| /* |
| * Copyright © 2014-2017 Broadcom |
| * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org> |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| */ |
| |
| #ifndef VC5_RESOURCE_H |
| #define VC5_RESOURCE_H |
| |
| #include "vc5_screen.h" |
| #include "util/u_transfer.h" |
| |
| /* A UIFblock is a 256-byte region of memory that's 256-byte aligned. These |
| * will be grouped in 4x4 blocks (left-to-right, then top-to-bottom) in a 4KB |
| * page. Those pages are then arranged left-to-right, top-to-bottom, to cover |
| * an image. |
| * |
| * The inside of a UIFblock, for packed pixels, will be split into 4 64-byte |
| * utiles. Utiles may be 8x8 (8bpp), 8x4(16bpp) or 4x4 (32bpp). |
| */ |
| |
| /** |
| * Tiling mode enum used for vc5_resource.c, which maps directly to the Memory |
| * Format field of render target and Z/Stencil config. |
| */ |
| enum vc5_tiling_mode { |
| /* Untiled resources. Not valid as texture inputs. */ |
| VC5_TILING_RASTER, |
| |
| /* Single line of u-tiles. */ |
| VC5_TILING_LINEARTILE, |
| |
| /* Departure from standard 4-UIF block column format. */ |
| VC5_TILING_UBLINEAR_1_COLUMN, |
| |
| /* Departure from standard 4-UIF block column format. */ |
| VC5_TILING_UBLINEAR_2_COLUMN, |
| |
| /* Normal tiling format: grouped in 4x4 UIFblocks, each of which is |
| * split 2x2 into utiles. |
| */ |
| VC5_TILING_UIF_NO_XOR, |
| |
| /* Normal tiling format: grouped in 4x4 UIFblocks, each of which is |
| * split 2x2 into utiles. |
| */ |
| VC5_TILING_UIF_XOR, |
| }; |
| |
| struct vc5_transfer { |
| struct pipe_transfer base; |
| void *map; |
| |
| struct pipe_resource *ss_resource; |
| struct pipe_box ss_box; |
| }; |
| |
| struct vc5_resource_slice { |
| uint32_t offset; |
| uint32_t stride; |
| uint32_t size; |
| enum vc5_tiling_mode tiling; |
| }; |
| |
| struct vc5_surface { |
| struct pipe_surface base; |
| uint32_t offset; |
| enum vc5_tiling_mode tiling; |
| /** |
| * Output image format for TILE_RENDERING_MODE_CONFIGURATION |
| */ |
| uint8_t format; |
| |
| /** |
| * Internal format of the tile buffer for |
| * TILE_RENDERING_MODE_CONFIGURATION. |
| */ |
| uint8_t internal_type; |
| |
| /** |
| * internal bpp value (0=32bpp, 2=128bpp) for color buffers in |
| * TILE_RENDERING_MODE_CONFIGURATION. |
| */ |
| uint8_t internal_bpp; |
| |
| uint32_t padded_height_of_output_image_in_uif_blocks; |
| }; |
| |
| struct vc5_resource { |
| struct pipe_resource base; |
| struct vc5_bo *bo; |
| struct vc5_resource_slice slices[VC5_MAX_MIP_LEVELS]; |
| uint32_t cube_map_stride; |
| int cpp; |
| bool tiled; |
| |
| /** |
| * Number of times the resource has been written to. |
| * |
| * This is used to track whether we need to load the surface on first |
| * rendering. |
| */ |
| uint64_t writes; |
| |
| /** |
| * Bitmask of PIPE_CLEAR_COLOR0, PIPE_CLEAR_DEPTH, PIPE_CLEAR_STENCIL |
| * for which parts of the resource are defined. |
| * |
| * Used for avoiding fallback to quad clears for clearing just depth, |
| * when the stencil contents have never been initialized. Note that |
| * we're lazy and fields not present in the buffer (DEPTH in a color |
| * buffer) may get marked. |
| */ |
| uint32_t initialized_buffers; |
| }; |
| |
| static inline struct vc5_resource * |
| vc5_resource(struct pipe_resource *prsc) |
| { |
| return (struct vc5_resource *)prsc; |
| } |
| |
| static inline struct vc5_surface * |
| vc5_surface(struct pipe_surface *psurf) |
| { |
| return (struct vc5_surface *)psurf; |
| } |
| |
| static inline struct vc5_transfer * |
| vc5_transfer(struct pipe_transfer *ptrans) |
| { |
| return (struct vc5_transfer *)ptrans; |
| } |
| |
| void vc5_resource_screen_init(struct pipe_screen *pscreen); |
| void vc5_resource_context_init(struct pipe_context *pctx); |
| struct pipe_resource *vc5_resource_create(struct pipe_screen *pscreen, |
| const struct pipe_resource *tmpl); |
| |
| #endif /* VC5_RESOURCE_H */ |