#include "brw_wm.h"
#include "talloc.h"
}
+#include "brw_fs.h"
#include "../glsl/glsl_types.h"
#include "../glsl/ir_optimization.h"
#include "../glsl/ir_print_visitor.h"
-enum register_file {
- ARF = BRW_ARCHITECTURE_REGISTER_FILE,
- GRF = BRW_GENERAL_REGISTER_FILE,
- MRF = BRW_MESSAGE_REGISTER_FILE,
- IMM = BRW_IMMEDIATE_VALUE,
- FIXED_HW_REG, /* a struct brw_reg */
- UNIFORM, /* prog_data->params[hw_reg] */
- BAD_FILE
-};
-
-enum fs_opcodes {
- FS_OPCODE_FB_WRITE = 256,
- FS_OPCODE_RCP,
- FS_OPCODE_RSQ,
- FS_OPCODE_SQRT,
- FS_OPCODE_EXP2,
- FS_OPCODE_LOG2,
- FS_OPCODE_POW,
- FS_OPCODE_SIN,
- FS_OPCODE_COS,
- FS_OPCODE_DDX,
- FS_OPCODE_DDY,
- FS_OPCODE_LINTERP,
- FS_OPCODE_TEX,
- FS_OPCODE_TXB,
- FS_OPCODE_TXL,
- FS_OPCODE_DISCARD_NOT,
- FS_OPCODE_DISCARD_AND,
-};
-
static int using_new_fs = -1;
static struct brw_reg brw_reg_from_fs_reg(class fs_reg *reg);
}
}
-class fs_reg {
-public:
- /* Callers of this talloc-based new need not call delete. It's
- * easier to just talloc_free 'ctx' (or any of its ancestors). */
- static void* operator new(size_t size, void *ctx)
- {
- void *node;
-
- node = talloc_size(ctx, size);
- assert(node != NULL);
-
- return node;
- }
-
- void init()
- {
- this->reg = 0;
- this->reg_offset = 0;
- this->negate = 0;
- this->abs = 0;
- this->hw_reg = -1;
- }
-
- /** Generic unset register constructor. */
- fs_reg()
- {
- init();
- this->file = BAD_FILE;
- }
-
- /** Immediate value constructor. */
- fs_reg(float f)
- {
- init();
- this->file = IMM;
- this->type = BRW_REGISTER_TYPE_F;
- this->imm.f = f;
- }
-
- /** Immediate value constructor. */
- fs_reg(int32_t i)
- {
- init();
- this->file = IMM;
- this->type = BRW_REGISTER_TYPE_D;
- this->imm.i = i;
- }
-
- /** Immediate value constructor. */
- fs_reg(uint32_t u)
- {
- init();
- this->file = IMM;
- this->type = BRW_REGISTER_TYPE_UD;
- this->imm.u = u;
- }
-
- /** Fixed brw_reg Immediate value constructor. */
- fs_reg(struct brw_reg fixed_hw_reg)
- {
- init();
- this->file = FIXED_HW_REG;
- this->fixed_hw_reg = fixed_hw_reg;
- this->type = fixed_hw_reg.type;
- }
-
- fs_reg(enum register_file file, int hw_reg);
- fs_reg(class fs_visitor *v, const struct glsl_type *type);
-
- /** Register file: ARF, GRF, MRF, IMM. */
- enum register_file file;
- /** virtual register number. 0 = fixed hw reg */
- int reg;
- /** Offset within the virtual register. */
- int reg_offset;
- /** HW register number. Generally unset until register allocation. */
- int hw_reg;
- /** Register type. BRW_REGISTER_TYPE_* */
- int type;
- bool negate;
- bool abs;
- struct brw_reg fixed_hw_reg;
-
- /** Value for file == BRW_IMMMEDIATE_FILE */
- union {
- int32_t i;
- uint32_t u;
- float f;
- } imm;
-};
-
static const fs_reg reg_undef;
static const fs_reg reg_null(ARF, BRW_ARF_NULL);
-class fs_inst : public exec_node {
-public:
- /* Callers of this talloc-based new need not call delete. It's
- * easier to just talloc_free 'ctx' (or any of its ancestors). */
