Comment # 3
on bug 92860
from Ilia Mirkin
The problem is that it creates a mip-mapped compressed texture (DXT1) and copies in each level. However DXT1 has a block size of 4x4, so mesa refuses to copy in the last 2 levels. I need to go back and look at the spec, but I believe that's bogus behaviour... we should be allowing this. 521945 glBindTexture(target = GL_TEXTURE_2D, texture = 2714) 521946 glTexParameteri(target = GL_TEXTURE_2D, pname = GL_TEXTURE_WRAP_S, param = GL_REPEAT) 521947 glTexParameteri(target = GL_TEXTURE_2D, pname = GL_TEXTURE_WRAP_T, param = GL_REPEAT) 521948 glTexParameteri(target = GL_TEXTURE_2D, pname = GL_TEXTURE_WRAP_R, param = GL_REPEAT) 521949 glTexParameteri(target = GL_TEXTURE_2D, pname = GL_TEXTURE_MAG_FILTER, param = GL_NEAREST) 521950 glTexParameteri(target = GL_TEXTURE_2D, pname = GL_TEXTURE_MIN_FILTER, param = GL_NEAREST) 521951 glTexParameteri(target = GL_TEXTURE_2D, pname = GL_TEXTURE_MAX_ANISOTROPY_EXT, param = 1) 521952 glTexParameteri(target = GL_TEXTURE_2D, pname = GL_TEXTURE_BASE_LEVEL, param = 0) 521953 glTexParameteri(target = GL_TEXTURE_2D, pname = GL_TEXTURE_MAX_LEVEL, param = 11) 521954 glTexStorage2D(target = GL_TEXTURE_2D, levels = 12, internalformat = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, width = 2048, height = 2048) 521955 glCopyImageSubData(srcName = 2672, srcTarget = GL_TEXTURE_2D, srcLevel = 0, srcX = 0, srcY = 0, srcZ = 0, dstName = 2714, dstTarget = GL_TEXT URE_2D, dstLevel = 5, dstX = 0, dstY = 0, dstZ = 0, srcWidth = 64, srcHeight = 64, srcDepth = 1) 521956 glCopyImageSubData(srcName = 2672, srcTarget = GL_TEXTURE_2D, srcLevel = 1, srcX = 0, srcY = 0, srcZ = 0, dstName = 2714, dstTarget = GL_TEXT URE_2D, dstLevel = 6, dstX = 0, dstY = 0, dstZ = 0, srcWidth = 32, srcHeight = 32, srcDepth = 1) 521957 glCopyImageSubData(srcName = 2672, srcTarget = GL_TEXTURE_2D, srcLevel = 2, srcX = 0, srcY = 0, srcZ = 0, dstName = 2714, dstTarget = GL_TEXT URE_2D, dstLevel = 7, dstX = 0, dstY = 0, dstZ = 0, srcWidth = 16, srcHeight = 16, srcDepth = 1) 521958 glCopyImageSubData(srcName = 2672, srcTarget = GL_TEXTURE_2D, srcLevel = 3, srcX = 0, srcY = 0, srcZ = 0, dstName = 2714, dstTarget = GL_TEXT URE_2D, dstLevel = 8, dstX = 0, dstY = 0, dstZ = 0, srcWidth = 8, srcHeight = 8, srcDepth = 1) 521959 glCopyImageSubData(srcName = 2672, srcTarget = GL_TEXTURE_2D, srcLevel = 4, srcX = 0, srcY = 0, srcZ = 0, dstName = 2714, dstTarget = GL_TEXT URE_2D, dstLevel = 9, dstX = 0, dstY = 0, dstZ = 0, srcWidth = 4, srcHeight = 4, srcDepth = 1) 521960 glCopyImageSubData(srcName = 2672, srcTarget = GL_TEXTURE_2D, srcLevel = 5, srcX = 0, srcY = 0, srcZ = 0, dstName = 2714, dstTarget = GL_TEXTURE_2D, dstLevel = 10, dstX = 0, dstY = 0, dstZ = 0, srcWidth = 2, srcHeight = 2, srcDepth = 1) 521961 glCopyImageSubData(srcName = 2672, srcTarget = GL_TEXTURE_2D, srcLevel = 6, srcX = 0, srcY = 0, srcZ = 0, dstName = 2714, dstTarget = GL_TEXTURE_2D, dstLevel = 11, dstX = 0, dstY = 0, dstZ = 0, srcWidth = 1, srcHeight = 1, srcDepth = 1)
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