/* XXX: Shouldn't those two functions below use the '>' operator???
*/
-
-static boolean too_many_verts( struct draw_context *draw,
- unsigned verts )
+static boolean too_many_elts( struct draw_context *draw,
+ unsigned elts )
{
- return verts < 1024;
+ return elts > (8 * 1024);
}
-static boolean too_many_elts( struct draw_context *draw,
- unsigned elts )
+static INLINE unsigned reduced_prim(unsigned prim)
{
- return elts < (16 * 1024);
+ /*FIXME*/
+ return prim;
}
+static INLINE boolean good_prim(unsigned prim)
+{
+ /*FIXME*/
+ return FALSE;
+}
boolean
draw_pt_arrays(struct draw_context *draw,
struct draw_pt_front_end *frontend = NULL;
struct draw_pt_middle_end *middle = NULL;
+ if (!draw->render)
+ return FALSE;
+ /*debug_printf("XXXXXXXXXX needs_pipeline = %d\n", pipeline);*/
/* Overall we do:
* - frontend -- prepare fetch_elts, draw_elts - eg vcache
*/
middle = draw->pt.middle.fetch_pipeline;
}
-#if 0
else if (!cliptest && !pipeline) {
/* Fetch user verts, run vertex shader, emit hw verts:
*/
*/
middle = draw->pt.middle.fetch_shade_cliptest_pipeline_or_emit;
}
- else if (!cliptest) {
- /* Fetch user verts, run vertex shader, run pipeline:
- */
- middle = draw->pt.middle.fetch_shade_pipeline;
- }
else {
/* This is what we're currently always doing:
*/
- /* Fetch user verts, run vertex shader, cliptest, run pipeline:
+ /* Fetch user verts, run vertex shader, cliptest, run pipeline
+ * or
+ * Fetch user verts, run vertex shader, run pipeline
*/
- middle = draw->pt.middle.fetch_shade_cliptest_pipeline;
- }
-#else
- else {
- return FALSE;
+ middle = draw->pt.middle.fetch_shade_cliptest_pipeline_or_emit;
}
-#endif
/* If !pipeline, need to make sure we respect the driver's limited
frontend = draw->pt.front.vcache;
hw_prim = reduced_prim(prim);
}
-
+#if 0
if (too_many_verts(nr_verts)) {
/* if (is_verts(draw) && can_split(prim)) {
draw = draw_arrays_split;
hw_prim = reduced_prim(prim);
}
}
+#endif
if (too_many_elts(count)) {
}
if (!good_prim(hw_prim)) {
- draw = draw->pt.front.vcache;
+ frontend = draw->pt.front.vcache;
}
}
#else
if (!draw->pt.middle.fetch_pipeline)
return FALSE;
+ draw->pt.middle.fetch_shade_cliptest_pipeline_or_emit =
+ draw_pt_fetch_pipeline_or_emit( draw );
+ if (!draw->pt.middle.fetch_shade_cliptest_pipeline_or_emit)
+ return FALSE;
+
draw->pt.front.vcache = draw_pt_vcache( draw );
if (!draw->pt.front.vcache)
return FALSE;
draw->pt.middle.fetch_pipeline = NULL;
}
+ if (draw->pt.middle.fetch_shade_cliptest_pipeline_or_emit) {
+ draw->pt.middle.fetch_shade_cliptest_pipeline_or_emit->destroy(
+ draw->pt.middle.fetch_shade_cliptest_pipeline_or_emit );
+ draw->pt.middle.fetch_shade_cliptest_pipeline_or_emit = NULL;
+ }
+
if (draw->pt.front.vcache) {
draw->pt.front.vcache->destroy( draw->pt.front.vcache );
draw->pt.front.vcache = NULL;
--- /dev/null
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#include "pipe/p_util.h"
+#include "draw/draw_context.h"
+#include "draw/draw_private.h"
+#include "draw/draw_vbuf.h"
+#include "draw/draw_vertex.h"
+#include "draw/draw_pt.h"
+
+struct fetch_pipeline_middle_end {
+ struct draw_pt_middle_end base;
+ struct draw_context *draw;
+
+ struct {
+ const ubyte *ptr;
+ unsigned pitch;
+ void (*fetch)( const void *from, float *attrib);
+ void (*emit)( const float *attrib, float **out );
+ } fetch[PIPE_MAX_ATTRIBS];
+
+ unsigned nr_fetch;
+ unsigned pipeline_vertex_size;
+ unsigned hw_vertex_size;
+ unsigned prim;
+};
+
+static void emit_R32_FLOAT( const float *attrib,
+ float **out )
+{
+ (*out)[0] = attrib[0];
+ (*out) += 1;
+}
+
+static void emit_R32G32_FLOAT( const float *attrib,
+ float **out )
+{
+ (*out)[0] = attrib[0];
+ (*out)[1] = attrib[1];
+ (*out) += 2;
+}
+
+static void emit_R32G32B32_FLOAT( const float *attrib,
+ float **out )
+{
+ (*out)[0] = attrib[0];
+ (*out)[1] = attrib[1];
+ (*out)[2] = attrib[2];
+ (*out) += 3;
+}
+
+static void emit_R32G32B32A32_FLOAT( const float *attrib,
+ float **out )
+{
+ (*out)[0] = attrib[0];
+ (*out)[1] = attrib[1];
+ (*out)[2] = attrib[2];
+ (*out)[3] = attrib[3];
+ (*out) += 4;
+}
+
+static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle,
+ unsigned prim )
+{
+ struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
+ struct draw_context *draw = fpme->draw;
+ unsigned i, nr = 0;
+ boolean ok;
+ const struct vertex_info *vinfo;
+
+ fpme->prim = prim;
+
+ ok = draw->render->set_primitive(draw->render, prim);
+ if (!ok) {
+ assert(0);
+ return;
+ }
+ /* Must do this after set_primitive() above:
+ */
+ vinfo = draw->render->get_vertex_info(draw->render);
+
+ /* Need to look at vertex shader inputs (we know it is a
+ * passthrough shader, so these define the outputs too). If we
+ * were running a shader, we'd still be looking at the inputs at
+ * this point.
