vulkan: Add support for VK_EXT_depth_clamp_control

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31411>

src/vulkan/runtime/vk_graphics_state.c

@@ -64,6 +64,7 @@ get_dynamic_state_groups(BITSET_WORD *dynamic,
       BITSET_SET(dynamic, MESA_VK_DYNAMIC_VP_SCISSOR_COUNT);
       BITSET_SET(dynamic, MESA_VK_DYNAMIC_VP_SCISSORS);
       BITSET_SET(dynamic, MESA_VK_DYNAMIC_VP_DEPTH_CLIP_NEGATIVE_ONE_TO_ONE);
+      BITSET_SET(dynamic, MESA_VK_DYNAMIC_VP_DEPTH_CLAMP_RANGE);
    }
 
    if (groups & MESA_VK_GRAPHICS_STATE_DISCARD_RECTANGLES_BIT) {
@@ -293,6 +294,7 @@ vk_get_dynamic_graphics_states(BITSET_WORD *dynamic,
       CASE( LINE_STIPPLE_ENABLE_EXT,      RS_LINE_STIPPLE_ENABLE)
       CASE( DEPTH_CLIP_NEGATIVE_ONE_TO_ONE_EXT, VP_DEPTH_CLIP_NEGATIVE_ONE_TO_ONE)
       CASE( ATTACHMENT_FEEDBACK_LOOP_ENABLE_EXT, ATTACHMENT_FEEDBACK_LOOP_ENABLE)
+      CASE( DEPTH_CLAMP_RANGE_EXT,        VP_DEPTH_CLAMP_RANGE)
       default:
          unreachable("Unsupported dynamic graphics state");
       }
@@ -497,6 +499,17 @@ vk_viewport_state_init(struct vk_viewport_state *vp,
       if (vp_dcc_info != NULL)
          vp->depth_clip_negative_one_to_one = vp_dcc_info->negativeOneToOne;
    }
+
+   if (!IS_DYNAMIC(VP_DEPTH_CLAMP_RANGE)) {
+      const VkPipelineViewportDepthClampControlCreateInfoEXT *vp_dcc_info =
+         vk_find_struct_const(vp_info->pNext,
+                              PIPELINE_VIEWPORT_DEPTH_CLAMP_CONTROL_CREATE_INFO_EXT);
+      if (vp_dcc_info != NULL) {
+         vp->depth_clamp_mode = vp_dcc_info->depthClampMode;
+         if (vp->depth_clamp_mode == VK_DEPTH_CLAMP_MODE_USER_DEFINED_RANGE_EXT)
+            vp->depth_clamp_range = *vp_dcc_info->pDepthClampRange;
+      }
+   }
 }
 
 static void
@@ -513,6 +526,8 @@ vk_dynamic_graphics_state_init_vp(struct vk_dynamic_graphics_state *dst,
       typed_memcpy(dst->vp.scissors, vp->scissors, vp->scissor_count);
 
    dst->vp.depth_clip_negative_one_to_one = vp->depth_clip_negative_one_to_one;
+   dst->vp.depth_clamp_mode = vp->depth_clamp_mode;
+   dst->vp.depth_clamp_range = vp->depth_clamp_range;
 }
 
 static void
@@ -2086,6 +2101,12 @@ vk_dynamic_graphics_state_copy(struct vk_dynamic_graphics_state *dst,
    COPY_IF_SET(VP_DEPTH_CLIP_NEGATIVE_ONE_TO_ONE,
                vp.depth_clip_negative_one_to_one);
 
