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chromium / angle / angle.git / refs/heads/chrome_m27 / . / src / libGLESv2 / Texture.cpp
blob: e3e8941d69ca2f47eca68ad1587e4851e1992daa [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.
//
// Texture.cpp: Implements the gl::Texture class and its derived classes
// Texture2D and TextureCubeMap. Implements GL texture objects and related
// functionality. [OpenGL ES 2.0.24] section 3.7 page 63.
#include "libGLESv2/Texture.h"
#include <algorithm>
#include "common/debug.h"
#include "libEGL/Display.h"
#include "libGLESv2/main.h"
#include "libGLESv2/mathutil.h"
#include "libGLESv2/utilities.h"
#include "libGLESv2/Blit.h"
#include "libGLESv2/Framebuffer.h"
namespace gl
{
unsigned int TextureStorage::mCurrentTextureSerial = 1;
static D3DFORMAT ConvertTextureInternalFormat(GLint internalformat)
{
switch (internalformat)
{
case GL_DEPTH_COMPONENT16:
case GL_DEPTH_COMPONENT32_OES:
case GL_DEPTH24_STENCIL8_OES:
return D3DFMT_INTZ;
case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
return D3DFMT_DXT1;
case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE:
return D3DFMT_DXT3;
case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE:
return D3DFMT_DXT5;
case GL_RGBA32F_EXT:
case GL_RGB32F_EXT:
case GL_ALPHA32F_EXT:
case GL_LUMINANCE32F_EXT:
case GL_LUMINANCE_ALPHA32F_EXT:
return D3DFMT_A32B32G32R32F;
case GL_RGBA16F_EXT:
case GL_RGB16F_EXT:
case GL_ALPHA16F_EXT:
case GL_LUMINANCE16F_EXT:
case GL_LUMINANCE_ALPHA16F_EXT:
return D3DFMT_A16B16G16R16F;
case GL_LUMINANCE8_EXT:
if (getContext()->supportsLuminanceTextures())
{
return D3DFMT_L8;
}
break;
case GL_LUMINANCE8_ALPHA8_EXT:
if (getContext()->supportsLuminanceAlphaTextures())
{
return D3DFMT_A8L8;
}
break;
case GL_RGB8_OES:
case GL_RGB565:
return D3DFMT_X8R8G8B8;
}
return D3DFMT_A8R8G8B8;
}
static bool IsTextureFormatRenderable(D3DFORMAT format)
{
if (format == D3DFMT_INTZ)
{
return true;
}
switch(format)
{
case D3DFMT_L8:
case D3DFMT_A8L8:
case D3DFMT_DXT1:
case D3DFMT_DXT3:
case D3DFMT_DXT5:
return false;
case D3DFMT_A8R8G8B8:
case D3DFMT_X8R8G8B8:
case D3DFMT_A16B16G16R16F:
case D3DFMT_A32B32G32R32F:
return true;
default:
UNREACHABLE();
}
return false;
}
static inline DWORD GetTextureUsage(D3DFORMAT d3dfmt, GLenum glusage, bool forceRenderable)
{
DWORD d3dusage = 0;
if (d3dfmt == D3DFMT_INTZ)
{
d3dusage |= D3DUSAGE_DEPTHSTENCIL;
}
else if(forceRenderable || (IsTextureFormatRenderable(d3dfmt) && (glusage == GL_FRAMEBUFFER_ATTACHMENT_ANGLE)))
{
d3dusage |= D3DUSAGE_RENDERTARGET;
}
return d3dusage;
}
static void MakeValidSize(bool isImage, bool isCompressed, GLsizei *requestWidth, GLsizei *requestHeight, int *levelOffset)
{
int upsampleCount = 0;
if (isCompressed)
{
// Don't expand the size of full textures that are at least 4x4
// already.
if (isImage || *requestWidth < 4 || *requestHeight < 4)
{
while (*requestWidth % 4 != 0 || *requestHeight % 4 != 0)
{
*requestWidth <<= 1;
*requestHeight <<= 1;
upsampleCount++;
}
}
}
*levelOffset = upsampleCount;
}
static void 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();
}
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();
}
}
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 = 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);
HRESULT result = getDevice()->CreateTexture(requestWidth, requestHeight, levelToFetch + 1, 0, 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 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};
if (mD3DPool == D3DPOOL_MANAGED)
{
D3DSURFACE_DESC desc;
sourceSurface->GetDesc(&desc);
IDirect3DSurface9 *surf = 0;
HRESULT result = getDevice()->CreateOffscreenPlainSurface(desc.Width, desc.Height, desc.Format, D3DPOOL_SYSTEMMEM, &surf, NULL);
if (SUCCEEDED(result))
{
CopyLockableSurfaces(surf, sourceSurface);
result = getDevice()->UpdateSurface(surf, &rect, destSurface, &point);
ASSERT(SUCCEEDED(result));
surf->Release();
}
}
else
{
// UpdateSurface: source must be SYSTEMMEM, dest must be DEFAULT pools
HRESULT result = getDevice()->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 = getDevice();
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;
}
namespace
{
struct L8
{
unsigned char L;
static void average(L8 *dst, const L8 *src1, const L8 *src2)
{
dst->L = ((src1->L ^ src2->L) >> 1) + (src1->L & src2->L);
}
};
struct A8L8
{
unsigned char L;
unsigned char A;
static void average(A8L8 *dst, const A8L8 *src1, const A8L8 *src2)
{
*(unsigned short*)dst = (((*(unsigned short*)src1 ^ *(unsigned short*)src2) & 0xFEFE) >> 1) + (*(unsigned short*)src1 & *(unsigned short*)src2);
}
};
struct A8R8G8B8
{
unsigned char B;
unsigned char G;
unsigned char R;
unsigned char A;
static void average(A8R8G8B8 *dst, const A8R8G8B8 *src1, const A8R8G8B8 *src2)
{
*(unsigned int*)dst = (((*(unsigned int*)src1 ^ *(unsigned int*)src2) & 0xFEFEFEFE) >> 1) + (*(unsigned int*)src1 & *(unsigned int*)src2);
}
};
struct A16B16G16R16F
{
unsigned short R;
unsigned short G;
unsigned short B;
unsigned short A;
static void average(A16B16G16R16F *dst, const A16B16G16R16F *src1, const A16B16G16R16F *src2)
{
dst->R = float32ToFloat16((float16ToFloat32(src1->R) + float16ToFloat32(src2->R)) * 0.5f);
dst->G = float32ToFloat16((float16ToFloat32(src1->G) + float16ToFloat32(src2->G)) * 0.5f);
dst->B = float32ToFloat16((float16ToFloat32(src1->B) + float16ToFloat32(src2->B)) * 0.5f);
dst->A = float32ToFloat16((float16ToFloat32(src1->A) + float16ToFloat32(src2->A)) * 0.5f);
}
};
struct A32B32G32R32F
{
float R;
float G;
float B;
float A;
static void average(A32B32G32R32F *dst, const A32B32G32R32F *src1, const A32B32G32R32F *src2)
{
dst->R = (src1->R + src2->R) * 0.5f;
dst->G = (src1->G + src2->G) * 0.5f;
dst->B = (src1->B + src2->B) * 0.5f;
dst->A = (src1->A + src2->A) * 0.5f;
}
};
template <typename T>
void GenerateMip(unsigned int sourceWidth, unsigned int sourceHeight,
const unsigned char *sourceData, int sourcePitch,
unsigned char *destData, int destPitch)
{
unsigned int mipWidth = std::max(1U, sourceWidth >> 1);
unsigned int mipHeight = std::max(1U, sourceHeight >> 1);
if (sourceHeight == 1)
{
ASSERT(sourceWidth != 1);
const T *src = (const T*)sourceData;
T *dst = (T*)destData;
for (unsigned int x = 0; x < mipWidth; x++)
{
T::average(&dst[x], &src[x * 2], &src[x * 2 + 1]);
}
}
else if (sourceWidth == 1)
{
ASSERT(sourceHeight != 1);
for (unsigned int y = 0; y < mipHeight; y++)
{
const T *src0 = (const T*)(sourceData + y * 2 * sourcePitch);
const T *src1 = (const T*)(sourceData + y * 2 * sourcePitch + sourcePitch);
T *dst = (T*)(destData + y * destPitch);
T::average(dst, src0, src1);
}
}
else
{
for (unsigned int y = 0; y < mipHeight; y++)
{
const T *src0 = (const T*)(sourceData + y * 2 * sourcePitch);
const T *src1 = (const T*)(sourceData + y * 2 * sourcePitch + sourcePitch);
T *dst = (T*)(destData + y * destPitch);
for (unsigned int x = 0; x < mipWidth; x++)
{
T tmp0;
T tmp1;
T::average(&tmp0, &src0[x * 2], &src0[x * 2 + 1]);
T::average(&tmp1, &src1[x * 2], &src1[x * 2 + 1]);
T::average(&dst[x], &tmp0, &tmp1);
}
}
}
}
void GenerateMip(IDirect3DSurface9 *destSurface, IDirect3DSurface9 *sourceSurface)
{
D3DSURFACE_DESC destDesc;
HRESULT result = destSurface->GetDesc(&destDesc);
ASSERT(SUCCEEDED(result));
D3DSURFACE_DESC sourceDesc;
result = sourceSurface->GetDesc(&sourceDesc);
ASSERT(SUCCEEDED(result));
ASSERT(sourceDesc.Format == destDesc.Format);
ASSERT(sourceDesc.Width == 1 || sourceDesc.Width / 2 == destDesc.Width);
ASSERT(sourceDesc.Height == 1 || sourceDesc.Height / 2 == destDesc.Height);
D3DLOCKED_RECT sourceLocked = {0};
result = sourceSurface->LockRect(&sourceLocked, NULL, D3DLOCK_READONLY);
ASSERT(SUCCEEDED(result));
D3DLOCKED_RECT destLocked = {0};
result = destSurface->LockRect(&destLocked, NULL, 0);
ASSERT(SUCCEEDED(result));
const unsigned char *sourceData = reinterpret_cast<const unsigned char*>(sourceLocked.pBits);
unsigned char *destData = reinterpret_cast<unsigned char*>(destLocked.pBits);
if (sourceData && destData)
{
switch (sourceDesc.Format)
{
case D3DFMT_L8:
GenerateMip<L8>(sourceDesc.Width, sourceDesc.Height, sourceData, sourceLocked.Pitch, destData, destLocked.Pitch);
break;
case D3DFMT_A8L8:
GenerateMip<A8L8>(sourceDesc.Width, sourceDesc.Height, sourceData, sourceLocked.Pitch, destData, destLocked.Pitch);
break;
case D3DFMT_A8R8G8B8:
case D3DFMT_X8R8G8B8:
GenerateMip<A8R8G8B8>(sourceDesc.Width, sourceDesc.Height, sourceData, sourceLocked.Pitch, destData, destLocked.Pitch);
break;
case D3DFMT_A16B16G16R16F:
GenerateMip<A16B16G16R16F>(sourceDesc.Width, sourceDesc.Height, sourceData, sourceLocked.Pitch, destData, destLocked.Pitch);
break;
case D3DFMT_A32B32G32R32F:
GenerateMip<A32B32G32R32F>(sourceDesc.Width, sourceDesc.Height, sourceData, sourceLocked.Pitch, destData, destLocked.Pitch);
break;
default:
UNREACHABLE();
break;
}
destSurface->UnlockRect();
sourceSurface->UnlockRect();
}
}
}
TextureStorage::TextureStorage(DWORD usage)
: mLodOffset(0),
mD3DUsage(usage),
mD3DPool(getDisplay()->getTexturePool(usage)),
mTextureSerial(issueTextureSerial())
{
}
TextureStorage::~TextureStorage()
{
}
bool TextureStorage::isRenderTarget() const
{
return (mD3DUsage & (D3DUSAGE_RENDERTARGET | D3DUSAGE_DEPTHSTENCIL)) != 0;
}
bool TextureStorage::isManaged() const
{
return (mD3DPool == D3DPOOL_MANAGED);
}
D3DPOOL TextureStorage::getPool() const
{
return mD3DPool;
}
DWORD TextureStorage::getUsage() const
{
return mD3DUsage;
}
unsigned int TextureStorage::getTextureSerial() const
{
return mTextureSerial;
}
unsigned int TextureStorage::issueTextureSerial()
{
return mCurrentTextureSerial++;
}
int TextureStorage::getLodOffset() const
{
return mLodOffset;
}
Texture::Texture(GLuint id) : RefCountObject(id)
{
mMinFilter = GL_NEAREST_MIPMAP_LINEAR;
mMagFilter = GL_LINEAR;
mWrapS = GL_REPEAT;
mWrapT = GL_REPEAT;
mDirtyParameters = true;
mUsage = GL_NONE;
mMaxAnisotropy = 1.0f;
mDirtyImages = true;
mImmutable = false;
}
Texture::~Texture()
{
}
// Returns true on successful filter state update (valid enum parameter)
bool Texture::setMinFilter(GLenum filter)
{
switch (filter)
{
case GL_NEAREST:
case GL_LINEAR:
case GL_NEAREST_MIPMAP_NEAREST:
case GL_LINEAR_MIPMAP_NEAREST:
case GL_NEAREST_MIPMAP_LINEAR:
case GL_LINEAR_MIPMAP_LINEAR:
{
if (mMinFilter != filter)
{
mMinFilter = filter;
mDirtyParameters = true;
}
return true;
}
default:
return false;
}
}
// Returns true on successful filter state update (valid enum parameter)
bool Texture::setMagFilter(GLenum filter)
{
switch (filter)
{
case GL_NEAREST:
case GL_LINEAR:
{
if (mMagFilter != filter)
{
mMagFilter = filter;
mDirtyParameters = true;
}
return true;
}
default:
return false;
}
}
// Returns true on successful wrap state update (valid enum parameter)
bool Texture::setWrapS(GLenum wrap)
{
switch (wrap)
{
case GL_REPEAT:
case GL_CLAMP_TO_EDGE:
case GL_MIRRORED_REPEAT:
{
if (mWrapS != wrap)
{
mWrapS = wrap;
mDirtyParameters = true;
}
return true;
}
default:
return false;
}
}
// Returns true on successful wrap state update (valid enum parameter)
bool Texture::setWrapT(GLenum wrap)
{
switch (wrap)
{
case GL_REPEAT:
case GL_CLAMP_TO_EDGE:
case GL_MIRRORED_REPEAT:
{
if (mWrapT != wrap)
{
mWrapT = wrap;
mDirtyParameters = true;
}
return true;
}
default:
return false;
}
}