- static void* operator new(size_t size, void *ctx)
- {
- void *node;
-
- node = talloc_zero_size(ctx, size);
- assert(node != NULL);
-
- return node;
- }
-
- void init()
- {
- this->opcode = BRW_OPCODE_NOP;
- this->saturate = false;
- this->conditional_mod = BRW_CONDITIONAL_NONE;
- this->predicated = false;
- this->sampler = 0;
- this->target = 0;
- this->eot = false;
- this->header_present = false;
- this->shadow_compare = false;
- }
-
- fs_inst()
- {
- init();
- }
-
- fs_inst(int opcode)
- {
- init();
- this->opcode = opcode;
- }
-
- fs_inst(int opcode, fs_reg dst, fs_reg src0)
- {
- init();
- this->opcode = opcode;
- this->dst = dst;
- this->src[0] = src0;
- }
-
- fs_inst(int opcode, fs_reg dst, fs_reg src0, fs_reg src1)
- {
- init();
- this->opcode = opcode;
- this->dst = dst;
- this->src[0] = src0;
- this->src[1] = src1;
- }
-
- fs_inst(int opcode, fs_reg dst, fs_reg src0, fs_reg src1, fs_reg src2)
- {
- init();
- this->opcode = opcode;
- this->dst = dst;
- this->src[0] = src0;
- this->src[1] = src1;
- this->src[2] = src2;
- }
-
- int opcode; /* BRW_OPCODE_* or FS_OPCODE_* */
- fs_reg dst;
- fs_reg src[3];
- bool saturate;
- bool predicated;
- int conditional_mod; /**< BRW_CONDITIONAL_* */
-
- int mlen; /**< SEND message length */
- int sampler;
- int target; /**< MRT target. */
- bool eot;
- bool header_present;
- bool shadow_compare;
-
- /** @{
- * Annotation for the generated IR. One of the two can be set.
- */
- ir_instruction *ir;
- const char *annotation;
- /** @} */
-};
-
-class fs_visitor : public ir_visitor
-{
-public:
-
- fs_visitor(struct brw_wm_compile *c, struct brw_shader *shader)
- {
- this->c = c;
- this->p = &c->func;
- this->brw = p->brw;
- this->fp = brw->fragment_program;
- this->intel = &brw->intel;
- this->ctx = &intel->ctx;
- this->mem_ctx = talloc_new(NULL);
- this->shader = shader;
- this->fail = false;
- this->variable_ht = hash_table_ctor(0,
- hash_table_pointer_hash,
- hash_table_pointer_compare);
-
- this->frag_color = NULL;
- this->frag_data = NULL;
- this->frag_depth = NULL;
- this->first_non_payload_grf = 0;
-
- this->current_annotation = NULL;
- this->annotation_string = NULL;
- this->annotation_ir = NULL;
- this->base_ir = NULL;
-
- this->virtual_grf_sizes = NULL;
- this->virtual_grf_next = 1;
- this->virtual_grf_array_size = 0;
- this->virtual_grf_def = NULL;
- this->virtual_grf_use = NULL;
-
- this->kill_emitted = false;
- }
-
- ~fs_visitor()
- {
- talloc_free(this->mem_ctx);
- hash_table_dtor(this->variable_ht);
- }
-
- fs_reg *variable_storage(ir_variable *var);
- int virtual_grf_alloc(int size);
-
- void visit(ir_variable *ir);
- void visit(ir_assignment *ir);
- void visit(ir_dereference_variable *ir);
- void visit(ir_dereference_record *ir);
- void visit(ir_dereference_array *ir);
- void visit(ir_expression *ir);
- void visit(ir_texture *ir);
- void visit(ir_if *ir);
- void visit(ir_constant *ir);
- void visit(ir_swizzle *ir);
- void visit(ir_return *ir);
- void visit(ir_loop *ir);
- void visit(ir_loop_jump *ir);
