diff --git a/Makefile.common b/Makefile.common
index b21ac70dff..5b28285af0 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -842,6 +842,7 @@ ifeq ($(HAVE_VULKAN), 1)
OBJ += gfx/drivers/vulkan.o \
gfx/common/vulkan_common.o \
+ gfx/drivers_context/khr_display_ctx.o \
libretro-common/vulkan/vulkan_symbol_wrapper.o \
gfx/drivers_font/vulkan_raster_font.o \
gfx/drivers_shader/shader_vulkan.o \
diff --git a/gfx/common/vulkan_common.c b/gfx/common/vulkan_common.c
index 9f88032508..331121218a 100644
--- a/gfx/common/vulkan_common.c
+++ b/gfx/common/vulkan_common.c
@@ -1202,6 +1202,47 @@ end:
return ret;
}
+static bool vulkan_context_init_gpu(gfx_ctx_vulkan_data_t *vk)
+{
+ uint32_t gpu_count = 0;
+ VkPhysicalDevice *gpus = NULL;
+
+ if (vk->context.gpu != VK_NULL_HANDLE)
+ return true;
+
+ if (vkEnumeratePhysicalDevices(vk->context.instance,
+ &gpu_count, NULL) != VK_SUCCESS)
+ {
+ RARCH_ERR("[Vulkan]: Failed to enumerate physical devices.\n");
+ return false;
+ }
+
+ gpus = (VkPhysicalDevice*)calloc(gpu_count, sizeof(*gpus));
+ if (!gpus)
+ {
+ RARCH_ERR("[Vulkan]: Failed to enumerate physical devices.\n");
+ return false;
+ }
+
+ if (vkEnumeratePhysicalDevices(vk->context.instance,
+ &gpu_count, gpus) != VK_SUCCESS)
+ {
+ RARCH_ERR("[Vulkan]: Failed to enumerate physical devices.\n");
+ return false;
+ }
+
+ if (gpu_count < 1)
+ {
+ RARCH_ERR("[Vulkan]: Failed to enumerate Vulkan physical device.\n");
+ free(gpus);
+ return false;
+ }
+
+ vk->context.gpu = gpus[0];
+ free(gpus);
+ return true;
+}
+
static bool vulkan_context_init_device(gfx_ctx_vulkan_data_t *vk)
{
bool use_device_ext;
@@ -1209,9 +1250,7 @@ static bool vulkan_context_init_device(gfx_ctx_vulkan_data_t *vk)
VkResult res;
unsigned i;
static const float one = 1.0f;
- uint32_t gpu_count = 1;
bool found_queue = false;
- VkPhysicalDevice *gpus = NULL;
VkPhysicalDeviceFeatures features = { false };
VkDeviceQueueCreateInfo queue_info = { VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO };
@@ -1246,7 +1285,7 @@ static bool vulkan_context_init_device(gfx_ctx_vulkan_data_t *vk)
const VkPhysicalDeviceFeatures features = { 0 };
bool ret = iface->create_device(&context, vk->context.instance,
- VK_NULL_HANDLE,
+ vk->context.gpu,
vk->vk_surface,
vulkan_symbol_wrapper_instance_proc_addr(),
device_extensions,
@@ -1287,39 +1326,8 @@ static bool vulkan_context_init_device(gfx_ctx_vulkan_data_t *vk)
cached_destroy_device = NULL;
}
- if (vk->context.gpu == VK_NULL_HANDLE)
- {
- if (vkEnumeratePhysicalDevices(vk->context.instance,
- &gpu_count, NULL) != VK_SUCCESS)
- {
- RARCH_ERR("[Vulkan]: Failed to enumerate physical devices.\n");
- return false;
- }
-
- gpus = (VkPhysicalDevice*)calloc(gpu_count, sizeof(*gpus));
- if (!gpus)
- {
- RARCH_ERR("[Vulkan]: Failed to enumerate physical devices.\n");
- return false;
- }
-
- if (vkEnumeratePhysicalDevices(vk->context.instance,
- &gpu_count, gpus) != VK_SUCCESS)
- {
- RARCH_ERR("[Vulkan]: Failed to enumerate physical devices.\n");
- return false;
- }
-
- if (gpu_count < 1)
- {
- RARCH_ERR("[Vulkan]: Failed to enumerate Vulkan physical device.\n");