// Returns true on successful max anisotropy update (valid anisotropy value)
bool Texture::setMaxAnisotropy(float textureMaxAnisotropy, float contextMaxAnisotropy)
{
textureMaxAnisotropy = std::min(textureMaxAnisotropy, contextMaxAnisotropy);
if (textureMaxAnisotropy < 1.0f)
{
return false;
}
if (mMaxAnisotropy != textureMaxAnisotropy)
{
mMaxAnisotropy = textureMaxAnisotropy;
mDirtyParameters = true;
}
return true;
}
// Returns true on successful usage state update (valid enum parameter)
bool Texture::setUsage(GLenum usage)
{
switch (usage)
{
case GL_NONE:
case GL_FRAMEBUFFER_ATTACHMENT_ANGLE:
mUsage = usage;
return true;
default:
return false;
}
}
GLenum Texture::getMinFilter() const
{
return mMinFilter;
}
GLenum Texture::getMagFilter() const
{
return mMagFilter;
}
GLenum Texture::getWrapS() const
{
return mWrapS;
}
GLenum Texture::getWrapT() const
{
return mWrapT;
}
float Texture::getMaxAnisotropy() const
{
return mMaxAnisotropy;
}
GLenum Texture::getUsage() const
{
return mUsage;
}
bool Texture::isMipmapFiltered() const
{
switch (mMinFilter)
{
case GL_NEAREST:
case GL_LINEAR:
return false;
case GL_NEAREST_MIPMAP_NEAREST:
case GL_LINEAR_MIPMAP_NEAREST:
case GL_NEAREST_MIPMAP_LINEAR:
case GL_LINEAR_MIPMAP_LINEAR:
return true;
default: UNREACHABLE();
return false;
}
}
void Texture::setImage(GLint unpackAlignment, const void *pixels, Image *image)
{
if (pixels != NULL)
{
image->loadData(0, 0, image->getWidth(), image->getHeight(), unpackAlignment, pixels);
mDirtyImages = true;
}
}
void Texture::setCompressedImage(GLsizei imageSize, const void *pixels, Image *image)
{
if (pixels != NULL)
{
image->loadCompressedData(0, 0, image->getWidth(), image->getHeight(), pixels);
mDirtyImages = true;
}
}
bool Texture::subImage(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels, Image *image)
{
if (pixels != NULL)
{
image->loadData(xoffset, yoffset, width, height, unpackAlignment, pixels);
mDirtyImages = true;
}
return true;
}
bool Texture::subImageCompressed(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *pixels, Image *image)
{
if (pixels != NULL)
{
image->loadCompressedData(xoffset, yoffset, width, height, pixels);
mDirtyImages = true;
}
return true;
}
IDirect3DBaseTexture9 *Texture::getTexture()
{
if (!isSamplerComplete())
{
return NULL;
}
// ensure the underlying texture is created
if (getStorage(false) == NULL)
{
return NULL;
}
updateTexture();
return getBaseTexture();
}
bool Texture::hasDirtyParameters() const
{
return mDirtyParameters;
}
bool Texture::hasDirtyImages() const
{
return mDirtyImages;
}
void Texture::resetDirty()
{
mDirtyParameters = false;
mDirtyImages = false;
}
unsigned int Texture::getTextureSerial()
{
TextureStorage *texture = getStorage(false);
return texture ? texture->getTextureSerial() : 0;
}
unsigned int Texture::getRenderTargetSerial(GLenum target)
{
TextureStorage *texture = getStorage(true);
return texture ? texture->getRenderTargetSerial(target) : 0;
}
bool Texture::isImmutable() const
{
return mImmutable;
}
int Texture::getLodOffset()
{
TextureStorage *texture = getStorage(false);
return texture ? texture->getLodOffset() : 0;
}
GLint Texture::creationLevels(GLsizei width, GLsizei height) const
{
if ((isPow2(width) && isPow2(height)) || getContext()->supportsNonPower2Texture())
{
return 0; // Maximum number of levels
}
else
{
// OpenGL ES 2.0 without GL_OES_texture_npot does not permit NPOT mipmaps.
return 1;
}
}
GLint Texture::creationLevels(GLsizei size) const
{
return creationLevels(size, size);
}
int Texture::levelCount()
{
return getBaseTexture() ? getBaseTexture()->GetLevelCount() - getLodOffset() : 0;
}
Blit *Texture::getBlitter()
{
Context *context = getContext();
return context->getBlitter();
}
bool Texture::copyToRenderTarget(IDirect3DSurface9 *dest, IDirect3DSurface9 *source, bool fromManaged)
{
if (source && dest)
{
HRESULT result = D3DERR_OUTOFVIDEOMEMORY;
if (fromManaged)
{
D3DSURFACE_DESC desc;
source->GetDesc(&desc);
IDirect3DSurface9 *surf = 0;
result = getDevice()->CreateOffscreenPlainSurface(desc.Width, desc.Height, desc.Format, D3DPOOL_SYSTEMMEM, &surf, NULL);
if (SUCCEEDED(result))
{
CopyLockableSurfaces(surf, source);
result = getDevice()->UpdateSurface(surf, NULL, dest, NULL);
surf->Release();
}
}
else
{
egl::Display *display = getDisplay();
IDirect3DDevice9 *device = display->getDevice();
display->endScene();
result = device->StretchRect(source, NULL, dest, NULL, D3DTEXF_NONE);
}
if (FAILED(result))
{
ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
return false;
}
}
return true;
}
TextureStorage2D::TextureStorage2D(IDirect3DTexture9 *surfaceTexture) : TextureStorage(D3DUSAGE_RENDERTARGET), mRenderTargetSerial(RenderbufferStorage::issueSerial())
{
mTexture = surfaceTexture;
}
TextureStorage2D::TextureStorage2D(int levels, D3DFORMAT format, DWORD usage, int width, int height)
: TextureStorage(usage), mRenderTargetSerial(RenderbufferStorage::issueSerial())
{
mTexture = NULL;
// if the width or height is not positive this should be treated as an incomplete texture
// we handle that here by skipping the d3d texture creation
if (width > 0 && height > 0)
{
IDirect3DDevice9 *device = getDevice();
MakeValidSize(false, dx::IsCompressedFormat(format), &width, &height, &mLodOffset);
HRESULT result = device->CreateTexture(width, height, levels ? levels + mLodOffset : 0, getUsage(), format, getPool(), &mTexture, NULL);
if (FAILED(result))
{
ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
error(GL_OUT_OF_MEMORY);
}
}
}
TextureStorage2D::~TextureStorage2D()
{
if (mTexture)
{
mTexture->Release();
}
}
// Increments refcount on surface.
