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r300g: support index bias on r500 and DRM 2.3.0

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This commit is contained in:
Marek Olšák
2010-04-26 07:08:59 +02:00
parent 54bcee1e40
commit 671f1e1229
1 changed files with 40 additions and 13 deletions
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53
src/gallium/drivers/r300/r300_render.c
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@@ -166,6 +166,24 @@ static boolean immd_is_good_idea(struct r300_context *r300,
* after resolving fallback issues (e.g. stencil ref two-sided). *
****************************************************************************/
static boolean r500_emit_index_offset(struct r300_context *r300, int indexBias)
{
CS_LOCALS(r300);
if (r300->screen->caps.is_r500 &&
r300->rws->get_value(r300->rws, R300_VID_DRM_2_3_0)) {
BEGIN_CS(2);
OUT_CS_REG(R500_VAP_INDEX_OFFSET,
(indexBias & 0xFFFFFF) | (indexBias < 0 ? 1<<24 : 0));
END_CS;
} else {
if (indexBias)
return FALSE; /* Can't do anything :( */
}
return TRUE;
}
void r500_emit_draw_arrays_immediate(struct r300_context *r300,
unsigned mode,
unsigned start,
@@ -221,6 +239,8 @@ void r500_emit_draw_arrays_immediate(struct r300_context *r300,
r300_emit_buffer_validate(r300, FALSE, NULL);
r300_emit_dirty_state(r300);
r500_emit_index_offset(r300, 0);
BEGIN_CS(dwords);
OUT_CS_REG(R300_GA_COLOR_CONTROL,
r300_provoking_vertex_fixes(r300, mode));
@@ -265,16 +285,17 @@ void r500_emit_draw_arrays(struct r300_context *r300,
boolean alt_num_verts = count > 65535;
CS_LOCALS(r300);
if (count >= (1 << 24)) {
fprintf(stderr, "r300: Got a huge number of vertices: %i, "
"refusing to render.\n", count);
return;
}
r500_emit_index_offset(r300, 0);
BEGIN_CS(7 + (alt_num_verts ? 2 : 0));
if (alt_num_verts) {
if (count >= (1 << 24)) {
fprintf(stderr, "r300: Got a huge number of vertices: %i, "
"refusing to render.\n", count);
return;
}
BEGIN_CS(9);
OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count);
} else {
BEGIN_CS(7);
}
OUT_CS_REG(R300_GA_COLOR_CONTROL,
r300_provoking_vertex_fixes(r300, mode));
@@ -309,18 +330,20 @@ void r500_emit_draw_elements(struct r300_context *r300,
return;
}
assert(indexBias == 0);
maxIndex = MIN2(maxIndex, r300->vertex_buffer_max_index);
DBG(r300, DBG_DRAW, "r300: Indexbuf of %u indices, min %u max %u\n",
count, minIndex, maxIndex);
if (!r500_emit_index_offset(r300, indexBias)) {
fprintf(stderr, "r300: Got a non-zero index bias, "
"refusing to render.\n");
return;
}
BEGIN_CS(13 + (alt_num_verts ? 2 : 0));
if (alt_num_verts) {
BEGIN_CS(15);
OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count);
} else {
BEGIN_CS(13);
}
OUT_CS_REG(R300_GA_COLOR_CONTROL,
r300_provoking_vertex_fixes(r300, mode));
@@ -879,6 +902,8 @@ static void r500_render_draw_arrays(struct vbuf_render* render,
DBG(r300, DBG_DRAW, "r300: Doing vbuf render, count %d\n", count);
r500_emit_index_offset(r300, 0);
BEGIN_CS(2);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0);
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) |
@@ -901,6 +926,8 @@ static void r500_render_draw(struct vbuf_render* render,
r300_emit_buffer_validate(r300, FALSE, NULL);
r300_emit_dirty_state(r300);
r500_emit_index_offset(r300, 0);
BEGIN_CS(dwords);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (count+1)/2);
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |