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RetroArch/gfx/common/vulkan_common.c

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/* 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 <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#ifdef HAVE_X11
#ifdef HAVE_XCB
#include <X11/Xlib-xcb.h>
#endif
#endif
#include <retro_assert.h>
#include <dynamic/dylib.h>
#include "vulkan_common.h"
#include "../../performance_counters.h"
static dylib_t vulkan_library;
static VkInstance cached_instance;
static VkDevice cached_device;
static retro_vulkan_destroy_device_t cached_destroy_device;
#ifdef VULKAN_DEBUG
static VKAPI_ATTR VkBool32 VKAPI_CALL vulkan_debug_cb(
VkDebugReportFlagsEXT flags,
VkDebugReportObjectTypeEXT objectType,
uint64_t object,
size_t location,
int32_t messageCode,
const char *pLayerPrefix,
const char *pMessage,
void *pUserData)
{
(void)objectType;
(void)object;
(void)location;
(void)messageCode;
(void)pUserData;
if (flags & VK_DEBUG_REPORT_ERROR_BIT_EXT)
{
RARCH_ERR("[Vulkan]: Error: %s: %s\n",
pLayerPrefix, pMessage);
}
else if (flags & VK_DEBUG_REPORT_WARNING_BIT_EXT)
{
RARCH_WARN("[Vulkan]: Warning: %s: %s\n",
pLayerPrefix, pMessage);
}
else if (flags & VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT)
{
RARCH_LOG("[Vulkan]: Performance warning: %s: %s\n",
pLayerPrefix, pMessage);
}
else
{
RARCH_LOG("[Vulkan]: Information: %s: %s\n",
pLayerPrefix, pMessage);
}
return VK_FALSE;
}
#endif
uint32_t vulkan_find_memory_type(
const VkPhysicalDeviceMemoryProperties *mem_props,
uint32_t device_reqs, uint32_t host_reqs)
{
uint32_t i;
for (i = 0; i < VK_MAX_MEMORY_TYPES; i++)
{
if ((device_reqs & (1u << i)) &&
(mem_props->memoryTypes[i].propertyFlags & host_reqs) == host_reqs)
return i;
}
RARCH_ERR("[Vulkan]: Failed to find valid memory type. This should never happen.");
abort();
}
uint32_t vulkan_find_memory_type_fallback(
const VkPhysicalDeviceMemoryProperties *mem_props,
uint32_t device_reqs, uint32_t host_reqs_first,
uint32_t host_reqs_second)
{
uint32_t i;
for (i = 0; i < VK_MAX_MEMORY_TYPES; i++)
{
if ((device_reqs & (1u << i)) &&
(mem_props->memoryTypes[i].propertyFlags & host_reqs_first) == host_reqs_first)
return i;
}
if (host_reqs_first == 0)
{
RARCH_ERR("[Vulkan]: Failed to find valid memory type. This should never happen.");
abort();
}
return vulkan_find_memory_type_fallback(mem_props,
device_reqs, host_reqs_second, 0);
}
void vulkan_transfer_image_ownership(VkCommandBuffer cmd,
VkImage image, VkImageLayout layout,
VkPipelineStageFlags src_stages,
VkPipelineStageFlags dst_stages,
uint32_t src_queue_family,
uint32_t dst_queue_family)
{
VkImageMemoryBarrier barrier =
{ VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER };
barrier.srcAccessMask = 0;
barrier.dstAccessMask = 0;
barrier.oldLayout = layout;
barrier.newLayout = layout;
barrier.srcQueueFamilyIndex = src_queue_family;
barrier.dstQueueFamilyIndex = dst_queue_family;
barrier.image = image;
barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
barrier.subresourceRange.levelCount = VK_REMAINING_MIP_LEVELS;
barrier.subresourceRange.layerCount = VK_REMAINING_ARRAY_LAYERS;
vkCmdPipelineBarrier(cmd, src_stages, dst_stages,
false, 0, NULL, 0, NULL, 1, &barrier);
}
void vulkan_map_persistent_texture(
VkDevice device,
struct vk_texture *texture)
{
vkMapMemory(device, texture->memory, texture->offset,
texture->size, 0, &texture->mapped);
}
void vulkan_copy_staging_to_dynamic(vk_t *vk, VkCommandBuffer cmd,
struct vk_texture *dynamic,
struct vk_texture *staging)
{
VkImageCopy region;
retro_assert(dynamic->type == VULKAN_TEXTURE_DYNAMIC);
retro_assert(staging->type == VULKAN_TEXTURE_STAGING);
vulkan_sync_texture_to_gpu(vk, staging);
vulkan_transition_texture(vk, staging);
/* We don't have to sync against previous TRANSFER,
* since we observed the completion by fences.
*
* If we have a single texture_optimal, we would need to sync against
* previous transfers to avoid races.
*
* We would also need to optionally maintain extra textures due to
* changes in resolution, so this seems like the sanest and
* simplest solution. */
vulkan_image_layout_transition(vk, vk->cmd, dynamic->image,
VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
0, VK_ACCESS_TRANSFER_WRITE_BIT,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT);
memset(&region, 0, sizeof(region));
region.extent.width = dynamic->width;
region.extent.height = dynamic->height;
region.extent.depth = 1;
region.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
region.srcSubresource.layerCount = 1;
region.dstSubresource = region.srcSubresource;
vkCmdCopyImage(vk->cmd,
staging->image, VK_IMAGE_LAYOUT_GENERAL,
dynamic->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &region);
vulkan_image_layout_transition(vk, vk->cmd,
dynamic->image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_ACCESS_SHADER_READ_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT);
dynamic->layout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
}
#ifdef VULKAN_DEBUG_TEXTURE_ALLOC
static VkImage vk_images[4 * 1024];
static unsigned vk_count;
void vulkan_log_textures(void)
{
unsigned i;
for (i = 0; i < vk_count; i++)
{
RARCH_WARN("[Vulkan]: Found leaked texture %llu.\n",
(unsigned long long)vk_images[i]);
}
vk_count = 0;
}
static unsigned track_seq;
static void vulkan_track_alloc(VkImage image)
{
vk_images[vk_count++] = image;
RARCH_LOG("[Vulkan]: Alloc %llu (%u).\n",
(unsigned long long)image, track_seq);
track_seq++;
}
static void vulkan_track_dealloc(VkImage image)
{
unsigned i;
for (i = 0; i < vk_count; i++)
{
if (image == vk_images[i])
{
vk_count--;
memmove(vk_images + i, vk_images + 1 + i,
sizeof(VkImage) * (vk_count - i));
return;
}
}
retro_assert(0 && "Couldn't find VkImage in dealloc!");
}
#endif
void vulkan_sync_texture_to_gpu(vk_t *vk, const struct vk_texture *tex)
{
VkMappedMemoryRange range = { VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE };
if (!tex || !tex->need_manual_cache_management || tex->memory == VK_NULL_HANDLE)
return;
range.memory = tex->memory;
range.offset = 0;
range.size = VK_WHOLE_SIZE;
vkFlushMappedMemoryRanges(vk->context->device, 1, &range);
}
void vulkan_sync_texture_to_cpu(vk_t *vk, const struct vk_texture *tex)
{
VkMappedMemoryRange range = { VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE };
if (!tex || !tex->need_manual_cache_management || tex->memory == VK_NULL_HANDLE)
return;
range.memory = tex->memory;
range.offset = 0;
range.size = VK_WHOLE_SIZE;
vkInvalidateMappedMemoryRanges(vk->context->device, 1, &range);
}
struct vk_texture vulkan_create_texture(vk_t *vk,
struct vk_texture *old,
unsigned width, unsigned height,
VkFormat format,
const void *initial,
const VkComponentMapping *swizzle,
enum vk_texture_type type)
{
struct vk_texture tex;
VkMemoryRequirements mem_reqs;
VkSubresourceLayout layout;
VkDevice device = vk->context->device;
VkImageCreateInfo info = { VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO };
VkImageViewCreateInfo view = { VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO };
VkMemoryAllocateInfo alloc = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO };
VkImageSubresource subresource = { VK_IMAGE_ASPECT_COLOR_BIT };
VkCommandBufferAllocateInfo cmd_info = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO };
VkSubmitInfo submit_info = { VK_STRUCTURE_TYPE_SUBMIT_INFO };
VkCommandBufferBeginInfo begin_info = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO };
memset(&tex, 0, sizeof(tex));
info.imageType = VK_IMAGE_TYPE_2D;
info.format = format;
info.extent.width = width;
info.extent.height = height;
info.extent.depth = 1;
info.mipLevels = 1;
info.arrayLayers = 1;
info.samples = VK_SAMPLE_COUNT_1_BIT;
if (type == VULKAN_TEXTURE_STREAMED)
{
VkFormatProperties format_properties;
VkFormatFeatureFlags required = VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT |
VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT;
vkGetPhysicalDeviceFormatProperties(
vk->context->gpu, format, &format_properties);
if ((format_properties.linearTilingFeatures & required) != required)
{
RARCH_LOG("[Vulkan]: GPU does not support using linear images as textures. Falling back to copy path.\n");
type = VULKAN_TEXTURE_STAGING;
}
}
switch (type)
{
case VULKAN_TEXTURE_STATIC:
retro_assert(initial && "Static textures must have initial data.\n");
info.tiling = VK_IMAGE_TILING_OPTIMAL;
info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
break;
case VULKAN_TEXTURE_DYNAMIC:
retro_assert(!initial && "Dynamic textures must not have initial data.\n");
info.tiling = VK_IMAGE_TILING_OPTIMAL;
info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
break;
case VULKAN_TEXTURE_STREAMED:
info.usage = VK_IMAGE_USAGE_SAMPLED_BIT;
info.tiling = VK_IMAGE_TILING_LINEAR;
info.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
break;
case VULKAN_TEXTURE_STAGING:
info.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
info.tiling = VK_IMAGE_TILING_LINEAR;
info.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
break;
case VULKAN_TEXTURE_READBACK:
info.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT;
info.tiling = VK_IMAGE_TILING_LINEAR;
info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
break;
}
vkCreateImage(device, &info, NULL, &tex.image);
#if 0
vulkan_track_alloc(tex.image);
#endif
vkGetImageMemoryRequirements(device, tex.image, &mem_reqs);
alloc.allocationSize = mem_reqs.size;
switch (type)
{
case VULKAN_TEXTURE_STATIC:
case VULKAN_TEXTURE_DYNAMIC:
alloc.memoryTypeIndex = vulkan_find_memory_type_fallback(
&vk->context->memory_properties,
mem_reqs.memoryTypeBits,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, 0);
break;
default:
/* Try to find a memory type which is cached, even if it means manual cache management. */
alloc.memoryTypeIndex = vulkan_find_memory_type_fallback(
&vk->context->memory_properties,
mem_reqs.memoryTypeBits,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
VK_MEMORY_PROPERTY_HOST_CACHED_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
tex.need_manual_cache_management =
(vk->context->memory_properties.memoryTypes[alloc.memoryTypeIndex].propertyFlags &
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT) == 0;
break;
}
/* If the texture is STREAMED and it's not DEVICE_LOCAL, we expect to hit a slower path,
* so fallback to copy path. */
if (type == VULKAN_TEXTURE_STREAMED &&
(vk->context->memory_properties.memoryTypes[alloc.memoryTypeIndex].propertyFlags &
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT) == 0)
{
/* Recreate texture but for STAGING this time ... */
RARCH_LOG("[Vulkan]: GPU supports linear images as textures, but not DEVICE_LOCAL. Falling back to copy path.\n");
type = VULKAN_TEXTURE_STAGING;
vkDestroyImage(device, tex.image, NULL);
info.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
vkCreateImage(device, &info, NULL, &tex.image);
vkGetImageMemoryRequirements(device, tex.image, &mem_reqs);
alloc.allocationSize = mem_reqs.size;
alloc.memoryTypeIndex = vulkan_find_memory_type_fallback(&vk->context->memory_properties,
mem_reqs.memoryTypeBits,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT |
VK_MEMORY_PROPERTY_HOST_CACHED_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
}
/* We're not reusing the objects themselves. */
if (old && old->view != VK_NULL_HANDLE)
vkDestroyImageView(vk->context->device, old->view, NULL);
if (old && old->image != VK_NULL_HANDLE)
{
vkDestroyImage(vk->context->device, old->image, NULL);
#ifdef VULKAN_DEBUG_TEXTURE_ALLOC
vulkan_track_dealloc(old->image);
#endif
}
/* We can pilfer the old memory and move it over to the new texture. */
if (old &&
old->memory_size >= mem_reqs.size &&
old->memory_type == alloc.memoryTypeIndex)
{
tex.memory = old->memory;
tex.memory_size = old->memory_size;
tex.memory_type = old->memory_type;
if (old->mapped)
vkUnmapMemory(device, old->memory);
old->memory = VK_NULL_HANDLE;
}
else
{
vkAllocateMemory(device, &alloc, NULL, &tex.memory);
tex.memory_size = alloc.allocationSize;
tex.memory_type = alloc.memoryTypeIndex;
}
if (old)
{
if (old->memory != VK_NULL_HANDLE)
vkFreeMemory(device, old->memory, NULL);
memset(old, 0, sizeof(*old));
}
vkBindImageMemory(device, tex.image, tex.memory, 0);
if (type != VULKAN_TEXTURE_STAGING && type != VULKAN_TEXTURE_READBACK)
{
view.image = tex.image;
view.viewType = VK_IMAGE_VIEW_TYPE_2D;
view.format = format;
if (swizzle)
view.components = *swizzle;
else
{
view.components.r = VK_COMPONENT_SWIZZLE_R;
view.components.g = VK_COMPONENT_SWIZZLE_G;
view.components.b = VK_COMPONENT_SWIZZLE_B;
view.components.a = VK_COMPONENT_SWIZZLE_A;
}
view.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
view.subresourceRange.levelCount = 1;
view.subresourceRange.layerCount = 1;
vkCreateImageView(device, &view, NULL, &tex.view);
}
else
tex.view = VK_NULL_HANDLE;
if (info.tiling == VK_IMAGE_TILING_LINEAR)
vkGetImageSubresourceLayout(device, tex.image, &subresource, &layout);
else
memset(&layout, 0, sizeof(layout));
tex.stride = layout.rowPitch;
tex.offset = layout.offset;
tex.size = layout.size;
tex.layout = info.initialLayout;
tex.width = width;
tex.height = height;
tex.format = format;
tex.type = type;
if (initial && (type == VULKAN_TEXTURE_STREAMED || type == VULKAN_TEXTURE_STAGING))
{
unsigned y;
uint8_t *dst = NULL;
const uint8_t *src = NULL;
void *ptr = NULL;
unsigned bpp = vulkan_format_to_bpp(tex.format);
unsigned stride = tex.width * bpp;
vkMapMemory(device, tex.memory, tex.offset, tex.size, 0, &ptr);
dst = (uint8_t*)ptr;
src = (const uint8_t*)initial;
for (y = 0; y < tex.height; y++, dst += tex.stride, src += stride)
memcpy(dst, src, width * bpp);
vulkan_sync_texture_to_gpu(vk, &tex);
vkUnmapMemory(device, tex.memory);
}
else if (initial && type == VULKAN_TEXTURE_STATIC)
{
VkImageCopy region;
VkCommandBuffer staging;
struct vk_texture tmp = vulkan_create_texture(vk, NULL,
width, height, format, initial, NULL, VULKAN_TEXTURE_STAGING);
cmd_info.commandPool = vk->staging_pool;
cmd_info.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
cmd_info.commandBufferCount = 1;
vkAllocateCommandBuffers(vk->context->device, &cmd_info, &staging);
begin_info.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
vkBeginCommandBuffer(staging, &begin_info);
vulkan_image_layout_transition(vk, staging, tmp.image,
VK_IMAGE_LAYOUT_PREINITIALIZED, VK_IMAGE_LAYOUT_GENERAL,
