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Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_prim_vbuf.c')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_prim_vbuf.c563
1 files changed, 0 insertions, 563 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_prim_vbuf.c b/src/gallium/drivers/llvmpipe/lp_prim_vbuf.c
deleted file mode 100644
index e8e2e2524a..0000000000
--- a/src/gallium/drivers/llvmpipe/lp_prim_vbuf.c
+++ /dev/null
@@ -1,563 +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.
- *
- **************************************************************************/
-
-/**
- * Interface between 'draw' module's output and the llvmpipe rasterizer/setup
- * code. When the 'draw' module has finished filling a vertex buffer, the
- * draw_arrays() functions below will be called. Loop over the vertices and
- * call the point/line/tri setup functions.
- *
- * Authors
- * Brian Paul
- */
-
-
-#include "lp_context.h"
-#include "lp_setup.h"
-#include "lp_state.h"
-#include "lp_prim_vbuf.h"
-#include "draw/draw_context.h"
-#include "draw/draw_vbuf.h"
-#include "util/u_memory.h"
-#include "util/u_prim.h"
-
-
-#define LP_MAX_VBUF_INDEXES 1024
-#define LP_MAX_VBUF_SIZE 4096
-
-typedef const float (*cptrf4)[4];
-
-/**
- * Subclass of vbuf_render.
- */
-struct llvmpipe_vbuf_render
-{
- struct vbuf_render base;
- struct llvmpipe_context *llvmpipe;
- struct setup_context *setup;
-
- uint prim;
- uint vertex_size;
- uint nr_vertices;
- uint vertex_buffer_size;
- void *vertex_buffer;
-};
-
-
-/** cast wrapper */
-static struct llvmpipe_vbuf_render *
-llvmpipe_vbuf_render(struct vbuf_render *vbr)
-{
- return (struct llvmpipe_vbuf_render *) vbr;
-}
-
-
-
-
-
-
-
-static const struct vertex_info *
-lp_vbuf_get_vertex_info(struct vbuf_render *vbr)
-{
- struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
- return llvmpipe_get_vbuf_vertex_info(cvbr->llvmpipe);
-}
-
-
-static boolean
-lp_vbuf_allocate_vertices(struct vbuf_render *vbr,
- ushort vertex_size, ushort nr_vertices)
-{
- struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
- unsigned size = vertex_size * nr_vertices;
-
- if (cvbr->vertex_buffer_size < size) {
- align_free(cvbr->vertex_buffer);
- cvbr->vertex_buffer = align_malloc(size, 16);
- cvbr->vertex_buffer_size = size;
- }
-
- cvbr->vertex_size = vertex_size;
- cvbr->nr_vertices = nr_vertices;
-
- return cvbr->vertex_buffer != NULL;
-}
-
-static void
-lp_vbuf_release_vertices(struct vbuf_render *vbr)
-{
- /* keep the old allocation for next time */
-}
-
-static void *
-lp_vbuf_map_vertices(struct vbuf_render *vbr)
-{
- struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
- return cvbr->vertex_buffer;
-}
-
-static void
-lp_vbuf_unmap_vertices(struct vbuf_render *vbr,
- ushort min_index,
- ushort max_index )
-{
- struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
- assert( cvbr->vertex_buffer_size >= (max_index+1) * cvbr->vertex_size );
- (void) cvbr;
- /* do nothing */
-}
-
-
-static boolean
-lp_vbuf_set_primitive(struct vbuf_render *vbr, unsigned prim)
-{
- struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
- struct setup_context *setup_ctx = cvbr->setup;
-
- llvmpipe_setup_prepare( setup_ctx );
-
- cvbr->llvmpipe->reduced_prim = u_reduced_prim(prim);
- cvbr->prim = prim;
- return TRUE;
-
-}
-
-
-static INLINE cptrf4 get_vert( const void *vertex_buffer,
- int index,
- int stride )
-{
- return (cptrf4)((char *)vertex_buffer + index * stride);
-}
-
-
-/**
- * draw elements / indexed primitives
- */
-static void
-lp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr)
-{
- struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
- struct llvmpipe_context *llvmpipe = cvbr->llvmpipe;
- const unsigned stride = llvmpipe->vertex_info_vbuf.size * sizeof(float);
- const void *vertex_buffer = cvbr->vertex_buffer;
- struct setup_context *setup_ctx = cvbr->setup;
