From fa05ddca156ee21a4c0e00aaec0c3f8347dd194d Mon Sep 17 00:00:00 2001 From: José Fonseca Date: Wed, 16 Feb 2011 21:52:49 +0000 Subject: svga: Proper redefine_user_buffer implementation. Unfortunately still not enough to make GoogleEarth happy. --- src/gallium/drivers/svga/svga_pipe_vertex.c | 1 - src/gallium/drivers/svga/svga_resource.c | 1 + src/gallium/drivers/svga/svga_resource_buffer.h | 6 +++ .../drivers/svga/svga_resource_buffer_upload.c | 51 ++++++++++++++++++++++ 4 files changed, 58 insertions(+), 1 deletion(-) (limited to 'src/gallium/drivers/svga') diff --git a/src/gallium/drivers/svga/svga_pipe_vertex.c b/src/gallium/drivers/svga/svga_pipe_vertex.c index 6bf37fbbba..5846991073 100644 --- a/src/gallium/drivers/svga/svga_pipe_vertex.c +++ b/src/gallium/drivers/svga/svga_pipe_vertex.c @@ -132,7 +132,6 @@ void svga_init_vertex_functions( struct svga_context *svga ) svga->pipe.create_vertex_elements_state = svga_create_vertex_elements_state; svga->pipe.bind_vertex_elements_state = svga_bind_vertex_elements_state; svga->pipe.delete_vertex_elements_state = svga_delete_vertex_elements_state; - svga->pipe.redefine_user_buffer = u_default_redefine_user_buffer; } diff --git a/src/gallium/drivers/svga/svga_resource.c b/src/gallium/drivers/svga/svga_resource.c index ef2a0c40f0..bed15ec02e 100644 --- a/src/gallium/drivers/svga/svga_resource.c +++ b/src/gallium/drivers/svga/svga_resource.c @@ -40,6 +40,7 @@ svga_init_resource_functions(struct svga_context *svga) svga->pipe.transfer_unmap = u_transfer_unmap_vtbl; svga->pipe.transfer_destroy = u_transfer_destroy_vtbl; svga->pipe.transfer_inline_write = u_transfer_inline_write_vtbl; + svga->pipe.redefine_user_buffer = svga_redefine_user_buffer; } void diff --git a/src/gallium/drivers/svga/svga_resource_buffer.h b/src/gallium/drivers/svga/svga_resource_buffer.h index d3ec11bfd5..c559f70ec1 100644 --- a/src/gallium/drivers/svga/svga_resource_buffer.h +++ b/src/gallium/drivers/svga/svga_resource_buffer.h @@ -243,4 +243,10 @@ svga_winsys_buffer_create(struct svga_context *svga, unsigned usage, unsigned size); +void +svga_redefine_user_buffer(struct pipe_context *ctx, + struct pipe_resource *resource, + unsigned offset, + unsigned size); + #endif /* SVGA_BUFFER_H */ diff --git a/src/gallium/drivers/svga/svga_resource_buffer_upload.c b/src/gallium/drivers/svga/svga_resource_buffer_upload.c index fdc0329f6c..76a3803224 100644 --- a/src/gallium/drivers/svga/svga_resource_buffer_upload.c +++ b/src/gallium/drivers/svga/svga_resource_buffer_upload.c @@ -649,3 +649,54 @@ svga_context_flush_buffers(struct svga_context *svga) next = curr->next; } } + + +void +svga_redefine_user_buffer(struct pipe_context *pipe, + struct pipe_resource *resource, + unsigned offset, + unsigned size) +{ + struct svga_screen *ss = svga_screen(pipe->screen); + struct svga_context *svga = svga_context(pipe); + struct svga_buffer *sbuf = svga_buffer(resource); + + assert(sbuf->user); + + /* + * Release any uploaded user buffer. + * + * TODO: As an optimization, we could try to update the uploaded buffer + * instead. + */ + + pipe_resource_reference(&sbuf->uploaded.buffer, NULL); + + pipe_mutex_lock(ss->swc_mutex); + + if (offset + size > resource->width0) { + /* + * User buffers shouldn't have DMA directly, unless + * SVGA_COMBINE_USERBUFFERS is not set. + */ + + if (sbuf->dma.pending) { + svga_buffer_upload_flush(svga, sbuf); + } + + if (sbuf->handle) { + svga_buffer_destroy_host_surface(ss, sbuf); + } + + if (sbuf->hwbuf) { + svga_buffer_destroy_hw_storage(ss, sbuf); + } + + sbuf->key.size.width = sbuf->b.b.width0 = offset + size; + } + + pipe_mutex_unlock(ss->swc_mutex); + + svga->curr.any_user_vertex_buffers = TRUE; + svga->dirty |= SVGA_NEW_VBUFFER | SVGA_NEW_VELEMENT; +} -- cgit v1.2.3