#include "util/u_vbuf.h"
#include "util/u_dump.h"
-#include "util/u_format.h"
+#include "util/format/u_format.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_upload_mgr.h"
struct u_vbuf {
struct u_vbuf_caps caps;
+ bool has_signed_vb_offset;
struct pipe_context *pipe;
struct translate_cache *translate_cache;
struct cso_cache *cso_cache;
- struct u_upload_mgr *uploader;
/* This is what was set in set_vertex_buffers.
* May contain user buffers. */
uint32_t enabled_vb_mask;
/* Saved vertex buffer. */
- unsigned aux_vertex_buffer_slot;
- struct pipe_vertex_buffer aux_vertex_buffer_saved;
+ struct pipe_vertex_buffer vertex_buffer0_saved;
/* Vertex buffers for the driver.
* There are usually no user buffers. */
uint32_t dirty_real_vb_mask; /* which buffers are dirty since the last
call of set_vertex_buffers */
- /* The index buffer. */
- struct pipe_index_buffer index_buffer;
-
/* Vertex elements. */
struct u_vbuf_elements *ve, *ve_saved;
{ PIPE_FORMAT_R8G8B8A8_SSCALED, PIPE_FORMAT_R32G32B32A32_FLOAT },
};
-boolean u_vbuf_get_caps(struct pipe_screen *screen, struct u_vbuf_caps *caps)
+boolean u_vbuf_get_caps(struct pipe_screen *screen, struct u_vbuf_caps *caps,
+ unsigned flags)
{
unsigned i;
boolean fallback = FALSE;
for (i = 0; i < ARRAY_SIZE(vbuf_format_fallbacks); i++) {
enum pipe_format format = vbuf_format_fallbacks[i].from;
- if (!screen->is_format_supported(screen, format, PIPE_BUFFER, 0,
+ if (!screen->is_format_supported(screen, format, PIPE_BUFFER, 0, 0,
PIPE_BIND_VERTEX_BUFFER)) {
caps->format_translation[format] = vbuf_format_fallbacks[i].to;
fallback = TRUE;
if (!caps->buffer_offset_unaligned ||
!caps->buffer_stride_unaligned ||
!caps->velem_src_offset_unaligned ||
- !caps->user_vertex_buffers) {
+ (!(flags & U_VBUF_FLAG_NO_USER_VBOS) && !caps->user_vertex_buffers)) {
fallback = TRUE;
}
}
struct u_vbuf *
-u_vbuf_create(struct pipe_context *pipe,
- struct u_vbuf_caps *caps, unsigned aux_vertex_buffer_index)
+u_vbuf_create(struct pipe_context *pipe, struct u_vbuf_caps *caps)
{
struct u_vbuf *mgr = CALLOC_STRUCT(u_vbuf);
mgr->caps = *caps;
- mgr->aux_vertex_buffer_slot = aux_vertex_buffer_index;
mgr->pipe = pipe;
mgr->cso_cache = cso_cache_create();
mgr->translate_cache = translate_cache_create();
memset(mgr->fallback_vbs, ~0, sizeof(mgr->fallback_vbs));
- mgr->uploader = u_upload_create(pipe, 1024 * 1024,
- PIPE_BIND_VERTEX_BUFFER,
- PIPE_USAGE_STREAM);
+ mgr->has_signed_vb_offset =
+ pipe->screen->get_param(pipe->screen,
+ PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET);
return mgr;
}
{
struct pipe_screen *screen = mgr->pipe->screen;
unsigned i;
- unsigned num_vb = screen->get_shader_param(screen, PIPE_SHADER_VERTEX,
- PIPE_SHADER_CAP_MAX_INPUTS);
-
- mgr->pipe->set_index_buffer(mgr->pipe, NULL);
- pipe_resource_reference(&mgr->index_buffer.buffer, NULL);
+ const unsigned num_vb = screen->get_shader_param(screen, PIPE_SHADER_VERTEX,
+ PIPE_SHADER_CAP_MAX_INPUTS);
mgr->pipe->set_vertex_buffers(mgr->pipe, 0, num_vb, NULL);
- for (i = 0; i < PIPE_MAX_ATTRIBS; i++) {
- pipe_resource_reference(&mgr->vertex_buffer[i].buffer, NULL);
- }
- for (i = 0; i < PIPE_MAX_ATTRIBS; i++) {
- pipe_resource_reference(&mgr->real_vertex_buffer[i].buffer, NULL);
- }
- pipe_resource_reference(&mgr->aux_vertex_buffer_saved.buffer, NULL);
+ for (i = 0; i < PIPE_MAX_ATTRIBS; i++)
+ pipe_vertex_buffer_unreference(&mgr->vertex_buffer[i]);
+ for (i = 0; i < PIPE_MAX_ATTRIBS; i++)
+ pipe_vertex_buffer_unreference(&mgr->real_vertex_buffer[i]);
+
+ pipe_vertex_buffer_unreference(&mgr->vertex_buffer0_saved);
translate_cache_destroy(mgr->translate_cache);
- u_upload_destroy(mgr->uploader);
