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path: root/src/gallium/drivers/r600/r600_buffer.c
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Diffstat (limited to 'src/gallium/drivers/r600/r600_buffer.c')
-rw-r--r--src/gallium/drivers/r600/r600_buffer.c183
1 files changed, 144 insertions, 39 deletions
diff --git a/src/gallium/drivers/r600/r600_buffer.c b/src/gallium/drivers/r600/r600_buffer.c
index a38c013e167..dc3fc812e1a 100644
--- a/src/gallium/drivers/r600/r600_buffer.c
+++ b/src/gallium/drivers/r600/r600_buffer.c
@@ -29,6 +29,7 @@
#include <util/u_math.h>
#include <util/u_inlines.h>
#include <util/u_memory.h>
+#include <util/u_upload_mgr.h>
#include "state_tracker/drm_driver.h"
#include "r600_screen.h"
#include "r600_context.h"
@@ -67,66 +68,69 @@ struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
const struct pipe_resource *templ)
{
struct r600_screen *rscreen = r600_screen(screen);
- struct r600_resource *rbuffer;
+ struct r600_resource_buffer *rbuffer;
struct radeon_ws_bo *bo;
/* XXX We probably want a different alignment for buffers and textures. */
unsigned alignment = 4096;
- rbuffer = CALLOC_STRUCT(r600_resource);
+ rbuffer = CALLOC_STRUCT(r600_resource_buffer);
if (rbuffer == NULL)
return NULL;
- rbuffer->base.b = *templ;
- pipe_reference_init(&rbuffer->base.b.reference, 1);
- rbuffer->base.b.screen = screen;
- rbuffer->base.vtbl = &r600_buffer_vtbl;
- rbuffer->size = rbuffer->base.b.width0;
- rbuffer->domain = r600_domain_from_usage(rbuffer->base.b.bind);
- bo = radeon_ws_bo(rscreen->rw, rbuffer->base.b.width0, alignment, rbuffer->base.b.bind);
+ rbuffer->magic = R600_BUFFER_MAGIC;
+ rbuffer->user_buffer = NULL;
+ rbuffer->num_ranges = 0;
+ rbuffer->r.base.b = *templ;
+ pipe_reference_init(&rbuffer->r.base.b.reference, 1);
+ rbuffer->r.base.b.screen = screen;
+ rbuffer->r.base.vtbl = &r600_buffer_vtbl;
+ rbuffer->r.size = rbuffer->r.base.b.width0;
+ rbuffer->r.domain = r600_domain_from_usage(rbuffer->r.base.b.bind);
+ bo = radeon_ws_bo(rscreen->rw, rbuffer->r.base.b.width0, alignment, rbuffer->r.base.b.bind);
if (bo == NULL) {
FREE(rbuffer);
return NULL;
}
- rbuffer->bo = bo;
- return &rbuffer->base.b;
+ rbuffer->r.bo = bo;
+ return &rbuffer->r.base.b;
}
struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
void *ptr, unsigned bytes,
unsigned bind)
{
- struct r600_resource *rbuffer;
- struct r600_screen *rscreen = r600_screen(screen);
- struct pipe_resource templ;
- void *data;
-
- memset(&templ, 0, sizeof(struct pipe_resource));
- templ.target = PIPE_BUFFER;
- templ.format = PIPE_FORMAT_R8_UNORM;
- templ.usage = PIPE_USAGE_IMMUTABLE;
- templ.bind = bind;
- templ.width0 = bytes;
- templ.height0 = 1;
- templ.depth0 = 1;
-
- rbuffer = (struct r600_resource*)r600_buffer_create(screen, &templ);
- if (rbuffer == NULL) {
+ struct r600_resource_buffer *rbuffer;
+
+ rbuffer = CALLOC_STRUCT(r600_resource_buffer);
+ if (rbuffer == NULL)
return NULL;
- }
- data = radeon_ws_bo_map(rscreen->rw, rbuffer->bo, 0, NULL);
- memcpy(data, ptr, bytes);
- radeon_ws_bo_unmap(rscreen->rw, rbuffer->bo);
- return &rbuffer->base.b;
+
+ rbuffer->magic = R600_BUFFER_MAGIC;
+ pipe_reference_init(&rbuffer->r.base.b.reference, 1);
+ rbuffer->r.base.vtbl = &r600_buffer_vtbl;
+ rbuffer->r.base.b.screen = screen;
+ rbuffer->r.base.b.target = PIPE_BUFFER;
+ rbuffer->r.base.b.format = PIPE_FORMAT_R8_UNORM;
+ rbuffer->r.base.b.usage = PIPE_USAGE_IMMUTABLE;
+ rbuffer->r.base.b.bind = bind;
+ rbuffer->r.base.b.width0 = bytes;
+ rbuffer->r.base.b.height0 = 1;
+ rbuffer->r.base.b.depth0 = 1;
+ rbuffer->r.base.b.flags = 0;
+ rbuffer->num_ranges = 0;
+ rbuffer->r.bo = NULL;
+ rbuffer->user_buffer = ptr;
+ return &rbuffer->r.base.b;
}
static void r600_buffer_destroy(struct pipe_screen *screen,
struct pipe_resource *buf)
{
- struct r600_resource *rbuffer = (struct r600_resource*)buf;
+ struct r600_resource_buffer *rbuffer = r600_buffer(buf);
struct r600_screen *rscreen = r600_screen(screen);
- if (rbuffer->bo) {
- radeon_ws_bo_reference(rscreen->rw, &rbuffer->bo, NULL);
+ if (rbuffer->r.bo) {
+ radeon_ws_bo_reference(rscreen->rw, &rbuffer->r.bo, NULL);
}
FREE(rbuffer);
}
@@ -134,18 +138,40 @@ static void r600_buffer_destroy(struct pipe_screen *screen,
static void *r600_buffer_transfer_map(struct pipe_context *pipe,
struct pipe_transfer *transfer)
{
- struct r600_resource *rbuffer = (struct r600_resource*)transfer->resource;
+ struct r600_context *rctx = r600_context(pipe);
+ struct r600_resource_buffer *rbuffer = r600_buffer(transfer->resource);
struct r600_screen *rscreen = r600_screen(pipe->screen);
int write = 0;
uint8_t *data;
+ int i;
+ boolean flush = FALSE;
+
+ if (rbuffer->user_buffer)
+ return (uint8_t*)rbuffer->user_buffer + transfer->box.x;
+ if (transfer->usage & PIPE_TRANSFER_DISCARD) {
+ for (i = 0; i < rbuffer->num_ranges; i++) {
+ if ((transfer->box.x >= rbuffer->ranges[i].start) &&
+ (transfer->box.x < rbuffer->ranges[i].end))
+ flush = TRUE;
+
+ if (flush) {
+ radeon_ws_bo_reference(rscreen->rw, &rbuffer->r.bo, NULL);
+ rbuffer->num_ranges = 0;
+ rbuffer->r.bo = radeon_ws_bo(rscreen->rw,
+ rbuffer->r.base.b.width0, 0,
+ rbuffer->r.base.b.bind);
+ break;
+ }
+ }
+ }
if (transfer->usage & PIPE_TRANSFER_DONTBLOCK) {
/* FIXME */
}
if (transfer->usage & PIPE_TRANSFER_WRITE) {
write = 1;
}
- data = radeon_ws_bo_map(rscreen->rw, rbuffer->bo, transfer->usage, r600_context(pipe));
+ data = radeon_ws_bo_map(rscreen->rw, rbuffer->r.bo, transfer->usage, rctx);
if (!data)
return NULL;
@@ -155,16 +181,39 @@ static void *r600_buffer_transfer_map(struct pipe_context *pipe,
static void r600_buffer_transfer_unmap(struct pipe_context *pipe,
struct pipe_transfer *transfer)
