| // |
| // Copyright (c) 2002-2010 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 "Texture.h" |
| |
| #include <algorithm> |
| |
| #include "main.h" |
| #include "mathutil.h" |
| #include "common/debug.h" |
| #include "utilities.h" |
| #include "Blit.h" |
| |
| namespace gl |
| { |
| |
| Texture::Image::Image() |
| : width(0), height(0), dirty(false), surface(NULL) |
| { |
| } |
| |
| Texture::Image::~Image() |
| { |
| if (surface) surface->Release(); |
| } |
| |
| Texture::Texture(Context *context) : Colorbuffer(0), mContext(context) |
| { |
| mMinFilter = GL_NEAREST_MIPMAP_LINEAR; |
| mMagFilter = GL_LINEAR; |
| mWrapS = GL_REPEAT; |
| mWrapT = GL_REPEAT; |
| |
| mDirtyMetaData = true; |
| } |
| |
| Texture::~Texture() |
| { |
| } |
| |
| Blit *Texture::getBlitter() |
| { |
| return mContext->getBlitter(); |
| } |
| |
| // 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: |
| mMinFilter = filter; |
| 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: |
| mMagFilter = filter; |
| 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: |
| mWrapS = wrap; |
| 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: |
| mWrapT = wrap; |
| 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; |
| } |
| |
| // Selects an internal Direct3D 9 format for storing an Image |
| D3DFORMAT Texture::selectFormat(GLenum format) |
| { |
| return D3DFMT_A8R8G8B8; |
| } |
| |
| // Returns the size, in bytes, of a single texel in an Image |
| int Texture::pixelSize(GLenum format, GLenum type) |
| { |
| switch (type) |
| { |
| case GL_UNSIGNED_BYTE: |
| switch (format) |
| { |
| case GL_ALPHA: return sizeof(unsigned char); |
| case GL_LUMINANCE: return sizeof(unsigned char); |
| case GL_LUMINANCE_ALPHA: return sizeof(unsigned char) * 2; |
| case GL_RGB: return sizeof(unsigned char) * 3; |
| case GL_RGBA: return sizeof(unsigned char) * 4; |
| default: UNREACHABLE(); |
| } |
| break; |
| case GL_UNSIGNED_SHORT_4_4_4_4: |
| case GL_UNSIGNED_SHORT_5_5_5_1: |
| case GL_UNSIGNED_SHORT_5_6_5: |
| return sizeof(unsigned short); |
| default: UNREACHABLE(); |
| } |
| |
| return 0; |
| } |
| |
| int Texture::imagePitch(const Image &img) const |
| { |
| return img.width * 4; |
| } |
| |
| GLsizei Texture::computePitch(GLsizei width, GLenum format, GLenum type, GLint alignment) const |
| { |
| ASSERT(alignment > 0 && isPow2(alignment)); |
| |
| GLsizei rawPitch = pixelSize(format, type) * width; |
| return (rawPitch + alignment - 1) & ~(alignment - 1); |
| } |
| |
| // Store the pixel rectangle designated by xoffset,yoffset,width,height with pixels stored as format/type at input |
| // into the BGRA8 pixel rectangle at output with outputPitch bytes in between each line. |
| void Texture::loadImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, |
| GLint unpackAlignment, const void *input, size_t outputPitch, void *output) const |
| { |
| GLsizei inputPitch = computePitch(width, format, type, unpackAlignment); |
| |
| for (int y = 0; y < height; y++) |
| { |
| const unsigned char *source = static_cast<const unsigned char*>(input) + y * inputPitch; |
| const unsigned short *source16 = reinterpret_cast<const unsigned short*>(source); |
| unsigned char *dest = static_cast<unsigned char*>(output) + (y + yoffset) * outputPitch + xoffset * 4; |
| |
| for (int x = 0; x < width; x++) |
| { |
| unsigned char r; |
| unsigned char g; |
| unsigned char b; |
| unsigned char a; |
| |
| switch (format) |
| { |
| case GL_ALPHA: |
| a = source[x]; |
| r = 0; |
| g = 0; |
| b = 0; |
| break; |
| |
| case GL_LUMINANCE: |
| r = source[x]; |
| g = source[x]; |
| b = source[x]; |
| a = 0xFF; |
| break; |
| |
| case GL_LUMINANCE_ALPHA: |
| r = source[2*x+0]; |
| g = source[2*x+0]; |
| b = source[2*x+0]; |
| a = source[2*x+1]; |
| break; |
| |
| case GL_RGB: |
