(0, 0, 0));
cv::putText(m, strProcessing, cv::Point(0, 32), 1, 0.8, cv::Scalar(0, 0, 0));
cv::putText(m, strTime, cv::Point(0, 48), 1, 0.8, cv::Scalar(0, 0, 0));
cv::putText(m, strDevName, cv::Point(0, 64), 1, 0.8, cv::Scalar(0, 0, 0));
m_pD3D11Ctx->Unmap(pSurface, subResource);
break;
}
case MODE_GPU_RGBA:
case MODE_GPU_NV12:
{
// process video frame on GPU
cv::UMat u;
cv::directx::convertFromD3D11Texture2D(pSurface, u);
if (m_demo_processing)
{
// blur data from D3D11 surface with OpenCV on GPU with OpenCL
cv::blur(u, u, cv::Size(15, 15), cv::Point(-7, -7));
}
cv::String strMode = cv::format("mode: %s", m_modeStr[mode].c_str());
cv::String strProcessing = m_demo_processing ? "blur frame" : "copy frame";
cv::String strTime = cv::format("time: %4.1f msec", m_timer.time(Timer::UNITS::MSEC));
cv::String strDevName = cv::format("OpenCL device: %s", m_oclDevName.c_str());
cv::putText(u, strMode, cv::Point(0, 16), 1, 0.8, cv::Scalar(0, 0, 0));
cv::putText(u, strProcessing, cv::Point(0, 32), 1, 0.8, cv::Scalar(0, 0, 0));
cv::putText(u, strTime, cv::Point(0, 48), 1, 0.8, cv::Scalar(0, 0, 0));
cv::putText(u, strDevName, cv::Point(0, 64), 1, 0.8, cv::Scalar(0, 0, 0));
cv::directx::convertToD3D11Texture2D(u, pSurface);
if (mode == MODE_GPU_NV12)
{
// just for rendering, we need to convert NV12 to RGBA.
m_pD3D11Ctx->CopyResource(m_pSurfaceNV12_cpu_copy, m_pSurfaceNV12);
// process video frame on CPU
UINT subResource = ::D3D11CalcSubresource(0, 0, 1);
D3D11_MAPPED_SUBRESOURCE mappedTex;
r = m_pD3D11Ctx->Map(pSurface, subResource, D3D11_MAP_WRITE_DISCARD, 0, &mappedTex);
if (FAILED(r))
{
throw std::runtime_error("surface mapping failed!");
UINT subResource = ::D3D11CalcSubresource(0, 0, 1);
D3D11_MAPPED_SUBRESOURCE mappedTex;
r = m_pD3D11Ctx->Map(m_pSurfaceNV12_cpu_copy, subResource, D3D11_MAP_READ, 0, &mappedTex);
if (FAILED(r))
{
throw std::runtime_error("surface mapping failed!");
}
cv::Mat frame_nv12(m_height + (m_height / 2), m_width, CV_8UC1, mappedTex.pData, mappedTex.RowPitch);
cv::cvtColor(frame_nv12, m_frame_rgba, CV_YUV2RGBA_NV12);
m_pD3D11Ctx->Unmap(m_pSurfaceNV12_cpu_copy, subResource);
}
cv::Mat m(m_height, m_width, CV_8UC4, mappedTex.pData, (int)mappedTex.RowPitch);
if (m_demo_processing)
{
// blur data from D3D11 surface with OpenCV on CPU
cv::blur(m, m, cv::Size(15, 15), cv::Point(-7, -7));
UINT subResource = ::D3D11CalcSubresource(0, 0, 1);
D3D11_MAPPED_SUBRESOURCE mappedTex;
r = m_pD3D11Ctx->Map(m_pSurfaceRGBA, subResource, D3D11_MAP_WRITE_DISCARD, 0, &mappedTex);
if (FAILED(r))
{
throw std::runtime_error("surface mapping failed!");
}
cv::Mat m(m_height, m_width, CV_8UC4, mappedTex.pData, mappedTex.RowPitch);
m_frame_rgba.copyTo(m);
m_pD3D11Ctx->Unmap(m_pSurfaceRGBA, subResource);
}
cv::String strMode = cv::format("mode: %s", m_modeStr[MODE_CPU].c_str());
cv::String strProcessing = m_demo_processing ? "blur frame" : "copy frame";
cv::String strTime = cv::format("time: %4.1f msec", m_timer.time(Timer::UNITS::MSEC));
cv::String strDevName = cv::format("OpenCL device: %s", m_oclDevName.c_str());
cv::putText(m, strMode, cv::Point(0, 16), 1, 0.8, cv::Scalar(0, 0, 0));
