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path: root/mesalib/src/gallium/auxiliary/util/u_vbuf_mgr.c
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Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_vbuf_mgr.c')
-rw-r--r--mesalib/src/gallium/auxiliary/util/u_vbuf_mgr.c276
1 files changed, 146 insertions, 130 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_vbuf_mgr.c b/mesalib/src/gallium/auxiliary/util/u_vbuf_mgr.c
index d9b39e528..6c2d1ed64 100644
--- a/mesalib/src/gallium/auxiliary/util/u_vbuf_mgr.c
+++ b/mesalib/src/gallium/auxiliary/util/u_vbuf_mgr.c
@@ -34,7 +34,7 @@
#include "translate/translate.h"
#include "translate/translate_cache.h"
-struct u_vbuf_mgr_elements {
+struct u_vbuf_elements {
unsigned count;
struct pipe_vertex_element ve[PIPE_MAX_ATTRIBS];
@@ -52,24 +52,22 @@ struct u_vbuf_mgr_elements {
boolean incompatible_layout;
};
-struct u_vbuf_mgr_priv {
+struct u_vbuf_priv {
struct u_vbuf_mgr b;
struct pipe_context *pipe;
struct translate_cache *translate_cache;
unsigned translate_vb_slot;
- struct u_vbuf_mgr_elements *ve;
+ struct u_vbuf_elements *ve;
void *saved_ve, *fallback_ve;
boolean ve_binding_lock;
- unsigned saved_buffer_offset[PIPE_MAX_ATTRIBS];
-
boolean any_user_vbs;
boolean incompatible_vb_layout;
};
-static void u_vbuf_mgr_init_format_caps(struct u_vbuf_mgr_priv *mgr)
+static void u_vbuf_init_format_caps(struct u_vbuf_priv *mgr)
{
struct pipe_screen *screen = mgr->pipe->screen;
@@ -99,13 +97,13 @@ static void u_vbuf_mgr_init_format_caps(struct u_vbuf_mgr_priv *mgr)
}
struct u_vbuf_mgr *
-u_vbuf_mgr_create(struct pipe_context *pipe,
- unsigned upload_buffer_size,
- unsigned upload_buffer_alignment,
- unsigned upload_buffer_bind,
- enum u_fetch_alignment fetch_alignment)
+u_vbuf_create(struct pipe_context *pipe,
+ unsigned upload_buffer_size,
+ unsigned upload_buffer_alignment,
+ unsigned upload_buffer_bind,
+ enum u_fetch_alignment fetch_alignment)
{
- struct u_vbuf_mgr_priv *mgr = CALLOC_STRUCT(u_vbuf_mgr_priv);
+ struct u_vbuf_priv *mgr = CALLOC_STRUCT(u_vbuf_priv);
mgr->pipe = pipe;
mgr->translate_cache = translate_cache_create();
@@ -117,19 +115,21 @@ u_vbuf_mgr_create(struct pipe_context *pipe,
mgr->b.caps.fetch_dword_unaligned =
fetch_alignment == U_VERTEX_FETCH_BYTE_ALIGNED;
- u_vbuf_mgr_init_format_caps(mgr);
+ u_vbuf_init_format_caps(mgr);
return &mgr->b;
}
-void u_vbuf_mgr_destroy(struct u_vbuf_mgr *mgrb)
+void u_vbuf_destroy(struct u_vbuf_mgr *mgrb)
{
- struct u_vbuf_mgr_priv *mgr = (struct u_vbuf_mgr_priv*)mgrb;
+ struct u_vbuf_priv *mgr = (struct u_vbuf_priv*)mgrb;
unsigned i;
- for (i = 0; i < mgr->b.nr_real_vertex_buffers; i++) {
+ for (i = 0; i < mgr->b.nr_vertex_buffers; i++) {
pipe_resource_reference(&mgr->b.vertex_buffer[i].buffer, NULL);
- pipe_resource_reference(&mgr->b.real_vertex_buffer[i], NULL);
+ }
+ for (i = 0; i < mgr->b.nr_real_vertex_buffers; i++) {
+ pipe_resource_reference(&mgr->b.real_vertex_buffer[i].buffer, NULL);
}
translate_cache_destroy(mgr->translate_cache);
@@ -138,8 +138,8 @@ void u_vbuf_mgr_destroy(struct u_vbuf_mgr *mgrb)
}
-static enum u_vbuf_return_flags
-u_vbuf_translate_begin(struct u_vbuf_mgr_priv *mgr,
