blob: b41b8e598f5a1c7c270ede7397b1f8750af6eab2 [file] [log] [blame]
//
// Copyright (c) 2002-2012 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.
//
// Image.cpp: Implements the gl::Image class, which acts as the interface to
// the actual underlying surfaces of a Texture.
#include "libGLESv2/renderer/Image.h"
#include "libEGL/Display.h"
#include "libGLESv2/main.h"
#include "libGLESv2/mathutil.h"
#include "libGLESv2/utilities.h"
#include "libGLESv2/Texture.h"
namespace gl
{
Image::Image()
{
mWidth = 0;
mHeight = 0;
mInternalFormat = GL_NONE;
mSurface = NULL;
mDirty = false;
mD3DPool = D3DPOOL_SYSTEMMEM;
mD3DFormat = D3DFMT_UNKNOWN;
mActualFormat = GL_NONE;
}
Image::~Image()
{
if (mSurface)
{
mSurface->Release();
}
}
void Image::CopyLockableSurfaces(IDirect3DSurface9 *dest, IDirect3DSurface9 *source)
{
D3DLOCKED_RECT sourceLock = {0};
D3DLOCKED_RECT destLock = {0};
source->LockRect(&sourceLock, NULL, 0);
dest->LockRect(&destLock, NULL, 0);
if (sourceLock.pBits && destLock.pBits)
{
D3DSURFACE_DESC desc;
source->GetDesc(&desc);
int rows = dx::IsCompressedFormat(desc.Format) ? desc.Height / 4 : desc.Height;
int bytes = dx::ComputeRowSize(desc.Format, desc.Width);
ASSERT(bytes <= sourceLock.Pitch && bytes <= destLock.Pitch);
for(int i = 0; i < rows; i++)
{
memcpy((char*)destLock.pBits + destLock.Pitch * i, (char*)sourceLock.pBits + sourceLock.Pitch * i, bytes);
}
source->UnlockRect();
dest->UnlockRect();
}
else UNREACHABLE();
}
bool Image::redefine(GLint internalformat, GLsizei width, GLsizei height, bool forceRelease)
{
if (mWidth != width ||
mHeight != height ||
mInternalFormat != internalformat ||
forceRelease)
{
mWidth = width;
mHeight = height;
mInternalFormat = internalformat;
// compute the d3d format that will be used
mD3DFormat = TextureStorage::ConvertTextureInternalFormat(internalformat);
mActualFormat = dx2es::GetEquivalentFormat(mD3DFormat);
if (mSurface)
{
mSurface->Release();
mSurface = NULL;
}
return true;
}
return false;
}
void Image::createSurface()
{
if(mSurface)
{
return;
}
IDirect3DTexture9 *newTexture = NULL;
IDirect3DSurface9 *newSurface = NULL;
const D3DPOOL poolToUse = D3DPOOL_SYSTEMMEM;
const D3DFORMAT d3dFormat = getD3DFormat();
ASSERT(d3dFormat != D3DFMT_INTZ); // We should never get here for depth textures
if (mWidth != 0 && mHeight != 0)
{
int levelToFetch = 0;
GLsizei requestWidth = mWidth;
GLsizei requestHeight = mHeight;
MakeValidSize(true, IsCompressed(mInternalFormat), &requestWidth, &requestHeight, &levelToFetch);
// D3D9_REPLACE
IDirect3DDevice9 *device = getDisplay()->getRenderer()->getDevice();
HRESULT result = device->CreateTexture(requestWidth, requestHeight, levelToFetch + 1, NULL, d3dFormat,
poolToUse, &newTexture, NULL);
if (FAILED(result))
{
ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
ERR("Creating image surface failed.");
return error(GL_OUT_OF_MEMORY);
}
newTexture->GetSurfaceLevel(levelToFetch, &newSurface);
newTexture->Release();
}
mSurface = newSurface;
mDirty = false;
mD3DPool = poolToUse;
}
HRESULT Image::lock(D3DLOCKED_RECT *lockedRect, const RECT *rect)
{
createSurface();
HRESULT result = D3DERR_INVALIDCALL;
if (mSurface)
{
result = mSurface->LockRect(lockedRect, rect, 0);
ASSERT(SUCCEEDED(result));
mDirty = true;
}
return result;
}
void Image::unlock()
{
if (mSurface)
{
HRESULT result = mSurface->UnlockRect();
ASSERT(SUCCEEDED(result));
}
}
bool Image::isRenderableFormat() const
{
return TextureStorage::IsTextureFormatRenderable(getD3DFormat());
}
GLenum Image::getActualFormat() const
{
return mActualFormat;
}
D3DFORMAT Image::getD3DFormat() const
{
// this should only happen if the image hasn't been redefined first
// which would be a bug by the caller