| switch (type) |
| { |
| case GL_UNSIGNED_BYTE: |
| r = source[x * 3 + 0]; |
| g = source[x * 3 + 1]; |
| b = source[x * 3 + 2]; |
| a = 0xFF; |
| break; |
| |
| case GL_UNSIGNED_SHORT_5_6_5: |
| { |
| unsigned short rgba = source16[x]; |
| |
| a = 0xFF; |
| b = ((rgba & 0x001F) << 3) | ((rgba & 0x001F) >> 2); |
| g = ((rgba & 0x07E0) >> 3) | ((rgba & 0x07E0) >> 9); |
| r = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13); |
| } |
| break; |
| |
| default: UNREACHABLE(); |
| } |
| break; |
| |
| case GL_RGBA: |
| switch (type) |
| { |
| case GL_UNSIGNED_BYTE: |
| r = source[x * 4 + 0]; |
| g = source[x * 4 + 1]; |
| b = source[x * 4 + 2]; |
| a = source[x * 4 + 3]; |
| break; |
| |
| case GL_UNSIGNED_SHORT_4_4_4_4: |
| { |
| unsigned short rgba = source16[x]; |
| |
| a = ((rgba & 0x000F) << 4) | ((rgba & 0x000F) >> 0); |
| b = ((rgba & 0x00F0) << 0) | ((rgba & 0x00F0) >> 4); |
| g = ((rgba & 0x0F00) >> 4) | ((rgba & 0x0F00) >> 8); |
| r = ((rgba & 0xF000) >> 8) | ((rgba & 0xF000) >> 12); |
| } |
| break; |
| |
| case GL_UNSIGNED_SHORT_5_5_5_1: |
| { |
| unsigned short rgba = source16[x]; |
| |
| a = (rgba & 0x0001) ? 0xFF : 0; |
| b = ((rgba & 0x003E) << 2) | ((rgba & 0x003E) >> 3); |
| g = ((rgba & 0x07C0) >> 3) | ((rgba & 0x07C0) >> 8); |
| r = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13); |
| } |
| break; |
| |
| default: UNREACHABLE(); |
| } |
| break; |
| default: UNREACHABLE(); |
| } |
| |
| dest[4 * x + 0] = b; |
| dest[4 * x + 1] = g; |
| dest[4 * x + 2] = r; |
| dest[4 * x + 3] = a; |
| } |
| } |
| } |
| |
| void Texture::setImage(GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels, Image *img) |
| { |
| IDirect3DSurface9 *newSurface = NULL; |
| |
| if (width != 0 && height != 0) |
| { |
| HRESULT result = getDevice()->CreateOffscreenPlainSurface(width, height, selectFormat(format), D3DPOOL_SYSTEMMEM, &newSurface, NULL); |
| |
| if (FAILED(result)) |
| { |
| ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY); |
| return error(GL_OUT_OF_MEMORY); |
| } |
| } |
| |
| if (img->surface) img->surface->Release(); |
| img->surface = newSurface; |
| |
| img->width = width; |
| img->height = height; |
| img->format = format; |
| |
| if (pixels != NULL && newSurface != NULL) |
| { |
| D3DLOCKED_RECT locked; |
| HRESULT result = newSurface->LockRect(&locked, NULL, 0); |
| |
| ASSERT(SUCCEEDED(result)); |
| |
| if (SUCCEEDED(result)) |
| { |
| loadImageData(0, 0, width, height, format, type, unpackAlignment, pixels, locked.Pitch, locked.pBits); |
| newSurface->UnlockRect(); |
| } |
| |
| img->dirty = true; |
| } |
| |
| mDirtyMetaData = true; |
| } |
| |
| void Texture::subImage(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels, Image *img) |
| { |
| if (width + xoffset > img->width || height + yoffset > img->height) return error(GL_INVALID_VALUE); |
| |
| D3DLOCKED_RECT locked; |
| HRESULT result = img->surface->LockRect(&locked, NULL, 0); |
| |
| ASSERT(SUCCEEDED(result)); |
| |
| if (SUCCEEDED(result)) |
| { |
| loadImageData(xoffset, yoffset, width, height, format, type, unpackAlignment, pixels, locked.Pitch, locked.pBits); |
| img->surface->UnlockRect(); |
| } |
| |
| img->dirty = true; |
| } |
| |
| IDirect3DBaseTexture9 *Texture::getTexture() |
| { |
| if (!isComplete()) |
| { |
| return NULL; |
| } |
| |
| if (mDirtyMetaData) |
| { |
| mBaseTexture = createTexture(); |
| } |
| |
| if (mDirtyMetaData || dirtyImageData()) |
| { |
| updateTexture(); |
| } |
| |
| mDirtyMetaData = false; |
| ASSERT(!dirtyImageData()); |
| |
| return mBaseTexture; |
| } |
| |
| // Returns the top-level texture surface as a render target |
| IDirect3DSurface9 *Texture::getRenderTarget(GLenum target) |
| { |
| if (mDirtyMetaData && mRenderTarget) |
| { |
| mRenderTarget->Release(); |
| mRenderTarget = NULL; |
