}
static void
-copy_array_to_vbo_array( struct brw_context *brw,
- struct brw_vertex_element *element,
- struct brw_vertex_buffer *buffer,
- GLuint dst_stride)
+copy_array_to_vbo_array(struct brw_context *brw,
+ struct brw_vertex_element *element,
+ int count,
+ struct brw_vertex_buffer *buffer,
+ GLuint dst_stride)
{
- GLuint size = element->count * dst_stride;
+ GLuint size = count * dst_stride;
buffer->stride = dst_stride;
if (dst_stride == element->glarray->StrideB) {
&buffer->bo, &buffer->offset);
} else {
const unsigned char *src = element->glarray->Ptr;
- char *dst = intel_upload_map(&brw->intel, size, dst_stride);
+ char *map = intel_upload_map(&brw->intel, size, dst_stride);
+ char *dst = map;
int i;
- for (i = 0; i < element->count; i++) {
+ for (i = 0; i < count; i++) {
memcpy(dst, src, dst_stride);
src += element->glarray->StrideB;
dst += dst_stride;
}
- intel_upload_unmap(&brw->intel, dst, size, dst_stride,
+ intel_upload_unmap(&brw->intel, map, size, dst_stride,
&buffer->bo, &buffer->offset);
}
}
{
struct gl_context *ctx = &brw->intel.ctx;
struct intel_context *intel = intel_context(ctx);
- GLbitfield vs_inputs = brw->vs.prog_data->inputs_read;
+ GLbitfield vs_inputs = brw->vs.prog_data->inputs_read;
const unsigned char *ptr = NULL;
GLuint interleaved = 0, total_size = 0;
unsigned int min_index = brw->vb.min_index;
}
if (k == i) {
struct brw_vertex_buffer *buffer = &brw->vb.buffers[j];
+
/* Named buffer object: Just reference its contents directly. */
buffer->bo = intel_bufferobj_source(intel, intel_buffer,
&buffer->offset);
input->buffer = j++;
input->offset = 0;
}
- input->count = glarray->_MaxElement;
/* This is a common place to reach if the user mistakenly supplies
* a pointer in place of a VBO offset. If we just let it go through,
*/
assert(input->offset < brw->vb.buffers[input->buffer].bo->size);
} else {
- input->count = glarray->StrideB ? max_index + 1 : 1;
-
/* Queue the buffer object up to be uploaded in the next pass,
* when we've decided if we're doing interleaved or not.
*/
{
interleaved = 0;
}
- else if (total_size & (type_size -1))
+ else if ((uintptr_t)(glarray->Ptr - ptr) & (type_size -1))
{
/* enforce natural alignment (for doubles) */
interleaved = 0;
}
upload[nr_uploads++] = input;
+ total_size = ALIGN(total_size, type_size);
total_size += input->element_size;
}
}
+ /* If we need to upload all the arrays, then we can trim those arrays to
+ * only the used elements [min_index, max_index] so long as we adjust all
+ * the values used in the 3DPRIMITIVE i.e. by setting the vertex bias.
+ */
+ if (nr_uploads == brw->vb.nr_enabled) {
+ brw->vb.start_vertex_bias = min_index;
+ } else {
+ brw->vb.start_vertex_bias = 0;
+ min_index = 0;
+ }
+
/* Handle any arrays to be uploaded. */
if (nr_uploads > 1) {
if (interleaved && interleaved <= 2*total_size) {
/* All uploads are interleaved, so upload the arrays together as
* interleaved. First, upload the contents and set up upload[0].
*/
- copy_array_to_vbo_array(brw,
- upload[0], &brw->vb.buffers[j],
- interleaved);
+ copy_array_to_vbo_array(brw, upload[0], max_index - min_index + 1,
+ &brw->vb.buffers[j], interleaved);
for (i = 0; i < nr_uploads; i++) {
/* Then, just point upload[i] at upload[0]'s buffer. */
}
else if (total_size < 2048) {
/* Upload non-interleaved arrays into a single interleaved array */
- struct brw_vertex_buffer *buffer = &brw->vb.buffers[j];
- int count = upload[0]->count, offset;
+ struct brw_vertex_buffer *buffer;
+ int count = max_index - min_index + 1;
+ int offset;
char *map;
map = intel_upload_map(&brw->intel, total_size * count, total_size);
const unsigned char *src = upload[i]->glarray->Ptr;
int size = upload[i]->element_size;
int stride = upload[i]->glarray->StrideB;
- char *dst = map + offset;
+ char *dst;
int n;
+ offset = ALIGN(offset, get_size(upload[i]->glarray->Type));
+ dst = map + offset;
+ src += min_index * size;
+
for (n = 0; n < count; n++) {
memcpy(dst, src, size);
src += stride;
offset += size;
}
- intel_upload_unmap(&brw->intel, map, total_size * count, total_size,
+ assert(offset == total_size);
+ buffer = &brw->vb.buffers[j++];
+ intel_upload_unmap(&brw->intel, map, offset * count, offset,
&buffer->bo, &buffer->offset);
buffer->stride = offset;
- j++;
nr_uploads = 0;
}
}
/* Upload non-interleaved arrays */
for (i = 0; i < nr_uploads; i++) {
- copy_array_to_vbo_array(brw,
- upload[i], &brw->vb.buffers[j],
- upload[i]->element_size);
+ copy_array_to_vbo_array(brw, upload[i], max_index - min_index + 1,
+ &brw->vb.buffers[j], upload[i]->element_size);
upload[i]->buffer = j++;
+ upload[i]->offset = 0;
}
/* can we simply extend the current vb? */
- brw->vb.start_vertex_bias = 0;
if (j == brw->vb.nr_current_buffers) {
int delta = 0;
for (i = 0; i < j; i++) {
d = brw->vb.buffers[i].offset - brw->vb.current_buffers[i].offset;
if (delta == 0)
delta = d / brw->vb.current_buffers[i].stride;
- else if (delta * brw->vb.current_buffers[i].stride != d)
+ if (delta * brw->vb.current_buffers[i].stride != d)
break;
}
if (i == j) {
- brw->vb.start_vertex_bias = delta;
+ brw->vb.start_vertex_bias += delta;
while (--j >= 0)
drm_intel_bo_unreference(brw->vb.buffers[j].bo);
j = 0;
if (intel->gen >= 5) {
OUT_RELOC(buffer->bo, I915_GEM_DOMAIN_VERTEX, 0, buffer->bo->size - 1);
} else
- OUT_BATCH(0);
+ OUT_BATCH(buffer->bo->size / buffer->stride);
OUT_BATCH(0); /* Instance data step rate */
brw->vb.current_buffers[i].handle = buffer->bo->handle;
brw->vb.nr_current_buffers = i;
ADVANCE_BATCH();
}
- ADVANCE_BATCH();
BEGIN_BATCH(1 + brw->vb.nr_enabled * 2);
OUT_BATCH((CMD_VERTEX_ELEMENT << 16) | (2*brw->vb.nr_enabled - 1));