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path: root/src/mesa/pipe/draw/draw_vbuf.c
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Diffstat (limited to 'src/mesa/pipe/draw/draw_vbuf.c')
-rw-r--r--src/mesa/pipe/draw/draw_vbuf.c567
1 files changed, 0 insertions, 567 deletions
diff --git a/src/mesa/pipe/draw/draw_vbuf.c b/src/mesa/pipe/draw/draw_vbuf.c
deleted file mode 100644
index be96c8fdeb1..00000000000
--- a/src/mesa/pipe/draw/draw_vbuf.c
+++ /dev/null
@@ -1,567 +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.
- *
- **************************************************************************/
-
-/**
- * \file
- * Vertex buffer drawing stage.
- *
- * \author Jos� Fonseca <[email protected]>
- * \author Keith Whitwell <[email protected]>
- */
-
-
-#include "pipe/p_debug.h"
-#include "pipe/p_util.h"
-
-#include "draw_vbuf.h"
-#include "draw_private.h"
-#include "draw_vertex.h"
-#include "draw_vf.h"
-
-
-/**
- * Vertex buffer emit stage.
- */
-struct vbuf_stage {
- struct draw_stage stage; /**< This must be first (base class) */
-
- struct vbuf_render *render;
-
- const struct vertex_info *vinfo;
-
- /** Vertex size in bytes */
- unsigned vertex_size;
-
- struct draw_vertex_fetch *vf;
-
- /* FIXME: we have no guarantee that 'unsigned' is 32bit */
-
- /** Vertices in hardware format */
- unsigned *vertices;
- unsigned *vertex_ptr;
- unsigned max_vertices;
- unsigned nr_vertices;
-
- /** Indices */
- ushort *indices;
- unsigned max_indices;
- unsigned nr_indices;
-
- /** Pipe primitive */
- unsigned prim;
-};
-
-
-/**
- * Basically a cast wrapper.
- */
-static INLINE struct vbuf_stage *
-vbuf_stage( struct draw_stage *stage )
-{
- assert(stage);
- return (struct vbuf_stage *)stage;
-}
-
-
-static void vbuf_flush_indices( struct vbuf_stage *vbuf );
-static void vbuf_flush_vertices( struct vbuf_stage *vbuf );
-static void vbuf_alloc_vertices( struct vbuf_stage *vbuf );
-
-
-static INLINE boolean
-overflow( void *map, void *ptr, unsigned bytes, unsigned bufsz )
-{
- unsigned long used = (unsigned long) ((char *)ptr - (char *)map);
- return (used + bytes) > bufsz;
-}
-
-
-static INLINE void
-check_space( struct vbuf_stage *vbuf, unsigned nr )
-{
- if (vbuf->nr_vertices + nr > vbuf->max_vertices ) {
- vbuf_flush_vertices(vbuf);
- vbuf_alloc_vertices(vbuf);
- }
-
- if (vbuf->nr_indices + nr > vbuf->max_indices )
- vbuf_flush_indices(vbuf);
-}
-
-
-#if 0
-static INLINE void
-dump_emitted_vertex(const struct vertex_info *vinfo, const uint8_t *data)
-{
- assert(vinfo == vbuf->render->get_vertex_info(vbuf->render));
- unsigned i, j, k;
-
- for (i = 0; i < vinfo->num_attribs; i++) {
- j = vinfo->src_index[i];
- switch (vinfo->emit[i]) {
- case EMIT_OMIT:
- debug_printf("EMIT_OMIT:");
- break;
- case EMIT_ALL:
- assert(i == 0);
- assert(j == 0);
- debug_printf("EMIT_ALL:\t");
- for(k = 0; k < vinfo->size*4; ++k)
- debug_printf("%02x ", *data++);
- break;
- case EMIT_1F:
- debug_printf("EMIT_1F:\t");
- debug_printf("%f ", *(float *)data); data += sizeof(float);
- break;
- case EMIT_1F_PSIZE:
- debug_printf("EMIT_1F_PSIZE:\t");
- debug_printf("%f ", *(float *)data); data += sizeof(float);
- break;
- case EMIT_2F:
- debug_printf("EMIT_2F:\t");
- debug_printf("%f ", *(float *)data); data += sizeof(float);
- debug_printf("%f ", *(float *)data); data += sizeof(float);
- break;
- case EMIT_3F:
- debug_printf("EMIT_3F:\t");
- debug_printf("%f ", *(float *)data); data += sizeof(float);
- debug_printf("%f ", *(float *)data); data += sizeof(float);
- debug_printf("%f ", *(float *)data); data += sizeof(float);
- data += sizeof(float);
- break;
- case EMIT_4F:
- debug_printf("EMIT_4F:\t");
- debug_printf("%f ", *(float *)data); data += sizeof(float);
- debug_printf("%f ", *(float *)data); data += sizeof(float);
- debug_printf("%f ", *(float *)data); data += sizeof(float);
- debug_printf("%f ", *(float *)data); data += sizeof(float);
- break;
- case EMIT_4UB:
- debug_printf("EMIT_4UB:\t");
- debug_printf("%u ", *data++);
- debug_printf("%u ", *data++);
- debug_printf("%u ", *data++);
- debug_printf("%u ", *data++);
- break;
- default:
- assert(0);
- }
- debug_printf("\n");
- }
- debug_printf("\n");
-}
-#endif
-
-
-/**
- * Extract the needed fields from post-transformed vertex and emit
- * a hardware(driver) vertex.