- void visit(ir_discard *ir);
- void visit(ir_call *ir);
- void visit(ir_function *ir);
- void visit(ir_function_signature *ir);
-
- fs_inst *emit(fs_inst inst);
- void assign_curb_setup();
- void calculate_urb_setup();
- void assign_urb_setup();
- void assign_regs();
- void assign_regs_trivial();
- void calculate_live_intervals();
- bool propagate_constants();
- bool register_coalesce();
- bool dead_code_eliminate();
- bool virtual_grf_interferes(int a, int b);
- void generate_code();
- void generate_fb_write(fs_inst *inst);
- void generate_linterp(fs_inst *inst, struct brw_reg dst,
- struct brw_reg *src);
- void generate_tex(fs_inst *inst, struct brw_reg dst, struct brw_reg src);
- void generate_math(fs_inst *inst, struct brw_reg dst, struct brw_reg *src);
- void generate_discard_not(fs_inst *inst, struct brw_reg temp);
- void generate_discard_and(fs_inst *inst, struct brw_reg temp);
- void generate_ddx(fs_inst *inst, struct brw_reg dst, struct brw_reg src);
- void generate_ddy(fs_inst *inst, struct brw_reg dst, struct brw_reg src);
-
- void emit_dummy_fs();
- fs_reg *emit_fragcoord_interpolation(ir_variable *ir);
- fs_reg *emit_frontfacing_interpolation(ir_variable *ir);
- fs_reg *emit_general_interpolation(ir_variable *ir);
- void emit_interpolation_setup_gen4();
- void emit_interpolation_setup_gen6();
- fs_inst *emit_texture_gen4(ir_texture *ir, fs_reg dst, fs_reg coordinate);
- fs_inst *emit_texture_gen5(ir_texture *ir, fs_reg dst, fs_reg coordinate);
- void emit_fb_writes();
- void emit_assignment_writes(fs_reg &l, fs_reg &r,
- const glsl_type *type, bool predicated);
-
- struct brw_reg interp_reg(int location, int channel);
- int setup_uniform_values(int loc, const glsl_type *type);
- void setup_builtin_uniform_values(ir_variable *ir);
-
- struct brw_context *brw;
- const struct gl_fragment_program *fp;
- struct intel_context *intel;
- GLcontext *ctx;
- struct brw_wm_compile *c;
- struct brw_compile *p;
- struct brw_shader *shader;
- void *mem_ctx;
- exec_list instructions;
-
- int *virtual_grf_sizes;
- int virtual_grf_next;
- int virtual_grf_array_size;
- int *virtual_grf_def;
- int *virtual_grf_use;
-
- struct hash_table *variable_ht;
- ir_variable *frag_color, *frag_data, *frag_depth;
- int first_non_payload_grf;
- int urb_setup[FRAG_ATTRIB_MAX];
- bool kill_emitted;
-
- /** @{ debug annotation info */
- const char *current_annotation;
- ir_instruction *base_ir;
- const char **annotation_string;
- ir_instruction **annotation_ir;
- /** @} */
-
- bool fail;
-
- /* Result of last visit() method. */
- fs_reg result;
-
- fs_reg pixel_x;
- fs_reg pixel_y;
- fs_reg wpos_w;
- fs_reg pixel_w;
- fs_reg delta_x;
- fs_reg delta_y;
-
- int grf_used;
-
-};
-
int
fs_visitor::virtual_grf_alloc(int size)
{
--- /dev/null
+/*
+ * 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.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+
+extern "C" {
+
+#include <sys/types.h>
+
+#include "main/macros.h"
