#include "ir_visitor.h"
#include "ir_print_visitor.h"
#include "ir_expression_flattening.h"
+#include "ir_uniform.h"
#include "glsl_types.h"
#include "glsl_parser_extras.h"
#include "../glsl/program.h"
#include "program/prog_optimize.h"
#include "program/prog_print.h"
#include "program/program.h"
-#include "program/prog_uniform.h"
#include "program/prog_parameter.h"
#include "program/sampler.h"
}
int sampler; /**< sampler index */
int tex_target; /**< One of TEXTURE_*_INDEX */
GLboolean tex_shadow;
-
- class function_entry *function; /* Set on OPCODE_CAL or OPCODE_BGNSUB */
};
class variable_storage : public exec_node {
variable_storage *find_variable_storage(ir_variable *var);
- function_entry *get_function_signature(ir_function_signature *sig);
-
src_reg get_temp(const glsl_type *type);
void reladdr_to_temp(ir_instruction *ir, src_reg *reg, int *num_reladdr);
void *mem_ctx;
};
-src_reg undef_src = src_reg(PROGRAM_UNDEFINED, 0, NULL);
+static src_reg undef_src = src_reg(PROGRAM_UNDEFINED, 0, NULL);
-dst_reg undef_dst = dst_reg(PROGRAM_UNDEFINED, SWIZZLE_NOOP);
+static dst_reg undef_dst = dst_reg(PROGRAM_UNDEFINED, SWIZZLE_NOOP);
-dst_reg address_reg = dst_reg(PROGRAM_ADDRESS, WRITEMASK_X);
+static dst_reg address_reg = dst_reg(PROGRAM_ADDRESS, WRITEMASK_X);
static int
swizzle_for_size(int size)
{
- int size_swizzles[4] = {
+ static const int size_swizzles[4] = {
MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_X),
MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Y, SWIZZLE_Y),
MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_Z),
inst->src[2] = src2;
inst->ir = ir;
- inst->function = NULL;
-
this->instructions.push_tail(inst);
return inst;
fp->OriginUpperLeft = ir->origin_upper_left;
fp->PixelCenterInteger = ir->pixel_center_integer;
-
- } else if (strcmp(ir->name, "gl_FragDepth") == 0) {
- struct gl_fragment_program *fp = (struct gl_fragment_program *)this->prog;
- switch (ir->depth_layout) {
- case ir_depth_layout_none:
- fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_NONE;
- break;
- case ir_depth_layout_any:
- fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_ANY;
- break;
- case ir_depth_layout_greater:
- fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_GREATER;
- break;
- case ir_depth_layout_less:
- fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_LESS;
- break;
- case ir_depth_layout_unchanged:
- fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_UNCHANGED;
- break;
- default:
- assert(0);
- break;
- }
}
if (ir->mode == ir_var_uniform && strncmp(ir->name, "gl_", 3) == 0) {
result_src = op[0];
break;
case ir_unop_f2i:
+ case ir_unop_f2u:
emit(ir, OPCODE_TRUNC, result_dst, op[0]);
break;
case ir_unop_f2b:
emit(ir, OPCODE_SNE, result_dst,
op[0], src_reg_for_float(0.0));
break;
+ case ir_unop_bitcast_f2i: // Ignore these 4, they can't happen here anyway
+ case ir_unop_bitcast_f2u:
+ case ir_unop_bitcast_i2f:
+ case ir_unop_bitcast_u2f:
+ break;
case ir_unop_trunc:
emit(ir, OPCODE_TRUNC, result_dst, op[0]);
break;
emit(ir, OPCODE_MOV, result_dst, op[0]);
break;
+ case ir_binop_ubo_load:
+ assert(!"not supported");
+ break;
+
case ir_quadop_vector:
/* This operation should have already been handled.