cso_cache_delete(mgr->cso_cache);
FREE(mgr);
}
static enum pipe_error
u_vbuf_translate_buffers(struct u_vbuf *mgr, struct translate_key *key,
+ const struct pipe_draw_info *info,
unsigned vb_mask, unsigned out_vb,
int start_vertex, unsigned num_vertices,
- int start_index, unsigned num_indices, int min_index,
- boolean unroll_indices)
+ int min_index, boolean unroll_indices)
{
struct translate *tr;
struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS] = {0};
vb = &mgr->vertex_buffer[i];
offset = vb->buffer_offset + vb->stride * start_vertex;
- if (vb->user_buffer) {
- map = (uint8_t*)vb->user_buffer + offset;
+ if (vb->is_user_buffer) {
+ map = (uint8_t*)vb->buffer.user + offset;
} else {
unsigned size = vb->stride ? num_vertices * vb->stride
: sizeof(double)*4;
- if (offset+size > vb->buffer->width0) {
- size = vb->buffer->width0 - offset;
+ if (!vb->buffer.resource)
+ continue;
+
+ if (offset + size > vb->buffer.resource->width0) {
+ /* Don't try to map past end of buffer. This often happens when
+ * we're translating an attribute that's at offset > 0 from the
+ * start of the vertex. If we'd subtract attrib's offset from
+ * the size, this probably wouldn't happen.
+ */
+ size = vb->buffer.resource->width0 - offset;
+
+ /* Also adjust num_vertices. A common user error is to call
+ * glDrawRangeElements() with incorrect 'end' argument. The 'end
+ * value should be the max index value, but people often
+ * accidentally add one to this value. This adjustment avoids
+ * crashing (by reading past the end of a hardware buffer mapping)
+ * when people do that.
+ */
+ num_vertices = (size + vb->stride - 1) / vb->stride;
}
- map = pipe_buffer_map_range(mgr->pipe, vb->buffer, offset, size,
+ map = pipe_buffer_map_range(mgr->pipe, vb->buffer.resource, offset, size,
PIPE_TRANSFER_READ, &vb_transfer[i]);
}
map -= (ptrdiff_t)vb->stride * min_index;
}
- tr->set_buffer(tr, i, map, vb->stride, ~0);
+ tr->set_buffer(tr, i, map, vb->stride, info->max_index);
}
/* Translate. */
if (unroll_indices) {
- struct pipe_index_buffer *ib = &mgr->index_buffer;
struct pipe_transfer *transfer = NULL;
- unsigned offset = ib->offset + start_index * ib->index_size;
+ const unsigned offset = info->start * info->index_size;
uint8_t *map;
- assert((ib->buffer || ib->user_buffer) && ib->index_size);
-
/* Create and map the output buffer. */
- u_upload_alloc(mgr->uploader, 0,
- key->output_stride * num_indices, 4,
+ u_upload_alloc(mgr->pipe->stream_uploader, 0,
+ key->output_stride * info->count, 4,
&out_offset, &out_buffer,
(void**)&out_map);
if (!out_buffer)
return PIPE_ERROR_OUT_OF_MEMORY;
- if (ib->user_buffer) {
- map = (uint8_t*)ib->user_buffer + offset;
+ if (info->has_user_indices) {
+ map = (uint8_t*)info->index.user + offset;
} else {
- map = pipe_buffer_map_range(mgr->pipe, ib->buffer, offset,
- num_indices * ib->index_size,
+ map = pipe_buffer_map_range(mgr->pipe, info->index.resource, offset,
+ info->count * info->index_size,
PIPE_TRANSFER_READ, &transfer);
}
- switch (ib->index_size) {
+ switch (info->index_size) {
case 4:
- tr->run_elts(tr, (unsigned*)map, num_indices, 0, 0, out_map);
+ tr->run_elts(tr, (unsigned*)map, info->count, 0, 0, out_map);
break;
case 2:
- tr->run_elts16(tr, (uint16_t*)map, num_indices, 0, 0, out_map);
+ tr->run_elts16(tr, (uint16_t*)map, info->count, 0, 0, out_map);
break;
case 1:
- tr->run_elts8(tr, map, num_indices, 0, 0, out_map);
+ tr->run_elts8(tr, map, info->count, 0, 0, out_map);
break;
}
}
} else {
/* Create and map the output buffer. */
- u_upload_alloc(mgr->uploader,
- key->output_stride * start_vertex,
+ u_upload_alloc(mgr->pipe->stream_uploader,
+ mgr->has_signed_vb_offset ?