VK_ACCESS_HOST_WRITE_BIT, VK_ACCESS_TRANSFER_READ_BIT,
VK_PIPELINE_STAGE_HOST_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT);
vulkan_image_layout_transition(vk, staging, tex.image,
VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
0, VK_ACCESS_TRANSFER_WRITE_BIT,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT);
memset(&region, 0, sizeof(region));
region.extent.width = width;
region.extent.height = height;
region.extent.depth = 1;
region.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
region.srcSubresource.layerCount = 1;
region.dstSubresource = region.srcSubresource;
vkCmdCopyImage(staging,
tmp.image, VK_IMAGE_LAYOUT_GENERAL,
tex.image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &region);
vulkan_image_layout_transition(vk, staging, tex.image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_ACCESS_SHADER_READ_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT);
vkEndCommandBuffer(staging);
submit_info.commandBufferCount = 1;
submit_info.pCommandBuffers = &staging;
#ifdef HAVE_THREADS
slock_lock(vk->context->queue_lock);
#endif
vkQueueSubmit(vk->context->queue,
1, &submit_info, VK_NULL_HANDLE);
/* TODO: Very crude, but texture uploads only happen
* during init, so waiting for GPU to complete transfer
* and blocking isn't a big deal. */
vkQueueWaitIdle(vk->context->queue);
#ifdef HAVE_THREADS
slock_unlock(vk->context->queue_lock);
#endif
vkFreeCommandBuffers(vk->context->device, vk->staging_pool, 1, &staging);
vulkan_destroy_texture(
vk->context->device, &tmp);
tex.layout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
}
return tex;
}
void vulkan_destroy_texture(
VkDevice device,
struct vk_texture *tex)
{
if (tex->mapped)
vkUnmapMemory(device, tex->memory);
vkFreeMemory(device, tex->memory, NULL);
if (tex->view)
vkDestroyImageView(device, tex->view, NULL);
vkDestroyImage(device, tex->image, NULL);
#ifdef VULKAN_DEBUG_TEXTURE_ALLOC
vulkan_track_dealloc(tex->image);
#endif
memset(tex, 0, sizeof(*tex));
}
static void vulkan_write_quad_descriptors(
VkDevice device,
VkDescriptorSet set,
VkBuffer buffer,
VkDeviceSize offset,
VkDeviceSize range,
const struct vk_texture *texture,
VkSampler sampler)
{
VkDescriptorBufferInfo buffer_info;
VkWriteDescriptorSet write = { VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET };
buffer_info.buffer = buffer;
buffer_info.offset = offset;
buffer_info.range = range;
write.dstSet = set;
write.dstBinding = 0;
write.descriptorCount = 1;
write.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
write.pBufferInfo = &buffer_info;
vkUpdateDescriptorSets(device, 1, &write, 0, NULL);
if (texture)
{
VkDescriptorImageInfo image_info;
image_info.sampler = sampler;
image_info.imageView = texture->view;
image_info.imageLayout = texture->layout;
write.dstSet = set;
write.dstBinding = 1;
write.descriptorCount = 1;
write.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
write.pImageInfo = &image_info;
vkUpdateDescriptorSets(device, 1, &write, 0, NULL);
}
}
void vulkan_transition_texture(vk_t *vk, struct vk_texture *texture)
{
/* Transition to GENERAL layout for linear streamed textures.
* We're using linear textures here, so only
* GENERAL layout is supported.
* If we're already in GENERAL, add a host -> shader read memory barrier
* to invalidate texture caches.
*/
if (texture->layout != VK_IMAGE_LAYOUT_PREINITIALIZED &&
texture->layout != VK_IMAGE_LAYOUT_GENERAL)
return;
switch (texture->type)
{
case VULKAN_TEXTURE_STREAMED:
vulkan_image_layout_transition(vk, vk->cmd, texture->image,
texture->layout, VK_IMAGE_LAYOUT_GENERAL,
VK_ACCESS_HOST_WRITE_BIT, VK_ACCESS_SHADER_READ_BIT,
VK_PIPELINE_STAGE_HOST_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT);
break;
case VULKAN_TEXTURE_STAGING:
vulkan_image_layout_transition(vk, vk->cmd, texture->image,
texture->layout, VK_IMAGE_LAYOUT_GENERAL,
VK_ACCESS_HOST_WRITE_BIT, VK_ACCESS_TRANSFER_READ_BIT,
VK_PIPELINE_STAGE_HOST_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT);
break;
default:
retro_assert(0 && "Attempting to transition invalid texture type.\n");
break;
}
texture->layout = VK_IMAGE_LAYOUT_GENERAL;
}
static void vulkan_check_dynamic_state(
vk_t *vk)
{
if (vk->tracker.dirty & VULKAN_DIRTY_DYNAMIC_BIT)
{
const VkRect2D sci = {
{ vk->vp.x, vk->vp.y },
{ vk->vp.width, vk->vp.height }};
vkCmdSetViewport(vk->cmd, 0, 1, &vk->vk_vp);
vkCmdSetScissor (vk->cmd, 0, 1, &sci);
vk->tracker.dirty &= ~VULKAN_DIRTY_DYNAMIC_BIT;
}
}
void vulkan_draw_triangles(vk_t *vk, const struct vk_draw_triangles *call)
{
if (call->texture)
vulkan_transition_texture(vk, call->texture);
if (call->pipeline != vk->tracker.pipeline)
{
vkCmdBindPipeline(vk->cmd,
VK_PIPELINE_BIND_POINT_GRAPHICS, call->pipeline);
vk->tracker.pipeline = call->pipeline;
/* Changing pipeline invalidates dynamic state. */
vk->tracker.dirty |= VULKAN_DIRTY_DYNAMIC_BIT;
}
vulkan_check_dynamic_state(vk);
/* Upload descriptors */
{
VkDescriptorSet set;
/* Upload UBO */
struct vk_buffer_range range;
if (!vulkan_buffer_chain_alloc(vk->context, &vk->chain->ubo,
call->uniform_size, &range))
return;
memcpy(range.data, call->uniform, call->uniform_size);
set = vulkan_descriptor_manager_alloc(
vk->context->device,
&vk->chain->descriptor_manager);
vulkan_write_quad_descriptors(
vk->context->device,
set,
range.buffer,
range.offset,
call->uniform_size,
call->texture,
call->sampler);
vkCmdBindDescriptorSets(vk->cmd, VK_PIPELINE_BIND_POINT_GRAPHICS,
vk->pipelines.layout, 0,
1, &set, 0, NULL);
vk->tracker.view = VK_NULL_HANDLE;
vk->tracker.sampler = VK_NULL_HANDLE;
memset(&vk->tracker.mvp, 0, sizeof(vk->tracker.mvp));
}
/* VBO is already uploaded. */
vkCmdBindVertexBuffers(vk->cmd, 0, 1,
&call->vbo->buffer, &call->vbo->offset);
/* Draw the quad */
vkCmdDraw(vk->cmd, call->vertices, 1, 0, 0);
}
void vulkan_draw_quad(vk_t *vk, const struct vk_draw_quad *quad)
{
vulkan_transition_texture(vk, quad->texture);
if (quad->pipeline != vk->tracker.pipeline)
{
vkCmdBindPipeline(vk->cmd,
VK_PIPELINE_BIND_POINT_GRAPHICS, quad->pipeline);
vk->tracker.pipeline = quad->pipeline;
/* Changing pipeline invalidates dynamic state. */
vk->tracker.dirty |= VULKAN_DIRTY_DYNAMIC_BIT;
}
vulkan_check_dynamic_state(vk);
/* Upload descriptors */
{
VkDescriptorSet set;
struct vk_buffer_range range;
if (!vulkan_buffer_chain_alloc(vk->context, &vk->chain->ubo,
sizeof(*quad->mvp), &range))
return;
if (memcmp(quad->mvp, &vk->tracker.mvp, sizeof(*quad->mvp))
|| quad->texture->view != vk->tracker.view
|| quad->sampler != vk->tracker.sampler)
{
/* Upload UBO */
struct vk_buffer_range range;
if (!vulkan_buffer_chain_alloc(vk->context, &vk->chain->ubo,
sizeof(*quad->mvp), &range))
return;
memcpy(range.data, quad->mvp, sizeof(*quad->mvp));
set = vulkan_descriptor_manager_alloc(
vk->context->device,
&vk->chain->descriptor_manager);
vulkan_write_quad_descriptors(
vk->context->device,
set,
range.buffer,
range.offset,
sizeof(*quad->mvp),
quad->texture,
quad->sampler);
vkCmdBindDescriptorSets(vk->cmd, VK_PIPELINE_BIND_POINT_GRAPHICS,
vk->pipelines.layout, 0,
1, &set, 0, NULL);
vk->tracker.view = quad->texture->view;
vk->tracker.sampler = quad->sampler;
vk->tracker.mvp = *quad->mvp;
