| 0,0 → 1,93 |
|---|
| /************************************************************************** |
| * |
| * Copyright 2010 VMware, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| #include "lp_context.h" |
| #include "lp_state.h" |
| #include "lp_texture.h" |
| |
| #include "util/u_memory.h" |
| #include "draw/draw_context.h" |
| |
| static struct pipe_stream_output_target * |
| llvmpipe_create_so_target(struct pipe_context *pipe, |
| struct pipe_resource *buffer, |
| unsigned buffer_offset, |
| unsigned buffer_size) |
| { |
| struct draw_so_target *t; |
| |
| t = CALLOC_STRUCT(draw_so_target); |
| if (!t) |
| return NULL; |
| |
| t->target.context = pipe; |
| t->target.reference.count = 1; |
| pipe_resource_reference(&t->target.buffer, buffer); |
| t->target.buffer_offset = buffer_offset; |
| t->target.buffer_size = buffer_size; |
| return &t->target; |
| } |
| |
| static void |
| llvmpipe_so_target_destroy(struct pipe_context *pipe, |
| struct pipe_stream_output_target *target) |
| { |
| pipe_resource_reference(&target->buffer, NULL); |
| FREE(target); |
| } |
| |
| static void |
| llvmpipe_set_so_targets(struct pipe_context *pipe, |
| unsigned num_targets, |
| struct pipe_stream_output_target **targets, |
| unsigned append_bitmask) |
| { |
| struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); |
| int i; |
| for (i = 0; i < num_targets; i++) { |
| pipe_so_target_reference((struct pipe_stream_output_target **)&llvmpipe->so_targets[i], targets[i]); |
| /* if we're not appending then lets reset the internal |
| data of our so target */ |
| if (!(append_bitmask & (1 << i)) && llvmpipe->so_targets[i]) { |
| llvmpipe->so_targets[i]->internal_offset = 0; |
| llvmpipe->so_targets[i]->emitted_vertices = 0; |
| } |
| } |
| |
| for (; i < llvmpipe->num_so_targets; i++) { |
| pipe_so_target_reference((struct pipe_stream_output_target **)&llvmpipe->so_targets[i], NULL); |
| } |
| llvmpipe->num_so_targets = num_targets; |
| } |
| |
| void |
| llvmpipe_init_so_funcs(struct llvmpipe_context *pipe) |
| { |
| pipe->pipe.create_stream_output_target = llvmpipe_create_so_target; |
| pipe->pipe.stream_output_target_destroy = llvmpipe_so_target_destroy; |
| pipe->pipe.set_stream_output_targets = llvmpipe_set_so_targets; |
| } |