400 lines
16 KiB
C
400 lines
16 KiB
C
/*
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* Copyright © 2014 Broadcom
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef VC4_PACKET_H
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#define VC4_PACKET_H
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#include "vc4_regs.h" /* for VC4_MASK, VC4_GET_FIELD, VC4_SET_FIELD */
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enum vc4_packet {
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VC4_PACKET_HALT = 0,
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VC4_PACKET_NOP = 1,
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VC4_PACKET_FLUSH = 4,
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VC4_PACKET_FLUSH_ALL = 5,
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VC4_PACKET_START_TILE_BINNING = 6,
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VC4_PACKET_INCREMENT_SEMAPHORE = 7,
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VC4_PACKET_WAIT_ON_SEMAPHORE = 8,
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VC4_PACKET_BRANCH = 16,
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VC4_PACKET_BRANCH_TO_SUB_LIST = 17,
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VC4_PACKET_STORE_MS_TILE_BUFFER = 24,
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VC4_PACKET_STORE_MS_TILE_BUFFER_AND_EOF = 25,
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VC4_PACKET_STORE_FULL_RES_TILE_BUFFER = 26,
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VC4_PACKET_LOAD_FULL_RES_TILE_BUFFER = 27,
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VC4_PACKET_STORE_TILE_BUFFER_GENERAL = 28,
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VC4_PACKET_LOAD_TILE_BUFFER_GENERAL = 29,
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VC4_PACKET_GL_INDEXED_PRIMITIVE = 32,
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VC4_PACKET_GL_ARRAY_PRIMITIVE = 33,
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VC4_PACKET_COMPRESSED_PRIMITIVE = 48,
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VC4_PACKET_CLIPPED_COMPRESSED_PRIMITIVE = 49,
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VC4_PACKET_PRIMITIVE_LIST_FORMAT = 56,
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VC4_PACKET_GL_SHADER_STATE = 64,
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VC4_PACKET_NV_SHADER_STATE = 65,
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VC4_PACKET_VG_SHADER_STATE = 66,
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VC4_PACKET_CONFIGURATION_BITS = 96,
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VC4_PACKET_FLAT_SHADE_FLAGS = 97,
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VC4_PACKET_POINT_SIZE = 98,
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VC4_PACKET_LINE_WIDTH = 99,
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VC4_PACKET_RHT_X_BOUNDARY = 100,
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VC4_PACKET_DEPTH_OFFSET = 101,
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VC4_PACKET_CLIP_WINDOW = 102,
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VC4_PACKET_VIEWPORT_OFFSET = 103,
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VC4_PACKET_Z_CLIPPING = 104,
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VC4_PACKET_CLIPPER_XY_SCALING = 105,
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VC4_PACKET_CLIPPER_Z_SCALING = 106,
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VC4_PACKET_TILE_BINNING_MODE_CONFIG = 112,
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VC4_PACKET_TILE_RENDERING_MODE_CONFIG = 113,
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VC4_PACKET_CLEAR_COLORS = 114,
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VC4_PACKET_TILE_COORDINATES = 115,
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/* Not an actual hardware packet -- this is what we use to put
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* references to GEM bos in the command stream, since we need the u32
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* int the actual address packet in order to store the offset from the
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* start of the BO.
