| /************************************************************************** |
| * |
| * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * 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 TUNGSTEN GRAPHICS 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. |
| * |
| **************************************************************************/ |
| |
| /* Authors: Keith Whitwell <keith@tungstengraphics.com> |
| */ |
| |
| |
| #include "lp_context.h" |
| #include "lp_state.h" |
| |
| #include "draw/draw_context.h" |
| #include "util/u_inlines.h" |
| #include "util/u_transfer.h" |
| |
| |
| static void * |
| llvmpipe_create_vertex_elements_state(struct pipe_context *pipe, |
| unsigned count, |
| const struct pipe_vertex_element *attribs) |
| { |
| struct lp_velems_state *velems; |
| assert(count <= PIPE_MAX_ATTRIBS); |
| velems = (struct lp_velems_state *) MALLOC(sizeof(struct lp_velems_state)); |
| if (velems) { |
| velems->count = count; |
| memcpy(velems->velem, attribs, sizeof(*attribs) * count); |
| } |
| return velems; |
| } |
| |
| static void |
| llvmpipe_bind_vertex_elements_state(struct pipe_context *pipe, |
| void *velems) |
| { |
| struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); |
| struct lp_velems_state *lp_velems = (struct lp_velems_state *) velems; |
| |
| llvmpipe->velems = lp_velems; |
| |
| llvmpipe->dirty |= LP_NEW_VERTEX; |
| |
| if (velems) |
| draw_set_vertex_elements(llvmpipe->draw, lp_velems->count, lp_velems->velem); |
| } |
| |
| static void |
| llvmpipe_delete_vertex_elements_state(struct pipe_context *pipe, void *velems) |
| { |
| FREE( velems ); |
| } |
| |
| static void |
| llvmpipe_set_vertex_buffers(struct pipe_context *pipe, |
| unsigned count, |
| const struct pipe_vertex_buffer *buffers) |
| { |
| struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); |
| |
| assert(count <= PIPE_MAX_ATTRIBS); |
| |
| util_copy_vertex_buffers(llvmpipe->vertex_buffer, |
| &llvmpipe->num_vertex_buffers, |
| buffers, count); |
| |
| llvmpipe->dirty |= LP_NEW_VERTEX; |
| |
| draw_set_vertex_buffers(llvmpipe->draw, count, buffers); |
| } |
| |
| |
| static void |
| llvmpipe_set_index_buffer(struct pipe_context *pipe, |
| const struct pipe_index_buffer *ib) |
| { |
| struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); |
| |
| if (ib) |
| memcpy(&llvmpipe->index_buffer, ib, sizeof(llvmpipe->index_buffer)); |
| else |
| memset(&llvmpipe->index_buffer, 0, sizeof(llvmpipe->index_buffer)); |
| } |
| |
| void |
| llvmpipe_init_vertex_funcs(struct llvmpipe_context *llvmpipe) |
| { |
| llvmpipe->pipe.create_vertex_elements_state = llvmpipe_create_vertex_elements_state; |
| llvmpipe->pipe.bind_vertex_elements_state = llvmpipe_bind_vertex_elements_state; |
| llvmpipe->pipe.delete_vertex_elements_state = llvmpipe_delete_vertex_elements_state; |
| |
| llvmpipe->pipe.set_vertex_buffers = llvmpipe_set_vertex_buffers; |
| llvmpipe->pipe.set_index_buffer = llvmpipe_set_index_buffer; |
| } |