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Diffstat (limited to 'src/gallium/drivers/vc5/vc5_resource.h')
| -rw-r--r-- | src/gallium/drivers/vc5/vc5_resource.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc5/vc5_resource.h b/src/gallium/drivers/vc5/vc5_resource.h new file mode 100644 index 00000000000..3440fdc947b --- /dev/null +++ b/src/gallium/drivers/vc5/vc5_resource.h @@ -0,0 +1,158 @@ +/* + * Copyright © 2014-2017 Broadcom + * Copyright (C) 2012 Rob Clark <[email protected]> + * + * 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; +}; + +struct vc5_resource { + struct u_resource base; + struct vc5_bo *bo; + struct vc5_resource_slice slices[VC5_MAX_MIP_LEVELS]; + uint32_t cube_map_stride; + int cpp; + bool tiled; + /** One of V3D_TEXTURE_DATA_FORMAT_* */ + uint8_t tex_format; + + /** + * 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 */ |