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*/
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VC4_PACKET_GEM_HANDLES = 254,
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} __attribute__ ((__packed__));
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#define VC4_PACKET_HALT_SIZE 1
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#define VC4_PACKET_NOP_SIZE 1
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#define VC4_PACKET_FLUSH_SIZE 1
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#define VC4_PACKET_FLUSH_ALL_SIZE 1
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#define VC4_PACKET_START_TILE_BINNING_SIZE 1
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#define VC4_PACKET_INCREMENT_SEMAPHORE_SIZE 1
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#define VC4_PACKET_WAIT_ON_SEMAPHORE_SIZE 1
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#define VC4_PACKET_BRANCH_SIZE 5
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#define VC4_PACKET_BRANCH_TO_SUB_LIST_SIZE 5
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#define VC4_PACKET_STORE_MS_TILE_BUFFER_SIZE 1
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#define VC4_PACKET_STORE_MS_TILE_BUFFER_AND_EOF_SIZE 1
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#define VC4_PACKET_STORE_FULL_RES_TILE_BUFFER_SIZE 5
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#define VC4_PACKET_LOAD_FULL_RES_TILE_BUFFER_SIZE 5
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#define VC4_PACKET_STORE_TILE_BUFFER_GENERAL_SIZE 7
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#define VC4_PACKET_LOAD_TILE_BUFFER_GENERAL_SIZE 7
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#define VC4_PACKET_GL_INDEXED_PRIMITIVE_SIZE 14
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#define VC4_PACKET_GL_ARRAY_PRIMITIVE_SIZE 10
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#define VC4_PACKET_COMPRESSED_PRIMITIVE_SIZE 1
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#define VC4_PACKET_CLIPPED_COMPRESSED_PRIMITIVE_SIZE 1
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#define VC4_PACKET_PRIMITIVE_LIST_FORMAT_SIZE 2
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#define VC4_PACKET_GL_SHADER_STATE_SIZE 5
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#define VC4_PACKET_NV_SHADER_STATE_SIZE 5
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#define VC4_PACKET_VG_SHADER_STATE_SIZE 5
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#define VC4_PACKET_CONFIGURATION_BITS_SIZE 4
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#define VC4_PACKET_FLAT_SHADE_FLAGS_SIZE 5
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#define VC4_PACKET_POINT_SIZE_SIZE 5
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#define VC4_PACKET_LINE_WIDTH_SIZE 5
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#define VC4_PACKET_RHT_X_BOUNDARY_SIZE 3
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#define VC4_PACKET_DEPTH_OFFSET_SIZE 5
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#define VC4_PACKET_CLIP_WINDOW_SIZE 9
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#define VC4_PACKET_VIEWPORT_OFFSET_SIZE 5
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#define VC4_PACKET_Z_CLIPPING_SIZE 9
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#define VC4_PACKET_CLIPPER_XY_SCALING_SIZE 9
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#define VC4_PACKET_CLIPPER_Z_SCALING_SIZE 9
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#define VC4_PACKET_TILE_BINNING_MODE_CONFIG_SIZE 16
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#define VC4_PACKET_TILE_RENDERING_MODE_CONFIG_SIZE 11
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#define VC4_PACKET_CLEAR_COLORS_SIZE 14
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#define VC4_PACKET_TILE_COORDINATES_SIZE 3
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#define VC4_PACKET_GEM_HANDLES_SIZE 9
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/* Number of multisamples supported. */
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#define VC4_MAX_SAMPLES 4
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/* Size of a full resolution color or Z tile buffer load/store. */
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#define VC4_TILE_BUFFER_SIZE (64 * 64 * 4)
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/** @{
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* Bits used by packets like VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
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* VC4_PACKET_TILE_RENDERING_MODE_CONFIG.
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*/
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#define VC4_TILING_FORMAT_LINEAR 0
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#define VC4_TILING_FORMAT_T 1
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#define VC4_TILING_FORMAT_LT 2
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/** @} */
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/** @{
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*
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* low bits of VC4_PACKET_STORE_FULL_RES_TILE_BUFFER and
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* VC4_PACKET_LOAD_FULL_RES_TILE_BUFFER.
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*/
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#define VC4_LOADSTORE_FULL_RES_EOF BIT(3)
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#define VC4_LOADSTORE_FULL_RES_DISABLE_CLEAR_ALL BIT(2)
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#define VC4_LOADSTORE_FULL_RES_DISABLE_ZS BIT(1)
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#define VC4_LOADSTORE_FULL_RES_DISABLE_COLOR BIT(0)
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/** @{
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*
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* low bits of VC4_PACKET_STORE_FULL_RES_TILE_BUFFER and
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* VC4_PACKET_LOAD_FULL_RES_TILE_BUFFER.
