mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-11-14 21:17:54 +00:00
418 lines
13 KiB
C++
418 lines
13 KiB
C++
/*
|
|
Looking Glass - KVM FrameRelay (KVMFR) Client
|
|
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
|
|
https://looking-glass.hostfission.com
|
|
|
|
This program is free software; you can redistribute it and/or modify it under
|
|
the terms of the GNU General Public License as published by the Free Software
|
|
Foundation; either version 2 of the License, or (at your option) any later
|
|
version.
|
|
|
|
This program is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
|
|
PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License along with
|
|
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
|
|
Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "TextureConverter.h"
|
|
#include "common\debug.h"
|
|
|
|
#include "Shaders\Vertex.h"
|
|
#include "Shaders\Pixel.h"
|
|
#include "Shaders\RGBtoYUV.h"
|
|
|
|
TextureConverter::TextureConverter()
|
|
{
|
|
}
|
|
|
|
TextureConverter::~TextureConverter()
|
|
{
|
|
DeInitialize();
|
|
}
|
|
|
|
bool TextureConverter::Initialize(
|
|
ID3D11DeviceContextPtr deviceContext,
|
|
ID3D11DevicePtr device,
|
|
const unsigned int width,
|
|
const unsigned int height,
|
|
FrameType format
|
|
)
|
|
{
|
|
HRESULT result;
|
|
D3D11_TEXTURE2D_DESC texDesc;
|
|
D3D11_RENDER_TARGET_VIEW_DESC targetDesc;
|
|
D3D11_SHADER_RESOURCE_VIEW_DESC shaderDesc;
|
|
D3D11_SAMPLER_DESC samplerDesc;
|
|
|
|
m_deviceContext = deviceContext;
|
|
m_device = device;
|
|
m_width = width;
|
|
m_height = height;
|
|
m_format = format;
|
|
|
|
result = device->CreatePixelShader(g_Pixel, sizeof(g_Pixel), NULL, &m_psCopy);
|
|
if (FAILED(result))
|
|
{
|
|
DeInitialize();
|
|
DEBUG_ERROR("Failed to create the copy pixel shader");
|
|
return false;
|
|
}
|
|
|
|
switch (format)
|
|
{
|
|
case FRAME_TYPE_YUV420:
|
|
result = device->CreatePixelShader(g_RGBtoYUV, sizeof(g_RGBtoYUV), NULL, &m_psConversion);
|
|
m_texFormats[0] = DXGI_FORMAT_R8_UNORM; m_scaleFormats[0] = 1;
|
|
m_texFormats[1] = DXGI_FORMAT_R8_UNORM; m_scaleFormats[1] = 2;
|
|
m_texFormats[2] = DXGI_FORMAT_R8_UNORM; m_scaleFormats[2] = 2;
|
|
break;
|
|
|
|
default:
|
|
DEBUG_ERROR("Unsupported format");
|
|
return false;
|
|
}
|
|
|
|
if (FAILED(result))
|
|
{
|
|
DeInitialize();
|
|
DEBUG_ERROR("Failed to create the pixel shader");
|
|
return false;
|
|
}
|
|
|
|
const D3D11_INPUT_ELEMENT_DESC inputDesc[] =
|
|
{
|
|
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, D3D11_APPEND_ALIGNED_ELEMENT, D3D11_INPUT_PER_VERTEX_DATA, 0 },
|
|
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT , 0, D3D11_APPEND_ALIGNED_ELEMENT, D3D11_INPUT_PER_VERTEX_DATA, 0 }
|
|
};
|
|
|
|
result = device->CreateInputLayout(inputDesc, _countof(inputDesc), g_Vertex, sizeof(g_Vertex), &m_layout);
|
|
if (FAILED(result))
|
|
{
|
|
DeInitialize();
|
|
DEBUG_ERROR("Failed to create the input layout");
|
|
return false;
|
|
}
|
|
|
|
result = device->CreateVertexShader(g_Vertex, sizeof(g_Vertex), NULL, &m_vertexShader);
|
|
if (FAILED(result))
|
|
{
|
|
DeInitialize();
|
|
DEBUG_ERROR("Failed to create the vertex shader");
|
|
return false;
|
|
}
|
|
|
|