+#include "main/shaderobj.h"
+#include "main/uniforms.h"
+#include "program/prog_parameter.h"
+#include "program/prog_print.h"
+#include "program/prog_optimize.h"
+#include "program/register_allocate.h"
+#include "program/sampler.h"
+#include "program/hash_table.h"
+#include "brw_context.h"
+#include "brw_eu.h"
+#include "brw_wm.h"
+#include "talloc.h"
+}
+#include "../glsl/glsl_types.h"
+#include "../glsl/ir.h"
+
+enum register_file {
+ ARF = BRW_ARCHITECTURE_REGISTER_FILE,
+ GRF = BRW_GENERAL_REGISTER_FILE,
+ MRF = BRW_MESSAGE_REGISTER_FILE,
+ IMM = BRW_IMMEDIATE_VALUE,
+ FIXED_HW_REG, /* a struct brw_reg */
+ UNIFORM, /* prog_data->params[hw_reg] */
+ BAD_FILE
+};
+
+enum fs_opcodes {
+ FS_OPCODE_FB_WRITE = 256,
+ FS_OPCODE_RCP,
+ FS_OPCODE_RSQ,
+ FS_OPCODE_SQRT,
+ FS_OPCODE_EXP2,
+ FS_OPCODE_LOG2,
+ FS_OPCODE_POW,
+ FS_OPCODE_SIN,
+ FS_OPCODE_COS,
+ FS_OPCODE_DDX,
+ FS_OPCODE_DDY,
+ FS_OPCODE_LINTERP,
+ FS_OPCODE_TEX,
+ FS_OPCODE_TXB,
+ FS_OPCODE_TXL,
+ FS_OPCODE_DISCARD_NOT,
+ FS_OPCODE_DISCARD_AND,
+};
+
+
+class fs_reg {
+public:
+ /* Callers of this talloc-based new need not call delete. It's
+ * easier to just talloc_free 'ctx' (or any of its ancestors). */
+ static void* operator new(size_t size, void *ctx)
+ {
+ void *node;
+
+ node = talloc_size(ctx, size);
+ assert(node != NULL);
+
+ return node;
+ }
+
+ void init()
+ {
+ this->reg = 0;
+ this->reg_offset = 0;
+ this->negate = 0;
+ this->abs = 0;
+ this->hw_reg = -1;
+ }
+
+ /** Generic unset register constructor. */
+ fs_reg()
+ {
+ init();
+ this->file = BAD_FILE;
+ }
+
+ /** Immediate value constructor. */
+ fs_reg(float f)
+ {
+ init();
+ this->file = IMM;
+ this->type = BRW_REGISTER_TYPE_F;
+ this->imm.f = f;
+ }
+
+ /** Immediate value constructor. */
+ fs_reg(int32_t i)
+ {
+ init();
+ this->file = IMM;
+ this->type = BRW_REGISTER_TYPE_D;
+ this->imm.i = i;
+ }
+
+ /** Immediate value constructor. */
+ fs_reg(uint32_t u)
+ {
+ init();
+ this->file = IMM;
+ this->type = BRW_REGISTER_TYPE_UD;
+ this->imm.u = u;
+ }
+
+ /** Fixed brw_reg Immediate value constructor. */
+ fs_reg(struct brw_reg fixed_hw_reg)
+ {
+ init();
+ this->file = FIXED_HW_REG;
+ this->fixed_hw_reg = fixed_hw_reg;
+ this->type = fixed_hw_reg.type;
+ }
+
+ fs_reg(enum register_file file, int hw_reg);
+ fs_reg(class fs_visitor *v, const struct glsl_type *type);
+
+ /** Register file: ARF, GRF, MRF, IMM. */
+ enum register_file file;
+ /** virtual register number. 0 = fixed hw reg */
+ int reg;
+ /** Offset within the virtual register. */
+ int reg_offset;
+ /** HW register number. Generally unset until register allocation. */
+ int hw_reg;
+ /** Register type. BRW_REGISTER_TYPE_* */
+ int type;
+ bool negate;
+ bool abs;
+ struct brw_reg fixed_hw_reg;
+
+ /** Value for file == BRW_IMMMEDIATE_FILE */
+ union {
+ int32_t i;
+ uint32_t u;
+ float f;
+ } imm;
+};
+
+class fs_inst : public exec_node {
+public:
+ /* Callers of this talloc-based new need not call delete. It's