+ 0 : key->output_stride * start_vertex,
key->output_stride * num_vertices, 4,
&out_offset, &out_buffer,
(void**)&out_map);
mgr->real_vertex_buffer[out_vb].stride = key->output_stride;
/* Move the buffer reference. */
- pipe_resource_reference(
- &mgr->real_vertex_buffer[out_vb].buffer, NULL);
- mgr->real_vertex_buffer[out_vb].buffer = out_buffer;
+ pipe_vertex_buffer_unreference(&mgr->real_vertex_buffer[out_vb]);
+ mgr->real_vertex_buffer[out_vb].buffer.resource = out_buffer;
+ mgr->real_vertex_buffer[out_vb].is_user_buffer = false;
return PIPE_OK;
}
static boolean
u_vbuf_translate_begin(struct u_vbuf *mgr,
+ const struct pipe_draw_info *info,
int start_vertex, unsigned num_vertices,
- int start_instance, unsigned num_instances,
- int start_index, unsigned num_indices, int min_index,
- boolean unroll_indices)
+ int min_index, boolean unroll_indices)
{
unsigned mask[VB_NUM] = {0};
struct translate_key key[VB_NUM];
unsigned elem_index[VB_NUM][PIPE_MAX_ATTRIBS]; /* ... into key.elements */
unsigned i, type;
- unsigned incompatible_vb_mask = mgr->incompatible_vb_mask &
- mgr->ve->used_vb_mask;
+ const unsigned incompatible_vb_mask = mgr->incompatible_vb_mask &
+ mgr->ve->used_vb_mask;
- int start[VB_NUM] = {
- start_vertex, /* VERTEX */
- start_instance, /* INSTANCE */
- 0 /* CONST */
+ const int start[VB_NUM] = {
+ start_vertex, /* VERTEX */
+ info->start_instance, /* INSTANCE */
+ 0 /* CONST */
};
- unsigned num[VB_NUM] = {
- num_vertices, /* VERTEX */
- num_instances, /* INSTANCE */
- 1 /* CONST */
+ const unsigned num[VB_NUM] = {
+ num_vertices, /* VERTEX */
+ info->instance_count, /* INSTANCE */
+ 1 /* CONST */
};
memset(key, 0, sizeof(key));
for (type = 0; type < VB_NUM; type++) {
if (key[type].nr_elements) {
enum pipe_error err;
- err = u_vbuf_translate_buffers(mgr, &key[type], mask[type],
+ err = u_vbuf_translate_buffers(mgr, &key[type], info, mask[type],
mgr->fallback_vbs[type],
- start[type], num[type],
- start_index, num_indices, min_index,
+ start[type], num[type], min_index,
unroll_indices && type == VB_VERTEX);
if (err != PIPE_OK)
return FALSE;
for (i = 0; i < VB_NUM; i++) {
unsigned vb = mgr->fallback_vbs[i];
if (vb != ~0u) {
- pipe_resource_reference(&mgr->real_vertex_buffer[vb].buffer, NULL);
+ pipe_resource_reference(&mgr->real_vertex_buffer[vb].buffer.resource, NULL);
mgr->fallback_vbs[i] = ~0;
/* This will cause the buffer to be unbound in the driver later. */
uint32_t incompatible_vb_mask = 0;
/* which buffers have a non-zero stride */
uint32_t nonzero_stride_vb_mask = 0;
- uint32_t mask = ~(((1ull << count) - 1) << start_slot);
+ const uint32_t mask = ~(((1ull << count) - 1) << start_slot);
/* Zero out the bits we are going to rewrite completely. */
mgr->user_vb_mask &= mask;
for (i = 0; i < count; i++) {
unsigned dst_index = start_slot + i;
- pipe_resource_reference(&mgr->vertex_buffer[dst_index].buffer, NULL);
- pipe_resource_reference(&mgr->real_vertex_buffer[dst_index].buffer,
- NULL);
+ pipe_vertex_buffer_unreference(&mgr->vertex_buffer[dst_index]);
+ pipe_vertex_buffer_unreference(&mgr->real_vertex_buffer[dst_index]);
}
pipe->set_vertex_buffers(pipe, start_slot, count, NULL);
struct pipe_vertex_buffer *orig_vb = &mgr->vertex_buffer[dst_index];
