*/
-#include "pipe/p_util.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
#include "draw/draw_context.h"
#include "draw/draw_private.h"
#include "draw/draw_vbuf.h"
static void fse_prepare( struct draw_pt_middle_end *middle,
unsigned prim,
- unsigned opt )
+ unsigned opt,
+ unsigned *max_vertices )
{
struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle;
struct draw_context *draw = fse->draw;
unsigned num_vs_inputs = draw->vs.vertex_shader->info.num_inputs;
const struct vertex_info *vinfo;
unsigned i;
+ unsigned nr_vbs = 0;
if (!draw->render->set_primitive( draw->render,
fse->key.nr_elements = MAX2(fse->key.nr_outputs, /* outputs - translate to hw format */
fse->key.nr_inputs); /* inputs - fetch from api format */
- fse->key.viewport = !draw->identity_viewport;
+ fse->key.viewport = (!draw->rasterizer->bypass_vs_clip_and_viewport &&
+ !draw->identity_viewport);
fse->key.clip = !draw->bypass_clipping;
- fse->key.pad = 0;
+ fse->key.const_vbuffers = 0;
memset(fse->key.element, 0,
fse->key.nr_elements * sizeof(fse->key.element[0]));
*/
fse->key.element[i].in.buffer = src->vertex_buffer_index;
fse->key.element[i].in.offset = src->src_offset;
+ nr_vbs = MAX2(nr_vbs, src->vertex_buffer_index + 1);
}
+ for (i = 0; i < 5 && i < nr_vbs; i++) {
+ if (draw->pt.vertex_buffer[i].stride == 0)
+ fse->key.const_vbuffers |= (1<<i);
+ }
+ if (0) debug_printf("%s: lookup const_vbuffers: %x\n", __FUNCTION__, fse->key.const_vbuffers);
+
{
unsigned dst_offset = 0;
for (i = 0; i < vinfo->num_attribs; i++) {
unsigned emit_sz = 0;
- switch (vinfo->emit[i]) {
+ switch (vinfo->attrib[i].emit) {
case EMIT_4F:
emit_sz = 4 * sizeof(float);
break;
* numbers, not to positions in the hw vertex description --
* that's handled by the output_offset field.
*/
- fse->key.element[i].out.format = vinfo->emit[i];
- fse->key.element[i].out.vs_output = vinfo->src_index[i];
+ fse->key.element[i].out.format = vinfo->attrib[i].emit;
+ fse->key.element[i].out.vs_output = vinfo->attrib[i].src_index;
fse->key.element[i].out.offset = dst_offset;
dst_offset += emit_sz;
}
}
-
- /* Would normally look up a vertex shader and peruse its list of
- * varients somehow. We omitted that step and put all the
- * hardcoded "shaders" into an array. We're just making the
- * assumption that this happens to be a matching shader... ie
- * you're running isosurf, aren't you?
- */
+
fse->active = draw_vs_lookup_varient( draw->vs.vertex_shader,
&fse->key );
return ;
}
+ if (0) debug_printf("%s: found const_vbuffers: %x\n", __FUNCTION__,
+ fse->active->key.const_vbuffers);
+
/* Now set buffer pointers:
*/
- for (i = 0; i < num_vs_inputs; i++) {
- unsigned buf = draw->pt.vertex_element[i].vertex_buffer_index;
-
- fse->active->set_input( fse->active,
- i,
-
- ((const ubyte *) draw->pt.user.vbuffer[buf] +
- draw->pt.vertex_buffer[buf].buffer_offset),
-
- draw->pt.vertex_buffer[buf].pitch );
+ for (i = 0; i < draw->pt.nr_vertex_buffers; i++) {
+ fse->active->set_buffer( fse->active,
+ i,
+ ((const ubyte *) draw->pt.user.vbuffer[i] +
+ draw->pt.vertex_buffer[i].buffer_offset),
+ draw->pt.vertex_buffer[i].stride );
}
- fse->active->set_constants( fse->active,
- (const float (*)[4])draw->pt.user.constants );
+ *max_vertices = (draw->render->max_vertex_buffer_bytes /
+ (vinfo->size * 4));
- fse->active->set_viewport( fse->active,
- &draw->viewport );
+ /* Return an even number of verts.
+ * This prevents "parity" errors when splitting long triangle strips which
+ * can lead to front/back culling mix-ups.
+ * Every other triangle in a strip has an alternate front/back orientation
+ * so splitting at an odd position can cause the orientation of subsequent
+ * triangles to get reversed.
+ */
+ *max_vertices = *max_vertices & ~1;
+
+ /* Probably need to do this somewhere (or fix exec shader not to
+ * need it):
+ */
+ if (1) {
+ struct draw_vertex_shader *vs = draw->vs.vertex_shader;
+ vs->prepare(vs, draw);
+ }
+
//return TRUE;
}
{
struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle;
struct draw_context *draw = fse->draw;
- unsigned alloc_count = align(count, 4);
char *hw_verts;
/* XXX: need to flush to get prim_vbuf.c to release its allocation??
