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Diffstat (limited to 'src/mesa/pipe/softpipe/sp_prim_vbuf.c')
-rw-r--r--src/mesa/pipe/softpipe/sp_prim_vbuf.c222
1 files changed, 0 insertions, 222 deletions
diff --git a/src/mesa/pipe/softpipe/sp_prim_vbuf.c b/src/mesa/pipe/softpipe/sp_prim_vbuf.c
deleted file mode 100644
index c9089e7eb2..0000000000
--- a/src/mesa/pipe/softpipe/sp_prim_vbuf.c
+++ /dev/null
@@ -1,222 +0,0 @@
-/**************************************************************************
- *
- * 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.
- *
- **************************************************************************/
-
-/**
- * Post-transform vertex buffering. This is an optional part of the
- * softpipe rendering pipeline.
- * Probably not desired in general, but useful for testing/debuggin.
- * Enabled/Disabled with SP_VBUF env var.
- *
- * Authors
- * Brian Paul
- */
-
-
-#include "sp_context.h"
-#include "sp_prim_vbuf.h"
-#include "pipe/draw/draw_context.h"
-#include "pipe/draw/draw_private.h"
-#include "pipe/draw/draw_vbuf.h"
-
-
-#define SP_MAX_VBUF_INDEXES 1024
-#define SP_MAX_VBUF_SIZE 4096
-
-
-/**
- * Subclass of vbuf_render.
- */
-struct softpipe_vbuf_render
-{
- struct vbuf_render base;
- struct softpipe_context *softpipe;
- uint prim;
- uint vertex_size;
- void *vertex_buffer;
-};
-
-
-/** cast wrapper */
-static struct softpipe_vbuf_render *
-softpipe_vbuf_render(struct vbuf_render *vbr)
-{
- return (struct softpipe_vbuf_render *) vbr;
-}
-
-
-
-static const struct vertex_info *
-sp_vbuf_get_vertex_info(struct vbuf_render *vbr)
-{
- struct softpipe_vbuf_render *cvbr = softpipe_vbuf_render(vbr);
- /* XXX check for state changes? */
- assert(!cvbr->softpipe->dirty );
- return &cvbr->softpipe->vertex_info_vbuf;
-}
-
-
-static void *
-sp_vbuf_allocate_vertices(struct vbuf_render *vbr,
- ushort vertex_size, ushort nr_vertices)
-{
- struct softpipe_vbuf_render *cvbr = softpipe_vbuf_render(vbr);
- assert(!cvbr->vertex_buffer);
- cvbr->vertex_buffer = align_malloc(vertex_size * nr_vertices, 16);
- cvbr->vertex_size = vertex_size;
- return cvbr->vertex_buffer;
-}
-
-
-static void
-sp_vbuf_release_vertices(struct vbuf_render *vbr, void *vertices,
- unsigned vertex_size, unsigned vertices_used)
-{
- struct softpipe_vbuf_render *cvbr = softpipe_vbuf_render(vbr);
- align_free(vertices);
- assert(vertices == cvbr->vertex_buffer);
- cvbr->vertex_buffer = NULL;
-}
-
-
-static void
-sp_vbuf_set_primitive(struct vbuf_render *vbr, unsigned prim)
-{
- struct softpipe_vbuf_render *cvbr = softpipe_vbuf_render(vbr);
- cvbr->prim = prim;
-}
-
-
-/**
- * Recalculate prim's determinant.
- * XXX is this needed?
- */
-static void
-calc_det(struct prim_header *header)
-{
- /* Window coords: */
- const float *v0 = header->v[0]->data[0];
- const float *v1 = header->v[1]->data[0];
- const float *v2 = header->v[2]->data[0];
-
- /* edge vectors e = v0 - v2, f = v1 - v2 */
- const float ex = v0[0] - v2[0];
- const float ey = v0[1] - v2[1];
- const float fx = v1[0] - v2[0];
- const float fy = v1[1] - v2[1];
-
- /* det = cross(e,f).z */
- header->det = ex * fy - ey * fx;
-}
-
-
-static void
-sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr_indices)
-{
- struct softpipe_vbuf_render *cvbr = softpipe_vbuf_render(vbr);
- struct softpipe_context *softpipe = cvbr->softpipe;
- struct draw_stage *setup = softpipe->setup;
- struct prim_header prim;
- unsigned vertex_size = softpipe->vertex_info_vbuf.size * sizeof(float);
- unsigned i, j;
- void *vertex_buffer = cvbr->vertex_buffer;
-
- prim.det = 0;
- prim.reset_line_stipple = 0;
- prim.edgeflags = 0;
- prim.pad = 0;
-
- switch (cvbr->prim) {
- case PIPE_PRIM_TRIANGLES:
- for (i = 0; i < nr_indices; i += 3) {
- for (j = 0; j < 3; j++)
- prim.v[j] = (struct vertex_header *)((char *)vertex_buffer +
- indices[i+j] * vertex_size);
-
- calc_det(&prim);
- setup->tri( setup, &prim );
- }
- break;
-
- case PIPE_PRIM_LINES:
- for (i = 0; i < nr_indices; i += 2) {
- for (j = 0; j < 2; j++)
- prim.v[j] = (struct vertex_header *)((char *)vertex_buffer +
- indices[i+j] * vertex_size);
-
- setup->line( setup, &prim );
- }
- break;
-
- case PIPE_PRIM_POINTS:
- for (i = 0; i < nr_indices; i++) {
- prim.v[0] = (struct vertex_header *)((char *)vertex_buffer +
- indices[i] * vertex_size);
- setup->point( setup, &prim );
- }
- break;
- }
-
- setup->flush( setup, 0 );
-}
-
-
-static void
-sp_vbuf_destroy(struct vbuf_render *vbr)
-{
- struct softpipe_vbuf_render *cvbr = softpipe_vbuf_render(vbr);
- cvbr->softpipe->vbuf_render = NULL;
- FREE(cvbr);
-}
-
-
-/**
- * Initialize the post-transform vertex buffer information for the given
- * context.
- */
-void
-sp_init_vbuf(struct softpipe_context *sp)
-{
- assert(sp->draw);
-
- sp->vbuf_render = CALLOC_STRUCT(softpipe_vbuf_render);
-
- sp->vbuf_render->base.max_indices = SP_MAX_VBUF_INDEXES;
- sp->vbuf_render->base.max_vertex_buffer_bytes = SP_MAX_VBUF_SIZE;
-
- sp->vbuf_render->base.get_vertex_info = sp_vbuf_get_vertex_info;
- sp->vbuf_render->base.allocate_vertices = sp_vbuf_allocate_vertices;
- sp->vbuf_render->base.set_primitive = sp_vbuf_set_primitive;
- sp->vbuf_render->base.draw = sp_vbuf_draw;
- sp->vbuf_render->base.release_vertices = sp_vbuf_release_vertices;
- sp->vbuf_render->base.destroy = sp_vbuf_destroy;
-
- sp->vbuf_render->softpipe = sp;
-
- sp->vbuf = draw_vbuf_stage(sp->draw, &sp->vbuf_render->base);
-
- draw_set_rasterize_stage(sp->draw, sp->vbuf);
-}
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