ZeroMemory(&texDesc , sizeof(texDesc ));
|
|
ZeroMemory(&targetDesc , sizeof(targetDesc ));
|
|
ZeroMemory(&shaderDesc , sizeof(shaderDesc ));
|
|
ZeroMemory(&samplerDesc, sizeof(samplerDesc));
|
|
|
|
texDesc.Width = width;
|
|
texDesc.Height = height;
|
|
texDesc.MipLevels = 1;
|
|
texDesc.ArraySize = 1;
|
|
texDesc.SampleDesc.Count = 1;
|
|
texDesc.Usage = D3D11_USAGE_DEFAULT;
|
|
texDesc.CPUAccessFlags = 0;
|
|
texDesc.MiscFlags = 0;
|
|
texDesc.BindFlags = D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE;
|
|
|
|
targetDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
|
|
|
|
shaderDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
|
|
shaderDesc.Texture2D.MipLevels = 1;
|
|
|
|
for(int i = 0; i < _countof(m_targetTexture); ++i)
|
|
{
|
|
if (m_texFormats[i] == DXGI_FORMAT_UNKNOWN)
|
|
continue;
|
|
|
|
texDesc .Format = m_texFormats[i];
|
|
targetDesc.Format = m_texFormats[i];
|
|
shaderDesc.Format = m_texFormats[i];
|
|
|
|
result = device->CreateTexture2D(&texDesc, NULL, &m_targetTexture[i]);
|
|
if (FAILED(result))
|
|
{
|
|
DeInitialize();
|
|
DEBUG_ERROR("Failed to create the render texture");
|
|
return false;
|
|
}
|
|
|
|
result = device->CreateRenderTargetView(m_targetTexture[i], &targetDesc, &m_renderView[i]);
|
|
if (FAILED(result))
|
|
{
|
|
DeInitialize();
|
|
DEBUG_ERROR("Failed to create the render view");
|
|
return false;
|
|
}
|
|
|
|
result = device->CreateShaderResourceView(m_targetTexture[i], &shaderDesc, &m_shaderView[i]);
|
|
if (FAILED(result))
|
|
{
|
|
DeInitialize();
|
|
DEBUG_ERROR("Failed to create the resource view");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
samplerDesc.Filter = D3D11_FILTER_MIN_MAG_MIP_LINEAR;
|
|
samplerDesc.AddressU = D3D11_TEXTURE_ADDRESS_CLAMP;
|
|
samplerDesc.AddressV = D3D11_TEXTURE_ADDRESS_CLAMP;
|
|
samplerDesc.AddressW = D3D11_TEXTURE_ADDRESS_CLAMP;
|
|
samplerDesc.MipLODBias = 0.0f;
|
|
samplerDesc.MaxAnisotropy = 1;
|
|
samplerDesc.ComparisonFunc = D3D11_COMPARISON_NEVER;
|
|
samplerDesc.BorderColor[0] = 1.0f;
|
|
samplerDesc.BorderColor[1] = 1.0f;
|
|
samplerDesc.BorderColor[2] = 1.0f;
|
|
samplerDesc.MinLOD = -FLT_MAX;
|
|
samplerDesc.MaxLOD = FLT_MAX;
|
|
|
|
result = device->CreateSamplerState(&samplerDesc, &m_samplerState);
|
|
if (FAILED(result))
|
|
{
|
|
DeInitialize();
|
|
DEBUG_ERROR("Failed to create sampler state");
|
|
return false;
|
|
}
|
|
|
|
return IntializeBuffers();
|
|
}
|
|
|
|
bool TextureConverter::IntializeBuffers()
|
|
{
|
|
struct VS_INPUT * verticies;
|
|
unsigned long * indicies;
|
|
HRESULT result;
|
|
D3D11_BUFFER_DESC vertexDesc, indexDesc;
|
|
D3D11_SUBRESOURCE_DATA vertexData, indexData;
|
|
|
|
m_vertexCount = 4;
|
|
m_indexCount = 4;
|
|
|
|
verticies = new struct VS_INPUT[m_vertexCount];
|
|
if (!verticies)
|
|
{
|
|
DeInitialize();
|
|
DEBUG_ERROR("new failure");
|
|
return false;
|
|
}
|
|
|
|
indicies = new unsigned long[m_indexCount];
|
|
if (!indicies)
|
|
{
|
|
DeInitialize();
|
|
DEBUG_ERROR("new failure");
|
|
return false;
|
|
}
|
|
|
|
verticies[0].pos = DirectX::XMFLOAT3(-1.0f, -1.0f, 0.5f); //BL
|
|
verticies[1].pos = DirectX::XMFLOAT3(-1.0f, 1.0f, 0.5f); //TL
|
|
verticies[2].pos = DirectX::XMFLOAT3( 1.0f, -1.0f, 0.5f); //BR
