#include "util/u_math.h"
#include "util/u_memory.h"
+#include "util/u_prim.h"
#include "draw/draw_context.h"
#include "draw/draw_gs.h"
#include "draw/draw_vbuf.h"
#include "draw/draw_vertex.h"
#include "draw/draw_pt.h"
+#include "draw/draw_prim_assembler.h"
#include "draw/draw_vs.h"
#include "draw/draw_llvm.h"
#include "gallivm/lp_bld_init.h"
};
+static void
+llvm_middle_end_prepare_gs(struct llvm_middle_end *fpme)
+{
+ struct draw_context *draw = fpme->draw;
+ struct draw_geometry_shader *gs = draw->gs.geometry_shader;
+ struct draw_gs_llvm_variant_key *key;
+ struct draw_gs_llvm_variant *variant = NULL;
+ struct draw_gs_llvm_variant_list_item *li;
+ struct llvm_geometry_shader *shader = llvm_geometry_shader(gs);
+ char store[DRAW_GS_LLVM_MAX_VARIANT_KEY_SIZE];
+ unsigned i;
+
+ key = draw_gs_llvm_make_variant_key(fpme->llvm, store);
+
+ /* Search shader's list of variants for the key */
+ li = first_elem(&shader->variants);
+ while (!at_end(&shader->variants, li)) {
+ if (memcmp(&li->base->key, key, shader->variant_key_size) == 0) {
+ variant = li->base;
+ break;
+ }
+ li = next_elem(li);
+ }
+
+ if (variant) {
+ /* found the variant, move to head of global list (for LRU) */
+ move_to_head(&fpme->llvm->gs_variants_list,
+ &variant->list_item_global);
+ }
+ else {
+ /* Need to create new variant */
+
+ /* First check if we've created too many variants. If so, free
+ * 25% of the LRU to avoid using too much memory.
+ */
+ if (fpme->llvm->nr_gs_variants >= DRAW_MAX_SHADER_VARIANTS) {
+ /*
+ * XXX: should we flush here ?
+ */
+ for (i = 0; i < DRAW_MAX_SHADER_VARIANTS / 4; i++) {
+ struct draw_gs_llvm_variant_list_item *item;
+ if (is_empty_list(&fpme->llvm->gs_variants_list)) {
+ break;
+ }
+ item = last_elem(&fpme->llvm->gs_variants_list);
+ assert(item);
+ assert(item->base);
+ draw_gs_llvm_destroy_variant(item->base);
+ }
+ }
+
+ variant = draw_gs_llvm_create_variant(fpme->llvm, gs->info.num_outputs, key);
+
+ if (variant) {
+ insert_at_head(&shader->variants, &variant->list_item_local);
+ insert_at_head(&fpme->llvm->gs_variants_list,
+ &variant->list_item_global);
+ fpme->llvm->nr_gs_variants++;
+ shader->variants_cached++;
+ }
+ }
+
+ gs->current_variant = variant;
+}
+
/**
* Prepare/validate middle part of the vertex pipeline.
* NOTE: if you change this function, also look at the non-LLVM
struct draw_context *draw = fpme->draw;
struct draw_vertex_shader *vs = draw->vs.vertex_shader;
struct draw_geometry_shader *gs = draw->gs.geometry_shader;
- const unsigned out_prim = gs ? gs->output_primitive : in_prim;
+ const unsigned out_prim = gs ? gs->output_primitive :
+ u_assembled_prim(in_prim);
/* Add one to num_outputs because the pipeline occasionally tags on
* an additional texcoord, eg for AA lines.
fpme->vertex_size = sizeof(struct vertex_header) + nr * 4 * sizeof(float);
- /* 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,
- draw->clip_xy,
- draw->clip_z,
- draw->clip_user,
+ draw->clip_xy,
+ draw->clip_z,
+ draw->clip_user,
draw->guard_band_xy,
- draw->identity_viewport,
- (boolean)draw->rasterizer->gl_rasterization_rules,
- (draw->vs.edgeflag_output ? TRUE : FALSE) );
+ draw->identity_viewport,
+ draw->rasterizer->clip_halfz,
+ (draw->vs.edgeflag_output ? TRUE : FALSE) );
- draw_pt_so_emit_prepare( fpme->so_emit, TRUE );
+ draw_pt_so_emit_prepare( fpme->so_emit, gs == NULL );
if (!(opt & PT_PIPELINE)) {
draw_pt_emit_prepare( fpme->emit,
fpme->current_variant = variant;
}
+
+ if (gs) {
+ llvm_middle_end_prepare_gs(fpme);
+ }
}
for (i = 0; i < Elements(fpme->llvm->jit_context.vs_constants); ++i) {
fpme->llvm->jit_context.vs_constants[i] = draw->pt.user.vs_constants[i];
}
-
- for (i = 0; i < Elements(fpme->llvm->jit_context.gs_constants); ++i) {
- fpme->llvm->jit_context.gs_constants[i] = draw->pt.user.gs_constants[i];
+ for (i = 0; i < Elements(fpme->llvm->gs_jit_context.constants); ++i) {
+ fpme->llvm->gs_jit_context.constants[i] = draw->pt.user.gs_constants[i];
}
fpme->llvm->jit_context.planes =
(float (*)[DRAW_TOTAL_CLIP_PLANES][4]) draw->pt.user.planes[0];
+ fpme->llvm->gs_jit_context.planes =
+ (float (*)[DRAW_TOTAL_CLIP_PLANES][4]) draw->pt.user.planes[0];
fpme->llvm->jit_context.viewport = (float *) draw->viewport.scale;
+ fpme->llvm->gs_jit_context.viewport = (float *) draw->viewport.scale;
}
static void
llvm_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 llvm_middle_end *fpme = (struct llvm_middle_end *)middle;
struct draw_context *draw = fpme->draw;
struct draw_vertex_info llvm_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;
unsigned clipped = 0;
return;
}
+ if (draw->collect_statistics) {
+ draw->statistics.ia_vertices += fetch_info->count;
+ draw->statistics.ia_primitives +=
+ u_decomposed_prims_for_vertices(prim_info->prim, prim_info->count);
+ draw->statistics.vs_invocations += fetch_info->count;
+ }
+
if (fetch_info->linear)
clipped = fpme->current_variant->jit_func( &fpme->llvm->jit_context,
llvm_vert_info.verts,
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;
}
/* stream output needs to be done before clipping */
}
}
FREE(vert_info->verts);
+ if (free_prim_info) {
+ FREE(prim_info->primitive_lengths);
+ }
}
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