+static void
+u_vbuf_translate_begin(struct u_vbuf_priv *mgr,
int min_index, int max_index)
{
struct translate_key key;
@@ -266,9 +266,9 @@ u_vbuf_translate_begin(struct u_vbuf_mgr_priv *mgr,
if (mgr->translate_vb_slot != ~0) {
/* Setup the new vertex buffer. */
pipe_resource_reference(
- &mgr->b.real_vertex_buffer[mgr->translate_vb_slot], out_buffer);
- mgr->b.vertex_buffer[mgr->translate_vb_slot].buffer_offset = out_offset;
- mgr->b.vertex_buffer[mgr->translate_vb_slot].stride = key.output_stride;
+ &mgr->b.real_vertex_buffer[mgr->translate_vb_slot].buffer, out_buffer);
+ mgr->b.real_vertex_buffer[mgr->translate_vb_slot].buffer_offset = out_offset;
+ mgr->b.real_vertex_buffer[mgr->translate_vb_slot].stride = key.output_stride;
/* Setup new vertex elements. */
for (i = 0; i < mgr->ve->count; i++) {
@@ -295,11 +295,9 @@ u_vbuf_translate_begin(struct u_vbuf_mgr_priv *mgr,
}
pipe_resource_reference(&out_buffer, NULL);
-
- return upload_flushed ? U_VBUF_UPLOAD_FLUSHED : 0;
}
-static void u_vbuf_translate_end(struct u_vbuf_mgr_priv *mgr)
+static void u_vbuf_translate_end(struct u_vbuf_priv *mgr)
{
if (mgr->fallback_ve == NULL) {
return;
@@ -312,7 +310,7 @@ static void u_vbuf_translate_end(struct u_vbuf_mgr_priv *mgr)
mgr->fallback_ve = NULL;
/* Delete the now-unused VBO. */
- pipe_resource_reference(&mgr->b.real_vertex_buffer[mgr->translate_vb_slot],
+ pipe_resource_reference(&mgr->b.real_vertex_buffer[mgr->translate_vb_slot].buffer,
NULL);
mgr->b.nr_real_vertex_buffers = mgr->b.nr_vertex_buffers;
}
@@ -320,15 +318,15 @@ static void u_vbuf_translate_end(struct u_vbuf_mgr_priv *mgr)
#define FORMAT_REPLACE(what, withwhat) \
case PIPE_FORMAT_##what: format = PIPE_FORMAT_##withwhat; break
-struct u_vbuf_mgr_elements *
-u_vbuf_mgr_create_vertex_elements(struct u_vbuf_mgr *mgrb,
- unsigned count,
- const struct pipe_vertex_element *attribs,
- struct pipe_vertex_element *native_attribs)
+struct u_vbuf_elements *
+u_vbuf_create_vertex_elements(struct u_vbuf_mgr *mgrb,
+ unsigned count,
+ const struct pipe_vertex_element *attribs,
+ struct pipe_vertex_element *native_attribs)
{
- struct u_vbuf_mgr_priv *mgr = (struct u_vbuf_mgr_priv*)mgrb;
+ struct u_vbuf_priv *mgr = (struct u_vbuf_priv*)mgrb;
unsigned i;
- struct u_vbuf_mgr_elements *ve = CALLOC_STRUCT(u_vbuf_mgr_elements);
+ struct u_vbuf_elements *ve = CALLOC_STRUCT(u_vbuf_elements);
ve->count = count;
@@ -424,11 +422,11 @@ u_vbuf_mgr_create_vertex_elements(struct u_vbuf_mgr *mgrb,
return ve;
}
-void u_vbuf_mgr_bind_vertex_elements(struct u_vbuf_mgr *mgrb,
- void *cso,
- struct u_vbuf_mgr_elements *ve)
+void u_vbuf_bind_vertex_elements(struct u_vbuf_mgr *mgrb,
+ void *cso,
+ struct u_vbuf_elements *ve)
{
- struct u_vbuf_mgr_priv *mgr = (struct u_vbuf_mgr_priv*)mgrb;
+ struct u_vbuf_priv *mgr = (struct u_vbuf_priv*)mgrb;
if (!cso) {
return;
@@ -440,17 +438,17 @@ void u_vbuf_mgr_bind_vertex_elements(struct u_vbuf_mgr *mgrb,
}
}
-void u_vbuf_mgr_destroy_vertex_elements(struct u_vbuf_mgr *mgr,
- struct u_vbuf_mgr_elements *ve)
+void u_vbuf_destroy_vertex_elements(struct u_vbuf_mgr *mgr,
+ struct u_vbuf_elements *ve)
{
FREE(ve);
}