struct pipe_vertex_buffer *real_vb = &mgr->real_vertex_buffer[dst_index];
- if (!vb->buffer && !vb->user_buffer) {
- pipe_resource_reference(&orig_vb->buffer, NULL);
- pipe_resource_reference(&real_vb->buffer, NULL);
- real_vb->user_buffer = NULL;
+ if (!vb->buffer.resource) {
+ pipe_vertex_buffer_unreference(orig_vb);
+ pipe_vertex_buffer_unreference(real_vb);
continue;
}
- pipe_resource_reference(&orig_vb->buffer, vb->buffer);
- orig_vb->user_buffer = vb->user_buffer;
-
- real_vb->buffer_offset = orig_vb->buffer_offset = vb->buffer_offset;
- real_vb->stride = orig_vb->stride = vb->stride;
+ pipe_vertex_buffer_reference(orig_vb, vb);
if (vb->stride) {
nonzero_stride_vb_mask |= 1 << dst_index;
if ((!mgr->caps.buffer_offset_unaligned && vb->buffer_offset % 4 != 0) ||
(!mgr->caps.buffer_stride_unaligned && vb->stride % 4 != 0)) {
incompatible_vb_mask |= 1 << dst_index;
- pipe_resource_reference(&real_vb->buffer, NULL);
+ real_vb->buffer_offset = vb->buffer_offset;
+ real_vb->stride = vb->stride;
+ pipe_vertex_buffer_unreference(real_vb);
+ real_vb->is_user_buffer = false;
continue;
}
- if (!mgr->caps.user_vertex_buffers && vb->user_buffer) {
+ if (!mgr->caps.user_vertex_buffers && vb->is_user_buffer) {
user_vb_mask |= 1 << dst_index;
- pipe_resource_reference(&real_vb->buffer, NULL);
+ real_vb->buffer_offset = vb->buffer_offset;
+ real_vb->stride = vb->stride;
+ pipe_vertex_buffer_unreference(real_vb);
+ real_vb->is_user_buffer = false;
continue;
}
- pipe_resource_reference(&real_vb->buffer, vb->buffer);
- real_vb->user_buffer = vb->user_buffer;
+ pipe_vertex_buffer_reference(real_vb, vb);
}
mgr->user_vb_mask |= user_vb_mask;
mgr->dirty_real_vb_mask |= ~mask;
}
-void u_vbuf_set_index_buffer(struct u_vbuf *mgr,
- const struct pipe_index_buffer *ib)
-{
- struct pipe_context *pipe = mgr->pipe;
-
- if (ib) {
- assert(ib->offset % ib->index_size == 0);
- pipe_resource_reference(&mgr->index_buffer.buffer, ib->buffer);
- memcpy(&mgr->index_buffer, ib, sizeof(*ib));
- } else {
- pipe_resource_reference(&mgr->index_buffer.buffer, NULL);
- }
-
- pipe->set_index_buffer(pipe, ib);
-}
-
static enum pipe_error
u_vbuf_upload_buffers(struct u_vbuf *mgr,
int start_vertex, unsigned num_vertices,
{
unsigned i;
unsigned nr_velems = mgr->ve->count;
- struct pipe_vertex_element *velems =
+ const struct pipe_vertex_element *velems =
mgr->using_translate ? mgr->fallback_velems : mgr->ve->ve;
unsigned start_offset[PIPE_MAX_ATTRIBS];
unsigned end_offset[PIPE_MAX_ATTRIBS];
/* Determine how much data needs to be uploaded. */
for (i = 0; i < nr_velems; i++) {
- struct pipe_vertex_element *velem = &velems[i];
+ const struct pipe_vertex_element *velem = &velems[i];
unsigned index = velem->vertex_buffer_index;
struct pipe_vertex_buffer *vb = &mgr->vertex_buffer[index];
unsigned instance_div, first, size, index_bit;
continue;
}
- if (!vb->user_buffer) {
+ if (!vb->is_user_buffer) {
continue;
}
size = mgr->ve->src_format_size[i];
} else if (instance_div) {
/* Per-instance attrib. */
- unsigned count = (num_instances + instance_div - 1) / instance_div;
+
+ /* Figure out how many instances we'll render given instance_div. We
+ * can't use the typical div_round_up() pattern because the CTS uses
+ * instance_div = ~0 for a test, which overflows div_round_up()'s
+ * addition.
