#include "draw/draw_context.h"
#include "draw/draw_vbuf.h"
#include "draw/draw_vertex.h"
+#include "draw/draw_prim_assembler.h"
#include "draw/draw_pt.h"
#include "draw/draw_vs.h"
#include "draw/draw_gs.h"
unsigned opt;
};
+
+/**
+ * Prepare/validate middle part of the vertex pipeline.
+ * NOTE: if you change this function, also look at the LLVM
+ * function llvm_middle_end_prepare() for similar changes.
+ */
static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle,
unsigned prim,
unsigned opt,
struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
struct draw_context *draw = fpme->draw;
struct draw_vertex_shader *vs = draw->vs.vertex_shader;
+ struct draw_geometry_shader *gs = draw->gs.geometry_shader;
unsigned i;
unsigned instance_id_index = ~0;
- unsigned gs_out_prim = (draw->gs.geometry_shader ?
- draw->gs.geometry_shader->output_primitive :
- prim);
+ const unsigned gs_out_prim = (gs ? gs->output_primitive :
+ u_assembled_prim(prim));
/* Add one to num_outputs because the pipeline occasionally tags on
* an additional texcoord, eg for AA lines.
unsigned nr = MAX2( vs->info.num_inputs,
vs->info.num_outputs + 1 );
+ if (gs) {
+ nr = MAX2(nr, gs->info.num_outputs + 1);
+ }
+
/* Scan for instanceID system value.
*/
for (i = 0; i < vs->info.num_inputs; i++) {
vs->info.num_inputs,
fpme->vertex_size,
instance_id_index );
- /* XXX: it's not really gl rasterization rules we care about here,
- * but gl vs dx9 clip spaces.
- */
draw_pt_post_vs_prepare( fpme->post_vs,
- (boolean)draw->bypass_clipping,
- (boolean)draw->identity_viewport,
- (boolean)draw->rasterizer->gl_rasterization_rules,
- (draw->vs.edgeflag_output ? TRUE : FALSE) );
+ draw->clip_xy,
+ draw->clip_z,
+ draw->clip_user,
+ draw->guard_band_xy,
+ draw->identity_viewport,
+ draw->rasterizer->clip_halfz,
+ (draw->vs.edgeflag_output ? TRUE : FALSE) );
- draw_pt_so_emit_prepare( fpme->so_emit );
+ draw_pt_so_emit_prepare( fpme->so_emit, FALSE );
if (!(opt & PT_PIPELINE)) {
draw_pt_emit_prepare( fpme->emit,
gs_out_prim,
max_vertices );
- *max_vertices = MAX2( *max_vertices,
- DRAW_PIPE_MAX_VERTICES );
+ *max_vertices = MAX2( *max_vertices, 4096 );
}
else {
- *max_vertices = DRAW_PIPE_MAX_VERTICES;
+ /* limit max fetches by limiting max_vertices */
+ *max_vertices = 4096;
}
- /* return even number */
- *max_vertices = *max_vertices & ~1;
-
/* No need to prepare the shader.
*/
vs->prepare(vs, draw);
}
+static void
+fetch_pipeline_bind_parameters(struct draw_pt_middle_end *middle)
+{
+ /* No-op since the vertex shader executor and drawing pipeline
+ * just grab the constants, viewport, etc. from the draw context state.
+ */
+}
+
+
static void fetch( struct pt_fetch *fetch,
const struct draw_fetch_info *fetch_info,
char *output)
static void draw_vertex_shader_run(struct draw_vertex_shader *vshader,
const void *constants[PIPE_MAX_CONSTANT_BUFFERS],
+ unsigned const_size[PIPE_MAX_CONSTANT_BUFFERS],
const struct draw_vertex_info *input_verts,
struct draw_vertex_info *output_verts )
{
(const float (*)[4])input_verts->verts->data,
( float (*)[4])output_verts->verts->data,
constants,
+ const_size,
input_verts->count,
input_verts->vertex_size,
input_verts->vertex_size);
static void fetch_pipeline_generic( struct draw_pt_middle_end *middle,
const struct draw_fetch_info *fetch_info,
- const struct draw_prim_info *prim_info )
+ const struct draw_prim_info *in_prim_info )
{
struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
struct draw_context *draw = fpme->draw;
struct draw_vertex_info vs_vert_info;
struct draw_vertex_info gs_vert_info;
struct draw_vertex_info *vert_info;
+ struct draw_prim_info ia_prim_info;
+ struct draw_vertex_info ia_vert_info;
+ const struct draw_prim_info *prim_info = in_prim_info;
+ boolean free_prim_info = FALSE;
unsigned opt = fpme->opt;
fetched_vert_info.count = fetch_info->count;
assert(0);
return;
}
+ if (draw->collect_statistics) {
+ draw->statistics.ia_vertices += prim_info->count;
+ draw->statistics.ia_primitives +=
+ u_decomposed_prims_for_vertices(prim_info->prim, fetch_info->count);
+ draw->statistics.vs_invocations += fetch_info->count;
+ }
/* Fetch into our vertex buffer.
