diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_texture.c | 124 | ||||
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_texture.h | 4 |
2 files changed, 50 insertions, 78 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c index 756734b890b..ec9e024662d 100644 --- a/src/gallium/drivers/llvmpipe/lp_texture.c +++ b/src/gallium/drivers/llvmpipe/lp_texture.c @@ -90,68 +90,60 @@ llvmpipe_texture_layout(struct llvmpipe_screen *screen, for (level = 0; level <= pt->last_level; level++) { uint64_t mipsize; + unsigned align_x, align_y, nblocksx, nblocksy, block_size, num_slices; /* Row stride and image stride */ - { - unsigned align_x, align_y, nblocksx, nblocksy, block_size; - - /* For non-compressed formats we need 4x4 pixel alignment - * so we can read/write LP_RASTER_BLOCK_SIZE when rendering to them. - * We also want cache line size in x direction, - * otherwise same cache line could end up in multiple threads. - * For explicit 1d resources however we reduce this to 4x1 and - * handle specially in render output code (as we need to do special - * handling there for buffers in any case). - */ - if (util_format_is_compressed(pt->format)) - align_x = align_y = 1; - else { - align_x = LP_RASTER_BLOCK_SIZE; - if (llvmpipe_resource_is_1d(&lpr->base)) - align_y = 1; - else - align_y = LP_RASTER_BLOCK_SIZE; - } - nblocksx = util_format_get_nblocksx(pt->format, - align(width, align_x)); - nblocksy = util_format_get_nblocksy(pt->format, - align(height, align_y)); - block_size = util_format_get_blocksize(pt->format); - - if (util_format_is_compressed(pt->format)) - lpr->row_stride[level] = nblocksx * block_size; + /* For non-compressed formats we need 4x4 pixel alignment + * so we can read/write LP_RASTER_BLOCK_SIZE when rendering to them. + * We also want cache line size in x direction, + * otherwise same cache line could end up in multiple threads. + * For explicit 1d resources however we reduce this to 4x1 and + * handle specially in render output code (as we need to do special + * handling there for buffers in any case). + */ + if (util_format_is_compressed(pt->format)) + align_x = align_y = 1; + else { + align_x = LP_RASTER_BLOCK_SIZE; + if (llvmpipe_resource_is_1d(&lpr->base)) + align_y = 1; else - lpr->row_stride[level] = align(nblocksx * block_size, util_cpu_caps.cacheline); + align_y = LP_RASTER_BLOCK_SIZE; + } - /* if row_stride * height > LP_MAX_TEXTURE_SIZE */ - if ((uint64_t)lpr->row_stride[level] * nblocksy > LP_MAX_TEXTURE_SIZE) { - /* image too large */ - goto fail; - } + nblocksx = util_format_get_nblocksx(pt->format, + align(width, align_x)); + nblocksy = util_format_get_nblocksy(pt->format, + align(height, align_y)); + block_size = util_format_get_blocksize(pt->format); + + if (util_format_is_compressed(pt->format)) + lpr->row_stride[level] = nblocksx * block_size; + else + lpr->row_stride[level] = align(nblocksx * block_size, util_cpu_caps.cacheline); - lpr->img_stride[level] = lpr->row_stride[level] * nblocksy; + /* if row_stride * height > LP_MAX_TEXTURE_SIZE */ + if ((uint64_t)lpr->row_stride[level] * nblocksy > LP_MAX_TEXTURE_SIZE) { + /* image too large */ + goto fail; } - /* Number of 3D image slices, cube faces or texture array layers */ - { - unsigned num_slices; - - if (lpr->base.target == PIPE_TEXTURE_CUBE) - num_slices = 6; - else if (lpr->base.target == PIPE_TEXTURE_3D) - num_slices = depth; - else if (lpr->base.target == PIPE_TEXTURE_1D_ARRAY || - lpr->base.target == PIPE_TEXTURE_2D_ARRAY) - num_slices = layers; - else - num_slices = 1; + lpr->img_stride[level] = lpr->row_stride[level] * nblocksy; - lpr->num_slices_faces[level] = num_slices; - } + /* Number