vkr: add VK_EXT_line_rasterization support

Signed-off-by: Yiwei Zhang <zzyiwei@chromium.org>
Part-of: <https://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/721>

src/venus/vkr_command_buffer.c

@@ -578,6 +578,17 @@ vkr_dispatch_vkCmdDrawIndexedIndirectCount(
       args->countBufferOffset, args->maxDrawCount, args->stride);
 }
 
+static void
+vkr_dispatch_vkCmdSetLineStippleEXT(UNUSED struct vn_dispatch_context *dispatch,
+                                    struct vn_command_vkCmdSetLineStippleEXT *args)
+{
+   struct vkr_command_buffer *cmd = vkr_command_buffer_from_handle(args->commandBuffer);
+
+   vn_replace_vkCmdSetLineStippleEXT_args_handle(args);
+   cmd->device->cmd_set_line_stipple(args->commandBuffer, args->lineStippleFactor,
+                                     args->lineStipplePattern);
+}
+
 static void
 vkr_dispatch_vkCmdBindTransformFeedbackBuffersEXT(
    UNUSED struct vn_dispatch_context *dispatch,
@@ -856,6 +867,8 @@ vkr_context_init_command_buffer_dispatch(struct vkr_context *ctx)
    dispatch->dispatch_vkCmdDrawIndexedIndirectCount =
       vkr_dispatch_vkCmdDrawIndexedIndirectCount;
 
+   dispatch->dispatch_vkCmdSetLineStippleEXT = vkr_dispatch_vkCmdSetLineStippleEXT;
+
    dispatch->dispatch_vkCmdBindTransformFeedbackBuffersEXT =
       vkr_dispatch_vkCmdBindTransformFeedbackBuffersEXT;
    dispatch->dispatch_vkCmdBeginTransformFeedbackEXT =

src/venus/vkr_common.c

@@ -96,6 +96,7 @@ static const struct vn_info_extension_table vkr_extension_table = {
    .EXT_custom_border_color = true,
    .EXT_external_memory_dma_buf = true,
    .EXT_image_drm_format_modifier = true,
+   .EXT_line_rasterization = true,
    .EXT_queue_family_foreign = true,
    .EXT_transform_feedback = true,
 };

src/venus/vkr_device.c

@@ -185,6 +185,9 @@ vkr_device_init_entry_points(struct vkr_device *dev, uint32_t api_version)
             handle, "vkCmdSetViewportWithCountEXT");
    }
 
+   dev->cmd_set_line_stipple =
+      (PFN_vkCmdSetLineStippleEXT)vkGetDeviceProcAddr(handle, "vkCmdSetLineStippleEXT");
+
    dev->cmd_bind_transform_feedback_buffers =
       (PFN_vkCmdBindTransformFeedbackBuffersEXT)vkGetDeviceProcAddr(
          handle, "vkCmdBindTransformFeedbackBuffersEXT");

src/venus/vkr_device.h

@@ -44,6 +44,8 @@ struct vkr_device {
    PFN_vkCmdSetStencilTestEnable cmd_set_stencil_test_enable;
    PFN_vkCmdSetViewportWithCount cmd_set_viewport_with_count;
 
+   PFN_vkCmdSetLineStippleEXT cmd_set_line_stipple;
+
    PFN_vkCmdBindTransformFeedbackBuffersEXT cmd_bind_transform_feedback_buffers;
    PFN_vkCmdBeginTransformFeedbackEXT cmd_begin_transform_feedback;
    PFN_vkCmdEndTransformFeedbackEXT cmd_end_transform_feedback;