| } |
| |
| if (!mRenderTarget) |
| { |
| mBaseTexture = convertToRenderTarget(); |
| mRenderTarget = getSurface(target); |
| } |
| |
| if (dirtyImageData()) |
| { |
| updateTexture(); |
| } |
| |
| mDirtyMetaData = false; |
| |
| return mRenderTarget; |
| } |
| |
| void Texture::dropTexture() |
| { |
| if (mRenderTarget) |
| { |
| mRenderTarget->Release(); |
| mRenderTarget = NULL; |
| } |
| |
| if (mBaseTexture) |
| { |
| mBaseTexture = NULL; |
| } |
| } |
| |
| void Texture::pushTexture(IDirect3DBaseTexture9 *newTexture) |
| { |
| mBaseTexture = newTexture; |
| mDirtyMetaData = false; |
| } |
| |
| |
| Texture2D::Texture2D(Context *context) : Texture(context) |
| { |
| mTexture = NULL; |
| } |
| |
| Texture2D::~Texture2D() |
| { |
| if (mTexture) |
| { |
| mTexture->Release(); |
| mTexture = NULL; |
| } |
| } |
| |
| GLenum Texture2D::getTarget() const |
| { |
| return GL_TEXTURE_2D; |
| } |
| |
| // While OpenGL doesn't check texture consistency until draw-time, D3D9 requires a complete texture |
| // for render-to-texture (such as CopyTexImage). We have no way of keeping individual inconsistent levels. |
| // Call this when a particular level of the texture must be defined with a specific format, width and height. |
| // |
| // Returns true if the existing texture was unsuitable had to be destroyed. If so, it will also set |
| // a new height and width for the texture by working backwards from the given width and height. |
| bool Texture2D::redefineTexture(GLint level, GLenum internalFormat, GLsizei width, GLsizei height) |
| { |
| bool widthOkay = (mWidth >> level == width); |
| bool heightOkay = (mHeight >> level == height); |
| |
| bool sizeOkay = ((widthOkay && heightOkay) |
| || (widthOkay && mHeight >> level == 0 && height == 1) |
| || (heightOkay && mWidth >> level == 0 && width == 1)); |
| |
| bool textureOkay = (sizeOkay && internalFormat == mImageArray[0].format); |
| |
| if (!textureOkay) |
| { |
| TRACE("Redefining 2D texture (%d, 0x%04X, %d, %d => 0x%04X, %d, %d).", level, |
| mImageArray[0].format, mWidth, mHeight, |
| internalFormat, width, height); |
| |
| // Purge all the levels and the texture. |
| |
| for (int i = 0; i < MAX_TEXTURE_LEVELS; i++) |
| { |
| if (mImageArray[i].surface != NULL) |
| { |
| mImageArray[i].dirty = false; |
| |
| mImageArray[i].surface->Release(); |
| mImageArray[i].surface = NULL; |
| } |
| } |
| |
| if (mTexture != NULL) |
| { |
| mTexture->Release(); |
| mTexture = NULL; |
| dropTexture(); |
| } |
| |
| mWidth = width << level; |
| mHeight = height << level; |
| mImageArray[0].format = internalFormat; |
| } |
| |
| return !textureOkay; |
| } |
| |
| void Texture2D::setImage(GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels) |
| { |
| redefineTexture(level, internalFormat, width, height); |
| |
| Texture::setImage(width, height, format, type, unpackAlignment, pixels, &mImageArray[level]); |
| } |
| |
| void Texture2D::commitRect(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height) |
| { |
| ASSERT(mImageArray[level].surface != NULL); |
| |
| if (mTexture != NULL) |
| { |
| IDirect3DSurface9 *destLevel = NULL; |
| HRESULT result = mTexture->GetSurfaceLevel(level, &destLevel); |
| |
| ASSERT(SUCCEEDED(result)); |
| |
| if (SUCCEEDED(result)) |
| { |
| Image *img = &mImageArray[level]; |
| |
| RECT sourceRect; |
| sourceRect.left = xoffset; |
| sourceRect.top = yoffset; |
| sourceRect.right = xoffset + width; |
| sourceRect.bottom = yoffset + height; |
| |
| POINT destPoint; |
| destPoint.x = xoffset; |
| destPoint.y = yoffset; |
| |
| result = getDevice()->UpdateSurface(img->surface, &sourceRect, destLevel, &destPoint); |
| ASSERT(SUCCEEDED(result)); |
| |
| destLevel->Release(); |
| |
| img->dirty = false; |
| } |
| } |
| } |
| |