}
}
/* Upload VBO */
{
struct vk_buffer_range range;
if (!vulkan_buffer_chain_alloc(vk->context, &vk->chain->vbo,
6 * sizeof(struct vk_vertex), &range))
return;
vulkan_write_quad_vbo((struct vk_vertex*)range.data,
0.0f, 0.0f, 1.0f, 1.0f,
0.0f, 0.0f, 1.0f, 1.0f,
&quad->color);
vkCmdBindVertexBuffers(vk->cmd, 0, 1,
&range.buffer, &range.offset);
}
/* Draw the quad */
vkCmdDraw(vk->cmd, 6, 1, 0, 0);
}
void vulkan_image_layout_transition(
vk_t *vk,
VkCommandBuffer cmd, VkImage image,
VkImageLayout old_layout,
VkImageLayout new_layout,
VkAccessFlags srcAccess,
VkAccessFlags dstAccess,
VkPipelineStageFlags srcStages,
VkPipelineStageFlags dstStages)
{
VkImageMemoryBarrier barrier =
{ VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER };
barrier.srcAccessMask = srcAccess;
barrier.dstAccessMask = dstAccess;
barrier.oldLayout = old_layout;
barrier.newLayout = new_layout;
barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.image = image;
barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
barrier.subresourceRange.levelCount = 1;
barrier.subresourceRange.layerCount = 1;
vkCmdPipelineBarrier(cmd,
srcStages,
dstStages,
0,
0, NULL,
0, NULL,
1, &barrier);
}
struct vk_buffer vulkan_create_buffer(
const struct vulkan_context *context,
size_t size, VkBufferUsageFlags usage)
{
struct vk_buffer buffer;
VkMemoryRequirements mem_reqs;
VkMemoryAllocateInfo alloc = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO };
VkBufferCreateInfo info = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO };
info.size = size;
info.usage = usage;
info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
vkCreateBuffer(context->device, &info, NULL, &buffer.buffer);
vkGetBufferMemoryRequirements(context->device, buffer.buffer, &mem_reqs);
alloc.allocationSize = mem_reqs.size;
alloc.memoryTypeIndex = vulkan_find_memory_type(
&context->memory_properties,
mem_reqs.memoryTypeBits,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
vkAllocateMemory(context->device, &alloc, NULL, &buffer.memory);
vkBindBufferMemory(context->device, buffer.buffer, buffer.memory, 0);
buffer.size = alloc.allocationSize;
vkMapMemory(context->device,
buffer.memory, 0, buffer.size, 0, &buffer.mapped);
return buffer;
}
void vulkan_destroy_buffer(
VkDevice device,
struct vk_buffer *buffer)
{
vkUnmapMemory(device, buffer->memory);
vkFreeMemory(device, buffer->memory, NULL);
vkDestroyBuffer(device, buffer->buffer, NULL);
memset(buffer, 0, sizeof(*buffer));
}
static struct vk_descriptor_pool *vulkan_alloc_descriptor_pool(
VkDevice device,
const struct vk_descriptor_manager *manager)
{
unsigned i;
VkDescriptorPoolCreateInfo pool_info = {
VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO };
VkDescriptorSetAllocateInfo alloc_info = {
VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO };
struct vk_descriptor_pool *pool =
(struct vk_descriptor_pool*)calloc(1, sizeof(*pool));
if (!pool)
return NULL;
pool_info.maxSets = VULKAN_DESCRIPTOR_MANAGER_BLOCK_SETS;
pool_info.poolSizeCount = manager->num_sizes;
pool_info.pPoolSizes = manager->sizes;
pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
vkCreateDescriptorPool(device, &pool_info, NULL, &pool->pool);
/* Just allocate all descriptor sets up front. */
alloc_info.descriptorPool = pool->pool;
alloc_info.descriptorSetCount = 1;
alloc_info.pSetLayouts = &manager->set_layout;
for (i = 0; i < VULKAN_DESCRIPTOR_MANAGER_BLOCK_SETS; i++)
vkAllocateDescriptorSets(device, &alloc_info, &pool->sets[i]);
return pool;
}
VkDescriptorSet vulkan_descriptor_manager_alloc(
VkDevice device, struct vk_descriptor_manager *manager)
{
if (manager->count < VULKAN_DESCRIPTOR_MANAGER_BLOCK_SETS)
return manager->current->sets[manager->count++];
while (manager->current->next)
{
manager->current = manager->current->next;
manager->count = 0;
return manager->current->sets[manager->count++];
}
manager->current->next = vulkan_alloc_descriptor_pool(device, manager);
retro_assert(manager->current->next);
manager->current = manager->current->next;
manager->count = 0;
return manager->current->sets[manager->count++];
}
void vulkan_descriptor_manager_restart(struct vk_descriptor_manager *manager)
{
manager->current = manager->head;
manager->count = 0;
}
struct vk_descriptor_manager vulkan_create_descriptor_manager(
VkDevice device,
const VkDescriptorPoolSize *sizes,
unsigned num_sizes,
VkDescriptorSetLayout set_layout)
{
struct vk_descriptor_manager manager;
memset(&manager, 0, sizeof(manager));
retro_assert(num_sizes <= VULKAN_MAX_DESCRIPTOR_POOL_SIZES);
memcpy(manager.sizes, sizes, num_sizes * sizeof(*sizes));
manager.num_sizes = num_sizes;
manager.set_layout = set_layout;
manager.head = vulkan_alloc_descriptor_pool(device, &manager);
retro_assert(manager.head);
return manager;
}
void vulkan_destroy_descriptor_manager(
VkDevice device,
struct vk_descriptor_manager *manager)
{
struct vk_descriptor_pool *node = manager->head;
while (node)
{
struct vk_descriptor_pool *next = node->next;
vkFreeDescriptorSets(device, node->pool,
VULKAN_DESCRIPTOR_MANAGER_BLOCK_SETS, node->sets);
vkDestroyDescriptorPool(device, node->pool, NULL);
free(node);
node = next;
}
memset(manager, 0, sizeof(*manager));
}
static void vulkan_buffer_chain_step(struct vk_buffer_chain *chain)
{
chain->current = chain->current->next;
chain->offset = 0;
}
static bool vulkan_buffer_chain_suballoc(struct vk_buffer_chain *chain,
size_t size, struct vk_buffer_range *range)
{
VkDeviceSize next_offset = chain->offset + size;
if (next_offset <= chain->current->buffer.size)
{
range->data = (uint8_t*)chain->current->buffer.mapped + chain->offset;
range->buffer = chain->current->buffer.buffer;
range->offset = chain->offset;
chain->offset = (next_offset + chain->alignment - 1)
& ~(chain->alignment - 1);
return true;
}
return false;
}
static struct vk_buffer_node *vulkan_buffer_chain_alloc_node(
const struct vulkan_context *context,
size_t size, VkBufferUsageFlags usage)
{
struct vk_buffer_node *node = (struct vk_buffer_node*)
calloc(1, sizeof(*node));
if (!node)
return NULL;
node->buffer = vulkan_create_buffer(
context, size, usage);
return node;
}
struct vk_buffer_chain vulkan_buffer_chain_init(
VkDeviceSize block_size,
VkDeviceSize alignment,
VkBufferUsageFlags usage)
{
struct vk_buffer_chain chain = {
block_size, alignment, 0, usage, NULL, NULL };
return chain;
}
void vulkan_buffer_chain_discard(struct vk_buffer_chain *chain)
{
chain->current = chain->head;
chain->offset = 0;
}
bool vulkan_buffer_chain_alloc(const struct vulkan_context *context,
struct vk_buffer_chain *chain,
size_t size, struct vk_buffer_range *range)
{
if (!chain->head)
{
chain->head = vulkan_buffer_chain_alloc_node(context,
chain->block_size, chain->usage);
if (!chain->head)
return false;
chain->current = chain->head;
chain->offset = 0;
}
if (vulkan_buffer_chain_suballoc(chain, size, range))
return true;
/* We've exhausted the current chain, traverse list until we
* can find a block we can use. Usually, we just step once. */
while (chain->current->next)
{
vulkan_buffer_chain_step(chain);
if (vulkan_buffer_chain_suballoc(chain, size, range))
return true;
}
/* We have to allocate a new node, might allocate larger
