mirror of https://gitlab.freedesktop.org/mesa/mesa
924 lines
31 KiB
C
924 lines
31 KiB
C
/*
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* Copyright © 2017 Intel Corporation
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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 shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR 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
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* DEALINGS IN THE SOFTWARE.
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*/
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/**
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* @file iris_screen.c
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*
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* Screen related driver hooks and capability lists.
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*
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* A program may use multiple rendering contexts (iris_context), but
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* they all share a common screen (iris_screen). Global driver state
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* can be stored in the screen; it may be accessed by multiple threads.
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*/
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#include <stdio.h>
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#include <errno.h>
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#include <sys/ioctl.h>
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#include "pipe/p_defines.h"
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#include "pipe/p_state.h"
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#include "pipe/p_context.h"
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#include "pipe/p_screen.h"
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#include "util/u_debug.h"
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#include "util/os_file.h"
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#include "util/u_cpu_detect.h"
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#include "util/u_inlines.h"
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#include "util/format/u_format.h"
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#include "util/u_transfer_helper.h"
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#include "util/u_upload_mgr.h"
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#include "util/ralloc.h"
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#include "util/xmlconfig.h"
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#include "iris_context.h"
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#include "iris_defines.h"
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#include "iris_fence.h"
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#include "iris_pipe.h"
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#include "iris_resource.h"
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#include "iris_screen.h"
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#include "compiler/glsl_types.h"
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#include "intel/common/intel_gem.h"
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#include "intel/common/intel_l3_config.h"
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#include "intel/common/intel_uuid.h"
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#include "iris_monitor.h"
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#define genX_call(devinfo, func, ...) \
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switch ((devinfo)->verx10) { \
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case 200: \
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gfx20_##func(__VA_ARGS__); \
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break; \
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case 125: \
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gfx125_##func(__VA_ARGS__); \
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break; \
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case 120: \
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gfx12_##func(__VA_ARGS__); \
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break; \
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case 110: \
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gfx11_##func(__VA_ARGS__); \
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break; \
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case 90: \
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gfx9_##func(__VA_ARGS__); \
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break; \
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case 80: \
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gfx8_##func(__VA_ARGS__); \
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break; \
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default: \
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unreachable("Unknown hardware generation"); \
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}
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static const char *
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iris_get_vendor(struct pipe_screen *pscreen)
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{
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return "Intel";
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}
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static const char *
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iris_get_device_vendor(struct pipe_screen *pscreen)
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{
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return "Intel";
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}
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static void
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iris_get_device_uuid(struct pipe_screen *pscreen, char *uuid)
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{
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struct iris_screen *screen = (struct iris_screen *)pscreen;
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intel_uuid_compute_device_id((uint8_t *)uuid, screen->devinfo, PIPE_UUID_SIZE);
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}
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static void
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iris_get_driver_uuid(struct pipe_screen *pscreen, char *uuid)
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{
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struct iris_screen *screen = (struct iris_screen *)pscreen;
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const struct intel_device_info *devinfo = screen->devinfo;
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intel_uuid_compute_driver_id((uint8_t *)uuid, devinfo, PIPE_UUID_SIZE);
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}
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static bool
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iris_enable_clover()
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{
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static int enable = -1;
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if (enable < 0)
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enable = debug_get_bool_option("IRIS_ENABLE_CLOVER", false);
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return enable;
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}
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static void
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iris_warn_cl()
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{
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static bool warned = false;
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if (warned)
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return;
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warned = true;
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fprintf(stderr, "WARNING: OpenCL support via iris driver is incomplete.\n"
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"For a complete and conformant OpenCL implementation, use\n"
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"https://github.com/intel/compute-runtime instead\n");
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}
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static const char *
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iris_get_name(struct pipe_screen *pscreen)
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{
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struct iris_screen *screen = (struct iris_screen *)pscreen;
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const struct intel_device_info *devinfo = screen->devinfo;
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static char buf[128];
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snprintf(buf, sizeof(buf), "Mesa %s", devinfo->name);
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return buf;
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}
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static const char *
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iris_get_cl_cts_version(struct pipe_screen *pscreen)
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{
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struct iris_screen *screen = (struct iris_screen *)pscreen;
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const struct intel_device_info *devinfo = screen->devinfo;
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/* https://www.khronos.org/conformance/adopters/conformant-products/opencl#submission_405 */
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if (devinfo->verx10 == 120)
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return "v2022-04-22-00";
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return NULL;
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}
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static int
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iris_get_video_memory(struct iris_screen *screen)
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{
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uint64_t vram = iris_bufmgr_vram_size(screen->bufmgr);
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uint64_t sram = iris_bufmgr_sram_size(screen->bufmgr);
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if (vram) {
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return vram / (1024 * 1024);
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} else if (sram) {
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return sram / (1024 * 1024);
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} else {
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/* This is the old code path, it get the GGTT size from the kernel
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* (which should always be 4Gb on Gfx8+).
