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Diffstat (limited to 'src/gallium/auxiliary/gallivm/gallivm_cpu.cpp')
| -rw-r--r-- | src/gallium/auxiliary/gallivm/gallivm_cpu.cpp | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/src/gallium/auxiliary/gallivm/gallivm_cpu.cpp b/src/gallium/auxiliary/gallivm/gallivm_cpu.cpp deleted file mode 100644 index 1bd00a0c2a6..00000000000 --- a/src/gallium/auxiliary/gallivm/gallivm_cpu.cpp +++ /dev/null @@ -1,243 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * 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, sub license, 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 NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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: - * Zack Rusin [email protected] - */ -#ifdef MESA_LLVM - -#include "gallivm.h" -#include "gallivm_p.h" - -#include "instructions.h" -#include "loweringpass.h" -#include "storage.h" -#include "tgsitollvm.h" - -#include "pipe/p_context.h" -#include "pipe/p_shader_tokens.h" - -#include "tgsi/tgsi_exec.h" -#include "tgsi/tgsi_dump.h" - -#include "util/u_memory.h" -#include "util/u_math.h" - -#include <llvm/Module.h> -#include <llvm/CallingConv.h> -#include <llvm/Constants.h> -#include <llvm/DerivedTypes.h> -#include <llvm/Instructions.h> -#include <llvm/ModuleProvider.h> -#include <llvm/Pass.h> -#include <llvm/PassManager.h> -#include <llvm/Attributes.h> -#include <llvm/Support/PatternMatch.h> -#include <llvm/ExecutionEngine/JIT.h> -#include <llvm/ExecutionEngine/Interpreter.h> -#include <llvm/ExecutionEngine/GenericValue.h> -#include <llvm/Support/MemoryBuffer.h> -#include <llvm/LinkAllPasses.h> -#include <llvm/Analysis/Verifier.h> -#include <llvm/Analysis/LoopPass.h> -#include <llvm/Target/TargetData.h> -#include <llvm/Bitcode/ReaderWriter.h> -#include <llvm/Transforms/Utils/Cloning.h> - -#include <sstream> -#include <fstream> -#include <iostream> - -struct gallivm_cpu_engine { - llvm::ExecutionEngine *engine; -}; - -static struct gallivm_cpu_engine *CPU = 0; - -typedef int (*fragment_shader_runner)(float x, float y, - float (*dests)[16][4], - float (*inputs)[16][4], - int num_attribs, - float (*consts)[4], int num_consts, - struct tgsi_sampler *samplers); - -int gallivm_cpu_fs_exec(struct gallivm_prog *prog, - float fx, float fy, - float (*dests)[16][4], - float (*inputs)[16][4], - float (*consts)[4], - struct tgsi_sampler *samplers) -{ - fragment_shader_runner runner = reinterpret_cast<fragment_shader_runner>(prog->function); - assert(runner); - - return runner(fx, fy, dests, inputs, prog->num_interp, - consts, prog->num_consts, - samplers); -} - -static inline llvm::Function *func_for_shader(struct gallivm_prog *prog) -{ - llvm::Module *mod = prog->module; - llvm::Function *func = 0; - - switch (prog->type) { - case GALLIVM_VS: - func = mod->getFunction("vs_shader"); - break; - case GALLIVM_FS: - func = mod->getFunction("fs_shader"); - break; - default: - assert(!"Unknown shader type!"); - break; - } - return func; -} - -/*! - This function creates a CPU based execution engine for the given gallivm_prog. - gallivm_cpu_engine should be used as a singleton throughout the library. Before - executing gallivm_prog_exec one needs to call gallivm_cpu_jit_compile. - The gallivm_prog instance which is being passed to the constructor is being - automatically JIT compiled so one shouldn't call gallivm_cpu_jit_compile - with it again. - */ -struct