+   if (IS_SET_IN_SRC(VP_DEPTH_CLAMP_RANGE)) {
+      COPY_MEMBER(VP_DEPTH_CLAMP_RANGE, vp.depth_clamp_mode);
+      COPY_MEMBER(VP_DEPTH_CLAMP_RANGE, vp.depth_clamp_range.minDepthClamp);
+      COPY_MEMBER(VP_DEPTH_CLAMP_RANGE, vp.depth_clamp_range.maxDepthClamp);
+   }
+
    COPY_IF_SET(DR_ENABLE, dr.enable);
    COPY_IF_SET(DR_MODE, dr.mode);
    if (IS_SET_IN_SRC(DR_RECTANGLES)) {
@@ -3155,6 +3176,23 @@ vk_common_CmdSetRenderingInputAttachmentIndicesKHR(
    SET_DYN_VALUE(dyn, INPUT_ATTACHMENT_MAP, ial.stencil_att, stencil_att);
 }
 
+VKAPI_ATTR void VKAPI_CALL
+vk_common_CmdSetDepthClampRangeEXT(VkCommandBuffer commandBuffer,
+                                   VkDepthClampModeEXT depthClampMode,
+                                   const VkDepthClampRangeEXT* pDepthClampRange)
+{
+   VK_FROM_HANDLE(vk_command_buffer, cmd, commandBuffer);
+   struct vk_dynamic_graphics_state *dyn = &cmd->dynamic_graphics_state;
+
+   SET_DYN_BOOL(dyn, VP_DEPTH_CLAMP_RANGE, vp.depth_clamp_mode, depthClampMode);
+   if (depthClampMode == VK_DEPTH_CLAMP_MODE_USER_DEFINED_RANGE_EXT) {
+      SET_DYN_VALUE(dyn, VP_DEPTH_CLAMP_RANGE, vp.depth_clamp_range.minDepthClamp,
+                    pDepthClampRange->minDepthClamp);
+      SET_DYN_VALUE(dyn, VP_DEPTH_CLAMP_RANGE, vp.depth_clamp_range.maxDepthClamp,
+                    pDepthClampRange->maxDepthClamp);
+   }
+}
+
 /* These are stubs required by VK_EXT_shader_object */
 
 VKAPI_ATTR void VKAPI_CALL
@@ -3249,6 +3287,7 @@ vk_dynamic_graphic_state_to_str(enum mesa_vk_dynamic_graphics_state state)
       NAME(VP_SCISSOR_COUNT);
       NAME(VP_SCISSORS);
       NAME(VP_DEPTH_CLIP_NEGATIVE_ONE_TO_ONE);
+      NAME(VP_DEPTH_CLAMP_RANGE);
       NAME(DR_RECTANGLES);
       NAME(DR_MODE);
       NAME(DR_ENABLE);

src/vulkan/runtime/vk_graphics_state.h

@@ -58,6 +58,7 @@ enum mesa_vk_dynamic_graphics_state {
    MESA_VK_DYNAMIC_VP_SCISSOR_COUNT,
    MESA_VK_DYNAMIC_VP_SCISSORS,
    MESA_VK_DYNAMIC_VP_DEPTH_CLIP_NEGATIVE_ONE_TO_ONE,
+   MESA_VK_DYNAMIC_VP_DEPTH_CLAMP_RANGE,
    MESA_VK_DYNAMIC_DR_RECTANGLES,
    MESA_VK_DYNAMIC_DR_MODE,
    MESA_VK_DYNAMIC_DR_ENABLE,
@@ -197,6 +198,18 @@ struct vk_viewport_state {
     */
    bool depth_clip_negative_one_to_one;
 
+   /** VkPipelineViewportDepthClampControlCreateInfoEXT::depthClampMode
+    *
+    * MESA_VK_DYNAMIC_GRAPHICS_STATE_VP_DEPTH_CLAMP_RANGE
+    */
+   VkDepthClampModeEXT depth_clamp_mode;
+
+   /** VkPipelineViewportDepthClampControlCreateInfoEXT::pDepthClampRange
+    *
+    * MESA_VK_DYNAMIC_GRAPHICS_STATE_VP_DEPTH_CLAMP_RANGE
+    */
+   VkDepthClampRangeEXT depth_clamp_range;
+
    /** VkPipelineViewportStateCreateInfo::viewportCount
     *
     * MESA_VK_DYNAMIC_GRAPHICS_STATE_VP_VIEWPORT_COUNT