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*/
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#define VC4_LOADSTORE_FULL_RES_EOF BIT(3)
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#define VC4_LOADSTORE_FULL_RES_DISABLE_CLEAR_ALL BIT(2)
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#define VC4_LOADSTORE_FULL_RES_DISABLE_ZS BIT(1)
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#define VC4_LOADSTORE_FULL_RES_DISABLE_COLOR BIT(0)
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/** @{
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*
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* byte 2 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
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* VC4_PACKET_LOAD_TILE_BUFFER_GENERAL (low bits of the address)
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*/
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#define VC4_LOADSTORE_TILE_BUFFER_EOF BIT(3)
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#define VC4_LOADSTORE_TILE_BUFFER_DISABLE_FULL_VG_MASK BIT(2)
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#define VC4_LOADSTORE_TILE_BUFFER_DISABLE_FULL_ZS BIT(1)
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#define VC4_LOADSTORE_TILE_BUFFER_DISABLE_FULL_COLOR BIT(0)
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/** @} */
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/** @{
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*
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* byte 0-1 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
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* VC4_PACKET_LOAD_TILE_BUFFER_GENERAL
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*/
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#define VC4_STORE_TILE_BUFFER_DISABLE_VG_MASK_CLEAR BIT(15)
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#define VC4_STORE_TILE_BUFFER_DISABLE_ZS_CLEAR BIT(14)
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#define VC4_STORE_TILE_BUFFER_DISABLE_COLOR_CLEAR BIT(13)
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#define VC4_STORE_TILE_BUFFER_DISABLE_SWAP BIT(12)
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#define VC4_LOADSTORE_TILE_BUFFER_FORMAT_MASK VC4_MASK(9, 8)
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#define VC4_LOADSTORE_TILE_BUFFER_FORMAT_SHIFT 8
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#define VC4_LOADSTORE_TILE_BUFFER_RGBA8888 0
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#define VC4_LOADSTORE_TILE_BUFFER_BGR565_DITHER 1
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#define VC4_LOADSTORE_TILE_BUFFER_BGR565 2
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/** @} */
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/** @{
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*
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* byte 0 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
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* VC4_PACKET_LOAD_TILE_BUFFER_GENERAL
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*/
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#define VC4_STORE_TILE_BUFFER_MODE_MASK VC4_MASK(7, 6)
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#define VC4_STORE_TILE_BUFFER_MODE_SHIFT 6
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#define VC4_STORE_TILE_BUFFER_MODE_SAMPLE0 (0 << 6)
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#define VC4_STORE_TILE_BUFFER_MODE_DECIMATE_X4 (1 << 6)
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#define VC4_STORE_TILE_BUFFER_MODE_DECIMATE_X16 (2 << 6)
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/** The values of the field are VC4_TILING_FORMAT_* */
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#define VC4_LOADSTORE_TILE_BUFFER_TILING_MASK VC4_MASK(5, 4)
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#define VC4_LOADSTORE_TILE_BUFFER_TILING_SHIFT 4
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#define VC4_LOADSTORE_TILE_BUFFER_BUFFER_MASK VC4_MASK(2, 0)
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#define VC4_LOADSTORE_TILE_BUFFER_BUFFER_SHIFT 0
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#define VC4_LOADSTORE_TILE_BUFFER_NONE 0
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#define VC4_LOADSTORE_TILE_BUFFER_COLOR 1
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#define VC4_LOADSTORE_TILE_BUFFER_ZS 2
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#define VC4_LOADSTORE_TILE_BUFFER_Z 3
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#define VC4_LOADSTORE_TILE_BUFFER_VG_MASK 4
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#define VC4_LOADSTORE_TILE_BUFFER_FULL 5
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/** @} */
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#define VC4_INDEX_BUFFER_U8 (0 << 4)
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#define VC4_INDEX_BUFFER_U16 (1 << 4)