// caller must Release() the returned surface
IDirect3DSurface9 *TextureStorage2D::getSurfaceLevel(int level, bool dirty)
{
IDirect3DSurface9 *surface = NULL;
if (mTexture)
{
HRESULT result = mTexture->GetSurfaceLevel(level + mLodOffset, &surface);
ASSERT(SUCCEEDED(result));
// With managed textures the driver needs to be informed of updates to the lower mipmap levels
if (level != 0 && isManaged() && dirty)
{
mTexture->AddDirtyRect(NULL);
}
}
return surface;
}
IDirect3DBaseTexture9 *TextureStorage2D::getBaseTexture() const
{
return mTexture;
}
unsigned int TextureStorage2D::getRenderTargetSerial(GLenum target) const
{
return mRenderTargetSerial;
}
Texture2D::Texture2D(GLuint id) : Texture(id)
{
mTexStorage = NULL;
mSurface = NULL;
mColorbufferProxy = NULL;
mProxyRefs = 0;
}
Texture2D::~Texture2D()
{
mColorbufferProxy = NULL;
delete mTexStorage;
mTexStorage = NULL;
if (mSurface)
{
mSurface->setBoundTexture(NULL);
mSurface = NULL;
}
}
// We need to maintain a count of references to renderbuffers acting as
// proxies for this texture, so that we do not attempt to use a pointer
// to a renderbuffer proxy which has been deleted.
void Texture2D::addProxyRef(const Renderbuffer *proxy)
{
mProxyRefs++;
}
void Texture2D::releaseProxy(const Renderbuffer *proxy)
{
if (mProxyRefs > 0)
mProxyRefs--;
if (mProxyRefs == 0)
mColorbufferProxy = NULL;
}
GLenum Texture2D::getTarget() const
{
return GL_TEXTURE_2D;
}
GLsizei Texture2D::getWidth(GLint level) const
{
if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS)
return mImageArray[level].getWidth();
else
return 0;
}
GLsizei Texture2D::getHeight(GLint level) const
{
if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS)
return mImageArray[level].getHeight();
else
return 0;
}
GLenum Texture2D::getInternalFormat(GLint level) const
{
if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS)
return mImageArray[level].getInternalFormat();
else
return GL_NONE;
}
D3DFORMAT Texture2D::getD3DFormat(GLint level) const
{
if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS)
return mImageArray[level].getD3DFormat();
else
return D3DFMT_UNKNOWN;
}
void Texture2D::redefineImage(GLint level, GLint internalformat, GLsizei width, GLsizei height)
{
releaseTexImage();
bool redefined = mImageArray[level].redefine(internalformat, width, height, false);
if (mTexStorage && redefined)
{
for (int i = 0; i < IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++)
{
mImageArray[i].markDirty();
}
delete mTexStorage;
mTexStorage = NULL;
mDirtyImages = true;
}
}
void Texture2D::setImage(GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels)
{
GLint internalformat = ConvertSizedInternalFormat(format, type);
redefineImage(level, internalformat, width, height);
Texture::setImage(unpackAlignment, pixels, &mImageArray[level]);
}
void Texture2D::bindTexImage(egl::Surface *surface)
{
releaseTexImage();
GLint internalformat;
switch(surface->getFormat())
{
case D3DFMT_A8R8G8B8:
internalformat = GL_RGBA8_OES;
break;
case D3DFMT_X8R8G8B8:
internalformat = GL_RGB8_OES;
break;
default:
UNIMPLEMENTED();
return;
}
mImageArray[0].redefine(internalformat, surface->getWidth(), surface->getHeight(), true);
delete mTexStorage;
mTexStorage = new TextureStorage2D(surface->getOffscreenTexture());
mDirtyImages = true;
mSurface = surface;
mSurface->setBoundTexture(this);
}
void Texture2D::releaseTexImage()
{
if (mSurface)
{
mSurface->setBoundTexture(NULL);
mSurface = NULL;
if (mTexStorage)
{
delete mTexStorage;
mTexStorage = NULL;
}
for (int i = 0; i < IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++)
{
mImageArray[i].redefine(GL_RGBA8_OES, 0, 0, true);
}
}
}
void Texture2D::setCompressedImage(GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei imageSize, const void *pixels)
{
// compressed formats don't have separate sized internal formats-- we can just use the compressed format directly
redefineImage(level, format, width, height);
Texture::setCompressedImage(imageSize, pixels, &mImageArray[level]);
}
void Texture2D::commitRect(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height)
{
ASSERT(mImageArray[level].getSurface() != NULL);
if (level < levelCount())
{
IDirect3DSurface9 *destLevel = mTexStorage->getSurfaceLevel(level, true);
if (destLevel)
{
Image *image = &mImageArray[level];
image->updateSurface(destLevel, xoffset, yoffset, width, height);
destLevel->Release();
image->markClean();
}
}
}
void Texture2D::subImage(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels)
{
if (Texture::subImage(xoffset, yoffset, width, height, format, type, unpackAlignment, pixels, &mImageArray[level]))
{
commitRect(level, xoffset, yoffset, width, height);
}
}
void Texture2D::subImageCompressed(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *pixels)
{
if (Texture::subImageCompressed(xoffset, yoffset, width, height, format, imageSize, pixels, &mImageArray[level]))
{
commitRect(level, xoffset, yoffset, width, height);
}
}
void Texture2D::copyImage(GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source)
{
IDirect3DSurface9 *renderTarget = source->getRenderTarget();
if (!renderTarget)
{
ERR("Failed to retrieve the render target.");
return error(GL_OUT_OF_MEMORY);
}
GLint internalformat = ConvertSizedInternalFormat(format, GL_UNSIGNED_BYTE);
redefineImage(level, internalformat, width, height);
if (!mImageArray[level].isRenderableFormat())
{
mImageArray[level].copy(0, 0, x, y, width, height, renderTarget);
mDirtyImages = true;
}
else
{
if (!mTexStorage || !mTexStorage->isRenderTarget())
{
convertToRenderTarget();
}
mImageArray[level].markClean();
if (width != 0 && height != 0 && level < levelCount())
{
RECT sourceRect;
sourceRect.left = x;
sourceRect.right = x + width;
sourceRect.top = y;
sourceRect.bottom = y + height;
IDirect3DSurface9 *dest = mTexStorage->getSurfaceLevel(level, true);
if (dest)
{
getBlitter()->copy(renderTarget, sourceRect, format, 0, 0, dest);
dest->Release();
}
}
}
renderTarget->Release();
}
void Texture2D::copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source)
{
if (xoffset + width > mImageArray[level].getWidth() || yoffset + height > mImageArray[level].getHeight())
{
return error(GL_INVALID_VALUE);
}
IDirect3DSurface9 *renderTarget = source->getRenderTarget();
if (!renderTarget)
{
ERR("Failed to retrieve the render target.");
return error(GL_OUT_OF_MEMORY);
}
if (!mImageArray[level].isRenderableFormat() || (!mTexStorage && !isSamplerComplete()))
{
mImageArray[level].copy(xoffset, yoffset, x, y, width, height, renderTarget);
mDirtyImages = true;
}
else
{
if (!mTexStorage || !mTexStorage->isRenderTarget())
{
convertToRenderTarget();
}
updateTexture();
if (level < levelCount())
{
RECT sourceRect;
sourceRect.left = x;
sourceRect.right = x + width;
sourceRect.top = y;
sourceRect.bottom = y + height;
IDirect3DSurface9 *dest = mTexStorage->getSurfaceLevel(level, true);
if (dest)
{
getBlitter()->copy(renderTarget, sourceRect,
gl::ExtractFormat(mImageArray[0].getInternalFormat()),
xoffset, yoffset, dest);
dest->Release();
}
}
}
renderTarget->Release();
}
void Texture2D::storage(GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height)
{
D3DFORMAT d3dfmt = ConvertTextureInternalFormat(internalformat);
DWORD d3dusage = GetTextureUsage(d3dfmt, mUsage, false);
delete mTexStorage;
mTexStorage = new TextureStorage2D(levels, d3dfmt, d3dusage, width, height);
mImmutable = true;
for (int level = 0; level < levels; level++)
{
mImageArray[level].redefine(internalformat, width, height, true);
width = std::max(1, width >> 1);
height = std::max(1, height >> 1);
}
for (int level = levels; level < IMPLEMENTATION_MAX_TEXTURE_LEVELS; level++)
{
mImageArray[level].redefine(GL_NONE, 0, 0, true);
}
if (mTexStorage->isManaged())
{
int levels = levelCount();
for (int level = 0; level < levels; level++)
{
IDirect3DSurface9 *surface = mTexStorage->getSurfaceLevel(level, false);
mImageArray[level].setManagedSurface(surface);
}
}
}
// Tests for 2D texture sampling completeness. [OpenGL ES 2.0.24] section 3.8.2 page 85.
