diff options
Diffstat (limited to 'mesalib/src/mesa/shader/prog_parameter_layout.c')
-rw-r--r-- | mesalib/src/mesa/shader/prog_parameter_layout.c | 213 |
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 index a88857383..000000000 --- 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; -} |