* buffer here than block_size in case we have
* a very large allocation. */
if (size < chain->block_size)
size = chain->block_size;
chain->current->next = vulkan_buffer_chain_alloc_node(
context, size, chain->usage);
if (!chain->current->next)
return false;
vulkan_buffer_chain_step(chain);
/* This cannot possibly fail. */
retro_assert(vulkan_buffer_chain_suballoc(chain, size, range));
return true;
}
void vulkan_buffer_chain_free(
VkDevice device,
struct vk_buffer_chain *chain)
{
struct vk_buffer_node *node = chain->head;
while (node)
{
struct vk_buffer_node *next = node->next;
vulkan_destroy_buffer(device, &node->buffer);
free(node);
node = next;
}
memset(chain, 0, sizeof(*chain));
}
static bool vulkan_load_instance_symbols(gfx_ctx_vulkan_data_t *vk)
{
if (!vulkan_symbol_wrapper_load_core_instance_symbols(vk->context.instance))
return false;
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance, vkDestroySurfaceKHR);
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance, vkGetPhysicalDeviceSurfaceSupportKHR);
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance, vkGetPhysicalDeviceSurfaceCapabilitiesKHR);
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance, vkGetPhysicalDeviceSurfaceFormatsKHR);
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance, vkGetPhysicalDeviceSurfacePresentModesKHR);
return true;
}
static bool vulkan_load_device_symbols(gfx_ctx_vulkan_data_t *vk)
{
if (!vulkan_symbol_wrapper_load_core_device_symbols(vk->context.device))
return false;
VULKAN_SYMBOL_WRAPPER_LOAD_DEVICE_EXTENSION_SYMBOL(vk->context.device, vkCreateSwapchainKHR);
VULKAN_SYMBOL_WRAPPER_LOAD_DEVICE_EXTENSION_SYMBOL(vk->context.device, vkDestroySwapchainKHR);
VULKAN_SYMBOL_WRAPPER_LOAD_DEVICE_EXTENSION_SYMBOL(vk->context.device, vkGetSwapchainImagesKHR);
VULKAN_SYMBOL_WRAPPER_LOAD_DEVICE_EXTENSION_SYMBOL(vk->context.device, vkAcquireNextImageKHR);
VULKAN_SYMBOL_WRAPPER_LOAD_DEVICE_EXTENSION_SYMBOL(vk->context.device, vkQueuePresentKHR);
return true;
}
static bool vulkan_find_extensions(const char **exts, unsigned num_exts,
const VkExtensionProperties *properties, unsigned property_count)
{
unsigned i, ext;
bool found;
for (ext = 0; ext < num_exts; ext++)
{
found = false;
for (i = 0; i < property_count; i++)
{
if (!strcmp(exts[ext], properties[i].extensionName))
{
found = true;
break;
}
}
if (!found)
return false;
}
return true;
}
static bool vulkan_find_instance_extensions(const char **exts, unsigned num_exts)
{
uint32_t property_count;
bool ret = true;
VkExtensionProperties *properties = NULL;
if (vkEnumerateInstanceExtensionProperties(NULL, &property_count, NULL) != VK_SUCCESS)
return false;
properties = (VkExtensionProperties*)malloc(property_count * sizeof(*properties));
if (!properties)
{
ret = false;
goto end;
}
if (vkEnumerateInstanceExtensionProperties(NULL, &property_count, properties) != VK_SUCCESS)
{
ret = false;
goto end;
}
if (!vulkan_find_extensions(exts, num_exts, properties, property_count))
{
RARCH_ERR("[Vulkan]: Could not find instance extensions. Will attempt without them.\n");
ret = false;
goto end;
}
end:
free(properties);
return ret;
}
static bool vulkan_find_device_extensions(VkPhysicalDevice gpu, const char **exts, unsigned num_exts)
{
bool ret = true;
VkExtensionProperties *properties = NULL;
uint32_t property_count;
if (vkEnumerateDeviceExtensionProperties(gpu, NULL, &property_count, NULL) != VK_SUCCESS)
return false;
properties = (VkExtensionProperties*)malloc(property_count * sizeof(*properties));
if (!properties)
{
ret = false;
goto end;
}
if (vkEnumerateDeviceExtensionProperties(gpu, NULL, &property_count, properties) != VK_SUCCESS)
{
ret = false;
goto end;
}
if (!vulkan_find_extensions(exts, num_exts, properties, property_count))
{
RARCH_ERR("[Vulkan]: Could not find device extensions. Will attempt without them.\n");
ret = false;
goto end;
}
end:
free(properties);
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;
uint32_t queue_count;
VkResult res;
unsigned i;
static const float one = 1.0f;
bool found_queue = false;
VkPhysicalDeviceFeatures features = { false };
VkDeviceQueueCreateInfo queue_info = { VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO };
VkDeviceCreateInfo device_info = { VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO };
static const char *device_extensions[] = {
"VK_KHR_swapchain",
};
#ifdef VULKAN_DEBUG
static const char *device_layers[] = { "VK_LAYER_LUNARG_standard_validation" };
#endif
struct retro_hw_render_context_negotiation_interface_vulkan *iface =
(struct retro_hw_render_context_negotiation_interface_vulkan*)video_driver_get_context_negotiation_interface();
if (iface && iface->interface_type != RETRO_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE_VULKAN)
{
RARCH_WARN("[Vulkan]: Got HW context negotiation interface, but it's the wrong API.\n");
iface = NULL;
}
if (iface && iface->interface_version != RETRO_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE_VULKAN_VERSION)
{
RARCH_WARN("[Vulkan]: Got HW context negotiation interface, but it's the wrong interface version.\n");
iface = NULL;
}
if (!cached_device && iface && iface->create_device)
{
struct retro_vulkan_context context = { 0 };
const VkPhysicalDeviceFeatures features = { 0 };
bool ret = iface->create_device(&context, vk->context.instance,
vk->context.gpu,
vk->vk_surface,
vulkan_symbol_wrapper_instance_proc_addr(),
device_extensions,
ARRAY_SIZE(device_extensions),
#ifdef VULKAN_DEBUG
device_layers,
ARRAY_SIZE(device_layers),
#else
NULL,
0,
#endif
&features);
if (!ret)
{
RARCH_WARN("[Vulkan]: Failed to create device with negotiation interface. Falling back to default path.\n");
}
else
{
vk->context.destroy_device = iface->destroy_device;
vk->context.device = context.device;
vk->context.queue = context.queue;
vk->context.gpu = context.gpu;
vk->context.graphics_queue_index = context.queue_family_index;
if (context.presentation_queue != context.queue)
{
RARCH_ERR("[Vulkan]: Present queue != graphics queue. This is currently not supported.\n");
return false;
}
}
}
if (cached_device && cached_destroy_device)
{
vk->context.destroy_device = cached_destroy_device;
cached_destroy_device = NULL;
}
if (!vulkan_context_init_gpu(vk))
return false;
vkGetPhysicalDeviceProperties(vk->context.gpu,
&vk->context.gpu_properties);
vkGetPhysicalDeviceMemoryProperties(vk->context.gpu,
&vk->context.memory_properties);
if (vk->context.device == VK_NULL_HANDLE)
{
VkQueueFamilyProperties *queue_properties = NULL;
vkGetPhysicalDeviceQueueFamilyProperties(vk->context.gpu,
&queue_count, NULL);
if (queue_count < 1)
{
RARCH_ERR("[Vulkan]: Invalid number of queues detected.\n");
return false;
}
queue_properties = (VkQueueFamilyProperties*)malloc(queue_count * sizeof(*queue_properties));
if (!queue_properties)
return false;
vkGetPhysicalDeviceQueueFamilyProperties(vk->context.gpu,
&queue_count, queue_properties);
for (i = 0; i < queue_count; i++)
{
VkBool32 supported = VK_FALSE;
vkGetPhysicalDeviceSurfaceSupportKHR(
vk->context.gpu, i,
vk->vk_surface, &supported);
VkQueueFlags required = VK_QUEUE_GRAPHICS_BIT | VK_QUEUE_COMPUTE_BIT;
if (supported && ((queue_properties[i].queueFlags & required) == required))
