diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_draw_arrays.c')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_draw_arrays.c | 46 |
1 files changed, 44 insertions, 2 deletions
diff --git a/src/gallium/drivers/softpipe/sp_draw_arrays.c b/src/gallium/drivers/softpipe/sp_draw_arrays.c index 6a593fb06a..debf5bfe06 100644 --- a/src/gallium/drivers/softpipe/sp_draw_arrays.c +++ b/src/gallium/drivers/softpipe/sp_draw_arrays.c @@ -193,6 +193,26 @@ softpipe_draw_arrays_instanced(struct pipe_context *pipe, unsigned startInstance, unsigned instanceCount) { + return softpipe_draw_elements_instanced(pipe, + NULL, + 0, + mode, + start, + count, + startInstance, + instanceCount); +} + +boolean +softpipe_draw_elements_instanced(struct pipe_context *pipe, + struct pipe_buffer *indexBuffer, + unsigned indexSize, + unsigned mode, + unsigned start, + unsigned count, + unsigned startInstance, + unsigned instanceCount) +{ struct softpipe_context *sp = softpipe_context(pipe); struct draw_context *draw = sp->draw; unsigned i; @@ -216,8 +236,26 @@ softpipe_draw_arrays_instanced(struct pipe_context *pipe, draw_set_mapped_vertex_buffer(draw, i, buf); } - draw_set_mapped_element_buffer_range(draw, 0, start, - start + count - 1, NULL); + /* Map index buffer, if present */ + if (indexBuffer) { + void *mapped_indexes; + + mapped_indexes = pipe_buffer_map(pipe->screen, + indexBuffer, + PIPE_BUFFER_USAGE_CPU_READ); + draw_set_mapped_element_buffer_range(draw, + indexSize, + 0, + 0xffffffff, + mapped_indexes); + } else { + /* no index/element buffer */ + draw_set_mapped_element_buffer_range(draw, + 0, + start, + start + count - 1, + NULL); + } /* draw! */ draw_arrays_instanced(draw, mode, start, count, startInstance, instanceCount); @@ -227,6 +265,10 @@ softpipe_draw_arrays_instanced(struct pipe_context *pipe, draw_set_mapped_vertex_buffer(draw, i, NULL); pipe_buffer_unmap(pipe->screen, sp->vertex_buffer[i].buffer); } + if (indexBuffer) { + draw_set_mapped_element_buffer(draw, 0, NULL); + pipe_buffer_unmap(pipe->screen, indexBuffer); + } /* Note: leave drawing surfaces mapped */ softpipe_unmap_constant_buffers(sp); |