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Diffstat (limited to 'src/vulkan/anv_pipeline.c')
| -rw-r--r-- | src/vulkan/anv_pipeline.c | 1158 |
1 files changed, 1158 insertions, 0 deletions
diff --git a/src/vulkan/anv_pipeline.c b/src/vulkan/anv_pipeline.c new file mode 100644 index 00000000000..3d9e0705626 --- /dev/null +++ b/src/vulkan/anv_pipeline.c @@ -0,0 +1,1158 @@ +/* + * Copyright © 2015 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 (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#include <assert.h> +#include <stdbool.h> +#include <string.h> +#include <unistd.h> +#include <fcntl.h> + +#include "anv_private.h" +#include "brw_nir.h" +#include "anv_nir.h" +#include "glsl/nir/nir_spirv.h" + +/* Needed for SWIZZLE macros */ +#include "program/prog_instruction.h" + +// Shader functions + +VkResult anv_CreateShaderModule( + VkDevice _device, + const VkShaderModuleCreateInfo* pCreateInfo, + VkShaderModule* pShaderModule) +{ + ANV_FROM_HANDLE(anv_device, device, _device); + struct anv_shader_module *module; + + assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO); + assert(pCreateInfo->flags == 0); + + module = anv_device_alloc(device, sizeof(*module) + pCreateInfo->codeSize, 8, + VK_SYSTEM_ALLOC_TYPE_API_OBJECT); + if (module == NULL) + return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY); + + module->nir = NULL; + module->size = pCreateInfo->codeSize; + memcpy(module->data, pCreateInfo->pCode, module->size); + + *pShaderModule = anv_shader_module_to_handle(module); + + return VK_SUCCESS; +} + +void anv_DestroyShaderModule( + VkDevice _device, + VkShaderModule _module) +{ + ANV_FROM_HANDLE(anv_device, device, _device); + ANV_FROM_HANDLE(anv_shader_module, module, _module); + + anv_device_free(device, module); +} + +VkResult anv_CreateShader( + VkDevice _device, + const VkShaderCreateInfo* pCreateInfo, + VkShader* pShader) +{ + ANV_FROM_HANDLE(anv_device, device, _device); + ANV_FROM_HANDLE(anv_shader_module, module, pCreateInfo->module); + struct anv_shader *shader; + + assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SHADER_CREATE_INFO); + assert(pCreateInfo->flags == 0); + + const char *name = pCreateInfo->pName ? pCreateInfo->pName : "main"; + size_t name_len = strlen(name); + + shader = anv_device_alloc(device, sizeof(*shader) + name_len + 1, 8, + VK_SYSTEM_ALLOC_TYPE_API_OBJECT); + if (shader == NULL) + return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY); + + shader->module = module, + memcpy(shader->entrypoint, name, name_len + 1); + + *pShader = anv_shader_to_handle(shader); + + return VK_SUCCESS; +} + +void anv_DestroyShader( + VkDevice _device, + VkShader _shader) +{ + ANV_FROM_HANDLE(anv_device, device, _device); + ANV_FROM_HANDLE(anv_shader, shader, _shader); + + anv_device_free(device, shader); +} + +#define SPIR_V_MAGIC_NUMBER 0x07230203 + +static const gl_shader_stage vk_shader_stage_to_mesa_stage[] = { + [VK_SHADER_STAGE_VERTEX] = MESA_SHADER_VERTEX, + [VK_SHADER_STAGE_TESS_CONTROL] = -1, + [VK_SHADER_STAGE_TESS_EVALUATION] = -1, + [VK_SHADER_STAGE_GEOMETRY] = MESA_SHADER_GEOMETRY, + [VK_SHADER_STAGE_FRAGMENT] = MESA_SHADER_FRAGMENT, + [VK_SHADER_STAGE_COMPUTE] = MESA_SHADER_COMPUTE, +}; + +bool +anv_is_scalar_shader_stage(const struct brw_compiler *compiler, + VkShaderStage stage) +{ + return compiler->scalar_stage[vk_shader_stage_to_mesa_stage[stage]]; +} + +/* Eventually, this will become part of anv_CreateShader. Unfortunately, + * we can't do that yet because we don't have the ability to copy nir. + */ +static nir_shader * +anv_shader_compile_to_nir(struct anv_device *device, + struct anv_shader *shader, VkShaderStage vk_stage) +{ + if (strcmp(shader->entrypoint, "main") != 0) { + anv_finishme("Multiple shaders per module not really supported"); + } + + gl_shader_stage stage = vk_shader_stage_to_mesa_stage[vk_stage]; + const struct brw_compiler *compiler = + device->instance->physicalDevice.compiler; + const nir_shader_compiler_options *nir_options = + compiler->glsl_compiler_options[stage].NirOptions; + + nir_shader *nir; + if (shader->module->nir) { + /* Some things such as our meta clear/blit code will give us a NIR + * shader directly. In that case, we just ignore the SPIR-V entirely + * and just use the NIR shader */ + nir = shader->module->nir; + nir->options = nir_options; + } else { + uint32_t *spirv = (uint32_t *) shader->module->data; + assert(spirv[0] == SPIR_V_MAGIC_NUMBER); + assert(shader->module->size % 