From 69c8cec54b01ed522bf10baf20da70304bac701a Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 28 Jan 2013 07:55:57 +0100 Subject: mesa mkfontscale pixman git update 28 jan 2013 mesa: 87592cff57feef29565150b9203e220b50623f30 mkfontscale: b3af8de8d25128f565c2ed2f7c63b6e4099eb84e pixman: 65fc1adb6545737058e938105ae948a3607c277c --- mesalib/src/glsl/link_uniforms.cpp | 255 ++++++++++++++++++++++++++----------- 1 file changed, 178 insertions(+), 77 deletions(-) (limited to 'mesalib/src/glsl/link_uniforms.cpp') diff --git a/mesalib/src/glsl/link_uniforms.cpp b/mesalib/src/glsl/link_uniforms.cpp index 07d9c18de..f1284adb2 100644 --- a/mesalib/src/glsl/link_uniforms.cpp +++ b/mesalib/src/glsl/link_uniforms.cpp @@ -29,12 +29,6 @@ #include "program/hash_table.h" #include "program.h" -static inline unsigned int -align(unsigned int a, unsigned int align) -{ - return (a + align - 1) / align * align; -} - /** * \file link_uniforms.cpp * Assign locations for GLSL uniforms. @@ -57,24 +51,50 @@ values_for_type(const glsl_type *type) } } +void +uniform_field_visitor::process(const glsl_type *type, const char *name) +{ + assert(type->is_record() + || (type->is_array() && type->fields.array->is_record()) + || type->is_interface() + || (type->is_array() && type->fields.array->is_interface())); + + char *name_copy = ralloc_strdup(NULL, name); + recursion(type, &name_copy, strlen(name), false); + ralloc_free(name_copy); +} + void uniform_field_visitor::process(ir_variable *var) { const glsl_type *t = var->type; + /* false is always passed for the row_major parameter to the other + * processing functions because no information is available to do + * otherwise. See the warning in linker.h. + */ + /* Only strdup the name if we actually will need to modify it. */ if (t->is_record() || (t->is_array() && t->fields.array->is_record())) { char *name = ralloc_strdup(NULL, var->name); - recursion(var->type, &name, strlen(name)); + recursion(var->type, &name, strlen(name), false); + ralloc_free(name); + } else if (t->is_interface()) { + char *name = ralloc_strdup(NULL, var->type->name); + recursion(var->type, &name, strlen(name), false); + ralloc_free(name); + } else if (t->is_array() && t->fields.array->is_interface()) { + char *name = ralloc_strdup(NULL, var->type->fields.array->name); + recursion(var->type, &name, strlen(name), false); ralloc_free(name); } else { - this->visit_field(t, var->name); + this->visit_field(t, var->name, false); } } void uniform_field_visitor::recursion(const glsl_type *t, char **name, - size_t name_length) + size_t name_length, bool row_major) { /* Records need to have each field processed individually. * @@ -82,30 +102,47 @@ uniform_field_visitor::recursion(const glsl_type *t, char **name, * individually, then each field of the resulting array elements processed * individually. */ - if (t->is_record()) { + if (t->is_record() || t->is_interface()) { for (unsigned i = 0; i < t->length; i++) { const char *field = t->fields.structure[i].name; size_t new_length = name_length; - /* Append '.field' to the current uniform name. */ - ralloc_asprintf_rewrite_tail(name, &new_length, ".%s", field); + if (t->fields.structure[i].type->is_record()) + this->visit_field(&t->fields.structure[i]); + + /* Append '.field' to the current uniform name. */ + if (name_length == 0) { + ralloc_asprintf_rewrite_tail(name, &new_length, "%s", field); + } else { + ralloc_asprintf_rewrite_tail(name, &new_length, ".%s", field); + } - recursion(t->fields.structure[i].type, name, new_length); + recursion(t->fields.structure[i].type, name, new_length, + t->fields.structure[i].row_major); } - } else if (t->is_array() && t->fields.array->is_record()) { + } else if (t->is_array() && (t->fields.array->is_record() + || t->fields.array->is_interface())) { for (unsigned i = 0; i < t->length; i++) { size_t new_length = name_length; /* Append the subscript to the current uniform name */ ralloc_asprintf_rewrite_tail(name, &new_length, "[%u]", i); - recursion(t->fields.array, name, new_length); + recursion(t->fields.array, name, new_length, + t->fields.structure[i].row_major); } } else { - this->visit_field(t, *name); + this->visit_field(t, *name, row_major); } } +void +uniform_field_visitor::visit_field(const glsl_struct_field *field) +{ + (void) field; + /* empty */ +} + /** * Class to help calculate the storage requirements for a set of uniforms * @@ -131,6 +168,15 @@ public: this->num_shader_uniform_components = 0; } + void process(ir_variable *var) + { + if (var->is_interface_instance()) + uniform_field_visitor::process(var->interface_type, + var->interface_type->name); + else + uniform_field_visitor::process(var); + } + /** * Total number of active uniforms counted */ @@ -152,10 +198,15 @@ public: unsigned num_shader_uniform_components; private: - virtual void visit_field(const glsl_type *type, const char *name) + virtual void visit_field(const glsl_type *type, const char *name, + bool row_major) { assert(!type->is_record()); assert(!