//-----------------------------------------------------------------------------
// createTexture
//-----------------------------------------------------------------------------
GFXTextureObject *GFXGLTextureManager::_createTextureObject( U32 height,
U32 width,
U32 depth,
GFXFormat format,
GFXTextureProfile *profile,
U32 numMipLevels,
bool forceMips,
S32 antialiasLevel,
GFXTextureObject *inTex )
{
AssertFatal(format >= 0 && format < GFXFormat_COUNT, "GFXGLTextureManager::_createTexture - invalid format!");
GFXGLTextureObject *retTex;
if ( inTex )
{
AssertFatal( dynamic_cast<GFXGLTextureObject*>( inTex ), "GFXGLTextureManager::_createTexture() - Bad inTex type!" );
retTex = static_cast<GFXGLTextureObject*>( inTex );
retTex->release();
retTex->reInit();
}
else
{
retTex = new GFXGLTextureObject( GFX, profile );
retTex->registerResourceWithDevice( GFX );
}
innerCreateTexture(retTex, height, width, depth, format, profile, numMipLevels, forceMips);
return retTex;
}
void GFXGLCubemap::fillCubeTextures(GFXTexHandle* faces)
{
AssertFatal( faces, "");
AssertFatal( faces[0]->mMipLevels > 0, "");
PRESERVE_CUBEMAP_TEXTURE();
glBindTexture(GL_TEXTURE_CUBE_MAP, mCubemap);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAX_LEVEL, faces[0]->mMipLevels - 1 );
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
U32 reqWidth = faces[0]->getWidth();
U32 reqHeight = faces[0]->getHeight();
GFXFormat regFaceFormat = faces[0]->getFormat();
const bool isCompressed = isCompressedFormat(regFaceFormat);
mWidth = reqWidth;
mHeight = reqHeight;
mFaceFormat = regFaceFormat;
mMipLevels = getMax( (U32)1, faces[0]->mMipLevels);
AssertFatal(reqWidth == reqHeight, "GFXGLCubemap::fillCubeTextures - Width and height must be equal!");
for(U32 i = 0; i < 6; i++)
{
AssertFatal(faces[i], avar("GFXGLCubemap::fillCubeFaces - texture %i is NULL!", i));
AssertFatal((faces[i]->getWidth() == reqWidth) && (faces[i]->getHeight() == reqHeight), "GFXGLCubemap::fillCubeFaces - All textures must have identical dimensions!");
AssertFatal(faces[i]->getFormat() == regFaceFormat, "GFXGLCubemap::fillCubeFaces - All textures must have identical formats!");
mTextures[i] = faces[i];
GFXFormat faceFormat = faces[i]->getFormat();
GFXGLTextureObject* glTex = static_cast<GFXGLTextureObject*>(faces[i].getPointer());
if( isCompressed )
{
for( U32 mip = 0; mip < mMipLevels; ++mip )
{
const U32 mipWidth = getMax( U32(1), faces[i]->getWidth() >> mip );
const U32 mipHeight = getMax( U32(1), faces[i]->getHeight() >> mip );
const U32 mipDataSize = getCompressedSurfaceSize( mFaceFormat, mWidth, mHeight, mip );
U8* buf = glTex->getTextureData( mip );
glCompressedTexImage2D(faceList[i], mip, GFXGLTextureInternalFormat[mFaceFormat], mipWidth, mipHeight, 0, mipDataSize, buf);
delete[] buf;
}
}
else
{
U8* buf = glTex->getTextureData();
glTexImage2D(faceList[i], 0, GFXGLTextureInternalFormat[faceFormat], mWidth, mHeight,
0, GFXGLTextureFormat[faceFormat], GFXGLTextureType[faceFormat], buf);
delete[] buf;
}
}
inline void GFXGLWindowTarget::_setupAttachments()
{
glBindFramebuffer( GL_FRAMEBUFFER, mBackBufferFBO);
GFXGL->getOpenglCache()->setCacheBinded(GL_FRAMEBUFFER, mBackBufferFBO);
const Point2I dstSize = getSize();
mBackBufferColorTex.set(dstSize.x, dstSize.y, getFormat(), &PostFxTargetProfile, "backBuffer");
GFXGLTextureObject *color = static_cast<GFXGLTextureObject*>(mBackBufferColorTex.getPointer());
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, color->getHandle(), 0);
mBackBufferDepthTex.set(dstSize.x, dstSize.y, GFXFormatD24S8, &BackBufferDepthProfile, "backBuffer");
GFXGLTextureObject *depth = static_cast<GFXGLTextureObject*>(mBackBufferDepthTex.getPointer());
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, depth->getHandle(), 0);
}
void GFXGLWindowTarget::resolveTo(GFXTextureObject* obj)
{
