/* * 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. */ #include #include #include "pipe/p_defines.h" #include "pipe/p_state.h" #include "util/ralloc.h" #include "util/u_inlines.h" #include "util/u_format.h" #include "util/u_upload_mgr.h" #include "drm-uapi/i915_drm.h" #include "iris_context.h" #include "iris_resource.h" #include "iris_screen.h" #include "common/gen_defines.h" #include "common/gen_sample_positions.h" /** * For debugging purposes, this returns a time in seconds. */ double get_time(void) { struct timespec tp; clock_gettime(CLOCK_MONOTONIC, &tp); return tp.tv_sec + tp.tv_nsec / 1000000000.0; } /** * The pipe->set_debug_callback() driver hook. */ static void iris_set_debug_callback(struct pipe_context *ctx, const struct pipe_debug_callback *cb) { struct iris_context *ice = (struct iris_context *)ctx; if (cb) ice->dbg = *cb; else memset(&ice->dbg, 0, sizeof(ice->dbg)); } static void iris_get_sample_position(struct pipe_context *ctx, unsigned sample_count, unsigned sample_index, float *out_value) { union { struct { float x[16]; float y[16]; } a; struct { float _0XOffset, _1XOffset, _2XOffset, _3XOffset, _4XOffset, _5XOffset, _6XOffset, _7XOffset, _8XOffset, _9XOffset, _10XOffset, _11XOffset, _12XOffset, _13XOffset, _14XOffset, _15XOffset; float _0YOffset, _1YOffset, _2YOffset, _3YOffset, _4YOffset, _5YOffset, _6YOffset, _7YOffset, _8YOffset, _9YOffset, _10YOffset, _11YOffset, _12YOffset, _13YOffset, _14YOffset, _15YOffset; } v; } u; switch (sample_count) { case 1: GEN_SAMPLE_POS_1X(u.v._); break; case 2: GEN_SAMPLE_POS_2X(u.v._); break; case 4: GEN_SAMPLE_POS_4X(u.v._); break; case 8: GEN_SAMPLE_POS_8X(u.v._); break; case 16: GEN_SAMPLE_POS_16X(u.v._); break; default: unreachable("invalid sample count"); } out_value[0] = u.a.x[sample_index]; out_value[1] = u.a.y[sample_index]; } /** * Destroy a context, freeing any associated memory. */ static void iris_destroy_context(struct pipe_context *ctx) { struct iris_context *ice = (struct iris_context *)ctx; if (ctx->stream_uploader) u_upload_destroy(ctx->stream_uploader); ice->vtbl.destroy_state(ice); iris_destroy_program_cache(ice); iris_destroy_border_color_pool(ice); u_upload_destroy(ice->state.surface_uploader); u_upload_destroy(ice->state.dynamic_uploader); u_upload_destroy(ice->query_buffer_uploader); slab_destroy_child(&ice->transfer_pool); iris_batch_free(&ice->batches[IRIS_BATCH_RENDER]); iris_batch_free(&ice->batches[IRIS_BATCH_COMPUTE]); iris_destroy_binder(&ice->state.binder); ralloc_free(ice); } #define genX_call(devinfo, func, ...) \ switch (devinfo->gen) { \ case 11: \ gen11_##func(__VA_ARGS__); \ break; \ case 10: \ gen10_##func(__VA_ARGS__); \ break; \ case 9: \ gen9_##func(__VA_ARGS__); \ break; \ case 8: \ gen8_##func(__VA_ARGS__); \ break; \ default: \ unreachable("Unknown hardware generation"); \ } /** * Create a context. * * This is where each context begins. */ struct pipe_context * iris_create_context(struct pipe_screen *pscreen, void *priv, unsigned flags) { struct iris_screen *screen = (struct iris_screen*)pscreen; const struct gen_device_info *devinfo = &screen->devinfo; struct iris_context *ice = rzalloc(NULL, struct iris_context); if (!ice) return NULL; struct pipe_context *ctx = &ice->ctx; ctx->screen = pscreen; ctx->priv = priv; ctx->stream_uploader = u_upload_create_default(ctx); if (!ctx->stream_uploader) { free(ctx); return NULL; } ctx->const_uploader = ctx->stream_uploader; ctx->destroy = iris_destroy_context; ctx->set_debug_callback = iris_set_debug_callback; ctx->get_sample_position = iris_get_sample_position; ice->shaders.urb_size = devinfo->urb.size; iris_init_context_fence_functions(ctx); iris_init_blit_functions(ctx); iris_init_clear_functions(ctx); iris_init_program_functions(ctx); iris_init_resource_functions(ctx); iris_init_query_functions(ctx); iris_init_flush_functions(ctx); iris_init_program_cache(ice); iris_init_border_color_pool(ice); iris_init_binder(ice); slab_create_child(&ice->transfer_pool, &screen->transfer_pool); ice->state.surface_uploader = u_upload_create(ctx, 16384, PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, IRIS_RESOURCE_FLAG_SURFACE_MEMZONE); ice->state.dynamic_uploader = u_upload_create(ctx, 16384, PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, IRIS_RESOURCE_FLAG_DYNAMIC_MEMZONE); ice->query_buffer_uploader = u_upload_create(ctx, 4096, PIPE_BIND_CUSTOM, PIPE_USAGE_STAGING, 0); genX_call(devinfo, init_state, ice); genX_call(devinfo, init_blorp, ice); int priority = 0; if (flags & PIPE_CONTEXT_HIGH_PRIORITY) priority = GEN_CONTEXT_HIGH_PRIORITY; if (flags & PIPE_CONTEXT_LOW_PRIORITY) priority = GEN_CONTEXT_LOW_PRIORITY; for (int i = 0; i < IRIS_BATCH_COUNT; i++) { iris_init_batch(&ice->batches[i], screen, &ice->vtbl, &ice->dbg, ice->batches, (enum iris_batch_name) i, I915_EXEC_RENDER, priority); } ice->vtbl.init_render_context(screen, &ice->batches[IRIS_BATCH_RENDER], &ice->vtbl, &ice->dbg); ice->vtbl.init_compute_context(screen, &ice->batches[IRIS_BATCH_COMPUTE], &ice->vtbl, &ice->dbg); return ctx; }