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android / platform / external / mesa3d / 9a9a61a1435 / . / src / gallium / drivers / crocus / crocus_screen.c
blob: 82d2e5cfef8ea805c591ff647675ed8f99fcc178 [file] [log] [blame]
/*
* Copyright © 2017 Intel Corporation
*
* 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 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.
*/
/**
* @file crocus_screen.c
*
* Screen related driver hooks and capability lists.
*
* A program may use multiple rendering contexts (crocus_context), but
* they all share a common screen (crocus_screen). Global driver state
* can be stored in the screen; it may be accessed by multiple threads.
*/
#include <stdio.h>
#include <errno.h>
#include <sys/ioctl.h>
#include "pipe/p_defines.h"
#include "pipe/p_state.h"
#include "pipe/p_context.h"
#include "pipe/p_screen.h"
#include "util/u_debug.h"
#include "util/u_inlines.h"
#include "util/format/u_format.h"
#include "util/u_transfer_helper.h"
#include "util/u_upload_mgr.h"
#include "util/ralloc.h"
#include "util/xmlconfig.h"
#include "drm-uapi/i915_drm.h"
#include "crocus_context.h"
#include "crocus_defines.h"
#include "crocus_fence.h"
#include "crocus_perf.h"
#include "crocus_pipe.h"
#include "crocus_resource.h"
#include "crocus_screen.h"
#include "intel/compiler/elk/elk_compiler.h"
#include "intel/common/intel_debug_identifier.h"
#include "intel/common/intel_gem.h"
#include "intel/common/intel_l3_config.h"
#include "intel/common/intel_uuid.h"
#include "crocus_monitor.h"
#define genX_call(devinfo, func, ...) \
switch ((devinfo)->verx10) { \
case 80: \
gfx8_##func(__VA_ARGS__); \
break; \
case 75: \
gfx75_##func(__VA_ARGS__); \
break; \
case 70: \
gfx7_##func(__VA_ARGS__); \
break; \
case 60: \
gfx6_##func(__VA_ARGS__); \
break; \
case 50: \
gfx5_##func(__VA_ARGS__); \
break; \
case 45: \
gfx45_##func(__VA_ARGS__); \
break; \
case 40: \
gfx4_##func(__VA_ARGS__); \
break; \
default: \
unreachable("Unknown hardware generation"); \
}
static const char *
crocus_get_vendor(struct pipe_screen *pscreen)
{
return "Intel";
}
static const char *
crocus_get_device_vendor(struct pipe_screen *pscreen)
{
return "Intel";
}
static void
crocus_get_device_uuid(struct pipe_screen *pscreen, char *uuid)
{
struct crocus_screen *screen = (struct crocus_screen *)pscreen;
intel_uuid_compute_device_id((uint8_t *)uuid, &screen->devinfo, PIPE_UUID_SIZE);
}
static void
crocus_get_driver_uuid(struct pipe_screen *pscreen, char *uuid)
{
struct crocus_screen *screen = (struct crocus_screen *)pscreen;
const struct intel_device_info *devinfo = &screen->devinfo;
intel_uuid_compute_driver_id((uint8_t *)uuid, devinfo, PIPE_UUID_SIZE);
}
static const char *
crocus_get_name(struct pipe_screen *pscreen)
{
struct crocus_screen *screen = (struct crocus_screen *)pscreen;
const struct intel_device_info *devinfo = &screen->devinfo;
static char buf[128];
snprintf(buf, sizeof(buf), "Mesa %s", devinfo->name);
return buf;
}
static uint64_t
get_aperture_size(int fd)
{
struct drm_i915_gem_get_aperture aperture = {};
intel_ioctl(fd, DRM_IOCTL_I915_GEM_GET_APERTURE, &aperture);
return aperture.aper_size;
}
static int
crocus_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);
struct crocus_screen *screen = (struct crocus_screen *)pscreen;
const struct intel_device_info *devinfo = &screen->devinfo;
if (p_stage == PIPE_SHADER_MESH ||
p_stage == PIPE_SHADER_TASK)
return 0;
if (devinfo->ver < 6 &&
p_stage != PIPE_SHADER_VERTEX &&
p_stage != PIPE_SHADER_FRAGMENT)
return 0;
if (devinfo->ver == 6 &&
p_stage != PIPE_SHADER_VERTEX &&
