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Sketch out vulkan_create_display_surface.

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This commit is contained in:
Hans-Kristian Arntzen 2016-07-06 20:27:39 +02:00
parent e9046dd06f
commit d2fafc5451
1 changed files with 152 additions and 1 deletions
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153
gfx/common/vulkan_common.c
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@ -1611,10 +1611,36 @@ bool vulkan_context_init(gfx_ctx_vulkan_data_t *vk,
return true;
}
static void vulkan_update_display_mode(VkDisplayModeKHR *best_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;
}
static bool vulkan_create_display_surface(gfx_ctx_vulkan_data_t *vk,
unsigned *width, unsigned *height,
const struct vulkan_display_surface_info *info)
{
bool ret = true;
uint32_t display_count = 0;
uint32_t plane_count = 0;
VkDisplayPropertiesKHR *displays = NULL;
VkDisplayPlanePropertiesKHR *planes = NULL;
uint32_t mode_count = 0;
VkDisplayModePropertiesKHR *modes = NULL;
unsigned dpy, i, j;
uint32_t best_plane = UINT32_MAX;
VkDisplayPlaneAlphaFlagsKHR alpha_mode = VK_DISPLAY_PLANE_ALPHA_OPAQUE_BIT_KHR;
VkDisplaySurfaceCreateInfoKHR create_info = { VK_STRUCTURE_TYPE_DISPLAY_SURFACE_CREATE_INFO_KHR };
VkDisplayModeKHR best_mode = VK_NULL_HANDLE;
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance,
vkGetPhysicalDeviceDisplayPropertiesKHR);
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance,
@ -1630,7 +1656,132 @@ static bool vulkan_create_display_surface(gfx_ctx_vulkan_data_t *vk,
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance,
vkCreateDisplayPlaneSurfaceKHR);
return false;
#define GOTO_FAIL() do { \
ret = false; \
goto end; \
} while(0)
if (vkGetPhysicalDeviceDisplayPropertiesKHR(vk->context.gpu, &display_count, NULL) != VK_SUCCESS)
GOTO_FAIL();
displays = (VkDisplayPropertiesKHR*)calloc(display_count, sizeof(*displays));
if (!displays)
GOTO_FAIL();
if (vkGetPhysicalDeviceDisplayPropertiesKHR(vk->context.gpu, &display_count, displays) != VK_SUCCESS)
GOTO_FAIL();
if (vkGetPhysicalDeviceDisplayPlanePropertiesKHR(vk->context.gpu, &plane_count, NULL) != VK_SUCCESS)
GOTO_FAIL();
planes = (VkDisplayPlanePropertiesKHR*)calloc(plane_count, sizeof(*planes));
if (!planes)
GOTO_FAIL();
if (vkGetPhysicalDeviceDisplayPlanePropertiesKHR(vk->context.gpu, &plane_count, planes) != VK_SUCCESS)
GOTO_FAIL();
for (dpy = 0; dpy < display_count; dpy++)
{
VkDisplayKHR display = displays[dpy].display;
best_mode = VK_NULL_HANDLE;
best_plane = UINT32_MAX;
if (vkGetDisplayModePropertiesKHR(vk->context.gpu,
display, &mode_count, NULL) != VK_SUCCESS)
GOTO_FAIL();
modes = (VkDisplayModePropertiesKHR*)calloc(mode_count, sizeof(*modes));
if (!modes)
GOTO_FAIL();
if (vkGetDisplayModePropertiesKHR(vk->context.gpu,
display, &mode_count, modes) != VK_SUCCESS)
GOTO_FAIL();
for (i = 0; i < mode_count; i++)
{
const VkDisplayModePropertiesKHR *mode = &modes[i];
vulkan_update_display_mode(&best_mode, width, height, mode, info);
}
free(modes);
modes = NULL;
mode_count = 0;
if (best_mode == VK_NULL_HANDLE)
continue;
for (i = 0; i < plane_count; i++)
{
uint32_t supported_count = 0;
VkDisplayKHR *supported = NULL;
VkDisplayPlaneCapabilitiesKHR plane_caps;
vkGetDisplayPlaneSupportedDisplaysKHR(vk->context.gpu, i, &supported_count, NULL);
if (!supported_count)
continue;
supported = (VkDisplayKHR*)calloc(supported_count, sizeof(*supported));
if (!supported)
GOTO_FAIL();
vkGetDisplayPlaneSupportedDisplaysKHR(vk->context.gpu, i, &supported_count,
supported);
for (j = 0; j < supported_count; j++)
{
if (supported[j] == display)
{
if (best_plane == UINT32_MAX)
best_plane = j;
break;
}
}
free(supported);
supported = NULL;
if (j == supported_count)
continue;
if (planes[i].currentDisplay == VK_NULL_HANDLE ||
planes[i].currentDisplay == display)
best_plane = j;
else
continue;
vkGetDisplayPlaneCapabilitiesKHR(vk->context.gpu,
best_mode, i, &plane_caps);
if (plane_caps.supportedAlpha & VK_DISPLAY_PLANE_ALPHA_OPAQUE_BIT_KHR)
{
best_plane = j;
alpha_mode = VK_DISPLAY_PLANE_ALPHA_OPAQUE_BIT_KHR;
goto out;
}
}
}
out:
if (best_mode == VK_NULL_HANDLE)
GOTO_FAIL();
if (best_plane == UINT32_MAX)
GOTO_FAIL();
create_info.displayMode = best_mode;
create_info.planeIndex = best_plane;
create_info.planeStackIndex = planes[best_plane].currentStackIndex;
create_info.transform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
create_info.globalAlpha = 1.0f;
create_info.alphaMode = alpha_mode;
create_info.imageExtent.width = *width;
create_info.imageExtent.height = *height;
if (vkCreateDisplayPlaneSurfaceKHR(vk->context.instance,
&create_info, NULL, &vk->vk_surface) != VK_SUCCESS)
GOTO_FAIL();
end:
free(displays);
free(planes);
free(modes);
return ret;
}
bool vulkan_surface_create(gfx_ctx_vulkan_data_t *vk,