bool Texture2D::isSamplerComplete() const
{
GLsizei width = mImageArray[0].getWidth();
GLsizei height = mImageArray[0].getHeight();
if (width <= 0 || height <= 0)
{
return false;
}
bool mipmapping = isMipmapFiltered();
if ((IsFloat32Format(getInternalFormat(0)) && !getContext()->supportsFloat32LinearFilter()) ||
(IsFloat16Format(getInternalFormat(0)) && !getContext()->supportsFloat16LinearFilter()))
{
if (mMagFilter != GL_NEAREST || (mMinFilter != GL_NEAREST && mMinFilter != GL_NEAREST_MIPMAP_NEAREST))
{
return false;
}
}
bool npotSupport = getContext()->supportsNonPower2Texture();
if (!npotSupport)
{
if ((getWrapS() != GL_CLAMP_TO_EDGE && !isPow2(width)) ||
(getWrapT() != GL_CLAMP_TO_EDGE && !isPow2(height)))
{
return false;
}
}
if (mipmapping)
{
if (!npotSupport)
{
if (!isPow2(width) || !isPow2(height))
{
return false;
}
}
if (!isMipmapComplete())
{
return false;
}
}
return true;
}
// Tests for 2D texture (mipmap) completeness. [OpenGL ES 2.0.24] section 3.7.10 page 81.
bool Texture2D::isMipmapComplete() const
{
if (isImmutable())
{
return true;
}
GLsizei width = mImageArray[0].getWidth();
GLsizei height = mImageArray[0].getHeight();
if (width <= 0 || height <= 0)
{
return false;
}
int q = log2(std::max(width, height));
for (int level = 1; level <= q; level++)
{
if (mImageArray[level].getInternalFormat() != mImageArray[0].getInternalFormat())
{
return false;
}
if (mImageArray[level].getWidth() != std::max(1, width >> level))
{
return false;
}
if (mImageArray[level].getHeight() != std::max(1, height >> level))
{
return false;
}
}
return true;
}
bool Texture2D::isCompressed(GLint level) const
{
return IsCompressed(getInternalFormat(level));
}
bool Texture2D::isDepth(GLint level) const
{
return IsDepthTexture(getInternalFormat(level));
}
IDirect3DBaseTexture9 *Texture2D::getBaseTexture() const
{
return mTexStorage ? mTexStorage->getBaseTexture() : NULL;
}
// Constructs a Direct3D 9 texture resource from the texture images
void Texture2D::createTexture()
{
GLsizei width = mImageArray[0].getWidth();
GLsizei height = mImageArray[0].getHeight();
if (!(width > 0 && height > 0))
return; // do not attempt to create d3d textures for nonexistant data
GLint levels = creationLevels(width, height);
D3DFORMAT d3dfmt = mImageArray[0].getD3DFormat();
DWORD d3dusage = GetTextureUsage(d3dfmt, mUsage, false);
delete mTexStorage;
mTexStorage = new TextureStorage2D(levels, d3dfmt, d3dusage, width, height);
if (mTexStorage->isManaged())
{
int levels = levelCount();
for (int level = 0; level < levels; level++)
{
IDirect3DSurface9 *surface = mTexStorage->getSurfaceLevel(level, false);
mImageArray[level].setManagedSurface(surface);
}
}
mDirtyImages = true;
}
void Texture2D::updateTexture()
{
bool mipmapping = (isMipmapFiltered() && isMipmapComplete());
int levels = (mipmapping ? levelCount() : 1);
for (int level = 0; level < levels; level++)
{
Image *image = &mImageArray[level];
if (image->isDirty())
{
commitRect(level, 0, 0, mImageArray[level].getWidth(), mImageArray[level].getHeight());
}
}
}
void Texture2D::convertToRenderTarget()
{
TextureStorage2D *newTexStorage = NULL;
if (mImageArray[0].getWidth() != 0 && mImageArray[0].getHeight() != 0)
{
GLsizei width = mImageArray[0].getWidth();
GLsizei height = mImageArray[0].getHeight();
GLint levels = creationLevels(width, height);
D3DFORMAT d3dfmt = mImageArray[0].getD3DFormat();
DWORD d3dusage = GetTextureUsage(d3dfmt, GL_FRAMEBUFFER_ATTACHMENT_ANGLE, true);
newTexStorage = new TextureStorage2D(levels, d3dfmt, d3dusage, width, height);
if (mTexStorage != NULL)
{
int levels = levelCount();
for (int i = 0; i < levels; i++)
{
IDirect3DSurface9 *source = mTexStorage->getSurfaceLevel(i, false);
IDirect3DSurface9 *dest = newTexStorage->getSurfaceLevel(i, true);
if (!copyToRenderTarget(dest, source, mTexStorage->isManaged()))
{
delete newTexStorage;
if (source) source->Release();
if (dest) dest->Release();
return error(GL_OUT_OF_MEMORY);
}
if (source) source->Release();
if (dest) dest->Release();
}
}
}
delete mTexStorage;
mTexStorage = newTexStorage;
mDirtyImages = true;
}
void Texture2D::generateMipmaps()
{
if (!getContext()->supportsNonPower2Texture())
{
if (!isPow2(mImageArray[0].getWidth()) || !isPow2(mImageArray[0].getHeight()))
{
return error(GL_INVALID_OPERATION);
}
}
// Purge array levels 1 through q and reset them to represent the generated mipmap levels.
unsigned int q = log2(std::max(mImageArray[0].getWidth(), mImageArray[0].getHeight()));
for (unsigned int i = 1; i <= q; i++)
{
redefineImage(i, mImageArray[0].getInternalFormat(),
std::max(mImageArray[0].getWidth() >> i, 1),
std::max(mImageArray[0].getHeight() >> i, 1));
}
if (mTexStorage && mTexStorage->isRenderTarget())
{
for (unsigned int i = 1; i <= q; i++)
{
IDirect3DSurface9 *upper = mTexStorage->getSurfaceLevel(i - 1, false);
IDirect3DSurface9 *lower = mTexStorage->getSurfaceLevel(i, true);
if (upper != NULL && lower != NULL)
{
getBlitter()->boxFilter(upper, lower);
}
if (upper != NULL) upper->Release();
if (lower != NULL) lower->Release();
mImageArray[i].markClean();
}
}
else
{
for (unsigned int i = 1; i <= q; i++)
{
if (mImageArray[i].getSurface() == NULL)
{
return error(GL_OUT_OF_MEMORY);
}
GenerateMip(mImageArray[i].getSurface(), mImageArray[i - 1].getSurface());
mImageArray[i].markDirty();
}
}
}
Renderbuffer *Texture2D::getRenderbuffer(GLenum target)
{
if (target != GL_TEXTURE_2D)
{
return error(GL_INVALID_OPERATION, (Renderbuffer *)NULL);
}
if (mColorbufferProxy == NULL)
{
mColorbufferProxy = new Renderbuffer(id(), new RenderbufferTexture2D(this, target));
}
return mColorbufferProxy;
}
// Increments refcount on surface.