*/
&this->result.swizzle);
}
-function_entry *
-ir_to_mesa_visitor::get_function_signature(ir_function_signature *sig)
-{
- function_entry *entry;
-
- foreach_iter(exec_list_iterator, iter, this->function_signatures) {
- entry = (function_entry *)iter.get();
-
- if (entry->sig == sig)
- return entry;
- }
-
- entry = ralloc(mem_ctx, function_entry);
- entry->sig = sig;
- entry->sig_id = this->next_signature_id++;
- entry->bgn_inst = NULL;
-
- /* Allocate storage for all the parameters. */
- foreach_iter(exec_list_iterator, iter, sig->parameters) {
- ir_variable *param = (ir_variable *)iter.get();
- variable_storage *storage;
-
- storage = find_variable_storage(param);
- assert(!storage);
-
- storage = new(mem_ctx) variable_storage(param, PROGRAM_TEMPORARY,
- this->next_temp);
- this->variables.push_tail(storage);
-
- this->next_temp += type_size(param->type);
- }
-
- if (!sig->return_type->is_void()) {
- entry->return_reg = get_temp(sig->return_type);
- } else {
- entry->return_reg = undef_src;
- }
-
- this->function_signatures.push_tail(entry);
- return entry;
-}
-
void
ir_to_mesa_visitor::visit(ir_call *ir)
{
- ir_to_mesa_instruction *call_inst;
- ir_function_signature *sig = ir->get_callee();
- function_entry *entry = get_function_signature(sig);
- int i;
-
- /* Process in parameters. */
- exec_list_iterator sig_iter = sig->parameters.iterator();
- foreach_iter(exec_list_iterator, iter, *ir) {
- ir_rvalue *param_rval = (ir_rvalue *)iter.get();
- ir_variable *param = (ir_variable *)sig_iter.get();
-
- if (param->mode == ir_var_in ||
- param->mode == ir_var_inout) {
- variable_storage *storage = find_variable_storage(param);
- assert(storage);
-
- param_rval->accept(this);
- src_reg r = this->result;
-
- dst_reg l;
- l.file = storage->file;
- l.index = storage->index;
- l.reladdr = NULL;
- l.writemask = WRITEMASK_XYZW;
- l.cond_mask = COND_TR;
-
- for (i = 0; i < type_size(param->type); i++) {
- emit(ir, OPCODE_MOV, l, r);
- l.index++;
- r.index++;
- }
- }
-
- sig_iter.next();
- }
- assert(!sig_iter.has_next());
-
- /* Emit call instruction */
- call_inst = emit(ir, OPCODE_CAL);
- call_inst->function = entry;
-
- /* Process out parameters. */
- sig_iter = sig->parameters.iterator();
- foreach_iter(exec_list_iterator, iter, *ir) {
- ir_rvalue *param_rval = (ir_rvalue *)iter.get();
- ir_variable *param = (ir_variable *)sig_iter.get();
-
- if (param->mode == ir_var_out ||
- param->mode == ir_var_inout) {
- variable_storage *storage = find_variable_storage(param);
- assert(storage);
-
- src_reg r;
- r.file = storage->file;
- r.index = storage->index;
- r.reladdr = NULL;
- r.swizzle = SWIZZLE_NOOP;
- r.negate = 0;
-
- param_rval->accept(this);
- dst_reg l = dst_reg(this->result);
-
- for (i = 0; i < type_size(param->type); i++) {
- emit(ir, OPCODE_MOV, l, r);
- l.index++;
- r.index++;
- }
- }
-
- sig_iter.next();
- }
- assert(!sig_iter.has_next());
-
- /* Process return value. */
- this->result = entry->return_reg;
+ assert(!"ir_to_mesa: All function calls should have been inlined by now.");
}
void
void
ir_to_mesa_visitor::visit(ir_return *ir)
{
- if (ir->get_value()) {
- dst_reg l;
- int i;
-
- assert(current_function);
-
- ir->get_value()->accept(this);
- src_reg r = this->result;
-
- l = dst_reg(current_function->return_reg);
-
- for (i = 0; i < type_size(current_function->sig->return_type); i++) {
- emit(ir, OPCODE_MOV, l, r);
- l.index++;
- r.index++;
- }
- }
-
+ /* Non-void functions should have been inlined. We may still emit RETs
+ * from main() unless the EmitNoMainReturn option is set.
+ */
+ assert(!ir->get_value());
emit(ir, OPCODE_RET);
}
void
ir_to_mesa_visitor::visit(ir_discard *ir)
{
- struct gl_fragment_program *fp = (struct gl_fragment_program *)this->prog;
-
if (ir->condition) {
ir->condition->accept(this);
this->result.negate = ~this->result.negate;
} else {
emit(ir, OPCODE_KIL_NV);
}
-
- fp->UsesKill = GL_TRUE;
}
void
}
}
-
-/**
- * Count resources used by the given gpu program (number of texture
- * samplers, etc).
