draw: add vertex shader run_linear function

This commit is contained in:
Keith Whitwell 2008-04-17 14:20:00 +01:00
parent 938ec19210
commit 280bcff1fa
15 changed files with 286 additions and 59 deletions

View file

@ -48,7 +48,7 @@
#include "tgsi/util/tgsi_dump.h"
#include "draw_context.h"
#include "draw_private.h"
#include "draw_vs.h"
/*

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@ -36,7 +36,7 @@
#include "pipe/p_shader_tokens.h"
#include "draw_context.h"
#include "draw_private.h"
#include "draw_vs.h"
#ifndef IS_NEGATIVE

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@ -33,8 +33,8 @@
#include "pipe/p_util.h"
#include "draw_context.h"
#include "draw_private.h"
#include "draw_vbuf.h"
#include "draw_vs.h"
struct draw_context *draw_create( void )
@ -108,6 +108,8 @@ struct draw_context *draw_create( void )
draw_vertex_cache_invalidate( draw );
draw_set_mapped_element_buffer( draw, 0, NULL );
tgsi_exec_machine_init(&draw->machine);
if (!draw_pt_init( draw ))
goto fail;
@ -460,3 +462,16 @@ boolean draw_get_edgeflag( struct draw_context *draw,
else
return 1;
}
#if 0
/* Crufty init function. Fix me.
*/
boolean draw_init_machine( struct draw_context *draw )
{
ALIGN16_DECL(struct tgsi_exec_vector, inputs, PIPE_MAX_ATTRIBS);
ALIGN16_DECL(struct tgsi_exec_vector, outputs, PIPE_MAX_ATTRIBS);
machine->Inputs = ALIGN16_ASSIGN(inputs);
machine->Outputs = ALIGN16_ASSIGN(outputs);
}
#endif

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@ -30,7 +30,7 @@
#include "pipe/p_util.h"
#include "pipe/p_shader_tokens.h"
#include "draw_private.h"
#include "draw_vs.h"
/** subclass of draw_stage */

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@ -55,6 +55,7 @@ struct gallivm_cpu_engine;
struct draw_pt_middle_end;
struct draw_pt_front_end;
struct draw_vertex_shader;
#define MAX_SHADER_VERTICES 128
@ -132,33 +133,6 @@ struct draw_stage
#define VCACHE_OVERFLOW 4
#define VS_QUEUE_LENGTH (VCACHE_SIZE + VCACHE_OVERFLOW + 1) /* can never fill up */
/**
* Private version of the compiled vertex_shader
*/
struct draw_vertex_shader {
/* This member will disappear shortly:
*/
struct pipe_shader_state state;
struct tgsi_shader_info info;
void (*prepare)( struct draw_vertex_shader *shader,
struct draw_context *draw );
/* Run the shader - this interface will get cleaned up in the
* future:
*/
boolean (*run)( struct draw_vertex_shader *shader,
struct draw_context *draw,
const unsigned *elts,
unsigned count,
void *out,
unsigned vertex_size);
void (*delete)( struct draw_vertex_shader * );
};
/* Internal function for vertex fetch.

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@ -32,9 +32,9 @@
#include "pipe/p_util.h"
#include "draw/draw_context.h"
#include "draw/draw_private.h"
#include "draw/draw_vertex.h"
#include "draw/draw_pt.h"
#include "draw/draw_vs.h"
/* The simplest 'middle end' in the new vertex code.
*

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@ -27,10 +27,10 @@
#include "pipe/p_util.h"
#include "draw/draw_context.h"
#include "draw/draw_private.h"
#include "draw/draw_vbuf.h"
#include "draw/draw_vertex.h"
#include "draw/draw_pt.h"
#include "draw/draw_vs.h"
#include "translate/translate.h"

View file

@ -31,7 +31,7 @@
#include "pipe/p_util.h"
#include "pipe/p_defines.h"
#include "pipe/p_shader_tokens.h"
#include "draw_private.h"
#include "draw_vs.h"
struct twoside_stage {

View file

@ -32,7 +32,7 @@
#include "pipe/p_util.h"
#include "pipe/p_shader_tokens.h"
#include "draw_private.h"
#include "draw_vs.h"
#include "draw_context.h"

