display: implement vk_CreateDisplayModeKHR

	need review vk_display_t.custom_modes

Change-Id: I5879fbc936b6b6aacc75571bf647445b5fa06b70

diff --git a/src/wsi/display.c b/src/wsi/display.c
index 0a9b41d..dc435be 100644 (file)
--- a/src/wsi/display.c
+++ b/src/wsi/display.c
@@ -297,8 +297,50 @@ vk_CreateDisplayModeKHR(VkPhysicalDevice                                    pdev,
                                                const VkAllocationCallbacks                     *allocator,
                                                VkDisplayModeKHR                                        *mode)
 {
-       /* TODO: */
-       return VK_ERROR_INITIALIZATION_FAILED;
+       vk_display_mode_t               *disp_mode;
+       vk_display_t                    *dpy = VK_TO_POINTER(vk_display_t, display);
+       uint32_t                                 i;
+
+       for (i = 0; i < dpy->built_in_mode_count; i++) {
+               VkDisplayModePropertiesKHR *prop = &dpy->built_in_modes[i].prop;
+               if (prop->parameters.visibleRegion.width == info->parameters.visibleRegion.width &&
+                       prop->parameters.visibleRegion.height == info->parameters.visibleRegion.height &&
+                       prop->parameters.refreshRate == info->parameters.refreshRate) {
+                       *mode = prop->displayMode;
+                       return VK_SUCCESS;
+               }
+       }
+
+       for (i = 0; i < dpy->custom_mode_count; i++) {
+               VkDisplayModePropertiesKHR *prop = &dpy->custom_modes[i].prop;
+               if (prop->parameters.visibleRegion.width == info->parameters.visibleRegion.width &&
+                       prop->parameters.visibleRegion.height == info->parameters.visibleRegion.height &&
+                       prop->parameters.refreshRate == info->parameters.refreshRate) {
+                       *mode = prop->displayMode;
+                       return VK_SUCCESS;
+               }
+       }
+
+       /* can't found */
+       allocator = allocator ? allocator : vk_get_allocator(NULL, allocator);
+       disp_mode = vk_realloc(allocator, dpy->custom_modes,
+                                                  sizeof(vk_display_mode_t) * (dpy->custom_mode_count + 1),
+                                                  VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
+       VK_CHECK(disp_mode, return VK_ERROR_OUT_OF_HOST_MEMORY, "vk_alloc() failed.\n");
+
+       /* TODO: need check prop */
+       dpy->custom_modes = disp_mode;
+       disp_mode = &dpy->custom_modes[dpy->custom_mode_count++];
+
+       disp_mode->display = dpy;
+       disp_mode->prop.parameters.visibleRegion.width = info->parameters.visibleRegion.width;
+       disp_mode->prop.parameters.visibleRegion.height = info->parameters.visibleRegion.height;
+       disp_mode->prop.parameters.refreshRate = info->parameters.refreshRate;
+       disp_mode->prop.displayMode = VK_TO_HANDLE(VkDisplayModeKHR, disp_mode);
+
+       *mode = disp_mode->prop.displayMode;
+
+       return VK_SUCCESS;
 }
 
 VKAPI_ATTR VkResult VKAPI_CALL