+ */
+ unsigned count = num_instances / instance_div;
+ if (count * instance_div != num_instances)
+ count++;
+
first += vb->stride * start_instance;
size = vb->stride * (count - 1) + mgr->ve->src_format_size[i];
} else {
assert(start < end);
real_vb = &mgr->real_vertex_buffer[i];
- ptr = mgr->vertex_buffer[i].user_buffer;
+ ptr = mgr->vertex_buffer[i].buffer.user;
- u_upload_data(mgr->uploader, start, end - start, 4, ptr + start,
- &real_vb->buffer_offset, &real_vb->buffer);
- if (!real_vb->buffer)
+ u_upload_data(mgr->pipe->stream_uploader,
+ mgr->has_signed_vb_offset ? 0 : start,
+ end - start, 4,
+ ptr + start, &real_vb->buffer_offset, &real_vb->buffer.resource);
+ if (!real_vb->buffer.resource)
return PIPE_ERROR_OUT_OF_MEMORY;
real_vb->buffer_offset -= start;
mgr->nonzero_stride_vb_mask)) != 0;
}
-static void u_vbuf_get_minmax_index(struct pipe_context *pipe,
- struct pipe_index_buffer *ib,
- boolean primitive_restart,
- unsigned restart_index,
- unsigned start, unsigned count,
- int *out_min_index,
- int *out_max_index)
+static void
+u_vbuf_get_minmax_index_mapped(const struct pipe_draw_info *info,
+ const void *indices, unsigned *out_min_index,
+ unsigned *out_max_index)
{
- struct pipe_transfer *transfer = NULL;
- const void *indices;
- unsigned i;
-
- if (ib->user_buffer) {
- indices = (uint8_t*)ib->user_buffer +
- ib->offset + start * ib->index_size;
- } else {
- indices = pipe_buffer_map_range(pipe, ib->buffer,
- ib->offset + start * ib->index_size,
- count * ib->index_size,
- PIPE_TRANSFER_READ, &transfer);
- }
+ unsigned max = 0;
+ unsigned min = ~0u;
- switch (ib->index_size) {
+ switch (info->index_size) {
case 4: {
const unsigned *ui_indices = (const unsigned*)indices;
- unsigned max_ui = 0;
- unsigned min_ui = ~0U;
- if (primitive_restart) {
- for (i = 0; i < count; i++) {
- if (ui_indices[i] != restart_index) {
- if (ui_indices[i] > max_ui) max_ui = ui_indices[i];
- if (ui_indices[i] < min_ui) min_ui = ui_indices[i];
+ if (info->primitive_restart) {
+ for (unsigned i = 0; i < info->count; i++) {
+ if (ui_indices[i] != info->restart_index) {
+ if (ui_indices[i] > max) max = ui_indices[i];
+ if (ui_indices[i] < min) min = ui_indices[i];
}
}
}
else {
- for (i = 0; i < count; i++) {
- if (ui_indices[i] > max_ui) max_ui = ui_indices[i];
- if (ui_indices[i] < min_ui) min_ui = ui_indices[i];
+ for (unsigned i = 0; i < info->count; i++) {
+ if (ui_indices[i] > max) max = ui_indices[i];
+ if (ui_indices[i] < min) min = ui_indices[i];
}
}
- *out_min_index = min_ui;
- *out_max_index = max_ui;
break;
}
case 2: {
const unsigned short *us_indices = (const unsigned short*)indices;
- unsigned max_us = 0;
- unsigned min_us = ~0U;
- if (primitive_restart) {
- for (i = 0; i < count; i++) {
- if (us_indices[i] != restart_index) {
- if (us_indices[i] > max_us) max_us = us_indices[i];
- if (us_indices[i] < min_us) min_us = us_indices[i];
+ if (info->primitive_restart) {
+ for (unsigned i = 0; i < info->count; i++) {
+ if (us_indices[i] != info->restart_index) {
+ if (us_indices[i] > max) max = us_indices[i];
+ if (us_indices[i] < min) min = us_indices[i];
}
}
}
else {
- for (i = 0; i < count; i++) {
- if (us_indices[i] > max_us) max_us = us_indices[i];
- if (us_indices[i] < min_us) min_us = us_indices[i];
+ for (unsigned i = 0; i < info->count; i++) {
+ if (us_indices[i] > max) max = us_indices[i];
+ if (us_indices[i] < min) min = us_indices[i];
}
}
- *out_min_index = min_us;
- *out_max_index = max_us;
break;
}
case 1: {
const unsigned char *ub_indices = (const unsigned char*)indices;
- unsigned max_ub = 0;
- unsigned min_ub = ~0U;
- if (primitive_restart) {
- for (i = 0; i < count; i++) {
- if (ub_indices[i] != restart_index) {
- if (ub_indices[i] > max_ub) max_ub = ub_indices[i];
- if (ub_indices[i] < min_ub) min_ub = ub_indices[i];
+ if (info->primitive_restart) {
+ for (unsigned i = 0; i < info->count; i++) {
+ if (ub_indices[i] != info->restart_index) {