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*
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* We should probably never end up here. This is just a fallback to get
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* some kind of value in case os_get_available_system_memory fails.
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*/
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const struct intel_device_info *devinfo = screen->devinfo;
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/* Once a batch uses more than 75% of the maximum mappable size, we
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* assume that there's some fragmentation, and we start doing extra
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* flushing, etc. That's the big cliff apps will care about.
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*/
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const unsigned gpu_mappable_megabytes =
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(devinfo->aperture_bytes * 3 / 4) / (1024 * 1024);
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const long system_memory_pages = sysconf(_SC_PHYS_PAGES);
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const long system_page_size = sysconf(_SC_PAGE_SIZE);
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if (system_memory_pages <= 0 || system_page_size <= 0)
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return -1;
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const uint64_t system_memory_bytes =
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(uint64_t) system_memory_pages * (uint64_t) system_page_size;
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const unsigned system_memory_megabytes =
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(unsigned) (system_memory_bytes / (1024 * 1024));
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return MIN2(system_memory_megabytes, gpu_mappable_megabytes);
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}
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}
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static int
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iris_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
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{
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struct iris_screen *screen = (struct iris_screen *)pscreen;
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const struct intel_device_info *devinfo = screen->devinfo;
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switch (param) {
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case PIPE_CAP_NPOT_TEXTURES:
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case PIPE_CAP_ANISOTROPIC_FILTER:
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case PIPE_CAP_OCCLUSION_QUERY:
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case PIPE_CAP_QUERY_TIME_ELAPSED:
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case PIPE_CAP_TEXTURE_SWIZZLE:
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case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE:
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case PIPE_CAP_BLEND_EQUATION_SEPARATE:
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case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD:
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case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES:
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case PIPE_CAP_PRIMITIVE_RESTART:
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case PIPE_CAP_PRIMITIVE_RESTART_FIXED_INDEX:
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case PIPE_CAP_INDEP_BLEND_ENABLE:
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case PIPE_CAP_INDEP_BLEND_FUNC:
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case PIPE_CAP_FS_COORD_ORIGIN_UPPER_LEFT:
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case PIPE_CAP_FS_COORD_PIXEL_CENTER_INTEGER:
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case PIPE_CAP_DEPTH_CLIP_DISABLE:
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case PIPE_CAP_VS_INSTANCEID:
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case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
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case PIPE_CAP_SEAMLESS_CUBE_MAP:
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case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
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case PIPE_CAP_CONDITIONAL_RENDER:
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case PIPE_CAP_TEXTURE_BARRIER:
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case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
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case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
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case PIPE_CAP_COMPUTE:
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case PIPE_CAP_START_INSTANCE:
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case PIPE_CAP_QUERY_TIMESTAMP:
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case PIPE_CAP_TEXTURE_MULTISAMPLE:
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case PIPE_CAP_CUBE_MAP_ARRAY:
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case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
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case PIPE_CAP_QUERY_PIPELINE_STATISTICS_SINGLE:
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case PIPE_CAP_TEXTURE_QUERY_LOD:
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case PIPE_CAP_SAMPLE_SHADING:
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case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
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case PIPE_CAP_DRAW_INDIRECT:
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case PIPE_CAP_MULTI_DRAW_INDIRECT:
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case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
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case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
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case PIPE_CAP_VS_LAYER_VIEWPORT:
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case PIPE_CAP_TES_LAYER_VIEWPORT:
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case PIPE_CAP_FS_FINE_DERIVATIVE:
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case PIPE_CAP_SHADER_PACK_HALF_FLOAT:
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case PIPE_CAP_ACCELERATED:
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case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
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case PIPE_CAP_CLIP_HALFZ:
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case PIPE_CAP_TGSI_TEXCOORD:
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case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
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case PIPE_CAP_DOUBLES:
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case PIPE_CAP_INT64:
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case PIPE_CAP_SAMPLER_VIEW_TARGET:
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case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
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case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
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case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
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case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
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case PIPE_CAP_CULL_DISTANCE:
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case PIPE_CAP_PACKED_UNIFORMS:
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case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
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case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
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case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
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case PIPE_CAP_POLYGON_OFFSET_CLAMP:
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case PIPE_CAP_QUERY_SO_OVERFLOW:
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case PIPE_CAP_QUERY_BUFFER_OBJECT:
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case PIPE_CAP_TGSI_TEX_TXF_LZ:
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case PIPE_CAP_TEXTURE_QUERY_SAMPLES:
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case PIPE_CAP_SHADER_CLOCK:
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case PIPE_CAP_SHADER_BALLOT:
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case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
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case PIPE_CAP_CLEAR_SCISSORED:
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case PIPE_CAP_SHADER_GROUP_VOTE:
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case PIPE_CAP_VS_WINDOW_SPACE_POSITION:
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case PIPE_CAP_TEXTURE_GATHER_SM5:
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case PIPE_CAP_SHADER_ARRAY_COMPONENTS:
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case PIPE_CAP_GLSL_TESS_LEVELS_AS_INPUTS:
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case PIPE_CAP_LOAD_CONSTBUF:
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case PIPE_CAP_DRAW_PARAMETERS:
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case PIPE_CAP_FS_POSITION_IS_SYSVAL:
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case PIPE_CAP_FS_FACE_IS_INTEGER_SYSVAL:
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case PIPE_CAP_COMPUTE_SHADER_DERIVATIVES:
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case PIPE_CAP_INVALIDATE_BUFFER:
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case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
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case PIPE_CAP_TEXTURE_SHADOW_LOD:
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case PIPE_CAP_SHADER_SAMPLES_IDENTICAL:
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case PIPE_CAP_GL_SPIRV:
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case PIPE_CAP_GL_SPIRV_VARIABLE_POINTERS:
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case PIPE_CAP_DEMOTE_TO_HELPER_INVOCATION:
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case PIPE_CAP_NATIVE_FENCE_FD:
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case PIPE_CAP_MEMOBJ:
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case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
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case PIPE_CAP_FENCE_SIGNAL:
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case PIPE_CAP_IMAGE_STORE_FORMATTED:
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case PIPE_CAP_LEGACY_MATH_RULES:
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case PIPE_CAP_ALPHA_TO_COVERAGE_DITHER_CONTROL:
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case PIPE_CAP_MAP_UNSYNCHRONIZED_THREAD_SAFE:
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case PIPE_CAP_HAS_CONST_BW:
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case PIPE_CAP_CL_GL_SHARING:
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return true;
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case PIPE_CAP_UMA:
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return iris_bufmgr_vram_size(screen->bufmgr) == 0;
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case PIPE_CAP_QUERY_MEMORY_INFO:
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return iris_bufmgr_vram_size(screen->bufmgr) != 0;
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case PIPE_CAP_PREFER_BACK_BUFFER_REUSE:
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return false;
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case PIPE_CAP_FBFETCH:
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return IRIS_MAX_DRAW_BUFFERS;
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case PIPE_CAP_FBFETCH_COHERENT:
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return devinfo->ver >= 9 && devinfo->ver < 20;
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case PIPE_CAP_CONSERVATIVE_RASTER_INNER_COVERAGE:
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case PIPE_CAP_POST_DEPTH_COVERAGE:
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case PIPE_CAP_SHADER_STENCIL_EXPORT:
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case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE:
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case PIPE_CAP_FRAGMENT_SHADER_INTERLOCK:
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case PIPE_CAP_ATOMIC_FLOAT_MINMAX:
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return devinfo->ver >= 9;
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case PIPE_CAP_DEPTH_BOUNDS_TEST:
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return devinfo->ver >= 12;
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case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
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return 1;
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case PIPE_CAP_MAX_RENDER_TARGETS:
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return IRIS_MAX_DRAW_BUFFERS;
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case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
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return 16384;
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case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
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return IRIS_MAX_MIPLEVELS; /* 16384x16384 */
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case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
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return 12; /* 2048x2048 */
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case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
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return 4;
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case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
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return 2048;
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case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
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return IRIS_MAX_SOL_BINDINGS / IRIS_MAX_SOL_BUFFERS;
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case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
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return IRIS_MAX_SOL_BINDINGS;
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case PIPE_CAP_GLSL_FEATURE_LEVEL:
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case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
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return 460;
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case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
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/* 3DSTATE_CONSTANT_XS requires the start of UBOs to be 32B aligned */
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return 32;
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case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
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return IRIS_MAP_BUFFER_ALIGNMENT;
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case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
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return 4;
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case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
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return 1 << 27;
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case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
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return 16; // XXX: u_screen says 256 is the minimum value...
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case PIPE_CAP_LINEAR_IMAGE_PITCH_ALIGNMENT:
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return 1;
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case PIPE_CAP_LINEAR_IMAGE_BASE_ADDRESS_ALIGNMENT:
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return 1;
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case PIPE_CAP_TEXTURE_TRANSFER_MODES:
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return PIPE_TEXTURE_TRANSFER_BLIT;
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case PIPE_CAP_MAX_TEXEL_BUFFER_ELEMENTS_UINT:
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return IRIS_MAX_TEXTURE_BUFFER_SIZE;
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case PIPE_CAP_MAX_VIEWPORTS:
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return 16;
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case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
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return 256;
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case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
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return 1024;
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case PIPE_CAP_MAX_GS_INVOCATIONS:
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return 32;
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case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
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return 4;
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case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
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return -32;
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case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
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return 31;
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case PIPE_CAP_MAX_VERTEX_STREAMS:
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return 4;
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case PIPE_CAP_VENDOR_ID:
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return 0x8086;
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case PIPE_CAP_DEVICE_ID:
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return screen->devinfo->pci_device_id;
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case PIPE_CAP_VIDEO_MEMORY:
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return iris_get_video_memory(screen);
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case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
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case PIPE_CAP_MAX_VARYINGS:
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return 32;
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case PIPE_CAP_PREFER_IMM_ARRAYS_AS_CONSTBUF:
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/* We want immediate arrays to go get uploaded as nir->constant_data by
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* nir_opt_large_constants() instead.