- */
-static void
-count_resources(struct gl_program *prog)
-{
- unsigned int i;
-
- prog->SamplersUsed = 0;
-
- for (i = 0; i < prog->NumInstructions; i++) {
- struct prog_instruction *inst = &prog->Instructions[i];
-
- if (_mesa_is_tex_instruction(inst->Opcode)) {
- prog->SamplerTargets[inst->TexSrcUnit] =
- (gl_texture_index)inst->TexSrcTarget;
- prog->SamplersUsed |= 1 << inst->TexSrcUnit;
- if (inst->TexShadow) {
- prog->ShadowSamplers |= 1 << inst->TexSrcUnit;
- }
- }
- }
-
- _mesa_update_shader_textures_used(prog);
-}
-
-
-/**
- * Check if the given vertex/fragment/shader program is within the
- * resource limits of the context (number of texture units, etc).
- * If any of those checks fail, record a linker error.
- *
- * XXX more checks are needed...
- */
-static bool
-check_resources(const struct gl_context *ctx,
- struct gl_shader_program *shader_program,
- struct gl_program *prog)
-{
- switch (prog->Target) {
- case GL_VERTEX_PROGRAM_ARB:
- if (_mesa_bitcount(prog->SamplersUsed) >
- ctx->Const.MaxVertexTextureImageUnits) {
- linker_error(shader_program,
- "Too many vertex shader texture samplers");
- }
- if (prog->Parameters->NumParameters > MAX_UNIFORMS) {
- linker_error(shader_program, "Too many vertex shader constants");
- }
- break;
- case MESA_GEOMETRY_PROGRAM:
- if (_mesa_bitcount(prog->SamplersUsed) >
- ctx->Const.MaxGeometryTextureImageUnits) {
- linker_error(shader_program,
- "Too many geometry shader texture samplers");
- }
- if (prog->Parameters->NumParameters >
- MAX_GEOMETRY_UNIFORM_COMPONENTS / 4) {
- linker_error(shader_program, "Too many geometry shader constants");
- }
- break;
- case GL_FRAGMENT_PROGRAM_ARB:
- if (_mesa_bitcount(prog->SamplersUsed) >
- ctx->Const.MaxTextureImageUnits) {
- linker_error(shader_program,
- "Too many fragment shader texture samplers");
- }
- if (prog->Parameters->NumParameters > MAX_UNIFORMS) {
- linker_error(shader_program, "Too many fragment shader constants");
- }
- break;
- default:
- _mesa_problem(ctx, "unexpected program type in check_resources()");
- }
-
- return shader_program->LinkStatus;
-}
-
class add_uniform_to_shader : public uniform_field_visitor {
public:
add_uniform_to_shader(struct gl_shader_program *shader_program,
struct gl_program_parameter_list *params)
- : shader_program(shader_program), params(params), next_sampler(0)
+ : shader_program(shader_program), params(params), idx(-1)
{
/* empty */
}
- int process(ir_variable *var)
+ void process(ir_variable *var)
{
this->idx = -1;
this->uniform_field_visitor::process(var);
- return this->idx;
+ var->location = this->idx;
}
private:
struct gl_shader_program *shader_program;
struct gl_program_parameter_list *params;
- int next_sampler;
int idx;
};
int index = _mesa_lookup_parameter_index(params, -1, name);
if (index < 0) {
index = _mesa_add_parameter(params, file, name, size, type->gl_type,
- NULL, NULL, 0x0);
+ NULL, NULL);
/* Sampler uniform values are stored in prog->SamplerUnits,
* and the entry in that array is selected by this index we
* store in ParameterValues[].
