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st/mesa: implement Driver.InvalidateBufferSubData

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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2016-01-09 18:05:58 -05:00
parent 9e2240e892
commit 70e66c57bb
3 changed files with 33 additions and 3 deletions
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31
src/mesa/state_tracker/st_cb_bufferobjects.c
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@ -332,6 +332,31 @@ st_bufferobj_data(struct gl_context *ctx,
}
/**
* Called via glInvalidateBuffer(Sub)Data.
*/
static void
st_bufferobj_invalidate(struct gl_context *ctx,
struct gl_buffer_object *obj,
GLintptr offset,
GLsizeiptr size)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct st_buffer_object *st_obj = st_buffer_object(obj);
/* We ignore partial invalidates. */
if (offset != 0 || size != obj->Size)
return;
/* Nothing to invalidate. */
if (!st_obj->buffer)
return;
pipe->invalidate_resource(pipe, st_obj->buffer);
}
/**
* Called via glMapBufferRange().
*/
@ -517,7 +542,8 @@ st_bufferobj_validate_usage(struct st_context *st,
void
st_init_bufferobject_functions(struct dd_function_table *functions)
st_init_bufferobject_functions(struct pipe_screen *screen,
struct dd_function_table *functions)
{
/* plug in default driver fallbacks (such as for ClearBufferSubData) */
_mesa_init_buffer_object_functions(functions);
@ -532,4 +558,7 @@ st_init_bufferobject_functions(struct dd_function_table *functions)
functions->UnmapBuffer = st_bufferobj_unmap;
functions->CopyBufferSubData = st_copy_buffer_subdata;
functions->ClearBufferSubData = st_clear_buffer_subdata;
if (screen->get_param(screen, PIPE_CAP_INVALIDATE_BUFFER))
functions->InvalidateBufferSubData = st_bufferobj_invalidate;
}

3
src/mesa/state_tracker/st_cb_bufferobjects.h
View file

@ -62,7 +62,8 @@ st_bufferobj_validate_usage(struct st_context *st,
extern void
st_init_bufferobject_functions(struct dd_function_table *functions);
st_init_bufferobject_functions(struct pipe_screen *screen,
struct dd_function_table *functions);
#endif

2
src/mesa/state_tracker/st_context.c
View file

@ -446,7 +446,7 @@ void st_init_driver_functions(struct pipe_screen *screen,
_mesa_init_sampler_object_functions(functions);
st_init_blit_functions(functions);
st_init_bufferobject_functions(functions);
st_init_bufferobject_functions(screen, functions);
st_init_clear_functions(functions);
st_init_bitmap_functions(functions);
st_init_copy_image_functions(functions);