- unsigned i;
-
- switch (cvbr->prim) {
- case PIPE_PRIM_POINTS:
- for (i = 0; i < nr; i++) {
- llvmpipe_setup_point( setup_ctx,
- get_vert(vertex_buffer, indices[i-0], stride) );
- }
- break;
-
- case PIPE_PRIM_LINES:
- for (i = 1; i < nr; i += 2) {
- llvmpipe_setup_line( setup_ctx,
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
- }
- break;
-
- case PIPE_PRIM_LINE_STRIP:
- for (i = 1; i < nr; i ++) {
- llvmpipe_setup_line( setup_ctx,
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
- }
- break;
-
- case PIPE_PRIM_LINE_LOOP:
- for (i = 1; i < nr; i ++) {
- llvmpipe_setup_line( setup_ctx,
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
- }
- if (nr) {
- llvmpipe_setup_line( setup_ctx,
- get_vert(vertex_buffer, indices[nr-1], stride),
- get_vert(vertex_buffer, indices[0], stride) );
- }
- break;
-
- case PIPE_PRIM_TRIANGLES:
- if (llvmpipe->rasterizer->flatshade_first) {
- for (i = 2; i < nr; i += 3) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride),
- get_vert(vertex_buffer, indices[i-2], stride) );
- }
- }
- else {
- for (i = 2; i < nr; i += 3) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
- }
- }
- break;
-
- case PIPE_PRIM_TRIANGLE_STRIP:
- if (llvmpipe->rasterizer->flatshade_first) {
- for (i = 2; i < nr; i += 1) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i+(i&1)-1], stride),
- get_vert(vertex_buffer, indices[i-(i&1)], stride),
- get_vert(vertex_buffer, indices[i-2], stride) );
- }
- }
- else {
- for (i = 2; i < nr; i += 1) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i+(i&1)-2], stride),
- get_vert(vertex_buffer, indices[i-(i&1)-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
- }
- }
- break;
-
- case PIPE_PRIM_TRIANGLE_FAN:
- if (llvmpipe->rasterizer->flatshade_first) {
- for (i = 2; i < nr; i += 1) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-0], stride),
- get_vert(vertex_buffer, indices[0], stride),
- get_vert(vertex_buffer, indices[i-1], stride) );
- }
- }
- else {
- for (i = 2; i < nr; i += 1) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[0], stride),
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
- }
- }
- break;
-
- case PIPE_PRIM_QUADS:
- if (llvmpipe->rasterizer->flatshade_first) {
- for (i = 3; i < nr; i += 4) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-3], stride) );
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride),
- get_vert(vertex_buffer, indices[i-3], stride) );
- }
- }
- else {
- for (i = 3; i < nr; i += 4) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-3], stride),
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
-
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
- }
- }
- break;
-
- case PIPE_PRIM_QUAD_STRIP:
- if (llvmpipe->rasterizer->flatshade_first) {
- for (i = 3; i < nr; i += 2) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-0], stride),
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-3], stride));
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-0], stride),
- get_vert(vertex_buffer, indices[i-3], stride) );
- }
- }
- else {
- for (i = 3; i < nr; i += 2) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-3], stride),
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-3], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
- }
- }
- break;
-
- case PIPE_PRIM_POLYGON:
- /* Almost same as tri fan but the _first_ vertex specifies the flat
- * shading color. Note that the first polygon vertex is passed as
- * the last triangle vertex here.
- * flatshade_first state makes no difference.
- */
- for (i = 2; i < nr; i += 1) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-0], stride),
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[0], stride) );
- }
- break;
-
- default:
- assert(0);
- }
-}
-
-
-/**
- * This function is hit when the draw module is working in pass-through mode.
- * It's up to us to convert the vertex array into point/line/tri prims.