+ * easier to just talloc_free 'ctx' (or any of its ancestors). */
+ static void* operator new(size_t size, void *ctx)
+ {
+ void *node;
+
+ node = talloc_zero_size(ctx, size);
+ assert(node != NULL);
+
+ return node;
+ }
+
+ void init()
+ {
+ this->opcode = BRW_OPCODE_NOP;
+ this->saturate = false;
+ this->conditional_mod = BRW_CONDITIONAL_NONE;
+ this->predicated = false;
+ this->sampler = 0;
+ this->target = 0;
+ this->eot = false;
+ this->header_present = false;
+ this->shadow_compare = false;
+ }
+
+ fs_inst()
+ {
+ init();
+ }
+
+ fs_inst(int opcode)
+ {
+ init();
+ this->opcode = opcode;
+ }
+
+ fs_inst(int opcode, fs_reg dst, fs_reg src0)
+ {
+ init();
+ this->opcode = opcode;
+ this->dst = dst;
+ this->src[0] = src0;
+ }
+
+ fs_inst(int opcode, fs_reg dst, fs_reg src0, fs_reg src1)
+ {
+ init();
+ this->opcode = opcode;
+ this->dst = dst;
+ this->src[0] = src0;
+ this->src[1] = src1;
+ }
+
+ fs_inst(int opcode, fs_reg dst, fs_reg src0, fs_reg src1, fs_reg src2)
+ {
+ init();
+ this->opcode = opcode;
+ this->dst = dst;
+ this->src[0] = src0;
+ this->src[1] = src1;
+ this->src[2] = src2;
+ }
+
+ int opcode; /* BRW_OPCODE_* or FS_OPCODE_* */
+ fs_reg dst;
+ fs_reg src[3];
+ bool saturate;
+ bool predicated;
+ int conditional_mod; /**< BRW_CONDITIONAL_* */
+
+ int mlen; /**< SEND message length */
+ int sampler;
+ int target; /**< MRT target. */
+ bool eot;
+ bool header_present;
+ bool shadow_compare;
+
+ /** @{
+ * Annotation for the generated IR. One of the two can be set.
+ */
+ ir_instruction *ir;
+ const char *annotation;
+ /** @} */
+};
+
+class fs_visitor : public ir_visitor
+{
+public:
+
+ fs_visitor(struct brw_wm_compile *c, struct brw_shader *shader)
+ {
+ this->c = c;
+ this->p = &c->func;
+ this->brw = p->brw;
+ this->fp = brw->fragment_program;
+ this->intel = &brw->intel;
+ this->ctx = &intel->ctx;
+ this->mem_ctx = talloc_new(NULL);
+ this->shader = shader;
+ this->fail = false;
+ this->variable_ht = hash_table_ctor(0,
+ hash_table_pointer_hash,
+ hash_table_pointer_compare);
+
+ this->frag_color = NULL;
+ this->frag_data = NULL;
+ this->frag_depth = NULL;
+ this->first_non_payload_grf = 0;
+
+ this->current_annotation = NULL;
+ this->annotation_string = NULL;
+ this->annotation_ir = NULL;
+ this->base_ir = NULL;
+
+ this->virtual_grf_sizes = NULL;
+ this->virtual_grf_next = 1;
+ this->virtual_grf_array_size = 0;
+ this->virtual_grf_def = NULL;
+ this->virtual_grf_use = NULL;
+
+ this->kill_emitted = false;
+ }
+
+ ~fs_visitor()
+ {
+ talloc_free(this->mem_ctx);
+ hash_table_dtor(this->variable_ht);
+ }
+
+ fs_reg *variable_storage(ir_variable *var);
+ int virtual_grf_alloc(int size);
+
+ void visit(ir_variable *ir);
+ void visit(ir_assignment *ir);
+ void visit(ir_dereference_variable *ir);
+ void visit(ir_dereference_record *ir);
+ void visit(ir_dereference_array *ir);
+ void visit(ir_expression *ir);
+ void visit(ir_texture *ir);
+ void visit(ir_if *ir);
+ void visit(ir_constant *ir);
+ void visit(ir_swizzle *ir);
