struct svga_buffer *sbuf,
unsigned bind_flags)
{
+ enum pipe_error ret = PIPE_OK;
+
assert(!sbuf->user);
if (!sbuf->handle) {
sbuf->key.flags = SVGA3D_SURFACE_TRANSFER_FROM_BUFFER;
}
+ if (sbuf->b.b.flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT) {
+ /* This surface can be mapped persistently. We use
+ * coherent memory to avoid implementing memory barriers for
+ * persistent non-coherent memory for now.
+ */
+ sbuf->key.coherent = 1;
+ }
+
sbuf->key.size.width = sbuf->b.b.width0;
sbuf->key.size.height = 1;
sbuf->key.size.depth = 1;
sbuf->key.numMipLevels = 1;
sbuf->key.cachable = 1;
sbuf->key.arraySize = 1;
+ sbuf->key.sampleCount = 0;
SVGA_DBG(DEBUG_DMA, "surface_create for buffer sz %d\n",
sbuf->b.b.width0);
SVGA_DBG(DEBUG_DMA, " --> got sid %p sz %d (buffer)\n",
sbuf->handle, sbuf->b.b.width0);
+
+ /* Add the new surface to the buffer surface list */
+ ret = svga_buffer_add_host_surface(sbuf, sbuf->handle, &sbuf->key,
+ bind_flags);
}
+ return ret;
+}
+
+
+/**
+ * Recreates a host surface with the new bind flags.
+ */
+enum pipe_error
+svga_buffer_recreate_host_surface(struct svga_context *svga,
+ struct svga_buffer *sbuf,
+ unsigned bind_flags)
+{
+ enum pipe_error ret = PIPE_OK;
+ struct svga_winsys_surface *old_handle = sbuf->handle;
+
+ assert(sbuf->bind_flags != bind_flags);
+ assert(old_handle);
+
+ sbuf->handle = NULL;
+
+ /* Create a new resource with the requested bind_flags */
+ ret = svga_buffer_create_host_surface(svga_screen(svga->pipe.screen),
+ sbuf, bind_flags);
+ if (ret == PIPE_OK) {
+ /* Copy the surface data */
+ assert(sbuf->handle);
+ ret = SVGA3D_vgpu10_BufferCopy(svga->swc, old_handle, sbuf->handle,
+ 0, 0, sbuf->b.b.width0);
+ if (ret != PIPE_OK) {
+ svga_context_flush(svga, NULL);
+ ret = SVGA3D_vgpu10_BufferCopy(svga->swc, old_handle, sbuf->handle,
+ 0, 0, sbuf->b.b.width0);
+ assert(ret == PIPE_OK);
+ }
+ }
+
+ /* Set the new bind flags for this buffer resource */
+ sbuf->bind_flags = bind_flags;
+
+ return ret;
+}
+
+
+/**
+ * Returns TRUE if the surface bind flags is compatible with the new bind flags.
+ */
+static boolean
+compatible_bind_flags(unsigned bind_flags,
+ unsigned tobind_flags)
+{
+ if ((bind_flags & tobind_flags) == tobind_flags)
+ return TRUE;
+ else if ((bind_flags|tobind_flags) & PIPE_BIND_CONSTANT_BUFFER)
+ return FALSE;
+ else
+ return TRUE;
+}
+
+
+/**
+ * Returns a buffer surface from the surface list
+ * that has the requested bind flags or its existing bind flags
+ * can be promoted to include the new bind flags.
+ */
+static struct svga_buffer_surface *
+svga_buffer_get_host_surface(struct svga_buffer *sbuf,
+ unsigned bind_flags)
+{
+ struct svga_buffer_surface *bufsurf;
+
+ LIST_FOR_EACH_ENTRY(bufsurf, &sbuf->surfaces, list) {
+ if (compatible_bind_flags(bufsurf->bind_flags, bind_flags))
+ return bufsurf;
+ }
+ return NULL;
+}
+
+
+/**
+ * Adds the host surface to the buffer surface list.
+ */
+enum pipe_error
+svga_buffer_add_host_surface(struct svga_buffer *sbuf,
+ struct svga_winsys_surface *handle,
+ struct svga_host_surface_cache_key *key,
+ unsigned bind_flags)
+{
+ struct svga_buffer_surface *bufsurf;
+
+ bufsurf = CALLOC_STRUCT(svga_buffer_surface);
+ if (!bufsurf)
+ return PIPE_ERROR_OUT_OF_MEMORY;
+
+ bufsurf->bind_flags = bind_flags;
+ bufsurf->handle = handle;
+ bufsurf->key = *key;
+
+ /* add the surface to the surface list */
+ LIST_ADD(&bufsurf->list, &sbuf->surfaces);
+
+ /* Set the new bind flags for this buffer resource */
+ sbuf->bind_flags = bind_flags;
+
return PIPE_OK;
}
+/**
+ * Start using the specified surface for this buffer resource.