|
|
verticies[3].pos = DirectX::XMFLOAT3( 1.0f, 1.0f, 0.5f); //TR
|
|
verticies[0].tex = DirectX::XMFLOAT2(0.0f, 1.0f);
|
|
verticies[1].tex = DirectX::XMFLOAT2(0.0f, 0.0f);
|
|
verticies[2].tex = DirectX::XMFLOAT2(1.0f, 1.0f);
|
|
verticies[3].tex = DirectX::XMFLOAT2(1.0f, 0.0f);
|
|
indicies[0] = 0;
|
|
indicies[1] = 1;
|
|
indicies[2] = 2;
|
|
indicies[3] = 3;
|
|
|
|
vertexDesc.Usage = D3D11_USAGE_DEFAULT;
|
|
vertexDesc.ByteWidth = sizeof(struct VS_INPUT) * m_vertexCount;
|
|
vertexDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
|
|
vertexDesc.CPUAccessFlags = 0;
|
|
vertexDesc.MiscFlags = 0;
|
|
vertexDesc.StructureByteStride = 0;
|
|
|
|
vertexData.pSysMem = verticies;
|
|
vertexData.SysMemPitch = 0;
|
|
vertexData.SysMemSlicePitch = 0;
|
|
|
|
result = m_device->CreateBuffer(&vertexDesc, &vertexData, &m_vertexBuffer);
|
|
if (FAILED(result))
|
|
{
|
|
delete[] indicies;
|
|
delete[] verticies;
|
|
DeInitialize();
|
|
DEBUG_ERROR("Failed to create vertex buffer");
|
|
return false;
|
|
}
|
|
|
|
indexDesc.Usage = D3D11_USAGE_DEFAULT;
|
|
indexDesc.ByteWidth = sizeof(unsigned long) * m_indexCount;
|
|
indexDesc.BindFlags = D3D11_BIND_INDEX_BUFFER;
|
|
indexDesc.CPUAccessFlags = 0;
|
|
indexDesc.MiscFlags = 0;
|
|
indexDesc.StructureByteStride = 0;
|
|
|
|
indexData.pSysMem = indicies;
|
|
indexData.SysMemPitch = 0;
|
|
indexData.SysMemSlicePitch = 0;
|
|
|
|
result = m_device->CreateBuffer(&indexDesc, &indexData, &m_indexBuffer);
|
|
if (FAILED(result))
|
|
{
|
|
delete[] indicies;
|
|
delete[] verticies;
|
|
DeInitialize();
|
|
DEBUG_ERROR("Failed to create index buffer");
|
|
return false;
|
|
}
|
|
|
|
delete[] indicies;
|
|
delete[] verticies;
|
|
return true;
|
|
}
|
|
|
|
void TextureConverter::DeInitialize()
|
|
{
|
|
m_samplerState = NULL;
|
|
m_indexBuffer = NULL;
|
|
m_indexBuffer = NULL;
|
|
|
|
for(int i = 0; i < _countof(m_targetTexture); ++i)
|
|
{
|
|
m_shaderView [i] = NULL;
|
|
m_renderView [i] = NULL;
|
|
m_targetTexture[i] = NULL;
|
|
}
|
|
|
|
m_vertexShader = NULL;
|
|
m_psConversion = NULL;
|
|
m_layout = NULL;
|
|
m_psCopy = NULL;
|
|
}
|
|
|
|
bool TextureConverter::Convert(ID3D11Texture2DPtr texture, TextureList & output)
|
|
{
|
|
unsigned int stride;
|
|
unsigned int offset;
|
|
float color[4] = { 0.0f, 0.0f, 0.0f, 1.0f };
|
|
|
|
HRESULT result;
|
|
D3D11_TEXTURE2D_DESC texDesc;
|
|
D3D11_SHADER_RESOURCE_VIEW_DESC viewDesc;
|
|
ID3D11ShaderResourceViewPtr textureView;
|
|
texture->GetDesc(&texDesc);
|
|
viewDesc.Format = texDesc.Format;
|
|
viewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
|
|
viewDesc.Texture2D.MostDetailedMip = 0;
|
|
viewDesc.Texture2D.MipLevels = 1;
|
|
|
|
result = m_device->CreateShaderResourceView(texture, &viewDesc, &textureView);
|
|
if (FAILED(result))
|
|
{
|
|
DeInitialize();
|
|
DEBUG_ERROR("Failed to create shader resource view");
|
|
return false;
|
|
}
|
|
|
|
ID3D11Buffer *buffers [] = { m_vertexBuffer.GetInterfacePtr() };
|
|
ID3D11SamplerState *samplerStates[] = { m_samplerState.GetInterfacePtr() };
|
|
ID3D11ShaderResourceView *shaderViews [] = { textureView .GetInterfacePtr() };
|
|
D3D11_VIEWPORT viewPorts [] = { {
|
|
0.0f , 0.0f,
|
|
