A driver doesn't have to set _NEW_BUFFER_OBJECT if it doesn't reallocate
the buffer from core Mesa's point of view, which avoids unnecessary state
validation.
Gallium drivers can be asked to reallocate a buffer privately by setting
PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE.
st/mesa doesn't set _NEW_BUFFER_OBJECT if transfer_inline_write is used.
---
src/mesa/drivers/dri/intel/intel_buffer_objects.c | 2 ++
src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c | 4 +++-
src/mesa/drivers/dri/radeon/radeon_buffer_objects.c | 2 ++
src/mesa/main/bufferobj.c | 4 +++-
src/mesa/state_tracker/st_cb_bufferobjects.c | 2 ++
5 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
index e270db8..4499764 100644
--- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
@@ -128,6 +128,8 @@ intel_bufferobj_data(struct gl_context * ctx,
(void) target;
#endif
+ ctx->NewState |= _NEW_BUFFER_OBJECT;
+
intel_obj->Base.Size = size;
intel_obj->Base.Usage = usage;
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c
b/src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c
index 717c0b8..2508933 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c
@@ -79,7 +79,9 @@ nouveau_bufferobj_data(struct gl_context *ctx, GLenum target,
GLsizeiptrARB size
struct nouveau_bufferobj *nbo = to_nouveau_bufferobj(obj);
int ret;
- obj->Size = size;
+ ctx->NewState |= _NEW_BUFFER_OBJECT;
+
+ obj->Size = size;
obj->Usage = usage;
/* Free previous storage */
diff --git a/src/mesa/drivers/dri/radeon/radeon_buffer_objects.c
b/src/mesa/drivers/dri/radeon/radeon_buffer_objects.c
index 5abc52b..c855224 100644
--- a/src/mesa/drivers/dri/radeon/radeon_buffer_objects.c
+++ b/src/mesa/drivers/dri/radeon/radeon_buffer_objects.c
@@ -92,6 +92,8 @@ radeonBufferData(struct gl_context * ctx,
radeonContextPtr radeon = RADEON_CONTEXT(ctx);
struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj);
+ ctx->NewState |= _NEW_BUFFER_OBJECT;
+
radeon_obj->Base.Size = size;
radeon_obj->Base.Usage = usage;
diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index b82ba7b..32a69aa 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -413,6 +413,8 @@ _mesa_buffer_data( struct gl_context *ctx, GLenum target,
GLsizeiptrARB size,
(void) ctx; (void) target;
+ ctx->NewState |= _NEW_BUFFER_OBJECT;
+
new_data = _mesa_realloc( bufObj->Data, bufObj->Size, size );
if (new_data) {
bufObj->Data = (GLubyte *) new_data;
@@ -1061,7 +1063,7 @@ _mesa_BufferData(GLenum target, GLsizeiptrARB size,
ASSERT(bufObj->Pointer == NULL);
}
- FLUSH_VERTICES(ctx, _NEW_BUFFER_OBJECT);
+ FLUSH_VERTICES(ctx, 0);
bufObj->Written = GL_TRUE;
diff --git a/src/mesa/state_tracker/st_cb_bufferobjects.c
b/src/mesa/state_tracker/st_cb_bufferobjects.c
index 1b3991c..60df7cc 100644
--- a/src/mesa/state_tracker/st_cb_bufferobjects.c
+++ b/src/mesa/state_tracker/st_cb_bufferobjects.c
@@ -196,6 +196,8 @@ st_bufferobj_data(struct gl_context *ctx,
return GL_TRUE;
}
+ ctx->NewState |= _NEW_BUFFER_OBJECT;
+
st_obj->Base.Size = size;
st_obj->Base.Usage = usage;
--
1.7.10.4
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