// caller must Release() the returned surface
IDirect3DSurface9 *Texture2D::getRenderTarget(GLenum target)
{
ASSERT(target == GL_TEXTURE_2D);
// ensure the underlying texture is created
if (getStorage(true) == NULL)
{
return NULL;
}
updateTexture();
// ensure this is NOT a depth texture
if (isDepth(0))
{
return NULL;
}
return mTexStorage->getSurfaceLevel(0, false);
}
// Increments refcount on surface.
// caller must Release() the returned surface
IDirect3DSurface9 *Texture2D::getDepthStencil(GLenum target)
{
ASSERT(target == GL_TEXTURE_2D);
// ensure the underlying texture is created
if (getStorage(true) == NULL)
{
return NULL;
}
updateTexture();
// ensure this is actually a depth texture
if (!isDepth(0))
{
return NULL;
}
return mTexStorage->getSurfaceLevel(0, false);
}
TextureStorage *Texture2D::getStorage(bool renderTarget)
{
if (!mTexStorage || (renderTarget && !mTexStorage->isRenderTarget()))
{
if (renderTarget)
{
convertToRenderTarget();
}
else
{
createTexture();
}
}
return mTexStorage;
}
TextureStorageCubeMap::TextureStorageCubeMap(int levels, D3DFORMAT format, DWORD usage, int size)
: TextureStorage(usage), mFirstRenderTargetSerial(RenderbufferStorage::issueCubeSerials())
{
mTexture = NULL;
// if the size is not positive this should be treated as an incomplete texture
// we handle that here by skipping the d3d texture creation
if (size > 0)
{
IDirect3DDevice9 *device = getDevice();
int height = size;
MakeValidSize(false, dx::IsCompressedFormat(format), &size, &height, &mLodOffset);
HRESULT result = device->CreateCubeTexture(size, levels ? levels + mLodOffset : 0, getUsage(), format, getPool(), &mTexture, NULL);
if (FAILED(result))
{
ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
error(GL_OUT_OF_MEMORY);
}
}
}
TextureStorageCubeMap::~TextureStorageCubeMap()
{
if (mTexture)
{
mTexture->Release();
}
}
// Increments refcount on surface.
// caller must Release() the returned surface
IDirect3DSurface9 *TextureStorageCubeMap::getCubeMapSurface(GLenum faceTarget, int level, bool dirty)
{
IDirect3DSurface9 *surface = NULL;
if (mTexture)
{
D3DCUBEMAP_FACES face = es2dx::ConvertCubeFace(faceTarget);
HRESULT result = mTexture->GetCubeMapSurface(face, level + mLodOffset, &surface);
ASSERT(SUCCEEDED(result));
// With managed textures the driver needs to be informed of updates to the lower mipmap levels
if (level != 0 && isManaged() && dirty)
{
mTexture->AddDirtyRect(face, NULL);
}
}
return surface;
}
IDirect3DBaseTexture9 *TextureStorageCubeMap::getBaseTexture() const
{
return mTexture;
}
unsigned int TextureStorageCubeMap::getRenderTargetSerial(GLenum target) const
{
return mFirstRenderTargetSerial + TextureCubeMap::faceIndex(target);
}
TextureCubeMap::TextureCubeMap(GLuint id) : Texture(id)
{
mTexStorage = NULL;
for (int i = 0; i < 6; i++)
{
mFaceProxies[i] = NULL;
mFaceProxyRefs[i] = 0;
}
}
TextureCubeMap::~TextureCubeMap()
{
for (int i = 0; i < 6; i++)
{
mFaceProxies[i] = NULL;
}
delete mTexStorage;
mTexStorage = NULL;
}
// We need to maintain a count of references to renderbuffers acting as
// proxies for this texture, so that the texture is not deleted while
// proxy references still exist. If the reference count drops to zero,
// we set our proxy pointer NULL, so that a new attempt at referencing
// will cause recreation.
void TextureCubeMap::addProxyRef(const Renderbuffer *proxy)
{
for (int i = 0; i < 6; i++)
{
if (mFaceProxies[i] == proxy)
mFaceProxyRefs[i]++;
}
}
void TextureCubeMap::releaseProxy(const Renderbuffer *proxy)
{
for (int i = 0; i < 6; i++)
{
if (mFaceProxies[i] == proxy)
{
if (mFaceProxyRefs[i] > 0)
mFaceProxyRefs[i]--;
if (mFaceProxyRefs[i] == 0)
mFaceProxies[i] = NULL;
}
}
}
GLenum TextureCubeMap::getTarget() const
{
return GL_TEXTURE_CUBE_MAP;
}
GLsizei TextureCubeMap::getWidth(GLenum target, GLint level) const
{
if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS)
return mImageArray[faceIndex(target)][level].getWidth();
else
return 0;
}
GLsizei TextureCubeMap::getHeight(GLenum target, GLint level) const
{
if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS)
return mImageArray[faceIndex(target)][level].getHeight();
else
return 0;
}
GLenum TextureCubeMap::getInternalFormat(GLenum target, GLint level) const
{
if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS)
return mImageArray[faceIndex(target)][level].getInternalFormat();
else
return GL_NONE;
}
D3DFORMAT TextureCubeMap::getD3DFormat(GLenum target, GLint level) const
{
if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS)
return mImageArray[faceIndex(target)][level].getD3DFormat();
else
return D3DFMT_UNKNOWN;
}
void TextureCubeMap::setImagePosX(GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels)
{
setImage(0, level, width, height, format, type, unpackAlignment, pixels);
}
void TextureCubeMap::setImageNegX(GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels)
{
setImage(1, level, width, height, format, type, unpackAlignment, pixels);
}
void TextureCubeMap::setImagePosY(GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels)
{
setImage(2, level, width, height, format, type, unpackAlignment, pixels);
}
void TextureCubeMap::setImageNegY(GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels)
{
setImage(3, level, width, height, format, type, unpackAlignment, pixels);
}
void TextureCubeMap::setImagePosZ(GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels)
{
setImage(4, level, width, height, format, type, unpackAlignment, pixels);
}
void TextureCubeMap::setImageNegZ(GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels)
{
setImage(5, level, width, height, format, type, unpackAlignment, pixels);
}
void TextureCubeMap::setCompressedImage(GLenum face, GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei imageSize, const void *pixels)
{
// compressed formats don't have separate sized internal formats-- we can just use the compressed format directly
redefineImage(faceIndex(face), level, format, width, height);
Texture::setCompressedImage(imageSize, pixels, &mImageArray[faceIndex(face)][level]);
}
void TextureCubeMap::commitRect(int face, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height)
{
ASSERT(mImageArray[face][level].getSurface() != NULL);
if (level < levelCount())
{
IDirect3DSurface9 *destLevel = mTexStorage->getCubeMapSurface(GL_TEXTURE_CUBE_MAP_POSITIVE_X + face, level, true);
ASSERT(destLevel != NULL);
if (destLevel != NULL)
{
Image *image = &mImageArray[face][level];
image->updateSurface(destLevel, xoffset, yoffset, width, height);
destLevel->Release();
image->markClean();
}
}
}
void TextureCubeMap::subImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels)
{
if (Texture::subImage(xoffset, yoffset, width, height, format, type, unpackAlignment, pixels, &mImageArray[faceIndex(target)][level]))
{
commitRect(faceIndex(target), level, xoffset, yoffset, width, height);
}
}
void TextureCubeMap::subImageCompressed(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *pixels)
{
if (Texture::subImageCompressed(xoffset, yoffset, width, height, format, imageSize, pixels, &mImageArray[faceIndex(target)][level]))
{
commitRect(faceIndex(target), level, xoffset, yoffset, width, height);
}
}
// Tests for cube map sampling completeness. [OpenGL ES 2.0.24] section 3.8.2 page 86.
