diff options
Diffstat (limited to 'src/gallium/drivers/r300')
-rw-r--r-- | src/gallium/drivers/r300/compiler/radeon_compiler.c | 4 | ||||
-rw-r--r-- | src/gallium/drivers/r300/compiler/radeon_compiler.h | 3 | ||||
-rw-r--r-- | src/gallium/drivers/r300/compiler/radeon_pair_regalloc.c | 275 | ||||
-rw-r--r-- | src/gallium/drivers/r300/compiler/radeon_regalloc.h | 62 | ||||
-rw-r--r-- | src/gallium/drivers/r300/r300_context.c | 6 | ||||
-rw-r--r-- | src/gallium/drivers/r300/r300_context.h | 5 | ||||
-rw-r--r-- | src/gallium/drivers/r300/r300_fs.c | 2 | ||||
-rw-r--r-- | src/gallium/drivers/r300/r300_vs.c | 2 |
8 files changed, 204 insertions, 155 deletions
diff --git a/src/gallium/drivers/r300/compiler/radeon_compiler.c b/src/gallium/drivers/r300/compiler/radeon_compiler.c index 4d4eb645841..081cd2d0d55 100644 --- a/src/gallium/drivers/r300/compiler/radeon_compiler.c +++ b/src/gallium/drivers/r300/compiler/radeon_compiler.c @@ -29,10 +29,11 @@ #include "radeon_dataflow.h" #include "radeon_program.h" #include "radeon_program_pair.h" +#include "radeon_regalloc.h" #include "radeon_compiler_util.h" -void rc_init(struct radeon_compiler * c) +void rc_init(struct radeon_compiler * c, const struct rc_regalloc_state *rs) { memset(c, 0, sizeof(*c)); @@ -40,6 +41,7 @@ void rc_init(struct radeon_compiler * c) c->Program.Instructions.Prev = &c->Program.Instructions; c->Program.Instructions.Next = &c->Program.Instructions; c->Program.Instructions.U.I.Opcode = RC_OPCODE_ILLEGAL_OPCODE; + c->regalloc_state = rs; } void rc_destroy(struct radeon_compiler * c) diff --git a/src/gallium/drivers/r300/compiler/radeon_compiler.h b/src/gallium/drivers/r300/compiler/radeon_compiler.h index f78a51c19c3..e2710d848c5 100644 --- a/src/gallium/drivers/r300/compiler/radeon_compiler.h +++ b/src/gallium/drivers/r300/compiler/radeon_compiler.h @@ -44,6 +44,7 @@ enum rc_program_type { struct radeon_compiler { struct memory_pool Pool; struct rc_program Program; + const struct rc_regalloc_state *regalloc_state; enum rc_program_type type; unsigned Debug:2; unsigned Error:1; @@ -77,7 +78,7 @@ struct radeon_compiler { unsigned initial_num_insts; /* Number of instructions at start. */ }; -void rc_init(struct radeon_compiler * c); +void rc_init(struct radeon_compiler * c, const struct rc_regalloc_state *rs); void rc_destroy(struct radeon_compiler * c); void rc_debug(struct radeon_compiler * c, const char * fmt, ...); diff --git a/src/gallium/drivers/r300/compiler/radeon_pair_regalloc.c b/src/gallium/drivers/r300/compiler/radeon_pair_regalloc.c index 12594c81966..0a0ca116deb 100644 --- a/src/gallium/drivers/r300/compiler/radeon_pair_regalloc.c +++ b/src/gallium/drivers/r300/compiler/radeon_pair_regalloc.c @@ -39,6 +39,7 @@ #include "radeon_compiler_util.h" #include "radeon_dataflow.h" #include "radeon_list.h" +#include "radeon_regalloc.h" #include "radeon_variable.h" #define VERBOSE 0 @@ -70,47 +71,96 @@ struct regalloc_state { int LoopEnd; }; -enum rc_reg_class { - RC_REG_CLASS_SINGLE, - RC_REG_CLASS_DOUBLE, - RC_REG_CLASS_TRIPLE, - RC_REG_CLASS_ALPHA, - RC_REG_CLASS_SINGLE_PLUS_ALPHA, - RC_REG_CLASS_DOUBLE_PLUS_ALPHA, - RC_REG_CLASS_TRIPLE_PLUS_ALPHA, - RC_REG_CLASS_X, - RC_REG_CLASS_Y, - RC_REG_CLASS_Z, - RC_REG_CLASS_XY, - RC_REG_CLASS_YZ, - RC_REG_CLASS_XZ, - RC_REG_CLASS_XW, - RC_REG_CLASS_YW, - RC_REG_CLASS_ZW, - RC_REG_CLASS_XYW, - RC_REG_CLASS_YZW, - RC_REG_CLASS_XZW, - RC_REG_CLASS_COUNT -}; - struct rc_class { - enum rc_reg_class Class; + enum rc_reg_class ID; unsigned int WritemaskCount; - /** This is 1 if this class is being used by the register allocator - * and 0 otherwise */ - unsigned int Used; - - /** This is the ID number assigned to this class by ra. */ - unsigned int Id; - /** List of writemasks that belong to this class */ unsigned int Writemasks[3]; }; +static const struct rc_class rc_class_list [] = { + {RC_REG_CLASS_SINGLE, 3, + {RC_MASK_X, + RC_MASK_Y, + RC_MASK_Z}}, + {RC_REG_CLASS_DOUBLE, 3, + {RC_MASK_X | RC_MASK_Y, + RC_MASK_X | RC_MASK_Z, + RC_MASK_Y | RC_MASK_Z}}, + {RC_REG_CLASS_TRIPLE, 1, + {RC_MASK_X | RC_MASK_Y | RC_MASK_Z, + RC_MASK_NONE, + RC_MASK_NONE}}, + {RC_REG_CLASS_ALPHA, 1, + {RC_MASK_W, + RC_MASK_NONE, + RC_MASK_NONE}}, + {RC_REG_CLASS_SINGLE_PLUS_ALPHA, 3, + {RC_MASK_X | RC_MASK_W, + RC_MASK_Y | RC_MASK_W, + RC_MASK_Z | RC_MASK_W}}, + {RC_REG_CLASS_DOUBLE_PLUS_ALPHA, 3, + {RC_MASK_X | RC_MASK_Y | RC_MASK_W, + RC_MASK_X | RC_MASK_Z | RC_MASK_W, + RC_MASK_Y | RC_MASK_Z | RC_MASK_W}}, + {RC_REG_CLASS_TRIPLE_PLUS_ALPHA, 1, + {RC_MASK_X | RC_MASK_Y | RC_MASK_Z | RC_MASK_W, + RC_MASK_NONE, + RC_MASK_NONE}}, + {RC_REG_CLASS_X, 1, + {RC_MASK_X, + RC_MASK_NONE, + RC_MASK_NONE}}, + {RC_REG_CLASS_Y, 1, + {RC_MASK_Y, + RC_MASK_NONE, + RC_MASK_NONE}}, + {RC_REG_CLASS_Z, 1, + {RC_MASK_Z, + RC_MASK_NONE, + RC_MASK_NONE}}, + {RC_REG_CLASS_XY, 1, + {RC_MASK_X | RC_MASK_Y, + RC_MASK_NONE, + RC_MASK_NONE}}, + {RC_REG_CLASS_YZ, 1, + {RC_MASK_Y | RC_MASK_Z, + RC_MASK_NONE, + RC_MASK_NONE}}, + {RC_REG_CLASS_XZ, 1, + {RC_MASK_X | RC_MASK_Z, + RC_MASK_NONE, + RC_MASK_NONE}}, + {RC_REG_CLASS_XW, 1, + {RC_MASK_X | RC_MASK_W, + RC_MASK_NONE, + RC_MASK_NONE}}, + {RC_REG_CLASS_YW, 1, + {RC_MASK_Y | RC_MASK_W, + RC_MASK_NONE, + RC_MASK_NONE}}, + {RC_REG_CLASS_ZW, 1, + {RC_MASK_Z | RC_MASK_W, + RC_MASK_NONE, + RC_MASK_NONE}}, + {RC_REG_CLASS_XYW, 1, + {RC_MASK_X | RC_MASK_Y | RC_MASK_W, + RC_MASK_NONE, + RC_MASK_NONE}}, + {RC_REG_CLASS_YZW, 1, + {RC_MASK_Y | RC_MASK_Z | RC_MASK_W, + RC_MASK_NONE, + RC_MASK_NONE}}, + {RC_REG_CLASS_XZW, 1, + {RC_MASK_X | RC_MASK_Z | RC_MASK_W, + RC_MASK_NONE, + RC_MASK_NONE}} +}; + static void print_live_intervals(struct live_intervals * src) { if (!src || !src->Used) { @@ -234,7 +284,7 @@ static unsigned int is_derivative(rc_opcode op) } static int find_class( - struct rc_class * classes, + const struct rc_class * classes, unsigned int writemask, unsigned int max_writemask_count) { @@ -274,7 +324,7 @@ static void variable_get_class_read_cb( static enum rc_reg_class variable_get_class( struct rc_variable * variable, - struct rc_class * classes) + const struct rc_class * classes) { unsigned int i; unsigned int can_change_writemask= 1; @@ -380,7 +430,7 @@ static enum rc_reg_class variable_get_class( can_change_writemask ? 3 : 1); done: if (class_index > -1) { - return classes[class_index].Class; + return classes[class_index].ID; } else { error: rc_error(variable->C, @@ -458,95 +508,14 @@ static void add_register_conflicts( static void do_advanced_regalloc(struct regalloc_state * s) { - struct rc_class rc_class_list [] = { - {RC_REG_CLASS_SINGLE, 3, 0, 0, - {RC_MASK_X, - RC_MASK_Y, - RC_MASK_Z}}, - {RC_REG_CLASS_DOUBLE, 3, 0, 0, - {RC_MASK_X | RC_MASK_Y, - RC_MASK_X | RC_MASK_Z, - RC_MASK_Y | RC_MASK_Z}}, - {RC_REG_CLASS_TRIPLE, 1, 0, 0, - {RC_MASK_X | RC_MASK_Y | RC_MASK_Z, - RC_MASK_NONE, - RC_MASK_NONE}}, - {RC_REG_CLASS_ALPHA, 1, 0, 0, - {RC_MASK_W, - RC_MASK_NONE, - RC_MASK_NONE}}, - {RC_REG_CLASS_SINGLE_PLUS_ALPHA, 3, 0, 0, - {RC_MASK_X | RC_MASK_W, - RC_MASK_Y | RC_MASK_W, - RC_MASK_Z | RC_MASK_W}}, - {RC_REG_CLASS_DOUBLE_PLUS_ALPHA, 3, 0, 0, - {RC_MASK_X | RC_MASK_Y | RC_MASK_W, - RC_MASK_X | RC_MASK_Z | RC_MASK_W, - RC_MASK_Y | RC_MASK_Z | RC_MASK_W}}, - {RC_REG_CLASS_TRIPLE_PLUS_ALPHA, 1, 0, 0, - {RC_MASK_X | RC_MASK_Y | RC_MASK_Z | RC_MASK_W, - RC_MASK_NONE, - RC_MASK_NONE}}, - {RC_REG_CLASS_X, 1, 0, 0, - {RC_MASK_X, - RC_MASK_NONE, - RC_MASK_NONE}}, - {RC_REG_CLASS_Y, 1, 0, 0, - {RC_MASK_Y, - RC_MASK_NONE, - RC_MASK_NONE}}, - {RC_REG_CLASS_Z, 1, 0, 0, - {RC_MASK_Z, - RC_MASK_NONE, - RC_MASK_NONE}}, - {RC_REG_CLASS_XY, 1, 0, 0, - {RC_MASK_X | RC_MASK_Y, - RC_MASK_NONE, - RC_MASK_NONE}}, - {RC_REG_CLASS_YZ, 1, 0, 0, - {RC_MASK_Y | RC_MASK_Z, - RC_MASK_NONE, - RC_MASK_NONE}}, - {RC_REG_CLASS_XZ, 1, 0, 0, - {RC_MASK_X | RC_MASK_Z, - RC_MASK_NONE, - RC_MASK_NONE}}, - {RC_REG_CLASS_XW, 1, 0, 0, - {RC_MASK_X | RC_MASK_W, - RC_MASK_NONE, - RC_MASK_NONE}}, - {RC_REG_CLASS_YW, 1, 0, 0, - {RC_MASK_Y | RC_MASK_W, - RC_MASK_NONE, - RC_MASK_NONE}}, - {RC_REG_CLASS_ZW, 