commit e4f1697b54453e3ecf132049feff60c518fd7c7c
author Hyunjun Ko <zzoon@igalia.com> Thu Feb 20 14:41:55 2020 +0900
committer Marge Bot <eric+marge@anholt.net> Thu Mar 12 03:10:16 2020 +0000
tree 326838e51eef11f84c9b4280ca6ed175479441bf
parent 4a45c84672f7eafef23c6210f3d8dd56ae020242

turnip: Enable VK_EXT_transform_feedback

Signed-off-by: Hyunjun Ko <zzoon@igalia.com>
Reviewed-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3942>

src/freedreno/vulkan/tu_device.c

diff --git a/src/freedreno/vulkan/tu_device.c b/src/freedreno/vulkan/tu_device.c
index 8c0459f..72a0050 100644
--- a/src/freedreno/vulkan/tu_device.c
+++ b/src/freedreno/vulkan/tu_device.c
@@ -712,6 +712,13 @@
          features->inheritedConditionalRendering = false;
          break;
       }
+      case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TRANSFORM_FEEDBACK_FEATURES_EXT: {
+         VkPhysicalDeviceTransformFeedbackFeaturesEXT *features =
+            (VkPhysicalDeviceTransformFeedbackFeaturesEXT *) ext;
+         features->transformFeedback = true;
+         features->geometryStreams = false;
+         break;
+      }
       default:
          break;
       }
@@ -911,6 +918,23 @@
          properties->maxMemoryAllocationSize = 0xFFFFFFFFull;
          break;
       }
+      case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TRANSFORM_FEEDBACK_PROPERTIES_EXT: {
+         VkPhysicalDeviceTransformFeedbackPropertiesEXT *properties =
+            (VkPhysicalDeviceTransformFeedbackPropertiesEXT *)ext;
+
+         properties->maxTransformFeedbackStreams = IR3_MAX_SO_STREAMS;
+         properties->maxTransformFeedbackBuffers = IR3_MAX_SO_BUFFERS;
+         properties->maxTransformFeedbackBufferSize = UINT32_MAX;
+         properties->maxTransformFeedbackStreamDataSize = 512;
+         properties->maxTransformFeedbackBufferDataSize = 512;
+         properties->maxTransformFeedbackBufferDataStride = 512;
+         /* TODO: enable xfb query */
+         properties->transformFeedbackQueries = false;
+         properties->transformFeedbackStreamsLinesTriangles = false;
+         properties->transformFeedbackRasterizationStreamSelect = false;
+         properties->transformFeedbackDraw = true;
+         break;
+      }
       default:
          break;
       }

src/freedreno/vulkan/tu_extensions.py

diff --git a/src/freedreno/vulkan/tu_extensions.py b/src/freedreno/vulkan/tu_extensions.py
index efeb8dc..ea54996 100644
--- a/src/freedreno/vulkan/tu_extensions.py
+++ b/src/freedreno/vulkan/tu_extensions.py
@@ -77,7 +77,7 @@
     Extension('VK_KHR_external_memory_fd',                1, True),
     Extension('VK_EXT_external_memory_dma_buf',           1, True),
     Extension('VK_EXT_image_drm_format_modifier',         1, False),
-    Extension('VK_EXT_transform_feedback',                1, False),
+    Extension('VK_EXT_transform_feedback',                1, True),
 ]
 
 class VkVersion: