fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-24 15:20:10 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

run real vertex shaders, a total hack for now

Browse source
This commit is contained in:
Brian 2007-08-16 17:33:05 -06:00
parent 78d6d5e8fe
commit bf55f32c6f
1 changed files with 163 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

163
src/mesa/pipe/softpipe/sp_draw_arrays.c
View file

@ -44,6 +44,163 @@
#include "pipe/draw/draw_context.h"
#include "pipe/draw/draw_prim.h"
#include "pipe/tgsi/core/tgsi_exec.h"
#include "pipe/tgsi/core/tgsi_build.h"
#include "pipe/tgsi/core/tgsi_util.h"
#if defined __GNUC__
#define USE_ALIGNED_ATTRIBS 1
#define ALIGN16_SUFFIX __attribute__(( aligned( 16 ) ))
#else
#define USE_ALIGNED_ATTRIBS 0
#define ALIGN16_SUFFIX
#endif
static struct softpipe_context *sp_global = NULL;
static void
run_vertex_program2(struct draw_context *draw,
const void *vbuffer, unsigned elem,
struct vertex_header *vOut)
{
#if 1
struct softpipe_context *sp = sp_global;
#endif
struct tgsi_exec_machine machine;
int i;
#if USE_ALIGNED_ATTRIBS
struct tgsi_exec_vector inputs[PIPE_ATTRIB_MAX] ALIGN16_SUFFIX;
struct tgsi_exec_vector outputs[PIPE_ATTRIB_MAX] ALIGN16_SUFFIX;
#else
struct tgsi_exec_vector inputs[PIPE_ATTRIB_MAX + 1];
struct tgsi_exec_vector outputs[PIPE_ATTRIB_MAX + 1];
#endif
#ifdef DEBUG
memset( &machine, 0, sizeof( machine ) );
#endif
/* init machine state */
tgsi_exec_machine_init(
&machine,
sp->vs.tokens,
PIPE_MAX_SAMPLERS,
NULL /*samplers*/ );
/* Consts does not require 16 byte alignment. */
machine.Consts = sp->vs.constants->constant;
#if USE_ALIGNED_ATTRIBS
machine.Inputs = inputs;
machine.Outputs = outputs;
#else
machine.Inputs = (struct tgsi_exec_vector *) tgsi_align_128bit( inputs );
machine.Outputs = (struct tgsi_exec_vector *) tgsi_align_128bit( outputs );
#endif
{
const void *mapped = vbuffer;
const float *vIn, *cIn;
vIn = (const float *) ((const ubyte *) mapped
+ draw->vertex_buffer[0].buffer_offset
+ draw->vertex_element[0].src_offset
+ elem * draw->vertex_buffer[0].pitch);
cIn = (const float *) ((const ubyte *) mapped
+ draw->vertex_buffer[3].buffer_offset
+ draw->vertex_element[3].src_offset
+ elem * draw->vertex_buffer[3].pitch);
/*X*/
machine.Inputs[0].xyzw[0].f[0] = vIn[0];
machine.Inputs[0].xyzw[0].f[1] = vIn[0];
machine.Inputs[0].xyzw[0].f[2] = vIn[0];
machine.Inputs[0].xyzw[0].f[3] = vIn[0];
/*Y*/
machine.Inputs[0].xyzw[1].f[0] = vIn[1];
machine.Inputs[0].xyzw[1].f[1] = vIn[1];
machine.Inputs[0].xyzw[1].f[2] = vIn[1];
machine.Inputs[0].xyzw[1].f[3] = vIn[1];
/*Z*/
machine.Inputs[0].xyzw[2].f[0] = vIn[2];
machine.Inputs[0].xyzw[2].f[1] = vIn[2];
machine.Inputs[0].xyzw[2].f[2] = vIn[2];
machine.Inputs[0].xyzw[2].f[3] = vIn[2];
/*W*/
machine.Inputs[0].xyzw[3].f[0] = 1.0;
machine.Inputs[0].xyzw[3].f[1] = 1.0;
machine.Inputs[0].xyzw[3].f[2] = 1.0;
machine.Inputs[0].xyzw[3].f[3] = 1.0;
printf("VS Input: %f %f %f %f\n",
vIn[0], vIn[1], vIn[2], 1.0);
}
printf("Consts:\n");
for (i = 0; i < 4; i++) {
printf(" %d: %f %f %f %f\n", i,
machine.Consts[i][0],
machine.Consts[i][1],
machine.Consts[i][2],
machine.Consts[i][3]);
}
/* run shader */
tgsi_exec_machine_run( &machine );
/* store result pos */
printf("VS result: %f %f %f %f\n",
outputs[0].xyzw[0].f[0],
outputs[0].xyzw[1].f[0],
outputs[0].xyzw[2].f[0],
outputs[0].xyzw[3].f[0]);
{
const float *scale = draw->viewport.scale;
const float *trans = draw->viewport.translate;
float x, y, z, w;
x = outputs[0].xyzw[0].f[0];
y = outputs[0].xyzw[1].f[0];
z = outputs[0].xyzw[2].f[0];
w = outputs[0].xyzw[3].f[0];
/* divide by w */
x /= w;
y /= w;
z /= w;
w = 1.0 / w;
/* Viewport */
vOut->data[0][0] = scale[0] * x + trans[0];
vOut->data[0][1] = scale[1] * y + trans[1];
vOut->data[0][2] = scale[2] * z + trans[2];
vOut->data[0][3] = w;
printf("wincoord: %f %f %f\n",
vOut->data[0][0],
vOut->data[0][1],
vOut->data[0][2]);
vOut->data[1][0] = 1.0;
vOut->data[1][1] = 1.0;
vOut->data[1][2] = 1.0;
vOut->data[1][3] = 1.0;
}
#if 0
memcpy(
quad->outputs.color,
&machine.Outputs[1].xyzw[0].f[0],
sizeof( quad->outputs.color ) );
#endif
}
/**
@ -59,6 +216,9 @@ run_vertex_program(struct draw_context *draw,
const void *vbuffer, unsigned elem,
struct vertex_header *vOut)
{
run_vertex_program2(draw, vbuffer, elem, vOut);
#if 0
const float *vIn, *cIn;
const float *scale = draw->viewport.scale;
const float *trans = draw->viewport.translate;
@ -110,6 +270,7 @@ run_vertex_program(struct draw_context *draw,
vOut->data[1][2] = cIn[2];
vOut->data[1][3] = 1.0;
}
#endif
}
@ -161,6 +322,8 @@ softpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
struct draw_context *draw = sp->draw;
struct pipe_buffer_handle *buf;
sp_global = sp;
softpipe_map_surfaces(sp);
/*