return (hw_type | hw_size);
}
+/* For instanced drawing from user buffers, hitting the FIFO repeatedly
+ * with the same vertex data is probably worse than uploading all data.
+ */
+static boolean
+nv50_upload_vtxbuf(struct nv50_context *nv50, unsigned i)
+{
+ struct nv50_screen *nscreen = nv50->screen;
+ struct pipe_screen *pscreen = &nscreen->base.base;
+ struct pipe_buffer *buf = nscreen->strm_vbuf[i];
+ struct pipe_vertex_buffer *vb = &nv50->vtxbuf[i];
+ uint8_t *src;
+ unsigned size = MAX2(vb->buffer->size, 4096);
+
+ if (buf && buf->size < size)
+ pipe_buffer_reference(&nscreen->strm_vbuf[i], NULL);
+
+ if (!nscreen->strm_vbuf[i]) {
+ nscreen->strm_vbuf[i] = pipe_buffer_create(
+ pscreen, 0, PIPE_BUFFER_USAGE_VERTEX, size);
+ buf = nscreen->strm_vbuf[i];
+ }
+
+ src = pipe_buffer_map(pscreen, vb->buffer, PIPE_BUFFER_USAGE_CPU_READ);
+ if (!src)
+ return FALSE;
+ src += vb->buffer_offset;
+
+ size = (vb->max_index + 1) * vb->stride + 16; /* + 16 is for stride 0 */
+ if (vb->buffer_offset + size > vb->buffer->size)
+ size = vb->buffer->size - vb->buffer_offset;
+
+ pipe_buffer_write(pscreen, buf, vb->buffer_offset, size, src);
+ pipe_buffer_unmap(pscreen, vb->buffer);
+
+ vb->buffer = buf; /* don't pipe_reference, this is a private copy */
+ return TRUE;
+}
+
+static void
+nv50_upload_user_vbufs(struct nv50_context *nv50)
+{
+ unsigned i;
+
+ if (nv50->vbo_fifo)
+ nv50->dirty |= NV50_NEW_ARRAYS;
+ if (!(nv50->dirty & NV50_NEW_ARRAYS))
+ return;
+
+ for (i = 0; i < nv50->vtxbuf_nr; ++i) {
+ if (nv50->vtxbuf[i].buffer->usage & PIPE_BUFFER_USAGE_VERTEX)
+ continue;
+ nv50_upload_vtxbuf(nv50, i);
+ }
+}
+
+static unsigned
+init_per_instance_arrays(struct nv50_context *nv50,
+ unsigned startInstance,
+ unsigned pos[16], unsigned step[16])
+{
+ struct nouveau_grobj *tesla = nv50->screen->tesla;
+ struct nouveau_channel *chan = tesla->channel;
+ struct nouveau_bo *bo;
+ struct nouveau_stateobj *so;
+ unsigned i, b, count = 0;
+ const uint32_t rl = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
+
+ so = so_new(nv50->vtxelt_nr, nv50->vtxelt_nr * 2, nv50->vtxelt_nr * 2);
+
+ for (i = 0; i < nv50->vtxelt_nr; ++i) {
+ if (!nv50->vtxelt[i].instance_divisor)
+ continue;
+ ++count;
+ b = nv50->vtxelt[i].vertex_buffer_index;
+
+ pos[i] = nv50->vtxelt[i].src_offset +
+ nv50->vtxbuf[b].buffer_offset +
+ startInstance * nv50->vtxbuf[b].stride;
+
+ if (!startInstance) {
+ step[i] = 0;
+ continue;
+ }
+ step[i] = startInstance % nv50->vtxelt[i].instance_divisor;
+
+ bo = nouveau_bo(nv50->vtxbuf[b].buffer);
+
+ so_method(so, tesla, NV50TCL_VERTEX_ARRAY_START_HIGH(i), 2);
+ so_reloc (so, bo, pos[i], rl | NOUVEAU_BO_LOW, 0, 0);
+ so_reloc (so, bo, pos[i], rl | NOUVEAU_BO_HIGH, 0, 0);
+ }
+
+ if (count) {
+ so_ref (so, &nv50->state.instbuf); /* for flush notify */
+ so_emit(chan, nv50->state.instbuf);
+ }
+ so_ref (NULL, &so);
+
+ return count;
+}
+
+static void
+step_per_instance_arrays(struct nv50_context *nv50,
+ unsigned pos[16], unsigned step[16])
+{
+ struct nouveau_grobj *tesla = nv50->screen->tesla;
+ struct nouveau_channel *chan = tesla->channel;
+ struct nouveau_bo *bo;
+ struct nouveau_stateobj *so;
+ unsigned i, b;
+ const uint32_t rl = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
