static void r300RunRenderPrimitive(r300ContextPtr rmesa, GLcontext * ctx,
int start, int end, int prim)
{
int type, num_verts;
type = r300PrimitiveType(rmesa, ctx, prim);
num_verts = r300NumVerts(rmesa, end - start, prim);
if (type < 0 || num_verts <= 0)
return;
if (rmesa->state.VB.Elts) {
r300EmitAOS(rmesa, rmesa->state.aos_count, start);
if (num_verts > 65535) {
/* not implemented yet */
WARN_ONCE("Too many elts\n");
return;
}
r300EmitElts(ctx, rmesa->state.VB.Elts, num_verts,
rmesa->state.VB.elt_size);
r300FireEB(rmesa, rmesa->state.elt_dma.aos_offset,
num_verts, type, rmesa->state.VB.elt_size);
} else {
r300EmitAOS(rmesa, rmesa->state.aos_count, start);
r300FireAOS(rmesa, num_verts, type);
}
}
static void r300EmitVbufPrim(r300ContextPtr rmesa, GLuint primitive, GLuint vertex_nr)
{
BATCH_LOCALS(&rmesa->radeon);
int type, num_verts;
if (RADEON_DEBUG & RADEON_VERTS)
fprintf(stderr, "%s\n", __func__);
type = r300PrimitiveType(rmesa, primitive);
num_verts = r300NumVerts(rmesa, vertex_nr, primitive);
BEGIN_BATCH(3);
OUT_BATCH_PACKET3(R300_PACKET3_3D_DRAW_VBUF_2, 0);
OUT_BATCH(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (num_verts << 16) | type);
END_BATCH();
}
static void r300RunRenderPrimitive(r300ContextPtr rmesa, GLcontext * ctx,
int start, int end, int prim)
{
int type, num_verts;
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *vb = &tnl->vb;
type = r300PrimitiveType(rmesa, prim);
num_verts = r300NumVerts(rmesa, end - start, prim);
if (type < 0 || num_verts <= 0)
return;
if (vb->Elts) {
if (num_verts > 65535) {
/* not implemented yet */
WARN_ONCE("Too many elts\n");
return;
}
/* Note: The following is incorrect, but it's the best I can do
* without a major refactoring of how DMA memory is handled.
* The problem: Ensuring that both vertex arrays *and* index
* arrays are at the right position, and then ensuring that
* the LOAD_VBPNTR, DRAW_INDX and INDX_BUFFER packets are emitted
* at once.
*
* So why is the following incorrect? Well, it seems like
* allocating the index array might actually evict the vertex
* arrays. *sigh*
*/
r300EmitElts(ctx, vb->Elts, num_verts);
r300EmitAOS(rmesa, rmesa->state.aos_count, start);
r300FireEB(rmesa, rmesa->state.elt_dma.aos_offset, num_verts, type);
} else {
r300EmitAOS(rmesa, rmesa->state.aos_count, start);
r300FireAOS(rmesa, num_verts, type);
}
}
static GLuint r300PredictTryDrawPrimsSize(GLcontext *ctx,
GLuint nr_prims, const struct _mesa_prim *prim)
{
struct r300_context *r300 = R300_CONTEXT(ctx);
struct r300_vertex_buffer *vbuf = &r300->vbuf;
GLboolean flushed;
GLuint dwords;
GLuint state_size;
int i;
GLuint extra_prims = 0;
/* Check for primitive splitting. */
for (i = 0; i < nr_prims; ++i) {
const GLuint num_verts = r300NumVerts(r300, prim[i].count, prim[i].mode);
extra_prims += num_verts/(65535 - 32);
}
nr_prims += extra_prims;
dwords = 2*CACHE_FLUSH_BUFSZ;
dwords += PRE_EMIT_STATE_BUFSZ;
dwords += (AOS_BUFSZ(vbuf->num_attribs)
+ SCISSORS_BUFSZ*2
+ FIREAOS_BUFSZ )*nr_prims;
state_size = radeonCountStateEmitSize(&r300->radeon);
flushed = rcommonEnsureCmdBufSpace(&r300->radeon,
dwords + state_size,
__FUNCTION__);
if (flushed)
dwords += radeonCountStateEmitSize(&r300->radeon);
else
dwords += state_size;
radeon_print(RADEON_RENDER, RADEON_VERBOSE, "%s: total prediction size is %d.\n", __FUNCTION__, dwords);
return dwords;
}
