* 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
+ * IN NO EVENT SHALL VMWARE 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 "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"
};
+/** cast wrapper */
+static inline struct llvm_middle_end *
+llvm_middle_end(struct draw_pt_middle_end *middle)
+{
+ return (struct llvm_middle_end *) middle;
+}
+
+
+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
unsigned opt,
unsigned *max_vertices )
{
- struct llvm_middle_end *fpme = (struct llvm_middle_end *)middle;
+ struct llvm_middle_end *fpme = llvm_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;
- const unsigned out_prim = gs ? gs->output_primitive : in_prim;
-
- /* Add one to num_outputs because the pipeline occasionally tags on
- * an additional texcoord, eg for AA lines.
- */
- const unsigned nr = MAX2( vs->info.num_inputs,
- vs->info.num_outputs + 1 );
+ const unsigned out_prim = gs ? gs->output_primitive :
+ u_assembled_prim(in_prim);
+ unsigned point_clip = draw->rasterizer->fill_front == PIPE_POLYGON_MODE_POINT ||
+ out_prim == PIPE_PRIM_POINTS;
+ unsigned nr;
fpme->input_prim = in_prim;
fpme->opt = opt;
- /* Always leave room for the vertex header whether we need it or
- * not. It's hard to get rid of it in particular because of the
- * viewport code in draw_pt_post_vs.c.
- */
- 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->guard_band_xy,
- draw->identity_viewport,
- (boolean)draw->rasterizer->gl_rasterization_rules,
- (draw->vs.edgeflag_output ? TRUE : FALSE) );
+ draw->clip_xy,
+ draw->clip_z,
+ draw->clip_user,
+ point_clip ? draw->guard_band_points_xy :
+ draw->guard_band_xy,
+ draw->bypass_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, gs == NULL );
if (!(opt & PT_PIPELINE)) {
- draw_pt_emit_prepare( fpme->emit,
- out_prim,
+ draw_pt_emit_prepare( fpme->emit, out_prim,
max_vertices );
*max_vertices = MAX2( *max_vertices, 4096 );
*max_vertices = 4096;
}
+ /* Get the number of float[4] attributes per vertex.
+ * Note: this must be done after draw_pt_emit_prepare() since that
+ * can effect the vertex size.
+ */
+ nr = MAX2(vs->info.num_inputs, draw_total_vs_outputs(draw));
+
+ /* Always leave room for the vertex header whether we need it or
+ * not. It's hard to get rid of it in particular because of the
+ * viewport code in draw_pt_post_vs.c.
+ */
+ fpme->vertex_size = sizeof(struct vertex_header) + nr * 4 * sizeof(float);
+
/* return even number */
*max_vertices = *max_vertices & ~1;
fpme->current_variant = variant;
}
+
+ if (gs) {
+ llvm_middle_end_prepare_gs(fpme);
+ }
}
static void
llvm_middle_end_bind_parameters(struct draw_pt_middle_end *middle)
{
- struct llvm_middle_end *fpme = (struct llvm_middle_end *)middle;
+ static const float fake_const_buf[4];
+ struct llvm_middle_end *fpme = llvm_middle_end(middle);
struct draw_context *draw = fpme->draw;
+ struct draw_llvm *llvm = fpme->llvm;
unsigned i;
- 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(llvm->jit_context.vs_constants); ++i) {
+ int num_consts =
+ draw->pt.user.vs_constants_size[i] / (sizeof(float) * 4);
+ llvm->jit_context.vs_constants[i] = draw->pt.user.vs_constants[i];
+ llvm->jit_context.num_vs_constants[i] = num_consts;
+ if (num_consts == 0) {
+ llvm->jit_context.vs_constants[i] = fake_const_buf;
+ }
}
-
- 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(llvm->gs_jit_context.constants); ++i) {
+ int num_consts =
+ draw->pt.user.gs_constants_size[i] / (sizeof(float) * 4);
+ llvm->gs_jit_context.constants[i] = draw->pt.user.gs_constants[i];