1, 0, 0, - {RC_MASK_Z | RC_MASK_W, - RC_MASK_NONE, - RC_MASK_NONE}}, - {RC_REG_CLASS_XYW, 1, 0, 0, - {RC_MASK_X | RC_MASK_Y | RC_MASK_W, - RC_MASK_NONE, - RC_MASK_NONE}}, - {RC_REG_CLASS_YZW, 1, 0, 0, - {RC_MASK_Y | RC_MASK_Z | RC_MASK_W, - RC_MASK_NONE, - RC_MASK_NONE}}, - {RC_REG_CLASS_XZW, 1, 0, 0, - {RC_MASK_X | RC_MASK_Z | RC_MASK_W, - RC_MASK_NONE, - RC_MASK_NONE}} - }; - - unsigned int i, j, index, input_node, node_count, node_index; + + unsigned int i, input_node, node_count, node_index; unsigned int * node_classes; struct rc_instruction * inst; struct rc_list * var_ptr; struct rc_list * variables; - struct ra_regs * regs; struct ra_graph * graph; - - /* Allocate the main ra data structure */ - regs = ra_alloc_reg_set(NULL, s->C->max_temp_regs * RC_MASK_XYZW); + const struct rc_regalloc_state *ra_state = s->C->regalloc_state; /* Get list of program variables */ variables = rc_get_variables(s->C); @@ -561,37 +530,10 @@ static void do_advanced_regalloc(struct regalloc_state * s) rc_variable_compute_live_intervals(var_ptr->Item); class_index = variable_get_class(var_ptr->Item, rc_class_list); - - /* If we haven't used this register class yet, mark it - * as used and allocate space for it. */ - if (!rc_class_list[class_index].Used) { - rc_class_list[class_index].Used = 1; - rc_class_list[class_index].Id = ra_alloc_reg_class(regs); - } - - node_classes[node_index] = rc_class_list[class_index].Id; + node_classes[node_index] = ra_state->class_ids[class_index]; } - /* Assign registers to the classes */ - for (i = 0; i < RC_REG_CLASS_COUNT; i++) { - struct rc_class class = rc_class_list[i]; - if (!class.Used) { - continue; - } - - for (index = 0; index < s->C->max_temp_regs; index++) { - for (j = 0; j < class.WritemaskCount; j++) { - int reg_id = get_reg_id(index, - class.Writemasks[j]); - ra_class_add_reg(regs, class.Id, reg_id); - } - } - } - - /* Add register conflicts */ - add_register_conflicts(regs, s->C->max_temp_regs); - /* Calculate live intervals for input registers */ for (inst = s->C->Program.Instructions.Next; inst != &s->C->Program.Instructions; @@ -609,7 +551,7 @@ static void do_advanced_regalloc(struct regalloc_state * s) /* Compute the writemask for inputs. */ for (i = 0; i < s->NumInputs; i++) { - unsigned int chan, class_id, writemask = 0; + unsigned int chan, writemask = 0; for (chan = 0; chan < 4; chan++) { if (s->Input[i].Live[chan].Used) { writemask |= (1 << chan); @@ -618,9 +560,8 @@ static void do_advanced_regalloc(struct regalloc_state * s) s->Input[i].Writemask = writemask; } - ra_set_finalize(regs, NULL); - - graph = ra_alloc_interference_graph(regs, node_count + s->NumInputs); + graph = ra_alloc_interference_graph(ra_state->regs, + node_count + s->NumInputs); /* Build the interference graph */ for (var_ptr = variables, node_index = 0; var_ptr; @@ -691,7 +632,39 @@ static void do_advanced_regalloc(struct regalloc_state * s) } ralloc_free(graph); - ralloc_free(regs); +} + +void rc_init_regalloc_state(struct rc_regalloc_state *s) +{ + unsigned i, j, index; + /* Allocate the main ra data structure */ + s->regs = ra_alloc_reg_set(NULL, R500_PFS_NUM_TEMP_REGS * RC_MASK_XYZW); + + /* Create the register classes */ + for (i = 0; i < RC_REG_CLASS_COUNT; i++) { + const struct rc_class *class = &rc_class_list[i]; + s->class_ids[class->ID] = ra_alloc_reg_class(s->regs); + + /* Assign registers to the classes */ + for (index = 0; index < R500_PFS_NUM_TEMP_REGS; index++) { + for (j = 0; j < class->WritemaskCount; j++) { + int reg_id = get_reg_id(index, + class->Writemasks[j]); + ra_class_add_reg(s->regs, + s->class_ids[class->ID], reg_id); + } + } + } + + /* Add register conflicts */ + add_register_conflicts(s->regs, R500_PFS_NUM_TEMP_REGS); + + ra_set_finalize(s->regs, NULL); +} + +void rc_destroy_regalloc_state(struct rc_regalloc_state *s) +{ + ralloc_free(s->regs); } /** diff --git a/src/gallium/drivers/r300/compiler/radeon_regalloc.h b/src/gallium/drivers/r300/compiler/radeon_regalloc.h new file mode 100644 index 00000000000..260a3caf91d --- /dev/null +++ b/src/gallium/drivers/r300/compiler/radeon_regalloc.h @@ -0,0 +1,62 @@ +/* + * Copyright 2012 Advanced Micro Devices, Inc. + * + * 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 + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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. + * + * Author: Tom Stellard <[email protected]> + */ + +#ifndef RADEON_REGALLOC_H +#define RADEON_REGALLOC_H + +struct ra_regs; + +enum rc_reg_class { + RC_REG_CLASS_SINGLE, + RC_REG_CLASS_DOUBLE, + RC_REG_CLASS_TRIPLE, + RC_REG_CLASS_ALPHA, + RC_REG_CLASS_SINGLE_PLUS_ALPHA, + RC_REG_CLASS_DOUBLE_PLUS_ALPHA, + RC_REG_CLASS_TRIPLE_PLUS_ALPHA, + RC_REG_CLASS_X, + RC_REG_CLASS_Y, + RC_REG_CLASS_Z, + RC_REG_CLASS_XY, + RC_REG_CLASS_YZ, + RC_REG_CLASS_XZ, + RC_REG_CLASS_XW, + RC_REG_CLASS_YW, + RC_REG_CLASS_ZW, + RC_REG_CLASS_XYW, + RC_REG_CLASS_YZW, + RC_REG_CLASS_XZW, + RC_REG_CLASS_COUNT +}; + +struct rc_regalloc_state { + struct ra_regs *regs; + unsigned class_ids[RC_REG_CLASS_COUNT]; +}; + +void rc_init_regalloc_state(struct rc_regalloc_state *s); +void rc_destroy_regalloc_state(struct rc_regalloc_state *s); + +#endif /* RADEON_REGALLOC_H */ diff --git a/src/gallium/drivers/r300/r300_context.c b/src/gallium/drivers/r300/r300_context.c index 8cbe246f787..76c2e232009 100644 --- a/src/gallium/drivers/r300/r300_context.c +++ b/src/gallium/drivers/r300/r300_context.c @@ -35,6 +35,7 @@ #include "r300_emit.h" #include "r300_screen.h" #include "r300_screen_buffer.h" +#include "compiler/radeon_regalloc.h" static void r300_release_referenced_objects(struct r300_context *r300) { @@ -89,6 +90,8 @@ static void r300_destroy_context(struct pipe_context* context) if (r300->cs) r300->rws->cs_destroy(r300->cs); + rc_destroy_regalloc_state(&r300->fs_regalloc_state); + /* XXX: No way to tell if this was initialized or not? */ util_slab_destroy(&r300->pool_transfers); @@ -466,6 +469,9 @@ struct pipe_context* r300_create_context(struct pipe_screen* screen, r300->hyperz_time_of_last_flush = os_time_get(); + /* Register allocator state */ + rc_init_regalloc_state(&r300->fs_regalloc_state); + /* Print driver info. */ #ifdef DEBUG { diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h index 2c7b477685a..fe253089094 100644 --- a/src/gallium/drivers/r300/r300_context.h +++ b/src/gallium/drivers/r300/r300_context.h @@ -33,6 +33,7 @@ #include "r300_defines.h" #include "r300_screen.h" +#include "compiler/radeon_regalloc.h" #include "../../winsys/radeon/drm/radeon_winsys.h" struct u_upload_mgr; @@ -622,6 +623,10 @@ struct r300_context { boolean hiz_in_use; /* Whether HIZ is enabled. */ enum r300_hiz_func hiz_func; /* HiZ function. Can be either MIN or MAX. */ uint32_t hiz_clear_value; /* HiZ clear value. */ + + /* Compiler state. */ + struct rc_regalloc_state fs_regalloc_state; /* Register allocator info for + * fragment shaders. */ }; #define foreach_atom(r300, atom) \ diff --git a/src/gallium/drivers/r300/r300_fs.c b/src/gallium/drivers/r300/r300_fs.c index 8a492d2b40d..0842f9ad5dc 100644 --- a/src/gallium/drivers/r300/r300_fs.c +++ b/src/gallium/drivers/r300/r300_fs.c @@ -442,7 +442,7 @@ static void r300_translate_fragment_shader( /* Setup the compiler. */ memset(&compiler, 0, sizeof(compiler)); - rc_init(&compiler.Base); + rc_init(&compiler.Base, &r300->fs_regalloc_state); DBG_ON(r300, DBG_FP) ? compiler.Base.Debug |= RC_DBG_LOG : 0; DBG_ON(r300, DBG_P_STAT) ? compiler.Base.Debug |= RC_DBG_STATS : 0; diff --git a/src/gallium/drivers/r300/r300_vs.c b/src/gallium/drivers/r300/r300_vs.c index 4faf2b58b0f..ea0621e2d3e 100644 --- a/src/gallium/drivers/r300/r300_vs.c +++ b/src/gallium/drivers/r300/r300_vs.c @@ -210,7 +210,7 @@ void r300_translate_vertex_shader(struct r300_context *r300, /* Setup the compiler */ memset(&compiler, 0, sizeof(compiler)); - rc_init(&compiler.Base); + rc_init(&compiler.Base, NULL); DBG_ON(r300, DBG_VP) ? compiler.Base.Debug |= RC_DBG_LOG : 0; DBG_ON(r300, DBG_P_STAT) ? compiler.Base.Debug |= RC_DBG_STATS : 0; |