(float)m_width, (float)m_height,
|
|
0.0f , 1.0f
|
|
} };
|
|
|
|
int targetCount = 0;
|
|
ID3D11RenderTargetView **renderViews = new ID3D11RenderTargetView*[_countof(m_renderView)];
|
|
for(int i = 0; i < _countof(m_renderView); ++i)
|
|
{
|
|
if (m_texFormats[i] == DXGI_FORMAT_UNKNOWN)
|
|
continue;
|
|
|
|
m_deviceContext->ClearRenderTargetView(m_renderView[i], color);
|
|
renderViews[i] = m_renderView[i].GetInterfacePtr();
|
|
++targetCount;
|
|
}
|
|
|
|
m_deviceContext->PSSetShaderResources(0, _countof(shaderViews), shaderViews);
|
|
m_deviceContext->OMSetRenderTargets(targetCount, renderViews, NULL);
|
|
delete [] renderViews;
|
|
|
|
stride = sizeof(VS_INPUT);
|
|
offset = 0;
|
|
|
|
m_deviceContext->RSSetViewports (_countof(viewPorts), viewPorts);
|
|
m_deviceContext->IASetInputLayout (m_layout);
|
|
m_deviceContext->IASetVertexBuffers (0, _countof(buffers), buffers, &stride, &offset);
|
|
m_deviceContext->IASetIndexBuffer (m_indexBuffer, DXGI_FORMAT_R32_UINT, 0);
|
|
m_deviceContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
|
|
m_deviceContext->VSSetShader (m_vertexShader, NULL, 0);
|
|
|
|
m_deviceContext->PSSetSamplers (0, _countof(samplerStates), samplerStates);
|
|
m_deviceContext->PSSetShader (m_psConversion, NULL, 0);
|
|
|
|
m_deviceContext->DrawIndexed(m_indexCount, 0, 0);
|
|
textureView = NULL;
|
|
|
|
D3D11_RENDER_TARGET_VIEW_DESC targetDesc;
|
|
ZeroMemory(&targetDesc, sizeof(targetDesc));
|
|
targetDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
|
|
m_deviceContext->PSSetShader(m_psCopy, NULL, 0);
|
|
|
|
renderViews = new ID3D11RenderTargetView*[1];
|
|
for (int i = 0; i < _countof(m_renderView); ++i)
|
|
{
|
|
if (m_texFormats[i] == DXGI_FORMAT_UNKNOWN)
|
|
continue;
|
|
|
|
ID3D11Texture2DPtr src = m_targetTexture[i];
|
|
ID3D11Texture2DPtr dest;
|
|
ID3D11RenderTargetViewPtr view;
|
|
D3D11_TEXTURE2D_DESC srcDesc;
|
|
|
|
// if there is no scaling
|
|
if (m_scaleFormats[i] == 1)
|
|
{
|
|
output.push_back(src);
|
|
continue;
|
|
}
|
|
|
|
src->GetDesc(&srcDesc);
|
|
viewPorts[0].Width = srcDesc.Width / m_scaleFormats[i];
|
|
viewPorts[0].Height = srcDesc.Height / m_scaleFormats[i];
|
|
srcDesc.Width = (UINT)viewPorts[0].Width;
|
|
srcDesc.Height = (UINT)viewPorts[0].Height;
|
|
|
|
result = m_device->CreateTexture2D(&srcDesc, NULL, &dest);
|
|
if (FAILED(result))
|
|
{
|
|
delete[] renderViews;
|
|
DeInitialize();
|
|
DEBUG_ERROR("Failed to create the target texture");
|
|
return false;
|
|
}
|
|
|
|
targetDesc.Format = srcDesc.Format;
|
|
result = m_device->CreateRenderTargetView(dest, &targetDesc, &view);
|
|
if (FAILED(result))
|
|
{
|
|
delete[] renderViews;
|
|
DeInitialize();
|
|
DEBUG_ERROR("Failed to create the target view");
|
|
return false;
|
|
}
|
|
|
|
renderViews[0] = view.GetInterfacePtr();
|
|
shaderViews[0] = m_shaderView[i].GetInterfacePtr();
|
|
|
|
m_deviceContext->OMSetRenderTargets(1, renderViews, NULL);
|
|
m_deviceContext->RSSetViewports(_countof(viewPorts), viewPorts);
|
|
m_deviceContext->PSSetShaderResources(0, 1, shaderViews);
|
|
m_deviceContext->DrawIndexed(m_indexCount, 0, 0);
|
|
|
|
output.push_back(dest);
|
|
view = NULL;
|
|
}
|
|
|
|
delete[] renderViews;
|
|
return true;
|
|
}
|