p_stage != PIPE_SHADER_FRAGMENT &&
p_stage != PIPE_SHADER_GEOMETRY)
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:
if (stage == MESA_SHADER_VERTEX ||
stage == MESA_SHADER_GEOMETRY)
return 16; /* Gen7 vec4 geom backend */
return 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 devinfo->ver >= 6 ? 16 : 1;
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_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 elk_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:
return 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
return (devinfo->verx10 >= 75) ? CROCUS_MAX_TEXTURE_SAMPLERS : 16;
case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
if (devinfo->ver >= 7 &&
(p_stage == PIPE_SHADER_FRAGMENT ||
p_stage == PIPE_SHADER_COMPUTE))
return CROCUS_MAX_TEXTURE_SAMPLERS;
return 0;
case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
return devinfo->ver >= 7 ? (CROCUS_MAX_ABOS + CROCUS_MAX_SSBOS) : 0;
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:
return 1 << PIPE_SHADER_IR_NIR;
case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_CONSTS:
case PIPE_SHADER_CAP_FP16_CONST_BUFFERS:
return 0;
default:
unreachable("unknown shader param");
}
}
static int
crocus_get_compute_param(struct pipe_screen *pscreen,
enum pipe_compute_cap param,
void *ret)
{
struct crocus_screen *screen = (struct crocus_screen *)pscreen;
const struct intel_device_info *devinfo = &screen->devinfo;
const uint32_t max_invocations = 32 * devinfo->max_cs_workgroup_threads;
if (devinfo->ver < 7)
return 0;
#define RET(x) do { \
if (ret) \
memcpy(ret, x, sizeof(x)); \
return sizeof(x); \
} while (0)
switch (param) {
case PIPE_COMPUTE_CAP_ADDRESS_BITS:
RET((uint32_t []){ 32 });
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 []) { 65535, 65535, 65535 }));
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 */
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 []) { ELK_SUBGROUP_SIZE });
case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
RET((uint64_t []) { max_invocations });
case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE:
case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE:
case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
case PIPE_COMPUTE_CAP_MAX_SUBGROUPS:
// XXX: I think these are for Clover...
return 0;
default:
unreachable("unknown compute param");
}
}
static void
crocus_init_shader_caps(struct crocus_screen *screen)
{
const struct intel_device_info *devinfo = &screen->devinfo;
for (unsigned i = 0; i <= PIPE_SHADER_COMPUTE; i++) {
struct pipe_shader_caps *caps =
(struct pipe_shader_caps *)&screen->base.shader_caps[i];
if (devinfo->ver < 6 &&
i != PIPE_SHADER_VERTEX &&
i != PIPE_SHADER_FRAGMENT)
continue;
if (devinfo->ver == 6 &&
i != PIPE_SHADER_VERTEX &&
i != PIPE_SHADER_FRAGMENT &&
i != PIPE_SHADER_GEOMETRY)
continue;
caps->max_instructions = i == MESA_SHADER_FRAGMENT ? 1024 : 16384;
caps->max_alu_instructions =
caps->max_tex_instructions =
caps->max_tex_indirections = i == MESA_SHADER_FRAGMENT ? 1024 : 0;
caps->max_control_flow_depth = UINT_MAX;
/* Gen7 vec4 geom backend */
caps->max_inputs = i == MESA_SHADER_VERTEX || i == MESA_SHADER_GEOMETRY ? 16 : 32;
caps->max_outputs = 32;
caps->max_const_buffer0_size = 16 * 1024 * sizeof(float);
caps->max_const_buffers = devinfo->ver >= 6 ? 16 : 1;
caps->max_temps = 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
/* Lie about these to avoid st/mesa's GLSL IR lowering of indirects,
* which we don't want. Our compiler backend will check elk_compiler's
* options and call nir_lower_indirect_derefs appropriately anyway.
