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/*
* Copyright © 2014 Broadcom
*
* 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 VC4_PACKET_H
#define VC4_PACKET_H
enum vc4_packet {
VC4_PACKET_HALT = 0,
VC4_PACKET_NOP = 1,
VC4_PACKET_FLUSH = 4,
VC4_PACKET_FLUSH_ALL = 5,
VC4_PACKET_START_TILE_BINNING = 6,
VC4_PACKET_INCREMENT_SEMAPHORE = 7,
VC4_PACKET_WAIT_ON_SEMAPHORE = 8,
VC4_PACKET_BRANCH = 16,
VC4_PACKET_BRANCH_TO_SUB_LIST = 17,
VC4_PACKET_STORE_MS_TILE_BUFFER = 24,
VC4_PACKET_STORE_MS_TILE_BUFFER_AND_EOF = 25,
VC4_PACKET_STORE_FULL_RES_TILE_BUFFER = 26,
VC4_PACKET_LOAD_FULL_RES_TILE_BUFFER = 27,
VC4_PACKET_STORE_TILE_BUFFER_GENERAL = 28,
VC4_PACKET_LOAD_TILE_BUFFER_GENERAL = 29,
VC4_PACKET_GL_INDEXED_PRIMITIVE = 32,
VC4_PACKET_GL_ARRAY_PRIMITIVE = 33,
VC4_PACKET_COMPRESSED_PRIMITIVE = 48,
VC4_PACKET_CLIPPED_COMPRESSED_PRIMITIVE = 49,
VC4_PACKET_PRIMITIVE_LIST_FORMAT = 56,
VC4_PACKET_GL_SHADER_STATE = 64,
VC4_PACKET_NV_SHADER_STATE = 65,
VC4_PACKET_VG_SHADER_STATE = 66,
VC4_PACKET_CONFIGURATION_BITS = 96,
VC4_PACKET_FLAT_SHADE_FLAGS = 97,
VC4_PACKET_POINT_SIZE = 98,
VC4_PACKET_LINE_WIDTH = 99,
VC4_PACKET_RHT_X_BOUNDARY = 100,
VC4_PACKET_DEPTH_OFFSET = 101,
VC4_PACKET_CLIP_WINDOW = 102,
VC4_PACKET_VIEWPORT_OFFSET = 103,
VC4_PACKET_Z_CLIPPING = 104,
VC4_PACKET_CLIPPER_XY_SCALING = 105,
VC4_PACKET_CLIPPER_Z_SCALING = 106,
VC4_PACKET_TILE_BINNING_MODE_CONFIG = 112,
VC4_PACKET_TILE_RENDERING_MODE_CONFIG = 113,
VC4_PACKET_CLEAR_COLORS = 114,
VC4_PACKET_TILE_COORDINATES = 115,
GEM_HANDLES = 254,
} __attribute__ ((__packed__));
/** @{
* byte 2 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL (low bits of the
* address)
*/
#define VC4_STORE_TILE_BUFFER_DISABLE_FULL_VG_MASK_DUMP (1 << 2)
#define VC4_STORE_TILE_BUFFER_DISABLE_FULL_ZS_DUMP (1 << 1)
#define VC4_STORE_TILE_BUFFER_DISABLE_FULL_COLOR_DUMP (1 << 0)
/** @} */
/** @{ byte 1 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL */
#define VC4_STORE_TILE_BUFFER_DISABLE_VG_MASK_CLEAR (1 << 7)
#define VC4_STORE_TILE_BUFFER_DISABLE_ZS_CLEAR (1 << 6)
#define VC4_STORE_TILE_BUFFER_DISABLE_COLOR_CLEAR (1 << 5)
#define VC4_STORE_TILE_BUFFER_DISABLE_SWAP (1 << 4)
#define VC4_STORE_TILE_BUFFER_RGBA8888 (0 << 0)
#define VC4_STORE_TILE_BUFFER_BGR565_DITHER (1 << 0)
#define VC4_STORE_TILE_BUFFER_BGR565 (2 << 0)
/** @} */
/** @{ byte 0 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL */
#define VC4_STORE_TILE_BUFFER_MODE_SAMPLE0 (0 << 6)
#define VC4_STORE_TILE_BUFFER_MODE_DECIMATE_X4 (1 << 6)
#define VC4_STORE_TILE_BUFFER_MODE_DECIMATE_X16 (2 << 6)
#define VC4_STORE_TILE_BUFFER_FORMAT_RASTER (0 << 4)
#define VC4_STORE_TILE_BUFFER_FORMAT_T (1 << 4)
#define VC4_STORE_TILE_BUFFER_FORMAT_LT (2 << 4)
#define VC4_STORE_TILE_BUFFER_NONE (0 << 0)
#define VC4_STORE_TILE_BUFFER_COLOR (1 << 0)
#define VC4_STORE_TILE_BUFFER_ZS (2 << 0)
#define VC4_STORE_TILE_BUFFER_Z (3 << 0)
#define VC4_STORE_TILE_BUFFER_VG_MASK (4 << 0)
#define VC4_STORE_TILE_BUFFER_FULL (5 << 0)
/** @} */
#define VC4_INDEX_BUFFER_U8 (0 << 4)
#define VC4_INDEX_BUFFER_U16 (1 << 4)
/* This flag is only present in NV shader state. */
#define VC4_SHADER_FLAG_SHADED_CLIP_COORDS (1 << 3)