bool TextureCubeMap::isSamplerComplete() const
{
int size = mImageArray[0][0].getWidth();
bool mipmapping = isMipmapFiltered();
if ((gl::ExtractType(getInternalFormat(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0)) == GL_FLOAT && !getContext()->supportsFloat32LinearFilter()) ||
(gl::ExtractType(getInternalFormat(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0) == GL_HALF_FLOAT_OES) && !getContext()->supportsFloat16LinearFilter()))
{
if (mMagFilter != GL_NEAREST || (mMinFilter != GL_NEAREST && mMinFilter != GL_NEAREST_MIPMAP_NEAREST))
{
return false;
}
}
if (!isPow2(size) && !getContext()->supportsNonPower2Texture())
{
if (getWrapS() != GL_CLAMP_TO_EDGE || getWrapT() != GL_CLAMP_TO_EDGE || mipmapping)
{
return false;
}
}
if (!mipmapping)
{
if (!isCubeComplete())
{
return false;
}
}
else
{
if (!isMipmapCubeComplete()) // Also tests for isCubeComplete()
{
return false;
}
}
return true;
}
// Tests for cube texture completeness. [OpenGL ES 2.0.24] section 3.7.10 page 81.
bool TextureCubeMap::isCubeComplete() const
{
if (mImageArray[0][0].getWidth() <= 0 || mImageArray[0][0].getHeight() != mImageArray[0][0].getWidth())
{
return false;
}
for (unsigned int face = 1; face < 6; face++)
{
if (mImageArray[face][0].getWidth() != mImageArray[0][0].getWidth() ||
mImageArray[face][0].getWidth() != mImageArray[0][0].getHeight() ||
mImageArray[face][0].getInternalFormat() != mImageArray[0][0].getInternalFormat())
{
return false;
}
}
return true;
}
bool TextureCubeMap::isMipmapCubeComplete() const
{
if (isImmutable())
{
return true;
}
if (!isCubeComplete())
{
return false;
}
GLsizei size = mImageArray[0][0].getWidth();
int q = log2(size);
for (int face = 0; face < 6; face++)
{
for (int level = 1; level <= q; level++)
{
if (mImageArray[face][level].getInternalFormat() != mImageArray[0][0].getInternalFormat())
{
return false;
}
if (mImageArray[face][level].getWidth() != std::max(1, size >> level))
{
return false;
}
}
}
return true;
}
bool TextureCubeMap::isCompressed(GLenum target, GLint level) const
{
return IsCompressed(getInternalFormat(target, level));
}
IDirect3DBaseTexture9 *TextureCubeMap::getBaseTexture() const
{
return mTexStorage ? mTexStorage->getBaseTexture() : NULL;
}
// Constructs a Direct3D 9 texture resource from the texture images, or returns an existing one
void TextureCubeMap::createTexture()
{
GLsizei size = mImageArray[0][0].getWidth();
if (!(size > 0))
return; // do not attempt to create d3d textures for nonexistant data
GLint levels = creationLevels(size);
D3DFORMAT d3dfmt = mImageArray[0][0].getD3DFormat();
DWORD d3dusage = GetTextureUsage(d3dfmt, mUsage, false);
delete mTexStorage;
mTexStorage = new TextureStorageCubeMap(levels, d3dfmt, d3dusage, size);
if (mTexStorage->isManaged())
{
int levels = levelCount();
for (int face = 0; face < 6; face++)
{
for (int level = 0; level < levels; level++)
{
IDirect3DSurface9 *surface = mTexStorage->getCubeMapSurface(GL_TEXTURE_CUBE_MAP_POSITIVE_X + face, level, false);
mImageArray[face][level].setManagedSurface(surface);
}
}
}
mDirtyImages = true;
}
void TextureCubeMap::updateTexture()
{
bool mipmapping = isMipmapFiltered() && isMipmapCubeComplete();
for (int face = 0; face < 6; face++)
{
int levels = (mipmapping ? levelCount() : 1);
for (int level = 0; level < levels; level++)
{
Image *image = &mImageArray[face][level];
if (image->isDirty())
{
commitRect(face, level, 0, 0, image->getWidth(), image->getHeight());
}
}
}
}
void TextureCubeMap::convertToRenderTarget()
{
TextureStorageCubeMap *newTexStorage = NULL;
if (mImageArray[0][0].getWidth() != 0)
{
GLsizei size = mImageArray[0][0].getWidth();
GLint levels = creationLevels(size);
D3DFORMAT d3dfmt = mImageArray[0][0].getD3DFormat();
DWORD d3dusage = GetTextureUsage(d3dfmt, GL_FRAMEBUFFER_ATTACHMENT_ANGLE, true);
newTexStorage = new TextureStorageCubeMap(levels, d3dfmt, d3dusage, size);
if (mTexStorage != NULL)
{
int levels = levelCount();
for (int f = 0; f < 6; f++)
{
for (int i = 0; i < levels; i++)
{
IDirect3DSurface9 *source = mTexStorage->getCubeMapSurface(GL_TEXTURE_CUBE_MAP_POSITIVE_X + f, i, false);
IDirect3DSurface9 *dest = newTexStorage->getCubeMapSurface(GL_TEXTURE_CUBE_MAP_POSITIVE_X + f, i, true);
if (!copyToRenderTarget(dest, source, mTexStorage->isManaged()))
{
delete newTexStorage;
if (source) source->Release();
if (dest) dest->Release();
return error(GL_OUT_OF_MEMORY);
}
if (source) source->Release();
if (dest) dest->Release();
}
}
}
}
delete mTexStorage;
mTexStorage = newTexStorage;
mDirtyImages = true;
}
void TextureCubeMap::setImage(int faceIndex, GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels)
{
GLint internalformat = ConvertSizedInternalFormat(format, type);
redefineImage(faceIndex, level, internalformat, width, height);
Texture::setImage(unpackAlignment, pixels, &mImageArray[faceIndex][level]);
}
unsigned int TextureCubeMap::faceIndex(GLenum face)
{
META_ASSERT(GL_TEXTURE_CUBE_MAP_NEGATIVE_X - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 1);
META_ASSERT(GL_TEXTURE_CUBE_MAP_POSITIVE_Y - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 2);
META_ASSERT(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 3);
META_ASSERT(GL_TEXTURE_CUBE_MAP_POSITIVE_Z - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 4);
META_ASSERT(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 5);
return face - GL_TEXTURE_CUBE_MAP_POSITIVE_X;
}
void TextureCubeMap::redefineImage(int face, GLint level, GLint internalformat, GLsizei width, GLsizei height)
{
bool redefined = mImageArray[face][level].redefine(internalformat, width, height, false);
if (mTexStorage && redefined)
{
for (int i = 0; i < IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++)
{
for (int f = 0; f < 6; f++)
{
mImageArray[f][i].markDirty();
}
}