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*/
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return 0;
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case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
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/* AMD_pinned_memory assumes the flexibility of using client memory
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* for any buffer (incl. vertex buffers) which rules out the prospect
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* of using snooped buffers, as using snooped buffers without
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* cogniscience is likely to be detrimental to performance and require
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* extensive checking in the driver for correctness, e.g. to prevent
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* illegal snoop <-> snoop transfers.
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*/
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return devinfo->has_llc;
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case PIPE_CAP_THROTTLE:
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return screen->driconf.disable_throttling ? 0 : 1;
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case PIPE_CAP_CONTEXT_PRIORITY_MASK:
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return PIPE_CONTEXT_PRIORITY_LOW |
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PIPE_CONTEXT_PRIORITY_MEDIUM |
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PIPE_CONTEXT_PRIORITY_HIGH;
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case PIPE_CAP_FRONTEND_NOOP:
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return true;
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// XXX: don't hardcode 00:00:02.0 PCI here
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case PIPE_CAP_PCI_GROUP:
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return 0;
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case PIPE_CAP_PCI_BUS:
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return 0;
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case PIPE_CAP_PCI_DEVICE:
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return 2;
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case PIPE_CAP_PCI_FUNCTION:
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return 0;
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case PIPE_CAP_OPENCL_INTEGER_FUNCTIONS:
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case PIPE_CAP_INTEGER_MULTIPLY_32X16:
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return true;
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case PIPE_CAP_ALLOW_DYNAMIC_VAO_FASTPATH:
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/* Internal details of VF cache make this optimization harmful on GFX
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* version 8 and 9, because generated VERTEX_BUFFER_STATEs are cached
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* separately.
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*/
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return devinfo->ver >= 11;
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case PIPE_CAP_TIMER_RESOLUTION:
|
|
return DIV_ROUND_UP(1000000000ull, devinfo->timestamp_frequency);
|
|
|
|
case PIPE_CAP_DEVICE_PROTECTED_CONTEXT:
|
|
return screen->kernel_features & KERNEL_HAS_PROTECTED_CONTEXT;
|
|
|
|
case PIPE_CAP_ASTC_VOID_EXTENTS_NEED_DENORM_FLUSH:
|
|
return devinfo->ver == 9 && !intel_device_info_is_9lp(devinfo);
|
|
|
|
default:
|
|
return u_pipe_screen_get_param_defaults(pscreen, param);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static float
|
|
iris_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
|
|
{
|
|
switch (param) {
|
|
case PIPE_CAPF_MIN_LINE_WIDTH:
|
|
case PIPE_CAPF_MIN_LINE_WIDTH_AA:
|
|
case PIPE_CAPF_MIN_POINT_SIZE:
|
|
case PIPE_CAPF_MIN_POINT_SIZE_AA:
|
|
return 1;
|
|
|
|
case PIPE_CAPF_POINT_SIZE_GRANULARITY:
|
|
case PIPE_CAPF_LINE_WIDTH_GRANULARITY:
|
|
return 0.1;
|
|
|
|
case PIPE_CAPF_MAX_LINE_WIDTH:
|
|
case PIPE_CAPF_MAX_LINE_WIDTH_AA:
|
|
return 7.375f;
|
|
|
|
case PIPE_CAPF_MAX_POINT_SIZE:
|
|
case PIPE_CAPF_MAX_POINT_SIZE_AA:
|
|
return 255.0f;
|
|
|
|
case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
|
|
return 16.0f;
|
|
case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
|
|
return 15.0f;
|
|
case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
|
|
case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
|
|
case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
|
|
return 0.0f;
|
|
default:
|
|
unreachable("unknown param");
|
|
}
|
|
}
|
|
|
|
static int
|
|
iris_get_shader_param(struct pipe_screen *pscreen,
|
|
enum pipe_shader_type p_stage,
|
|
enum pipe_shader_cap param)
|
|
{
|
|
gl_shader_stage stage = stage_from_pipe(p_stage);
|
|
|
|
if (p_stage == PIPE_SHADER_MESH ||
|
|
p_stage == PIPE_SHADER_TASK)
|
|
return 0;
|
|
|
|
/* this is probably not totally correct.. but it's a start: */
|
|
switch (param) {
|
|
case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
|
|
return stage == MESA_SHADER_FRAGMENT ? 1024 : 16384;
|
|
case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
|
|
case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
|
|
case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
|
|
return stage == MESA_SHADER_FRAGMENT ? 1024 : 0;
|
|
|
|
case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
|
|
return UINT_MAX;
|
|
|
|
case PIPE_SHADER_CAP_MAX_INPUTS:
|
|
return stage == MESA_SHADER_VERTEX ? 16 : 32;
|
|
case PIPE_SHADER_CAP_MAX_OUTPUTS:
|
|
return 32;
|
|
case PIPE_SHADER_CAP_MAX_CONST_BUFFER0_SIZE:
|
|
return 16 * 1024 * sizeof(float);
|
|
case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
|
|
return 16;
|
|
case PIPE_SHADER_CAP_MAX_TEMPS:
|
|
return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
|
|
case PIPE_SHADER_CAP_CONT_SUPPORTED:
|
|
return 0;
|
|
case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
|
|
case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
|
|
case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
|
|
case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
|
|
/* Lie about these to avoid st/mesa's GLSL IR lowering of indirects,
|
|
* which we don't want. Our compiler backend will check brw_compiler's
|
|
* options and call nir_lower_indirect_derefs appropriately anyway.