-void u_vbuf_mgr_set_vertex_buffers(struct u_vbuf_mgr *mgrb,
- unsigned count,
- const struct pipe_vertex_buffer *bufs)
+void u_vbuf_set_vertex_buffers(struct u_vbuf_mgr *mgrb,
+ unsigned count,
+ const struct pipe_vertex_buffer *bufs)
{
- struct u_vbuf_mgr_priv *mgr = (struct u_vbuf_mgr_priv*)mgrb;
+ struct u_vbuf_priv *mgr = (struct u_vbuf_priv*)mgrb;
unsigned i;
mgr->any_user_vbs = FALSE;
@@ -473,8 +471,13 @@ void u_vbuf_mgr_set_vertex_buffers(struct u_vbuf_mgr *mgrb,
const struct pipe_vertex_buffer *vb = &bufs[i];
pipe_resource_reference(&mgr->b.vertex_buffer[i].buffer, vb->buffer);
- pipe_resource_reference(&mgr->b.real_vertex_buffer[i], NULL);
- mgr->saved_buffer_offset[i] = vb->buffer_offset;
+ pipe_resource_reference(&mgr->b.real_vertex_buffer[i].buffer, NULL);
+
+ mgr->b.real_vertex_buffer[i].buffer_offset =
+ mgr->b.vertex_buffer[i].buffer_offset = vb->buffer_offset;
+
+ mgr->b.real_vertex_buffer[i].stride =
+ mgr->b.vertex_buffer[i].stride = vb->stride;
if (!vb->buffer) {
continue;
@@ -485,79 +488,98 @@ void u_vbuf_mgr_set_vertex_buffers(struct u_vbuf_mgr *mgrb,
continue;
}
- pipe_resource_reference(&mgr->b.real_vertex_buffer[i], vb->buffer);
+ pipe_resource_reference(&mgr->b.real_vertex_buffer[i].buffer, vb->buffer);
}
- for (; i < mgr->b.nr_real_vertex_buffers; i++) {
+ for (i = count; i < mgr->b.nr_vertex_buffers; i++) {
pipe_resource_reference(&mgr->b.vertex_buffer[i].buffer, NULL);
- pipe_resource_reference(&mgr->b.real_vertex_buffer[i], NULL);
}
-
- memcpy(mgr->b.vertex_buffer, bufs,
- sizeof(struct pipe_vertex_buffer) * count);
+ for (i = count; i < mgr->b.nr_real_vertex_buffers; i++) {
+ pipe_resource_reference(&mgr->b.real_vertex_buffer[i].buffer, NULL);
+ }
mgr->b.nr_vertex_buffers = count;
mgr->b.nr_real_vertex_buffers = count;
}
-static enum u_vbuf_return_flags
-u_vbuf_upload_buffers(struct u_vbuf_mgr_priv *mgr,
+static void
+u_vbuf_upload_buffers(struct u_vbuf_priv *mgr,
int min_index, int max_index,
unsigned instance_count)
{
- unsigned i, nr = mgr->ve->count;
+ unsigned i;
unsigned count = max_index + 1 - min_index;
- boolean uploaded[PIPE_MAX_ATTRIBS] = {0};
- enum u_vbuf_return_flags retval = 0;
-
- for (i = 0; i < nr; i++) {
- unsigned index = mgr->ve->ve[i].vertex_buffer_index;
+ unsigned nr_velems = mgr->ve->count;
+ unsigned nr_vbufs = mgr->b.nr_vertex_buffers;
+ unsigned start_offset[PIPE_MAX_ATTRIBS];
+ unsigned end_offset[PIPE_MAX_ATTRIBS] = {0};
+
+ /* Determine how much data needs to be uploaded. */
+ for (i = 0; i < nr_velems; i++) {
+ struct pipe_vertex_element *velem = &mgr->ve->ve[i];
+ unsigned index = velem->vertex_buffer_index;
struct pipe_vertex_buffer *vb = &mgr->b.vertex_buffer[index];
+ unsigned instance_div, first, size;
- if (vb->buffer &&
- u_vbuf_resource(vb->buffer)->user_ptr &&
- !uploaded[index]) {
- unsigned first, size;
- boolean flushed;
- unsigned instance_div = mgr->ve->ve[i].instance_divisor;
-
- if (instance_div) {
- first = 0;
- size = vb->stride *
- ((instance_count + instance_div - 1) / instance_div);
- } else if (vb->stride) {
- first = vb->stride * min_index;
- size = vb->stride * count;
-
- /* Unusual case when stride is smaller than the format size.
