diff options
Diffstat (limited to 'src/mesa/main/teximage.c')
-rw-r--r-- | src/mesa/main/teximage.c | 45 |
1 files changed, 22 insertions, 23 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index 0db98795dc..13053ce9ba 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -1538,6 +1538,11 @@ subtexture_error_check( GLcontext *ctx, GLuint dimensions, return GL_FALSE; } + +/** + * Do second part of glTexSubImage which depends on the destination texture. + * \return GL_TRUE if error recorded, GL_FALSE otherwise + */ static GLboolean subtexture_error_check2( GLcontext *ctx, GLuint dimensions, GLenum target, GLint level, @@ -1585,41 +1590,35 @@ subtexture_error_check2( GLcontext *ctx, GLuint dimensions, } } -#if FEATURE_EXT_texture_sRGB - if (destTex->InternalFormat == GL_COMPRESSED_SRGB_S3TC_DXT1_EXT || - destTex->InternalFormat == GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT || - destTex->InternalFormat == GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT || - destTex->InternalFormat == GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT) { - if ((width & 0x3) || (height & 0x3) || - (xoffset & 0x3) || (yoffset & 0x3)) - _mesa_error(ctx, GL_INVALID_OPERATION, - "glTexSubImage%dD(size or offset not multiple of 4)", - dimensions); - return GL_TRUE; - } -#endif - if (_mesa_is_format_compressed(destTex->TexFormat)) { + GLuint bw, bh; + if (!target_can_be_compressed(ctx, target)) { _mesa_error(ctx, GL_INVALID_ENUM, - "glTexSubImage%D(target)", dimensions); + "glTexSubImage%D(target=%s)", dimensions, + _mesa_lookup_enum_by_nr(target)); return GL_TRUE; } - /* offset must be multiple of 4 */ - if ((xoffset & 3) || (yoffset & 3)) { + + /* do tests which depend on compression block size */ + _mesa_get_format_block_size(destTex->TexFormat, &bw, &bh); + + /* offset must be multiple of block size */ + if ((xoffset % bw != 0) || (yoffset % bh != 0)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glTexSubImage%D(xoffset or yoffset)", dimensions); + "glTexSubImage%D(xoffset = %d, yoffset = %d)", + dimensions, xoffset, yoffset); return GL_TRUE; } - /* size must be multiple of 4 or equal to whole texture size */ - if ((width & 3) && (GLuint) width != destTex->Width) { + /* size must be multiple of bw by bh or equal to whole texture size */ + if ((width % bw != 0) && (GLuint) width != destTex->Width) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glTexSubImage%D(width)", dimensions); + "glTexSubImage%D(width = %d)", dimensions, width); return GL_TRUE; } - if ((height & 3) && (GLuint) height != destTex->Height) { + if ((height % bh != 0) && (GLuint) height != destTex->Height) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glTexSubImage%D(width)", dimensions); + "glTexSubImage%D(height = %d)", dimensions, height); return GL_TRUE; } } |