|
|
*/
|
|
return true;
|
|
case PIPE_SHADER_CAP_SUBROUTINES:
|
|
return 0;
|
|
case PIPE_SHADER_CAP_INTEGERS:
|
|
return 1;
|
|
case PIPE_SHADER_CAP_INT64_ATOMICS:
|
|
case PIPE_SHADER_CAP_FP16:
|
|
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
|
|
case PIPE_SHADER_CAP_FP16_CONST_BUFFERS:
|
|
case PIPE_SHADER_CAP_INT16:
|
|
case PIPE_SHADER_CAP_GLSL_16BIT_CONSTS:
|
|
return 0;
|
|
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
|
|
return IRIS_MAX_SAMPLERS;
|
|
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
|
|
return IRIS_MAX_TEXTURES;
|
|
case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
|
|
return IRIS_MAX_IMAGES;
|
|
case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
|
|
return IRIS_MAX_ABOS + IRIS_MAX_SSBOS;
|
|
case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
|
|
case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
|
|
return 0;
|
|
case PIPE_SHADER_CAP_SUPPORTED_IRS: {
|
|
int irs = 1 << PIPE_SHADER_IR_NIR;
|
|
if (iris_enable_clover())
|
|
irs |= 1 << PIPE_SHADER_IR_NIR_SERIALIZED;
|
|
return irs;
|
|
}
|
|
case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
|
|
case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
|
|
return 0;
|
|
default:
|
|
unreachable("unknown shader param");
|
|
}
|
|
}
|
|
|
|
static int
|
|
iris_get_compute_param(struct pipe_screen *pscreen,
|
|
enum pipe_shader_ir ir_type,
|
|
enum pipe_compute_cap param,
|
|
void *ret)
|
|
{
|
|
struct iris_screen *screen = (struct iris_screen *)pscreen;
|
|
const struct intel_device_info *devinfo = screen->devinfo;
|
|
|
|
const uint32_t max_invocations =
|
|
MIN2(1024, 32 * devinfo->max_cs_workgroup_threads);
|
|
|
|
#define RET(x) do { \
|
|
if (ret) \
|
|
memcpy(ret, x, sizeof(x)); \
|
|
return sizeof(x); \
|
|
} while (0)
|
|
|
|
switch (param) {
|
|
case PIPE_COMPUTE_CAP_ADDRESS_BITS:
|
|
/* This gets queried on OpenCL device init and is never queried by the
|
|
* OpenGL state tracker.