- * XXX This won't work with interleaved arrays. */
- if (mgr->ve->native_format_size[i] > vb->stride)
- size += mgr->ve->native_format_size[i] - vb->stride;
- } else {
- first = 0;
- size = mgr->ve->native_format_size[i];
- }
+ assert(vb->buffer);
+
+ if (!u_vbuf_resource(vb->buffer)->user_ptr) {
+ continue;
+ }
- u_upload_data(mgr->b.uploader, first, size,
- u_vbuf_resource(vb->buffer)->user_ptr + first,
- &vb->buffer_offset,
- &mgr->b.real_vertex_buffer[index],
- &flushed);
+ instance_div = velem->instance_divisor;
+ first = vb->buffer_offset + velem->src_offset;
- vb->buffer_offset -= first;
+ if (!vb->stride) {
+ /* Constant attrib. */
+ size = mgr->ve->src_format_size[i];
+ } else if (instance_div) {
+ /* Per-instance attrib. */
+ unsigned count = (instance_count + instance_div - 1) / instance_div;
+ size = vb->stride * (count - 1) + mgr->ve->src_format_size[i];
+ } else {
+ /* Per-vertex attrib. */
+ first += vb->stride * min_index;
+ size = vb->stride * (count - 1) + mgr->ve->src_format_size[i];
+ }
- uploaded[index] = TRUE;
- if (flushed)
- retval |= U_VBUF_UPLOAD_FLUSHED;
+ /* Update offsets. */
+ if (!end_offset[index]) {
+ start_offset[index] = first;
+ end_offset[index] = first + size;
} else {
- assert(mgr->b.real_vertex_buffer[index]);
+ if (first < start_offset[index])
+ start_offset[index] = first;
+ if (first + size > end_offset[index])
+ end_offset[index] = first + size;
}
}
- return retval;
+ /* Upload buffers. */
+ for (i = 0; i < nr_vbufs; i++) {
+ unsigned start, end = end_offset[i];
+ boolean flushed;
+ struct pipe_vertex_buffer *real_vb;
+ uint8_t *ptr;
+
+ if (!end) {
+ continue;
+ }
+
+ start = start_offset[i];
+ assert(start < end);
+
+ real_vb = &mgr->b.real_vertex_buffer[i];
+ ptr = u_vbuf_resource(mgr->b.vertex_buffer[i].buffer)->user_ptr;
+
+ u_upload_data(mgr->b.uploader, start, end - start, ptr + start,
+ &real_vb->buffer_offset, &real_vb->buffer, &flushed);
+
+ real_vb->buffer_offset -= start;
+ }
}
-static void u_vbuf_mgr_compute_max_index(struct u_vbuf_mgr_priv *mgr)
+static void u_vbuf_compute_max_index(struct u_vbuf_priv *mgr)
{
unsigned i, nr = mgr->ve->count;
@@ -566,25 +588,26 @@ static void u_vbuf_mgr_compute_max_index(struct u_vbuf_mgr_priv *mgr)
for (i = 0; i < nr; i++) {
struct pipe_vertex_buffer *vb =
&mgr->b.vertex_buffer[mgr->ve->ve[i].vertex_buffer_index];
- int unused;
- unsigned max_index;
+ unsigned max_index, src_size, unused;
if (!vb->buffer ||
!vb->stride ||
- u_vbuf_resource(vb->buffer)->user_ptr) {
+ u_vbuf_resource(vb->buffer)->user_ptr ||
+ mgr->ve->ve[i].instance_divisor) {
continue;
}
- /* How many bytes is unused after the last vertex.
