From: Dave Airlie Date: Sun, 22 Mar 2009 01:56:41 +0000 (+1000) Subject: radeon: add miptree offset functions X-Git-Tag: 062012170305~17577^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0968512f8f4abc5bce84c200bd99f8a522d56122;p=profile%2Fivi%2Fmesa.git radeon: add miptree offset functions --- diff --git a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c index 3203ee1..228629e 100644 --- a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c +++ b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c @@ -358,3 +358,29 @@ void radeon_try_alloc_miptree(radeonContextPtr rmesa, radeonTexObj *t, texImage->Width, texImage->Height, texImage->Depth, texImage->TexFormat->TexelBytes, t->tile_bits, compressed); } + +/* Although we use the image_offset[] array to store relative offsets + * to cube faces, Mesa doesn't know anything about this and expects + * each cube face to be treated as a separate image. + * + * These functions present that view to mesa: + */ +const GLuint * +radeon_miptree_depth_offsets(radeon_mipmap_tree *mt, GLuint level) +{ + static const GLuint zero = 0; + if (mt->target != GL_TEXTURE_3D || mt->faces == 1) + return &zero; + else + return mt->levels[level].faces[0].offset; +} + +GLuint +radeon_miptree_image_offset(radeon_mipmap_tree *mt, + GLuint face, GLuint level) +{ + if (mt->target == GL_TEXTURE_CUBE_MAP_ARB) + return (mt->levels[level].faces[face].offset); + else + return mt->levels[level].faces[0].offset; +} diff --git a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h index 43dfa48..d9ad5ad 100644 --- a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h +++ b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h @@ -92,6 +92,8 @@ GLboolean radeon_miptree_matches_image(radeon_mipmap_tree *mt, GLboolean radeon_miptree_matches_texture(radeon_mipmap_tree *mt, struct gl_texture_object *texObj); void radeon_try_alloc_miptree(radeonContextPtr rmesa, radeonTexObj *t, struct gl_texture_image *texImage, GLuint face, GLuint level); - - +GLuint radeon_miptree_image_offset(radeon_mipmap_tree *mt, + GLuint face, GLuint level); +const GLuint * +radeon_miptree_depth_offsets(radeon_mipmap_tree *mt, GLuint level); #endif /* __RADEON_MIPMAP_TREE_H_ */