View file

@ -95,10 +95,8 @@ draw_create_vertex_shader(struct draw_context *draw,
vs = draw_create_vs_exec( draw, shader );
}
}
assert(vs);
tgsi_scan_shader(shader->tokens, &vs->info);
return vs;
}
@ -113,9 +111,6 @@ draw_bind_vertex_shader(struct draw_context *draw,
{
draw->vertex_shader = dvs;
draw->num_vs_outputs = dvs->info.num_outputs;
tgsi_exec_machine_init(&draw->machine);
dvs->prepare( dvs, draw );
}
else {

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@ -35,10 +35,46 @@
#include "draw_private.h"
struct draw_vertex_shader;
struct draw_context;
struct pipe_shader_state;
/**
* Private version of the compiled vertex_shader
*/
struct draw_vertex_shader {
/* This member will disappear shortly:
*/
struct pipe_shader_state state;
struct tgsi_shader_info info;
void (*prepare)( struct draw_vertex_shader *shader,
struct draw_context *draw );
/* Run the shader - this interface will get cleaned up in the
* future:
*/
boolean (*run)( struct draw_vertex_shader *shader,
struct draw_context *draw,
const unsigned *elts,
unsigned count,
void *out,
unsigned vertex_size);
void (*run_linear)( struct draw_vertex_shader *shader,
const float (*input)[4],
float (*output)[4],
const float (*constants)[4],
unsigned count,
unsigned input_stride,
unsigned output_stride );
void (*delete)( struct draw_vertex_shader * );
};
struct draw_vertex_shader *
draw_create_vs_exec(struct draw_context *draw,
const struct pipe_shader_state *templ);
@ -79,5 +115,7 @@ compute_clipmask(const float *clip, /*const*/ float plane[][4], unsigned nr)
return mask;
}
#define MAX_TGSI_VERTICES 4
#endif

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@ -40,8 +40,20 @@
#include "tgsi/util/tgsi_parse.h"
#define MAX_TGSI_VERTICES 4
struct exec_vertex_shader {
struct draw_vertex_shader base;
struct tgsi_exec_machine *machine;
};
static struct exec_vertex_shader *exec_vertex_shader( struct draw_vertex_shader *vs )
{
return (struct exec_vertex_shader *)vs;
}
/* Not required for run_linear.
*/
static void
vs_exec_prepare( struct draw_vertex_shader *shader,
struct draw_context *draw )
@ -81,10 +93,9 @@ vs_exec_run( struct draw_vertex_shader *shader,
const float *scale = draw->viewport.scale;
const float *trans = draw->viewport.translate;
assert(draw->vertex_shader->info.output_semantic_name[0]
== TGSI_SEMANTIC_POSITION);
assert(shader->info.output_semantic_name[0] == TGSI_SEMANTIC_POSITION);
machine->Consts = (float (*)[4]) draw->user.constants;
machine->Consts = (const float (*)[4]) draw->user.constants;
machine->Inputs = ALIGN16_ASSIGN(inputs);
if (draw->rasterizer->bypass_vs) {
/* outputs are just the inputs */
@ -179,6 +190,64 @@ vs_exec_run( struct draw_vertex_shader *shader,
/* Simplified vertex shader interface for the pt paths. Given the
* complexity of code-generating all the above operations together,
* it's time to try doing all the other stuff separately.
*/
static void
vs_exec_run_linear( struct draw_vertex_shader *shader,
const float (*input)[4],
float (*output)[4],
const float (*constants)[4],
unsigned count,
unsigned input_stride,
unsigned output_stride )
{
struct exec_vertex_shader *evs = exec_vertex_shader(shader);
struct tgsi_exec_machine *machine = evs->machine;
unsigned int i, j;
unsigned slot;
machine->Consts = constants;
for (i = 0; i < count; i += MAX_TGSI_VERTICES) {
unsigned int max_vertices = MIN2(MAX_TGSI_VERTICES, count - i);
/* Swizzle inputs.
*/
for (j = 0; j < max_vertices; j++) {
for (slot = 0; slot < shader->info.num_inputs; slot++) {
machine->Inputs[slot].xyzw[0].f[j] = input[slot][0];
machine->Inputs[slot].xyzw[1].f[j] = input[slot][1];
machine->Inputs[slot].xyzw[2].f[j] = input[slot][2];
machine->Inputs[slot].xyzw[3].f[j] = input[slot][3];
}
}
/* run interpreter */
tgsi_exec_machine_run( machine );
/* Unswizzle all output results.
*/
for (j = 0; j < max_vertices; j++) {
for (slot = 0; slot < shader->info.num_outputs; slot++) {
output[slot][0] = machine->Outputs[slot].xyzw[0].f[j];
output[slot][1] = machine->Outputs[slot].xyzw[1].f[j];
output[slot][2] = machine->Outputs[slot].xyzw[2].f[j];
output[slot][3] = machine->Outputs[slot].xyzw[3].f[j];
}
}
/* Advance input, output pointers:
*/
input = (const float (*)[4])((const char *)input + input_stride);
output = (float (*)[4])((char *)output + output_stride);
}
}
static void
vs_exec_delete( struct draw_vertex_shader *dvs )
{
@ -191,17 +260,23 @@ struct draw_vertex_shader *
draw_create_vs_exec(struct draw_context *draw,
const struct pipe_shader_state *state)
{
struct draw_vertex_shader *vs = CALLOC_STRUCT( draw_vertex_shader );
struct exec_vertex_shader *vs = CALLOC_STRUCT( exec_vertex_shader );
uint nt = tgsi_num_tokens(state->tokens);
if (vs == NULL)
return NULL;
/* we make a private copy of the tokens */
vs->state.tokens = mem_dup(state->tokens, nt * sizeof(state->tokens[0]));
vs->prepare = vs_exec_prepare;
vs->run = vs_exec_run;
vs->delete = vs_exec_delete;
vs->base.state.tokens = mem_dup(state->tokens, nt * sizeof(state->tokens[0]));
tgsi_scan_shader(state->tokens, &vs->base.info);
return vs;
vs->base.prepare = vs_exec_prepare;
vs->base.run = vs_exec_run;
vs->base.run_linear = vs_exec_run_linear;
vs->base.delete = vs_exec_delete;
vs->machine = &draw->machine;
return &vs->base;
}

