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Diffstat (limited to 'src/mesa/program/sampler.cpp')
| -rw-r--r-- | src/mesa/program/sampler.cpp | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/src/mesa/program/sampler.cpp b/src/mesa/program/sampler.cpp deleted file mode 100644 index f118552d64e..00000000000 --- a/src/mesa/program/sampler.cpp +++ /dev/null @@ -1,144 +0,0 @@ -/* - * Copyright (C) 2005-2007 Brian Paul All Rights Reserved. - * Copyright (C) 2008 VMware, Inc. All Rights Reserved. - * Copyright © 2010 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. - */ - -#include "main/mtypes.h" -#include "compiler/glsl_types.h" -#include "compiler/glsl/ir.h" -#include "compiler/glsl/ir_uniform.h" -#include "compiler/glsl/ir_visitor.h" -#include "compiler/glsl/program.h" -#include "program/hash_table.h" -#include "program/prog_parameter.h" -#include "program/program.h" - - -class get_sampler_name : public ir_hierarchical_visitor -{ -public: - get_sampler_name(ir_dereference *last, - struct gl_shader_program *shader_program) - { - this->mem_ctx = ralloc_context(NULL); - this->shader_program = shader_program; - this->name = NULL; - this->offset = 0; - this->last = last; - } - - ~get_sampler_name() - { - ralloc_free(this->mem_ctx); - } - - virtual ir_visitor_status visit(ir_dereference_variable *ir) - { - this->name = ir->var->name; - return visit_continue; - } - - virtual ir_visitor_status visit_leave(ir_dereference_record *ir) - { - this->name = ralloc_asprintf(mem_ctx, "%s.%s", name, ir->field); - return visit_continue; - } - - virtual ir_visitor_status visit_leave(ir_dereference_array *ir) - { - ir_constant *index = ir->array_index->as_constant(); - int i; - - if (index) { - i = index->value.i[0]; - } else { - /* GLSL 1.10 and 1.20 allowed variable sampler array indices, - * while GLSL 1.30 requires that the array indices be - * constant integer expressions. We don't expect any driver - * to actually work with a really variable array index, so - * all that would work would be an unrolled loop counter that ends - * up being constant above. - */ - ralloc_strcat(&shader_program->InfoLog, - "warning: Variable sampler array index unsupported.\n" - "This feature of the language was removed in GLSL 1.20 " - "and is unlikely to be supported for 1.10 in Mesa.\n"); - i = 0; - } - if (ir != last) { - this->name = ralloc_asprintf(mem_ctx, "%s[%d]", name, i); - } else { - offset = i; - } - return visit_continue; - } - - struct gl_shader_program *shader_program; - const char *name; - void *mem_ctx; - int offset; - ir_dereference *last; -}; - - -int -_mesa_get_sampler_uniform_value(class ir_dereference *sampler, - struct gl_shader_program *shader_program, - const struct gl_program *prog) -{ - get_sampler_name getname(sampler, shader_program); - - GLuint shader = _mesa_program_enum_to_shader_stage(prog->Target); - - sampler->accept(&getname); - - unsigned location; - if (!shader_program->UniformHash->get(location, getname.name)) { - linker_error(shader_program, - "failed to find sampler named %s.\n", getname.name); - return 0; - } - - if (!shader_program->UniformStorage[location].opaque[shader].active) { - assert(0 && "cannot return a sampler"); - linker_error(shader_program, - "cannot return a sampler named %s, because it is not " - "used in this shader stage. This is a driver bug.\n", - getname.name); - return 0; - } - - return shader_program->UniformStorage[location].opaque[shader].index + - getname.offset; -} - - -class ir_rvalue * -_mesa_get_sampler_array_nonconst_index(class ir_dereference *sampler) -{ - ir_dereference_array *deref_arr = sampler->as_dereference_array(); - if (!deref_arr || deref_arr->array_index->as_constant()) - return NULL; - - return deref_arr->array_index; -} |