{
vk->context.graphics_queue_index = i;
RARCH_LOG("[Vulkan]: Queue family %u supports %u sub-queues.\n",
i, queue_properties[i].queueCount);
found_queue = true;
break;
}
}
free(queue_properties);
if (!found_queue)
{
RARCH_ERR("[Vulkan]: Did not find suitable graphics queue.\n");
return false;
}
use_device_ext = vulkan_find_device_extensions(vk->context.gpu,
device_extensions, ARRAY_SIZE(device_extensions));
queue_info.queueFamilyIndex = vk->context.graphics_queue_index;
queue_info.queueCount = 1;
queue_info.pQueuePriorities = &one;
device_info.queueCreateInfoCount = 1;
device_info.pQueueCreateInfos = &queue_info;
device_info.enabledExtensionCount = use_device_ext ? ARRAY_SIZE(device_extensions) : 0;
device_info.ppEnabledExtensionNames = use_device_ext ? device_extensions : NULL;
device_info.pEnabledFeatures = &features;
#ifdef VULKAN_DEBUG
device_info.enabledLayerCount = ARRAY_SIZE(device_layers);
device_info.ppEnabledLayerNames = device_layers;
#endif
if (cached_device)
{
vk->context.device = cached_device;
cached_device = NULL;
video_driver_set_video_cache_context_ack();
RARCH_LOG("[Vulkan]: Using cached Vulkan context.\n");
}
else if (vkCreateDevice(vk->context.gpu, &device_info,
NULL, &vk->context.device) != VK_SUCCESS)
{
RARCH_ERR("[Vulkan]: Failed to create device.\n");
return false;
}
}
if (!vulkan_load_device_symbols(vk))
{
RARCH_ERR("[Vulkan]: Failed to load device symbols.\n");
return false;
}
if (vk->context.queue == VK_NULL_HANDLE)
{
vkGetDeviceQueue(vk->context.device,
vk->context.graphics_queue_index, 0, &vk->context.queue);
}
#ifdef HAVE_THREADS
vk->context.queue_lock = slock_new();
if (!vk->context.queue_lock)
{
RARCH_ERR("[Vulkan]: Failed to create queue lock.\n");
return false;
}
#endif
return true;
}
bool vulkan_context_init(gfx_ctx_vulkan_data_t *vk,
enum vulkan_wsi_type type)
{
unsigned i;
VkResult res;
VkInstanceCreateInfo info = { VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO };
VkApplicationInfo app = { VK_STRUCTURE_TYPE_APPLICATION_INFO };
const char *instance_extensions[4];
unsigned ext_count = 0;
#ifdef VULKAN_DEBUG
instance_extensions[ext_count++] = "VK_EXT_debug_report";
static const char *instance_layers[] = { "VK_LAYER_LUNARG_standard_validation" };
#endif
bool use_instance_ext;
struct retro_hw_render_context_negotiation_interface_vulkan *iface =
(struct retro_hw_render_context_negotiation_interface_vulkan*)video_driver_get_context_negotiation_interface();
if (iface && iface->interface_type != RETRO_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE_VULKAN)
{
RARCH_WARN("[Vulkan]: Got HW context negotiation interface, but it's the wrong API.\n");
iface = NULL;
}
if (iface && iface->interface_version != RETRO_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE_VULKAN_VERSION)
{
RARCH_WARN("[Vulkan]: Got HW context negotiation interface, but it's the wrong interface version.\n");
iface = NULL;
}
instance_extensions[ext_count++] = "VK_KHR_surface";
switch (type)
{
case VULKAN_WSI_WAYLAND:
instance_extensions[ext_count++] = "VK_KHR_wayland_surface";
break;
case VULKAN_WSI_ANDROID:
instance_extensions[ext_count++] = "VK_KHR_android_surface";
break;
case VULKAN_WSI_WIN32:
instance_extensions[ext_count++] = "VK_KHR_win32_surface";
break;
case VULKAN_WSI_XLIB:
instance_extensions[ext_count++] = "VK_KHR_xlib_surface";
break;
case VULKAN_WSI_XCB:
instance_extensions[ext_count++] = "VK_KHR_xcb_surface";
break;
case VULKAN_WSI_MIR:
instance_extensions[ext_count++] = "VK_KHR_mir_surface";
break;
case VULKAN_WSI_DISPLAY:
instance_extensions[ext_count++] = "VK_KHR_display";
break;
case VULKAN_WSI_NONE:
default:
break;
}
if (!vulkan_library)
{
#ifdef _WIN32
vulkan_library = dylib_load("vulkan-1.dll");
#else
vulkan_library = dylib_load("libvulkan.so");
#endif
}
if (!vulkan_library)
{
RARCH_ERR("[Vulkan]: Failed to open Vulkan loader.\n");
return false;
}
RARCH_LOG("Vulkan dynamic library loaded.\n");
PFN_vkGetInstanceProcAddr GetInstanceProcAddr =
(PFN_vkGetInstanceProcAddr)dylib_proc(vulkan_library, "vkGetInstanceProcAddr");
if (!GetInstanceProcAddr)
{
RARCH_ERR("[Vulkan]: Failed to load vkGetInstanceProcAddr symbol, broken loader?\n");
return false;
}
vulkan_symbol_wrapper_init(GetInstanceProcAddr);
if (!vulkan_symbol_wrapper_load_global_symbols())
{
RARCH_ERR("[Vulkan]: Failed to load global Vulkan symbols, broken loader?\n");
return false;
}
use_instance_ext = vulkan_find_instance_extensions(instance_extensions, ext_count);
app.pApplicationName = "RetroArch";
app.applicationVersion = 0;
app.pEngineName = "RetroArch";
app.engineVersion = 0;
app.apiVersion = VK_MAKE_VERSION(1, 0, 18);
info.pApplicationInfo = &app;
info.enabledExtensionCount = use_instance_ext ? ext_count : 0;
info.ppEnabledExtensionNames = use_instance_ext ? instance_extensions : NULL;
#ifdef VULKAN_DEBUG
info.enabledLayerCount = ARRAY_SIZE(instance_layers);
info.ppEnabledLayerNames = instance_layers;
#endif
if (iface && iface->get_application_info)
{
info.pApplicationInfo = iface->get_application_info();
if (info.pApplicationInfo->pApplicationName)
{
RARCH_LOG("[Vulkan]: App: %s (version %u)\n",
info.pApplicationInfo->pApplicationName,
info.pApplicationInfo->applicationVersion);
}
if (info.pApplicationInfo->pEngineName)
{
RARCH_LOG("[Vulkan]: Engine: %s (version %u)\n",
info.pApplicationInfo->pEngineName,
info.pApplicationInfo->engineVersion);
}
}
if (cached_instance)
{
vk->context.instance = cached_instance;
cached_instance = NULL;
res = VK_SUCCESS;
}
else
res = vkCreateInstance(&info, NULL, &vk->context.instance);
#ifdef VULKAN_DEBUG
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance,
vkCreateDebugReportCallbackEXT);
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance,
vkDebugReportMessageEXT);
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance,
vkDestroyDebugReportCallbackEXT);
{
VkDebugReportCallbackCreateInfoEXT info =
{ VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT };
info.flags =
VK_DEBUG_REPORT_ERROR_BIT_EXT |
VK_DEBUG_REPORT_WARNING_BIT_EXT |
VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT;
info.pfnCallback = vulkan_debug_cb;
vkCreateDebugReportCallbackEXT(vk->context.instance, &info, NULL, &vk->context.debug_callback);
}
#endif
/* Try different API versions if driver has compatible
* but slightly different VK_API_VERSION. */
for (i = 1; i < 4 && res == VK_ERROR_INCOMPATIBLE_DRIVER; i++)
{
info.pApplicationInfo = &app;
app.apiVersion = VK_MAKE_VERSION(1, 0, i);
res = vkCreateInstance(&info, NULL, &vk->context.instance);
}
if (res == VK_ERROR_INCOMPATIBLE_DRIVER)
{
RARCH_ERR("Failed to create Vulkan instance.\n");
return false;
}
if (!vulkan_load_instance_symbols(vk))
{
RARCH_ERR("[Vulkan]: Failed to load instance symbols.\n");
return false;
}
return true;
}
static bool vulkan_update_display_mode(
unsigned *width,
unsigned *height,
const VkDisplayModePropertiesKHR *mode,
const struct vulkan_display_surface_info *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,
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;
/* 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,
vkGetPhysicalDeviceDisplayPlanePropertiesKHR);