| void Texture2D::subImage(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels) |
| { |
| Texture::subImage(xoffset, yoffset, width, height, format, type, unpackAlignment, pixels, &mImageArray[level]); |
| commitRect(level, xoffset, yoffset, width, height); |
| } |
| |
| void Texture2D::copyImage(GLint level, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height, Renderbuffer *source) |
| { |
| if (redefineTexture(level, internalFormat, width, height)) |
| { |
| convertToRenderTarget(); |
| pushTexture(mTexture); |
| } |
| |
| if (width != 0 && height != 0) |
| { |
| RECT sourceRect; |
| sourceRect.left = x; |
| sourceRect.top = y + height; |
| sourceRect.right = x + width; |
| sourceRect.bottom = y; |
| |
| IDirect3DSurface9 *dest; |
| HRESULT hr = mTexture->GetSurfaceLevel(level, &dest); |
| |
| getBlitter()->formatConvert(source->getRenderTarget(), sourceRect, internalFormat, 0, 0, dest); |
| dest->Release(); |
| } |
| |
| mImageArray[level].width = width; |
| mImageArray[level].height = height; |
| mImageArray[level].format = internalFormat; |
| } |
| |
| void Texture2D::copySubImage(GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, Renderbuffer *source) |
| { |
| if (xoffset + width > mImageArray[level].width || yoffset + height > mImageArray[level].height) |
| { |
| return error(GL_INVALID_VALUE); |
| } |
| |
| if (redefineTexture(0, mImageArray[0].format, mImageArray[0].width, mImageArray[0].height)) |
| { |
| convertToRenderTarget(); |
| pushTexture(mTexture); |
| } |
| else |
| { |
| getRenderTarget(GL_TEXTURE_2D); |
| } |
| |
| RECT sourceRect; |
| sourceRect.left = x; |
| sourceRect.top = y + height; |
| sourceRect.right = x + width; |
| sourceRect.bottom = y; |
| |
| IDirect3DSurface9 *dest; |
| HRESULT hr = mTexture->GetSurfaceLevel(level, &dest); |
| |
| getBlitter()->formatConvert(source->getRenderTarget(), sourceRect, mImageArray[0].format, xoffset, yoffset, dest); |
| dest->Release(); |
| } |
| |
| // Tests for GL texture object completeness. [OpenGL ES 2.0.24] section 3.7.10 page 81. |
| bool Texture2D::isComplete() const |
| { |
| ASSERT(mWidth == mImageArray[0].width && mHeight == mImageArray[0].height); |
| |
| if (mWidth <= 0 || mHeight <= 0) |
| { |
| return false; |
| } |
| |
| bool mipmapping; |
| |
| switch (mMinFilter) |
| { |
| case GL_NEAREST: |
| case GL_LINEAR: |
| mipmapping = false; |
| break; |
| case GL_NEAREST_MIPMAP_NEAREST: |
| case GL_LINEAR_MIPMAP_NEAREST: |
| case GL_NEAREST_MIPMAP_LINEAR: |
| case GL_LINEAR_MIPMAP_LINEAR: |
| mipmapping = true; |
| break; |
| default: UNREACHABLE(); |
| } |
| |
| if (mipmapping) |
| { |
| int q = log2(std::max(mWidth, mHeight)); |
| |
| for (int level = 1; level <= q; level++) |
| { |
| if (mImageArray[level].format != mImageArray[0].format) |
| { |
| return false; |
| } |
| |
| if (mImageArray[level].width != (mImageArray[level - 1].width + 1) / 2) |
| { |
| return false; |
| } |
| |
| if (mImageArray[level].height != (mImageArray[level - 1].height + 1) / 2) |
| { |
| return false; |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| // Constructs a Direct3D 9 texture resource from the texture images, or returns an existing one |
| IDirect3DBaseTexture9 *Texture2D::createTexture() |
| { |
| IDirect3DTexture9 *texture; |
| |
| IDirect3DDevice9 *device = getDevice(); |
| D3DFORMAT format = selectFormat(mImageArray[0].format); |
| |
| HRESULT result = device->CreateTexture(mWidth, mHeight, 0, 0, format, D3DPOOL_DEFAULT, &texture, NULL); |
| |
| if (FAILED(result)) |
| { |
| ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY); |
| return error(GL_OUT_OF_MEMORY, (IDirect3DBaseTexture9*)NULL); |
| } |
| |
| if (mTexture) mTexture->Release(); |
| mTexture = texture; |
| return texture; |
| } |
| |
| void Texture2D::updateTexture() |
| { |