+ llvm->gs_jit_context.num_constants[i] = num_consts;
+ if (num_consts == 0) {
+ llvm->gs_jit_context.constants[i] = fake_const_buf;
+ }
}
- fpme->llvm->jit_context.planes =
+ llvm->jit_context.planes =
+ (float (*)[DRAW_TOTAL_CLIP_PLANES][4]) draw->pt.user.planes[0];
+ 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;
+ llvm->jit_context.viewports = draw->viewports;
+ llvm->gs_jit_context.viewports = draw->viewports;
}
-static void pipeline(struct llvm_middle_end *llvm,
- const struct draw_vertex_info *vert_info,
- const struct draw_prim_info *prim_info)
+static void
+pipeline(struct llvm_middle_end *llvm,
+ const struct draw_vertex_info *vert_info,
+ const struct draw_prim_info *prim_info)
{
if (prim_info->linear)
draw_pipeline_run_linear( llvm->draw,
prim_info );
}
-static void emit(struct pt_emit *emit,
- const struct draw_vertex_info *vert_info,
- const struct draw_prim_info *prim_info)
+
+static void
+emit(struct pt_emit *emit,
+ const struct draw_vertex_info *vert_info,
+ const struct draw_prim_info *prim_info)
{
if (prim_info->linear) {
draw_pt_emit_linear(emit, vert_info, prim_info);
}
}
+
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 )
+llvm_pipeline_generic(struct draw_pt_middle_end *middle,
+ const struct draw_fetch_info *fetch_info,
+ const struct draw_prim_info *in_prim_info)
{
- struct llvm_middle_end *fpme = (struct llvm_middle_end *)middle;
+ struct llvm_middle_end *fpme = llvm_middle_end(middle);
struct draw_context *draw = fpme->draw;
struct draw_geometry_shader *gshader = draw->gs.geometry_shader;
struct draw_prim_info gs_prim_info;
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;
llvm_vert_info.count = fetch_info->count;
llvm_vert_info.vertex_size = fpme->vertex_size;
llvm_vert_info.stride = fpme->vertex_size;
- llvm_vert_info.verts =
- (struct vertex_header *)MALLOC(fpme->vertex_size *
- align(fetch_info->count, lp_native_vector_width / 32));
+ llvm_vert_info.verts = (struct vertex_header *)
+ MALLOC(fpme->vertex_size *
+ align(fetch_info->count, lp_native_vector_width / 32));
if (!llvm_vert_info.verts) {
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, 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,
- (const char **)draw->pt.user.vbuffer,
+ draw->pt.user.vbuffer,
fetch_info->start,
fetch_info->count,
fpme->vertex_size,
draw->pt.vertex_buffer,
- draw->instance_id);
+ draw->instance_id,
+ draw->start_index,
+ draw->start_instance);
else
clipped = fpme->current_variant->jit_func_elts( &fpme->llvm->jit_context,
llvm_vert_info.verts,
- (const char **)draw->pt.user.vbuffer,
+ draw->pt.user.vbuffer,
fetch_info->elts,
+ draw->pt.user.eltMax,
fetch_info->count,
fpme->vertex_size,
draw->pt.vertex_buffer,
- draw->instance_id);
+ draw->instance_id,
+ draw->pt.user.eltBias,
+ draw->start_instance);
/* Finished with fetch and vs:
*/
fetch_info = NULL;
vert_info = &llvm_vert_info;
-
if ((opt & PT_SHADE) && gshader) {
+ struct draw_vertex_shader *vshader = draw->vs.vertex_shader;
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");
- clipped = draw_pt_post_vs_run( fpme->post_vs, vert_info );
-
+ FREE(vert_info->verts);
+ if (free_prim_info) {
+ FREE(prim_info->primitive_lengths);
+ }
+ return;
}
/* stream output needs to be done before clipping */
- draw_pt_so_emit( fpme->so_emit,
- vert_info,
- prim_info );
+ draw_pt_so_emit( fpme->so_emit, vert_info, prim_info );
- if (clipped) {
- opt |= PT_PIPELINE;
- }
+ draw_stats_clipper_primitives(draw, prim_info);
- /* Do we need to run the pipeline? Now will come here if clipped
+ /*
+ * 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 ((opt & PT_SHADE) && (gshader ||