4 == 0); + + nir = spirv_to_nir(spirv, shader->module->size / 4, stage, nir_options); + } + nir_validate_shader(nir); + + /* Vulkan uses the separate-shader linking model */ + nir->info.separate_shader = true; + + /* Make sure the provided shader has exactly one entrypoint and that the + * name matches the name that came in from the VkShader. + */ + nir_function_impl *entrypoint = NULL; + nir_foreach_overload(nir, overload) { + if (strcmp(shader->entrypoint, overload->function->name) == 0 && + overload->impl) { + assert(entrypoint == NULL); + entrypoint = overload->impl; + } + } + assert(entrypoint != NULL); + + nir = brw_preprocess_nir(nir, compiler->scalar_stage[stage]); + + nir_shader_gather_info(nir, entrypoint); + + return nir; +} + +VkResult anv_CreatePipelineCache( + VkDevice device, + const VkPipelineCacheCreateInfo* pCreateInfo, + VkPipelineCache* pPipelineCache) +{ + pPipelineCache->handle = 1; + + stub_return(VK_SUCCESS); +} + +void anv_DestroyPipelineCache( + VkDevice _device, + VkPipelineCache _cache) +{ +} + +size_t anv_GetPipelineCacheSize( + VkDevice device, + VkPipelineCache pipelineCache) +{ + stub_return(0); +} + +VkResult anv_GetPipelineCacheData( + VkDevice device, + VkPipelineCache pipelineCache, + void* pData) +{ + stub_return(VK_UNSUPPORTED); +} + +VkResult anv_MergePipelineCaches( + VkDevice device, + VkPipelineCache destCache, + uint32_t srcCacheCount, + const VkPipelineCache* pSrcCaches) +{ + stub_return(VK_UNSUPPORTED); +} + +void anv_DestroyPipeline( + VkDevice _device, + VkPipeline _pipeline) +{ + ANV_FROM_HANDLE(anv_device, device, _device); + ANV_FROM_HANDLE(anv_pipeline, pipeline, _pipeline); + + anv_reloc_list_finish(&pipeline->batch_relocs, pipeline->device); + anv_state_stream_finish(&pipeline->program_stream); + if (pipeline->blend_state.map) + anv_state_pool_free(&device->dynamic_state_pool, pipeline->blend_state); + anv_device_free(pipeline->device, pipeline); +} + +static const uint32_t vk_to_gen_primitive_type[] = { + [VK_PRIMITIVE_TOPOLOGY_POINT_LIST] = _3DPRIM_POINTLIST, + [VK_PRIMITIVE_TOPOLOGY_LINE_LIST] = _3DPRIM_LINELIST, + [VK_PRIMITIVE_TOPOLOGY_LINE_STRIP] = _3DPRIM_LINESTRIP, + [VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST] = _3DPRIM_TRILIST, + [VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP] = _3DPRIM_TRISTRIP, + [VK_PRIMITIVE_TOPOLOGY_TRIANGLE_FAN] = _3DPRIM_TRIFAN, + [VK_PRIMITIVE_TOPOLOGY_LINE_LIST_ADJ] = _3DPRIM_LINELIST_ADJ, + [VK_PRIMITIVE_TOPOLOGY_LINE_STRIP_ADJ] = _3DPRIM_LINESTRIP_ADJ, + [VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST_ADJ] = _3DPRIM_TRILIST_ADJ, + [VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP_ADJ] = _3DPRIM_TRISTRIP_ADJ, +/* [VK_PRIMITIVE_TOPOLOGY_PATCH] = _3DPRIM_PATCHLIST_1 */ +}; + +static void +populate_sampler_prog_key(const struct brw_device_info *devinfo, + struct brw_sampler_prog_key_data *key) +{ + /* XXX: Handle texture swizzle on HSW- */ + for (int i = 0; i < MAX_SAMPLERS; i++) { + /* Assume color sampler, no swizzling. (Works for BDW+) */ + key->swizzles[i] = SWIZZLE_XYZW; + } +} + +static void +populate_vs_prog_key(const struct brw_device_info *devinfo, + struct brw_vs_prog_key *key) +{ + memset(key, 0, sizeof(*key)); + + populate_sampler_prog_key(devinfo, &key->tex); + + /* XXX: Handle vertex input work-arounds */ + + /* XXX: Handle sampler_prog_key */ +} + +static void +populate_gs_prog_key(const struct brw_device_info *devinfo, + struct brw_gs_prog_key *key) +{ + memset(key, 0, sizeof(*key)); + + populate_sampler_prog_key(devinfo, &key->tex); +} + +static void +populate_wm_prog_key(const struct brw_device_info *devinfo, + const VkGraphicsPipelineCreateInfo *info, + struct brw_wm_prog_key *key) +{ + ANV_FROM_HANDLE(anv_render_pass, render_pass, info->renderPass); + + memset(key, 0, sizeof(*key)); + + populate_sampler_prog_key(devinfo, &key->tex); + + /* TODO: Fill out key->input_slots_valid */ + + /* Vulkan doesn't specify a default */ + key->high_quality_derivatives = false; + + /* XXX Vulkan doesn't appear to specify */ + key->clamp_fragment_color = false; + + /* Vulkan always specifies upper-left coordinates */ + key->drawable_height = 0; + key->render_to_fbo = false; + + key->nr_color_regions = render_pass->subpasses[info->subpass].color_count; + + key->replicate_alpha = key->nr_color_regions > 1 && + info->pColorBlendState->alphaToCoverageEnable; + + if (info->pMultisampleState && info->pMultisampleState->rasterSamples > 1) { + /* We should probably pull