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authorBrian Paul <brianp@vmware.com>2010-01-22 12:17:02 -0700
committerBrian Paul <brianp@vmware.com>2010-01-22 12:17:02 -0700
commitcd8614b0287dc5a69725ec4ee0208fad61f7789e (patch)
tree3ee089b8384e7a60c5c3a3cc87f2a633bd724bbe /src/gallium/include
parent2b20b604277e3cdf7afb2431b50dbb05da12ff1c (diff)
parent64871747bb7b611ffe429fbf1724bd98ee25dd84 (diff)
Merge branch 'mesa_7_7_branch'
Conflicts: src/gallium/auxiliary/draw/draw_context.c src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c src/gallium/auxiliary/pipebuffer/Makefile src/gallium/auxiliary/pipebuffer/SConscript src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c src/gallium/auxiliary/tgsi/tgsi_scan.c src/gallium/drivers/i915/i915_surface.c src/gallium/drivers/i915/i915_texture.c src/gallium/drivers/llvmpipe/lp_setup.c src/gallium/drivers/llvmpipe/lp_tex_sample_c.c src/gallium/drivers/llvmpipe/lp_texture.c src/gallium/drivers/softpipe/sp_prim_vbuf.c src/gallium/state_trackers/xorg/xorg_dri2.c src/gallium/winsys/drm/intel/gem/intel_drm_api.c src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c src/gallium/winsys/drm/radeon/core/radeon_drm.c src/gallium/winsys/drm/vmware/core/vmw_screen_dri.c src/mesa/state_tracker/st_cb_clear.c
Diffstat (limited to 'src/gallium/include')
-rw-r--r--src/gallium/include/pipe/p_inlines.h41
-rw-r--r--src/gallium/include/state_tracker/drm_api.h5
2 files changed, 38 insertions, 8 deletions
diff --git a/src/gallium/include/pipe/p_inlines.h b/src/gallium/include/pipe/p_inlines.h
index 5fbd62a03d..72f5c1dc2a 100644
--- a/src/gallium/include/pipe/p_inlines.h
+++ b/src/gallium/include/pipe/p_inlines.h
@@ -63,13 +63,6 @@ pipe_buffer_map(struct pipe_screen *screen,
if(screen->buffer_map_range) {
unsigned offset = 0;
unsigned length = buf->size;
-
- /* XXX: Actually we should be using/detecting DISCARD
- * instead of assuming that WRITE implies discard */
- if((usage & PIPE_BUFFER_USAGE_CPU_WRITE) &&
- !(usage & PIPE_BUFFER_USAGE_DISCARD))
- usage |= PIPE_BUFFER_USAGE_CPU_READ;
-
return screen->buffer_map_range(screen, buf, offset, length, usage);
}
else
@@ -126,7 +119,39 @@ pipe_buffer_write(struct pipe_screen *screen,
map = pipe_buffer_map_range(screen, buf, offset, size,
PIPE_BUFFER_USAGE_CPU_WRITE |
- PIPE_BUFFER_USAGE_FLUSH_EXPLICIT);
+ PIPE_BUFFER_USAGE_FLUSH_EXPLICIT |
+ PIPE_BUFFER_USAGE_DISCARD);
+ assert(map);
+ if(map) {
+ memcpy((uint8_t *)map + offset, data, size);
+ pipe_buffer_flush_mapped_range(screen, buf, offset, size);
+ pipe_buffer_unmap(screen, buf);
+ }
+}
+
+/**
+ * Special case for writing non-overlapping ranges.
+ *
+ * We can avoid GPU/CPU synchronization when writing range that has never
+ * been written before.
+ */
+static INLINE void
+pipe_buffer_write_nooverlap(struct pipe_screen *screen,
+ struct pipe_buffer *buf,
+ unsigned offset, unsigned size,
+ const void *data)
+{
+ void *map;
+
+ assert(offset < buf->size);
+ assert(offset + size <= buf->size);
+ assert(size);
+
+ map = pipe_buffer_map_range(screen, buf, offset, size,
+ PIPE_BUFFER_USAGE_CPU_WRITE |
+ PIPE_BUFFER_USAGE_FLUSH_EXPLICIT |
+ PIPE_BUFFER_USAGE_DISCARD |
+ PIPE_BUFFER_USAGE_UNSYNCHRONIZED);
assert(map);
if(map) {
memcpy((uint8_t *)map + offset, data, size);
diff --git a/src/gallium/include/state_tracker/drm_api.h b/src/gallium/include/state_tracker/drm_api.h
index bb928928c9..b248a81880 100644
--- a/src/gallium/include/state_tracker/drm_api.h
+++ b/src/gallium/include/state_tracker/drm_api.h
@@ -31,6 +31,11 @@ struct drm_api
const char *name;
/**
+ * Kernel driver name, as accepted by drmOpenByName.
+ */
+ const char *driver_name;
+
+ /**
* Special buffer functions
*/
/*@{*/