*/
caps->indirect_temp_addr = true;
caps->indirect_const_addr = true;
caps->integers = true;
caps->max_texture_samplers =
caps->max_sampler_views =
(devinfo->verx10 >= 75) ? CROCUS_MAX_TEXTURE_SAMPLERS : 16;
if (devinfo->ver >= 7 &&
(i == PIPE_SHADER_FRAGMENT || i == PIPE_SHADER_COMPUTE))
caps->max_shader_images = CROCUS_MAX_TEXTURE_SAMPLERS;
caps->max_shader_buffers =
devinfo->ver >= 7 ? (CROCUS_MAX_ABOS + CROCUS_MAX_SSBOS) : 0;
caps->supported_irs = 1 << PIPE_SHADER_IR_NIR;
}
}
static void
crocus_init_compute_caps(struct crocus_screen *screen)
{
struct pipe_compute_caps *caps =
(struct pipe_compute_caps *)&screen->base.compute_caps;
const struct intel_device_info *devinfo = &screen->devinfo;
if (devinfo->ver < 7)
return;
const uint32_t max_invocations = 32 * devinfo->max_cs_workgroup_threads;
caps->address_bits = 32;
snprintf(caps->ir_target, sizeof(caps->ir_target), "gen");
caps->grid_dimension = 3;
caps->max_grid_size[0] =
caps->max_grid_size[1] =
caps->max_grid_size[2] = 65535;
/* MaxComputeWorkGroupSize[0..2] */
caps->max_block_size[0] =
caps->max_block_size[1] =
caps->max_block_size[2] = max_invocations;
/* MaxComputeWorkGroupInvocations */
caps->max_threads_per_block = max_invocations;
/* MaxComputeSharedMemorySize */
caps->max_local_size = 64 * 1024;
caps->images_supported = true;
caps->subgroup_sizes = ELK_SUBGROUP_SIZE;
caps->max_variable_threads_per_block = max_invocations;
}
static void
crocus_init_screen_caps(struct crocus_screen *screen)
{
const struct intel_device_info *devinfo = &screen->devinfo;
struct pipe_caps *caps = (struct pipe_caps *)&screen->base.caps;
u_init_pipe_screen_caps(&screen->base, 1);
caps->npot_textures = true;
caps->anisotropic_filter = true;
caps->occlusion_query = true;
caps->texture_swizzle = true;
caps->texture_mirror_clamp_to_edge = true;
caps->blend_equation_separate = true;
caps->fragment_shader_texture_lod = true;
caps->fragment_shader_derivatives = true;
caps->primitive_restart = true;
caps->primitive_restart_fixed_index = true;
caps->indep_blend_enable = true;
caps->fs_coord_origin_upper_left = true;
caps->fs_coord_pixel_center_integer = true;
caps->depth_clip_disable = true;
caps->vs_instanceid = true;
caps->vertex_element_instance_divisor = true;
caps->seamless_cube_map = true;
caps->seamless_cube_map_per_texture = true;
caps->conditional_render = true;
caps->texture_barrier = true;
caps->vertex_color_unclamped = true;
caps->start_instance = true;
caps->force_persample_interp = true;
caps->mixed_framebuffer_sizes = true;
caps->vs_layer_viewport = true;
caps->tes_layer_viewport = true;
caps->uma = true;
caps->clip_halfz = true;
caps->tgsi_texcoord = true;
caps->device_reset_status_query = true;
caps->copy_between_compressed_and_plain_formats = true;
caps->signed_vertex_buffer_offset = true;
caps->texture_float_linear = true;
caps->texture_half_float_linear = true;
caps->polygon_offset_clamp = true;
caps->tgsi_tex_txf_lz = true;
caps->multisample_z_resolve = true;
caps->shader_group_vote = true;
caps->vs_window_space_position = true;
caps->texture_gather_sm5 = true;
caps->shader_array_components = true;
caps->glsl_tess_levels_as_inputs = true;
caps->fs_position_is_sysval = true;
caps->fs_face_is_integer_sysval = true;
caps->invalidate_buffer = true;
caps->surface_reinterpret_blocks = true;
caps->fence_signal = true;
caps->demote_to_helper_invocation = true;
caps->gl_clamp = true;
caps->legacy_math_rules = true;
caps->native_fence_fd = true;
caps->int64 =
caps->shader_ballot =
caps->packed_uniforms = devinfo->ver == 8;