- */
-static void
-lp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr)
-{
- struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
- struct llvmpipe_context *llvmpipe = cvbr->llvmpipe;
- struct setup_context *setup_ctx = cvbr->setup;
- const unsigned stride = llvmpipe->vertex_info_vbuf.size * sizeof(float);
- const void *vertex_buffer =
- (void *) get_vert(cvbr->vertex_buffer, start, stride);
- unsigned i;
-
- switch (cvbr->prim) {
- case PIPE_PRIM_POINTS:
- for (i = 0; i < nr; i++) {
- llvmpipe_setup_point( setup_ctx,
- get_vert(vertex_buffer, i-0, stride) );
- }
- break;
-
- case PIPE_PRIM_LINES:
- for (i = 1; i < nr; i += 2) {
- llvmpipe_setup_line( setup_ctx,
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-0, stride) );
- }
- break;
-
- case PIPE_PRIM_LINE_STRIP:
- for (i = 1; i < nr; i ++) {
- llvmpipe_setup_line( setup_ctx,
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-0, stride) );
- }
- break;
-
- case PIPE_PRIM_LINE_LOOP:
- for (i = 1; i < nr; i ++) {
- llvmpipe_setup_line( setup_ctx,
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-0, stride) );
- }
- if (nr) {
- llvmpipe_setup_line( setup_ctx,
- get_vert(vertex_buffer, nr-1, stride),
- get_vert(vertex_buffer, 0, stride) );
- }
- break;
-
- case PIPE_PRIM_TRIANGLES:
- if (llvmpipe->rasterizer->flatshade_first) {
- for (i = 2; i < nr; i += 3) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-0, stride),
- get_vert(vertex_buffer, i-2, stride) );
- }
- }
- else {
- for (i = 2; i < nr; i += 3) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-0, stride) );
- }
- }
- break;
-
- case PIPE_PRIM_TRIANGLE_STRIP:
- if (llvmpipe->rasterizer->flatshade_first) {
- for (i = 2; i < nr; i++) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, i+(i&1)-1, stride),
- get_vert(vertex_buffer, i-(i&1), stride),
- get_vert(vertex_buffer, i-2, stride) );
- }
- }
- else {
- for (i = 2; i < nr; i++) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, i+(i&1)-2, stride),
- get_vert(vertex_buffer, i-(i&1)-1, stride),
- get_vert(vertex_buffer, i-0, stride) );
- }
- }
- break;
-
- case PIPE_PRIM_TRIANGLE_FAN:
- if (llvmpipe->rasterizer->flatshade_first) {
- for (i = 2; i < nr; i += 1) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-0, stride),
- get_vert(vertex_buffer, 0, stride),
- get_vert(vertex_buffer, i-1, stride) );
- }
- }
- else {
- for (i = 2; i < nr; i += 1) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, 0, stride),
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-0, stride) );
- }
- }
- break;
-
- case PIPE_PRIM_QUADS:
- if (llvmpipe->rasterizer->flatshade_first) {
- for (i = 3; i < nr; i += 4) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-3, stride) );
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-0, stride),
- get_vert(vertex_buffer, i-3, stride) );
- }
- }
- else {
- for (i = 3; i < nr; i += 4) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-3, stride),
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-0, stride) );
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-0, stride) );
- }
- }
- break;
-
- case PIPE_PRIM_QUAD_STRIP:
- if (llvmpipe->rasterizer->flatshade_first) {
- for (i = 3; i < nr; i += 2) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-0, stride),
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-3, stride) );
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-0, stride),
- get_vert(vertex_buffer, i-3, stride) );
- }
- }
- else {
- for (i = 3; i < nr; i += 2) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-3, stride),
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-0, stride) );
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-3, stride),
- get_vert(vertex_buffer, i-0, stride) );
- }
- }
- break;
-
- case PIPE_PRIM_POLYGON:
- /* Almost same as tri fan but the _first_ vertex specifies the flat
- * shading color. Note that the first polygon vertex is passed as
- * the last triangle vertex here.
- * flatshade_first state makes no difference.
- */
- for (i = 2; i < nr; i += 1) {
- llvmpipe_setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-0, stride),
- get_vert(vertex_buffer, 0, stride) );
- }
- break;
-
- default:
- assert(0);
- }
-}
-
-
-
-static void
-lp_vbuf_destroy(struct vbuf_render *vbr)
-{
- struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
- llvmpipe_setup_destroy_context(cvbr->setup);
- FREE(cvbr);
-}
-
-
-/**
- * Create the post-transform vertex handler for the given context.
- */
-struct vbuf_render *
-lp_create_vbuf_backend(struct llvmpipe_context *lp)
-{
- struct llvmpipe_vbuf_render *cvbr = CALLOC_STRUCT(llvmpipe_vbuf_render);
-
- assert(lp->draw);
-
-
- cvbr->base.max_indices = LP_MAX_VBUF_INDEXES;
- cvbr->base.max_vertex_buffer_bytes = LP_MAX_VBUF_SIZE;
-
- cvbr->base.get_vertex_info = lp_vbuf_get_vertex_info;
- cvbr->base.allocate_vertices = lp_vbuf_allocate_vertices;
- cvbr->base.map_vertices = lp_vbuf_map_vertices;
- cvbr->base.unmap_vertices = lp_vbuf_unmap_vertices;
- cvbr->base.set_primitive = lp_vbuf_set_primitive;
- cvbr->base.draw = lp_vbuf_draw;
- cvbr->base.draw_arrays = lp_vbuf_draw_arrays;
- cvbr->base.release_vertices = lp_vbuf_release_vertices;
- cvbr->base.destroy = lp_vbuf_destroy;
-
- cvbr->llvmpipe = lp;
-
- cvbr->setup = llvmpipe_setup_create_context(cvbr->llvmpipe);
-
- return &cvbr->base;
-}
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