ilo: rename ilo_3d_pipeline*.[ch] to ilo_render*.[ch]

They are used to build render engine commands, which can be more than 3D.

Signed-off-by: Chia-I Wu <[email protected]>

1 files changed, 163 insertions, 0 deletions

diff --git a/src/gallium/drivers/ilo/ilo_render.c b/src/gallium/drivers/ilo/ilo_render.c
new file mode 100644
index 00000000000..2893a4f2b93
--- /dev/null
+++ b/src/gallium/drivers/ilo/ilo_render.c
@@ -0,0 +1,163 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright (C) 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_winsys.h"
+
+#include "ilo_builder.h"
+#include "ilo_render_gen.h"
+#include "ilo_render_gen7.h"
+#include "ilo_render.h"
+
+/* in U0.4 */
+struct sample_position {
+   uint8_t x, y;
+};
+
+/* \see gen6_get_sample_position() */
+static const struct sample_position sample_position_1x[1] = {
+   {  8,  8 },
+};
+
+static const struct sample_position sample_position_4x[4] = {
+   {  6,  2 }, /* distance from the center is sqrt(40) */
+   { 14,  6 }, /* distance from the center is sqrt(40) */
+   {  2, 10 }, /* distance from the center is sqrt(40) */
+   { 10, 14 }, /* distance from the center is sqrt(40) */
+};
+
+static const struct sample_position sample_position_8x[8] = {
+   {  7,  9 }, /* distance from the center is sqrt(2) */
+   {  9, 13 }, /* distance from the center is sqrt(26) */
+   { 11,  3 }, /* distance from the center is sqrt(34) */
+   { 13, 11 }, /* distance from the center is sqrt(34) */
+   {  1,  7 }, /* distance from the center is sqrt(50) */
+   {  5,  1 }, /* distance from the center is sqrt(58) */
+   { 15,  5 }, /* distance from the center is sqrt(58) */
+   {  3, 15 }, /* distance from the center is sqrt(74) */
+};
+
+struct ilo_3d_pipeline *
+ilo_3d_pipeline_create(struct ilo_builder *builder)
+{
+   struct ilo_3d_pipeline *p;
+   int i;
+
+   p = CALLOC_STRUCT(ilo_3d_pipeline);
+   if (!p)
+      return NULL;
+
+   p->dev = builder->dev;
+   p->builder = builder;
+
+   switch (ilo_dev_gen(p->dev)) {
+   case ILO_GEN(6):
+      ilo_3d_pipeline_init_gen6(p);
+      break;
+   case ILO_GEN(7):
+   case ILO_GEN(7.5):
+      ilo_3d_pipeline_init_gen7(p);
+      break;
+   default:
+      assert(!"unsupported GEN");
+      FREE(p);
+      return NULL;
+      break;
+   }
+
+   p->invalidate_flags = ILO_3D_PIPELINE_INVALIDATE_ALL;
+
+   p->workaround_bo = intel_winsys_alloc_buffer(builder->winsys,
+         "PIPE_CONTROL workaround", 4096, false);
+   if (!p->workaround_bo) {
+      ilo_warn("failed to allocate PIPE_CONTROL workaround bo\n");
+      FREE(p);
+      return NULL;
+   }
+
+   p->packed_sample_position_1x =
+      sample_position_1x[0].x << 4 |
+      sample_position_1x[0].y;
+
+   /* pack into dwords */
+   for (i = 0; i < 4; i++) {
+      p->packed_sample_position_4x |=
+         sample_position_4x[i].x << (8 * i + 4) |
+         sample_position_4x[i].y << (8 * i);
+
+      p->packed_sample_position_8x[0] |=
+         sample_position_8x[i].x << (8 * i + 4) |
+         sample_position_8x[i].y << (8 * i);
+
+      p->packed_sample_position_8x[1] |=
+         sample_position_8x[4 + i].x << (8 * i + 4) |
+         sample_position_8x[4 + i].y << (8 * i);
+   }
+
+   return p;
+}
+
+void
+ilo_3d_pipeline_destroy(struct ilo_3d_pipeline *p)
+{
+   if (p->workaround_bo)
+      intel_bo_unreference(p->workaround_bo);
+
+   FREE(p);
+}
+
+void
+ilo_3d_pipeline_get_sample_position(struct ilo_3d_pipeline *p,
+                                    unsigned sample_count,
+                                    unsigned sample_index,
+                                    float *x, float *y)
+{
+   const struct sample_position *pos;
+
+   switch (sample_count) {
+   case 1:
+      assert(sample_index < Elements(sample_position_1x));
+      pos = sample_position_1x;
+      break;
+   case 4:
+      assert(sample_index < Elements(sample_position_4x));
+      pos = sample_position_4x;
+      break;
+   case 8:
+      assert(sample_index < Elements(sample_position_8x));
+      pos = sample_position_8x;
+      break;
+   default:
+      assert(!"unknown sample count");
+      *x = 0.5f;
+      *y = 0.5f;
+      return;
+      break;
+   }
+
+   *x = (float) pos[sample_index].x / 16.0f;
+   *y = (float) pos[sample_index].y / 16.0f;
+}