this out of the shader, but it's fairly + * harmless to compute it and then let dead-code take care of it. + */ + key->persample_shading = info->pMultisampleState->sampleShadingEnable; + if (key->persample_shading) + key->persample_2x = info->pMultisampleState->rasterSamples == 2; + + key->compute_pos_offset = info->pMultisampleState->sampleShadingEnable; + key->compute_sample_id = info->pMultisampleState->sampleShadingEnable; + } +} + +static void +populate_cs_prog_key(const struct brw_device_info *devinfo, + struct brw_cs_prog_key *key) +{ + memset(key, 0, sizeof(*key)); + + populate_sampler_prog_key(devinfo, &key->tex); +} + +static nir_shader * +anv_pipeline_compile(struct anv_pipeline *pipeline, + struct anv_shader *shader, + VkShaderStage stage, + struct brw_stage_prog_data *prog_data) +{ + const struct brw_compiler *compiler = + pipeline->device->instance->physicalDevice.compiler; + + nir_shader *nir = anv_shader_compile_to_nir(pipeline->device, shader, stage); + if (nir == NULL) + return NULL; + + anv_nir_lower_push_constants(nir, anv_is_scalar_shader_stage(compiler, stage)); + + /* Figure out the number of parameters */ + prog_data->nr_params = 0; + + if (nir->num_uniforms > 0) { + /* If the shader uses any push constants at all, we'll just give + * them the maximum possible number + */ + prog_data->nr_params += MAX_PUSH_CONSTANTS_SIZE / sizeof(float); + } + + if (pipeline->layout && pipeline->layout->stage[stage].has_dynamic_offsets) + prog_data->nr_params += MAX_DYNAMIC_BUFFERS * 2; + + if (prog_data->nr_params > 0) { + prog_data->param = (const gl_constant_value **) + anv_device_alloc(pipeline->device, + prog_data->nr_params * sizeof(gl_constant_value *), + 8, VK_SYSTEM_ALLOC_TYPE_INTERNAL_SHADER); + + /* We now set the param values to be offsets into a + * anv_push_constant_data structure. Since the compiler doesn't + * actually dereference any of the gl_constant_value pointers in the + * params array, it doesn't really matter what we put here. + */ + struct anv_push_constants *null_data = NULL; + if (nir->num_uniforms > 0) { + /* Fill out the push constants section of the param array */ + for (unsigned i = 0; i < MAX_PUSH_CONSTANTS_SIZE / sizeof(float); i++) + prog_data->param[i] = (const gl_constant_value *) + &null_data->client_data[i * sizeof(float)]; + } + } + + /* Set up dynamic offsets */ + anv_nir_apply_dynamic_offsets(pipeline, nir, prog_data); + + /* Apply the actual pipeline layout to UBOs, SSBOs, and textures */ + anv_nir_apply_pipeline_layout(nir, pipeline->layout); + + /* All binding table offsets provided by apply_pipeline_layout() are + * relative to the start of the bindint table (plus MAX_RTS for VS). + */ + unsigned bias = stage == VK_SHADER_STAGE_FRAGMENT ? MAX_RTS : 0; + prog_data->binding_table.size_bytes = 0; + prog_data->binding_table.texture_start = bias; + prog_data->binding_table.ubo_start = bias; + prog_data->binding_table.ssbo_start = bias; + prog_data->binding_table.image_start = bias; + + /* Finish the optimization and compilation process */ + nir = brw_lower_nir(nir, &pipeline->device->info, NULL, + anv_is_scalar_shader_stage(compiler, stage)); + + /* nir_lower_io will only handle the push constants; we need to set this + * to the full number of possible uniforms. + */ + nir->num_uniforms = prog_data->nr_params; + + return nir; +} + +static uint32_t +anv_pipeline_upload_kernel(struct anv_pipeline *pipeline, + const void *data, size_t size) +{ + struct anv_state state = + anv_state_stream_alloc(&pipeline->program_stream, size, 64); + + assert(size < pipeline->program_stream.block_pool->block_size); + + memcpy(state.map, data, size); + + return state.offset; +} +static void +anv_pipeline_add_compiled_stage(struct anv_pipeline *pipeline, + VkShaderStage stage, + struct brw_stage_prog_data *prog_data) +{ + struct brw_device_info *devinfo = &pipeline->device->info; + uint32_t max_threads[] = { + [VK_SHADER_STAGE_VERTEX] = devinfo->max_vs_threads, + [VK_SHADER_STAGE_TESS_CONTROL] = 0, + [VK_SHADER_STAGE_TESS_EVALUATION] = 0, + [VK_SHADER_STAGE_GEOMETRY] = devinfo->max_gs_threads, + [VK_SHADER_STAGE_FRAGMENT] = devinfo->max_wm_threads, + [VK_SHADER_STAGE_COMPUTE] = devinfo->max_cs_threads, + }; + + pipeline->prog_data[stage] = prog_data; + pipeline->active_stages |= 1 << stage; + pipeline->scratch_start[stage] = pipeline->total_scratch; + pipeline->total_scratch = + align_u32(pipeline->total_scratch, 1024) + + prog_data->total_scratch * max_threads[stage]; +} + +static