#define VC4_SHADER_FLAG_ENABLE_CLIPPING (1 << 2)
#define VC4_SHADER_FLAG_VS_POINT_SIZE (1 << 1)
#define VC4_SHADER_FLAG_FS_SINGLE_THREAD (1 << 0)
/** @{ byte 2 of config bits. */
#define VC4_CONFIG_BITS_EARLY_Z_UPDATE (1 << 1)
#define VC4_CONFIG_BITS_EARLY_Z (1 << 0)
/** @} */
/** @{ byte 1 of config bits. */
#define VC4_CONFIG_BITS_Z_UPDATE (1 << 7)
/** same values in this 3-bit field as PIPE_FUNC_* */
#define VC4_CONFIG_BITS_DEPTH_FUNC_SHIFT 4
#define VC4_CONFIG_BITS_COVERAGE_READ_LEAVE (1 << 3)
#define VC4_CONFIG_BITS_COVERAGE_UPDATE_NONZERO (0 << 1)
#define VC4_CONFIG_BITS_COVERAGE_UPDATE_ODD (1 << 1)
#define VC4_CONFIG_BITS_COVERAGE_UPDATE_OR (2 << 1)
#define VC4_CONFIG_BITS_COVERAGE_UPDATE_ZERO (3 << 1)
#define VC4_CONFIG_BITS_COVERAGE_PIPE_SELECT (1 << 0)
/** @} */
/** @{ byte 0 of config bits. */
#define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_NONE (0 << 6)
#define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_4X (1 << 6)
#define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_16X (2 << 6)
#define VC4_CONFIG_BITS_AA_POINTS_AND_LINES (1 << 4)
#define VC4_CONFIG_BITS_ENABLE_DEPTH_OFFSET (1 << 3)
#define VC4_CONFIG_BITS_CW_PRIMITIVES (1 << 2)
#define VC4_CONFIG_BITS_ENABLE_PRIM_BACK (1 << 1)
#define VC4_CONFIG_BITS_ENABLE_PRIM_FRONT (1 << 0)
/** @} */
/** @{ bits in the last u8 of VC4_PACKET_TILE_BINNING_MODE_CONFIG */
#define VC4_BIN_CONFIG_DB_NON_MS (1 << 7)
#define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_32 (0 << 5)
#define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_64 (1 << 5)
#define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_128 (2 << 5)
#define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_256 (3 << 5)
#define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_32 (0 << 3)
#define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_64 (1 << 3)
#define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_128 (2 << 3)
#define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_256 (3 << 3)
#define VC4_BIN_CONFIG_AUTO_INIT_TSDA (1 << 2)
#define VC4_BIN_CONFIG_TILE_BUFFER_64BIT (1 << 1)
#define VC4_BIN_CONFIG_MS_MODE_4X (1 << 0)
/** @} */
/** @{ bits in the last u16 of VC4_PACKET_TILE_RENDERING_MODE_CONFIG */
#define VC4_RENDER_CONFIG_DB_NON_MS (1 << 12)
#define VC4_RENDER_CONFIG_EARLY_Z_COVERAGE_DISABLE (1 << 11)
#define VC4_RENDER_CONFIG_EARLY_Z_DIRECTION_G (1 << 10)
#define VC4_RENDER_CONFIG_COVERAGE_MODE (1 << 9)
#define VC4_RENDER_CONFIG_ENABLE_VG_MASK (1 << 8)
#define VC4_RENDER_CONFIG_MEMORY_FORMAT_LINEAR (0 << 6)
#define VC4_RENDER_CONFIG_MEMORY_FORMAT_T (1 << 6)
#define VC4_RENDER_CONFIG_MEMORY_FORMAT_LT (2 << 6)
#define VC4_RENDER_CONFIG_DECIMATE_MODE_1X (0 << 4)
#define VC4_RENDER_CONFIG_DECIMATE_MODE_4X (1 << 4)
#define VC4_RENDER_CONFIG_DECIMATE_MODE_16X (2 << 4)
#define VC4_RENDER_CONFIG_FORMAT_BGR565 (0 << 2)
#define VC4_RENDER_CONFIG_FORMAT_RGBA8888 (1 << 2)
#define VC4_RENDER_CONFIG_FORMAT_BGR565_DITHERED (2 << 2)
#define VC4_RENDER_CONFIG_TILE_BUFFER_64BIT (1 << 1)
#define VC4_RENDER_CONFIG_MS_MODE_4X (1 << 0)
#endif /* VC4_PACKET_H */
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