|
|
*/
|
|
iris_warn_cl();
|
|
RET((uint32_t []){ 64 });
|
|
|
|
case PIPE_COMPUTE_CAP_IR_TARGET:
|
|
if (ret)
|
|
strcpy(ret, "gen");
|
|
return 4;
|
|
|
|
case PIPE_COMPUTE_CAP_GRID_DIMENSION:
|
|
RET((uint64_t []) { 3 });
|
|
|
|
case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
|
|
RET(((uint64_t []) { UINT32_MAX, UINT32_MAX, UINT32_MAX }));
|
|
|
|
case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
|
|
/* MaxComputeWorkGroupSize[0..2] */
|
|
RET(((uint64_t []) {max_invocations, max_invocations, max_invocations}));
|
|
|
|
case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
|
|
/* MaxComputeWorkGroupInvocations */
|
|
case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
|
|
/* MaxComputeVariableGroupInvocations */
|
|
RET((uint64_t []) { max_invocations });
|
|
|
|
case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
|
|
/* MaxComputeSharedMemorySize */
|
|
RET((uint64_t []) { 64 * 1024 });
|
|
|
|
case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
|
|
RET((uint32_t []) { 1 });
|
|
|
|
case PIPE_COMPUTE_CAP_SUBGROUP_SIZES:
|
|
RET((uint32_t []) { 32 | 16 | 8 });
|
|
|
|
case PIPE_COMPUTE_CAP_MAX_SUBGROUPS:
|
|
RET((uint32_t []) { devinfo->max_cs_workgroup_threads });
|
|
|
|
case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE:
|
|
case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
|
|
RET((uint64_t []) { 1 << 30 }); /* TODO */
|
|
|
|
case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
|
|
RET((uint32_t []) { 400 }); /* TODO */
|
|
|
|
case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS: {
|
|
RET((uint32_t []) { intel_device_info_subslice_total(devinfo) });
|
|
}
|
|
|
|
case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE:
|
|
/* MaxComputeSharedMemorySize */
|
|
RET((uint64_t []) { 64 * 1024 });
|
|
|
|
case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
|
|
/* We could probably allow more; this is the OpenCL minimum */
|
|
RET((uint64_t []) { 1024 });
|
|
|
|
default:
|
|
unreachable("unknown compute param");
|
|
}
|
|
}
|
|
|
|
static uint64_t
|
|
iris_get_timestamp(struct pipe_screen *pscreen)
|
|
{
|
|
struct iris_screen *screen = (struct iris_screen *) pscreen;
|
|
uint64_t result;
|
|
|
|
if (!intel_gem_read_render_timestamp(iris_bufmgr_get_fd(screen->bufmgr),
|
|
screen->devinfo->kmd_type, &result))
|
|
return 0;
|
|
|
|
result = intel_device_info_timebase_scale(screen->devinfo, result);
|
|
|
|
return result;
|
|
}
|
|
|
|
void
|
|
iris_screen_destroy(struct iris_screen *screen)
|
|
{
|
|
iris_destroy_screen_measure(screen);
|
|
util_queue_destroy(&screen->shader_compiler_queue);
|
|
glsl_type_singleton_decref();
|
|
iris_bo_unreference(screen->workaround_bo);
|
|
iris_bo_unreference(screen->breakpoint_bo);
|
|
u_transfer_helper_destroy(screen->base.transfer_helper);
|
|
iris_bufmgr_unref(screen->bufmgr);
|
|
disk_cache_destroy(screen->disk_cache);
|
|
close(screen->winsys_fd);
|
|
ralloc_free(screen);
|
|
}
|
|
|
|
static void
|
|
iris_screen_unref(struct pipe_screen *pscreen)
|
|
{
|
|
iris_pscreen_unref(pscreen);
|
|
}
|
|
|
|
static void
|
|
iris_query_memory_info(struct pipe_screen *pscreen,
|
|
struct pipe_memory_info *info)
|
|
{
|
|
struct iris_screen *screen = (struct iris_screen *)pscreen;
|
|
struct intel_device_info di;
|
|
memcpy(&di, screen->devinfo, sizeof(di));
|
|
|
|
if (!intel_device_info_update_memory_info(&di, screen->fd))
|
|
return;
|
|
|
|
info->total_device_memory =
|
|
(di.mem.vram.mappable.size + di.mem.vram.unmappable.size) / 1024;
|
|
info->avail_device_memory =
|
|
(di.mem.vram.mappable.free + di.mem.vram.unmappable.free) / 1024;
|
|
info->total_staging_memory = di.mem.sram.mappable.size / 1024;
|
|
info->avail_staging_memory = di.mem.sram.mappable.free / 1024;
|
|
|
|
/* Neither kernel gives us any way to calculate this information */