ASSERT(mD3DFormat != D3DFMT_UNKNOWN);
return mD3DFormat;
}
IDirect3DSurface9 *Image::getSurface()
{
createSurface();
return mSurface;
}
void Image::setManagedSurface(IDirect3DSurface9 *surface)
{
D3DSURFACE_DESC desc;
surface->GetDesc(&desc);
ASSERT(desc.Pool == D3DPOOL_MANAGED);
if ((GLsizei)desc.Width == mWidth && (GLsizei)desc.Height == mHeight)
{
if (mSurface)
{
CopyLockableSurfaces(surface, mSurface);
mSurface->Release();
}
mSurface = surface;
mD3DPool = desc.Pool;
}
}
void Image::updateSurface(IDirect3DSurface9 *destSurface, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height)
{
IDirect3DSurface9 *sourceSurface = getSurface();
if (sourceSurface && sourceSurface != destSurface)
{
RECT rect;
rect.left = xoffset;
rect.top = yoffset;
rect.right = xoffset + width;
rect.bottom = yoffset + height;
POINT point = {rect.left, rect.top};
IDirect3DDevice9 *device = getDisplay()->getRenderer()->getDevice(); // D3D9_REPLACE
if (mD3DPool == D3DPOOL_MANAGED)
{
D3DSURFACE_DESC desc;
sourceSurface->GetDesc(&desc);
IDirect3DSurface9 *surf = 0;
HRESULT result = device->CreateOffscreenPlainSurface(desc.Width, desc.Height, desc.Format, D3DPOOL_SYSTEMMEM, &surf, NULL);
if (SUCCEEDED(result))
{
CopyLockableSurfaces(surf, sourceSurface);
result = device->UpdateSurface(surf, &rect, destSurface, &point);
ASSERT(SUCCEEDED(result));
surf->Release();
}
}
else
{
// UpdateSurface: source must be SYSTEMMEM, dest must be DEFAULT pools
HRESULT result = device->UpdateSurface(sourceSurface, &rect, destSurface, &point);
ASSERT(SUCCEEDED(result));
}
}
}
// Store the pixel rectangle designated by xoffset,yoffset,width,height with pixels stored as format/type at input
// into the target pixel rectangle.
void Image::loadData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
GLint unpackAlignment, const void *input)
{
RECT lockRect =
{
xoffset, yoffset,
xoffset + width, yoffset + height
};
D3DLOCKED_RECT locked;
HRESULT result = lock(&locked, &lockRect);
if (FAILED(result))
{
return;
}
GLsizei inputPitch = ComputePitch(width, mInternalFormat, unpackAlignment);
switch (mInternalFormat)
{
case GL_ALPHA8_EXT:
if (supportsSSE2())
{
loadAlphaDataSSE2(width, height, inputPitch, input, locked.Pitch, locked.pBits);
}
else
{
loadAlphaData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
}
break;
case GL_LUMINANCE8_EXT:
loadLuminanceData(width, height, inputPitch, input, locked.Pitch, locked.pBits, getD3DFormat() == D3DFMT_L8);
break;
case GL_ALPHA32F_EXT:
loadAlphaFloatData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
break;
case GL_LUMINANCE32F_EXT:
loadLuminanceFloatData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
break;
case GL_ALPHA16F_EXT:
loadAlphaHalfFloatData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
break;
case GL_LUMINANCE16F_EXT:
loadLuminanceHalfFloatData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
break;
case GL_LUMINANCE8_ALPHA8_EXT:
loadLuminanceAlphaData(width, height, inputPitch, input, locked.Pitch, locked.pBits, getD3DFormat() == D3DFMT_A8L8);
break;
case GL_LUMINANCE_ALPHA32F_EXT:
loadLuminanceAlphaFloatData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
break;
case GL_LUMINANCE_ALPHA16F_EXT:
loadLuminanceAlphaHalfFloatData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
break;
case GL_RGB8_OES:
loadRGBUByteData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
break;
case GL_RGB565:
loadRGB565Data(width, height, inputPitch, input, locked.Pitch, locked.pBits);
break;
case GL_RGBA8_OES:
if (supportsSSE2())
{
loadRGBAUByteDataSSE2(width, height, inputPitch, input, locked.Pitch, locked.pBits);
}
else
{
loadRGBAUByteData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
}
break;
case GL_RGBA4:
loadRGBA4444Data(width, height, inputPitch, input, locked.Pitch, locked.pBits);
break;
case GL_RGB5_A1:
loadRGBA5551Data(width, height, inputPitch, input, locked.Pitch, locked.pBits);
break;
case GL_BGRA8_EXT:
loadBGRAData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
break;
// float textures are converted to RGBA, not BGRA, as they're stored that way in D3D
case GL_RGB32F_EXT:
loadRGBFloatData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
break;
case GL_RGB16F_EXT:
loadRGBHalfFloatData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
break;
case GL_RGBA32F_EXT:
loadRGBAFloatData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
break;
case GL_RGBA16F_EXT:
loadRGBAHalfFloatData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
break;
default: UNREACHABLE();
}
unlock();
}
void Image::loadAlphaData(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const unsigned char *source = NULL;
unsigned char *dest = NULL;
for (int y = 0; y < height; y++)
{
source = static_cast<const unsigned char*>(input) + y * inputPitch;
dest = static_cast<unsigned char*>(output) + y * outputPitch;
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = 0;
dest[4 * x + 1] = 0;
dest[4 * x + 2] = 0;
dest[4 * x + 3] = source[x];
}
}
}
void Image::loadAlphaFloatData(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const float *source = NULL;
float *dest = NULL;
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch);
dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = 0;
dest[4 * x + 1] = 0;
dest[4 * x + 2] = 0;
dest[4 * x + 3] = source[x];
}
}
}
void Image::loadAlphaHalfFloatData(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const unsigned short *source = NULL;
unsigned short *dest = NULL;
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(output) + y * outputPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = 0;
dest[4 * x + 1] = 0;
dest[4 * x + 2] = 0;
dest[4 * x + 3] = source[x];
}
}
}
void Image::loadLuminanceData(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output, bool native) const
{
const unsigned char *source = NULL;
unsigned char *dest = NULL;
for (int y = 0; y < height; y++)
{
source = static_cast<const unsigned char*>(input) + y * inputPitch;
dest = static_cast<unsigned char*>(output) + y * outputPitch;
if (!native) // BGRA8 destination format
{
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x];
dest[4 * x + 1] = source[x];
dest[4 * x + 2] = source[x];
dest[4 * x + 3] = 0xFF;
}
}
else // L8 destination format
{
memcpy(dest, source, width);
}
}
}
void Image::loadLuminanceFloatData(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const float *source = NULL;
float *dest = NULL;
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch);
dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x];
dest[4 * x + 1] = source[x];
dest[4 * x + 2] = source[x];
dest[4 * x + 3] = 1.0f;
}
}
}
void Image::loadLuminanceHalfFloatData(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const unsigned short *source = NULL;
unsigned short *dest = NULL;
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(output) + y * outputPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x];
dest[4 * x + 1] = source[x];
dest[4 * x + 2] = source[x];
dest[4 * x + 3] = 0x3C00; // SEEEEEMMMMMMMMMM, S = 0, E = 15, M = 0: 16bit flpt representation of 1
}
}
}
void Image::loadLuminanceAlphaData(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output, bool native) const
{
const unsigned char *source = NULL;
unsigned char *dest = NULL;
for (int y = 0; y < height; y++)
{
source = static_cast<const unsigned char*>(input) + y * inputPitch;
dest = static_cast<unsigned char*>(output) + y * outputPitch;