+ */
+ for (i = 0; i < draw->vertex_shader->info.num_inputs; i++) {
+ unsigned buf = draw->vertex_element[i].vertex_buffer_index;
+ enum pipe_format format = draw->vertex_element[i].src_format;
+
+ fpme->fetch[nr].ptr = ((const ubyte *) draw->user.vbuffer[buf] +
+ draw->vertex_buffer[buf].buffer_offset +
+ draw->vertex_element[i].src_offset);
+
+ fpme->fetch[nr].pitch = draw->vertex_buffer[buf].pitch;
+ fpme->fetch[nr].fetch = draw_get_fetch_func( format );
+
+ /* Always do this -- somewhat redundant...
+ */
+ fpme->fetch[nr].emit = emit_R32G32B32A32_FLOAT;
+ nr++;
+ }
+
+ fpme->nr_fetch = nr;
+ //fpme->pipeline_vertex_size = sizeof(struct vertex_header) + nr * 4 * sizeof(float);
+ fpme->pipeline_vertex_size = (MAX_VERTEX_SIZE + 0x0f) & ~0x0f;
+ fpme->hw_vertex_size = vinfo->size * 4;
+}
+
+
+
+
+static void fetch_pipeline_run( struct draw_pt_middle_end *middle,
+ const unsigned *fetch_elts,
+ unsigned fetch_count,
+ const ushort *draw_elts,
+ unsigned draw_count )
+{
+ struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
+ struct draw_context *draw = fpme->draw;
+ struct draw_vertex_shader *shader = draw->vertex_shader;
+ char *pipeline_verts;
+ unsigned i;
+
+ //debug_printf("fc = %d, VS = %d\n", fetch_count, VS_QUEUE_LENGTH);
+ if (fetch_count < VS_QUEUE_LENGTH) {
+ pipeline_verts = draw->vs.vertex_cache;
+ } else {
+ pipeline_verts = MALLOC(fpme->pipeline_vertex_size *
+ fetch_count);
+ }
+
+ if (!pipeline_verts) {
+ assert(0);
+ return;
+ }
+
+ /*FIXME: this init phase should go away */
+ for (i = 0; i < fetch_count; ++i) {
+ struct vertex_header *header =
+ (struct vertex_header*)(pipeline_verts + (fpme->pipeline_vertex_size * i));
+ header->clipmask = 0;
+ header->edgeflag = draw_get_edgeflag(draw, i);
+ header->pad = 0;
+ header->vertex_id = UNDEFINED_VERTEX_ID;
+ }
+
+ /* Shade
+ */
+ shader->prepare(shader, draw);
+ if (shader->run(shader, draw, fetch_elts, fetch_count, pipeline_verts)) {
+ /* Run the pipeline */
+ draw_pt_run_pipeline( fpme->draw,
+ fpme->prim,
+ pipeline_verts,
+ fpme->pipeline_vertex_size,
+ fetch_count,
+ draw_elts,
+ draw_count );
+ } else {
+ unsigned i, j;
+ void *hw_verts;
+ float *out;
+
+ hw_verts = draw->render->allocate_vertices(draw->render,
+ (ushort)fpme->hw_vertex_size,
+ (ushort)fetch_count);
+ if (!hw_verts) {
+ assert(0);
+ return;
+ }
+
+ out = (float *)hw_verts;
+ for (i = 0; i < fetch_count; i++) {
+ struct vertex_header *header =
+ (struct vertex_header*)(pipeline_verts + (fpme->pipeline_vertex_size * i));
+
+ for (j = 0; j < fpme->nr_fetch; j++) {
+ float *attrib = header->data[j];
+ /*debug_printf("emiting [%f, %f, %f, %f]\n",
+ attrib[0], attrib[1],
+ attrib[2], attrib[3]);*/
+ fpme->fetch[j].emit(attrib, &out);
+ }
+ }
+ /* XXX: Draw arrays path to avoid re-emitting index list again and
+ * again.
+ */
+ draw->render->draw(draw->render,
+ draw_elts,
+ draw_count);
+
+ draw->render->release_vertices(draw->render,
+ hw_verts,
+ fpme->hw_vertex_size,
+ fetch_count);
+ }
+
+
+ if (pipeline_verts != draw->vs.vertex_cache)
+ FREE(pipeline_verts);
+}
+
+
+
+static void fetch_pipeline_finish( struct draw_pt_middle_end *middle )
+{
+ /* nothing to do */
+}
+
+static void fetch_pipeline_destroy( struct draw_pt_middle_end *middle )
+{
+ FREE(middle);
+}
+
+
+struct draw_pt_middle_end *draw_pt_fetch_pipeline_or_emit( struct draw_context *draw )
+{
+ struct fetch_pipeline_middle_end *fetch_pipeline = CALLOC_STRUCT( fetch_pipeline_middle_end );
+
+ fetch_pipeline->base.prepare = fetch_pipeline_prepare;
+ fetch_pipeline->base.run = fetch_pipeline_run;
+ fetch_pipeline->base.finish = fetch_pipeline_finish;
+ fetch_pipeline->base.destroy = fetch_pipeline_destroy;
+
+ fetch_pipeline->draw = draw;
+
+ return &fetch_pipeline->base;
+}
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