+ if (ub_indices[i] > max) max = ub_indices[i];
+ if (ub_indices[i] < min) min = ub_indices[i];
}
}
}
else {
- for (i = 0; i < count; i++) {
- if (ub_indices[i] > max_ub) max_ub = ub_indices[i];
- if (ub_indices[i] < min_ub) min_ub = ub_indices[i];
+ for (unsigned i = 0; i < info->count; i++) {
+ if (ub_indices[i] > max) max = ub_indices[i];
+ if (ub_indices[i] < min) min = ub_indices[i];
}
}
- *out_min_index = min_ub;
- *out_max_index = max_ub;
break;
}
default:
assert(0);
- *out_min_index = 0;
- *out_max_index = 0;
}
+ *out_min_index = min;
+ *out_max_index = max;
+}
+
+void u_vbuf_get_minmax_index(struct pipe_context *pipe,
+ const struct pipe_draw_info *info,
+ unsigned *out_min_index, unsigned *out_max_index)
+{
+ struct pipe_transfer *transfer = NULL;
+ const void *indices;
+
+ if (info->has_user_indices) {
+ indices = (uint8_t*)info->index.user +
+ info->start * info->index_size;
+ } else {
+ indices = pipe_buffer_map_range(pipe, info->index.resource,
+ info->start * info->index_size,
+ info->count * info->index_size,
+ PIPE_TRANSFER_READ, &transfer);
+ }
+
+ u_vbuf_get_minmax_index_mapped(info, indices, out_min_index, out_max_index);
+
if (transfer) {
pipe_buffer_unmap(pipe, transfer);
}
mgr->dirty_real_vb_mask = 0;
}
+static void
+u_vbuf_split_indexed_multidraw(struct u_vbuf *mgr, struct pipe_draw_info *info,
+ unsigned *indirect_data, unsigned stride,
+ unsigned draw_count)
+{
+ assert(info->index_size);
+ info->indirect = NULL;
+
+ for (unsigned i = 0; i < draw_count; i++) {
+ unsigned offset = i * stride / 4;
+
+ info->count = indirect_data[offset + 0];
+ info->instance_count = indirect_data[offset + 1];
+
+ if (!info->count || !info->instance_count)
+ continue;
+
+ info->start = indirect_data[offset + 2];
+ info->index_bias = indirect_data[offset + 3];
+ info->start_instance = indirect_data[offset + 4];
+
+ u_vbuf_draw_vbo(mgr, info);
+ }
+}
+
void u_vbuf_draw_vbo(struct u_vbuf *mgr, const struct pipe_draw_info *info)
{
struct pipe_context *pipe = mgr->pipe;
- int start_vertex, min_index;
+ int start_vertex;
+ unsigned min_index;
unsigned num_vertices;
boolean unroll_indices = FALSE;
- uint32_t used_vb_mask = mgr->ve->used_vb_mask;
+ const uint32_t used_vb_mask = mgr->ve->used_vb_mask;
uint32_t user_vb_mask = mgr->user_vb_mask & used_vb_mask;
- uint32_t incompatible_vb_mask = mgr->incompatible_vb_mask & used_vb_mask;
+ const uint32_t incompatible_vb_mask =
+ mgr->incompatible_vb_mask & used_vb_mask;
struct pipe_draw_info new_info;
/* Normal draw. No fallback and no user buffers. */
new_info = *info;
- /* Fallback. We need to know all the parameters. */
+ /* Handle indirect (multi)draws. */
if (new_info.indirect) {
- struct pipe_transfer *transfer = NULL;
- int *data;
-
- if (new_info.indexed) {
- data = pipe_buffer_map_range(pipe, new_info.indirect,
- new_info.indirect_offset, 20,
- PIPE_TRANSFER_READ, &transfer);
- new_info.index_bias = data[3];
- new_info.start_instance = data[4];
- }
- else {
- data = pipe_buffer_map_range(pipe, new_info.indirect,
- new_info.indirect_offset, 16,
- PIPE_TRANSFER_READ, &transfer);
- new_info.start_instance = data[3];
+ const struct pipe_draw_indirect_info *indirect = new_info.indirect;
+ unsigned draw_count = 0;
+
+ /* Get the number of draws. */
+ if (indirect->indirect_draw_count) {
+ pipe_buffer_read(pipe, indirect->indirect_draw_count,
+ indirect->indirect_draw_count_offset,
+ 4, &draw_count);
+ } else {
+ draw_count = indirect->draw_count;
}
- new_info.count = data[0];
- new_info.instance_count = data[1];
- new_info.start = data[2];
- pipe_buffer_unmap(pipe, transfer);
- new_info.indirect = NULL;
+ if (!draw_count)
+ return;
+
+ unsigned data_size = (draw_count - 1) * indirect->stride +
+ (new_info.index_size ? 20 : 16);
+ unsigned *data = malloc(data_size);
+ if (!data)
+ return; /* report an error? */
+
+ /* Read the used buffer range only once, because the read can be
+ * uncached.