if (!native) // BGRA8 destination format
{
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[2*x+0];
dest[4 * x + 1] = source[2*x+0];
dest[4 * x + 2] = source[2*x+0];
dest[4 * x + 3] = source[2*x+1];
}
}
else
{
memcpy(dest, source, width * 2);
}
}
}
void Image::loadLuminanceAlphaFloatData(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const float *source = NULL;
float *dest = NULL;
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch);
dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[2*x+0];
dest[4 * x + 1] = source[2*x+0];
dest[4 * x + 2] = source[2*x+0];
dest[4 * x + 3] = source[2*x+1];
}
}
}
void Image::loadLuminanceAlphaHalfFloatData(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const unsigned short *source = NULL;
unsigned short *dest = NULL;
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(output) + y * outputPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[2*x+0];
dest[4 * x + 1] = source[2*x+0];
dest[4 * x + 2] = source[2*x+0];
dest[4 * x + 3] = source[2*x+1];
}
}
}
void Image::loadRGBUByteData(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const unsigned char *source = NULL;
unsigned char *dest = NULL;
for (int y = 0; y < height; y++)
{
source = static_cast<const unsigned char*>(input) + y * inputPitch;
dest = static_cast<unsigned char*>(output) + y * outputPitch;
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x * 3 + 2];
dest[4 * x + 1] = source[x * 3 + 1];
dest[4 * x + 2] = source[x * 3 + 0];
dest[4 * x + 3] = 0xFF;
}
}
}
void Image::loadRGB565Data(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const unsigned short *source = NULL;
unsigned char *dest = NULL;
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
dest = static_cast<unsigned char*>(output) + y * outputPitch;
for (int x = 0; x < width; x++)
{
unsigned short rgba = source[x];
dest[4 * x + 0] = ((rgba & 0x001F) << 3) | ((rgba & 0x001F) >> 2);
dest[4 * x + 1] = ((rgba & 0x07E0) >> 3) | ((rgba & 0x07E0) >> 9);
dest[4 * x + 2] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13);
dest[4 * x + 3] = 0xFF;
}
}
}
void Image::loadRGBFloatData(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const float *source = NULL;
float *dest = NULL;
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch);
dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x * 3 + 0];
dest[4 * x + 1] = source[x * 3 + 1];
dest[4 * x + 2] = source[x * 3 + 2];
dest[4 * x + 3] = 1.0f;
}
}
}
void Image::loadRGBHalfFloatData(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const unsigned short *source = NULL;
unsigned short *dest = NULL;
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(output) + y * outputPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x * 3 + 0];
dest[4 * x + 1] = source[x * 3 + 1];
dest[4 * x + 2] = source[x * 3 + 2];
dest[4 * x + 3] = 0x3C00; // SEEEEEMMMMMMMMMM, S = 0, E = 15, M = 0: 16bit flpt representation of 1
}
}
}
void Image::loadRGBAUByteData(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const unsigned int *source = NULL;
unsigned int *dest = NULL;
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned int*>(static_cast<const unsigned char*>(input) + y * inputPitch);
dest = reinterpret_cast<unsigned int*>(static_cast<unsigned char*>(output) + y * outputPitch);
for (int x = 0; x < width; x++)
{
unsigned int rgba = source[x];
dest[x] = (_rotl(rgba, 16) & 0x00ff00ff) | (rgba & 0xff00ff00);
}
}
}
void Image::loadRGBA4444Data(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const unsigned short *source = NULL;
unsigned char *dest = NULL;
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
dest = static_cast<unsigned char*>(output) + y * outputPitch;
for (int x = 0; x < width; x++)
{
unsigned short rgba = source[x];