+ draw->vs.vertex_shader->info.writes_viewport_index)) {
+ clipped = draw_pt_post_vs_run( fpme->post_vs, vert_info, prim_info );
+ }
+ /* "clipped" also includes non-one edgeflag */
+ if (clipped) {
+ opt |= PT_PIPELINE;
+ }
+
+ /* Do we need to run the pipeline? Now will come here if clipped
+ */
+ 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 inline unsigned
+prim_type(unsigned prim, unsigned flags)
+{
+ if (flags & DRAW_LINE_LOOP_AS_STRIP)
+ return PIPE_PRIM_LINE_STRIP;
+ else
+ return prim;
}
-static void llvm_middle_end_run( struct draw_pt_middle_end *middle,
- const unsigned *fetch_elts,
- unsigned fetch_count,
- const ushort *draw_elts,
- unsigned draw_count,
- unsigned prim_flags )
+static void
+llvm_middle_end_run(struct draw_pt_middle_end *middle,
+ const unsigned *fetch_elts,
+ unsigned fetch_count,
+ const ushort *draw_elts,
+ unsigned draw_count,
+ unsigned prim_flags)
{
- struct llvm_middle_end *fpme = (struct llvm_middle_end *)middle;
+ struct llvm_middle_end *fpme = llvm_middle_end(middle);
struct draw_fetch_info fetch_info;
struct draw_prim_info prim_info;
prim_info.start = 0;
prim_info.count = draw_count;
prim_info.elts = draw_elts;
- prim_info.prim = fpme->input_prim;
+ prim_info.prim = prim_type(fpme->input_prim, prim_flags);
prim_info.flags = prim_flags;
prim_info.primitive_count = 1;
prim_info.primitive_lengths = &draw_count;
}
-static void llvm_middle_end_linear_run( struct draw_pt_middle_end *middle,
- unsigned start,
- unsigned count,
- unsigned prim_flags)
+static void
+llvm_middle_end_linear_run(struct draw_pt_middle_end *middle,
+ unsigned start,
+ unsigned count,
+ unsigned prim_flags)
{
- struct llvm_middle_end *fpme = (struct llvm_middle_end *)middle;
+ struct llvm_middle_end *fpme = llvm_middle_end(middle);
struct draw_fetch_info fetch_info;
struct draw_prim_info prim_info;
prim_info.start = 0;
prim_info.count = count;
prim_info.elts = NULL;
- prim_info.prim = fpme->input_prim;
+ prim_info.prim = prim_type(fpme->input_prim, prim_flags);
prim_info.flags = prim_flags;
prim_info.primitive_count = 1;
prim_info.primitive_lengths = &count;
}
-
static boolean
-llvm_middle_end_linear_run_elts( struct draw_pt_middle_end *middle,
- unsigned start,
- unsigned count,
- const ushort *draw_elts,
- unsigned draw_count,
- unsigned prim_flags )
+llvm_middle_end_linear_run_elts(struct draw_pt_middle_end *middle,
+ unsigned start,
+ unsigned count,
+ const ushort *draw_elts,
+ unsigned draw_count,
+ unsigned prim_flags)
{
- struct llvm_middle_end *fpme = (struct llvm_middle_end *)middle;
+ struct llvm_middle_end *fpme = llvm_middle_end(middle);
struct draw_fetch_info fetch_info;
struct draw_prim_info prim_info;
prim_info.start = 0;
prim_info.count = draw_count;
prim_info.elts = draw_elts;
- prim_info.prim = fpme->input_prim;
+ prim_info.prim = prim_type(fpme->input_prim, prim_flags);
prim_info.flags = prim_flags;
prim_info.primitive_count = 1;
prim_info.primitive_lengths = &draw_count;
}
-
-static void llvm_middle_end_finish( struct draw_pt_middle_end *middle )
+static void
+llvm_middle_end_finish(struct draw_pt_middle_end *middle)
{
/* nothing to do */
}
-static void llvm_middle_end_destroy( struct draw_pt_middle_end *middle )
+
+static void
+llvm_middle_end_destroy(struct draw_pt_middle_end *middle)
{
- struct llvm_middle_end *fpme = (struct llvm_middle_end *)middle;
+ struct llvm_middle_end *fpme = llvm_middle_end(middle);
if (fpme->fetch)
draw_pt_fetch_destroy( fpme->fetch );
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