cv::putText(m, strProcessing, cv::Point(0, 32), 1, 0.8, cv::Scalar(0, 0, 0));
cv::putText(m, strTime, cv::Point(0, 48), 1, 0.8, cv::Scalar(0, 0, 0));
cv::putText(m, strDevName, cv::Point(0, 64), 1, 0.8, cv::Scalar(0, 0, 0));
m_pD3D11Ctx->Unmap(pSurface, subResource);
break;
pSurface = m_pSurfaceRGBA;
}
case MODE_GPU:
{
// process video frame on GPU
cv::UMat u;
cv::directx::convertFromD3D11Texture2D(pSurface, u);
if (m_demo_processing)
{
// blur data from D3D11 surface with OpenCV on GPU with OpenCL
cv::blur(u, u, cv::Size(15, 15), cv::Point(-7, -7));
}
cv::String strMode = cv::format("mode: %s", m_modeStr[MODE_GPU].c_str());
cv::String strProcessing = m_demo_processing ? "blur frame" : "copy frame";
cv::String strTime = cv::format("time: %4.1f msec", m_timer.time(Timer::UNITS::MSEC));
cv::String strDevName = cv::format("OpenCL device: %s", m_oclDevName.c_str());
cv::putText(u, strMode, cv::Point(0, 16), 1, 0.8, cv::Scalar(0, 0, 0));
cv::putText(u, strProcessing, cv::Point(0, 32), 1, 0.8, cv::Scalar(0, 0, 0));
cv::putText(u, strTime, cv::Point(0, 48), 1, 0.8, cv::Scalar(0, 0, 0));
cv::putText(u, strDevName, cv::Point(0, 64), 1, 0.8, cv::Scalar(0, 0, 0));
cv::directx::convertToD3D11Texture2D(u, pSurface);
break;
}
break;
}
} // switch
@ -267,12 +377,14 @@ public:
catch (cv::Exception& e)
{
std::cerr << "Exception: " << e.what() << std::endl;
cleanup();
return 10;
}
catch (const std::exception& e)
{
std::cerr << "Exception: " << e.what() << std::endl;
cleanup();
return 11;
}
@ -282,7 +394,9 @@ public:
int cleanup(void)
{
SAFE_RELEASE(m_pSurface);
SAFE_RELEASE(m_pSurfaceRGBA);
SAFE_RELEASE(m_pSurfaceNV12);
SAFE_RELEASE(m_pSurfaceNV12_cpu_copy);
SAFE_RELEASE(m_pBackBuffer);
SAFE_RELEASE(m_pD3D11SwapChain);
SAFE_RELEASE(m_pRenderTarget);
@ -292,16 +406,74 @@ public:
return 0;
} // cleanup()
protected:
void convert_I420_to_NV12(cv::Mat& i420, cv::Mat& nv12, int width, int height)
{
nv12.create(i420.rows, i420.cols, CV_8UC1);
unsigned char* pSrcY = i420.data;
unsigned char* pDstY = nv12.data;
size_t srcStep = i420.step[0];
size_t dstStep = nv12.step[0];
{
unsigned char* src;
unsigned char* dst;
// copy Y plane
for (int i = 0; i < height; i++)
{
src = pSrcY + i*srcStep;
dst = pDstY + i*dstStep;
for (int j = 0; j < width; j++)
{
dst[j] = src[j];
}
}
}
{
// copy U/V planes to UV plane
unsigned char* pSrcU;
unsigned char* pSrcV;
unsigned char* pDstUV;
size_t uv_offset = height * dstStep;
for (int i = 0; i < height / 2; i++)
{
pSrcU = pSrcY + height*width + i*(width / 2);
pSrcV = pSrcY + height*width + (height / 2) * (width / 2) + i*(width / 2);
pDstUV = pDstY + uv_offset + i*dstStep;
for (int j = 0; j < width / 2; j++)
{
pDstUV[j*2 + 0] = pSrcU[j];
pDstUV[j*2 + 1] = pSrcV[j];
}
}
}
return;
}
private:
ID3D11Device* m_pD3D11Dev;
IDXGISwapChain* m_pD3D11SwapChain;
ID3D11DeviceContext* m_pD3D11Ctx;
ID3D11Texture2D* m_pBackBuffer;
ID3D11Texture2D* m_pSurface;
ID3D11Texture2D* m_pSurfaceRGBA;
ID3D11Texture2D* m_pSurfaceNV12;
ID3D11Texture2D* m_pSurfaceNV12_cpu_copy;
ID3D11RenderTargetView* m_pRenderTarget;
cv::ocl::Context m_oclCtx;
cv::String m_oclPlatformName;
cv::String m_oclDevName;
bool m_nv12_available;
cv::Mat m_frame_i420;
cv::Mat m_frame_nv12;
};