| IDirect3DDevice9 *device = getDevice(); |
| |
| int levelCount = mTexture->GetLevelCount(); |
| |
| for (int level = 0; level < levelCount; level++) |
| { |
| if (mImageArray[level].dirty) |
| { |
| IDirect3DSurface9 *levelSurface = NULL; |
| HRESULT result = mTexture->GetSurfaceLevel(level, &levelSurface); |
| |
| ASSERT(SUCCEEDED(result)); |
| |
| if (SUCCEEDED(result)) |
| { |
| result = device->UpdateSurface(mImageArray[level].surface, NULL, levelSurface, NULL); |
| ASSERT(SUCCEEDED(result)); |
| |
| levelSurface->Release(); |
| |
| mImageArray[level].dirty = false; |
| } |
| } |
| } |
| } |
| |
| IDirect3DBaseTexture9 *Texture2D::convertToRenderTarget() |
| { |
| IDirect3DTexture9 *texture = NULL; |
| |
| if (mWidth != 0 && mHeight != 0) |
| { |
| IDirect3DDevice9 *device = getDevice(); |
| D3DFORMAT format = selectFormat(mImageArray[0].format); |
| |
| HRESULT result = device->CreateTexture(mWidth, mHeight, 0, D3DUSAGE_RENDERTARGET, format, D3DPOOL_DEFAULT, &texture, NULL); |
| |
| if (FAILED(result)) |
| { |
| ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY); |
| return error(GL_OUT_OF_MEMORY, (IDirect3DBaseTexture9*)NULL); |
| } |
| |
| if (mTexture != NULL) |
| { |
| int levels = texture->GetLevelCount(); |
| for (int i = 0; i < levels; i++) |
| { |
| IDirect3DSurface9 *source; |
| result = mTexture->GetSurfaceLevel(i, &source); |
| |
| if (FAILED(result)) |
| { |
| ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY); |
| |
| texture->Release(); |
| |
| return error(GL_OUT_OF_MEMORY, (IDirect3DBaseTexture9*)NULL); |
| } |
| |
| IDirect3DSurface9 *dest; |
| result = texture->GetSurfaceLevel(i, &dest); |
| |
| if (FAILED(result)) |
| { |
| ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY); |
| |
| texture->Release(); |
| source->Release(); |
| |
| return error(GL_OUT_OF_MEMORY, (IDirect3DBaseTexture9*)NULL); |
| } |
| |
| result = device->StretchRect(source, NULL, dest, NULL, D3DTEXF_NONE); |
| |
| if (FAILED(result)) |
| { |
| ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY); |
| |
| texture->Release(); |
| source->Release(); |
| dest->Release(); |
| |
| return error(GL_OUT_OF_MEMORY, (IDirect3DBaseTexture9*)NULL); |
| } |
| |
| source->Release(); |
| dest->Release(); |
| } |
| } |
| } |
| |
| if (mTexture != NULL) |
| { |
| mTexture->Release(); |
| } |
| |
| mTexture = texture; |
| return mTexture; |
| } |
| |
| IDirect3DSurface9 *Texture2D::getSurface(GLenum target) |
| { |
| ASSERT(target == GL_TEXTURE_2D); |
| |
| IDirect3DSurface9 *surface = NULL; |
| HRESULT result = mTexture->GetSurfaceLevel(0, &surface); |
| |
| ASSERT(SUCCEEDED(result)); |
| |
| return surface; |
| } |
| |
| bool Texture2D::dirtyImageData() const |
| { |
| int q = log2(std::max(mWidth, mHeight)); |
| |
| for (int i = 0; i <= q; i++) |
| { |
| if (mImageArray[i].dirty) return true; |
| } |
| |
| return false; |
| } |
| |
| TextureCubeMap::TextureCubeMap(Context *context) : Texture(context) |
| { |
| mTexture = NULL; |
| } |
| |
| TextureCubeMap::~TextureCubeMap() |
| { |
| if (mTexture) |
| { |
| mTexture->Release(); |
| mTexture = NULL; |
| } |
| } |
| |
| GLenum TextureCubeMap::getTarget() const |
| { |
| return GL_TEXTURE_CUBE_MAP; |
| } |
| |
| void TextureCubeMap::setImagePosX(GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels) |
| { |
| setImage(0, level, internalFormat, width, height, format, type, unpackAlignment, pixels); |
| } |
| |
| void TextureCubeMap::setImageNegX(GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels) |
| { |
| setImage(1, level, internalFormat, width, height, format, type, unpackAlignment, pixels); |
| } |
| |
| void TextureCubeMap::setImagePosY(GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels) |
| { |
| setImage(2, level, internalFormat, width, height, format, type, unpackAlignment, pixels); |