delete mTexStorage;
mTexStorage = NULL;
mDirtyImages = true;
}
}
void TextureCubeMap::copyImage(GLenum target, GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source)
{
IDirect3DSurface9 *renderTarget = source->getRenderTarget();
if (!renderTarget)
{
ERR("Failed to retrieve the render target.");
return error(GL_OUT_OF_MEMORY);
}
unsigned int faceindex = faceIndex(target);
GLint internalformat = gl::ConvertSizedInternalFormat(format, GL_UNSIGNED_BYTE);
redefineImage(faceindex, level, internalformat, width, height);
if (!mImageArray[faceindex][level].isRenderableFormat())
{
mImageArray[faceindex][level].copy(0, 0, x, y, width, height, renderTarget);
mDirtyImages = true;
}
else
{
if (!mTexStorage || !mTexStorage->isRenderTarget())
{
convertToRenderTarget();
}
mImageArray[faceindex][level].markClean();
ASSERT(width == height);
if (width > 0 && level < levelCount())
{
RECT sourceRect;
sourceRect.left = x;
sourceRect.right = x + width;
sourceRect.top = y;
sourceRect.bottom = y + height;
IDirect3DSurface9 *dest = mTexStorage->getCubeMapSurface(target, level, true);
if (dest)
{
getBlitter()->copy(renderTarget, sourceRect, format, 0, 0, dest);
dest->Release();
}
}
}
renderTarget->Release();
}
void TextureCubeMap::copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source)
{
GLsizei size = mImageArray[faceIndex(target)][level].getWidth();
if (xoffset + width > size || yoffset + height > size)
{
return error(GL_INVALID_VALUE);
}
IDirect3DSurface9 *renderTarget = source->getRenderTarget();
if (!renderTarget)
{
ERR("Failed to retrieve the render target.");
return error(GL_OUT_OF_MEMORY);
}
unsigned int faceindex = faceIndex(target);
if (!mImageArray[faceindex][level].isRenderableFormat() || (!mTexStorage && !isSamplerComplete()))
{
mImageArray[faceindex][level].copy(0, 0, x, y, width, height, renderTarget);
mDirtyImages = true;
}
else
{
if (!mTexStorage || !mTexStorage->isRenderTarget())
{
convertToRenderTarget();
}
updateTexture();
if (level < levelCount())
{
RECT sourceRect;
sourceRect.left = x;
sourceRect.right = x + width;
sourceRect.top = y;
sourceRect.bottom = y + height;
IDirect3DSurface9 *dest = mTexStorage->getCubeMapSurface(target, level, true);
if (dest)
{
getBlitter()->copy(renderTarget, sourceRect, gl::ExtractFormat(mImageArray[0][0].getInternalFormat()), xoffset, yoffset, dest);
dest->Release();
}
}
}
renderTarget->Release();
}
void TextureCubeMap::storage(GLsizei levels, GLenum internalformat, GLsizei size)
{
D3DFORMAT d3dfmt = ConvertTextureInternalFormat(internalformat);
DWORD d3dusage = GetTextureUsage(d3dfmt, mUsage, false);
delete mTexStorage;
mTexStorage = new TextureStorageCubeMap(levels, d3dfmt, d3dusage, size);
mImmutable = true;
for (int level = 0; level < levels; level++)
{
for (int face = 0; face < 6; face++)
{
mImageArray[face][level].redefine(internalformat, size, size, true);
size = std::max(1, size >> 1);
}
}
for (int level = levels; level < IMPLEMENTATION_MAX_TEXTURE_LEVELS; level++)
{
for (int face = 0; face < 6; face++)
{
mImageArray[face][level].redefine(GL_NONE, 0, 0, true);
}
}
if (mTexStorage->isManaged())
{
int levels = levelCount();
for (int face = 0; face < 6; face++)
{
for (int level = 0; level < levels; level++)
{
IDirect3DSurface9 *surface = mTexStorage->getCubeMapSurface(GL_TEXTURE_CUBE_MAP_POSITIVE_X + face, level, false);
mImageArray[face][level].setManagedSurface(surface);
}
}
}
}
void TextureCubeMap::generateMipmaps()
{
if (!isCubeComplete())
{
return error(GL_INVALID_OPERATION);
}
if (!getContext()->supportsNonPower2Texture())
{
if (!isPow2(mImageArray[0][0].getWidth()))
{
return error(GL_INVALID_OPERATION);
}
}
// Purge array levels 1 through q and reset them to represent the generated mipmap levels.
unsigned int q = log2(mImageArray[0][0].getWidth());
for (unsigned int f = 0; f < 6; f++)
{
for (unsigned int i = 1; i <= q; i++)
{
redefineImage(f, i, mImageArray[f][0].getInternalFormat(),
std::max(mImageArray[f][0].getWidth() >> i, 1),
std::max(mImageArray[f][0].getWidth() >> i, 1));
}
}
if (mTexStorage && mTexStorage->isRenderTarget())
{
for (unsigned int f = 0; f < 6; f++)
{
for (unsigned int i = 1; i <= q; i++)
{
IDirect3DSurface9 *upper = mTexStorage->getCubeMapSurface(GL_TEXTURE_CUBE_MAP_POSITIVE_X + f, i - 1, false);
IDirect3DSurface9 *lower = mTexStorage->getCubeMapSurface(GL_TEXTURE_CUBE_MAP_POSITIVE_X + f, i, true);
if (upper != NULL && lower != NULL)
{
getBlitter()->boxFilter(upper, lower);
}
if (upper != NULL) upper->Release();
if (lower != NULL) lower->Release();
mImageArray[f][i].markClean();
}
}
}
else
{
for (unsigned int f = 0; f < 6; f++)
{
for (unsigned int i = 1; i <= q; i++)
{
if (mImageArray[f][i].getSurface() == NULL)
{
return error(GL_OUT_OF_MEMORY);
}
GenerateMip(mImageArray[f][i].getSurface(), mImageArray[f][i - 1].getSurface());
mImageArray[f][i].markDirty();
}
}
}
}
Renderbuffer *TextureCubeMap::getRenderbuffer(GLenum target)
{
if (!IsCubemapTextureTarget(target))
{
return error(GL_INVALID_OPERATION, (Renderbuffer *)NULL);
}
unsigned int face = faceIndex(target);
if (mFaceProxies[face] == NULL)
{
mFaceProxies[face] = new Renderbuffer(id(), new RenderbufferTextureCubeMap(this, target));
}
return mFaceProxies[face];
}
// Increments refcount on surface.
// caller must Release() the returned surface
IDirect3DSurface9 *TextureCubeMap::getRenderTarget(GLenum target)
{
ASSERT(IsCubemapTextureTarget(target));
// ensure the underlying texture is created
if (getStorage(true) == NULL)
{
return NULL;
}
updateTexture();
return mTexStorage->getCubeMapSurface(target, 0, false);
}
TextureStorage *TextureCubeMap::getStorage(bool renderTarget)
{
if (!mTexStorage || (renderTarget && !mTexStorage->isRenderTarget()))
{
if (renderTarget)
{
convertToRenderTarget();
}
else
{
createTexture();
}
}
return mTexStorage;
}
}