+ */
+ pipe_buffer_read(pipe, indirect->buffer, indirect->offset, data_size,
+ data);
+
+ if (info->index_size) {
+ /* Indexed multidraw. */
+ unsigned index_bias0 = data[3];
+ bool index_bias_same = true;
+
+ /* If we invoke the translate path, we have to split the multidraw. */
+ if (incompatible_vb_mask ||
+ mgr->ve->incompatible_elem_mask) {
+ u_vbuf_split_indexed_multidraw(mgr, &new_info, data,
+ indirect->stride, draw_count);
+ free(data);
+ return;
+ }
+
+ /* See if index_bias is the same for all draws. */
+ for (unsigned i = 1; i < draw_count; i++) {
+ if (data[i * indirect->stride / 4 + 3] != index_bias0) {
+ index_bias_same = false;
+ break;
+ }
+ }
+
+ /* Split the multidraw if index_bias is different. */
+ if (!index_bias_same) {
+ u_vbuf_split_indexed_multidraw(mgr, &new_info, data,
+ indirect->stride, draw_count);
+ free(data);
+ return;
+ }
+
+ /* If we don't need to use the translate path and index_bias is
+ * the same, we can process the multidraw with the time complexity
+ * equal to 1 draw call (except for the index range computation).
+ * We only need to compute the index range covering all draw calls
+ * of the multidraw.
+ *
+ * The driver will not look at these values because indirect != NULL.
+ * These values determine the user buffer bounds to upload.
+ */
+ new_info.index_bias = index_bias0;
+ new_info.min_index = ~0u;
+ new_info.max_index = 0;
+ new_info.start_instance = ~0u;
+ unsigned end_instance = 0;
+
+ struct pipe_transfer *transfer = NULL;
+ const uint8_t *indices;
+
+ if (info->has_user_indices) {
+ indices = (uint8_t*)info->index.user;
+ } else {
+ indices = (uint8_t*)pipe_buffer_map(pipe, info->index.resource,
+ PIPE_TRANSFER_READ, &transfer);
+ }
+
+ for (unsigned i = 0; i < draw_count; i++) {
+ unsigned offset = i * indirect->stride / 4;
+ unsigned start = data[offset + 2];
+ unsigned count = data[offset + 0];
+ unsigned start_instance = data[offset + 4];
+ unsigned instance_count = data[offset + 1];
+
+ if (!count || !instance_count)
+ continue;
+
+ /* Update the ranges of instances. */
+ new_info.start_instance = MIN2(new_info.start_instance,
+ start_instance);
+ end_instance = MAX2(end_instance, start_instance + instance_count);
+
+ /* Update the index range. */
+ unsigned min, max;
+ new_info.count = count; /* only used by get_minmax_index */
+ u_vbuf_get_minmax_index_mapped(&new_info,
+ indices +
+ new_info.index_size * start,
+ &min, &max);
+
+ new_info.min_index = MIN2(new_info.min_index, min);
+ new_info.max_index = MAX2(new_info.max_index, max);
+ }
+ free(data);
+
+ if (transfer)
+ pipe_buffer_unmap(pipe, transfer);
+
+ /* Set the final instance count. */
+ new_info.instance_count = end_instance - new_info.start_instance;
+
+ if (new_info.start_instance == ~0u || !new_info.instance_count)
+ return;
+ } else {
+ /* Non-indexed multidraw.
+ *
+ * Keep the draw call indirect and compute minimums & maximums,
+ * which will determine the user buffer bounds to upload, but
+ * the driver will not look at these values because indirect != NULL.
+ *
+ * This efficiently processes the multidraw with the time complexity
+ * equal to 1 draw call.
