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gallium: add a src_index[] array to draw's vertex_info for mapping post-xform vertex attribs to hw vertex attribs

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This commit is contained in:
Brian 2008-01-21 11:16:22 -07:00
parent f4b89be701
commit 382b86e90f
5 changed files with 48 additions and 39 deletions
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19
src/mesa/pipe/cell/ppu/cell_state_derived.c
View file

@ -54,6 +54,7 @@ static void calculate_vertex_layout( struct cell_context *cell )
= cell->rasterizer->flatshade ? INTERP_CONSTANT : INTERP_LINEAR;
struct vertex_info *vinfo = &cell->vertex_info;
uint front0;
uint src = 0;
memset(vinfo, 0, sizeof(*vinfo));
@ -68,10 +69,10 @@ static void calculate_vertex_layout( struct cell_context *cell )
#endif
/* always emit vertex pos */
draw_emit_vertex_attr(vinfo, FORMAT_4F, INTERP_LINEAR);
draw_emit_vertex_attr(vinfo, FORMAT_4F, INTERP_LINEAR, src++);
#if 1
front0 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp);
front0 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp, src++);
#endif
#if 0
@ -94,11 +95,11 @@ static void calculate_vertex_layout( struct cell_context *cell )
case TGSI_SEMANTIC_COLOR:
if (vs->output_semantic_index[i] == 0) {
front0 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp);
front0 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp, src++);
}
else {
assert(vs->output_semantic_index[i] == 1);
front1 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp);
front1 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp, src++);
}
break;
@ -113,7 +114,7 @@ static void calculate_vertex_layout( struct cell_context *cell )
break;
case TGSI_SEMANTIC_FOG:
draw_emit_vertex_attr(vinfo, FORMAT_1F, INTERP_PERSPECTIVE);
draw_emit_vertex_attr(vinfo, FORMAT_1F, INTERP_PERSPECTIVE, src++);
break;
case TGSI_SEMANTIC_PSIZE:
@ -125,7 +126,7 @@ static void calculate_vertex_layout( struct cell_context *cell )
case TGSI_SEMANTIC_GENERIC:
/* this includes texcoords and varying vars */
draw_emit_vertex_attr(vinfo, FORMAT_4F, INTERP_PERSPECTIVE);
draw_emit_vertex_attr(vinfo, FORMAT_4F, INTERP_PERSPECTIVE, src++);
break;
default:
@ -140,14 +141,14 @@ static void calculate_vertex_layout( struct cell_context *cell )
* up 1:1 with the fragment shader inputs.
*/
if (emitBack0) {
back0 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp);
back0 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp, src++);
}
if (emitBack1) {
back1 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp);
back1 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp, src++);
}
if (emitPsize) {
cell->psize_slot
= draw_emit_vertex_attr(vinfo, FORMAT_1F, INTERP_CONSTANT);
= draw_emit_vertex_attr(vinfo, FORMAT_1F, INTERP_CONSTANT, src++);
}
/* If the attributes have changed, tell the draw module about