*/
if (fpme->opt & PT_SHADE) {
draw_vertex_shader_run(vshader,
draw->pt.user.vs_constants,
+ draw->pt.user.vs_constants_size,
vert_info,
&vs_vert_info);
if ((fpme->opt & PT_SHADE) && gshader) {
draw_geometry_shader_run(gshader,
draw->pt.user.gs_constants,
+ draw->pt.user.gs_constants_size,
vert_info,
prim_info,
+ &vshader->info,
&gs_vert_info,
&gs_prim_info);
FREE(vert_info->verts);
vert_info = &gs_vert_info;
prim_info = &gs_prim_info;
+ } else {
+ if (draw_prim_assembler_is_required(draw, prim_info, vert_info)) {
+ draw_prim_assembler_run(draw, prim_info, vert_info,
+ &ia_prim_info, &ia_vert_info);
+
+ if (ia_vert_info.count) {
+ FREE(vert_info->verts);
+ vert_info = &ia_vert_info;
+ prim_info = &ia_prim_info;
+ free_prim_info = TRUE;
+ }
+ }
+ }
+ if (prim_info->count == 0) {
+ debug_printf("GS/IA didn't emit any vertices!\n");
+
+ FREE(vert_info->verts);
+ if (free_prim_info) {
+ FREE(prim_info->primitive_lengths);
+ }
+ return;
}
* XXX: Stream output surely needs to respect the prim_info->elt
* lists.
*/
- draw_pt_so_emit( fpme->so_emit,
- vert_info,
- prim_info );
-
- if (draw_pt_post_vs_run( fpme->post_vs,
- vert_info ))
- {
- opt |= PT_PIPELINE;
- }
+ draw_pt_so_emit( fpme->so_emit, vert_info, prim_info );
- /* Do we need to run the pipeline?
+ draw_stats_clipper_primitives(draw, prim_info);
+
+ /*
+ * if there's no position, need to stop now, or the latter stages
+ * will try to access non-existent position output.
*/
- if (opt & PT_PIPELINE) {
- pipeline( fpme,
- vert_info,
- prim_info );
- }
- else {
- emit( fpme->emit,
- vert_info,
- prim_info );
+ if (draw_current_shader_position_output(draw) != -1) {
+
+ if (draw_pt_post_vs_run( fpme->post_vs, vert_info, prim_info ))
+ {
+ opt |= PT_PIPELINE;
+ }
+
+ /* Do we need to run the pipeline?
+ */
+ if (opt & PT_PIPELINE) {
+ pipeline( fpme, vert_info, prim_info );
+ }
+ else {
+ emit( fpme->emit, vert_info, prim_info );
+ }
}
FREE(vert_info->verts);
+ if (free_prim_info) {
+ FREE(prim_info->primitive_lengths);
+ }
}
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 )
+ unsigned draw_count,
+ unsigned prim_flags )
{
struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
struct draw_fetch_info fetch_info;
prim_info.count = draw_count;
prim_info.elts = draw_elts;
prim_info.prim = fpme->input_prim;
+ prim_info.flags = prim_flags;
prim_info.primitive_count = 1;
prim_info.primitive_lengths = &draw_count;
static void fetch_pipeline_linear_run( struct draw_pt_middle_end *middle,
unsigned start,
- unsigned count)
+ unsigned count,
+ unsigned prim_flags)
{
struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
struct draw_fetch_info fetch_info;
prim_info.count = count;
prim_info.elts = NULL;
prim_info.prim = fpme->input_prim;
+ prim_info.flags = prim_flags;
prim_info.primitive_count = 1;
prim_info.primitive_lengths = &count;
unsigned start,
unsigned count,
const ushort *draw_elts,
- unsigned draw_count )
+ unsigned draw_count,
+ unsigned prim_flags )
{
struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
struct draw_fetch_info fetch_info;
prim_info.count = draw_count;
prim_info.elts = draw_elts;
prim_info.prim = fpme->input_prim;
+ prim_info.flags = prim_flags;
prim_info.primitive_count = 1;
prim_info.primitive_lengths = &draw_count;
goto fail;
fpme->base.prepare = fetch_pipeline_prepare;
+ fpme->base.bind_parameters = fetch_pipeline_bind_parameters;
fpme->base.run = fetch_pipeline_run;
fpme->base.run_linear = fetch_pipeline_linear_run;
fpme->base.run_linear_elts = fetch_pipeline_linear_run_elts;