*/
draw_do_flush( draw, DRAW_FLUSH_BACKEND );
- hw_verts = draw->render->allocate_vertices( draw->render,
- (ushort)fse->key.output_stride,
- (ushort)alloc_count );
+ if (count >= UNDEFINED_VERTEX_ID)
+ goto fail;
- if (!hw_verts) {
- assert(0);
- return;
- }
+ if (!draw->render->allocate_vertices( draw->render,
+ (ushort)fse->key.output_stride,
+ (ushort)count ))
+ goto fail;
+
+ hw_verts = draw->render->map_vertices( draw->render );
+ if (!hw_verts)
+ goto fail;
/* Single routine to fetch vertices, run shader and emit HW verts.
* Clipping is done elsewhere -- either by the API or on hardware,
start, count,
hw_verts );
- /* Draw arrays path to avoid re-emitting index list again and
- * again.
- */
- draw->render->draw_arrays( draw->render,
- 0,
- count );
-
+
if (0) {
unsigned i;
for (i = 0; i < count; i++) {
(const uint8_t *)hw_verts + fse->key.output_stride * i );
}
}
+
+ draw->render->unmap_vertices( draw->render, 0, (ushort)(count - 1) );
+
+ /* Draw arrays path to avoid re-emitting index list again and
+ * again.
+ */
+ draw->render->draw_arrays( draw->render,
+ 0,
+ count );
+
+ draw->render->release_vertices( draw->render );
- draw->render->release_vertices( draw->render,
- hw_verts,
- fse->key.output_stride,
- count );
+ return;
+
+fail:
+ assert(0);
+ return;
}
{
struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle;
struct draw_context *draw = fse->draw;
- unsigned alloc_count = align(fetch_count, 4);
void *hw_verts;
/* XXX: need to flush to get prim_vbuf.c to release its allocation??
*/
draw_do_flush( draw, DRAW_FLUSH_BACKEND );
- hw_verts = draw->render->allocate_vertices( draw->render,
- (ushort)fse->key.output_stride,
- (ushort)alloc_count );
- if (!hw_verts) {
- assert(0);
- return;
- }
+ if (fetch_count >= UNDEFINED_VERTEX_ID)
+ goto fail;
+
+ if (!draw->render->allocate_vertices( draw->render,
+ (ushort)fse->key.output_stride,
+ (ushort)fetch_count ))
+ goto fail;
+
+ hw_verts = draw->render->map_vertices( draw->render );
+ if (!hw_verts)
+ goto fail;
/* Single routine to fetch vertices, run shader and emit HW verts.
fetch_count,
hw_verts );
- draw->render->draw( draw->render,
- draw_elts,
- draw_count );
if (0) {
unsigned i;
}
}
+ draw->render->unmap_vertices( draw->render, 0, (ushort)(fetch_count - 1) );
+
+ draw->render->draw( draw->render,
+ draw_elts,
+ draw_count );
+
+
+ draw->render->release_vertices( draw->render );
+ return;
+
+fail:
+ assert(0);
+ return;
+}
+
+
+
+static boolean fse_run_linear_elts( struct draw_pt_middle_end *middle,
+ unsigned start,
+ unsigned count,
+ const ushort *draw_elts,
+ unsigned draw_count )
+{
+ struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle;
+ struct draw_context *draw = fse->draw;
+ char *hw_verts;
+
+ /* XXX: need to flush to get prim_vbuf.c to release its allocation??
+ */
+ draw_do_flush( draw, DRAW_FLUSH_BACKEND );
+
+ if (count >= UNDEFINED_VERTEX_ID)
+ return FALSE;
+
+ if (!draw->render->allocate_vertices( draw->render,
+ (ushort)fse->key.output_stride,
+ (ushort)count ))
+ return FALSE;
+
+ hw_verts = draw->render->map_vertices( draw->render );
+ if (!hw_verts)
+ return FALSE;
+
+ /* Single routine to fetch vertices, run shader and emit HW verts.
+ * Clipping is done elsewhere -- either by the API or on hardware,
+ * or for some other reason not required...
+ */
+ fse->active->run_linear( fse->active,
+ start, count,
+ hw_verts );
+
+
+ draw->render->draw( draw->render,
+ draw_elts,
+ draw_count );
+
+
+ draw->render->unmap_vertices( draw->render, 0, (ushort)(count - 1) );
- draw->render->release_vertices( draw->render,
- hw_verts,
- fse->key.output_stride,
- fetch_count );
+ draw->render->release_vertices( draw->render );
+ return TRUE;
}
+
static void fse_finish( struct draw_pt_middle_end *middle )
{
}
fse->base.prepare = fse_prepare;
fse->base.run = fse_run;
fse->base.run_linear = fse_run_linear;
+ fse->base.run_linear_elts = fse_run_linear_elts;
fse->base.finish = fse_finish;
fse->base.destroy = fse_destroy;
fse->draw = draw;
projects / mesa.git / blobdiff