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authormarha <marha@users.sourceforge.net>2010-11-22 19:42:40 +0000
committermarha <marha@users.sourceforge.net>2010-11-22 19:42:40 +0000
commit85ef9930f56bf15181f9a0b238f03d55303cf411 (patch)
tree63b43286956ebd1c35c96e9b3d5305aabdf71a0f /mesalib/src/mesa/shader/prog_parameter_layout.c
parent94810d19989336862251dbf69c3f3acb18a9b06d (diff)
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Updated to mesalib 7.9
Diffstat (limited to 'mesalib/src/mesa/shader/prog_parameter_layout.c')
-rw-r--r--mesalib/src/mesa/shader/prog_parameter_layout.c213
1 files changed, 0 insertions, 213 deletions
diff --git a/mesalib/src/mesa/shader/prog_parameter_layout.c b/mesalib/src/mesa/shader/prog_parameter_layout.c
deleted file mode 100644
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--- a/mesalib/src/mesa/shader/prog_parameter_layout.c
+++ /dev/null
@@ -1,213 +0,0 @@
-/*
- * Copyright © 2009 Intel Corporation
- *
- * 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.
- */
-
-/**
- * \file prog_parameter_layout.c
- * \brief Helper functions to layout storage for program parameters
- *
- * \author Ian Romanick <ian.d.romanick@intel.com>
- */
-
-#include "main/mtypes.h"
-#include "prog_parameter.h"
-#include "prog_parameter_layout.h"
-#include "prog_instruction.h"
-#include "program_parser.h"
-
-unsigned
-_mesa_combine_swizzles(unsigned base, unsigned applied)
-{
- unsigned swiz = 0;
- unsigned i;
-
- for (i = 0; i < 4; i++) {
- const unsigned s = GET_SWZ(applied, i);
-
- swiz |= ((s <= SWIZZLE_W) ? GET_SWZ(base, s) : s) << (i * 3);
- }
-
- return swiz;
-}
-
-
-/**
- * Copy indirect access array from one parameter list to another
- *
- * \param src Parameter array copied from
- * \param dst Parameter array copied to
- * \param first Index of first element in \c src to copy
- * \param count Number of elements to copy
- *
- * \return
- * The location in \c dst of the first element copied from \c src on
- * success. -1 on failure.
- *
- * \warning
- * This function assumes that there is already enough space available in
- * \c dst to hold all of the elements that will be copied over.
- */
-static int
-copy_indirect_accessed_array(struct gl_program_parameter_list *src,
- struct gl_program_parameter_list *dst,
- unsigned first, unsigned count)
-{
- const int base = dst->NumParameters;
- unsigned i, j;
-
- for (i = first; i < (first + count); i++) {
- struct gl_program_parameter *curr = & src->Parameters[i];
-
- if (curr->Type == PROGRAM_CONSTANT) {
- j = dst->NumParameters;
- } else {
- for (j = 0; j < dst->NumParameters; j++) {
- if (memcmp(dst->Parameters[j].StateIndexes, curr->StateIndexes,
- sizeof(curr->StateIndexes)) == 0) {
- return -1;
- }
- }
- }
-
- assert(j == dst->NumParameters);
-
- /* copy src parameter [i] to dest parameter [j] */
- memcpy(& dst->Parameters[j], curr,
- sizeof(dst->Parameters[j]));
- memcpy(dst->ParameterValues[j], src->ParameterValues[i],
- sizeof(GLfloat) * 4);
-
- /* Pointer to the string name was copied. Null-out src param name
- * to prevent double free later.
- */
- curr->Name = NULL;
-
- dst->NumParameters++;
- }
-
- return base;
-}
-
-
-/**
- * XXX description???
- * \return GL_TRUE for success, GL_FALSE for failure
- */
-GLboolean
-_mesa_layout_parameters(struct asm_parser_state *state)
-{
- struct gl_program_parameter_list *layout;
- struct asm_instruction *inst;
- unsigned i;
-
- layout =
- _mesa_new_parameter_list_sized(state->prog->Parameters->NumParameters);
-
- /* PASS 1: Move any parameters that are accessed indirectly from the
- * original parameter list to the new parameter list.
- */
- for (inst = state->inst_head; inst != NULL; inst = inst->next) {
- for (i = 0; i < 3; i++) {
- if (inst->SrcReg[i].Base.RelAddr) {
- /* Only attempt to add the to the new parameter list once.
- */
- if (!inst->SrcReg[i].Symbol->pass1_done) {
- const int new_begin =
- copy_indirect_accessed_array(state->prog->Parameters, layout,
- inst->SrcReg[i].Symbol->param_binding_begin,
- inst->SrcReg[i].Symbol->param_binding_length);
-
- if (new_begin < 0) {
- return GL_FALSE;
- }
-
- inst->SrcReg[i].Symbol->param_binding_begin = new_begin;
- inst->SrcReg[i].Symbol->pass1_done = 1;
- }
-
- /* Previously the Index was just the offset from the parameter
- * array. Now that the base of the parameter array is known, the
- * index can be updated to its actual value.
- */
- inst->Base.SrcReg[i] = inst->SrcReg[i].Base;
- inst->Base.SrcReg[i].Index +=
- inst->SrcReg[i].Symbol->param_binding_begin;
- }
- }
- }
-
- /* PASS 2: Move any parameters that are not accessed indirectly from the
- * original parameter list to the new parameter list.
- */
- for (inst = state->inst_head; inst != NULL; inst = inst->next) {
- for (i = 0; i < 3; i++) {
- const struct gl_program_parameter *p;
- const int idx = inst->SrcReg[i].Base.Index;
- unsigned swizzle = SWIZZLE_NOOP;
-
- /* All relative addressed operands were processed on the first
- * pass. Just skip them here.
- */
- if (inst->SrcReg[i].Base.RelAddr) {
- continue;
- }
-
- if ((inst->SrcReg[i].Base.File <= PROGRAM_VARYING )
- || (inst->SrcReg[i].Base.File >= PROGRAM_WRITE_ONLY)) {
- continue;
- }
-
- inst->Base.SrcReg[i] = inst->SrcReg[i].Base;
- p = & state->prog->Parameters->Parameters[idx];
-
- switch (p->Type) {
- case PROGRAM_CONSTANT: {
- const float *const v =
- state->prog->Parameters->ParameterValues[idx];
-
- inst->Base.SrcReg[i].Index =
- _mesa_add_unnamed_constant(layout, v, p->Size, & swizzle);
-
- inst->Base.SrcReg[i].Swizzle =
- _mesa_combine_swizzles(swizzle, inst->Base.SrcReg[i].Swizzle);
- break;
- }
-
- case PROGRAM_STATE_VAR:
- inst->Base.SrcReg[i].Index =
- _mesa_add_state_reference(layout, p->StateIndexes);
- break;
-
- default:
- break;
- }
-
- inst->SrcReg[i].Base.File = p->Type;
- inst->Base.SrcReg[i].File = p->Type;
- }
- }
-
- _mesa_free_parameter_list(state->prog->Parameters);
- state->prog->Parameters = layout;
-
- return GL_TRUE;
-}