gallivm_cpu_engine * gallivm_cpu_engine_create(struct gallivm_prog *prog) -{ - struct gallivm_cpu_engine *cpu = (struct gallivm_cpu_engine *) - calloc(1, sizeof(struct gallivm_cpu_engine)); - llvm::Module *mod = static_cast<llvm::Module*>(prog->module); - llvm::ExistingModuleProvider *mp = new llvm::ExistingModuleProvider(mod); - llvm::ExecutionEngine *ee = llvm::ExecutionEngine::create(mp, false); - ee->DisableLazyCompilation(); - cpu->engine = ee; - - llvm::Function *func = func_for_shader(prog); - - prog->function = ee->getPointerToFunction(func); - CPU = cpu; - return cpu; -} - - -/*! - This function JIT compiles the given gallivm_prog with the given cpu based execution engine. - The reference to the generated machine code entry point will be stored - in the gallivm_prog program. After executing this function one can call gallivm_prog_exec - in order to execute the gallivm_prog on the CPU. - */ -void gallivm_cpu_jit_compile(struct gallivm_cpu_engine *cpu, struct gallivm_prog *prog) -{ - llvm::Module *mod = static_cast<llvm::Module*>(prog->module); - llvm::ExistingModuleProvider *mp = new llvm::ExistingModuleProvider(mod); - llvm::ExecutionEngine *ee = cpu->engine; - assert(ee); - /*FIXME : why was this disabled ? we need it for pow/sqrt/... */ - ee->DisableLazyCompilation(false); - ee->addModuleProvider(mp); - - llvm::Function *func = func_for_shader(prog); - prog->function = ee->getPointerToFunction(func); -} - -void gallivm_cpu_engine_delete(struct gallivm_cpu_engine *cpu) -{ - free(cpu); -} - -struct gallivm_cpu_engine * gallivm_global_cpu_engine() -{ - return CPU; -} - - -typedef void (*vertex_shader_runner)(void *ainputs, - void *dests, - float (*aconsts)[4]); - -#define MAX_TGSI_VERTICES 4 -/*! - This function is used to execute the gallivm_prog in software. Before calling - this function the gallivm_prog has to be JIT compiled with the gallivm_cpu_jit_compile - function. - */ -int gallivm_cpu_vs_exec(struct gallivm_prog *prog, - struct tgsi_exec_machine *machine, - const float (*input)[4], - unsigned num_inputs, - float (*output)[4], - unsigned num_outputs, - const float (*constants)[4], - unsigned count, - unsigned input_stride, - unsigned output_stride ) -{ - unsigned int i, j; - unsigned slot; - vertex_shader_runner runner = reinterpret_cast<vertex_shader_runner>(prog->function); - assert(runner); - - for (i = 0; i < count; i += MAX_TGSI_VERTICES) { - unsigned int max_vertices = MIN2(MAX_TGSI_VERTICES, count - i); - - /* Swizzle inputs. - */ - for (j = 0; j < max_vertices; j++) { - for (slot = 0; slot < num_inputs; slot++) { - machine->Inputs[slot].xyzw[0].f[j] = input[slot][0]; - machine->Inputs[slot].xyzw[1].f[j] = input[slot][1]; - machine->Inputs[slot].xyzw[2].f[j] = input[slot][2]; - machine->Inputs[slot].xyzw[3].f[j] = input[slot][3]; - } - - input = (const float (*)[4])((const char *)input + input_stride); - } - - /* run shader */ - runner(machine->Inputs, - machine->Outputs, - (float (*)[4]) constants); - - /* Unswizzle all output results - */ - for (j = 0; j < max_vertices; j++) { - for (slot = 0; slot < num_outputs; slot++) { - output[slot][0] = machine->Outputs[slot].xyzw[0].f[j]; - output[slot][1] = machine->Outputs[slot].xyzw[1].f[j]; - output[slot][2] = machine->Outputs[slot].xyzw[2].f[j]; - output[slot][3] = machine->Outputs[slot].xyzw[3].f[j]; - } - output = (float (*)[4])((char *)output + output_stride); - } - } - - return 0; -} - -#endif |