Hash :
2b132f42
Author :
Date :
2013-01-25T21:52:47
Implements generateMipmap for CPU-side textures TRAC #22350 Author: Shannon Woods Signed-off-by: Jamie Madill Signed-off-by: Daniel Koch git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1763 736b8ea6-26fd-11df-bfd4-992fa37f6226
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//
// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Image11.h: Implements the rx::Image11 class, which acts as the interface to
// the actual underlying resources of a Texture
#include "libGLESv2/renderer/Renderer11.h"
#include "libGLESv2/renderer/Image11.h"
#include "libGLESv2/renderer/TextureStorage11.h"
#include "libGLESv2/Framebuffer.h"
#include "libGLESv2/main.h"
#include "libGLESv2/mathutil.h"
#include "libGLESv2/renderer/renderer11_utils.h"
#include "libGLESv2/renderer/generatemip.h"
namespace rx
{
Image11::Image11()
{
mStagingTexture = NULL;
mRenderer = NULL;
mDXGIFormat = DXGI_FORMAT_UNKNOWN;
}
Image11::~Image11()
{
if (mStagingTexture)
{
mStagingTexture->Release();
}
}
Image11 *Image11::makeImage11(Image *img)
{
ASSERT(dynamic_cast<rx::Image11*>(img) != NULL);
return static_cast<rx::Image11*>(img);
}
void Image11::generateMipmap(Image11 *dest, Image11 *src)
{
ASSERT(src->getDXGIFormat() == dest->getDXGIFormat());
ASSERT(src->getWidth() == 1 || src->getWidth() / 2 == dest->getWidth());
ASSERT(src->getHeight() == 1 || src->getHeight() / 2 == dest->getHeight());
D3D11_MAPPED_SUBRESOURCE destMapped, srcMapped;
dest->map(&destMapped);
src->map(&srcMapped);
const unsigned char *sourceData = reinterpret_cast<const unsigned char*>(srcMapped.pData);
unsigned char *destData = reinterpret_cast<unsigned char*>(destMapped.pData);
if (sourceData && destData)
{
switch (src->getDXGIFormat())
{
case DXGI_FORMAT_R8G8B8A8_UNORM:
case DXGI_FORMAT_B8G8R8A8_UNORM:
GenerateMip<R8G8B8A8>(src->getWidth(), src->getHeight(), sourceData, srcMapped.RowPitch, destData, destMapped.RowPitch);
break;
case DXGI_FORMAT_A8_UNORM:
GenerateMip<A8>(src->getWidth(), src->getHeight(), sourceData, srcMapped.RowPitch, destData, destMapped.RowPitch);
break;
case DXGI_FORMAT_R8_UNORM:
GenerateMip<R8>(src->getWidth(), src->getHeight(), sourceData, srcMapped.RowPitch, destData, destMapped.RowPitch);
break;
case DXGI_FORMAT_R32G32B32A32_FLOAT:
GenerateMip<A32B32G32R32F>(src->getWidth(), src->getHeight(), sourceData, srcMapped.RowPitch, destData, destMapped.RowPitch);
break;
case DXGI_FORMAT_R32G32B32_FLOAT:
GenerateMip<R32G32B32F>(src->getWidth(), src->getHeight(), sourceData, srcMapped.RowPitch, destData, destMapped.RowPitch);
break;
case DXGI_FORMAT_R16G16B16A16_FLOAT:
GenerateMip<A16B16G16R16F>(src->getWidth(), src->getHeight(), sourceData, srcMapped.RowPitch, destData, destMapped.RowPitch);
break;
case DXGI_FORMAT_R8G8_UNORM:
GenerateMip<R8G8>(src->getWidth(), src->getHeight(), sourceData, srcMapped.RowPitch, destData, destMapped.RowPitch);
break;
case DXGI_FORMAT_R16_FLOAT:
GenerateMip<R16F>(src->getWidth(), src->getHeight(), sourceData, srcMapped.RowPitch, destData, destMapped.RowPitch);
break;
case DXGI_FORMAT_R16G16_FLOAT:
GenerateMip<R16G16F>(src->getWidth(), src->getHeight(), sourceData, srcMapped.RowPitch, destData, destMapped.RowPitch);
break;
case DXGI_FORMAT_R32_FLOAT:
GenerateMip<R32F>(src->getWidth(), src->getHeight(), sourceData, srcMapped.RowPitch, destData, destMapped.RowPitch);
break;
case DXGI_FORMAT_R32G32_FLOAT:
GenerateMip<R32G32F>(src->getWidth(), src->getHeight(), sourceData, srcMapped.RowPitch, destData, destMapped.RowPitch);
break;
default:
UNREACHABLE();
break;
}
dest->unmap();
src->unmap();
}
dest->markDirty();
}
bool Image11::isDirty() const
{
return (mStagingTexture && mDirty);
}
ID3D11Texture2D *Image11::getStagingTexture()
{
createStagingTexture();
return mStagingTexture;
}
bool Image11::updateSurface(TextureStorageInterface2D *storage, int level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height)
{
TextureStorage11_2D *storage11 = TextureStorage11_2D::makeTextureStorage11_2D(storage->getStorageInstance());
return storage11->updateSubresourceLevel(getStagingTexture(), level, 0, xoffset, yoffset, width, height);
}