dest[4 * x + 0] = ((rgba & 0x00F0) << 0) | ((rgba & 0x00F0) >> 4);
dest[4 * x + 1] = ((rgba & 0x0F00) >> 4) | ((rgba & 0x0F00) >> 8);
dest[4 * x + 2] = ((rgba & 0xF000) >> 8) | ((rgba & 0xF000) >> 12);
dest[4 * x + 3] = ((rgba & 0x000F) << 4) | ((rgba & 0x000F) >> 0);
}
}
}
void Image::loadRGBA5551Data(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const unsigned short *source = NULL;
unsigned char *dest = NULL;
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
dest = static_cast<unsigned char*>(output) + y * outputPitch;
for (int x = 0; x < width; x++)
{
unsigned short rgba = source[x];
dest[4 * x + 0] = ((rgba & 0x003E) << 2) | ((rgba & 0x003E) >> 3);
dest[4 * x + 1] = ((rgba & 0x07C0) >> 3) | ((rgba & 0x07C0) >> 8);
dest[4 * x + 2] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13);
dest[4 * x + 3] = (rgba & 0x0001) ? 0xFF : 0;
}
}
}
void Image::loadRGBAFloatData(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const float *source = NULL;
float *dest = NULL;
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch);
dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputPitch);
memcpy(dest, source, width * 16);
}
}
void Image::loadRGBAHalfFloatData(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const unsigned char *source = NULL;
unsigned char *dest = NULL;
for (int y = 0; y < height; y++)
{
source = static_cast<const unsigned char*>(input) + y * inputPitch;
dest = static_cast<unsigned char*>(output) + y * outputPitch;
memcpy(dest, source, width * 8);
}
}
void Image::loadBGRAData(GLsizei width, GLsizei height,
int inputPitch, const void *input, size_t outputPitch, void *output) const
{
const unsigned char *source = NULL;
unsigned char *dest = NULL;
for (int y = 0; y < height; y++)
{
source = static_cast<const unsigned char*>(input) + y * inputPitch;
dest = static_cast<unsigned char*>(output) + y * outputPitch;
memcpy(dest, source, width*4);
}
}
void Image::loadCompressedData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
const void *input) {
ASSERT(xoffset % 4 == 0);
ASSERT(yoffset % 4 == 0);
RECT lockRect = {
xoffset, yoffset,
xoffset + width, yoffset + height
};
D3DLOCKED_RECT locked;
HRESULT result = lock(&locked, &lockRect);
if (FAILED(result))
{
return;
}
GLsizei inputSize = ComputeCompressedSize(width, height, mInternalFormat);
GLsizei inputPitch = ComputeCompressedPitch(width, mInternalFormat);
int rows = inputSize / inputPitch;
for (int i = 0; i < rows; ++i)
{
memcpy((void*)((BYTE*)locked.pBits + i * locked.Pitch), (void*)((BYTE*)input + i * inputPitch), inputPitch);
}
unlock();
}
// This implements glCopyTex[Sub]Image2D for non-renderable internal texture formats and incomplete textures
void Image::copy(GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, IDirect3DSurface9 *renderTarget)
{
IDirect3DDevice9 *device = getDisplay()->getRenderer()->getDevice(); // D3D9_REPLACE
IDirect3DSurface9 *renderTargetData = NULL;
D3DSURFACE_DESC description;
renderTarget->GetDesc(&description);
HRESULT result = device->CreateOffscreenPlainSurface(description.Width, description.Height, description.Format, D3DPOOL_SYSTEMMEM, &renderTargetData, NULL);
if (FAILED(result))
{
ERR("Could not create matching destination surface.");
return error(GL_OUT_OF_MEMORY);
}
result = device->GetRenderTargetData(renderTarget, renderTargetData);
if (FAILED(result))
{
ERR("GetRenderTargetData unexpectedly failed.");
renderTargetData->Release();
return error(GL_OUT_OF_MEMORY);
}
RECT sourceRect = {x, y, x + width, y + height};
RECT destRect = {xoffset, yoffset, xoffset + width, yoffset + height};
D3DLOCKED_RECT sourceLock = {0};
result = renderTargetData->LockRect(&sourceLock, &sourceRect, 0);