| } |
| |
| void TextureCubeMap::setImageNegY(GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels) |
| { |
| setImage(3, level, internalFormat, width, height, format, type, unpackAlignment, pixels); |
| } |
| |
| void TextureCubeMap::setImagePosZ(GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels) |
| { |
| setImage(4, level, internalFormat, width, height, format, type, unpackAlignment, pixels); |
| } |
| |
| void TextureCubeMap::setImageNegZ(GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels) |
| { |
| setImage(5, level, internalFormat, width, height, format, type, unpackAlignment, pixels); |
| } |
| |
| void TextureCubeMap::commitRect(GLenum faceTarget, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height) |
| { |
| int face = faceIndex(faceTarget); |
| |
| ASSERT(mImageArray[face][level].surface != NULL); |
| |
| if (mTexture != NULL) |
| { |
| IDirect3DSurface9 *destLevel = getCubeMapSurface(face, level); |
| ASSERT(destLevel != NULL); |
| |
| if (destLevel != NULL) |
| { |
| Image *img = &mImageArray[face][level]; |
| |
| RECT sourceRect; |
| sourceRect.left = xoffset; |
| sourceRect.top = yoffset; |
| sourceRect.right = xoffset + width; |
| sourceRect.bottom = yoffset + height; |
| |
| POINT destPoint; |
| destPoint.x = xoffset; |
| destPoint.y = yoffset; |
| |
| HRESULT result = getDevice()->UpdateSurface(img->surface, &sourceRect, destLevel, &destPoint); |
| ASSERT(SUCCEEDED(result)); |
| |
| destLevel->Release(); |
| |
| img->dirty = false; |
| } |
| } |
| } |
| |
| void TextureCubeMap::subImage(GLenum face, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels) |
| { |
| Texture::subImage(xoffset, yoffset, width, height, format, type, unpackAlignment, pixels, &mImageArray[faceIndex(face)][level]); |
| commitRect(face, level, xoffset, yoffset, width, height); |
| } |
| |
| // Tests for GL texture object completeness. [OpenGL ES 2.0.24] section 3.7.10 page 81. |
| bool TextureCubeMap::isComplete() const |
| { |
| if (mWidth <= 0 || mHeight <= 0 || mWidth != mHeight) |
| { |
| return false; |
| } |
| |
| bool mipmapping; |
| |
| switch (mMinFilter) |
| { |
| case GL_NEAREST: |
| case GL_LINEAR: |
| mipmapping = false; |
| break; |
| case GL_NEAREST_MIPMAP_NEAREST: |
| case GL_LINEAR_MIPMAP_NEAREST: |
| case GL_NEAREST_MIPMAP_LINEAR: |
| case GL_LINEAR_MIPMAP_LINEAR: |
| mipmapping = true; |
| break; |
| default: UNREACHABLE(); |
| } |
| |
| for (int face = 0; face < 6; face++) |
| { |
| if (mImageArray[face][0].width != mWidth || mImageArray[face][0].height != mHeight) |
| { |
| return false; |
| } |
| } |
| |
| if (mipmapping) |
| { |
| int q = log2(mWidth); |
| |
| for (int face = 0; face < 6; face++) |
| { |
| for (int level = 1; level <= q; level++) |
| { |
| if (mImageArray[face][level].format != mImageArray[0][0].format) |
| { |
| return false; |
| } |
| |
| if (mImageArray[face][level].width != (mImageArray[0][level - 1].width + 1) / 2) |
| { |
| return false; |
| } |
| |
| if (mImageArray[face][level].height != (mImageArray[0][level - 1].height + 1) / 2) |
| { |
| return false; |
| } |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| // Constructs a Direct3D 9 texture resource from the texture images, or returns an existing one |
| IDirect3DBaseTexture9 *TextureCubeMap::createTexture() |
| { |
| IDirect3DDevice9 *device = getDevice(); |
| D3DFORMAT format = selectFormat(mImageArray[0][0].format); |
| |
| IDirect3DCubeTexture9 *texture; |
| |
| HRESULT result = device->CreateCubeTexture(mWidth, 0, 0, format, D3DPOOL_DEFAULT, &texture, NULL); |
| |
| if (FAILED(result)) |
| { |
| ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY); |
| return error(GL_OUT_OF_MEMORY, (IDirect3DBaseTexture9*)NULL); |
| } |
| |
| if (mTexture) mTexture->Release(); |
| |
