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mesa: Implement and use FlushMappedBufferRange.

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This commit is contained in:
José Fonseca 2009-03-04 11:59:00 +00:00
parent 004d8f1188
commit cfd5298f24
2 changed files with 20 additions and 2 deletions
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15
src/mesa/state_tracker/st_cb_bufferobjects.c
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@ -233,14 +233,24 @@ st_bufferobj_map_range(GLcontext *ctx, GLenum target,
flags |= PIPE_BUFFER_USAGE_DONTBLOCK;
map = pipe_buffer_map_range(pipe->screen, st_obj->buffer, offset, length, flags);
/* FIXME: some code expects this to point to the buffer start, which means that
* the range might not be respected in all circumstances
/* this is expected to point to the buffer start, in order to calculate the
* vertices offsets
*/
obj->Pointer = map ? map - offset : NULL;
return map;
}
static void
st_bufferobj_flush_mapped_range(GLcontext *ctx, GLenum target,
GLintptr offset, GLsizeiptr length,
struct gl_buffer_object *obj)
{
struct pipe_context *pipe = st_context(ctx)->pipe;
struct st_buffer_object *st_obj = st_buffer_object(obj);
pipe_buffer_flush_mapped_range(pipe->screen, st_obj->buffer, offset, length);
}
/**
@ -268,5 +278,6 @@ st_init_bufferobject_functions(struct dd_function_table *functions)
functions->GetBufferSubData = st_bufferobj_get_subdata;
functions->MapBuffer = st_bufferobj_map;
functions->MapBufferRange = st_bufferobj_map_range;
functions->FlushMappedBufferRange = st_bufferobj_flush_mapped_range;
functions->UnmapBuffer = st_bufferobj_unmap;
}

7
src/mesa/vbo/vbo_exec_draw.c
View file

@ -240,6 +240,13 @@ static void vbo_exec_vtx_unmap( struct vbo_exec_context *exec )
if (exec->vtx.bufferobj->Name) {
GLcontext *ctx = exec->ctx;
GLintptr offset = exec->vtx.buffer_used;
GLsizeiptr length = (exec->vtx.buffer_ptr - exec->vtx.buffer_map) * sizeof(float);
if(ctx->Driver.FlushMappedBufferRange)
ctx->Driver.FlushMappedBufferRange(ctx, target,
offset, length,
exec->vtx.bufferobj);
exec->vtx.buffer_used += (exec->vtx.buffer_ptr -
exec->vtx.buffer_map) * sizeof(float);