VkResult +anv_pipeline_compile_vs(struct anv_pipeline *pipeline, + const VkGraphicsPipelineCreateInfo *info, + struct anv_shader *shader) +{ + const struct brw_compiler *compiler = + pipeline->device->instance->physicalDevice.compiler; + struct brw_vs_prog_data *prog_data = &pipeline->vs_prog_data; + struct brw_vs_prog_key key; + + populate_vs_prog_key(&pipeline->device->info, &key); + + /* TODO: Look up shader in cache */ + + memset(prog_data, 0, sizeof(*prog_data)); + + nir_shader *nir = anv_pipeline_compile(pipeline, shader, + VK_SHADER_STAGE_VERTEX, + &prog_data->base.base); + if (nir == NULL) + return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY); + + void *mem_ctx = ralloc_context(NULL); + + if (shader->module->nir == NULL) + ralloc_steal(mem_ctx, nir); + + prog_data->inputs_read = nir->info.inputs_read; + pipeline->writes_point_size = nir->info.outputs_written & VARYING_SLOT_PSIZ; + + brw_compute_vue_map(&pipeline->device->info, + &prog_data->base.vue_map, + nir->info.outputs_written, + nir->info.separate_shader); + + unsigned code_size; + const unsigned *shader_code = + brw_compile_vs(compiler, NULL, mem_ctx, &key, prog_data, nir, + NULL, false, -1, &code_size, NULL); + if (shader_code == NULL) { + ralloc_free(mem_ctx); + return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY); + } + + const uint32_t offset = + anv_pipeline_upload_kernel(pipeline, shader_code, code_size); + if (prog_data->base.dispatch_mode == DISPATCH_MODE_SIMD8) { + pipeline->vs_simd8 = offset; + pipeline->vs_vec4 = NO_KERNEL; + } else { + pipeline->vs_simd8 = NO_KERNEL; + pipeline->vs_vec4 = offset; + } + + ralloc_free(mem_ctx); + + anv_pipeline_add_compiled_stage(pipeline, VK_SHADER_STAGE_VERTEX, + &prog_data->base.base); + + return VK_SUCCESS; +} + +static VkResult +anv_pipeline_compile_gs(struct anv_pipeline *pipeline, + const VkGraphicsPipelineCreateInfo *info, + struct anv_shader *shader) +{ + const struct brw_compiler *compiler = + pipeline->device->instance->physicalDevice.compiler; + struct brw_gs_prog_data *prog_data = &pipeline->gs_prog_data; + struct brw_gs_prog_key key; + + populate_gs_prog_key(&pipeline->device->info, &key); + + /* TODO: Look up shader in cache */ + + memset(prog_data, 0, sizeof(*prog_data)); + + nir_shader *nir = anv_pipeline_compile(pipeline, shader, + VK_SHADER_STAGE_GEOMETRY, + &prog_data->base.base); + if (nir == NULL) + return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY); + + void *mem_ctx = ralloc_context(NULL); + + if (shader->module->nir == NULL) + ralloc_steal(mem_ctx, nir); + + brw_compute_vue_map(&pipeline->device->info, + &prog_data->base.vue_map, + nir->info.outputs_written, + nir->info.separate_shader); + + unsigned code_size; + const unsigned *shader_code = + brw_compile_gs(compiler, NULL, mem_ctx, &key, prog_data, nir, + NULL, -1, &code_size, NULL); + if (shader_code == NULL) { + ralloc_free(mem_ctx); + return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY); + } + + /* TODO: SIMD8 GS */ + pipeline->gs_vec4 = + anv_pipeline_upload_kernel(pipeline, shader_code, code_size); + pipeline->gs_vertex_count = nir->info.gs.vertices_in; + + ralloc_free(mem_ctx); + + anv_pipeline_add_compiled_stage(pipeline, VK_SHADER_STAGE_GEOMETRY, + &prog_data->base.base); + + return VK_SUCCESS; +} + +static VkResult +anv_pipeline_compile_fs(struct anv_pipeline *pipeline, + const VkGraphicsPipelineCreateInfo *info, + struct anv_shader *shader) +{ + const struct brw_compiler *compiler = + pipeline->device->instance->physicalDevice.compiler; + struct brw_wm_prog_data *prog_data = &pipeline->wm_prog_data; + struct brw_wm_prog_key key; + + populate_wm_prog_key(&pipeline->device->info, info, &key); + + if (pipeline->use_repclear) + key.nr_color_regions = 1; + + /* TODO: Look up shader in cache */ + + memset(prog_data, 0, sizeof(*prog_data)); + + prog_data->binding_table.render_target_start = 0; + + nir_shader *nir = anv_pipeline_compile(pipeline, shader, + VK_SHADER_STAGE_FRAGMENT, + &prog_data->base); + if (nir == NULL) + return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY); + + void *mem_ctx = ralloc_context(NULL); + + if (shader->module->nir == NULL) + ralloc_steal(mem_ctx, nir); + + unsigned code_size; + const unsigned *shader_code = + brw_compile_fs(compiler, NULL, mem_ctx, &key, prog_data, nir, + NULL, -1, -1, pipeline->use_repclear, &code_size, NULL); + if (shader_code == NULL) { + ralloc_free(mem_ctx); + return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY); + } + + uint32_t