| mTexture = texture; |
| return mTexture; |
| } |
| |
| void TextureCubeMap::updateTexture() |
| { |
| IDirect3DDevice9 *device = getDevice(); |
| |
| for (int face = 0; face < 6; face++) |
| { |
| for (int level = 0; level <= log2(mWidth); level++) |
| { |
| Image *img = &mImageArray[face][level]; |
| |
| if (img->dirty) |
| { |
| IDirect3DSurface9 *levelSurface = getCubeMapSurface(face, level); |
| ASSERT(levelSurface != NULL); |
| |
| if (levelSurface != NULL) |
| { |
| HRESULT result = device->UpdateSurface(img->surface, NULL, levelSurface, NULL); |
| ASSERT(SUCCEEDED(result)); |
| |
| levelSurface->Release(); |
| |
| img->dirty = false; |
| } |
| } |
| } |
| } |
| } |
| |
| IDirect3DBaseTexture9 *TextureCubeMap::convertToRenderTarget() |
| { |
| IDirect3DCubeTexture9 *texture = NULL; |
| |
| if (mWidth != 0) |
| { |
| IDirect3DDevice9 *device = getDevice(); |
| D3DFORMAT format = selectFormat(mImageArray[0][0].format); |
| |
| HRESULT result = device->CreateCubeTexture(mWidth, 0, D3DUSAGE_RENDERTARGET, format, D3DPOOL_DEFAULT, &texture, NULL); |
| |
| if (FAILED(result)) |
| { |
| ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY); |
| return error(GL_OUT_OF_MEMORY, (IDirect3DBaseTexture9*)NULL); |
| } |
| |
| if (mTexture != NULL) |
| { |
| int levels = texture->GetLevelCount(); |
| for (int f = 0; f < 6; f++) |
| { |
| for (int i = 0; i < levels; i++) |
| { |
| IDirect3DSurface9 *source; |
| result = mTexture->GetCubeMapSurface(static_cast<D3DCUBEMAP_FACES>(f), i, &source); |
| |
| if (FAILED(result)) |
| { |
| ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY); |
| |
| texture->Release(); |
| |
| return error(GL_OUT_OF_MEMORY, (IDirect3DBaseTexture9*)NULL); |
| } |
| |
| IDirect3DSurface9 *dest; |
| result = texture->GetCubeMapSurface(static_cast<D3DCUBEMAP_FACES>(f), i, &dest); |
| |
| if (FAILED(result)) |
| { |
| ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY); |
| |
| texture->Release(); |
| source->Release(); |
| |
| return error(GL_OUT_OF_MEMORY, (IDirect3DBaseTexture9*)NULL); |
| } |
| |
| result = device->StretchRect(source, NULL, dest, NULL, D3DTEXF_NONE); |
| |
| if (FAILED(result)) |
| { |
| ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY); |
| |
| texture->Release(); |
| source->Release(); |
| dest->Release(); |
| |
| return error(GL_OUT_OF_MEMORY, (IDirect3DBaseTexture9*)NULL); |
| } |
| } |
| } |
| } |
| } |
| |
| if (mTexture != NULL) |
| { |
| mTexture->Release(); |
| } |
| |
| mTexture = texture; |
| return mTexture; |
| } |
| |
| IDirect3DSurface9 *TextureCubeMap::getSurface(GLenum target) |
| { |
| ASSERT(es2dx::IsCubemapTextureTarget(target)); |
| |
| IDirect3DSurface9 *surface = getCubeMapSurface(target, 0); |
| ASSERT(surface != NULL); |
| return surface; |
| } |
| |
| void TextureCubeMap::setImage(int face, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels) |
| { |
| redefineTexture(level, internalFormat, width); |
| |
| Texture::setImage(width, height, format, type, unpackAlignment, pixels, &mImageArray[face][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; |
| } |
| |
| bool TextureCubeMap::dirtyImageData() const |
| { |
| int q = log2(mWidth); |
| |
| for (int f = 0; f < 6; f++) |
| { |
| for (int i = 0; i <= q; i++) |
| { |
| if (mImageArray[f][i].dirty) return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| // While OpenGL doesn't check texture consistency until draw-time, D3D9 requires a complete texture |
| // for render-to-texture (such as CopyTexImage). We have no way of keeping individual inconsistent levels & faces. |
| // Call this when a particular level of the texture must be defined with a specific format, width and height. |
| // |
| // Returns true if the existing texture was unsuitable had to be destroyed. If so, it will also set |