- * Recall that the vertices are constructed by the 'draw' module and
- * have a couple of slots at the beginning (1-dword header, 4-dword
- * clip pos) that we ignore here. We only use the vertex->data[] fields.
- */
-static INLINE void
-emit_vertex( struct vbuf_stage *vbuf,
- struct vertex_header *vertex )
-{
-#if 0
- debug_printf("emit vertex %d to %p\n",
- vbuf->nr_vertices, vbuf->vertex_ptr);
-#endif
-
- if(vertex->vertex_id != UNDEFINED_VERTEX_ID) {
- if(vertex->vertex_id < vbuf->nr_vertices)
- return;
- else
- debug_printf("Bad vertex id 0x%04x (>= 0x%04x)\n",
- vertex->vertex_id, vbuf->nr_vertices);
- return;
- }
-
- vertex->vertex_id = vbuf->nr_vertices++;
-
- if(!vbuf->vf) {
- const struct vertex_info *vinfo = vbuf->vinfo;
- uint i;
- uint count = 0; /* for debug/sanity */
-
- assert(vinfo == vbuf->render->get_vertex_info(vbuf->render));
-
- for (i = 0; i < vinfo->num_attribs; i++) {
- uint j = vinfo->src_index[i];
- switch (vinfo->emit[i]) {
- case EMIT_OMIT:
- /* no-op */
- break;
- case EMIT_ALL:
- /* just copy the whole vertex as-is to the vbuf */
- assert(i == 0);
- assert(j == 0);
- memcpy(vbuf->vertex_ptr, vertex, vinfo->size * 4);
- vbuf->vertex_ptr += vinfo->size;
- count += vinfo->size;
- break;
- case EMIT_1F:
- *vbuf->vertex_ptr++ = fui(vertex->data[j][0]);
- count++;
- break;
- case EMIT_1F_PSIZE:
- *vbuf->vertex_ptr++ = fui(vbuf->stage.draw->rasterizer->point_size);
- count++;
- break;
- case EMIT_2F:
- *vbuf->vertex_ptr++ = fui(vertex->data[j][0]);
- *vbuf->vertex_ptr++ = fui(vertex->data[j][1]);
- count += 2;
- break;
- case EMIT_3F:
- *vbuf->vertex_ptr++ = fui(vertex->data[j][0]);
- *vbuf->vertex_ptr++ = fui(vertex->data[j][1]);
- *vbuf->vertex_ptr++ = fui(vertex->data[j][2]);
- count += 3;
- break;
- case EMIT_4F:
- *vbuf->vertex_ptr++ = fui(vertex->data[j][0]);
- *vbuf->vertex_ptr++ = fui(vertex->data[j][1]);
- *vbuf->vertex_ptr++ = fui(vertex->data[j][2]);
- *vbuf->vertex_ptr++ = fui(vertex->data[j][3]);
- count += 4;
- break;
- case EMIT_4UB:
- *vbuf->vertex_ptr++ = pack_ub4(float_to_ubyte( vertex->data[j][2] ),
- float_to_ubyte( vertex->data[j][1] ),
- float_to_ubyte( vertex->data[j][0] ),
- float_to_ubyte( vertex->data[j][3] ));
- count += 1;
- break;
- default:
- assert(0);
- }
- }
- assert(count == vinfo->size);
-#if 0
- {
- static float data[256];
- draw_vf_emit_vertex(vbuf->vf, vertex, data);
- if(memcmp((uint8_t *)vbuf->vertex_ptr - vbuf->vertex_size, data, vbuf->vertex_size)) {
- debug_printf("With VF:\n");
- dump_emitted_vertex(vbuf->vinfo, (uint8_t *)data);
- debug_printf("Without VF:\n");
- dump_emitted_vertex(vbuf->vinfo, (uint8_t *)vbuf->vertex_ptr - vbuf->vertex_size);
- assert(0);
- }
- }
-#endif
- }
- else {
- draw_vf_emit_vertex(vbuf->vf, vertex, vbuf->vertex_ptr);
-
- vbuf->vertex_ptr += vbuf->vertex_size/4;
- }
-}
-
-
-static void
-vbuf_tri( struct draw_stage *stage,
- struct prim_header *prim )
-{
- struct vbuf_stage *vbuf = vbuf_stage( stage );
- unsigned i;
-
- check_space( vbuf, 3 );
-
- for (i = 0; i < 3; i++) {
- emit_vertex( vbuf, prim->v[i] );
-
- vbuf->indices[vbuf->nr_indices++] = (ushort) prim->v[i]->vertex_id;