+
+ so = so_new(nv50->vtxelt_nr, nv50->vtxelt_nr * 2, nv50->vtxelt_nr * 2);
+
+ for (i = 0; i < nv50->vtxelt_nr; ++i) {
+ if (!nv50->vtxelt[i].instance_divisor)
+ continue;
+ b = nv50->vtxelt[i].vertex_buffer_index;
+
+ if (++step[i] == nv50->vtxelt[i].instance_divisor) {
+ step[i] = 0;
+ pos[i] += nv50->vtxbuf[b].stride;
+ }
+
+ bo = nouveau_bo(nv50->vtxbuf[b].buffer);
+
+ so_method(so, tesla, NV50TCL_VERTEX_ARRAY_START_HIGH(i), 2);
+ so_reloc (so, bo, pos[i], rl | NOUVEAU_BO_LOW, 0, 0);
+ so_reloc (so, bo, pos[i], rl | NOUVEAU_BO_HIGH, 0, 0);
+ }
+
+ so_ref (so, &nv50->state.instbuf); /* for flush notify */
+ so_ref (NULL, &so);
+
+ so_emit(chan, nv50->state.instbuf);
+}
+
+void
+nv50_draw_arrays_instanced(struct pipe_context *pipe,
+ unsigned mode, unsigned start, unsigned count,
+ unsigned startInstance, unsigned instanceCount)
+{
+ struct nv50_context *nv50 = nv50_context(pipe);
+ struct nouveau_channel *chan = nv50->screen->tesla->channel;
+ struct nouveau_grobj *tesla = nv50->screen->tesla;
+ unsigned i, nz_divisors;
+ unsigned step[16], pos[16];
+
+ nv50_upload_user_vbufs(nv50);
+
+ nv50_state_validate(nv50);
+
+ nz_divisors = init_per_instance_arrays(nv50, startInstance, pos, step);
+
+ BEGIN_RING(chan, tesla, NV50TCL_CB_ADDR, 2);
+ OUT_RING (chan, NV50_CB_AUX | (24 << 8));
+ OUT_RING (chan, startInstance);
+
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BEGIN, 1);
+ OUT_RING (chan, nv50_prim(mode));
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BUFFER_FIRST, 2);
+ OUT_RING (chan, start);
+ OUT_RING (chan, count);
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_END, 1);
+ OUT_RING (chan, 0);
+
+ for (i = 1; i < instanceCount; i++) {
+ if (nz_divisors) /* any non-zero array divisors ? */
+ step_per_instance_arrays(nv50, pos, step);
+
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BEGIN, 1);
+ OUT_RING (chan, nv50_prim(mode) | (1 << 28));
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BUFFER_FIRST, 2);
+ OUT_RING (chan, start);
+ OUT_RING (chan, count);
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_END, 1);
+ OUT_RING (chan, 0);
+ }
+
+ so_ref(NULL, &nv50->state.instbuf);
+}
+
void
nv50_draw_arrays(struct pipe_context *pipe, unsigned mode, unsigned start,
unsigned count)
return TRUE;
}
+static INLINE void
+nv50_draw_elements_inline(struct nv50_context *nv50,
+ void *map, unsigned indexSize,
+ unsigned start, unsigned count)
+{
+ switch (indexSize) {
+ case 1:
+ nv50_draw_elements_inline_u08(nv50, map, start, count);
+ break;
+ case 2:
+ nv50_draw_elements_inline_u16(nv50, map, start, count);
+ break;
+ case 4:
+ nv50_draw_elements_inline_u32(nv50, map, start, count);
+ break;
+ }
+}
+
+void
+nv50_draw_elements_instanced(struct pipe_context *pipe,
+ struct pipe_buffer *indexBuffer,
+ unsigned indexSize,
+ unsigned mode, unsigned start, unsigned count,
+ unsigned startInstance, unsigned instanceCount)
+{
+ struct nv50_context *nv50 = nv50_context(pipe);
+ struct nouveau_grobj *tesla = nv50->screen->tesla;
+ struct nouveau_channel *chan = tesla->channel;
+ struct pipe_screen *pscreen = pipe->screen;
+ void *map;
+ unsigned i, nz_divisors;
+ unsigned step[16], pos[16];
+
