* \file
* Vertex buffer drawing stage.
*
- * \author José Fonseca <jrfonsec@tungstengraphics.com>
+ * \author Jose Fonseca <jrfonsec@tungstengraphics.com>
* \author Keith Whitwell <keith@tungstengraphics.com>
*/
-#include "pipe/p_debug.h"
+#include "util/u_debug.h"
#include "util/u_math.h"
#include "util/u_memory.h"
}
-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 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_vertices + nr > vbuf->max_vertices ||
+ vbuf->nr_indices + nr > vbuf->max_indices)
+ {
+ vbuf_flush_vertices( vbuf );
+ vbuf_alloc_vertices( vbuf );
}
-
- if (vbuf->nr_indices + nr > vbuf->max_indices )
- vbuf_flush_indices(vbuf);
}
*/
/* Note: we really do want data[0] here, not data[pos]:
*/
- vbuf->translate->set_buffer(vbuf->translate, 0, vertex->data[0], 0);
- vbuf->translate->run(vbuf->translate, 0, 1, vbuf->vertex_ptr);
+ vbuf->translate->set_buffer(vbuf->translate, 0, vertex->data[0], 0, ~0);
+ vbuf->translate->run(vbuf->translate, 0, 1, 0, vbuf->vertex_ptr);
if (0) draw_dump_emitted_vertex(vbuf->vinfo, (uint8_t *)vbuf->vertex_ptr);
check_space( vbuf, 3 );
- for (i = 0; i < 3; i++) {
- vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[i] );
+ if (vbuf->stage.draw->rasterizer->flatshade_first) {
+ /* Put provoking vertex in position expected by the driver.
+ * Emit last provoking vertex in first pos.
+ * Swap verts 0 & 1 to preserve polygon winding.
+ */
+ vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[2] );
+ vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[0] );
+ vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[1] );
+ }
+ else {
+ for (i = 0; i < 3; i++) {
+ vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[i] );
+ }
}
}
* will be flushed if needed and a new one allocated.
*/
static void
-vbuf_set_prim( struct vbuf_stage *vbuf, uint prim )
+vbuf_start_prim( struct vbuf_stage *vbuf, uint prim )
{
struct translate_key hw_key;
unsigned dst_offset;
* state change.
*/
vbuf->vinfo = vbuf->render->get_vertex_info(vbuf->render);
-
- if (vbuf->vertex_size != vbuf->vinfo->size * sizeof(float)) {
- vbuf_flush_vertices(vbuf);
- vbuf->vertex_size = vbuf->vinfo->size * sizeof(float);
- }
+ vbuf->vertex_size = vbuf->vinfo->size * sizeof(float);
/* Translate from pipeline vertices to hw vertices.
*/
for (i = 0; i < vbuf->vinfo->num_attribs; i++) {
unsigned emit_sz = 0;
unsigned src_buffer = 0;
- unsigned output_format;
+ enum pipe_format output_format;
unsigned src_offset = (vbuf->vinfo->attrib[i].src_index * 4 * sizeof(float) );
- switch (vbuf->vinfo->attrib[i].emit) {
- case EMIT_4F:
- output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
- emit_sz = 4 * sizeof(float);
- break;
- case EMIT_3F:
- output_format = PIPE_FORMAT_R32G32B32_FLOAT;
- emit_sz = 3 * sizeof(float);
- break;
- case EMIT_2F:
- output_format = PIPE_FORMAT_R32G32_FLOAT;
- emit_sz = 2 * sizeof(float);
- break;
- case EMIT_1F:
- output_format = PIPE_FORMAT_R32_FLOAT;
- emit_sz = 1 * sizeof(float);
- break;
- case EMIT_1F_PSIZE:
- output_format = PIPE_FORMAT_R32_FLOAT;
- emit_sz = 1 * sizeof(float);
+ output_format = draw_translate_vinfo_format(vbuf->vinfo->attrib[i].emit);
+ emit_sz = draw_translate_vinfo_size(vbuf->vinfo->attrib[i].emit);
+
+ /* doesn't handle EMIT_OMIT */
+ assert(emit_sz != 0);
+
+ if (vbuf->vinfo->attrib[i].emit == EMIT_1F_PSIZE) {
src_buffer = 1;
src_offset = 0;
- break;
- case EMIT_4UB:
- output_format = PIPE_FORMAT_B8G8R8A8_UNORM;
- emit_sz = 4 * sizeof(ubyte);
- break;
- default:
- assert(0);
- output_format = PIPE_FORMAT_NONE;
- emit_sz = 0;
- break;
}
-
+
+ hw_key.element[i].type = TRANSLATE_ELEMENT_NORMAL;
hw_key.element[i].input_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
hw_key.element[i].input_buffer = src_buffer;
hw_key.element[i].input_offset = src_offset;
+ hw_key.element[i].instance_divisor = 0;
hw_key.element[i].output_format = output_format;
hw_key.element[i].output_offset = dst_offset;
translate_key_sanitize(&hw_key);
vbuf->translate = translate_cache_find(vbuf->cache, &hw_key);
- vbuf->translate->set_buffer(vbuf->translate, 1, &vbuf->point_size, 0);
+ vbuf->translate->set_buffer(vbuf->translate, 1, &vbuf->point_size, 0, ~0);
}
vbuf->point_size = vbuf->stage.draw->rasterizer->point_size;
/* Allocate new buffer?
