diff options
Diffstat (limited to 'src/mesa/state_tracker/st_glsl_to_ir.cpp')
-rw-r--r-- | src/mesa/state_tracker/st_glsl_to_ir.cpp | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_ir.cpp b/src/mesa/state_tracker/st_glsl_to_ir.cpp deleted file mode 100644 index a13bb573aa4..00000000000 --- a/src/mesa/state_tracker/st_glsl_to_ir.cpp +++ /dev/null @@ -1,177 +0,0 @@ -/* - * Copyright (C) 2005-2007 Brian Paul All Rights Reserved. - * Copyright (C) 2008 VMware, Inc. All Rights Reserved. - * Copyright © 2010 Intel Corporation - * Copyright © 2011 Bryan Cain - * - * 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 "compiler/glsl/glsl_parser_extras.h" -#include "compiler/glsl/ir_optimization.h" -#include "compiler/glsl/program.h" - -#include "st_nir.h" -#include "st_shader_cache.h" -#include "st_glsl_to_tgsi.h" - -#include "tgsi/tgsi_from_mesa.h" - -extern "C" { - -/** - * Link a shader. - * Called via ctx->Driver.LinkShader() - * This is a shared function that branches off to either GLSL IR -> TGSI or - * GLSL IR -> NIR - */ -GLboolean -st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog) -{ - struct pipe_screen *pscreen = st_context(ctx)->screen; - - enum pipe_shader_ir preferred_ir = (enum pipe_shader_ir) - pscreen->get_shader_param(pscreen, PIPE_SHADER_VERTEX, - PIPE_SHADER_CAP_PREFERRED_IR); - bool use_nir = preferred_ir == PIPE_SHADER_IR_NIR; - - /* Return early if we are loading the shader from on-disk cache */ - if (st_load_ir_from_disk_cache(ctx, prog, use_nir)) { - return GL_TRUE; - } - - assert(prog->data->LinkStatus); - - /* Skip the GLSL steps when using SPIR-V. */ - if (prog->data->spirv) { - assert(use_nir); - return st_link_nir(ctx, prog); - } - - for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) { - if (prog->_LinkedShaders[i] == NULL) - continue; - - struct gl_linked_shader *shader = prog->_LinkedShaders[i]; - exec_list *ir = shader->ir; - gl_shader_stage stage = shader->Stage; - const struct gl_shader_compiler_options *options = - &ctx->Const.ShaderCompilerOptions[stage]; - - /* If there are forms of indirect addressing that the driver - * cannot handle, perform the lowering pass. - */ - if (options->EmitNoIndirectInput || options->EmitNoIndirectOutput || - options->EmitNoIndirectTemp || options->EmitNoIndirectUniform) { - lower_variable_index_to_cond_assign(stage, ir, - options->EmitNoIndirectInput, - options->EmitNoIndirectOutput, - options->EmitNoIndirectTemp, - options->EmitNoIndirectUniform); - } - - enum pipe_shader_type ptarget = pipe_shader_type_from_mesa(stage); - bool have_dround = pscreen->get_shader_param(pscreen, ptarget, - PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED); - bool have_dfrexp = pscreen->get_shader_param(pscreen, ptarget, - PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED); - bool have_ldexp = pscreen->get_shader_param(pscreen, ptarget, - PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED); - - if (!pscreen->get_param(pscreen, PIPE_CAP_INT64_DIVMOD)) - lower_64bit_integer_instructions(ir, DIV64 | MOD64); - - if (ctx->Extensions.ARB_shading_language_packing) { - unsigned lower_inst = LOWER_PACK_SNORM_2x16 | - LOWER_UNPACK_SNORM_2x16 | - LOWER_PACK_UNORM_2x16 | - LOWER_UNPACK_UNORM_2x16 | - LOWER_PACK_SNORM_4x8 | - LOWER_UNPACK_SNORM_4x8 | - LOWER_UNPACK_UNORM_4x8 | - LOWER_PACK_UNORM_4x8; - - if (ctx->Extensions.ARB_gpu_shader5) - lower_inst |= LOWER_PACK_USE_BFI | - LOWER_PACK_USE_BFE; - if (!ctx->st->has_half_float_packing) - lower_inst |= LOWER_PACK_HALF_2x16 | - LOWER_UNPACK_HALF_2x16; - - lower_packing_builtins(ir, lower_inst); - } - - if (!pscreen->get_param(pscreen, PIPE_CAP_TEXTURE_GATHER_OFFSETS)) - lower_offset_arrays(ir); - do_mat_op_to_vec(ir); - - if (stage == MESA_SHADER_FRAGMENT && pscreen->get_param(pscreen, PIPE_CAP_FBFETCH)) - lower_blend_equation_advanced( - shader, ctx->Extensions.KHR_blend_equation_advanced_coherent); - - lower_instructions(ir, - (use_nir ? 0 : MOD_TO_FLOOR) | - FDIV_TO_MUL_RCP | - EXP_TO_EXP2 | - LOG_TO_LOG2 | - MUL64_TO_MUL_AND_MUL_HIGH | - (have_ldexp ? 0 : LDEXP_TO_ARITH) | - (have_dfrexp ? 0 : DFREXP_DLDEXP_TO_ARITH) | - CARRY_TO_ARITH | - BORROW_TO_ARITH | - (have_dround ? 0 : DOPS_TO_DFRAC) | - (options->EmitNoPow ? POW_TO_EXP2 : 0) | - (!ctx->Const.NativeIntegers ? INT_DIV_TO_MUL_RCP : 0) | - (options->EmitNoSat ? SAT_TO_CLAMP : 0) | - (ctx->Const.ForceGLSLAbsSqrt ? SQRT_TO_ABS_SQRT : 0) | - /* Assume that if ARB_gpu_shader5 is not supported - * then all of the extended integer functions need - * lowering. It may be necessary to add some caps - * for individual instructions. - */ - (!ctx->Extensions.ARB_gpu_shader5 - ? BIT_COUNT_TO_MATH | - EXTRACT_TO_SHIFTS | - INSERT_TO_SHIFTS | - REVERSE_TO_SHIFTS | - FIND_LSB_TO_FLOAT_CAST | - FIND_MSB_TO_FLOAT_CAST | - IMUL_HIGH_TO_MUL - : 0)); - - do_vec_index_to_cond_assign(ir); - lower_vector_insert(ir, true); - lower_quadop_vector(ir, false); - if (options->MaxIfDepth == 0) { - lower_discard(ir); - } - - validate_ir_tree(ir); - } - - build_program_resource_list(ctx, prog, use_nir); - - if (use_nir) - return st_link_nir(ctx, prog); - else - return st_link_tgsi(ctx, prog); -} - -} /* extern "C" */ |