offset = anv_pipeline_upload_kernel(pipeline, + shader_code, code_size); + if (prog_data->no_8) + pipeline->ps_simd8 = NO_KERNEL; + else + pipeline->ps_simd8 = offset; + + if (prog_data->no_8 || prog_data->prog_offset_16) { + pipeline->ps_simd16 = offset + prog_data->prog_offset_16; + } else { + pipeline->ps_simd16 = NO_KERNEL; + } + + pipeline->ps_ksp2 = 0; + pipeline->ps_grf_start2 = 0; + if (pipeline->ps_simd8 != NO_KERNEL) { + pipeline->ps_ksp0 = pipeline->ps_simd8; + pipeline->ps_grf_start0 = prog_data->base.dispatch_grf_start_reg; + if (pipeline->ps_simd16 != NO_KERNEL) { + pipeline->ps_ksp2 = pipeline->ps_simd16; + pipeline->ps_grf_start2 = prog_data->dispatch_grf_start_reg_16; + } + } else if (pipeline->ps_simd16 != NO_KERNEL) { + pipeline->ps_ksp0 = pipeline->ps_simd16; + pipeline->ps_grf_start0 = prog_data->dispatch_grf_start_reg_16; + } + + ralloc_free(mem_ctx); + + anv_pipeline_add_compiled_stage(pipeline, VK_SHADER_STAGE_FRAGMENT, + &prog_data->base); + + return VK_SUCCESS; +} + +VkResult +anv_pipeline_compile_cs(struct anv_pipeline *pipeline, + const VkComputePipelineCreateInfo *info, + struct anv_shader *shader) +{ + const struct brw_compiler *compiler = + pipeline->device->instance->physicalDevice.compiler; + struct brw_cs_prog_data *prog_data = &pipeline->cs_prog_data; + struct brw_cs_prog_key key; + + populate_cs_prog_key(&pipeline->device->info, &key); + + /* TODO: Look up shader in cache */ + + memset(prog_data, 0, sizeof(*prog_data)); + + nir_shader *nir = anv_pipeline_compile(pipeline, shader, + VK_SHADER_STAGE_COMPUTE, + &prog_data->base); + if (nir == NULL) + return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY); + + void *mem_ctx = ralloc_context(NULL); + + if (shader->module->nir == NULL) + ralloc_steal(mem_ctx, nir); + + unsigned code_size; + const unsigned *shader_code = + brw_compile_cs(compiler, NULL, mem_ctx, &key, prog_data, nir, + -1, &code_size, NULL); + if (shader_code == NULL) { + ralloc_free(mem_ctx); + return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY); + } + + pipeline->cs_simd = anv_pipeline_upload_kernel(pipeline, + shader_code, code_size); + ralloc_free(mem_ctx); + + anv_pipeline_add_compiled_stage(pipeline, VK_SHADER_STAGE_COMPUTE, + &prog_data->base); + + return VK_SUCCESS; +} + +static const int gen8_push_size = 32 * 1024; + +static void +gen7_compute_urb_partition(struct anv_pipeline *pipeline) +{ + const struct brw_device_info *devinfo = &pipeline->device->info; + bool vs_present = pipeline->active_stages & VK_SHADER_STAGE_VERTEX_BIT; + unsigned vs_size = vs_present ? pipeline->vs_prog_data.base.urb_entry_size : 1; + unsigned vs_entry_size_bytes = vs_size * 64; + bool gs_present = pipeline->active_stages & VK_SHADER_STAGE_GEOMETRY_BIT; + unsigned gs_size = gs_present ? pipeline->gs_prog_data.base.urb_entry_size : 1; + unsigned gs_entry_size_bytes = gs_size * 64; + + /* From p35 of the Ivy Bridge PRM (section 1.7.1: 3DSTATE_URB_GS): + * + * VS Number of URB Entries must be divisible by 8 if the VS URB Entry + * Allocation Size is less than 9 512-bit URB entries. + * + * Similar text exists for GS. + */ + unsigned vs_granularity = (vs_size < 9) ? 8 : 1; + unsigned gs_granularity = (gs_size < 9) ? 8 : 1; + + /* URB allocations must be done in 8k chunks. */ + unsigned chunk_size_bytes = 8192; + + /* Determine the size of the URB in chunks. */ + unsigned urb_chunks = devinfo->urb.size * 1024 / chunk_size_bytes; + + /* Reserve space for push constants */ + unsigned push_constant_bytes = gen8_push_size; + unsigned push_constant_chunks = + push_constant_bytes / chunk_size_bytes; + + /* Initially, assign each stage the minimum amount of URB space it needs, + * and make a note of how much additional space it "wants" (the amount of + * additional space it could actually make use of). + */ + + /* VS has a lower limit on the number of URB entries */ + unsigned vs_chunks = + ALIGN(devinfo->urb.min_vs_entries * vs_entry_size_bytes, + chunk_size_bytes) / chunk_size_bytes; + unsigned vs_wants = + ALIGN(devinfo->urb.max_vs_entries * vs_entry_size_bytes, + chunk_size_bytes) / chunk_size_bytes - vs_chunks; + + unsigned gs_chunks = 0; + unsigned gs_wants = 0; + if (gs_present) { + /* There are two constraints on the minimum amount of URB space we can + * allocate: + * + * (1) We need room for at least 2 URB entries, since we always operate + * the GS in DUAL_OBJECT mode. + * + * (2) We can't allocate