29
src/mesa/pipe/draw/draw_vbuf.c
View file

@ -139,37 +139,38 @@ emit_vertex( struct vbuf_stage *vbuf,
vertex->vertex_id = vbuf->nr_vertices++;
for (i = 0; i < vinfo->num_attribs; i++) {
uint j = vinfo->src_index[i];
switch (vinfo->format[i]) {
case FORMAT_OMIT:
/* no-op */
break;
case FORMAT_1F:
*vbuf->vertex_ptr++ = fui(vertex->data[i][0]);
*vbuf->vertex_ptr++ = fui(vertex->data[j][0]);
count++;
break;
case FORMAT_2F:
*vbuf->vertex_ptr++ = fui(vertex->data[i][0]);
*vbuf->vertex_ptr++ = fui(vertex->data[i][1]);
*vbuf->vertex_ptr++ = fui(vertex->data[j][0]);
*vbuf->vertex_ptr++ = fui(vertex->data[j][1]);
count += 2;
break;
case FORMAT_3F:
*vbuf->vertex_ptr++ = fui(vertex->data[i][0]);
*vbuf->vertex_ptr++ = fui(vertex->data[i][1]);
*vbuf->vertex_ptr++ = fui(vertex->data[i][2]);
*vbuf->vertex_ptr++ = fui(vertex->data[j][0]);
*vbuf->vertex_ptr++ = fui(vertex->data[j][1]);
*vbuf->vertex_ptr++ = fui(vertex->data[j][2]);
count += 3;
break;
case FORMAT_4F:
*vbuf->vertex_ptr++ = fui(vertex->data[i][0]);
*vbuf->vertex_ptr++ = fui(vertex->data[i][1]);
*vbuf->vertex_ptr++ = fui(vertex->data[i][2]);
*vbuf->vertex_ptr++ = fui(vertex->data[i][3]);
*vbuf->vertex_ptr++ = fui(vertex->data[j][0]);
*vbuf->vertex_ptr++ = fui(vertex->data[j][1]);
*vbuf->vertex_ptr++ = fui(vertex->data[j][2]);
*vbuf->vertex_ptr++ = fui(vertex->data[j][3]);
count += 4;
break;
case FORMAT_4UB:
*vbuf->vertex_ptr++ = pack_ub4(float_to_ubyte( vertex->data[i][2] ),
float_to_ubyte( vertex->data[i][1] ),
float_to_ubyte( vertex->data[i][0] ),
float_to_ubyte( vertex->data[i][3] ));
*vbuf->vertex_ptr++ = pack_ub4(float_to_ubyte( vertex->data[j][2] ),
float_to_ubyte( vertex->data[j][1] ),
float_to_ubyte( vertex->data[j][0] ),
float_to_ubyte( vertex->data[j][3] ));
count += 1;
break;
default:

7
src/mesa/pipe/draw/draw_vertex.h
View file

@ -70,6 +70,7 @@ struct vertex_info
uint hwfmt[4]; /**< hardware format info for this format */
enum interp_mode interp_mode[PIPE_MAX_SHADER_OUTPUTS];
enum attrib_format format[PIPE_MAX_SHADER_OUTPUTS]; /**< FORMAT_x */
uint src_index[PIPE_MAX_SHADER_OUTPUTS];
uint size; /**< total vertex size in dwords */
};
@ -77,16 +78,20 @@ struct vertex_info
/**
* Add another attribute to the given vertex_info object.
* \param src_index indicates which post-transformed vertex attrib slot
* corresponds to this attribute.
* \return slot in which the attribute was added
*/
static INLINE uint
draw_emit_vertex_attr(struct vertex_info *vinfo,
enum attrib_format format, enum interp_mode interp)
enum attrib_format format, enum interp_mode interp,
uint src_index)
{
const uint n = vinfo->num_attribs;
assert(n < PIPE_MAX_SHADER_OUTPUTS);
vinfo->format[n] = format;
vinfo->interp_mode[n] = interp;
vinfo->src_index[n] = src_index;
vinfo->num_attribs++;
return n;
}

15
src/mesa/pipe/i915simple/i915_state_derived.c
View file

@ -50,12 +50,13 @@ static void calculate_vertex_layout( struct i915_context *i915 )
boolean needW = 0;
uint i;
boolean texCoords[8];
uint src = 0;
memset(texCoords, 0, sizeof(texCoords));
memset(&vinfo, 0, sizeof(vinfo));
/* pos */
draw_emit_vertex_attr(&vinfo, FORMAT_3F, INTERP_LINEAR);
draw_emit_vertex_attr(&vinfo, FORMAT_3F, INTERP_LINEAR, src++);
/* Note: we'll set the S4_VFMT_XYZ[W] bits below */
for (i = 0; i < fs->num_inputs; i++) {
@ -64,12 +65,12 @@ static void calculate_vertex_layout( struct i915_context *i915 )
break;
case TGSI_SEMANTIC_COLOR:
if (fs->input_semantic_index[i] == 0) {
front0 = draw_emit_vertex_attr(&vinfo, FORMAT_4UB, colorInterp);
front0 = draw_emit_vertex_attr(&vinfo, FORMAT_4UB, colorInterp, src++);
vinfo.hwfmt[0] |= S4_VFMT_COLOR;
}
else {
assert(fs->input_semantic_index[i] == 1);
front1 = draw_emit_vertex_attr(&vinfo, FORMAT_4UB, colorInterp);
front1 = draw_emit_vertex_attr(&vinfo, FORMAT_4UB, colorInterp, src++);
vinfo.hwfmt[0] |= S4_VFMT_SPEC_FOG;
}
break;
@ -79,7 +80,7 @@ static void calculate_vertex_layout( struct i915_context *i915 )
const uint unit = fs->input_semantic_index[i];
uint hwtc;
texCoords[unit] = TRUE;
draw_emit_vertex_attr(&vinfo, FORMAT_4F, INTERP_PERSPECTIVE);
draw_emit_vertex_attr(&vinfo, FORMAT_4F, INTERP_PERSPECTIVE, src++);
hwtc = TEXCOORDFMT_4D;
needW = TRUE;
vinfo.hwfmt[1] |= hwtc << (unit * 4);
@ -87,7 +88,7 @@ static void calculate_vertex_layout( struct i915_context *i915 )
break;
case TGSI_SEMANTIC_FOG:
fprintf(stderr, "i915 fogcoord not implemented yet\n");
draw_emit_vertex_attr(&vinfo, FORMAT_1F, INTERP_PERSPECTIVE);
draw_emit_vertex_attr(&vinfo, FORMAT_1F, INTERP_PERSPECTIVE, src++);
break;
default:
assert(0);
@ -119,10 +120,10 @@ static void calculate_vertex_layout( struct i915_context *i915 )
*/
if (i915->rasterizer->light_twoside) {
if (front0) {
back0 = draw_emit_vertex_attr(&vinfo, FORMAT_OMIT, colorInterp);
back0 = draw_emit_vertex_attr(&vinfo, FORMAT_OMIT, colorInterp, src++);
}
if (back0) {
back1 = draw_emit_vertex_attr(&vinfo, FORMAT_OMIT, colorInterp);
back1 = draw_emit_vertex_attr(&vinfo, FORMAT_OMIT, colorInterp, src++);
}
}

