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Merge pull request #3264 from Themaister/master

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Vulkan: Implement BFI.
This commit is contained in:
Twinaphex 2016-07-24 00:12:26 +02:00 committed by GitHub
commit bcd73b4a79
2 changed files with 67 additions and 1 deletions
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2
gfx/common/vulkan_common.c
View File

@ -2300,7 +2300,7 @@ bool vulkan_create_swapchain(gfx_ctx_vulkan_data_t *vk,
info.clipped = true;
info.oldSwapchain = old_swapchain;
info.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT
| VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
| VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
if (vkCreateSwapchainKHR(vk->context.device,
&info, NULL, &vk->swapchain) != VK_SUCCESS)

66
gfx/drivers/vulkan.c
View File

@ -1448,6 +1448,60 @@ static void vulkan_readback(vk_t *vk)
VK_PIPELINE_STAGE_HOST_BIT);
}
static void vulkan_inject_black_frame(vk_t *vk)
{
VkCommandBufferBeginInfo begin_info = {
VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO };
VkSubmitInfo submit_info = {
VK_STRUCTURE_TYPE_SUBMIT_INFO };
const VkClearColorValue clear_color = {{ 0.0f, 0.0f, 0.0f, 1.0f }};
const VkImageSubresourceRange range = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 };
unsigned frame_index = vk->context->current_swapchain_index;
struct vk_per_frame *chain = &vk->swapchain[frame_index];
vk->chain = chain;
vk->cmd = chain->cmd;
begin_info.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
vkResetCommandBuffer(vk->cmd, 0);
vkBeginCommandBuffer(vk->cmd, &begin_info);
vulkan_image_layout_transition(vk, vk->cmd, chain->backbuffer.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);
vkCmdClearColorImage(vk->cmd, chain->backbuffer.image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
&clear_color, 1, &range);
vulkan_image_layout_transition(vk, vk->cmd, chain->backbuffer.image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
VK_ACCESS_TRANSFER_WRITE_BIT, 0,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT);
vkEndCommandBuffer(vk->cmd);
submit_info.commandBufferCount = 1;
submit_info.pCommandBuffers = &vk->cmd;
if (vk->context->swapchain_semaphores[frame_index] != VK_NULL_HANDLE)
{
submit_info.signalSemaphoreCount = 1;
submit_info.pSignalSemaphores = &vk->context->swapchain_semaphores[frame_index];
}
#ifdef HAVE_THREADS
slock_lock(vk->context->queue_lock);
#endif
vkQueueSubmit(vk->context->queue, 1,
&submit_info, vk->context->swapchain_fences[frame_index]);
#ifdef HAVE_THREADS
slock_unlock(vk->context->queue_lock);
#endif
video_context_driver_swap_buffers();
}
static bool vulkan_frame(void *data, const void *frame,
unsigned frame_width, unsigned frame_height,
uint64_t frame_count,
@ -1457,6 +1511,7 @@ static bool vulkan_frame(void *data, const void *frame,
unsigned width, height;
VkClearValue clear_value;
vk_t *vk = (vk_t*)data;
settings_t *settings = config_get_ptr();
static struct retro_perf_counter frame_run = {0};
static struct retro_perf_counter begin_cmd = {0};
static struct retro_perf_counter build_cmd = {0};
@ -1849,6 +1904,17 @@ static bool vulkan_frame(void *data, const void *frame,
}
vulkan_check_swapchain(vk);
/* Disable BFI during fast forward, slow-motion,
* and pause to prevent flicker. */
if (
settings->video.black_frame_insertion
&& !input_driver_is_nonblock_state()
&& !runloop_ctl(RUNLOOP_CTL_IS_SLOWMOTION, NULL)
&& !runloop_ctl(RUNLOOP_CTL_IS_PAUSED, NULL))
{
vulkan_inject_black_frame(vk);
}
return true;
}