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/* This flag is only present in NV shader state. */
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#define VC4_SHADER_FLAG_SHADED_CLIP_COORDS BIT(3)
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#define VC4_SHADER_FLAG_ENABLE_CLIPPING BIT(2)
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#define VC4_SHADER_FLAG_VS_POINT_SIZE BIT(1)
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#define VC4_SHADER_FLAG_FS_SINGLE_THREAD BIT(0)
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/** @{ byte 2 of config bits. */
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#define VC4_CONFIG_BITS_EARLY_Z_UPDATE BIT(1)
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#define VC4_CONFIG_BITS_EARLY_Z BIT(0)
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/** @} */
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/** @{ byte 1 of config bits. */
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#define VC4_CONFIG_BITS_Z_UPDATE BIT(7)
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/** same values in this 3-bit field as PIPE_FUNC_* */
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#define VC4_CONFIG_BITS_DEPTH_FUNC_SHIFT 4
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#define VC4_CONFIG_BITS_COVERAGE_READ_LEAVE BIT(3)
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#define VC4_CONFIG_BITS_COVERAGE_UPDATE_NONZERO (0 << 1)
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#define VC4_CONFIG_BITS_COVERAGE_UPDATE_ODD (1 << 1)
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#define VC4_CONFIG_BITS_COVERAGE_UPDATE_OR (2 << 1)
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#define VC4_CONFIG_BITS_COVERAGE_UPDATE_ZERO (3 << 1)
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#define VC4_CONFIG_BITS_COVERAGE_PIPE_SELECT BIT(0)
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/** @} */
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/** @{ byte 0 of config bits. */
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#define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_NONE (0 << 6)
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#define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_4X (1 << 6)
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#define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_16X (2 << 6)
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#define VC4_CONFIG_BITS_AA_POINTS_AND_LINES BIT(4)
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#define VC4_CONFIG_BITS_ENABLE_DEPTH_OFFSET BIT(3)
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#define VC4_CONFIG_BITS_CW_PRIMITIVES BIT(2)
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#define VC4_CONFIG_BITS_ENABLE_PRIM_BACK BIT(1)
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#define VC4_CONFIG_BITS_ENABLE_PRIM_FRONT BIT(0)
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/** @} */
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/** @{ bits in the last u8 of VC4_PACKET_TILE_BINNING_MODE_CONFIG */
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#define VC4_BIN_CONFIG_DB_NON_MS BIT(7)
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#define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_MASK VC4_MASK(6, 5)
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#define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_SHIFT 5
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#define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_32 0
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#define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_64 1
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#define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_128 2
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#define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_256 3
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#define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_MASK VC4_MASK(4, 3)
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#define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_SHIFT 3
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#define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_32 0
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#define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_64 1
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#define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_128 2
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#define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_256 3
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#define VC4_BIN_CONFIG_AUTO_INIT_TSDA BIT(2)
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#define VC4_BIN_CONFIG_TILE_BUFFER_64BIT BIT(1)
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#define VC4_BIN_CONFIG_MS_MODE_4X BIT(0)
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/** @} */