View file

@ -88,8 +88,7 @@ vs_llvm_run( struct draw_vertex_shader *base,
assert(count <= 4);
assert(draw->vertex_shader->state->output_semantic_name[0]
== TGSI_SEMANTIC_POSITION);
assert(base->state->output_semantic_name[0] == TGSI_SEMANTIC_POSITION);
/* Consts does not require 16 byte alignment. */
machine->Consts = (float (*)[4]) draw->user.constants;
@ -169,6 +168,65 @@ vs_llvm_run( struct draw_vertex_shader *base,
return clipped != 0;
}
static void
vs_llvm_run_linear( struct draw_vertex_shader *base,
const float (*input)[4],
float (*output)[4],
const float (*constants)[4],
unsigned count,
unsigned input_stride,
unsigned output_stride )
{
struct draw_llvm_vertex_shader *shader =
(struct draw_llvm_vertex_shader *)base;
struct tgsi_exec_machine *machine = &draw->machine;
unsigned int j;
for (i = 0; i < count; i += MAX_TGSI_VERTICES) {
unsigned int max_vertices = MIN2(MAX_TGSI_VERTICES, count - i);
/* Swizzle inputs.
*/
for (j = 0; j < max_vertices; j++) {
for (slot = 0; slot < draw->num_vs_inputs; slot++) {
machine->Inputs[slot].xyzw[0].f[j] = input[slot][0];
machine->Inputs[slot].xyzw[1].f[j] = input[slot][1];
machine->Inputs[slot].xyzw[2].f[j] = input[slot][2];
machine->Inputs[slot].xyzw[3].f[j] = input[slot][3];
}
}
/* run shader */
gallivm_cpu_vs_exec(shader->llvm_prog,
machine->Inputs,
machine->Outputs,
(float (*)[4]) constants,
machine->Temps);
/* Unswizzle all output results
*/
for (slot = 1; slot < draw->num_vs_outputs; slot++) {
output[slot][0] = machine->Outputs[slot].xyzw[0].f[j];
output[slot][1] = machine->Outputs[slot].xyzw[1].f[j];
output[slot][2] = machine->Outputs[slot].xyzw[2].f[j];
output[slot][3] = machine->Outputs[slot].xyzw[3].f[j];
}
/* Advance input, output pointers:
*/
input = (const float (*)[4])((const char *)input + input_stride);
output = (float (*)[4])((char *)output + output_stride);
}
}
static void
vs_llvm_delete( struct draw_vertex_shader *base )
{
@ -198,8 +256,12 @@ draw_create_vs_llvm(struct draw_context *draw,
/* we make a private copy of the tokens */
vs->base.state.tokens = mem_dup(templ->tokens, nt * sizeof(templ->tokens[0]));
tgsi_scan_shader(shader->tokens, &vs->base.info);
vs->base.prepare = vs_llvm_prepare;
vs->base.run = vs_llvm_run;
vs->base.run_linear = vs_llvm_run_linear;
vs->base.delete = vs_llvm_delete;
{