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance,
vkGetDisplayPlaneSupportedDisplaysKHR);
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance,
vkGetDisplayModePropertiesKHR);
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance,
vkCreateDisplayModeKHR);
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance,
vkGetDisplayPlaneCapabilitiesKHR);
VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_EXTENSION_SYMBOL(vk->context.instance,
vkCreateDisplayPlaneSurfaceKHR);
#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];
if (vulkan_update_display_mode(width, height, mode, info))
best_mode = modes[i].displayMode;
}
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,
enum vulkan_wsi_type type,
void *display, void *surface,
unsigned width, unsigned height,
unsigned swap_interval)
{
switch (type)
{
case VULKAN_WSI_WAYLAND:
#ifdef HAVE_WAYLAND
{
PFN_vkCreateWaylandSurfaceKHR create;
if (!VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_SYMBOL(vk->context.instance, "vkCreateWaylandSurfaceKHR", create))
return false;
VkWaylandSurfaceCreateInfoKHR surf_info;
memset(&surf_info, 0, sizeof(surf_info));
surf_info.sType = VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR;
surf_info.pNext = NULL;
surf_info.flags = 0;
surf_info.display = (struct wl_display*)display;
surf_info.surface = (struct wl_surface*)surface;
if (create(vk->context.instance,
&surf_info, NULL, &vk->vk_surface) != VK_SUCCESS)
return false;
}
#endif
break;
case VULKAN_WSI_ANDROID:
#ifdef ANDROID
{
PFN_vkCreateAndroidSurfaceKHR create;
if (!VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_SYMBOL(vk->context.instance, "vkCreateAndroidSurfaceKHR", create))
return false;
VkAndroidSurfaceCreateInfoKHR surf_info;
memset(&surf_info, 0, sizeof(surf_info));
surf_info.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR;
surf_info.flags = 0;
surf_info.window = (ANativeWindow*)surface;
if (create(vk->context.instance,
&surf_info, NULL, &vk->vk_surface) != VK_SUCCESS)
{
RARCH_ERR("[Vulkan]: Failed to create Android surface.\n");
return false;
}
RARCH_LOG("[Vulkan]: Created Android surface: %llu\n",
(unsigned long long)vk->vk_surface);
}
#endif
break;
case VULKAN_WSI_WIN32:
#ifdef _WIN32
{
PFN_vkCreateWin32SurfaceKHR create;
if (!VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_SYMBOL(vk->context.instance, "vkCreateWin32SurfaceKHR", create))
return false;
VkWin32SurfaceCreateInfoKHR surf_info;
memset(&surf_info, 0, sizeof(surf_info));
surf_info.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
surf_info.flags = 0;
surf_info.hinstance = *(const HINSTANCE*)display;
surf_info.hwnd = *(const HWND*)surface;
if (create(vk->context.instance,
&surf_info, NULL, &vk->vk_surface) != VK_SUCCESS)
return false;
}
#endif
break;
case VULKAN_WSI_XLIB:
#ifdef HAVE_XLIB
{
PFN_vkCreateXlibSurfaceKHR create;
if (!VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_SYMBOL(vk->context.instance, "vkCreateXlibSurfaceKHR", create))
return false;
VkXlibSurfaceCreateInfoKHR surf_info;
memset(&surf_info, 0, sizeof(surf_info));
surf_info.sType = VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR;
surf_info.flags = 0;
surf_info.dpy = (Display*)display;
surf_info.window = *(const Window*)surface;
if (create(vk->context.instance,
&surf_info, NULL, &vk->vk_surface)
!= VK_SUCCESS)
return false;
}
#endif
break;
case VULKAN_WSI_XCB:
#ifdef HAVE_X11
#ifdef HAVE_XCB
{
PFN_vkCreateXcbSurfaceKHR create;
if (!VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_SYMBOL(vk->context.instance, "vkCreateXcbSurfaceKHR", create))
return false;
VkXcbSurfaceCreateInfoKHR surf_info;
memset(&surf_info, 0, sizeof(surf_info));
surf_info.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
surf_info.flags = 0;
surf_info.connection = XGetXCBConnection((Display*)display);
surf_info.window = *(const xcb_window_t*)surface;
if (create(vk->context.instance,
&surf_info, NULL, &vk->vk_surface)
!= VK_SUCCESS)
return false;
}
#endif
#endif
break;
case VULKAN_WSI_MIR:
#ifdef HAVE_MIR
{
PFN_vkCreateMirSurfaceKHR create;
if (!VULKAN_SYMBOL_WRAPPER_LOAD_INSTANCE_SYMBOL(vk->context.instance, "vkCreateMirSurfaceKHR", create))
return false;
VkMirSurfaceCreateInfoKHR surf_info;
memset(&surf_info, 0, sizeof(surf_info));
surf_info.sType = VK_STRUCTURE_TYPE_MIR_SURFACE_CREATE_INFO_KHR;
surf_info.connection = display;
surf_info.mirSurface = surface;
if (create(vk->context.instance,
&surf_info, NULL, &vk->vk_surface)
!= VK_SUCCESS)
return false;
}
#endif
break;
case VULKAN_WSI_DISPLAY:
{
if (!vulkan_create_display_surface(vk,
&width, &height,
(const struct vulkan_display_surface_info*)display))
return false;
}
break;
case VULKAN_WSI_NONE:
default:
return false;
}
/* Must create device after surface since we need to be able to query queues to use for presentation. */
if (!vulkan_context_init_device(vk))
return false;
if (!vulkan_create_swapchain(
vk, width, height, swap_interval))
return false;
return true;
}
void vulkan_present(gfx_ctx_vulkan_data_t *vk, unsigned index)
{
VkPresentInfoKHR present = { VK_STRUCTURE_TYPE_PRESENT_INFO_KHR };
VkResult result = VK_SUCCESS;
VkResult err = VK_SUCCESS;
present.swapchainCount = 1;
present.pSwapchains = &vk->swapchain;
present.pImageIndices = &index;
present.pResults = &result;
present.waitSemaphoreCount = 1;
present.pWaitSemaphores = &vk->context.swapchain_semaphores[index];
/* Better hope QueuePresent doesn't block D: */
#ifdef HAVE_THREADS
slock_lock(vk->context.queue_lock);
#endif
err = vkQueuePresentKHR(vk->context.queue, &present);
if (err != VK_SUCCESS || result != VK_SUCCESS)
{
RARCH_LOG("[Vulkan]: QueuePresent failed, invalidating swapchain.\n");
vk->context.invalid_swapchain = true;
}
#ifdef HAVE_THREADS
slock_unlock(vk->context.queue_lock);
#endif
}
void vulkan_context_destroy(gfx_ctx_vulkan_data_t *vk,
bool destroy_surface)
{
unsigned i;
if (!vk->context.instance)
return;
if (vk->context.device)
vkDeviceWaitIdle(vk->context.device);
if (vk->swapchain)
vkDestroySwapchainKHR(vk->context.device,
vk->swapchain, NULL);
if (destroy_surface && vk->vk_surface != VK_NULL_HANDLE)
vkDestroySurfaceKHR(vk->context.instance,
vk->vk_surface, NULL);
for (i = 0; i < VULKAN_MAX_SWAPCHAIN_IMAGES; i++)
{
if (vk->context.swapchain_semaphores[i] != VK_NULL_HANDLE)
vkDestroySemaphore(vk->context.device,
vk->context.swapchain_semaphores[i], NULL);
if (vk->context.swapchain_fences[i] != VK_NULL_HANDLE)
vkDestroyFence(vk->context.device,
vk->context.swapchain_fences[i], NULL);
}
#ifdef VULKAN_DEBUG
if (vk->context.debug_callback)
vkDestroyDebugReportCallbackEXT(vk->context.instance, vk->context.debug_callback, NULL);
#endif
if (video_driver_is_video_cache_context())
{
cached_device = vk->context.device;
cached_instance = vk->context.instance;
cached_destroy_device = vk->context.destroy_device;
}
else
{
if (vk->context.device)
vkDestroyDevice(vk->context.device, NULL);
if (vk->context.instance)
{
if (vk->context.destroy_device)
vk->context.destroy_device();
vkDestroyInstance(vk->context.instance, NULL);
if (vulkan_library)
{
dylib_close(vulkan_library);
vulkan_library = NULL;
}
}
}
}
void vulkan_acquire_next_image(gfx_ctx_vulkan_data_t *vk)
{