17
src/mesa/pipe/softpipe/sp_state_derived.c
View file

@ -48,6 +48,7 @@ static void calculate_vertex_layout( struct softpipe_context *softpipe )
boolean emitBack0 = FALSE, emitBack1 = FALSE, emitPsize = FALSE;
uint front0 = 0, back0 = 0, front1 = 0, back1 = 0;
uint i;
int src = 0;
memset(vinfo, 0, sizeof(*vinfo));
@ -61,7 +62,7 @@ static void calculate_vertex_layout( struct softpipe_context *softpipe )
softpipe->psize_slot = -1;
/* always emit vertex pos */
draw_emit_vertex_attr(vinfo, FORMAT_4F, INTERP_LINEAR);
draw_emit_vertex_attr(vinfo, FORMAT_4F, INTERP_LINEAR, src++);
/*
* XXX I think we need to reconcile the vertex shader outputs with
@ -82,11 +83,11 @@ static void calculate_vertex_layout( struct softpipe_context *softpipe )
case TGSI_SEMANTIC_COLOR:
if (vs->output_semantic_index[i] == 0) {
front0 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp);
front0 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp, src++);
}
else {
assert(vs->output_semantic_index[i] == 1);
front1 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp);
front1 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp, src++);
}
break;
@ -101,7 +102,7 @@ static void calculate_vertex_layout( struct softpipe_context *softpipe )
break;
case TGSI_SEMANTIC_FOG:
draw_emit_vertex_attr(vinfo, FORMAT_1F, INTERP_PERSPECTIVE);
draw_emit_vertex_attr(vinfo, FORMAT_1F, INTERP_PERSPECTIVE, src++);
break;
case TGSI_SEMANTIC_PSIZE:
@ -113,7 +114,7 @@ static void calculate_vertex_layout( struct softpipe_context *softpipe )
case TGSI_SEMANTIC_GENERIC:
/* this includes texcoords and varying vars */
draw_emit_vertex_attr(vinfo, FORMAT_4F, INTERP_PERSPECTIVE);
draw_emit_vertex_attr(vinfo, FORMAT_4F, INTERP_PERSPECTIVE, src++);
break;
default:
@ -128,14 +129,14 @@ static void calculate_vertex_layout( struct softpipe_context *softpipe )
* up 1:1 with the fragment shader inputs.
*/
if (emitBack0) {
back0 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp);
back0 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp, src++);
}
if (emitBack1) {
back1 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp);
back1 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp, src++);
}
if (emitPsize) {
softpipe->psize_slot
= draw_emit_vertex_attr(vinfo, FORMAT_1F, INTERP_CONSTANT);
= draw_emit_vertex_attr(vinfo, FORMAT_1F, INTERP_CONSTANT, src++);
}
/* If the attributes have changed, tell the draw module about