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@ -58,7 +58,11 @@ typedef void (XSTDCALL *codegen_function) (
struct draw_sse_vertex_shader {
struct draw_vertex_shader base;
struct x86_function sse2_program;
codegen_function func;
struct tgsi_exec_machine *machine;
float immediates[TGSI_EXEC_NUM_IMMEDIATES][4];
};
@ -96,11 +100,10 @@ vs_sse_run( struct draw_vertex_shader *base,
const float *scale = draw->viewport.scale;
const float *trans = draw->viewport.translate;
assert(draw->vertex_shader->info.output_semantic_name[0]
== TGSI_SEMANTIC_POSITION);
assert(base->info.output_semantic_name[0] == TGSI_SEMANTIC_POSITION);
/* Consts does not require 16 byte alignment. */
machine->Consts = (float (*)[4]) draw->user.constants;
machine->Consts = (const float (*)[4]) draw->user.constants;
machine->Inputs = ALIGN16_ASSIGN(inputs);
if (draw->rasterizer->bypass_vs) {
/* outputs are just the inputs */
@ -124,7 +127,7 @@ vs_sse_run( struct draw_vertex_shader *base,
*/
shader->func(machine->Inputs,
machine->Outputs,
machine->Consts,
(float (*)[4])machine->Consts,
machine->Temps,
shader->immediates);
}
@ -200,6 +203,67 @@ vs_sse_run( struct draw_vertex_shader *base,
}
/* Simplified vertex shader interface for the pt paths. Given the
* complexity of code-generating all the above operations together,
* it's time to try doing all the other stuff separately.
*/
static void
vs_sse_run_linear( struct draw_vertex_shader *base,
const float (*input)[4],
float (*output)[4],
const float (*constants)[4],
unsigned count,
unsigned input_stride,
unsigned output_stride )
{
struct draw_sse_vertex_shader *shader = (struct draw_sse_vertex_shader *)base;
struct tgsi_exec_machine *machine = shader->machine;
unsigned int i, j;
unsigned slot;
for (i = 0; i < count; i += MAX_TGSI_VERTICES) {
unsigned int max_vertices = MIN2(MAX_TGSI_VERTICES, count - i);
/* Swizzle inputs.
*/
for (j = 0; j < max_vertices; j++) {
for (slot = 0; slot < base->info.num_inputs; slot++) {
machine->Inputs[slot].xyzw[0].f[j] = input[slot][0];
machine->Inputs[slot].xyzw[1].f[j] = input[slot][1];
machine->Inputs[slot].xyzw[2].f[j] = input[slot][2];
machine->Inputs[slot].xyzw[3].f[j] = input[slot][3];
}
}
/* run compiled shader
*/
shader->func(machine->Inputs,
machine->Outputs,
(float (*)[4])constants,
machine->Temps,
shader->immediates);
/* Unswizzle all output results.
*/
for (j = 0; j < max_vertices; j++) {
for (slot = 0; slot < base->info.num_outputs; slot++) {
output[slot][0] = machine->Outputs[slot].xyzw[0].f[j];
output[slot][1] = machine->Outputs[slot].xyzw[1].f[j];
output[slot][2] = machine->Outputs[slot].xyzw[2].f[j];
output[slot][3] = machine->Outputs[slot].xyzw[3].f[j];
}
}
/* Advance input, output pointers:
*/
input = (const float (*)[4])((const char *)input + input_stride);
output = (float (*)[4])((char *)output + output_stride);
}
}
static void
vs_sse_delete( struct draw_vertex_shader *base )
@ -229,8 +293,12 @@ draw_create_vs_sse(struct draw_context *draw,
/* we make a private copy of the tokens */
vs->base.state.tokens = mem_dup(templ->tokens, nt * sizeof(templ->tokens[0]));
tgsi_scan_shader(templ->tokens, &vs->base.info);
vs->base.prepare = vs_sse_prepare;
vs->base.run = vs_sse_run;
vs->base.run_linear = vs_sse_run_linear;
vs->base.delete = vs_sse_delete;
x86_init_func( &vs->sse2_program );

View file

@ -31,7 +31,7 @@
#include "pipe/p_util.h"
#include "pipe/p_defines.h"
#include "pipe/p_shader_tokens.h"
#include "draw_private.h"
#include "draw_vs.h"
struct widepoint_stage {