(type->is_array() && type->fields.array->is_record())); + assert(!type->is_interface()); + assert(!(type->is_array() && type->fields.array->is_interface())); + + (void) row_major; /* Count the number of samplers regardless of whether the uniform is * already in the hash table. The hash table prevents adding the same @@ -224,42 +275,77 @@ public: } void set_and_process(struct gl_shader_program *prog, - struct gl_shader *shader, ir_variable *var) { - ubo_var = NULL; - if (var->uniform_block != -1) { - struct gl_uniform_block *block = - &shader->UniformBlocks[var->uniform_block]; - - ubo_block_index = -1; - for (unsigned i = 0; i < prog->NumUniformBlocks; i++) { - if (!strcmp(prog->UniformBlocks[i].Name, - shader->UniformBlocks[var->uniform_block].Name)) { - ubo_block_index = i; - break; + ubo_block_index = -1; + if (var->is_in_uniform_block()) { + if (var->is_interface_instance() && var->type->is_array()) { + unsigned l = strlen(var->interface_type->name); + + for (unsigned i = 0; i < prog->NumUniformBlocks; i++) { + if (strncmp(var->interface_type->name, + prog->UniformBlocks[i].Name, + l) == 0 + && prog->UniformBlocks[i].Name[l] == '[') { + ubo_block_index = i; + break; + } + } + } else { + for (unsigned i = 0; i < prog->NumUniformBlocks; i++) { + if (strcmp(var->interface_type->name, + prog->UniformBlocks[i].Name) == 0) { + ubo_block_index = i; + break; + } } } assert(ubo_block_index != -1); - ubo_var_index = var->location; - ubo_var = &block->Uniforms[var->location]; - ubo_byte_offset = ubo_var->Offset; - } - - process(var); + /* Uniform blocks that were specified with an instance name must be + * handled a little bit differently. The name of the variable is the + * name used to reference the uniform block instead of being the name + * of a variable within the block. Therefore, searching for the name + * within the block will fail. + */ + if (var->is_interface_instance()) { + ubo_byte_offset = 0; + ubo_row_major = false; + } else { + const struct gl_uniform_block *const block = + &prog->UniformBlocks[ubo_block_index]; + + assert(var->location != -1); + + const struct gl_uniform_buffer_variable *const ubo_var = + &block->Uniforms[var->location]; + + ubo_row_major = ubo_var->RowMajor; + ubo_byte_offset = ubo_var->Offset; + } + + if (var->is_interface_instance()) + process(var->interface_type, var->interface_type->name); + else + process(var); + } else + process(var); } - struct gl_uniform_buffer_variable *ubo_var; int ubo_block_index; - int ubo_var_index; int ubo_byte_offset; + bool ubo_row_major; private: - virtual void visit_field(const glsl_type *type, const char *name) + virtual void visit_field(const glsl_type *type, const char *name, + bool row_major) { assert(!type->is_record()); assert(!(type->is_array() && type->fields.array->is_record())); + assert(!type->is_interface()); + assert(!(type->is_array() && type->fields.array->is_interface())); + + (void) row_major; unsigned id; bool found = this->map->get(id, name); @@ -330,17 +416,17 @@ private: this->uniforms[id].num_driver_storage = 0; this->uniforms[id].driver_storage = NULL; this->uniforms[id].storage = this->values; - if (this->ubo_var) { + if (this->ubo_block_index != -1) { this->uniforms[id].block_index = this->ubo_block_index; - unsigned alignment = type->std140_base_alignment(ubo_var->RowMajor); - this->ubo_byte_offset = align(this->ubo_byte_offset, alignment); + unsigned alignment = type->std140_base_alignment(ubo_row_major); + this->ubo_byte_offset = glsl_align(this->ubo_byte_offset, alignment); this->uniforms[id].offset = this->ubo_byte_offset; - this->ubo_byte_offset += type->std140_size(ubo_var->RowMajor); + this->ubo_byte_offset += type->std140_size(ubo_row_major); if (type->is_array()) { this->uniforms[id].array_stride = - align(type->fields.array->std140_size(ubo_var->RowMajor), 16); + glsl_align(type->fields.array->std140_size(ubo_row_major), 16); } else { this->uniforms[id].array_stride = 0; } @@ -348,7 +434,7 @@ private: if (type->is_matrix() || (type->is_array() && type->fields.array->is_matrix())) { this->uniforms[id].matrix_stride = 16; - this->uniforms[id].row_major = ubo_var->RowMajor; + this->uniforms[id].row_major = ubo_row_major; } else { this->uniforms[id].matrix_stride = 0; this->uniforms[id].row_major = false; @@ -399,26 +485,10 @@ link_cross_validate_uniform_block(void *mem_ctx, { for (unsigned int i = 0; i < *num_linked_blocks; i++) { struct gl_uniform_block *old_block = &(*linked_blocks)[i]; - if (strcmp(old_block->Name, new_block->Name) == 0) { - if (old_block->NumUniforms != new_block->NumUniforms) { - return -1; - } - for (unsigned j = 0; j < old_block->NumUniforms; j++) { - if (strcmp(old_block->Uniforms[j].Name, - new_block->Uniforms[j].Name) != 0) - return -1; - - if (old_block->Uniforms[j].Offset != - new_block->Uniforms[j].Offset) - return -1; - - if (old_block->Uniforms[j].RowMajor != - new_block->Uniforms[j].RowMajor) - return -1; - } - return i; - } + if (strcmp(old_block->Name, new_block->Name) == 0) + return link_uniform_blocks_are_compatible(old_block, new_block) + ? i : -1; } *linked_blocks = reralloc(mem_ctx, *linked_blocks, @@ -440,7 +510,13 @@ link_cross_validate_uniform_block(void *mem_ctx, struct gl_uniform_buffer_variable *ubo_var = &linked_block->Uniforms[i]; - ubo_var->Name = ralloc_strdup(*linked_blocks, ubo_var->Name); + if (ubo_var->Name == ubo_var->IndexName) { + ubo_var->Name = ralloc_strdup(*linked_blocks, ubo_var->Name); + ubo_var->IndexName = ubo_var->Name; + } else { + ubo_var->Name = ralloc_strdup(*linked_blocks, ubo_var->Name); + ubo_var->IndexName = ralloc_strdup(*linked_blocks, ubo_var->IndexName); + } } return linked_block_index; @@ -458,17 +534,47 @@ link_update_uniform_buffer_variables(struct gl_shader *shader) foreach_list(node, shader->ir) { ir_variable *const var = ((ir_instruction *) node)->as_variable(); - if ((var == NULL) || (var->uniform_block == -1)) + if ((var == NULL) || !var->is_in_uniform_block()) continue; assert(var->mode == ir_var_uniform); + if (var->is_interface_instance()) { + var->location = 0; + continue; + } + bool found = false; + char sentinel = '\0'; + + if (var->type->is_record()) { + sentinel = '.'; + } else if (var->type->is_array() + && var->type->fields.array->is_record()) { + sentinel = '['; + } + + const unsigned l = strlen(var->name); for (unsigned i = 0; i < shader->NumUniformBlocks; i++) { for (unsigned j = 0; j < shader->UniformBlocks[i].NumUniforms; j++) { - if (!strcmp(var->name, shader->UniformBlocks[i].Uniforms[j].Name)) { + if (sentinel) { + const char *begin = shader->UniformBlocks[i].Uniforms[j].Name; + const char *end = strchr(begin, sentinel); + + if (end == NULL) + continue; + + if (l != (end - begin)) + continue; + + if (strncmp(var->name, begin, l) == 0) { + found = true; + var->location = j; + break; + } + } else if (!strcmp(var->name, + shader->UniformBlocks[i].Uniforms[j].Name)) { found = true; - var->uniform_block = i; var->location = j; break; } @@ -494,7 +600,7 @@ link_assign_uniform_block_offsets(struct gl_shader *shader) unsigned alignment = type->std140_base_alignment(ubo_var->RowMajor); unsigned size = type->std140_size(ubo_var->RowMajor); - offset = align(offset, alignment); + offset = glsl_align(offset, alignment); ubo_var->Offset = offset; offset += size; } @@ -510,7 +616,7 @@ link_assign_uniform_block_offsets(struct gl_shader *shader) * and rounding up to the next multiple of the base * alignment required for a vec4." */ - block->UniformBufferSize = align(offset, 16); + block->UniformBufferSize = glsl_align(offset, 16); } } @@ -538,13 +644,6 @@ link_assign_uniform_locations(struct gl_shader_program *prog) */ memset(prog->SamplerUnits, 0, sizeof(prog->SamplerUnits)); - for (unsigned i = 0; i < MESA_SHADER_TYPES; i++) { - if (prog->_LinkedShaders[i] == NULL) - continue; - - link_update_uniform_buffer_variables(prog->_LinkedShaders[i]); - } - /* First pass: Count the uniform resources used by the user-defined * uniforms. While this happens, each active uniform will have an index * assigned to it. @@ -557,6 +656,8 @@ link_assign_uniform_locations(struct gl_shader_program *prog) if (prog->_LinkedShaders[i] == NULL) continue; + link_update_uniform_buffer_variables(prog->_LinkedShaders[i]); + /* Reset various per-shader target counts. */ uniform_size.start_shader(); @@ -620,7 +721,7 @@ link_assign_uniform_locations(struct gl_shader_program *prog) if (strncmp("gl_", var->name, 3) == 0) continue; - parcel.set_and_process(prog, prog->_LinkedShaders[i], var); + parcel.set_and_process(prog, var); } prog->_LinkedShaders[i]->active_samplers = parcel.shader_samplers_used; -- cgit v1.2.3