- }
-}
-
-
-static void
-vbuf_line( struct draw_stage *stage,
- struct prim_header *prim )
-{
- struct vbuf_stage *vbuf = vbuf_stage( stage );
- unsigned i;
-
- check_space( vbuf, 2 );
-
- for (i = 0; i < 2; i++) {
- emit_vertex( vbuf, prim->v[i] );
-
- vbuf->indices[vbuf->nr_indices++] = (ushort) prim->v[i]->vertex_id;
- }
-}
-
-
-static void
-vbuf_point( struct draw_stage *stage,
- struct prim_header *prim )
-{
- struct vbuf_stage *vbuf = vbuf_stage( stage );
-
- check_space( vbuf, 1 );
-
- emit_vertex( vbuf, prim->v[0] );
-
- vbuf->indices[vbuf->nr_indices++] = (ushort) prim->v[0]->vertex_id;
-}
-
-
-/**
- * Set the prim type for subsequent vertices.
- * This may result in a new vertex size. The existing vbuffer (if any)
- * will be flushed if needed and a new one allocated.
- */
-static void
-vbuf_set_prim( struct vbuf_stage *vbuf, uint newprim )
-{
- const struct vertex_info *vinfo;
- unsigned vertex_size;
-
- assert(newprim == PIPE_PRIM_POINTS ||
- newprim == PIPE_PRIM_LINES ||
- newprim == PIPE_PRIM_TRIANGLES);
-
- vbuf->prim = newprim;
- vbuf->render->set_primitive(vbuf->render, newprim);
-
- vinfo = vbuf->render->get_vertex_info(vbuf->render);
- vertex_size = vinfo->size * sizeof(float);
-
- if (vertex_size != vbuf->vertex_size)
- vbuf_flush_vertices(vbuf);
-
- vbuf->vinfo = vinfo;
- vbuf->vertex_size = vertex_size;
- if(vbuf->vf)
- draw_vf_set_vertex_info(vbuf->vf,
- vbuf->vinfo,
- vbuf->stage.draw->rasterizer->point_size);
-
- if (!vbuf->vertices)
- vbuf_alloc_vertices(vbuf);
-}
-
-
-static void
-vbuf_first_tri( struct draw_stage *stage,
- struct prim_header *prim )
-{
- struct vbuf_stage *vbuf = vbuf_stage( stage );
-
- vbuf_flush_indices( vbuf );
- stage->tri = vbuf_tri;
- vbuf_set_prim(vbuf, PIPE_PRIM_TRIANGLES);
- stage->tri( stage, prim );
-}
-
-
-static void
-vbuf_first_line( struct draw_stage *stage,
- struct prim_header *prim )
-{
- struct vbuf_stage *vbuf = vbuf_stage( stage );
-
- vbuf_flush_indices( vbuf );
- stage->line = vbuf_line;
- vbuf_set_prim(vbuf, PIPE_PRIM_LINES);
- stage->line( stage, prim );
-}
-
-
-static void
-vbuf_first_point( struct draw_stage *stage,
- struct prim_header *prim )
-{
- struct vbuf_stage *vbuf = vbuf_stage( stage );
-
- vbuf_flush_indices( vbuf );
- stage->point = vbuf_point;
- vbuf_set_prim(vbuf, PIPE_PRIM_POINTS);
- stage->point( stage, prim );
-}
-
-
-static void
-vbuf_flush_indices( struct vbuf_stage *vbuf )
-{
- if(!vbuf->nr_indices)
- return;
-
- assert((uint) (vbuf->vertex_ptr - vbuf->vertices) ==
- vbuf->nr_vertices * vbuf->vertex_size / sizeof(unsigned));
-
- switch(vbuf->prim) {
- case PIPE_PRIM_POINTS:
- break;
- case PIPE_PRIM_LINES:
- assert(vbuf->nr_indices % 2 == 0);
- break;
- case PIPE_PRIM_TRIANGLES:
- assert(vbuf->nr_indices % 3 == 0);
- break;
- default:
- assert(0);
- }
-
- vbuf->render->draw(vbuf->render, vbuf->indices, vbuf->nr_indices);
-
- vbuf->nr_indices = 0;
-
- /* don't need to reset point/line/tri functions */
-#if 0
- stage->point = vbuf_first_point;
- stage->line = vbuf_first_line;
- stage->tri = vbuf_first_tri;
-#endif
-}
-
-
-/**
- * Flush existing vertex buffer and allocate a new one.
