| /* |
| * Copyright (C) 2015 Rob Clark <robclark@freedesktop.org> |
| * |
| * 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. |
| * |
| * Authors: |
| * Rob Clark <robclark@freedesktop.org> |
| */ |
| |
| #include "util/ralloc.h" |
| |
| #include "ir3_compiler.h" |
| |
| static const struct debug_named_value shader_debug_options[] = { |
| {"vs", IR3_DBG_SHADER_VS, "Print shader disasm for vertex shaders"}, |
| {"tcs", IR3_DBG_SHADER_TCS, "Print shader disasm for tess ctrl shaders"}, |
| {"tes", IR3_DBG_SHADER_TES, "Print shader disasm for tess eval shaders"}, |
| {"gs", IR3_DBG_SHADER_GS, "Print shader disasm for geometry shaders"}, |
| {"fs", IR3_DBG_SHADER_FS, "Print shader disasm for fragment shaders"}, |
| {"cs", IR3_DBG_SHADER_CS, "Print shader disasm for compute shaders"}, |
| {"disasm", IR3_DBG_DISASM, "Dump NIR and adreno shader disassembly"}, |
| {"optmsgs", IR3_DBG_OPTMSGS, "Enable optimizer debug messages"}, |
| {"forces2en", IR3_DBG_FORCES2EN, "Force s2en mode for tex sampler instructions"}, |
| {"nouboopt", IR3_DBG_NOUBOOPT, "Disable lowering UBO to uniform"}, |
| {"nofp16", IR3_DBG_NOFP16, "Don't lower mediump to fp16"}, |
| {"nocache", IR3_DBG_NOCACHE, "Disable shader cache"}, |
| #ifdef DEBUG |
| /* DEBUG-only options: */ |
| {"schedmsgs", IR3_DBG_SCHEDMSGS, "Enable scheduler debug messages"}, |
| {"ramsgs", IR3_DBG_RAMSGS, "Enable register-allocation debug messages"}, |
| #endif |
| DEBUG_NAMED_VALUE_END |
| }; |
| |
| DEBUG_GET_ONCE_FLAGS_OPTION(ir3_shader_debug, "IR3_SHADER_DEBUG", shader_debug_options, 0) |
| |
| enum ir3_shader_debug ir3_shader_debug = 0; |
| |
| void |
| ir3_compiler_destroy(struct ir3_compiler *compiler) |
| { |
| ralloc_free(compiler); |
| } |
| |
| struct ir3_compiler * |
| ir3_compiler_create(struct fd_device *dev, uint32_t gpu_id) |
| { |
| struct ir3_compiler *compiler = rzalloc(NULL, struct ir3_compiler); |
| |
| ir3_shader_debug = debug_get_option_ir3_shader_debug(); |
| |
| compiler->dev = dev; |
| compiler->gpu_id = gpu_id; |
| compiler->set = ir3_ra_alloc_reg_set(compiler, false); |
| |
| if (compiler->gpu_id >= 600) { |
| compiler->mergedregs_set = ir3_ra_alloc_reg_set(compiler, true); |
| compiler->samgq_workaround = true; |
| /* a6xx split the pipeline state into geometry and fragment state, in |
| * order to let the VS run ahead of the FS. As a result there are now |
| * separate const files for the the fragment shader and everything |
| * else, and separate limits. There seems to be a shared limit, but |
| * it's higher than the vert or frag limits. |
| * |
| * TODO: The shared limit seems to be different on different on |
| * different models. |
| */ |
| compiler->max_const_pipeline = 640; |
| compiler->max_const_frag = 512; |
| compiler->max_const_geom = 512; |
| compiler->max_const_safe = 128; |
| |
| /* Compute shaders don't share a const file with the FS. Instead they |
| * have their own file, which is smaller than the FS one. |
| * |
| * TODO: is this true on earlier gen's? |
| */ |
| compiler->max_const_compute = 256; |
| |
| if (compiler->gpu_id == 650) |
| compiler->tess_use_shared = true; |
| } else { |
| compiler->max_const_pipeline = 512; |
| compiler->max_const_geom = 512; |
| compiler->max_const_frag = 512; |
| compiler->max_const_compute = 512; |
| |
| /* Note: this will have to change if/when we support tess+GS on |
| * earlier gen's. |
| */ |
| compiler->max_const_safe = 256; |
| } |
| |
| if (compiler->gpu_id >= 400) { |
| /* need special handling for "flat" */ |
| compiler->flat_bypass = true; |
| compiler->levels_add_one = false; |
| compiler->unminify_coords = false; |
| compiler->txf_ms_with_isaml = false; |
| compiler->array_index_add_half = true; |
| compiler->instr_align = 16; |
| compiler->const_upload_unit = 4; |
| } else { |
| /* no special handling for "flat" */ |
| compiler->flat_bypass = false; |
| compiler->levels_add_one = true; |
| compiler->unminify_coords = true; |
| compiler->txf_ms_with_isaml = true; |
| compiler->array_index_add_half = false; |
| compiler->instr_align = 4; |
| compiler->const_upload_unit = 8; |
| } |
| |
| ir3_disk_cache_init(compiler); |
| |
| return compiler; |
| } |