+ */
+ new_info.start = ~0u;
+ new_info.start_instance = ~0u;
+ unsigned end_vertex = 0;
+ unsigned end_instance = 0;
+
+ for (unsigned i = 0; i < draw_count; i++) {
+ unsigned offset = i * indirect->stride / 4;
+ unsigned start = data[offset + 2];
+ unsigned count = data[offset + 0];
+ unsigned start_instance = data[offset + 3];
+ unsigned instance_count = data[offset + 1];
+
+ new_info.start = MIN2(new_info.start, start);
+ new_info.start_instance = MIN2(new_info.start_instance,
+ start_instance);
+
+ end_vertex = MAX2(end_vertex, start + count);
+ end_instance = MAX2(end_instance, start_instance + instance_count);
+ }
+ free(data);
+
+ /* Set the final counts. */
+ new_info.count = end_vertex - new_info.start;
+ new_info.instance_count = end_instance - new_info.start_instance;
+
+ if (new_info.start == ~0u || !new_info.count || !new_info.instance_count)
+ return;
+ }
}
- if (new_info.indexed) {
+ if (new_info.index_size) {
/* See if anything needs to be done for per-vertex attribs. */
if (u_vbuf_need_minmax_index(mgr)) {
- int max_index;
+ unsigned max_index;
if (new_info.max_index != ~0u) {
min_index = new_info.min_index;
max_index = new_info.max_index;
} else {
- u_vbuf_get_minmax_index(mgr->pipe, &mgr->index_buffer,
- new_info.primitive_restart,
- new_info.restart_index, new_info.start,
- new_info.count, &min_index, &max_index);
+ u_vbuf_get_minmax_index(mgr->pipe, &new_info,
+ &min_index, &max_index);
}
assert(min_index <= max_index);
* We would have to break this drawing operation into several ones. */
/* Use some heuristic to see if unrolling indices improves
* performance. */
- if (!new_info.primitive_restart &&
+ if (!info->indirect &&
+ !new_info.primitive_restart &&
num_vertices > new_info.count*2 &&
num_vertices - new_info.count > 32 &&
!u_vbuf_mapping_vertex_buffer_blocks(mgr)) {
if (unroll_indices ||
incompatible_vb_mask ||
mgr->ve->incompatible_elem_mask) {
- if (!u_vbuf_translate_begin(mgr, start_vertex, num_vertices,
- new_info.start_instance,
- new_info.instance_count, new_info.start,
- new_info.count, min_index, unroll_indices)) {
+ if (!u_vbuf_translate_begin(mgr, &new_info, start_vertex, num_vertices,
+ min_index, unroll_indices)) {
debug_warn_once("u_vbuf_translate_begin() failed");
return;
}
if (unroll_indices) {
- new_info.indexed = FALSE;
+ new_info.index_size = 0;
new_info.index_bias = 0;
new_info.min_index = 0;
new_info.max_index = new_info.count - 1;
}
*/
- u_upload_unmap(mgr->uploader);
+ u_upload_unmap(pipe->stream_uploader);
u_vbuf_set_driver_vertex_buffers(mgr);
pipe->draw_vbo(pipe, &new_info);
mgr->ve_saved = NULL;
}
-void u_vbuf_save_aux_vertex_buffer_slot(struct u_vbuf *mgr)
+void u_vbuf_save_vertex_buffer0(struct u_vbuf *mgr)
{
- struct pipe_vertex_buffer *vb =
- &mgr->vertex_buffer[mgr->aux_vertex_buffer_slot];
-
- pipe_resource_reference(&mgr->aux_vertex_buffer_saved.buffer, vb->buffer);
- memcpy(&mgr->aux_vertex_buffer_saved, vb, sizeof(*vb));
+ pipe_vertex_buffer_reference(&mgr->vertex_buffer0_saved,
+ &mgr->vertex_buffer[0]);
}
-void u_vbuf_restore_aux_vertex_buffer_slot(struct u_vbuf *mgr)
+void u_vbuf_restore_vertex_buffer0(struct u_vbuf *mgr)
{
- u_vbuf_set_vertex_buffers(mgr, mgr->aux_vertex_buffer_slot, 1,
- &mgr->aux_vertex_buffer_saved);
- pipe_resource_reference(&mgr->aux_vertex_buffer_saved.buffer, NULL);
+ u_vbuf_set_vertex_buffers(mgr, 0, 1, &mgr->vertex_buffer0_saved);
+ pipe_vertex_buffer_unreference(&mgr->vertex_buffer0_saved);
}