From cfd5298f240612ef69ae321aebbc425710a8d731 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jos=C3=A9=20Fonseca?= Date: Wed, 4 Mar 2009 11:59:00 +0000 Subject: [PATCH] mesa: Implement and use FlushMappedBufferRange. --- src/mesa/state_tracker/st_cb_bufferobjects.c | 15 +++++++++++++-- src/mesa/vbo/vbo_exec_draw.c | 7 +++++++ 2 files changed, 20 insertions(+), 2 deletions(-) diff --git a/src/mesa/state_tracker/st_cb_bufferobjects.c b/src/mesa/state_tracker/st_cb_bufferobjects.c index 526fc958734..2765ec24b7a 100644 --- a/src/mesa/state_tracker/st_cb_bufferobjects.c +++ b/src/mesa/state_tracker/st_cb_bufferobjects.c @@ -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; } diff --git a/src/mesa/vbo/vbo_exec_draw.c b/src/mesa/vbo/vbo_exec_draw.c index b08909c76fb..c85e142a5a7 100644 --- a/src/mesa/vbo/vbo_exec_draw.c +++ b/src/mesa/vbo/vbo_exec_draw.c @@ -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); -- 2.30.2