caps->quads_follow_provoking_vertex_convention = devinfo->ver <= 5;
caps->texture_query_lod =
caps->query_time_elapsed = devinfo->ver >= 5;
caps->draw_indirect =
caps->multi_draw_indirect =
caps->multi_draw_indirect_params =
caps->framebuffer_no_attachment =
caps->fs_fine_derivative =
caps->stream_output_interleave_buffers =
caps->shader_clock =
caps->texture_query_samples =
caps->compute =
caps->sampler_view_target =
caps->shader_samples_identical =
caps->shader_pack_half_float =
caps->gl_spirv =
caps->gl_spirv_variable_pointers =
caps->compute_shader_derivatives =
caps->doubles =
caps->memobj =
caps->image_store_formatted =
caps->alpha_to_coverage_dither_control = devinfo->ver >= 7;
caps->query_buffer_object =
caps->robust_buffer_access_behavior = devinfo->verx10 >= 75;
caps->cull_distance =
caps->query_pipeline_statistics_single =
caps->stream_output_pause_resume =
caps->sample_shading =
caps->cube_map_array =
caps->query_so_overflow =
caps->texture_multisample =
caps->conditional_render_inverted =
caps->query_timestamp =
caps->texture_buffer_objects =
caps->indep_blend_func =
caps->texture_shadow_lod =
caps->load_constbuf =
caps->draw_parameters =
caps->clear_scissored = devinfo->ver >= 6;
caps->fbfetch = devinfo->verx10 >= 45 ? ELK_MAX_DRAW_BUFFERS : 0;
/* in theory CL (965gm) can do this */
caps->max_dual_source_render_targets = devinfo->verx10 >= 45 ? 1 : 0;
caps->max_render_targets = ELK_MAX_DRAW_BUFFERS;
caps->max_texture_2d_size = devinfo->ver >= 7 ? 16384 : 8192;
caps->max_texture_cube_levels = devinfo->ver >= 7 ?
CROCUS_MAX_MIPLEVELS /* 16384x16384 */ : CROCUS_MAX_MIPLEVELS - 1; /* 8192x8192 */
caps->max_texture_3d_levels = 12; /* 2048x2048 */
caps->max_stream_output_buffers = (devinfo->ver >= 6) ? 4 : 0;
caps->max_texture_array_layers = devinfo->ver >= 7 ? 2048 : 512;
caps->max_stream_output_separate_components =
ELK_MAX_SOL_BINDINGS / CROCUS_MAX_SOL_BUFFERS;
caps->max_stream_output_interleaved_components = ELK_MAX_SOL_BINDINGS;
caps->glsl_feature_level_compatibility =
caps->glsl_feature_level = devinfo->verx10 >= 75 ? 460 :
(devinfo->ver >= 7 ? 420 : (devinfo->ver >= 6 ? 330 : 140));
caps->clip_planes = devinfo->verx10 < 45 ? 6 : 1; // defaults to MAX (8)
/* 3DSTATE_CONSTANT_XS requires the start of UBOs to be 32B aligned */
caps->constant_buffer_offset_alignment = 32;
caps->min_map_buffer_alignment = CROCUS_MAP_BUFFER_ALIGNMENT;
caps->shader_buffer_offset_alignment = devinfo->ver >= 7 ? 4 : 0;
caps->max_shader_buffer_size = devinfo->ver >= 7 ? (1 << 27) : 0;
caps->texture_buffer_offset_alignment = 16; // XXX: u_screen says 256 is the minimum value...
caps->texture_transfer_modes = PIPE_TEXTURE_TRANSFER_BLIT;
caps->max_texel_buffer_elements = CROCUS_MAX_TEXTURE_BUFFER_SIZE;
caps->max_viewports = devinfo->ver >= 6 ? 16 : 1;
caps->max_geometry_output_vertices = devinfo->ver >= 6 ? 256 : 0;
caps->max_geometry_total_output_components = devinfo->ver >= 6 ? 1024 : 0;
caps->max_gs_invocations = devinfo->ver >= 7 ? 32 : 1;
caps->max_texture_gather_components = devinfo->ver >= 7 ? 4 :
(devinfo->ver == 6 ? 1 : 0);
caps->min_texture_gather_offset = devinfo->ver >= 7 ? -32 :
(devinfo->ver == 6 ? -8 : 0);
caps->max_texture_gather_offset = devinfo->ver >= 7 ? 31 :
(devinfo->ver == 6 ? 7 : 0);
caps->max_vertex_streams = devinfo->ver >= 7 ? 4 : 1;
caps->vendor_id = 0x8086;
caps->device_id = screen->pci_id;
/* Once a batch uses more than 75% of the maximum mappable size, we
* assume that there's some fragmentation, and we start doing extra
* flushing, etc. That's the big cliff apps will care about.
