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authorZack Rusin <zackr@vmware.com>2010-02-08 18:05:22 -0500
committerZack Rusin <zackr@vmware.com>2010-02-08 18:22:11 -0500
commitc61bf363937f40624a5632745630d4f2b9907082 (patch)
treebb2388269117d6783400e17957ff8b0a68dfb5b5 /src/gallium/auxiliary/gallivm/gallivm_cpu.cpp
parent74d23546c79fe8c8d87588fa423040e3b19a8fc6 (diff)
llvmpipe: export the tgsi translation code to a common layer
the llvmpipe tgsi translation is a lot more complete than what was in gallivm so replacing the latter with the former. this is needed since the draw llvm paths will use the same code. effectively the proven llvmpipe code becomes gallivm.
Diffstat (limited to 'src/gallium/auxiliary/gallivm/gallivm_cpu.cpp')
-rw-r--r--src/gallium/auxiliary/gallivm/gallivm_cpu.cpp243
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 1bd00a0c2a..0000000000
--- 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 zack@tungstengraphics.com
- */
-#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