- * width0 may be "count*stride - unused" and we have to compensate
- * for that when dividing by stride. */
- unused = vb->stride -
- (mgr->ve->ve[i].src_offset + mgr->ve->src_format_size[i]);
+ src_size = mgr->ve->ve[i].src_offset + mgr->ve->src_format_size[i];
/* If src_offset is greater than stride (which means it's a buffer
* offset rather than a vertex offset)... */
- if (unused < 0) {
+ if (src_size >= vb->stride) {
unused = 0;
+ } else {
+ /* How many bytes is unused after the last vertex.
+ * width0 may be "count*stride - unused" and we have to compensate
+ * for that when dividing by stride. */
+ unused = vb->stride - src_size;
}
/* Compute the maximum index for this vertex element. */
@@ -597,50 +620,43 @@ static void u_vbuf_mgr_compute_max_index(struct u_vbuf_mgr_priv *mgr)
}
enum u_vbuf_return_flags
-u_vbuf_mgr_draw_begin(struct u_vbuf_mgr *mgrb,
- const struct pipe_draw_info *info)
+u_vbuf_draw_begin(struct u_vbuf_mgr *mgrb,
+ const struct pipe_draw_info *info)
{
- struct u_vbuf_mgr_priv *mgr = (struct u_vbuf_mgr_priv*)mgrb;
+ struct u_vbuf_priv *mgr = (struct u_vbuf_priv*)mgrb;
int min_index, max_index;
- enum u_vbuf_return_flags retval = 0;
- u_vbuf_mgr_compute_max_index(mgr);
+ u_vbuf_compute_max_index(mgr);
- min_index = info->min_index - info->index_bias;
- if (info->max_index == ~0) {
- max_index = mgr->b.max_index;
+ if (info->indexed) {
+ min_index = info->min_index;
+ if (info->max_index == ~0) {
+ max_index = mgr->b.max_index;
+ } else {
+ max_index = MIN2(info->max_index, mgr->b.max_index);
+ }
+ min_index += info->index_bias;
+ max_index += info->index_bias;
} else {
- max_index = MIN2(info->max_index - info->index_bias, mgr->b.max_index);
+ min_index = info->start;
+ max_index = info->start + info->count - 1;
}
/* Translate vertices with non-native layouts or formats. */
if (mgr->incompatible_vb_layout || mgr->ve->incompatible_layout) {
- retval |= u_vbuf_translate_begin(mgr, min_index, max_index);
-
- if (mgr->fallback_ve) {
- retval |= U_VBUF_BUFFERS_UPDATED;
- }
+ u_vbuf_translate_begin(mgr, min_index, max_index);
}
/* Upload user buffers. */
if (mgr->any_user_vbs) {
- retval |= u_vbuf_upload_buffers(mgr, min_index, max_index,
- info->instance_count);
- retval |= U_VBUF_BUFFERS_UPDATED;
+ u_vbuf_upload_buffers(mgr, min_index, max_index, info->instance_count);
}
- return retval;
+ return mgr->any_user_vbs || mgr->fallback_ve ? U_VBUF_BUFFERS_UPDATED : 0;
}
-void u_vbuf_mgr_draw_end(struct u_vbuf_mgr *mgrb)
+void u_vbuf_draw_end(struct u_vbuf_mgr *mgrb)
{
- struct u_vbuf_mgr_priv *mgr = (struct u_vbuf_mgr_priv*)mgrb;
- unsigned i;
-
- /* buffer offsets were modified in u_vbuf_upload_buffers */
- if (mgr->any_user_vbs) {
- for (i = 0; i < mgr->b.nr_vertex_buffers; i++)
- mgr->b.vertex_buffer[i].buffer_offset = mgr->saved_buffer_offset[i];
- }
+ struct u_vbuf_priv *mgr = (struct u_vbuf_priv*)mgrb;
if (mgr->fallback_ve) {
u_vbuf_translate_end(mgr);