|
|
info->device_memory_evicted = 0;
|
|
info->nr_device_memory_evictions = 0;
|
|
}
|
|
|
|
static struct disk_cache *
|
|
iris_get_disk_shader_cache(struct pipe_screen *pscreen)
|
|
{
|
|
struct iris_screen *screen = (struct iris_screen *) pscreen;
|
|
return screen->disk_cache;
|
|
}
|
|
|
|
static const struct intel_l3_config *
|
|
iris_get_default_l3_config(const struct intel_device_info *devinfo,
|
|
bool compute)
|
|
{
|
|
bool wants_dc_cache = true;
|
|
bool has_slm = compute;
|
|
const struct intel_l3_weights w =
|
|
intel_get_default_l3_weights(devinfo, wants_dc_cache, has_slm);
|
|
return intel_get_l3_config(devinfo, w);
|
|
}
|
|
|
|
static void
|
|
iris_detect_kernel_features(struct iris_screen *screen)
|
|
{
|
|
const struct intel_device_info *devinfo = screen->devinfo;
|
|
/* Kernel 5.2+ */
|
|
if (intel_gem_supports_syncobj_wait(screen->fd))
|
|
screen->kernel_features |= KERNEL_HAS_WAIT_FOR_SUBMIT;
|
|
if (intel_gem_supports_protected_context(screen->fd, devinfo->kmd_type))
|
|
screen->kernel_features |= KERNEL_HAS_PROTECTED_CONTEXT;
|
|
}
|
|
|
|
static bool
|
|
iris_init_identifier_bo(struct iris_screen *screen)
|
|
{
|
|
void *bo_map;
|
|
|
|
bo_map = iris_bo_map(NULL, screen->workaround_bo, MAP_READ | MAP_WRITE);
|
|
if (!bo_map)
|
|
return false;
|
|
|
|
assert(iris_bo_is_real(screen->workaround_bo));
|
|
|
|
screen->workaround_address = (struct iris_address) {
|
|
.bo = screen->workaround_bo,
|
|
.offset = ALIGN(
|
|
intel_debug_write_identifiers(bo_map, 4096, "Iris"), 32),
|
|
};
|
|
|
|
iris_bo_unmap(screen->workaround_bo);
|
|
|
|
return true;
|
|
}
|
|
|
|
static int
|
|
iris_screen_get_fd(struct pipe_screen *pscreen)
|
|
{
|
|
struct iris_screen *screen = (struct iris_screen *) pscreen;
|
|
|
|
return screen->winsys_fd;
|
|
}
|
|
|
|
struct pipe_screen *
|
|
iris_screen_create(int fd, const struct pipe_screen_config *config)
|
|
{
|
|
struct iris_screen *screen = rzalloc(NULL, struct iris_screen);
|
|
if (!screen)
|
|
return NULL;
|
|
|
|
driParseConfigFiles(config->options, config->options_info, 0, "iris",
|
|
NULL, NULL, NULL, 0, NULL, 0);
|
|
|
|
bool bo_reuse = false;
|
|
int bo_reuse_mode = driQueryOptioni(config->options, "bo_reuse");
|
|
switch (bo_reuse_mode) {
|
|
case DRI_CONF_BO_REUSE_DISABLED:
|
|
break;
|
|
case DRI_CONF_BO_REUSE_ALL:
|
|
bo_reuse = true;
|
|
break;
|
|
}
|
|
|
|
process_intel_debug_variable();
|
|
|
|
screen->bufmgr = iris_bufmgr_get_for_fd(fd, bo_reuse);
|
|
if (!screen->bufmgr)
|
|
return NULL;
|
|
|
|
screen->devinfo = iris_bufmgr_get_device_info(screen->bufmgr);
|
|
p_atomic_set(&screen->refcount, 1);
|
|
|
|
/* Here are the i915 features we need for Iris (in chronological order) :
|
|
* - I915_PARAM_HAS_EXEC_NO_RELOC (3.10)
|
|
* - I915_PARAM_HAS_EXEC_HANDLE_LUT (3.10)
|
|
* - I915_PARAM_HAS_EXEC_BATCH_FIRST (4.13)
|
|
* - I915_PARAM_HAS_EXEC_FENCE_ARRAY (4.14)
|
|
* - I915_PARAM_HAS_CONTEXT_ISOLATION (4.16)
|
|
*
|
|
* Checking the last feature availability will include all previous ones.
|
|
*/
|
|
if (!screen->devinfo->has_context_isolation) {
|
|
debug_error("Kernel is too old (4.16+ required) or unusable for Iris.\n"
|
|
"Check your dmesg logs for loading failures.\n");
|
|
return NULL;
|
|
}
|
|
|
|
screen->fd = iris_bufmgr_get_fd(screen->bufmgr);
|
|
screen->winsys_fd = os_dupfd_cloexec(fd);
|
|
|
|
screen->id = iris_bufmgr_create_screen_id(screen->bufmgr);
|
|
|
|
screen->workaround_bo =
|
|
iris_bo_alloc(screen->bufmgr, "workaround", 4096, 4096,
|
|
IRIS_MEMZONE_OTHER, BO_ALLOC_NO_SUBALLOC | BO_ALLOC_CAPTURE);
|
|
if (!screen->workaround_bo)
|
|
return NULL;
|
|
|
|
screen->breakpoint_bo = iris_bo_alloc(screen->bufmgr, "breakpoint", 4, 4,
|
|
IRIS_MEMZONE_OTHER, BO_ALLOC_ZEROED);
|
|
if (!screen->breakpoint_bo)
|
|
return NULL;
|
|
|
|
if (!iris_init_identifier_bo(screen))
|
|
