return FALSE;
#ifdef DRAW_LLVM_AVAILABLE
- if (draw->llvm)
+ if (draw->llvm) {
draw->pt.middle.llvm = draw_pt_fetch_pipeline_or_emit_llvm(draw);
+ draw->pt.middle.mesh = draw_pt_mesh_pipeline_or_emit(draw);
+ }
#endif
return TRUE;
void
draw_pt_destroy(struct draw_context *draw)
{
+ if (draw->pt.middle.mesh) {
+ draw->pt.middle.mesh->destroy(draw->pt.middle.mesh);
+ draw->pt.middle.mesh = NULL;
+ }
+
if (draw->pt.middle.llvm) {
draw->pt.middle.llvm->destroy(draw->pt.middle.llvm);
draw->pt.middle.llvm = NULL;
}
util_fpstate_set(fpstate);
}
+
+/* to be called after a mesh shader is run */
+void
+draw_mesh(struct draw_context *draw,
+ struct draw_vertex_info *vert_info,
+ struct draw_prim_info *prim_info)
+{
+ struct draw_pt_middle_end *middle = draw->pt.middle.mesh;
+
+ middle->prepare(middle, 0, 0, NULL);
+
+ draw_mesh_middle_end_run(middle, vert_info, prim_info);
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2023 Red Hat.
+ * 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, sublicense,
+ * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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 "draw/draw_context.h"
+#include "draw/draw_private.h"
+#include "draw/draw_pt.h"
+#include "draw/draw_mesh.h"
+
+/*
+ * Mesh shader middle end,
+ * This doesn't need a frontend as mesh shader frontend
+ * is done with compute shaders in llvmpipe.
+ */
+
+struct mesh_pipeline_middle_end {
+ struct draw_pt_middle_end base;
+ struct draw_context *draw;
+
+ struct pt_so_emit *so_emit;
+ struct pt_post_vs *post_vs;
+};
+
+/** cast wrapper */
+static inline struct mesh_pipeline_middle_end *
+mesh_pipeline_middle_end(struct draw_pt_middle_end *middle)
+{
+ return (struct mesh_pipeline_middle_end *) middle;
+}
+
+static void
+mesh_pipeline_destroy(struct draw_pt_middle_end *middle)
+{
+ struct mesh_pipeline_middle_end *mpme = mesh_pipeline_middle_end(middle);
+
+ if (mpme->so_emit)
+ draw_pt_so_emit_destroy(mpme->so_emit);
+ if (mpme->post_vs)
+ draw_pt_post_vs_destroy(mpme->post_vs);
+ FREE(middle);
+}
+
+static void
+mesh_middle_end_prepare(struct draw_pt_middle_end *middle,
+ enum mesa_prim prim,
+ unsigned opt,
+ unsigned *max_vertices)
+{
+ struct mesh_pipeline_middle_end *mpme = mesh_pipeline_middle_end(middle);
+ struct draw_context *draw = mpme->draw;
+ enum mesa_prim out_prim = draw->ms.mesh_shader->output_primitive;
+ unsigned point_clip = draw->rasterizer->fill_front == PIPE_POLYGON_MODE_POINT ||
+ out_prim == MESA_PRIM_POINTS;
+ draw_pt_post_vs_prepare(mpme->post_vs,
+ draw->clip_xy,
+ draw->clip_z,
+ draw->clip_user,
+ point_clip ? draw->guard_band_points_lines_xy :
+ draw->guard_band_xy,
+ draw->bypass_viewport,
+ draw->rasterizer->clip_halfz,
+ FALSE);
+
+ draw_pt_so_emit_prepare(mpme->so_emit, false);
+
+ draw_do_flush(draw, DRAW_FLUSH_BACKEND);
+
+}
+
+void
+draw_mesh_middle_end_run(struct draw_pt_middle_end *middle,
+ struct draw_vertex_info *vert_info,
+ struct draw_prim_info *prim_info)
+{
+ struct mesh_pipeline_middle_end *mpme = mesh_pipeline_middle_end(middle);
+
+ draw_pt_post_vs_run(mpme->post_vs, vert_info, prim_info);
+
+ /* just for primgen query */
+ draw_pt_so_emit(mpme->so_emit, 1, vert_info, prim_info);
+ draw_pipeline_run_linear(mpme->draw, vert_info, prim_info);
+}
+
+struct draw_pt_middle_end *
+draw_pt_mesh_pipeline_or_emit(struct draw_context *draw)
+{
+ struct mesh_pipeline_middle_end *mpme =
+ CALLOC_STRUCT(mesh_pipeline_middle_end);
+ if (!mpme)
+ goto fail;
+
+ mpme->base.prepare = mesh_middle_end_prepare;
+ mpme->base.destroy = mesh_pipeline_destroy;
+ mpme->draw = draw;
+
+ mpme->post_vs = draw_pt_post_vs_create(draw);
+ if (!mpme->post_vs)
+ goto fail;
+
+ mpme->so_emit = draw_pt_so_emit_create(draw);
+ if (!mpme->so_emit)
+ goto fail;
+
+ return &mpme->base;
+ fail:
+ if (mpme)
+ mesh_pipeline_destroy(&mpme->base);
+
+ return NULL;
+}