ilo: new pipe driver for Intel GEN6+

This commit adds some boilerplate code.  The header files found under include/
are copied from i965.

1 files changed, 136 insertions, 0 deletions

diff --git a/src/gallium/drivers/ilo/ilo_context.c b/src/gallium/drivers/ilo/ilo_context.c
new file mode 100644
index 00000000000..719d6abfed9
--- /dev/null
+++ b/src/gallium/drivers/ilo/ilo_context.c
@@ -0,0 +1,136 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright (C) 2012-2013 LunarG, Inc.
+ *
+ * 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.
+ *
+ * Authors:
+ *    Chia-I Wu <[email protected]>
+ */
+
+#include "intel_chipset.h"
+
+#include "ilo_3d.h"
+#include "ilo_blit.h"
+#include "ilo_gpgpu.h"
+#include "ilo_query.h"
+#include "ilo_resource.h"
+#include "ilo_screen.h"
+#include "ilo_state.h"
+#include "ilo_video.h"
+#include "ilo_context.h"
+
+static void
+ilo_context_destroy(struct pipe_context *pipe)
+{
+   struct ilo_context *ilo = ilo_context(pipe);
+
+   FREE(ilo);
+}
+
+static struct pipe_context *
+ilo_context_create(struct pipe_screen *screen, void *priv)
+{
+   struct ilo_screen *is = ilo_screen(screen);
+   struct ilo_context *ilo;
+
+   ilo = CALLOC_STRUCT(ilo_context);
+   if (!ilo)
+      return NULL;
+
+   ilo->winsys = is->winsys;
+   ilo->devid = is->devid;
+   ilo->gen = is->gen;
+
+   if (IS_SNB_GT1(ilo->devid) ||
+       IS_IVB_GT1(ilo->devid) ||
+       IS_HSW_GT1(ilo->devid) ||
+       IS_BAYTRAIL(ilo->devid))
+      ilo->gt = 1;
+   else if (IS_SNB_GT2(ilo->devid) ||
+            IS_IVB_GT2(ilo->devid) ||
+            IS_HSW_GT2(ilo->devid))
+      ilo->gt = 2;
+   else
+      ilo->gt = 0;
+
+   /* stolen from classic i965 */
+   /* WM maximum threads is number of EUs times number of threads per EU. */
+   if (ilo->gen >= ILO_GEN(7)) {
+      if (ilo->gt == 1) {
+	 ilo->max_wm_threads = 48;
+	 ilo->max_vs_threads = 36;
+	 ilo->max_gs_threads = 36;
+	 ilo->urb.size = 128;
+	 ilo->urb.max_vs_entries = 512;
+	 ilo->urb.max_gs_entries = 192;
+      } else if (ilo->gt == 2) {
+	 ilo->max_wm_threads = 172;
+	 ilo->max_vs_threads = 128;
+	 ilo->max_gs_threads = 128;
+	 ilo->urb.size = 256;
+	 ilo->urb.max_vs_entries = 704;
+	 ilo->urb.max_gs_entries = 320;
+      } else {
+	 assert(!"Unknown gen7 device.");
+      }
+   } else if (ilo->gen == ILO_GEN(6)) {
+      if (ilo->gt == 2) {
+	 ilo->max_wm_threads = 80;
+	 ilo->max_vs_threads = 60;
+	 ilo->max_gs_threads = 60;
+	 ilo->urb.size = 64;            /* volume 5c.5 section 5.1 */
+	 ilo->urb.max_vs_entries = 256; /* volume 2a (see 3DSTATE_URB) */
+	 ilo->urb.max_gs_entries = 256;
+      } else {
+	 ilo->max_wm_threads = 40;
+	 ilo->max_vs_threads = 24;
+	 ilo->max_gs_threads = 21; /* conservative; 24 if rendering disabled */
+	 ilo->urb.size = 32;            /* volume 5c.5 section 5.1 */
+	 ilo->urb.max_vs_entries = 256; /* volume 2a (see 3DSTATE_URB) */
+	 ilo->urb.max_gs_entries = 256;
+      }
+   }
+
+   ilo->base.screen = screen;
+   ilo->base.priv = priv;
+
+   ilo->base.destroy = ilo_context_destroy;
+   ilo->base.flush = NULL;
+
+   ilo_init_3d_functions(ilo);
+   ilo_init_query_functions(ilo);
+   ilo_init_state_functions(ilo);
+   ilo_init_blit_functions(ilo);
+   ilo_init_transfer_functions(ilo);
+   ilo_init_video_functions(ilo);
+   ilo_init_gpgpu_functions(ilo);
+
+   return &ilo->base;
+}
+
+/**
+ * Initialize context-related functions.
+ */
+void
+ilo_init_context_functions(struct ilo_screen *is)
+{
+   is->base.context_create = ilo_context_create;
+}