less than nr_gs_entries_granularity. + */ + gs_chunks = ALIGN(MAX2(gs_granularity, 2) * gs_entry_size_bytes, + chunk_size_bytes) / chunk_size_bytes; + gs_wants = + ALIGN(devinfo->urb.max_gs_entries * gs_entry_size_bytes, + chunk_size_bytes) / chunk_size_bytes - gs_chunks; + } + + /* There should always be enough URB space to satisfy the minimum + * requirements of each stage. + */ + unsigned total_needs = push_constant_chunks + vs_chunks + gs_chunks; + assert(total_needs <= urb_chunks); + + /* Mete out remaining space (if any) in proportion to "wants". */ + unsigned total_wants = vs_wants + gs_wants; + unsigned remaining_space = urb_chunks - total_needs; + if (remaining_space > total_wants) + remaining_space = total_wants; + if (remaining_space > 0) { + unsigned vs_additional = (unsigned) + round(vs_wants * (((double) remaining_space) / total_wants)); + vs_chunks += vs_additional; + remaining_space -= vs_additional; + gs_chunks += remaining_space; + } + + /* Sanity check that we haven't over-allocated. */ + assert(push_constant_chunks + vs_chunks + gs_chunks <= urb_chunks); + + /* Finally, compute the number of entries that can fit in the space + * allocated to each stage. + */ + unsigned nr_vs_entries = vs_chunks * chunk_size_bytes / vs_entry_size_bytes; + unsigned nr_gs_entries = gs_chunks * chunk_size_bytes / gs_entry_size_bytes; + + /* Since we rounded up when computing *_wants, this may be slightly more + * than the maximum allowed amount, so correct for that. + */ + nr_vs_entries = MIN2(nr_vs_entries, devinfo->urb.max_vs_entries); + nr_gs_entries = MIN2(nr_gs_entries, devinfo->urb.max_gs_entries); + + /* Ensure that we program a multiple of the granularity. */ + nr_vs_entries = ROUND_DOWN_TO(nr_vs_entries, vs_granularity); + nr_gs_entries = ROUND_DOWN_TO(nr_gs_entries, gs_granularity); + + /* Finally, sanity check to make sure we have at least the minimum number + * of entries needed for each stage. + */ + assert(nr_vs_entries >= devinfo->urb.min_vs_entries); + if (gs_present) + assert(nr_gs_entries >= 2); + + /* Lay out the URB in the following order: + * - push constants + * - VS + * - GS + */ + pipeline->urb.vs_start = push_constant_chunks; + pipeline->urb.vs_size = vs_size; + pipeline->urb.nr_vs_entries = nr_vs_entries; + + pipeline->urb.gs_start = push_constant_chunks + vs_chunks; + pipeline->urb.gs_size = gs_size; + pipeline->urb.nr_gs_entries = nr_gs_entries; +} + +static void +anv_pipeline_init_dynamic_state(struct anv_pipeline *pipeline, + const VkGraphicsPipelineCreateInfo *pCreateInfo) +{ + anv_cmd_dirty_mask_t states = ANV_CMD_DIRTY_DYNAMIC_ALL; + ANV_FROM_HANDLE(anv_render_pass, pass, pCreateInfo->renderPass); + struct anv_subpass *subpass = &pass->subpasses[pCreateInfo->subpass]; + + pipeline->dynamic_state = default_dynamic_state; + + if (pCreateInfo->pDynamicState) { + /* Remove all of the states that are marked as dynamic */ + uint32_t count = pCreateInfo->pDynamicState->dynamicStateCount; + for (uint32_t s = 0; s < count; s++) + states &= ~(1 << pCreateInfo->pDynamicState->pDynamicStates[s]); + } + + struct anv_dynamic_state *dynamic = &pipeline->dynamic_state; + + dynamic->viewport.count = pCreateInfo->pViewportState->viewportCount; + if (states & (1 << VK_DYNAMIC_STATE_VIEWPORT)) { + typed_memcpy(dynamic->viewport.viewports, + pCreateInfo->pViewportState->pViewports, + pCreateInfo->pViewportState->viewportCount); + } + + dynamic->scissor.count = pCreateInfo->pViewportState->scissorCount; + if (states & (1 << VK_DYNAMIC_STATE_SCISSOR)) { + typed_memcpy(dynamic->scissor.scissors, + pCreateInfo->pViewportState->pScissors, + pCreateInfo->pViewportState->scissorCount); + } + + if (states & (1 << VK_DYNAMIC_STATE_LINE_WIDTH)) { + assert(pCreateInfo->pRasterState); + dynamic->line_width = pCreateInfo->pRasterState->lineWidth; + } + + if (states & (1 << VK_DYNAMIC_STATE_DEPTH_BIAS)) { + assert(pCreateInfo->pRasterState); + dynamic->depth_bias.bias = pCreateInfo->pRasterState->depthBias; + dynamic->depth_bias.clamp = pCreateInfo->pRasterState->depthBiasClamp; + dynamic->depth_bias.slope_scaled = + pCreateInfo->pRasterState->slopeScaledDepthBias; + } + + if (states & (1 << VK_DYNAMIC_STATE_BLEND_CONSTANTS)) { + assert(pCreateInfo->pColorBlendState); + typed_memcpy(dynamic->blend_constants, + pCreateInfo->pColorBlendState->blendConst, 4); + } + + /* If there is no depthstencil attachment, then don't read + * pDepthStencilState. The Vulkan spec states that pDepthStencilState