- free(gpus);
- return false;
- }
-
- vk->context.gpu = gpus[0];
- free(gpus);
- }
+ if (!vulkan_context_init_gpu(vk))
+ return false;
vkGetPhysicalDeviceProperties(vk->context.gpu,
&vk->context.gpu_properties);
@@ -1611,17 +1619,47 @@ bool vulkan_context_init(gfx_ctx_vulkan_data_t *vk,
return true;
}
-static void vulkan_update_display_mode(VkDisplayModeKHR *best_mode,
+static bool vulkan_update_display_mode(
unsigned *width,
unsigned *height,
const VkDisplayModePropertiesKHR *mode,
const struct vulkan_display_surface_info *info)
{
- *best_mode = VK_NULL_HANDLE;
- *width = 0;
- *height = 0;
- (void)mode;
- (void)info;
+ unsigned visible_width = mode->parameters.visibleRegion.width;
+ unsigned visible_height = mode->parameters.visibleRegion.height;
+
+ if (!info->width || !info->height)
+ {
+ /* Strategy here is to pick something which is largest resolution. */
+ unsigned area = visible_width * visible_height;
+ if (area > (*width) * (*height))
+ {
+ *width = visible_width;
+ *height = visible_height;
+ return true;
+ }
+ else
+ return false;
+ }
+ else
+ {
+ /* For particular resolutions, find the closest. */
+ int delta_x = (int)info->width - (int)visible_width;
+ int delta_y = (int)info->height - (int)visible_height;
+ int old_delta_x = (int)info->width - (int)*width;
+ int old_delta_y = (int)info->height - (int)*height;
+
+ int dist = delta_x * delta_x + delta_y * delta_y;
+ int old_dist = old_delta_x * old_delta_x + old_delta_y * old_delta_y;
+ if (dist < old_dist)
+ {
+ *width = visible_width;
+ *height = visible_height;
+ return true;
+ }
+ else
+ return false;
+ }
}
static bool vulkan_create_display_surface(gfx_ctx_vulkan_data_t *vk,
@@ -1641,6 +1679,10 @@ static bool vulkan_create_display_surface(gfx_ctx_vulkan_data_t *vk,
VkDisplaySurfaceCreateInfoKHR create_info = { VK_STRUCTURE_TYPE_DISPLAY_SURFACE_CREATE_INFO_KHR };
VkDisplayModeKHR best_mode = VK_NULL_HANDLE;
+ /* We need to decide on GPU here to be able to query support. */
+ if (!vulkan_context_init_gpu(vk))
+ return false;
+
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance,
vkGetPhysicalDeviceDisplayPropertiesKHR);
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance,
@@ -1698,7 +1740,8 @@ static bool vulkan_create_display_surface(gfx_ctx_vulkan_data_t *vk,
for (i = 0; i < mode_count; i++)
{
const VkDisplayModePropertiesKHR *mode = &modes[i];
- vulkan_update_display_mode(&best_mode, width, height, mode, info);
+ if (vulkan_update_display_mode(width, height, mode, info))
+ best_mode = modes[i].displayMode;
}
free(modes);
diff --git a/gfx/drivers_context/khr_display_ctx.c b/gfx/drivers_context/khr_display_ctx.c
new file mode 100644
index 0000000000..1ab7ec45e8
--- /dev/null
+++ b/gfx/drivers_context/khr_display_ctx.c
@@ -0,0 +1,260 @@
+/* RetroArch - A frontend for libretro.
+ * Copyright (C) 2016 - Hans-Kristian Arntzen
+ *
+ * RetroArch is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Found-
+ * ation, either version 3 of the License, or (at your option) any later version.
+ *
+ * RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with RetroArch.
+ * If not, see .