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/** @{ bits in the last u16 of VC4_PACKET_TILE_RENDERING_MODE_CONFIG */
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#define VC4_RENDER_CONFIG_DB_NON_MS BIT(12)
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#define VC4_RENDER_CONFIG_EARLY_Z_COVERAGE_DISABLE BIT(11)
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#define VC4_RENDER_CONFIG_EARLY_Z_DIRECTION_G BIT(10)
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#define VC4_RENDER_CONFIG_COVERAGE_MODE BIT(9)
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#define VC4_RENDER_CONFIG_ENABLE_VG_MASK BIT(8)
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/** The values of the field are VC4_TILING_FORMAT_* */
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#define VC4_RENDER_CONFIG_MEMORY_FORMAT_MASK VC4_MASK(7, 6)
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#define VC4_RENDER_CONFIG_MEMORY_FORMAT_SHIFT 6
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#define VC4_RENDER_CONFIG_DECIMATE_MODE_1X (0 << 4)
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#define VC4_RENDER_CONFIG_DECIMATE_MODE_4X (1 << 4)
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#define VC4_RENDER_CONFIG_DECIMATE_MODE_16X (2 << 4)
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#define VC4_RENDER_CONFIG_FORMAT_MASK VC4_MASK(3, 2)
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#define VC4_RENDER_CONFIG_FORMAT_SHIFT 2
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#define VC4_RENDER_CONFIG_FORMAT_BGR565_DITHERED 0
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#define VC4_RENDER_CONFIG_FORMAT_RGBA8888 1
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#define VC4_RENDER_CONFIG_FORMAT_BGR565 2
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#define VC4_RENDER_CONFIG_TILE_BUFFER_64BIT BIT(1)
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#define VC4_RENDER_CONFIG_MS_MODE_4X BIT(0)
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#define VC4_PRIMITIVE_LIST_FORMAT_16_INDEX (1 << 4)
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#define VC4_PRIMITIVE_LIST_FORMAT_32_XY (3 << 4)
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#define VC4_PRIMITIVE_LIST_FORMAT_TYPE_POINTS (0 << 0)
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#define VC4_PRIMITIVE_LIST_FORMAT_TYPE_LINES (1 << 0)
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#define VC4_PRIMITIVE_LIST_FORMAT_TYPE_TRIANGLES (2 << 0)
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#define VC4_PRIMITIVE_LIST_FORMAT_TYPE_RHT (3 << 0)
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enum vc4_texture_data_type {
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VC4_TEXTURE_TYPE_RGBA8888 = 0,
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VC4_TEXTURE_TYPE_RGBX8888 = 1,
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VC4_TEXTURE_TYPE_RGBA4444 = 2,
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VC4_TEXTURE_TYPE_RGBA5551 = 3,
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VC4_TEXTURE_TYPE_RGB565 = 4,
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VC4_TEXTURE_TYPE_LUMINANCE = 5,
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VC4_TEXTURE_TYPE_ALPHA = 6,
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VC4_TEXTURE_TYPE_LUMALPHA = 7,
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VC4_TEXTURE_TYPE_ETC1 = 8,
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VC4_TEXTURE_TYPE_S16F = 9,
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VC4_TEXTURE_TYPE_S8 = 10,
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VC4_TEXTURE_TYPE_S16 = 11,
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VC4_TEXTURE_TYPE_BW1 = 12,
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VC4_TEXTURE_TYPE_A4 = 13,
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VC4_TEXTURE_TYPE_A1 = 14,
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VC4_TEXTURE_TYPE_RGBA64 = 15,
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VC4_TEXTURE_TYPE_RGBA32R = 16,
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VC4_TEXTURE_TYPE_YUV422R = 17,
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};
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#define VC4_TEX_P0_OFFSET_MASK VC4_MASK(31, 12)
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#define VC4_TEX_P0_OFFSET_SHIFT 12
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#define VC4_TEX_P0_CSWIZ_MASK VC4_MASK(11, 10)
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#define VC4_TEX_P0_CSWIZ_SHIFT 10
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#define VC4_TEX_P0_CMMODE_MASK VC4_MASK(9, 9)
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#define VC4_TEX_P0_CMMODE_SHIFT 9
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#define VC4_TEX_P0_FLIPY_MASK VC4_MASK(8, 8)
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#define VC4_TEX_P0_FLIPY_SHIFT 8
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#define VC4_TEX_P0_TYPE_MASK VC4_MASK(7, 4)