11
samples/directx/d3d9_interop.cpp
View File

@ -108,7 +108,7 @@ public:
if (!m_cap.read(m_frame_bgr))
return -1;
cv::cvtColor(m_frame_bgr, m_frame_rgba, CV_RGB2RGBA);
cv::cvtColor(m_frame_bgr, m_frame_rgba, CV_BGR2BGRA);
D3DLOCKED_RECT memDesc = { 0, NULL };
RECT rc = { 0, 0, m_width, m_height };
@ -143,6 +143,9 @@ public:
if (m_shutdown)
return 0;
// capture user input once
MODE mode = (m_mode == MODE_GPU_NV12) ? MODE_GPU_RGBA : m_mode;
HRESULT r;
LPDIRECT3DSURFACE9 pSurface;
@ -154,7 +157,7 @@ public:
m_timer.start();
switch (m_mode)
switch (mode)
{
case MODE_CPU:
{
@ -185,7 +188,7 @@ public:
break;
}
case MODE_GPU:
case MODE_GPU_RGBA:
{
// process video frame on GPU
cv::UMat u;
@ -207,7 +210,7 @@ public:
m_timer.stop();
print_info(pSurface, m_mode, m_timer.time(Timer::UNITS::MSEC), m_oclDevName);
print_info(pSurface, mode, m_timer.time(Timer::UNITS::MSEC), m_oclDevName);
// traditional DX render pipeline:
// BitBlt surface to backBuffer and flip backBuffer to frontBuffer

9
samples/directx/d3d9ex_interop.cpp
View File

@ -108,7 +108,7 @@ public:
if (!m_cap.read(m_frame_bgr))
return -1;
cv::cvtColor(m_frame_bgr, m_frame_rgba, CV_RGB2RGBA);
cv::cvtColor(m_frame_bgr, m_frame_rgba, CV_BGR2BGRA);
D3DLOCKED_RECT memDesc = { 0, NULL };
RECT rc = { 0, 0, m_width, m_height };
@ -143,6 +143,9 @@ public:
if (m_shutdown)
return 0;
// capture user input once
MODE mode = m_mode == MODE_GPU_NV12 ? MODE_GPU_RGBA : m_mode;
HRESULT r;
LPDIRECT3DSURFACE9 pSurface;
@ -154,7 +157,7 @@ public:
m_timer.start();
switch (m_mode)
switch (mode)
{
case MODE_CPU:
{
@ -185,7 +188,7 @@ public:
break;
}
case MODE_GPU:
case MODE_GPU_RGBA:
{
// process video frame on GPU
cv::UMat u;

18
samples/directx/d3dsample.hpp
View File

@ -67,7 +67,8 @@ public:
enum MODE
{
MODE_CPU,
MODE_GPU
MODE_GPU_RGBA,
MODE_GPU_NV12
};
D3DSample(int width, int height, std::string& window_name, cv::VideoCapture& cap) :
@ -76,7 +77,8 @@ public:
m_shutdown = false;
m_mode = MODE_CPU;
m_modeStr[0] = cv::String("Processing on CPU");
m_modeStr[1] = cv::String("Processing on GPU");
m_modeStr[1] = cv::String("Processing on GPU RGBA");
m_modeStr[2] = cv::String("Processing on GPU NV12");
m_demo_processing = false;
m_cap = cap;
}
@ -104,7 +106,12 @@ protected:
}
if (wParam == '2')
{
m_mode = MODE_GPU;
m_mode = MODE_GPU_RGBA;
return 0;
}
if (wParam == '3')
{
m_mode = MODE_GPU_NV12;
return 0;
}
else if (wParam == VK_SPACE)
@ -136,7 +143,7 @@ protected:
bool m_shutdown;
bool m_demo_processing;
MODE m_mode;
cv::String m_modeStr[2];
cv::String m_modeStr[3];
cv::VideoCapture m_cap;
cv::Mat m_frame_bgr;
cv::Mat m_frame_rgba;
@ -151,7 +158,8 @@ static void help()
"Hot keys: \n"
" SPACE - turn processing on/off\n"
" 1 - process DX surface through OpenCV on CPU\n"
" 2 - process DX surface through OpenCV on GPU (via OpenCL)\n"
" 2 - process DX RGBA surface through OpenCV on GPU (via OpenCL)\n"
" 3 - process DX NV12 surface through OpenCV on GPU (via OpenCL)\n"
" ESC - exit\n\n");
}