+ */
+
+#include
+#include "../../driver.h"
+#include "../../general.h"
+#include "../../runloop.h"
+#include "../common/vulkan_common.h"
+
+typedef struct
+{
+ gfx_ctx_vulkan_data_t vk;
+ unsigned swap_interval;
+ unsigned width;
+ unsigned height;
+} khr_display_ctx_data_t;
+
+static void gfx_ctx_khr_display_destroy(void *data)
+{
+ khr_display_ctx_data_t *khr = (khr_display_ctx_data_t*)data;
+ if (!khr)
+ return;
+
+ vulkan_context_destroy(&khr->vk, true);
+#ifdef HAVE_THREADS
+ if (khr->vk.context.queue_lock)
+ slock_free(khr->vk.context.queue_lock);
+#endif
+ free(khr);
+}
+
+static void gfx_ctx_khr_display_get_video_size(void *data,
+ unsigned *width, unsigned *height)
+{
+ khr_display_ctx_data_t *khr = (khr_display_ctx_data_t*)data;
+
+ *width = khr->width;
+ *height = khr->height;
+}
+
+static void *gfx_ctx_khr_display_init(void *video_driver)
+{
+ khr_display_ctx_data_t *khr = (khr_display_ctx_data_t*)calloc(1, sizeof(*khr));
+ if (!khr)
+ return NULL;
+
+ if (!vulkan_context_init(&khr->vk, VULKAN_WSI_DISPLAY))
+ {
+ RARCH_ERR("[Vulkan]: Failed to create Vulkan context.\n");
+ goto error;
+ }
+
+ return khr;
+
+error:
+ gfx_ctx_khr_display_destroy(khr);
+ return NULL;
+}
+
+static void gfx_ctx_khr_display_check_window(void *data, bool *quit,
+ bool *resize, unsigned *width, unsigned *height, unsigned frame_count)
+{
+ khr_display_ctx_data_t *khr = (khr_display_ctx_data_t*)data;
+ (void)frame_count;
+
+ *resize = khr->vk.need_new_swapchain;
+
+ if (khr->width != *width || khr->height != *height)
+ {
+ *width = khr->width;
+ *height = khr->height;
+ *resize = true;
+ }
+
+ if (runloop_ctl(RUNLOOP_CTL_IS_SHUTDOWN, NULL))
+ *quit = true;
+}
+
+static bool gfx_ctx_khr_display_set_resize(void *data,
+ unsigned width, unsigned height)
+{
+ khr_display_ctx_data_t *khr = (khr_display_ctx_data_t*)data;
+
+ khr->width = width;
+ khr->height = height;
+ if (!vulkan_create_swapchain(&khr->vk, khr->width, khr->height, khr->swap_interval))
+ {
+ RARCH_ERR("[Vulkan]: Failed to update swapchain.\n");
+ return false;
+ }
+
+ khr->vk.context.invalid_swapchain = true;
+ khr->vk.need_new_swapchain = false;
+ return false;
+}
+
+static void gfx_ctx_khr_display_update_window_title(void *data)
+{
+ char buf[128] = {0};
+ char buf_fps[128] = {0};
+ settings_t *settings = config_get_ptr();
+
+ (void)data;
+
+ video_monitor_get_fps(buf, sizeof(buf),
+ buf_fps, sizeof(buf_fps));
+ if (settings->fps_show)
+ runloop_msg_queue_push(buf_fps, 1, 1, false);
+}
+
+static bool gfx_ctx_khr_display_set_video_mode(void *data,
+ unsigned width, unsigned height,
+ bool fullscreen)
+{
+ khr_display_ctx_data_t *khr = (khr_display_ctx_data_t*)data;
+
+ if (!fullscreen)
+ {
+ width = 0;
+ height = 0;
+ }
+
+ struct vulkan_display_surface_info info = { width, height };
+ if (!vulkan_surface_create(&khr->vk, VULKAN_WSI_DISPLAY, &info, NULL,
+ 0, 0, khr->swap_interval))
+ {
+ RARCH_ERR("[Vulkan]: Failed to create KHR_display surface.\n");
+ goto error;
+ }
+
+ khr->width = khr->vk.context.swapchain_width;
+ khr->height = khr->vk.context.swapchain_height;
+
+ return true;
+
+error:
+ gfx_ctx_khr_display_destroy(data);
+ return false;
+}
+
+static void gfx_ctx_khr_display_input_driver(void *data,
+ const input_driver_t **input, void **input_data)
+{
+ (void)data;
+ *input = NULL;
+ *input_data = NULL;