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#define VC4_TEX_P0_TYPE_SHIFT 4
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#define VC4_TEX_P0_MIPLVLS_MASK VC4_MASK(3, 0)
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#define VC4_TEX_P0_MIPLVLS_SHIFT 0
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#define VC4_TEX_P1_TYPE4_MASK VC4_MASK(31, 31)
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#define VC4_TEX_P1_TYPE4_SHIFT 31
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#define VC4_TEX_P1_HEIGHT_MASK VC4_MASK(30, 20)
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#define VC4_TEX_P1_HEIGHT_SHIFT 20
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#define VC4_TEX_P1_ETCFLIP_MASK VC4_MASK(19, 19)
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#define VC4_TEX_P1_ETCFLIP_SHIFT 19
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#define VC4_TEX_P1_WIDTH_MASK VC4_MASK(18, 8)
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#define VC4_TEX_P1_WIDTH_SHIFT 8
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#define VC4_TEX_P1_MAGFILT_MASK VC4_MASK(7, 7)
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#define VC4_TEX_P1_MAGFILT_SHIFT 7
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# define VC4_TEX_P1_MAGFILT_LINEAR 0
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# define VC4_TEX_P1_MAGFILT_NEAREST 1
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#define VC4_TEX_P1_MINFILT_MASK VC4_MASK(6, 4)
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#define VC4_TEX_P1_MINFILT_SHIFT 4
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# define VC4_TEX_P1_MINFILT_LINEAR 0
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# define VC4_TEX_P1_MINFILT_NEAREST 1
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# define VC4_TEX_P1_MINFILT_NEAR_MIP_NEAR 2
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# define VC4_TEX_P1_MINFILT_NEAR_MIP_LIN 3
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# define VC4_TEX_P1_MINFILT_LIN_MIP_NEAR 4
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# define VC4_TEX_P1_MINFILT_LIN_MIP_LIN 5
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#define VC4_TEX_P1_WRAP_T_MASK VC4_MASK(3, 2)
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#define VC4_TEX_P1_WRAP_T_SHIFT 2
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#define VC4_TEX_P1_WRAP_S_MASK VC4_MASK(1, 0)
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#define VC4_TEX_P1_WRAP_S_SHIFT 0
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# define VC4_TEX_P1_WRAP_REPEAT 0
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# define VC4_TEX_P1_WRAP_CLAMP 1
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# define VC4_TEX_P1_WRAP_MIRROR 2
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# define VC4_TEX_P1_WRAP_BORDER 3
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#define VC4_TEX_P2_PTYPE_MASK VC4_MASK(31, 30)
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#define VC4_TEX_P2_PTYPE_SHIFT 30
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# define VC4_TEX_P2_PTYPE_IGNORED 0
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# define VC4_TEX_P2_PTYPE_CUBE_MAP_STRIDE 1
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# define VC4_TEX_P2_PTYPE_CHILD_IMAGE_DIMENSIONS 2
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# define VC4_TEX_P2_PTYPE_CHILD_IMAGE_OFFSETS 3
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/* VC4_TEX_P2_PTYPE_CUBE_MAP_STRIDE bits */
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#define VC4_TEX_P2_CMST_MASK VC4_MASK(29, 12)
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#define VC4_TEX_P2_CMST_SHIFT 12
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#define VC4_TEX_P2_BSLOD_MASK VC4_MASK(0, 0)
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#define VC4_TEX_P2_BSLOD_SHIFT 0
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/* VC4_TEX_P2_PTYPE_CHILD_IMAGE_DIMENSIONS */
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#define VC4_TEX_P2_CHEIGHT_MASK VC4_MASK(22, 12)
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#define VC4_TEX_P2_CHEIGHT_SHIFT 12
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#define VC4_TEX_P2_CWIDTH_MASK VC4_MASK(10, 0)
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#define VC4_TEX_P2_CWIDTH_SHIFT 0
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/* VC4_TEX_P2_PTYPE_CHILD_IMAGE_OFFSETS */
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#define VC4_TEX_P2_CYOFF_MASK VC4_MASK(22, 12)
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#define VC4_TEX_P2_CYOFF_SHIFT 12
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#define VC4_TEX_P2_CXOFF_MASK VC4_MASK(10, 0)
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#define VC4_TEX_P2_CXOFF_SHIFT 0
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#endif /* VC4_PACKET_H */
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