diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_state_vertex.c')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_vertex.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_state_vertex.c b/src/gallium/drivers/llvmpipe/lp_state_vertex.c new file mode 100644 index 0000000000..113f13db01 --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_state_vertex.c @@ -0,0 +1,101 @@ +/************************************************************************** + * + * 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" + + +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); + + memcpy(llvmpipe->vertex_buffer, buffers, count * sizeof(buffers[0])); + llvmpipe->num_vertex_buffers = count; + + llvmpipe->dirty |= LP_NEW_VERTEX; + + draw_set_vertex_buffers(llvmpipe->draw, count, buffers); +} + + + +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; +} |