+}
+
+static bool gfx_ctx_khr_display_bind_api(void *data,
+ enum gfx_ctx_api api, unsigned major, unsigned minor)
+{
+ (void)data;
+ (void)major;
+ (void)minor;
+ return api == GFX_CTX_VULKAN_API;
+}
+
+static bool gfx_ctx_khr_display_has_focus(void *data)
+{
+ (void)data;
+ return true;
+}
+
+static bool gfx_ctx_khr_display_suppress_screensaver(void *data, bool enable)
+{
+ (void)data;
+ (void)enable;
+ return false;
+}
+
+static bool gfx_ctx_khr_display_has_windowed(void *data)
+{
+ (void)data;
+ return false;
+}
+
+static void gfx_ctx_khr_display_set_swap_interval(void *data, unsigned swap_interval)
+{
+ khr_display_ctx_data_t *khr = (khr_display_ctx_data_t*)data;
+ if (khr->swap_interval != swap_interval)
+ {
+ khr->swap_interval = swap_interval;
+ if (khr->vk.swapchain)
+ khr->vk.need_new_swapchain = true;
+ }
+}
+
+static void gfx_ctx_khr_display_swap_buffers(void *data)
+{
+ khr_display_ctx_data_t *khr = (khr_display_ctx_data_t*)data;
+ vulkan_present(&khr->vk, khr->vk.context.current_swapchain_index);
+ vulkan_acquire_next_image(&khr->vk);
+}
+
+static gfx_ctx_proc_t gfx_ctx_khr_display_get_proc_address(const char *symbol)
+{
+ return NULL;
+}
+
+static uint32_t gfx_ctx_khr_display_get_flags(void *data)
+{
+ uint32_t flags = 0;
+ BIT32_SET(flags, GFX_CTX_FLAGS_NONE);
+ return flags;
+}
+
+static void gfx_ctx_khr_display_set_flags(void *data, uint32_t flags)
+{
+ (void)data;
+}
+
+static void *gfx_ctx_khr_display_get_context_data(void *data)
+{
+ khr_display_ctx_data_t *khr = (khr_display_ctx_data_t*)data;
+ return &khr->vk.context;
+}
+
+const gfx_ctx_driver_t gfx_ctx_khr_display = {
+ gfx_ctx_khr_display_init,
+ gfx_ctx_khr_display_destroy,
+ gfx_ctx_khr_display_bind_api,
+ gfx_ctx_khr_display_set_swap_interval,
+ gfx_ctx_khr_display_set_video_mode,
+ gfx_ctx_khr_display_get_video_size,
+ NULL, /* get_video_output_size */
+ NULL, /* get_video_output_prev */
+ NULL, /* get_video_output_next */
+ NULL, /* get_metrics */
+ NULL,
+ gfx_ctx_khr_display_update_window_title,
+ gfx_ctx_khr_display_check_window,
+ gfx_ctx_khr_display_set_resize,
+ gfx_ctx_khr_display_has_focus,
+ gfx_ctx_khr_display_suppress_screensaver,
+ gfx_ctx_khr_display_has_windowed,
+ gfx_ctx_khr_display_swap_buffers,
+ gfx_ctx_khr_display_input_driver,
+ gfx_ctx_khr_display_get_proc_address,
+ NULL,
+ NULL,
+ NULL,
+ "khr_display",
+ gfx_ctx_khr_display_get_flags,
+ gfx_ctx_khr_display_set_flags,
+ NULL,
+ gfx_ctx_khr_display_get_context_data,
+};
+
diff --git a/gfx/video_context_driver.c b/gfx/video_context_driver.c
index 6df37d8023..a2cb8a196d 100644
--- a/gfx/video_context_driver.c
+++ b/gfx/video_context_driver.c
@@ -80,6 +80,9 @@ static const gfx_ctx_driver_t *gfx_ctx_drivers[] = {
#endif
#ifdef EMSCRIPTEN
&gfx_ctx_emscripten,
+#endif
+#ifdef HAVE_VULKAN
+ &gfx_ctx_khr_display,
#endif
&gfx_ctx_null,
NULL
diff --git a/gfx/video_context_driver.h b/gfx/video_context_driver.h
index c98ca0ebb2..e4bba14826 100644
--- a/gfx/video_context_driver.h
+++ b/gfx/video_context_driver.h
@@ -243,6 +243,7 @@ extern const gfx_ctx_driver_t gfx_ctx_cgl;
extern const gfx_ctx_driver_t gfx_ctx_cocoagl;
extern const gfx_ctx_driver_t gfx_ctx_emscripten;
extern const gfx_ctx_driver_t gfx_ctx_opendingux_fbdev;
+extern const gfx_ctx_driver_t gfx_ctx_khr_display;
extern const gfx_ctx_driver_t gfx_ctx_null;
/**