bool Image11::updateSurface(TextureStorageInterfaceCube *storage, int face, int level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height)
{
TextureStorage11_Cube *storage11 = TextureStorage11_Cube::makeTextureStorage11_Cube(storage->getStorageInstance());
return storage11->updateSubresourceLevel(getStagingTexture(), level, face, xoffset, yoffset, width, height);
}
bool Image11::redefine(Renderer *renderer, GLint internalformat, GLsizei width, GLsizei height, bool forceRelease)
{
if (mWidth != width ||
mHeight != height ||
mInternalFormat != internalformat ||
forceRelease)
{
mRenderer = Renderer11::makeRenderer11(renderer);
mWidth = width;
mHeight = height;
mInternalFormat = internalformat;
// compute the d3d format that will be used
mDXGIFormat = gl_d3d11::ConvertTextureFormat(internalformat);
mActualFormat = d3d11_gl::ConvertTextureInternalFormat(mDXGIFormat);
if (mStagingTexture)
{
mStagingTexture->Release();
mStagingTexture = NULL;
}
return true;
}
return false;
}
bool Image11::isRenderableFormat() const
{
return TextureStorage11::IsTextureFormatRenderable(mDXGIFormat);
}
DXGI_FORMAT Image11::getDXGIFormat() const
{
// this should only happen if the image hasn't been redefined first
// which would be a bug by the caller
ASSERT(mDXGIFormat != DXGI_FORMAT_UNKNOWN);
return mDXGIFormat;
}
// Store the pixel rectangle designated by xoffset,yoffset,width,height with pixels stored as format/type at input
// into the target pixel rectangle.
void Image11::loadData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
GLint unpackAlignment, const void *input)
{
D3D11_MAPPED_SUBRESOURCE mappedImage;
HRESULT result = map(&mappedImage);
if (FAILED(result))
{
ERR("Could not map image for loading.");
return;
}
GLsizei inputPitch = gl::ComputePitch(width, mInternalFormat, unpackAlignment);
size_t pixelSize = d3d11::ComputePixelSizeBits(mDXGIFormat) / 8;
void* offsetMappedData = (void*)((BYTE *)mappedImage.pData + (yoffset * mappedImage.RowPitch + xoffset * pixelSize));
switch (mInternalFormat)
{
case GL_ALPHA8_EXT:
loadAlphaDataToNative(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
case GL_LUMINANCE8_EXT:
loadLuminanceDataToNativeOrBGRA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData, false);
break;
case GL_ALPHA32F_EXT:
loadAlphaFloatDataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
case GL_LUMINANCE32F_EXT:
loadLuminanceFloatDataToRGB(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
case GL_ALPHA16F_EXT:
loadAlphaHalfFloatDataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
case GL_LUMINANCE16F_EXT:
loadLuminanceHalfFloatDataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
case GL_LUMINANCE8_ALPHA8_EXT:
loadLuminanceAlphaDataToNativeOrBGRA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData, false);
break;
case GL_LUMINANCE_ALPHA32F_EXT:
loadLuminanceAlphaFloatDataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
case GL_LUMINANCE_ALPHA16F_EXT:
loadLuminanceAlphaHalfFloatDataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
case GL_RGB8_OES:
loadRGBUByteDataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
case GL_RGB565:
loadRGB565DataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
case GL_RGBA8_OES:
loadRGBAUByteDataToNative(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
case GL_RGBA4:
loadRGBA4444DataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
case GL_RGB5_A1:
loadRGBA5551DataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
case GL_BGRA8_EXT:
loadBGRADataToBGRA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
case GL_RGB32F_EXT:
loadRGBFloatDataToNative(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
case GL_RGB16F_EXT:
loadRGBHalfFloatDataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
case GL_RGBA32F_EXT:
loadRGBAFloatDataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
case GL_RGBA16F_EXT:
loadRGBAHalfFloatDataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
break;
default: UNREACHABLE();
}
unmap();
}
void Image11::loadCompressedData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
const void *input)
{
ASSERT(xoffset % 4 == 0);
ASSERT(yoffset % 4 == 0);
D3D11_MAPPED_SUBRESOURCE mappedImage;
HRESULT result = map(&mappedImage);
if (FAILED(result))