*/
if (file == PROGRAM_SAMPLER) {
+ unsigned location;
+ const bool found =
+ this->shader_program->UniformHash->get(location,
+ params->Parameters[index].Name);
+ assert(found);
+
+ if (!found)
+ return;
+
+ struct gl_uniform_storage *storage =
+ &this->shader_program->UniformStorage[location];
+
for (unsigned int j = 0; j < size / 4; j++)
- params->ParameterValues[index + j][0].f = this->next_sampler++;
+ params->ParameterValues[index + j][0].f = storage->sampler + j;
}
}
ir_variable *var = ((ir_instruction *) node)->as_variable();
if ((var == NULL) || (var->mode != ir_var_uniform)
- || (strncmp(var->name, "gl_", 3) == 0))
+ || var->uniform_block != -1 || (strncmp(var->name, "gl_", 3) == 0))
continue;
- int loc = add.process(var);
-
- /* The location chosen in the Parameters list here (returned from
- * _mesa_add_parameter) has to match what the linker chose.
- */
- if (var->location != loc) {
- linker_error(shader_program,
- "Allocation of uniform `%s' to target failed "
- "(%d vs %d)\n",
- var->name, loc, var->location);
- }
+ add.process(var);
}
}
4 * sizeof(float),
format,
¶ms->ParameterValues[i]);
- last_location = location;
- }
- }
-}
-static void
-set_uniform_initializer(struct gl_context *ctx, void *mem_ctx,
- struct gl_shader_program *shader_program,
- const char *name, const glsl_type *type,
- ir_constant *val)
-{
- if (type->is_record()) {
- ir_constant *field_constant;
-
- field_constant = (ir_constant *)val->components.get_head();
-
- for (unsigned int i = 0; i < type->length; i++) {
- const glsl_type *field_type = type->fields.structure[i].type;
- const char *field_name = ralloc_asprintf(mem_ctx, "%s.%s", name,
- type->fields.structure[i].name);
- set_uniform_initializer(ctx, mem_ctx, shader_program, field_name,
- field_type, field_constant);
- field_constant = (ir_constant *)field_constant->next;
- }
- return;
- }
-
- int loc = _mesa_get_uniform_location(ctx, shader_program, name);
-
- if (loc == -1) {
- linker_error(shader_program,
- "Couldn't find uniform for initializer %s\n", name);
- return;
- }
-
- for (unsigned int i = 0; i < (type->is_array() ? type->length : 1); i++) {
- ir_constant *element;
- const glsl_type *element_type;
- if (type->is_array()) {
- element = val->array_elements[i];
- element_type = type->fields.array;
- } else {
- element = val;
- element_type = type;
- }
-
- void *values;
-
- if (element_type->base_type == GLSL_TYPE_BOOL) {
- int *conv = ralloc_array(mem_ctx, int, element_type->components());
- for (unsigned int j = 0; j < element_type->components(); j++) {
- conv[j] = element->value.b[j];
- }
- values = (void *)conv;
- element_type = glsl_type::get_instance(GLSL_TYPE_INT,
- element_type->vector_elements,
- 1);
- } else {
- values = &element->value;
- }
-
- if (element_type->is_matrix()) {
- _mesa_uniform_matrix(ctx, shader_program,
- element_type->matrix_columns,
- element_type->vector_elements,
- loc, 1, GL_FALSE, (GLfloat *)values);
- loc += element_type->matrix_columns;
- } else {
- _mesa_uniform(ctx, shader_program, loc, element_type->matrix_columns,
- values, element_type->gl_type);
- loc += type_size(element_type);
- }
- }
-}
-
-static void
-set_uniform_initializers(struct gl_context *ctx,
- struct gl_shader_program *shader_program)
-{
- void *mem_ctx = NULL;
-
- for (unsigned int i = 0; i < MESA_SHADER_TYPES; i++) {
- struct gl_shader *shader = shader_program->_LinkedShaders[i];
-
- if (shader == NULL)
- continue;
-
- foreach_iter(exec_list_iterator, iter, *shader->ir) {
- ir_instruction *ir = (ir_instruction *)iter.get();
- ir_variable *var = ir->as_variable();
-
- if (!var || var->mode != ir_var_uniform || !var->constant_value)
- continue;
-
- if (!mem_ctx)
- mem_ctx = ralloc_context(NULL);
+ /* After attaching the driver's storage to the uniform, propagate any
+ * data from the linker's backing store. This will cause values from
+ * initializers in the source code to be copied over.