may + * be NULL in this case. Even if pDepthStencilState is non-NULL, there is + * no need to override the depthstencil defaults in + * anv_pipeline::dynamic_state when there is no depthstencil attachment. + * + * From the Vulkan spec (20 Oct 2015, git-aa308cb): + * + * pDepthStencilState [...] may only be NULL if renderPass and subpass + * specify a subpass that has no depth/stencil attachment. + */ + if (subpass->depth_stencil_attachment != VK_ATTACHMENT_UNUSED) { + if (states & (1 << VK_DYNAMIC_STATE_DEPTH_BOUNDS)) { + assert(pCreateInfo->pDepthStencilState); + dynamic->depth_bounds.min = + pCreateInfo->pDepthStencilState->minDepthBounds; + dynamic->depth_bounds.max = + pCreateInfo->pDepthStencilState->maxDepthBounds; + } + + if (states & (1 << VK_DYNAMIC_STATE_STENCIL_COMPARE_MASK)) { + assert(pCreateInfo->pDepthStencilState); + dynamic->stencil_compare_mask.front = + pCreateInfo->pDepthStencilState->front.stencilCompareMask; + dynamic->stencil_compare_mask.back = + pCreateInfo->pDepthStencilState->back.stencilCompareMask; + } + + if (states & (1 << VK_DYNAMIC_STATE_STENCIL_WRITE_MASK)) { + assert(pCreateInfo->pDepthStencilState); + dynamic->stencil_write_mask.front = + pCreateInfo->pDepthStencilState->front.stencilWriteMask; + dynamic->stencil_write_mask.back = + pCreateInfo->pDepthStencilState->back.stencilWriteMask; + } + + if (states & (1 << VK_DYNAMIC_STATE_STENCIL_REFERENCE)) { + assert(pCreateInfo->pDepthStencilState); + dynamic->stencil_reference.front = + pCreateInfo->pDepthStencilState->front.stencilReference; + dynamic->stencil_reference.back = + pCreateInfo->pDepthStencilState->back.stencilReference; + } + } + + pipeline->dynamic_state_mask = states; +} + +static void +anv_pipeline_validate_create_info(const VkGraphicsPipelineCreateInfo *info) +{ + struct anv_render_pass *renderpass = NULL; + struct anv_subpass *subpass = NULL; + + /* Assert that all required members of VkGraphicsPipelineCreateInfo are + * present, as explained by the Vulkan (20 Oct 2015, git-aa308cb), Section + * 4.2 Graphics Pipeline. + */ + assert(info->sType == VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO); + + renderpass = anv_render_pass_from_handle(info->renderPass); + assert(renderpass); + + if (renderpass != &anv_meta_dummy_renderpass) { + assert(info->subpass < renderpass->subpass_count); + subpass = &renderpass->subpasses[info->subpass]; + } + + assert(info->stageCount >= 1); + assert(info->pVertexInputState); + assert(info->pInputAssemblyState); + assert(info->pViewportState); + assert(info->pRasterState); + assert(info->pMultisampleState); + + if (subpass && subpass->depth_stencil_attachment != VK_ATTACHMENT_UNUSED) + assert(info->pDepthStencilState); + + if (subpass && subpass->color_count > 0) + assert(info->pColorBlendState); + + for (uint32_t i = 0; i < info->stageCount; ++i) { + switch (info->pStages[i].stage) { + case VK_SHADER_STAGE_TESS_CONTROL: + case VK_SHADER_STAGE_TESS_EVALUATION: + assert(info->pTessellationState); + break; + default: + break; + } + } +} + +VkResult +anv_pipeline_init(struct anv_pipeline *pipeline, struct anv_device *device, + const VkGraphicsPipelineCreateInfo *pCreateInfo, + const struct anv_graphics_pipeline_create_info *extra) +{ + VkResult result; + + anv_validate { + anv_pipeline_validate_create_info(pCreateInfo); + } + + pipeline->device = device; + pipeline->layout = anv_pipeline_layout_from_handle(pCreateInfo->layout); + + result = anv_reloc_list_init(&pipeline->batch_relocs, device); + if (result != VK_SUCCESS) { + anv_device_free(device, pipeline); + return result; + } + pipeline->batch.next = pipeline->batch.start = pipeline->batch_data; + pipeline->batch.end = pipeline->batch.start + sizeof(pipeline->batch_data); + pipeline->batch.relocs = &pipeline->batch_relocs; + + anv_state_stream_init(&pipeline->program_stream, + &device->instruction_block_pool); + + anv_pipeline_init_dynamic_state(pipeline, pCreateInfo); + + if (pCreateInfo->pTessellationState) + anv_finishme("VK_STRUCTURE_TYPE_PIPELINE_TESSELLATION_STATE_CREATE_INFO"); + if (pCreateInfo->pMultisampleState && + pCreateInfo->pMultisampleState->rasterSamples > 1) + anv_finishme("VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO"); + + pipeline->use_repclear = extra && extra->use_repclear; + pipeline->writes_point_size = false; + + /* When we free the pipeline, we detect stages based on the NULL status + * of various prog_data pointers. Make them NULL by default. + */ + memset(pipeline->prog_data, 