{
ERR("Could not map image for loading.");
return;
}
// Size computation assumes a 4x4 block compressed texture format
size_t blockSize = d3d11::ComputeBlockSizeBits(mDXGIFormat) / 8;
void* offsetMappedData = (void*)((BYTE *)mappedImage.pData + ((yoffset / 4) * mappedImage.RowPitch + (xoffset / 4) * blockSize));
GLsizei inputSize = gl::ComputeCompressedSize(width, height, mInternalFormat);
GLsizei inputPitch = gl::ComputeCompressedPitch(width, mInternalFormat);
int rows = inputSize / inputPitch;
for (int i = 0; i < rows; ++i)
{
memcpy((void*)((BYTE*)offsetMappedData + i * mappedImage.RowPitch), (void*)((BYTE*)input + i * inputPitch), inputPitch);
}
unmap();
}
void Image11::copy(GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, gl::Framebuffer *source)
{
if (source->getColorbuffer() && source->getColorbuffer()->getInternalFormat() == (GLuint)mInternalFormat)
{
// No conversion needed-- use copyback fastpath
ID3D11Texture2D *colorBufferTexture = NULL;
unsigned int subresourceIndex = 0;
if (mRenderer->getRenderTargetResource(source, &subresourceIndex, &colorBufferTexture))
{
D3D11_TEXTURE2D_DESC textureDesc;
colorBufferTexture->GetDesc(&textureDesc);
ID3D11Device *device = mRenderer->getDevice();
ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
ID3D11Texture2D* srcTex = NULL;
if (textureDesc.SampleDesc.Count > 1)
{
D3D11_TEXTURE2D_DESC resolveDesc;
resolveDesc.Width = textureDesc.Width;
resolveDesc.Height = textureDesc.Height;
resolveDesc.MipLevels = 1;
resolveDesc.ArraySize = 1;
resolveDesc.Format = textureDesc.Format;
resolveDesc.SampleDesc.Count = 1;
resolveDesc.SampleDesc.Quality = 0;
resolveDesc.Usage = D3D11_USAGE_DEFAULT;
resolveDesc.BindFlags = 0;
resolveDesc.CPUAccessFlags = 0;
resolveDesc.MiscFlags = 0;
HRESULT result = device->CreateTexture2D(&resolveDesc, NULL, &srcTex);
if (FAILED(result))
{
ERR("Failed to create resolve texture for Image11::copy, HRESULT: 0x%X.", result);
return;
}
deviceContext->ResolveSubresource(srcTex, 0, colorBufferTexture, subresourceIndex, textureDesc.Format);
subresourceIndex = 0;
}
else
{
srcTex = colorBufferTexture;
srcTex->AddRef();
}
D3D11_BOX srcBox;
srcBox.left = x;
srcBox.right = x + width;
srcBox.top = y;
srcBox.bottom = y + height;
srcBox.front = 0;
srcBox.back = 1;
deviceContext->CopySubresourceRegion(mStagingTexture, 0, xoffset, yoffset, 0, srcTex, subresourceIndex, &srcBox);
srcTex->Release();
colorBufferTexture->Release();
}
}
else
{
// This format requires conversion, so we must copy the texture to staging and manually convert via readPixels
D3D11_MAPPED_SUBRESOURCE mappedImage;
HRESULT result = map(&mappedImage);
mRenderer->readPixels(source, x, y, width, height, gl::ExtractFormat(mInternalFormat),
gl::ExtractType(mInternalFormat), mappedImage.RowPitch, false, 4, mappedImage.pData);
unmap();
}
}
void Image11::createStagingTexture()
{
if (mStagingTexture)
{
return;
}
ID3D11Texture2D *newTexture = NULL;
const DXGI_FORMAT dxgiFormat = getDXGIFormat();
ASSERT(dxgiFormat != DXGI_FORMAT_D24_UNORM_S8_UINT); // We should never get here for depth textures
if (mWidth != 0 && mHeight != 0)
{
ID3D11Device *device = mRenderer->getDevice();
D3D11_TEXTURE2D_DESC desc;
desc.Width = mWidth;
desc.Height = mHeight;
desc.MipLevels = desc.ArraySize = 1;
desc.Format = dxgiFormat;
desc.SampleDesc.Count = 1;
desc.SampleDesc.Quality = 0;
desc.Usage = D3D11_USAGE_STAGING;
desc.BindFlags = 0;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
desc.MiscFlags = 0;
HRESULT result = device->CreateTexture2D(&desc, NULL, &newTexture);
if (FAILED(result))
{
ASSERT(result == E_OUTOFMEMORY);
ERR("Creating image failed.");
return error(GL_OUT_OF_MEMORY);
}
}
mStagingTexture = newTexture;
mDirty = false;
}
HRESULT Image11::map(D3D11_MAPPED_SUBRESOURCE *map)
{
createStagingTexture();
HRESULT result = D3DERR_INVALIDCALL;
if (mStagingTexture)
{
ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
result = deviceContext->Map(mStagingTexture, 0, D3D11_MAP_WRITE, 0, map);
ASSERT(SUCCEEDED(result));
mDirty = true;
}
return result;
}
void Image11::unmap()
{
if (mStagingTexture)
{
ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
deviceContext->Unmap(mStagingTexture, 0);
}
}
}