- *
- * XXX: We separate flush-on-index-full and flush-on-vb-full, but may
- * raise issues uploading vertices if the hardware wants to flush when
- * we flush.
- */
-static void
-vbuf_flush_vertices( struct vbuf_stage *vbuf )
-{
- if(vbuf->vertices) {
- vbuf_flush_indices(vbuf);
-
- /* Reset temporary vertices ids */
- if(vbuf->nr_vertices)
- draw_reset_vertex_ids( vbuf->stage.draw );
-
- /* Free the vertex buffer */
- vbuf->render->release_vertices(vbuf->render,
- vbuf->vertices,
- vbuf->vertex_size,
- vbuf->nr_vertices);
- vbuf->max_vertices = vbuf->nr_vertices = 0;
- vbuf->vertex_ptr = vbuf->vertices = NULL;
-
- }
-}
-
-
-static void
-vbuf_alloc_vertices( struct vbuf_stage *vbuf )
-{
- assert(!vbuf->nr_indices);
- assert(!vbuf->vertices);
-
- /* Allocate a new vertex buffer */
- vbuf->max_vertices = vbuf->render->max_vertex_buffer_bytes / vbuf->vertex_size;
- vbuf->vertices = (uint *) vbuf->render->allocate_vertices(vbuf->render,
- (ushort) vbuf->vertex_size,
- (ushort) vbuf->max_vertices);
- vbuf->vertex_ptr = vbuf->vertices;
-}
-
-
-
-static void
-vbuf_flush( struct draw_stage *stage, unsigned flags )
-{
- struct vbuf_stage *vbuf = vbuf_stage( stage );
-
- vbuf_flush_indices( vbuf );
-
- stage->point = vbuf_first_point;
- stage->line = vbuf_first_line;
- stage->tri = vbuf_first_tri;
-
- if (flags & DRAW_FLUSH_BACKEND)
- vbuf_flush_vertices( vbuf );
-}
-
-
-static void
-vbuf_reset_stipple_counter( struct draw_stage *stage )
-{
- /* XXX: Need to do something here for hardware with linestipple.
- */
- (void) stage;
-}
-
-
-static void vbuf_destroy( struct draw_stage *stage )
-{
- struct vbuf_stage *vbuf = vbuf_stage( stage );
-
- if(vbuf->indices)
- align_free( vbuf->indices );
-
- if(vbuf->vf)
- draw_vf_destroy( vbuf->vf );
-
- FREE( stage );
-}
-
-
-/**
- * Create a new primitive vbuf/render stage.
- */
-struct draw_stage *draw_vbuf_stage( struct draw_context *draw,
- struct vbuf_render *render )
-{
- struct vbuf_stage *vbuf = CALLOC_STRUCT(vbuf_stage);
-
- if(!vbuf)
- return NULL;
-
- vbuf->stage.draw = draw;
- vbuf->stage.point = vbuf_first_point;
- vbuf->stage.line = vbuf_first_line;
- vbuf->stage.tri = vbuf_first_tri;
- vbuf->stage.flush = vbuf_flush;
- vbuf->stage.reset_stipple_counter = vbuf_reset_stipple_counter;
- vbuf->stage.destroy = vbuf_destroy;
-
- vbuf->render = render;
-
- assert(render->max_indices < UNDEFINED_VERTEX_ID);
- vbuf->max_indices = render->max_indices;
- vbuf->indices = (ushort *)
- align_malloc( vbuf->max_indices * sizeof(vbuf->indices[0]), 16 );
- if(!vbuf->indices)
- vbuf_destroy(&vbuf->stage);
-
- vbuf->vertices = NULL;
- vbuf->vertex_ptr = vbuf->vertices;
-
- vbuf->prim = ~0;
-
- if(!GETENV("GALLIUM_NOVF"))
- vbuf->vf = draw_vf_create();
-
- return &vbuf->stage;
-}
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