{
- struct r600_resource *rbuffer = (struct r600_resource*)transfer->resource;
+ struct r600_resource_buffer *rbuffer = r600_buffer(transfer->resource);
struct r600_screen *rscreen = r600_screen(pipe->screen);
- radeon_ws_bo_unmap(rscreen->rw, rbuffer->bo);
+ if (rbuffer->r.bo)
+ radeon_ws_bo_unmap(rscreen->rw, rbuffer->r.bo);
}
static void r600_buffer_transfer_flush_region(struct pipe_context *pipe,
struct pipe_transfer *transfer,
const struct pipe_box *box)
{
+ struct r600_resource_buffer *rbuffer = r600_buffer(transfer->resource);
+ unsigned i;
+ unsigned offset = transfer->box.x + box->x;
+ unsigned length = box->width;
+
+ assert(box->x + box->width <= transfer->box.width);
+
+ if (rbuffer->user_buffer)
+ return;
+
+ /* mark the range as used */
+ for(i = 0; i < rbuffer->num_ranges; ++i) {
+ if(offset <= rbuffer->ranges[i].end && rbuffer->ranges[i].start <= (offset+box->width)) {
+ rbuffer->ranges[i].start = MIN2(rbuffer->ranges[i].start, offset);
+ rbuffer->ranges[i].end = MAX2(rbuffer->ranges[i].end, (offset+length));
+ return;
+ }
+ }
+
+ rbuffer->ranges[rbuffer->num_ranges].start = offset;
+ rbuffer->ranges[rbuffer->num_ranges].end = offset+length;
+ rbuffer->num_ranges++;
}
unsigned r600_buffer_is_referenced_by_cs(struct pipe_context *context,
@@ -213,3 +262,59 @@ struct u_resource_vtbl r600_buffer_vtbl =
r600_buffer_transfer_unmap, /* transfer_unmap */
u_default_transfer_inline_write /* transfer_inline_write */
};
+
+int r600_upload_index_buffer(struct r600_context *rctx,
+ struct r600_draw *draw)
+{
+ struct pipe_resource *upload_buffer = NULL;
+ unsigned index_offset = draw->index_buffer_offset;
+ int ret = 0;
+
+ if (r600_buffer_is_user_buffer(draw->index_buffer)) {
+ ret = u_upload_buffer(rctx->upload_ib,
+ index_offset,
+ draw->count * draw->index_size,
+ draw->index_buffer,
+ &index_offset,
+ &upload_buffer);
+ if (ret) {
+ goto done;
+ }
+ draw->index_buffer_offset = index_offset;
+ draw->index_buffer = upload_buffer;
+ }
+
+done:
+ return ret;
+}
+
+int r600_upload_user_buffers(struct r600_context *rctx)
+{
+ enum pipe_error ret = PIPE_OK;
+ int i, nr;
+
+ nr = rctx->vertex_elements->count;
+
+ for (i = 0; i < nr; i++) {
+ struct pipe_vertex_buffer *vb =
+ &rctx->vertex_buffer[rctx->vertex_elements->elements[i].vertex_buffer_index];
+
+ if (r600_buffer_is_user_buffer(vb->buffer)) {
+ struct pipe_resource *upload_buffer = NULL;
+ unsigned offset = 0; /*vb->buffer_offset * 4;*/
+ unsigned size = vb->buffer->width0;
+ unsigned upload_offset;
+ ret = u_upload_buffer(rctx->upload_vb,
+ offset, size,
+ vb->buffer,
+ &upload_offset, &upload_buffer);
+ if (ret)
+ return ret;
+
+ pipe_resource_reference(&vb->buffer, NULL);
+ vb->buffer = upload_buffer;
+ vb->buffer_offset = upload_offset;
+ }
+ }
+ return ret;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 21:21:48 +0000