Moves Image class to its own file in the Renderer's directory.
TRAC #21909
Author: Shannon Woods
Signed-off-by: Daniel Koch
git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1362 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/renderer/Image.cpp b/src/libGLESv2/renderer/Image.cpp
new file mode 100644
index 0000000..a0ebd32
--- /dev/null
+++ b/src/libGLESv2/renderer/Image.cpp
@@ -0,0 +1,975 @@
+//
+// 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;
+}
+
+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 = Texture::ConvertTextureInternalFormat(internalformat);
+
+ 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 Texture::IsTextureFormatRenderable(getD3DFormat());
+}
+
+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;
+}
+
+}
\ No newline at end of file