unsigned index;
VkResult err;
VkFence fence;
VkSemaphoreCreateInfo sem_info =
{ VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO };
VkFenceCreateInfo fence_info =
{ VK_STRUCTURE_TYPE_FENCE_CREATE_INFO };
VkFence *next_fence = NULL;
vkCreateFence(vk->context.device, &fence_info, NULL, &fence);
err = vkAcquireNextImageKHR(vk->context.device,
vk->swapchain, UINT64_MAX,
VK_NULL_HANDLE, fence, &vk->context.current_swapchain_index);
index = vk->context.current_swapchain_index;
if (vk->context.swapchain_semaphores[index] == VK_NULL_HANDLE)
vkCreateSemaphore(vk->context.device, &sem_info,
NULL, &vk->context.swapchain_semaphores[index]);
vkWaitForFences(vk->context.device, 1, &fence, true, UINT64_MAX);
vkDestroyFence(vk->context.device, fence, NULL);
next_fence = &vk->context.swapchain_fences[index];
if (*next_fence != VK_NULL_HANDLE)
{
static struct retro_perf_counter fence_wait = {0};
performance_counter_init(&fence_wait, "fence_wait");
performance_counter_start(&fence_wait);
vkWaitForFences(vk->context.device, 1, next_fence, true, UINT64_MAX);
performance_counter_stop(&fence_wait);
vkResetFences(vk->context.device, 1, next_fence);
}
else
vkCreateFence(vk->context.device, &fence_info, NULL, next_fence);
if (err != VK_SUCCESS)
{
RARCH_LOG("[Vulkan]: AcquireNextImage failed, invalidating swapchain.\n");
vk->context.invalid_swapchain = true;
}
}
bool vulkan_create_swapchain(gfx_ctx_vulkan_data_t *vk,
unsigned width, unsigned height,
unsigned swap_interval)
{
unsigned i;
uint32_t format_count;
uint32_t present_mode_count;
uint32_t desired_swapchain_images;
VkSurfaceCapabilitiesKHR surface_properties;
VkSurfaceFormatKHR formats[256];
VkPresentModeKHR present_modes[16];
VkSurfaceFormatKHR format;
VkExtent2D swapchain_size;
VkSwapchainKHR old_swapchain;
VkSurfaceTransformFlagBitsKHR pre_transform;
VkSwapchainCreateInfoKHR info = {
VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR };
VkPresentModeKHR swapchain_present_mode = VK_PRESENT_MODE_FIFO_KHR;
settings_t *settings = config_get_ptr();
vkDeviceWaitIdle(vk->context.device);
present_mode_count = 0;
vkGetPhysicalDeviceSurfacePresentModesKHR(
vk->context.gpu, vk->vk_surface,
&present_mode_count, NULL);
if (present_mode_count < 1 || present_mode_count > 16)
{
RARCH_ERR("[Vulkan]: Bogus present modes found.\n");
return false;
}
vkGetPhysicalDeviceSurfacePresentModesKHR(
vk->context.gpu, vk->vk_surface,
&present_mode_count, present_modes);
for (i = 0; i < present_mode_count; i++)
{
RARCH_LOG("[Vulkan]: Swapchain supports present mode: %u.\n",
present_modes[i]);
}
for (i = 0; i < present_mode_count; i++)
{
if (!swap_interval && present_modes[i] == VK_PRESENT_MODE_MAILBOX_KHR)
{
swapchain_present_mode = VK_PRESENT_MODE_MAILBOX_KHR;
break;
}
else if (!swap_interval && present_modes[i]
== VK_PRESENT_MODE_IMMEDIATE_KHR)
{
swapchain_present_mode = VK_PRESENT_MODE_IMMEDIATE_KHR;
break;
}
else if (swap_interval && present_modes[i] == VK_PRESENT_MODE_FIFO_KHR)
{
/* Kind of tautological since FIFO must always be present. */
swapchain_present_mode = VK_PRESENT_MODE_FIFO_KHR;
break;
}
}
RARCH_LOG("[Vulkan]: Creating swapchain with present mode: %u\n",
(unsigned)swapchain_present_mode);
vkGetPhysicalDeviceSurfaceCapabilitiesKHR(vk->context.gpu,
vk->vk_surface, &surface_properties);
vkGetPhysicalDeviceSurfaceFormatsKHR(vk->context.gpu,
vk->vk_surface, &format_count, NULL);
vkGetPhysicalDeviceSurfaceFormatsKHR(vk->context.gpu,
vk->vk_surface, &format_count, formats);
if (format_count == 1 && formats[0].format == VK_FORMAT_UNDEFINED)
{
format = formats[0];
format.format = VK_FORMAT_B8G8R8A8_UNORM;
}
else
{
if (format_count == 0)
{
RARCH_ERR("[Vulkan]: Surface has no formats.\n");
return false;
}
format = formats[0];
}
if (surface_properties.currentExtent.width == -1)
{
swapchain_size.width = width;
swapchain_size.height = height;
}
else
swapchain_size = surface_properties.currentExtent;
RARCH_LOG("[Vulkan]: Using swapchain size %u x %u.\n",
swapchain_size.width, swapchain_size.height);
desired_swapchain_images = surface_properties.minImageCount + 1;
/* Limit latency. */
if (desired_swapchain_images > settings->video.max_swapchain_images)
desired_swapchain_images = settings->video.max_swapchain_images;
if (desired_swapchain_images < surface_properties.minImageCount)
desired_swapchain_images = surface_properties.minImageCount;
if ((surface_properties.maxImageCount > 0)
&& (desired_swapchain_images > surface_properties.maxImageCount))
desired_swapchain_images = surface_properties.maxImageCount;
if (surface_properties.supportedTransforms
& VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR)
pre_transform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
else
pre_transform = surface_properties.currentTransform;
old_swapchain = vk->swapchain;
info.surface = vk->vk_surface;
info.minImageCount = desired_swapchain_images;
info.imageFormat = format.format;
info.imageColorSpace = format.colorSpace;
info.imageExtent.width = swapchain_size.width;
info.imageExtent.height = swapchain_size.height;
info.imageArrayLayers = 1;
info.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
info.preTransform = pre_transform;
info.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
info.presentMode = swapchain_present_mode;
info.clipped = true;
info.oldSwapchain = old_swapchain;
info.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT
| VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
if (vkCreateSwapchainKHR(vk->context.device,
&info, NULL, &vk->swapchain) != VK_SUCCESS)
{
RARCH_ERR("[Vulkan]: Failed to create swapchain.\n");
return false;
}
if (old_swapchain != VK_NULL_HANDLE)
{
RARCH_LOG("[Vulkan]: Recycled old swapchain.\n");
vkDestroySwapchainKHR(vk->context.device, old_swapchain, NULL);
}
vk->context.swapchain_width = swapchain_size.width;
vk->context.swapchain_height = swapchain_size.height;
/* Make sure we create a backbuffer format that is as we expect. */
switch (format.format)
{
case VK_FORMAT_B8G8R8A8_SRGB:
vk->context.swapchain_format = VK_FORMAT_B8G8R8A8_UNORM;
vk->context.swapchain_is_srgb = true;
break;
case VK_FORMAT_R8G8B8A8_SRGB:
vk->context.swapchain_format = VK_FORMAT_R8G8B8A8_UNORM;
vk->context.swapchain_is_srgb = true;
break;
case VK_FORMAT_R8G8B8_SRGB:
vk->context.swapchain_format = VK_FORMAT_R8G8B8_UNORM;
vk->context.swapchain_is_srgb = true;
break;
case VK_FORMAT_B8G8R8_SRGB:
vk->context.swapchain_format = VK_FORMAT_B8G8R8_UNORM;
vk->context.swapchain_is_srgb = true;
break;
default:
vk->context.swapchain_format = format.format;
break;
}
vkGetSwapchainImagesKHR(vk->context.device, vk->swapchain,
&vk->context.num_swapchain_images, NULL);
vkGetSwapchainImagesKHR(vk->context.device, vk->swapchain,
&vk->context.num_swapchain_images, vk->context.swapchain_images);
RARCH_LOG("[Vulkan]: Got %u swapchain images.\n",
vk->context.num_swapchain_images);
for (i = 0; i < vk->context.num_swapchain_images; i++)
{
if (vk->context.swapchain_fences[i])
{
vkDestroyFence(vk->context.device,
vk->context.swapchain_fences[i], NULL);
vk->context.swapchain_fences[i] = VK_NULL_HANDLE;
}
}
vulkan_acquire_next_image(vk);
return true;
}
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