AssertFatal(dynamic_cast<GFXGLTextureObject*>(obj), "GFXGLTextureTarget::resolveTo - Incorrect type of texture, expected a GFXGLTextureObject");
GFXGLTextureObject* glTexture = static_cast<GFXGLTextureObject*>(obj);
if( gglHasExtension(ARB_copy_image) )
{
if(mBackBufferColorTex.getWidth() == glTexture->getWidth()
&& mBackBufferColorTex.getHeight() == glTexture->getHeight()
&& mBackBufferColorTex.getFormat() == glTexture->getFormat())
{
glCopyImageSubData(
static_cast<GFXGLTextureObject*>(mBackBufferColorTex.getPointer())->getHandle(), GL_TEXTURE_2D, 0, 0, 0, 0,
glTexture->getHandle(), GL_TEXTURE_2D, 0, 0, 0, 0,
getSize().x, getSize().y, 1);
return;
}
}
PRESERVE_FRAMEBUFFER();
if(!mCopyFBO)
{
glGenFramebuffers(1, &mCopyFBO);
}
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, mCopyFBO);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, glTexture->getHandle(), 0);
glBindFramebuffer(GL_READ_FRAMEBUFFER, mBackBufferFBO);
glBlitFramebuffer(0, 0, getSize().x, getSize().y,
0, 0, glTexture->getWidth(), glTexture->getHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
void GFXGLDevice::setTextureInternal(U32 textureUnit, const GFXTextureObject*texture)
{
GFXGLTextureObject *tex = static_cast<GFXGLTextureObject*>(const_cast<GFXTextureObject*>(texture));
if (tex)
{
mActiveTextureType[textureUnit] = tex->getBinding();
tex->bind(textureUnit);
}
else if(mActiveTextureType[textureUnit] != GL_ZERO)
{
glActiveTexture(GL_TEXTURE0 + textureUnit);
glBindTexture(mActiveTextureType[textureUnit], 0);
getOpenglCache()->setCacheBindedTex(textureUnit, mActiveTextureType[textureUnit], 0);
mActiveTextureType[textureUnit] = GL_ZERO;
}
}
void GFXGLWindowTarget::resolveTo(GFXTextureObject* obj)
{
AssertFatal(dynamic_cast<GFXGLTextureObject*>(obj), "GFXGLTextureTarget::resolveTo - Incorrect type of texture, expected a GFXGLTextureObject");
GFXGLTextureObject* glTexture = static_cast<GFXGLTextureObject*>(obj);
PRESERVE_FRAMEBUFFER();
GLuint dest;
glGenFramebuffersEXT(1, &dest);
glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, dest);
glFramebufferTexture2DEXT(GL_DRAW_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, glTexture->getHandle(), 0);
glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0);
glBlitFramebufferEXT(0, 0, getSize().x, getSize().y,
0, 0, glTexture->getWidth(), glTexture->getHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST);
glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
glDeleteFramebuffersEXT(1, &dest);
}
void GFXGLCubemap::fillCubeTextures(GFXTexHandle* faces)
{
PRESERVE_CUBEMAP_TEXTURE();
glBindTexture(GL_TEXTURE_CUBE_MAP, mCubemap);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAX_LEVEL, 0 ); // TODO OPENGL GFXGLCubemap mipmaps
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
U32 reqWidth = faces[0]->getWidth();
U32 reqHeight = faces[0]->getHeight();
GFXFormat regFaceFormat = faces[0]->getFormat();
mWidth = reqWidth;
mHeight = reqHeight;
mFaceFormat = regFaceFormat;
mMipLevels = 1; // Lie for now
AssertFatal(reqWidth == reqHeight, "GFXGLCubemap::fillCubeTextures - Width and height must be equal!");
for(U32 i = 0; i < 6; i++)
{
AssertFatal(faces[i], avar("GFXGLCubemap::fillCubeFaces - texture %i is NULL!", i));
AssertFatal((faces[i]->getWidth() == reqWidth) && (faces[i]->getHeight() == reqHeight), "GFXGLCubemap::fillCubeFaces - All textures must have identical dimensions!");
AssertFatal(faces[i]->getFormat() == regFaceFormat, "GFXGLCubemap::fillCubeFaces - All textures must have identical formats!");
mTextures[i] = faces[i];
GFXFormat faceFormat = faces[i]->getFormat();
GFXGLTextureObject* glTex = static_cast<GFXGLTextureObject*>(faces[i].getPointer());
U8* buf = glTex->getTextureData();
glTexImage2D(faceList[i], 0, GFXGLTextureInternalFormat[faceFormat], faces[i]->getWidth(), faces[i]->getHeight(),
0, GFXGLTextureFormat[faceFormat], GFXGLTextureType[faceFormat], buf);
delete[] buf;
}
}