+ */
+void
+svga_buffer_bind_host_surface(struct svga_context *svga,
+ struct svga_buffer *sbuf,
+ struct svga_buffer_surface *bufsurf)
+{
+ enum pipe_error ret;
+
+ /* Update the to-bind surface */
+ assert(bufsurf->handle);
+ assert(sbuf->handle);
+
+ /* If we are switching from stream output to other buffer,
+ * make sure to copy the buffer content.
+ */
+ if (sbuf->bind_flags & PIPE_BIND_STREAM_OUTPUT) {
+ ret = SVGA3D_vgpu10_BufferCopy(svga->swc, sbuf->handle, bufsurf->handle,
+ 0, 0, sbuf->b.b.width0);
+ if (ret != PIPE_OK) {
+ svga_context_flush(svga, NULL);
+ ret = SVGA3D_vgpu10_BufferCopy(svga->swc, sbuf->handle, bufsurf->handle,
+ 0, 0, sbuf->b.b.width0);
+ assert(ret == PIPE_OK);
+ }
+ }
+
+ /* Set this surface as the current one */
+ sbuf->handle = bufsurf->handle;
+ sbuf->key = bufsurf->key;
+ sbuf->bind_flags = bufsurf->bind_flags;
+}
+
+
+/**
+ * Prepare a host surface that can be used as indicated in the
+ * tobind_flags. If the existing host surface is not created
+ * with the necessary binding flags and if the new bind flags can be
+ * combined with the existing bind flags, then we will recreate a
+ * new surface with the combined bind flags. Otherwise, we will create
+ * a surface for that incompatible bind flags.
+ * For example, if a stream output buffer is reused as a constant buffer,
+ * since constant buffer surface cannot be bound as a stream output surface,
+ * two surfaces will be created, one for stream output,
+ * and another one for constant buffer.
+ */
+enum pipe_error
+svga_buffer_validate_host_surface(struct svga_context *svga,
+ struct svga_buffer *sbuf,
+ unsigned tobind_flags)
+{
+ struct svga_buffer_surface *bufsurf;
+ enum pipe_error ret = PIPE_OK;
+
+ /* Flush any pending upload first */
+ svga_buffer_upload_flush(svga, sbuf);
+
+ /* First check from the cached buffer surface list to see if there is
+ * already a buffer surface that has the requested bind flags, or
+ * surface with compatible bind flags that can be promoted.
+ */
+ bufsurf = svga_buffer_get_host_surface(sbuf, tobind_flags);
+
+ if (bufsurf) {
+ if ((bufsurf->bind_flags & tobind_flags) == tobind_flags) {
+ /* there is a surface with the requested bind flags */
+ svga_buffer_bind_host_surface(svga, sbuf, bufsurf);
+ } else {
+
+ /* Recreate a host surface with the combined bind flags */
+ ret = svga_buffer_recreate_host_surface(svga, sbuf,
+ bufsurf->bind_flags |
+ tobind_flags);
+
+ /* Destroy the old surface */
+ svga_screen_surface_destroy(svga_screen(sbuf->b.b.screen),
+ &bufsurf->key, &bufsurf->handle);
+
+ LIST_DEL(&bufsurf->list);
+ FREE(bufsurf);
+ }
+ } else {
+ /* Need to create a new surface if the bind flags are incompatible,
+ * such as constant buffer surface & stream output surface.
+ */
+ ret = svga_buffer_recreate_host_surface(svga, sbuf,
+ tobind_flags);
+ }
+ return ret;
+}
+
+
void
svga_buffer_destroy_host_surface(struct svga_screen *ss,
struct svga_buffer *sbuf)
{
- if (sbuf->handle) {
+ struct svga_buffer_surface *bufsurf, *next;
+
+ LIST_FOR_EACH_ENTRY_SAFE(bufsurf, next, &sbuf->surfaces, list) {
SVGA_DBG(DEBUG_DMA, " ungrab sid %p sz %d\n",
- sbuf->handle, sbuf->b.b.width0);
- svga_screen_surface_destroy(ss, &sbuf->key, &sbuf->handle);
+ bufsurf->handle, sbuf->b.b.width0);
+ svga_screen_surface_destroy(ss, &bufsurf->key, &bufsurf->handle);
+ FREE(bufsurf);
}
}
*/
static enum pipe_error
svga_buffer_upload_gb_command(struct svga_context *svga,
- struct svga_buffer *sbuf)
+ struct svga_buffer *sbuf)
{
struct svga_winsys_context *swc = svga->swc;
SVGA3dCmdUpdateGBImage *update_cmd;
struct pipe_resource *dummy;
unsigned i;
+ if (swc->force_coherent || sbuf->key.coherent)
+ return PIPE_OK;
+
assert(svga_have_gb_objects(svga));
assert(numBoxes);
assert(sbuf->dma.updates == NULL);
SVGA_3D_CMD_INVALIDATE_GB_IMAGE,
total_commands_size, 1 + numBoxes);
if (!invalidate_cmd)
- return PIPE_ERROR_OUT_OF_MEMORY;
+ return PIPE_ERROR_OUT_OF_MEMORY;
cicmd = container_of(invalidate_cmd, cicmd, body);
cicmd->header.size = sizeof(*invalidate_cmd);
- swc->surface_relocation(swc, &invalidate_cmd->image.sid, NULL, sbuf->handle,
+ swc->surface_relocation(swc, &invalidate_cmd->image.sid, NULL,
+ sbuf->handle,
(SVGA_RELOC_WRITE |
SVGA_RELOC_INTERNAL |
SVGA_RELOC_DMA));
SVGA_3D_CMD_UPDATE_GB_IMAGE,
total_commands_size, numBoxes);
if (!update_cmd)
- return PIPE_ERROR_OUT_OF_MEMORY;
+ return PIPE_ERROR_OUT_OF_MEMORY;
/* The whole_update_command is a SVGA3dCmdHeader plus the
* SVGA3dCmdUpdateGBImage command.
/* Init the first UPDATE_GB_IMAGE command */
whole_update_cmd->header.size = sizeof(*update_cmd);
swc->surface_relocation(swc, &update_cmd->image.sid, NULL, sbuf->handle,
- SVGA_RELOC_WRITE | SVGA_RELOC_INTERNAL);
+ SVGA_RELOC_WRITE | SVGA_RELOC_INTERNAL);
update_cmd->image.face = 0;
update_cmd->image.mipmap = 0;
* with the final ranges.
*/
void
-svga_buffer_upload_flush(struct svga_context *svga,
- struct svga_buffer *sbuf)
+svga_buffer_upload_flush(struct svga_context *svga, struct svga_buffer *sbuf)
{
unsigned i;
struct pipe_resource *dummy;
- if (!sbuf->dma.pending) {
+ if (!sbuf->dma.pending || svga->swc->force_coherent ||
+ sbuf->key.coherent) {
//debug_printf("no dma pending on buffer\n");
return;
}
*/
if (svga_have_gb_objects(svga)) {
struct svga_3d_update_gb_image *update = sbuf->dma.updates;
+
assert(update);
for (i = 0; i < sbuf->map.num_ranges; ++i, ++update) {
assert(map);
assert(!retry);
if (!map) {
- mtx_unlock(&ss->swc_mutex);
+ mtx_unlock(&ss->swc_mutex);
svga_buffer_destroy_hw_storage(ss, sbuf);
return PIPE_ERROR;
}
memcpy((uint8_t *) map + start, (uint8_t *) sbuf->swbuf + start, len);
}
+ if (svga->swc->force_coherent || sbuf->key.coherent)
+ sbuf->map.num_ranges = 0;
+
svga_buffer_hw_storage_unmap(svga, sbuf);
/* This user/malloc buffer is now indistinguishable from a gpu buffer */
* if there are mapped ranges and the data is currently in a malloc'ed buffer.
*/
struct svga_winsys_surface *
-svga_buffer_handle(struct svga_context *svga, struct pipe_resource *buf)
+svga_buffer_handle(struct svga_context *svga, struct pipe_resource *buf,
+ unsigned tobind_flags)
{
struct pipe_screen *screen = svga->pipe.screen;
struct svga_screen *ss = svga_screen(screen);
assert(!sbuf->user);
- if (!sbuf->handle) {
+ if (sbuf->handle) {
+ if ((sbuf->bind_flags & tobind_flags) != tobind_flags) {
+ /* If the allocated resource's bind flags do not include the
+ * requested bind flags, validate the host surface.
+ */
+ ret = svga_buffer_validate_host_surface(svga, sbuf, tobind_flags);
+ if (ret != PIPE_OK)
+ return NULL;
+ }
+ } else {
+ /* If there is no resource handle yet, then combine the buffer bind
+ * flags and the tobind_flags if they are compatible.
+ * If not, just use the tobind_flags for creating the resource handle.
+ */
+ if (compatible_bind_flags(sbuf->bind_flags, tobind_flags))
+ sbuf->bind_flags = sbuf->bind_flags | tobind_flags;
+ else
+ sbuf->bind_flags = tobind_flags;
+
+ assert((sbuf->bind_flags & tobind_flags) == tobind_flags);
+
/* This call will set sbuf->handle */
if (svga_have_gb_objects(svga)) {
- ret = svga_buffer_update_hw(svga, sbuf, sbuf->bind_flags);
+ ret = svga_buffer_update_hw(svga, sbuf, sbuf->bind_flags);
} else {
- ret = svga_buffer_create_host_surface(ss, sbuf, sbuf->bind_flags);
+ ret = svga_buffer_create_host_surface(ss, sbuf, sbuf->bind_flags);
}
if (ret != PIPE_OK)
- return NULL;
+ return NULL;
}
assert(sbuf->handle);
+ if (svga->swc->force_coherent || sbuf->key.coherent)
+ return sbuf->handle;
if (sbuf->map.num_ranges) {
if (!sbuf->dma.pending) {
}
-
void
svga_context_flush_buffers(struct svga_context *svga)
{
projects / mesa.git / blobdiff