if (FAILED(result))
{
ERR("Failed to lock the source surface (rectangle might be invalid).");
renderTargetData->Release();
return error(GL_OUT_OF_MEMORY);
}
D3DLOCKED_RECT destLock = {0};
result = lock(&destLock, &destRect);
if (FAILED(result))
{
ERR("Failed to lock the destination surface (rectangle might be invalid).");
renderTargetData->UnlockRect();
renderTargetData->Release();
return error(GL_OUT_OF_MEMORY);
}
if (destLock.pBits && sourceLock.pBits)
{
unsigned char *source = (unsigned char*)sourceLock.pBits;
unsigned char *dest = (unsigned char*)destLock.pBits;
switch (description.Format)
{
case D3DFMT_X8R8G8B8:
case D3DFMT_A8R8G8B8:
switch(getD3DFormat())
{
case D3DFMT_X8R8G8B8:
case D3DFMT_A8R8G8B8:
for(int y = 0; y < height; y++)
{
memcpy(dest, source, 4 * width);
source += sourceLock.Pitch;
dest += destLock.Pitch;
}
break;
case D3DFMT_L8:
for(int y = 0; y < height; y++)
{
for(int x = 0; x < width; x++)
{
dest[x] = source[x * 4 + 2];
}
source += sourceLock.Pitch;
dest += destLock.Pitch;
}
break;
case D3DFMT_A8L8:
for(int y = 0; y < height; y++)
{
for(int x = 0; x < width; x++)
{
dest[x * 2 + 0] = source[x * 4 + 2];
dest[x * 2 + 1] = source[x * 4 + 3];
}
source += sourceLock.Pitch;
dest += destLock.Pitch;
}
break;
default:
UNREACHABLE();
}
break;
case D3DFMT_R5G6B5:
switch(getD3DFormat())
{
case D3DFMT_X8R8G8B8:
for(int y = 0; y < height; y++)
{
for(int x = 0; x < width; x++)
{
unsigned short rgb = ((unsigned short*)source)[x];
unsigned char red = (rgb & 0xF800) >> 8;
unsigned char green = (rgb & 0x07E0) >> 3;
unsigned char blue = (rgb & 0x001F) << 3;
dest[x + 0] = blue | (blue >> 5);
dest[x + 1] = green | (green >> 6);
dest[x + 2] = red | (red >> 5);
dest[x + 3] = 0xFF;
}
source += sourceLock.Pitch;
dest += destLock.Pitch;
}
break;
case D3DFMT_L8:
for(int y = 0; y < height; y++)
{
for(int x = 0; x < width; x++)
{
unsigned char red = source[x * 2 + 1] & 0xF8;
dest[x] = red | (red >> 5);
}
source += sourceLock.Pitch;
dest += destLock.Pitch;
}
break;
default:
UNREACHABLE();
}
break;
case D3DFMT_A1R5G5B5:
switch(getD3DFormat())
{
case D3DFMT_X8R8G8B8:
for(int y = 0; y < height; y++)
{
for(int x = 0; x < width; x++)
{
unsigned short argb = ((unsigned short*)source)[x];
unsigned char red = (argb & 0x7C00) >> 7;
unsigned char green = (argb & 0x03E0) >> 2;
unsigned char blue = (argb & 0x001F) << 3;
dest[x + 0] = blue | (blue >> 5);
dest[x + 1] = green | (green >> 5);
dest[x + 2] = red | (red >> 5);
dest[x + 3] = 0xFF;
}
source += sourceLock.Pitch;
dest += destLock.Pitch;
}
break;
case D3DFMT_A8R8G8B8:
for(int y = 0; y < height; y++)
{
for(int x = 0; x < width; x++)
{
unsigned short argb = ((unsigned short*)source)[x];
unsigned char red = (argb & 0x7C00) >> 7;
unsigned char green = (argb & 0x03E0) >> 2;
unsigned char blue = (argb & 0x001F) << 3;
unsigned char alpha = (signed short)argb >> 15;
dest[x + 0] = blue | (blue >> 5);
dest[x + 1] = green | (green >> 5);
dest[x + 2] = red | (red >> 5);
dest[x + 3] = alpha;
}
source += sourceLock.Pitch;
dest += destLock.Pitch;
}
break;
case D3DFMT_L8:
for(int y = 0; y < height; y++)
{
for(int x = 0; x < width; x++)
{
unsigned char red = source[x * 2 + 1] & 0x7C;
dest[x] = (red << 1) | (red >> 4);
}
source += sourceLock.Pitch;
dest += destLock.Pitch;
}
break;
case D3DFMT_A8L8:
for(int y = 0; y < height; y++)
{
for(int x = 0; x < width; x++)
{
unsigned char red = source[x * 2 + 1] & 0x7C;
dest[x * 2 + 0] = (red << 1) | (red >> 4);
dest[x * 2 + 1] = (signed char)source[x * 2 + 1] >> 7;
}
source += sourceLock.Pitch;
dest += destLock.Pitch;
}
break;
default:
UNREACHABLE();
}
break;
default:
UNREACHABLE();
}
}
unlock();
renderTargetData->UnlockRect();
renderTargetData->Release();
mDirty = true;
}
}