diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/radeon_program.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/radeon_program.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/src/mesa/drivers/dri/r300/radeon_program.c b/src/mesa/drivers/dri/r300/radeon_program.c deleted file mode 100644 index da5e7aefce..0000000000 --- a/src/mesa/drivers/dri/r300/radeon_program.c +++ /dev/null @@ -1,128 +0,0 @@ -/* - * Copyright (C) 2008 Nicolai Haehnle. - * - * 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, 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 COPYRIGHT OWNER(S) 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. - * - */ - -#include "radeon_program.h" - -#include "shader/prog_print.h" - - -/** - * Transform the given clause in the following way: - * 1. Replace it with an empty clause - * 2. For every instruction in the original clause, try the given - * transformations in order. - * 3. If one of the transformations returns GL_TRUE, assume that it - * has emitted the appropriate instruction(s) into the new clause; - * otherwise, copy the instruction verbatim. - * - * \note The transformation is currently not recursive; in other words, - * instructions emitted by transformations are not transformed. - * - * \note The transform is called 'local' because it can only look at - * one instruction at a time. - */ -void radeonLocalTransform( - GLcontext *Ctx, - struct gl_program *program, - int num_transformations, - struct radeon_program_transformation* transformations) -{ - struct radeon_transform_context ctx; - int ip; - - ctx.Ctx = Ctx; - ctx.Program = program; - ctx.OldInstructions = program->Instructions; - ctx.OldNumInstructions = program->NumInstructions; - - program->Instructions = 0; - program->NumInstructions = 0; - - for(ip = 0; ip < ctx.OldNumInstructions; ++ip) { - struct prog_instruction *instr = ctx.OldInstructions + ip; - int i; - - for(i = 0; i < num_transformations; ++i) { - struct radeon_program_transformation* t = transformations + i; - - if (t->function(&ctx, instr, t->userData)) - break; - } - - if (i >= num_transformations) { - struct prog_instruction* dest = radeonAppendInstructions(program, 1); - _mesa_copy_instructions(dest, instr, 1); - } - } - - _mesa_free_instructions(ctx.OldInstructions, ctx.OldNumInstructions); -} - - -static void scan_instructions(GLboolean* used, const struct prog_instruction* insts, GLuint count) -{ - GLuint i; - for (i = 0; i < count; i++) { - const struct prog_instruction *inst = insts + i; - const GLuint n = _mesa_num_inst_src_regs(inst->Opcode); - GLuint k; - - for (k = 0; k < n; k++) { - if (inst->SrcReg[k].File == PROGRAM_TEMPORARY) - used[inst->SrcReg[k].Index] = GL_TRUE; - } - } -} - -GLint radeonFindFreeTemporary(struct radeon_transform_context *t) -{ - GLboolean used[MAX_PROGRAM_TEMPS]; - GLuint i; - - _mesa_memset(used, 0, sizeof(used)); - scan_instructions(used, t->Program->Instructions, t->Program->NumInstructions); - scan_instructions(used, t->OldInstructions, t->OldNumInstructions); - - for (i = 0; i < MAX_PROGRAM_TEMPS; i++) { - if (!used[i]) - return i; - } - - return -1; -} - - -/** - * Append the given number of instructions to the program and return a - * pointer to the first new instruction. - */ -struct prog_instruction *radeonAppendInstructions(struct gl_program *program, int count) -{ - int oldnum = program->NumInstructions; - _mesa_insert_instructions(program, oldnum, count); - return program->Instructions + oldnum; -} |