+ map = pipe_buffer_map(pscreen, indexBuffer, PIPE_BUFFER_USAGE_CPU_READ);
+
+ nv50_upload_user_vbufs(nv50);
+
+ nv50_state_validate(nv50);
+
+ nz_divisors = init_per_instance_arrays(nv50, startInstance, pos, step);
+
+ BEGIN_RING(chan, tesla, NV50TCL_CB_ADDR, 2);
+ OUT_RING (chan, NV50_CB_AUX | (24 << 8));
+ OUT_RING (chan, startInstance);
+
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BEGIN, 1);
+ OUT_RING (chan, nv50_prim(mode) | (1 << 28));
+
+ nv50_draw_elements_inline(nv50, map, indexSize, start, count);
+
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_END, 1);
+ OUT_RING (chan, 0);
+
+ for (i = 1; i < instanceCount; ++i) {
+ if (nz_divisors) /* any non-zero array divisors ? */
+ step_per_instance_arrays(nv50, pos, step);
+
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BEGIN, 1);
+ OUT_RING (chan, nv50_prim(mode) | (1 << 28));
+
+ nv50_draw_elements_inline(nv50, map, indexSize, start, count);
+
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_END, 1);
+ OUT_RING (chan, 0);
+ }
+
+ so_ref(NULL, &nv50->state.instbuf);
+}
+
void
nv50_draw_elements(struct pipe_context *pipe,
struct pipe_buffer *indexBuffer, unsigned indexSize,
struct nouveau_grobj *tesla = nv50->screen->tesla;
struct pipe_screen *pscreen = pipe->screen;
void *map;
- boolean ret;
map = pipe_buffer_map(pscreen, indexBuffer, PIPE_BUFFER_USAGE_CPU_READ);
BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BEGIN, 1);
OUT_RING (chan, nv50_prim(mode));
- switch (indexSize) {
- case 1:
- ret = nv50_draw_elements_inline_u08(nv50, map, start, count);
- break;
- case 2:
- ret = nv50_draw_elements_inline_u16(nv50, map, start, count);
- break;
- case 4:
- ret = nv50_draw_elements_inline_u32(nv50, map, start, count);
- break;
- default:
- assert(0);
- ret = FALSE;
- break;
- }
+
+ nv50_draw_elements_inline(nv50, map, indexSize, start, count);
+
BEGIN_RING(chan, tesla, NV50TCL_VERTEX_END, 1);
OUT_RING (chan, 0);
pipe_buffer_unmap(pscreen, indexBuffer);
-
- /* XXX: what to do if ret != TRUE? Flush and retry?
- */
- assert(ret);
}
static INLINE boolean
struct nouveau_stateobj *so;
struct nouveau_grobj *tesla = nv50->screen->tesla;
struct nouveau_bo *bo = nouveau_bo(vb->buffer);
- float *v;
+ float v[4];
int ret;
- enum pipe_format pf = ve->src_format;
- const struct util_format_description *desc;
-
- desc = util_format_description(pf);
- assert(desc);
-
- if ((desc->channel[0].type != UTIL_FORMAT_TYPE_FLOAT) ||
- util_format_get_component_bits(pf, UTIL_FORMAT_COLORSPACE_RGB, 0) != 32)
- return FALSE;
ret = nouveau_bo_map(bo, NOUVEAU_BO_RD);
if (ret)
return FALSE;
- v = (float *)(bo->map + (vb->buffer_offset + ve->src_offset));
+ util_format_read_4f(ve->src_format, v, 0, (uint8_t *)bo->map +
+ (vb->buffer_offset + ve->src_offset), 0,
+ 0, 0, 1, 1);
so = *pso;
if (!so)
*pso = so = so_new(nv50->vtxelt_nr, nv50->vtxelt_nr * 4, 0);
}
so_method(vtxbuf, tesla, NV50TCL_VERTEX_ARRAY_FORMAT(i), 3);
- so_data (vtxbuf, 0x20000000 | vb->stride);
+ so_data (vtxbuf, 0x20000000 |
+ (ve->instance_divisor ? 0 : vb->stride));
so_reloc (vtxbuf, bo, vb->buffer_offset +
ve->src_offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_GART |
NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
projects / mesa.git / blobdiff