of 3D image slices, cube faces or texture array layers */ + if (lpr->base.target == PIPE_TEXTURE_CUBE) + num_slices = 6; + else if (lpr->base.target == PIPE_TEXTURE_3D) + num_slices = depth; + else if (lpr->base.target == PIPE_TEXTURE_1D_ARRAY || + lpr->base.target == PIPE_TEXTURE_2D_ARRAY) + num_slices = layers; + else + num_slices = 1; /* if img_stride * num_slices_faces > LP_MAX_TEXTURE_SIZE */ - mipsize = (uint64_t)lpr->num_slices_faces[level] * lpr->img_stride[level]; + mipsize = (uint64_t)lpr->img_stride[level] * num_slices; if (mipsize > LP_MAX_TEXTURE_SIZE) { /* volume too large */ goto fail; @@ -214,9 +206,6 @@ llvmpipe_displaytarget_layout(struct llvmpipe_screen *screen, const unsigned width = MAX2(1, align(lpr->base.width0, TILE_SIZE)); const unsigned height = MAX2(1, align(lpr->base.height0, TILE_SIZE)); - lpr->num_slices_faces[0] = 1; - lpr->img_stride[0] = 0; - lpr->dt = winsys->displaytarget_create(winsys, lpr->base.bind, lpr->base.format, @@ -283,6 +272,7 @@ llvmpipe_resource_create(struct pipe_screen *_screen, * offset doesn't need to be aligned to LP_RASTER_BLOCK_SIZE. */ lpr->data = align_malloc(bytes + (LP_RASTER_BLOCK_SIZE - 1) * 4 * sizeof(float), 64); + /* * buffers don't really have stride but it's probably safer * (for code doing same calculations for buffers and textures) @@ -457,9 +447,6 @@ llvmpipe_resource_from_handle(struct pipe_screen *screen, assert(lpr->base.height0 == height); #endif - lpr->num_slices_faces[0] = 1; - lpr->img_stride[0] = 0; - lpr->dt = winsys->displaytarget_from_handle(winsys, template, whandle, @@ -691,7 +678,7 @@ struct pipe_resource * llvmpipe_user_buffer_create(struct pipe_screen *screen, void *ptr, unsigned bytes, - unsigned bind_flags) + unsigned bind_flags) { struct llvmpipe_resource *buffer; @@ -728,18 +715,6 @@ tex_image_face_size(const struct llvmpipe_resource *lpr, unsigned level) /** - * Compute size (in bytes) need to store a texture image / mipmap level, - * including all cube faces or 3D image slices - */ -static unsigned -tex_image_size(const struct llvmpipe_resource *lpr, unsigned level) -{ - const unsigned buf_size = tex_image_face_size(lpr, level); - return buf_size * lpr->num_slices_faces[level]; -} - - -/** * Return pointer to a 2D texture image/face/slice. * No tiled/linear conversion is done. */ @@ -767,18 +742,15 @@ unsigned llvmpipe_resource_size(const struct pipe_resource *resource) { const struct llvmpipe_resource *lpr = llvmpipe_resource_const(resource); - unsigned lvl, size = 0; + unsigned size = 0; if (llvmpipe_resource_is_texture(resource)) { - for (lvl = 0; lvl <= lpr->base.last_level; lvl++) { - if (lpr->tex_data) - size += tex_image_size(lpr, lvl); - } + /* Note this will always return 0 for displaytarget resources */ + size = lpr->total_alloc_size; } else { size = resource->width0; } - return size; } diff --git a/src/gallium/drivers/llvmpipe/lp_texture.h b/src/gallium/drivers/llvmpipe/lp_texture.h index 34c3f604066..aa624b05ea4 100644 --- a/src/gallium/drivers/llvmpipe/lp_texture.h +++ b/src/gallium/drivers/llvmpipe/lp_texture.h @@ -64,10 +64,10 @@ struct llvmpipe_resource unsigned row_stride[LP_MAX_TEXTURE_LEVELS]; /** Image stride (for cube maps, array or 3D textures) in bytes */ unsigned img_stride[LP_MAX_TEXTURE_LEVELS]; - /** Number of 3D slices or cube faces per level */ - unsigned num_slices_faces[LP_MAX_TEXTURE_LEVELS]; /** Offset to start of mipmap level, in bytes */ unsigned mip_offsets[LP_MAX_TEXTURE_LEVELS]; + /** allocated total size (for non-display target texture resources only) */ + unsigned total_alloc_size; /** * Display target, for textures with the PIPE_BIND_DISPLAY_TARGET |