| // a new size for the texture by working backwards from the given size. |
| bool TextureCubeMap::redefineTexture(GLint level, GLenum internalFormat, GLsizei width) |
| { |
| // Are these settings compatible with level 0? |
| bool sizeOkay = (mImageArray[0][0].width >> level == width); |
| |
| bool textureOkay = (sizeOkay && internalFormat == mImageArray[0][0].format); |
| |
| if (!textureOkay) |
| { |
| TRACE("Redefining cube texture (%d, 0x%04X, %d => 0x%04X, %d).", level, |
| mImageArray[0][0].format, mImageArray[0][0].width, |
| internalFormat, width); |
| |
| // Purge all the levels and the texture. |
| for (int i = 0; i < MAX_TEXTURE_LEVELS; i++) |
| { |
| for (int f = 0; f < 6; f++) |
| { |
| if (mImageArray[f][i].surface != NULL) |
| { |
| mImageArray[f][i].dirty = false; |
| |
| mImageArray[f][i].surface->Release(); |
| mImageArray[f][i].surface = NULL; |
| } |
| } |
| } |
| |
| if (mTexture != NULL) |
| { |
| mTexture->Release(); |
| mTexture = NULL; |
| dropTexture(); |
| } |
| |
| mWidth = width << level; |
| mImageArray[0][0].width = width << level; |
| mHeight = width << level; |
| mImageArray[0][0].height = width << level; |
| |
| mImageArray[0][0].format = internalFormat; |
| } |
| |
| return !textureOkay; |
| } |
| |
| void TextureCubeMap::copyImage(GLenum face, GLint level, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height, Renderbuffer *source) |
| { |
| unsigned int faceindex = faceIndex(face); |
| |
| if (redefineTexture(level, internalFormat, width)) |
| { |
| convertToRenderTarget(); |
| pushTexture(mTexture); |
| } |
| |
| ASSERT(width == height); |
| |
| if (width > 0) |
| { |
| RECT sourceRect; |
| sourceRect.left = x; |
| sourceRect.top = y + height; |
| sourceRect.right = x + width; |
| sourceRect.bottom = y; |
| |
| IDirect3DSurface9 *dest = getCubeMapSurface(face, level); |
| |
| getBlitter()->formatConvert(source->getRenderTarget(), sourceRect, internalFormat, 0, 0, dest); |
| dest->Release(); |
| } |
| |
| mImageArray[faceindex][level].width = width; |
| mImageArray[faceindex][level].height = height; |
| mImageArray[faceindex][level].format = internalFormat; |
| } |
| |
| IDirect3DSurface9 *TextureCubeMap::getCubeMapSurface(unsigned int faceIdentifier, unsigned int level) |
| { |
| unsigned int faceIndex; |
| |
| if (faceIdentifier < 6) |
| { |
| faceIndex = faceIdentifier; |
| } |
| else if (faceIdentifier >= GL_TEXTURE_CUBE_MAP_POSITIVE_X && faceIdentifier <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z) |
| { |
| faceIndex = faceIdentifier - GL_TEXTURE_CUBE_MAP_POSITIVE_X; |
| } |
| else |
| { |
| UNREACHABLE(); |
| faceIndex = 0; |
| } |
| |
| if (mTexture == NULL) |
| { |
| UNREACHABLE(); |
| return NULL; |
| } |
| |
| IDirect3DSurface9 *surface = NULL; |
| |
| HRESULT hr = mTexture->GetCubeMapSurface(static_cast<D3DCUBEMAP_FACES>(faceIndex), level, &surface); |
| |
| return (SUCCEEDED(hr)) ? surface : NULL; |
| } |
| |
| void TextureCubeMap::copySubImage(GLenum face, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, Renderbuffer *source) |
| { |
| GLsizei size = mImageArray[faceIndex(face)][level].width; |
| |
| if (xoffset + width > size || yoffset + height > size) |
| { |
| return error(GL_INVALID_VALUE); |
| } |
| |
| if (redefineTexture(0, mImageArray[0][0].format, mImageArray[0][0].width)) |
| { |
| convertToRenderTarget(); |
| pushTexture(mTexture); |
| } |
| else |
| { |
| getRenderTarget(face); |
| } |
| |
| RECT sourceRect; |
| sourceRect.left = x; |
| sourceRect.top = y + height; |
| sourceRect.right = x + width; |
| sourceRect.bottom = y; |
| |
| IDirect3DSurface9 *dest = getCubeMapSurface(face, level); |
| |
| getBlitter()->formatConvert(source->getRenderTarget(), sourceRect, mImageArray[0][0].format, xoffset, yoffset, dest); |
| dest->Release(); |
| } |
| |
| } |