*/
const unsigned gpu_mappable_megabytes =
(screen->aperture_threshold) / (1024 * 1024);
const long system_memory_pages = sysconf(_SC_PHYS_PAGES);
const long system_page_size = sysconf(_SC_PAGE_SIZE);
if (system_memory_pages <= 0 || system_page_size <= 0) {
caps->video_memory = -1;
} else {
const uint64_t system_memory_bytes =
(uint64_t) system_memory_pages * (uint64_t) system_page_size;
const unsigned system_memory_megabytes =
(unsigned) (system_memory_bytes / (1024 * 1024));
caps->video_memory = MIN2(system_memory_megabytes, gpu_mappable_megabytes);
}
caps->max_shader_patch_varyings =
caps->max_varyings = (screen->devinfo.ver >= 6) ? 32 : 16;
/* AMD_pinned_memory assumes the flexibility of using client memory
* for any buffer (incl. vertex buffers) which rules out the prospect
* of using snooped buffers, as using snooped buffers without
* cogniscience is likely to be detrimental to performance and require
* extensive checking in the driver for correctness, e.g. to prevent
* illegal snoop <-> snoop transfers.
*/
caps->resource_from_user_memory = devinfo->has_llc;
caps->throttle = !screen->driconf.disable_throttling;
caps->context_priority_mask =
PIPE_CONTEXT_PRIORITY_LOW |
PIPE_CONTEXT_PRIORITY_MEDIUM |
PIPE_CONTEXT_PRIORITY_HIGH;
caps->frontend_noop = true;
// XXX: don't hardcode 00:00:02.0 PCI here
caps->pci_group = 0;
caps->pci_bus = 0;
caps->pci_device = 2;
caps->pci_function = 0;
caps->hardware_gl_select = false;
caps->timer_resolution = DIV_ROUND_UP(1000000000ull, devinfo->timestamp_frequency);
caps->min_line_width =
caps->min_line_width_aa =
caps->min_point_size =
caps->min_point_size_aa = 1;
caps->point_size_granularity =
caps->line_width_granularity = 0.1;
caps->max_line_width =
caps->max_line_width_aa = devinfo->ver >= 6 ? 7.375f : 7.0f;
caps->max_point_size =
caps->max_point_size_aa = 255.0f;
caps->max_texture_anisotropy = 16.0f;
caps->max_texture_lod_bias = 15.0f;
}
static uint64_t
crocus_get_timestamp(struct pipe_screen *pscreen)
{
struct crocus_screen *screen = (struct crocus_screen *) pscreen;
uint64_t result;
if (!intel_gem_read_render_timestamp(crocus_bufmgr_get_fd(screen->bufmgr),
screen->devinfo.kmd_type, &result))
return 0;
result = intel_device_info_timebase_scale(&screen->devinfo, result);
result &= (1ull << TIMESTAMP_BITS) - 1;
return result;
}
void
crocus_screen_destroy(struct crocus_screen *screen)
{
intel_perf_free(screen->perf_cfg);
u_transfer_helper_destroy(screen->base.transfer_helper);
crocus_bufmgr_unref(screen->bufmgr);
disk_cache_destroy(screen->disk_cache);
close(screen->winsys_fd);
ralloc_free(screen);
}
static void
crocus_screen_unref(struct pipe_screen *pscreen)
{
crocus_pscreen_unref(pscreen);
}
static void
crocus_query_memory_info(struct pipe_screen *pscreen,
struct pipe_memory_info *info)
{
}
static const void *
crocus_get_compiler_options(struct pipe_screen *pscreen,
enum pipe_shader_ir ir,
enum pipe_shader_type pstage)
{
struct crocus_screen *screen = (struct crocus_screen *) pscreen;
gl_shader_stage stage = stage_from_pipe(pstage);
assert(ir == PIPE_SHADER_IR_NIR);
return screen->compiler->nir_options[stage];
}
static struct disk_cache *
crocus_get_disk_shader_cache(struct pipe_screen *pscreen)
{
struct crocus_screen *screen = (struct crocus_screen *) pscreen;
return screen->disk_cache;
}
static const struct intel_l3_config *
crocus_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
crocus_shader_debug_log(void *data, unsigned *id, const char *fmt, ...)
{
struct util_debug_callback *dbg = data;
va_list args;
if (!dbg->debug_message)
return;
va_start(args, fmt);
dbg->debug_message(dbg->data, id, UTIL_DEBUG_TYPE_SHADER_INFO, fmt, args);
va_end(args);
}
static void
crocus_shader_perf_log(void *data, unsigned *id, const char *fmt, ...)