+ */
+ _mesa_propagate_uniforms_to_driver_storage(storage,
+ 0,
+ MAX2(1, storage->array_elements));
- set_uniform_initializer(ctx, mem_ctx, shader_program, var->name,
- var->type, var->constant_value);
+ last_location = location;
}
}
-
- ralloc_free(mem_ctx);
}
/*
struct gl_program *prog;
GLenum target;
const char *target_string;
- GLboolean progress;
struct gl_shader_compiler_options *options =
&ctx->ShaderCompilerOptions[_mesa_shader_type_to_index(shader->Type)];
visit_exec_list(shader->ir, &v);
v.emit(NULL, OPCODE_END);
- /* Now emit bodies for any functions that were used. */
- do {
- progress = GL_FALSE;
-
- foreach_iter(exec_list_iterator, iter, v.function_signatures) {
- function_entry *entry = (function_entry *)iter.get();
-
- if (!entry->bgn_inst) {
- v.current_function = entry;
-
- entry->bgn_inst = v.emit(NULL, OPCODE_BGNSUB);
- entry->bgn_inst->function = entry;
-
- visit_exec_list(&entry->sig->body, &v);
-
- ir_to_mesa_instruction *last;
- last = (ir_to_mesa_instruction *)v.instructions.get_tail();
- if (last->op != OPCODE_RET)
- v.emit(NULL, OPCODE_RET);
-
- ir_to_mesa_instruction *end;
- end = v.emit(NULL, OPCODE_ENDSUB);
- end->function = entry;
-
- progress = GL_TRUE;
- }
- }
- } while (progress);
-
prog->NumTemporaries = v.next_temp;
int num_instructions = 0;
"rasterization.\n");
}
break;
- case OPCODE_BGNSUB:
- inst->function->inst = i;
- mesa_inst->Comment = strdup(inst->function->sig->function_name());
- break;
- case OPCODE_ENDSUB:
- mesa_inst->Comment = strdup(inst->function->sig->function_name());
- break;
- case OPCODE_CAL:
- mesa_inst->BranchTarget = inst->function->sig_id; /* rewritten later */
- break;
case OPCODE_ARL:
prog->NumAddressRegs = 1;
break;
mesa_instructions = NULL;
do_set_program_inouts(shader->ir, prog, shader->Type == GL_FRAGMENT_SHADER);
- count_resources(prog);
- if (!check_resources(ctx, shader_program, prog))
- goto fail_exit;
+ prog->SamplersUsed = shader->active_samplers;
+ prog->ShadowSamplers = shader->shadow_samplers;
+ _mesa_update_shader_textures_used(shader_program, prog);
+
+ /* Set the gl_FragDepth layout. */
+ if (target == GL_FRAGMENT_PROGRAM_ARB) {
+ struct gl_fragment_program *fp = (struct gl_fragment_program *)prog;
+ fp->FragDepthLayout = shader_program->FragDepthLayout;
+ }
_mesa_reference_program(ctx, &shader->Program, prog);
_mesa_optimize_program(ctx, prog);
}
+ /* This has to be done last. Any operation that can cause
+ * prog->ParameterValues to get reallocated (e.g., anything that adds a
+ * program constant) has to happen before creating this linkage.
+ */
+ _mesa_associate_uniform_storage(ctx, shader_program, prog->Parameters);
+ if (!shader_program->LinkStatus) {
+ goto fail_exit;
+ }
+
return prog;
fail_exit:
return;
}
- state->error = preprocess(state, &source, &state->info_log,
+ state->error = glcpp_preprocess(state, &source, &state->info_log,
&ctx->Extensions, ctx->API);
if (ctx->Shader.Flags & GLSL_DUMP) {
}
}
+ if (shader->UniformBlocks)
+ ralloc_free(shader->UniformBlocks);
+ shader->NumUniformBlocks = state->num_uniform_blocks;
+ shader->UniformBlocks = state->uniform_blocks;
+ ralloc_steal(shader, shader->UniformBlocks);
+
/* Retain any live IR, but trash the rest. */
reparent_ir(shader->ir, shader->ir);
}
}
- set_uniform_initializers(ctx, prog);
-
if (ctx->Shader.Flags & GLSL_DUMP) {
if (!prog->LinkStatus) {
printf("GLSL shader program %d failed to link\n", prog->Name);
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