*/
- if (!vbuf->vertices)
- vbuf_alloc_vertices(vbuf);
+ assert(vbuf->vertices == NULL);
+ vbuf_alloc_vertices(vbuf);
}
{
struct vbuf_stage *vbuf = vbuf_stage( stage );
- vbuf_flush_indices( vbuf );
+ vbuf_flush_vertices( vbuf );
+ vbuf_start_prim(vbuf, PIPE_PRIM_TRIANGLES);
stage->tri = vbuf_tri;
- vbuf_set_prim(vbuf, PIPE_PRIM_TRIANGLES);
stage->tri( stage, prim );
}
{
struct vbuf_stage *vbuf = vbuf_stage( stage );
- vbuf_flush_indices( vbuf );
+ vbuf_flush_vertices( vbuf );
+ vbuf_start_prim(vbuf, PIPE_PRIM_LINES);
stage->line = vbuf_line;
- vbuf_set_prim(vbuf, PIPE_PRIM_LINES);
stage->line( stage, prim );
}
{
struct vbuf_stage *vbuf = vbuf_stage( stage );
- vbuf_flush_indices( vbuf );
+ vbuf_flush_vertices(vbuf);
+ vbuf_start_prim(vbuf, PIPE_PRIM_POINTS);
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));
-
- vbuf->render->draw(vbuf->render, vbuf->indices, vbuf->nr_indices);
-
- vbuf->nr_indices = 0;
-}
-
/**
* 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);
-
+ if(vbuf->vertices) {
+
+ vbuf->render->unmap_vertices( vbuf->render, 0, vbuf->nr_vertices - 1 );
+
+ if (vbuf->nr_indices)
+ {
+ vbuf->render->draw(vbuf->render,
+ vbuf->indices,
+ vbuf->nr_indices );
+
+ vbuf->nr_indices = 0;
+ }
+
/* 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->render->release_vertices( vbuf->render );
+
vbuf->max_vertices = vbuf->nr_vertices = 0;
vbuf->vertex_ptr = vbuf->vertices = NULL;
-
}
}
* and it will flush itself if necessary to do so. If this does
* fail, we are basically without usable hardware.
*/
- vbuf->vertices = (uint *) vbuf->render->allocate_vertices(vbuf->render,
- (ushort) vbuf->vertex_size,
- (ushort) vbuf->max_vertices);
+ vbuf->render->allocate_vertices(vbuf->render,
+ (ushort) vbuf->vertex_size,
+ (ushort) vbuf->max_vertices);
+
+ vbuf->vertices = (uint *) vbuf->render->map_vertices( vbuf->render );
+
vbuf->vertex_ptr = vbuf->vertices;
}
{
struct vbuf_stage *vbuf = vbuf_stage( stage );
- vbuf_flush_indices( vbuf );
+ vbuf_flush_vertices( 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 );
}
goto fail;
vbuf->stage.draw = draw;
+ vbuf->stage.name = "vbuf";
vbuf->stage.point = vbuf_first_point;
vbuf->stage.line = vbuf_first_line;
vbuf->stage.tri = vbuf_first_tri;
projects / mesa.git / blobdiff