static GLushort *radeonAllocElts( radeonContextPtr rmesa, GLuint nr )
{
if (rmesa->dma.flush)
rmesa->dma.flush( rmesa );
radeonEnsureCmdBufSpace(rmesa, AOS_BUFSZ(rmesa->tcl.nr_aos_components) +
rmesa->hw.max_state_size + ELTS_BUFSZ(nr));
radeonEmitAOS( rmesa,
rmesa->tcl.aos_components,
rmesa->tcl.nr_aos_components, 0 );
return radeonAllocEltsOpenEnded( rmesa,
rmesa->tcl.vertex_format,
rmesa->tcl.hw_primitive, nr );
}
/* Flush vertices in the current dma region.
*/
static void flush_last_swtcl_prim( radeonContextPtr rmesa )
{
if (RADEON_DEBUG & DEBUG_IOCTL)
fprintf(stderr, "%s\n", __FUNCTION__);
rmesa->dma.flush = NULL;
if (rmesa->dma.current.buf) {
struct radeon_dma_region *current = &rmesa->dma.current;
GLuint current_offset = (rmesa->radeonScreen->gart_buffer_offset +
current->buf->buf->idx * RADEON_BUFFER_SIZE +
current->start);
assert (!(rmesa->swtcl.hw_primitive & RADEON_CP_VC_CNTL_PRIM_WALK_IND));
assert (current->start +
rmesa->swtcl.numverts * rmesa->swtcl.vertex_size * 4 ==
current->ptr);
if (rmesa->dma.current.start != rmesa->dma.current.ptr) {
radeonEnsureCmdBufSpace( rmesa, VERT_AOS_BUFSZ +
rmesa->hw.max_state_size + VBUF_BUFSZ );
radeonEmitVertexAOS( rmesa,
rmesa->swtcl.vertex_size,
current_offset);
radeonEmitVbufPrim( rmesa,
rmesa->swtcl.vertex_format,
rmesa->swtcl.hw_primitive,
rmesa->swtcl.numverts);
}
rmesa->swtcl.numverts = 0;
current->start = current->ptr;
}
}
/* TODO: Try to extend existing primitive if both are identical,
* discrete and there are no intervening state changes. (Somewhat
* duplicates changes to DrawArrays code)
*/
static void radeonEmitPrim( GLcontext *ctx,
GLenum prim,
GLuint hwprim,
GLuint start,
GLuint count)
{
radeonContextPtr rmesa = RADEON_CONTEXT( ctx );
radeonTclPrimitive( ctx, prim, hwprim );
radeonEnsureCmdBufSpace( rmesa, AOS_BUFSZ(rmesa->tcl.nr_aos_components) +
rmesa->hw.max_state_size + VBUF_BUFSZ );
radeonEmitAOS( rmesa,
rmesa->tcl.aos_components,
rmesa->tcl.nr_aos_components,
start );
/* Why couldn't this packet have taken an offset param?
*/
radeonEmitVbufPrim( rmesa,
rmesa->tcl.vertex_format,
rmesa->tcl.hw_primitive,
count - start );
}