return NULL;
|
|
|
|
screen->driconf.dual_color_blend_by_location =
|
|
driQueryOptionb(config->options, "dual_color_blend_by_location");
|
|
screen->driconf.disable_throttling =
|
|
driQueryOptionb(config->options, "disable_throttling");
|
|
screen->driconf.always_flush_cache = INTEL_DEBUG(DEBUG_STALL) ||
|
|
driQueryOptionb(config->options, "always_flush_cache");
|
|
screen->driconf.sync_compile =
|
|
driQueryOptionb(config->options, "sync_compile");
|
|
screen->driconf.limit_trig_input_range =
|
|
driQueryOptionb(config->options, "limit_trig_input_range");
|
|
screen->driconf.lower_depth_range_rate =
|
|
driQueryOptionf(config->options, "lower_depth_range_rate");
|
|
screen->driconf.intel_enable_wa_14018912822 =
|
|
driQueryOptionb(config->options, "intel_enable_wa_14018912822");
|
|
screen->driconf.enable_tbimr =
|
|
driQueryOptionb(config->options, "intel_tbimr");
|
|
screen->driconf.generated_indirect_threshold =
|
|
driQueryOptioni(config->options, "generated_indirect_threshold");
|
|
|
|
screen->precompile = debug_get_bool_option("shader_precompile", true);
|
|
|
|
isl_device_init(&screen->isl_dev, screen->devinfo);
|
|
|
|
iris_compiler_init(screen);
|
|
|
|
screen->l3_config_3d = iris_get_default_l3_config(screen->devinfo, false);
|
|
screen->l3_config_cs = iris_get_default_l3_config(screen->devinfo, true);
|
|
|
|
iris_disk_cache_init(screen);
|
|
|
|
slab_create_parent(&screen->transfer_pool,
|
|
sizeof(struct iris_transfer), 64);
|
|
|
|
iris_detect_kernel_features(screen);
|
|
|
|
struct pipe_screen *pscreen = &screen->base;
|
|
|
|
iris_init_screen_fence_functions(pscreen);
|
|
iris_init_screen_resource_functions(pscreen);
|
|
iris_init_screen_measure(screen);
|
|
|
|
pscreen->destroy = iris_screen_unref;
|
|
pscreen->get_name = iris_get_name;
|
|
pscreen->get_vendor = iris_get_vendor;
|
|
pscreen->get_device_vendor = iris_get_device_vendor;
|
|
pscreen->get_cl_cts_version = iris_get_cl_cts_version;
|
|
pscreen->get_screen_fd = iris_screen_get_fd;
|
|
pscreen->get_param = iris_get_param;
|
|
pscreen->get_shader_param = iris_get_shader_param;
|
|
pscreen->get_compute_param = iris_get_compute_param;
|
|
pscreen->get_paramf = iris_get_paramf;
|
|
pscreen->get_compiler_options = iris_get_compiler_options;
|
|
pscreen->get_device_uuid = iris_get_device_uuid;
|
|
pscreen->get_driver_uuid = iris_get_driver_uuid;
|
|
pscreen->get_disk_shader_cache = iris_get_disk_shader_cache;
|
|
pscreen->is_format_supported = iris_is_format_supported;
|
|
pscreen->context_create = iris_create_context;
|
|
pscreen->get_timestamp = iris_get_timestamp;
|
|
pscreen->query_memory_info = iris_query_memory_info;
|
|
pscreen->get_driver_query_group_info = iris_get_monitor_group_info;
|
|
pscreen->get_driver_query_info = iris_get_monitor_info;
|
|
iris_init_screen_program_functions(pscreen);
|
|
|
|
genX_call(screen->devinfo, init_screen_state, screen);
|
|
genX_call(screen->devinfo, init_screen_gen_state, screen);
|
|
|
|
glsl_type_singleton_init_or_ref();
|
|
|
|
intel_driver_ds_init();
|
|
|
|
/* FINISHME: Big core vs little core (for CPUs that have both kinds of
|
|
* cores) and, possibly, thread vs core should be considered here too.
|
|
*/
|
|
unsigned compiler_threads = 1;
|
|
const struct util_cpu_caps_t *caps = util_get_cpu_caps();
|
|
unsigned hw_threads = caps->nr_cpus;
|
|
|
|
if (hw_threads >= 12) {
|
|
compiler_threads = hw_threads * 3 / 4;
|
|
} else if (hw_threads >= 6) {
|
|
compiler_threads = hw_threads - 2;
|
|
} else if (hw_threads >= 2) {
|
|
compiler_threads = hw_threads - 1;
|
|
}
|
|
|
|
if (!util_queue_init(&screen->shader_compiler_queue,
|
|
"sh", 64, compiler_threads,
|
|
UTIL_QUEUE_INIT_RESIZE_IF_FULL |
|
|
UTIL_QUEUE_INIT_SET_FULL_THREAD_AFFINITY,
|
|
NULL)) {
|
|
iris_screen_destroy(screen);
|
|
return NULL;
|
|
}
|
|
|
|
return pscreen;
|
|
}
|