{
struct util_debug_callback *dbg = data;
va_list args;
va_start(args, fmt);
if (INTEL_DEBUG(DEBUG_PERF)) {
va_list args_copy;
va_copy(args_copy, args);
vfprintf(stderr, fmt, args_copy);
va_end(args_copy);
}
if (dbg->debug_message) {
dbg->debug_message(dbg->data, id, UTIL_DEBUG_TYPE_PERF_INFO, fmt, args);
}
va_end(args);
}
static int
crocus_screen_get_fd(struct pipe_screen *pscreen)
{
struct crocus_screen *screen = (struct crocus_screen *)pscreen;
return screen->winsys_fd;
}
struct pipe_screen *
crocus_screen_create(int fd, const struct pipe_screen_config *config)
{
struct crocus_screen *screen = rzalloc(NULL, struct crocus_screen);
if (!screen)
return NULL;
if (!intel_get_device_info_from_fd(fd, &screen->devinfo, 4, 8))
return NULL;
screen->pci_id = screen->devinfo.pci_device_id;
if (screen->devinfo.ver > 8)
return NULL;
if (screen->devinfo.ver == 8) {
/* bind to cherryview or bdw if forced */
if (screen->devinfo.platform != INTEL_PLATFORM_CHV &&
!getenv("CROCUS_GEN8"))
return NULL;
}
p_atomic_set(&screen->refcount, 1);
screen->aperture_bytes = get_aperture_size(fd);
screen->aperture_threshold = screen->aperture_bytes * 3 / 4;
driParseConfigFiles(config->options, config->options_info, 0, "crocus",
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;
}
screen->bufmgr = crocus_bufmgr_get_for_fd(&screen->devinfo, fd, bo_reuse);
if (!screen->bufmgr)
return NULL;
screen->fd = crocus_bufmgr_get_fd(screen->bufmgr);
screen->winsys_fd = fd;
process_intel_debug_variable();
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 =
driQueryOptionb(config->options, "always_flush_cache");
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->precompile = debug_get_bool_option("shader_precompile", true);
isl_device_init(&screen->isl_dev, &screen->devinfo);
screen->compiler = elk_compiler_create(screen, &screen->devinfo);
screen->compiler->shader_debug_log = crocus_shader_debug_log;
screen->compiler->shader_perf_log = crocus_shader_perf_log;
screen->compiler->supports_shader_constants = false;
screen->compiler->constant_buffer_0_is_relative = true;
if (screen->devinfo.ver >= 7) {
screen->l3_config_3d = crocus_get_default_l3_config(&screen->devinfo, false);
screen->l3_config_cs = crocus_get_default_l3_config(&screen->devinfo, true);
}
crocus_disk_cache_init(screen);
slab_create_parent(&screen->transfer_pool,
sizeof(struct crocus_transfer), 64);
struct pipe_screen *pscreen = &screen->base;
crocus_init_screen_fence_functions(pscreen);
crocus_init_screen_resource_functions(pscreen);
pscreen->destroy = crocus_screen_unref;
pscreen->get_name = crocus_get_name;
pscreen->get_vendor = crocus_get_vendor;
pscreen->get_device_vendor = crocus_get_device_vendor;
pscreen->get_screen_fd = crocus_screen_get_fd;
pscreen->get_shader_param = crocus_get_shader_param;
pscreen->get_compute_param = crocus_get_compute_param;
pscreen->get_compiler_options = crocus_get_compiler_options;
pscreen->get_device_uuid = crocus_get_device_uuid;
pscreen->get_driver_uuid = crocus_get_driver_uuid;
pscreen->get_disk_shader_cache = crocus_get_disk_shader_cache;
pscreen->is_format_supported = crocus_is_format_supported;
pscreen->context_create = crocus_create_context;
pscreen->get_timestamp = crocus_get_timestamp;
pscreen->query_memory_info = crocus_query_memory_info;
pscreen->get_driver_query_group_info = crocus_get_monitor_group_info;
pscreen->get_driver_query_info = crocus_get_monitor_info;
crocus_init_shader_caps(screen);
crocus_init_compute_caps(screen);
crocus_init_screen_caps(screen);
genX_call(&screen->devinfo, crocus_init_screen_state, screen);
genX_call(&screen->devinfo, crocus_init_screen_query, screen);
return pscreen;
}