0, sizeof(pipeline->prog_data)); + memset(pipeline->scratch_start, 0, sizeof(pipeline->scratch_start)); + + pipeline->vs_simd8 = NO_KERNEL; + pipeline->vs_vec4 = NO_KERNEL; + pipeline->gs_vec4 = NO_KERNEL; + + pipeline->active_stages = 0; + pipeline->total_scratch = 0; + + for (uint32_t i = 0; i < pCreateInfo->stageCount; i++) { + ANV_FROM_HANDLE(anv_shader, shader, pCreateInfo->pStages[i].shader); + + switch (pCreateInfo->pStages[i].stage) { + case VK_SHADER_STAGE_VERTEX: + anv_pipeline_compile_vs(pipeline, pCreateInfo, shader); + break; + case VK_SHADER_STAGE_GEOMETRY: + anv_pipeline_compile_gs(pipeline, pCreateInfo, shader); + break; + case VK_SHADER_STAGE_FRAGMENT: + anv_pipeline_compile_fs(pipeline, pCreateInfo, shader); + break; + default: + anv_finishme("Unsupported shader stage"); + } + } + + if (!(pipeline->active_stages & VK_SHADER_STAGE_VERTEX_BIT)) { + /* Vertex is only optional if disable_vs is set */ + assert(extra->disable_vs); + memset(&pipeline->vs_prog_data, 0, sizeof(pipeline->vs_prog_data)); + } + + gen7_compute_urb_partition(pipeline); + + const VkPipelineVertexInputStateCreateInfo *vi_info = + pCreateInfo->pVertexInputState; + pipeline->vb_used = 0; + for (uint32_t i = 0; i < vi_info->bindingCount; i++) { + const VkVertexInputBindingDescription *desc = + &vi_info->pVertexBindingDescriptions[i]; + + pipeline->vb_used |= 1 << desc->binding; + pipeline->binding_stride[desc->binding] = desc->strideInBytes; + + /* Step rate is programmed per vertex element (attribute), not + * binding. Set up a map of which bindings step per instance, for + * reference by vertex element setup. */ + switch (desc->stepRate) { + default: + case VK_VERTEX_INPUT_STEP_RATE_VERTEX: + pipeline->instancing_enable[desc->binding] = false; + break; + case VK_VERTEX_INPUT_STEP_RATE_INSTANCE: + pipeline->instancing_enable[desc->binding] = true; + break; + } + } + + const VkPipelineInputAssemblyStateCreateInfo *ia_info = + pCreateInfo->pInputAssemblyState; + pipeline->primitive_restart = ia_info->primitiveRestartEnable; + pipeline->topology = vk_to_gen_primitive_type[ia_info->topology]; + + if (extra && extra->use_rectlist) + pipeline->topology = _3DPRIM_RECTLIST; + + return VK_SUCCESS; +} + +VkResult +anv_graphics_pipeline_create( + VkDevice _device, + const VkGraphicsPipelineCreateInfo *pCreateInfo, + const struct anv_graphics_pipeline_create_info *extra, + VkPipeline *pPipeline) +{ + ANV_FROM_HANDLE(anv_device, device, _device); + + switch (device->info.gen) { + case 7: + if (device->info.is_haswell) + return gen75_graphics_pipeline_create(_device, pCreateInfo, extra, pPipeline); + else + return gen7_graphics_pipeline_create(_device, pCreateInfo, extra, pPipeline); + case 8: + return gen8_graphics_pipeline_create(_device, pCreateInfo, extra, pPipeline); + default: + unreachable("unsupported gen\n"); + } +} + +VkResult anv_CreateGraphicsPipelines( + VkDevice _device, + VkPipelineCache pipelineCache, + uint32_t count, + const VkGraphicsPipelineCreateInfo* pCreateInfos, + VkPipeline* pPipelines) +{ + VkResult result = VK_SUCCESS; + + unsigned i = 0; + for (; i < count; i++) { + result = anv_graphics_pipeline_create(_device, &pCreateInfos[i], + NULL, &pPipelines[i]); + if (result != VK_SUCCESS) { + for (unsigned j = 0; j < i; j++) { + anv_DestroyPipeline(_device, pPipelines[j]); + } + + return result; + } + } + + return VK_SUCCESS; +} + +static VkResult anv_compute_pipeline_create( + VkDevice _device, + const VkComputePipelineCreateInfo* pCreateInfo, + VkPipeline* pPipeline) +{ + ANV_FROM_HANDLE(anv_device, device, _device); + + switch (device->info.gen) { + case 7: + if (device->info.is_haswell) + return gen75_compute_pipeline_create(_device, pCreateInfo, pPipeline); + else + return gen7_compute_pipeline_create(_device, pCreateInfo, pPipeline); + case 8: + return gen8_compute_pipeline_create(_device, pCreateInfo, pPipeline); + default: + unreachable("unsupported gen\n"); + } +} + +VkResult anv_CreateComputePipelines( + VkDevice _device, + VkPipelineCache pipelineCache, + uint32_t count, + const VkComputePipelineCreateInfo* pCreateInfos, + VkPipeline* pPipelines) +{ + VkResult result = VK_SUCCESS; + + unsigned i = 0; + for (; i < count; i++) { + result = anv_compute_pipeline_create(_device, &pCreateInfos[i], + &pPipelines[i]); + if (result != VK_SUCCESS) { + for (unsigned j = 0; j < i; j++) { + anv_DestroyPipeline(_device, pPipelines[j]); + } + + return result; + } + } + + return VK_SUCCESS; +} |