+ void visit(ir_return *ir);
+ void visit(ir_loop *ir);
+ void visit(ir_loop_jump *ir);
+ void visit(ir_discard *ir);
+ void visit(ir_call *ir);
+ void visit(ir_function *ir);
+ void visit(ir_function_signature *ir);
+
+ fs_inst *emit(fs_inst inst);
+ void assign_curb_setup();
+ void calculate_urb_setup();
+ void assign_urb_setup();
+ void assign_regs();
+ void assign_regs_trivial();
+ void calculate_live_intervals();
+ bool propagate_constants();
+ bool register_coalesce();
+ bool dead_code_eliminate();
+ bool virtual_grf_interferes(int a, int b);
+ void generate_code();
+ void generate_fb_write(fs_inst *inst);
+ void generate_linterp(fs_inst *inst, struct brw_reg dst,
+ struct brw_reg *src);
+ void generate_tex(fs_inst *inst, struct brw_reg dst, struct brw_reg src);
+ void generate_math(fs_inst *inst, struct brw_reg dst, struct brw_reg *src);
+ void generate_discard_not(fs_inst *inst, struct brw_reg temp);
+ void generate_discard_and(fs_inst *inst, struct brw_reg temp);
+ void generate_ddx(fs_inst *inst, struct brw_reg dst, struct brw_reg src);
+ void generate_ddy(fs_inst *inst, struct brw_reg dst, struct brw_reg src);
+
+ void emit_dummy_fs();
+ fs_reg *emit_fragcoord_interpolation(ir_variable *ir);
+ fs_reg *emit_frontfacing_interpolation(ir_variable *ir);
+ fs_reg *emit_general_interpolation(ir_variable *ir);
+ void emit_interpolation_setup_gen4();
+ void emit_interpolation_setup_gen6();
+ fs_inst *emit_texture_gen4(ir_texture *ir, fs_reg dst, fs_reg coordinate);
+ fs_inst *emit_texture_gen5(ir_texture *ir, fs_reg dst, fs_reg coordinate);
+ void emit_fb_writes();
+ void emit_assignment_writes(fs_reg &l, fs_reg &r,
+ const glsl_type *type, bool predicated);
+
+ struct brw_reg interp_reg(int location, int channel);
+ int setup_uniform_values(int loc, const glsl_type *type);
+ void setup_builtin_uniform_values(ir_variable *ir);
+
+ struct brw_context *brw;
+ const struct gl_fragment_program *fp;
+ struct intel_context *intel;
+ GLcontext *ctx;
+ struct brw_wm_compile *c;
+ struct brw_compile *p;
+ struct brw_shader *shader;
+ void *mem_ctx;
+ exec_list instructions;
+
+ int *virtual_grf_sizes;
+ int virtual_grf_next;
+ int virtual_grf_array_size;
+ int *virtual_grf_def;
+ int *virtual_grf_use;
+
+ struct hash_table *variable_ht;
+ ir_variable *frag_color, *frag_data, *frag_depth;
+ int first_non_payload_grf;
+ int urb_setup[FRAG_ATTRIB_MAX];
+ bool kill_emitted;
+
+ /** @{ debug annotation info */
+ const char *current_annotation;
+ ir_instruction *base_ir;
+ const char **annotation_string;
+ ir_instruction **annotation_ir;
+ /** @} */
+
+ bool fail;
+
+ /* Result of last visit() method. */
+ fs_reg result;
+
+ fs_reg pixel_x;
+ fs_reg pixel_y;
+ fs_reg wpos_w;
+ fs_reg pixel_w;
+ fs_reg delta_x;
+ fs_reg delta_y;
+
+ int grf_used;
+};
+
+GLboolean brw_do_channel_expressions(struct exec_list *instructions);
+GLboolean brw_do_vector_splitting(struct exec_list *instructions);
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