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Add configurable dof framebuffer downscale factor

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This commit is contained in:
Joshua Goins 2018-11-05 21:26:39 -05:00
parent 1ea4b4faab
commit c3c678c5b0
3 changed files with 20 additions and 18 deletions
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2
include/dofpass.h
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@ -6,6 +6,8 @@ class Renderer;
struct RenderTarget;
class Camera;
const int dofFramebufferDownscaleFactor = 4;
class DoFPass {
public:
DoFPass(Renderer& renderer);

18
src/dofpass.cpp
View file

@ -30,15 +30,15 @@ DoFPass::~DoFPass() {
void DoFPass::render(VkCommandBuffer commandBuffer, Camera& camera, RenderTarget* target) {
VkViewport viewport = {};
viewport.width = target->extent.width / 2;
viewport.height = target->extent.height / 2;
viewport.width = target->extent.width / dofFramebufferDownscaleFactor;
viewport.height = target->extent.height / dofFramebufferDownscaleFactor;
viewport.maxDepth = 1.0f;
vkCmdSetViewport(commandBuffer, 0, 1, &viewport);
VkRect2D scissor = {};
scissor.extent.width = target->extent.width / 2;
scissor.extent.height = target->extent.height / 2;
scissor.extent.width = target->extent.width / dofFramebufferDownscaleFactor;
scissor.extent.height = target->extent.height / dofFramebufferDownscaleFactor;
vkCmdSetScissor(commandBuffer, 0, 1, &scissor);
@ -48,8 +48,8 @@ void DoFPass::render(VkCommandBuffer commandBuffer, Camera& camera, RenderTarget
renderPassBeginInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
renderPassBeginInfo.framebuffer = target->farFieldFramebuffers[target->currentImage];
renderPassBeginInfo.renderPass = renderPass_;
renderPassBeginInfo.renderArea.extent.width = target->extent.width / 2;
renderPassBeginInfo.renderArea.extent.height = target->extent.height / 2;
renderPassBeginInfo.renderArea.extent.width = target->extent.width / dofFramebufferDownscaleFactor;
renderPassBeginInfo.renderArea.extent.height = target->extent.height / dofFramebufferDownscaleFactor;
renderPassBeginInfo.clearValueCount = 1;
renderPassBeginInfo.pClearValues = &clearColor;
@ -59,8 +59,8 @@ void DoFPass::render(VkCommandBuffer commandBuffer, Camera& camera, RenderTarget
glm::vec4 dpack;
dpack[0] = camera.aperture;
dpack[1] = (camera.far - camera.focusDistance) / camera.far;
dpack[2] = target->extent.width / 2;
dpack[3] = target->extent.height / 2;
dpack[2] = target->extent.width / dofFramebufferDownscaleFactor;
dpack[3] = target->extent.height / dofFramebufferDownscaleFactor;
vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline_);
vkCmdBindDescriptorSets(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout_, 0, 1, &target->dofSets[target->currentImage], 0, nullptr);
@ -68,7 +68,7 @@ void DoFPass::render(VkCommandBuffer commandBuffer, Camera& camera, RenderTarget
vkCmdPushConstants(commandBuffer, pipelineLayout_, VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 0, sizeof(glm::vec4), &dpack);
if(camera.aperture > 0.0f)
vkCmdDraw(commandBuffer, 3, (target->extent.width / 2) * (target->extent.height / 2), 0, 0);
vkCmdDraw(commandBuffer, 3, (target->extent.width / dofFramebufferDownscaleFactor) * (target->extent.height / dofFramebufferDownscaleFactor), 0, 0);
vkCmdEndRenderPass(commandBuffer);

16
src/renderer.cpp
View file

@ -352,8 +352,8 @@ RenderTarget* Renderer::createSurfaceRenderTarget(VkSurfaceKHR surface, RenderTa
imageCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
imageCreateInfo.format = VK_FORMAT_R32G32B32A32_SFLOAT;
imageCreateInfo.extent.width = target->extent.width / 2;
imageCreateInfo.extent.height = target->extent.height / 2;
imageCreateInfo.extent.width = target->extent.width / dofFramebufferDownscaleFactor;
imageCreateInfo.extent.height = target->extent.height / dofFramebufferDownscaleFactor;
imageCreateInfo.extent.depth = 1;
imageCreateInfo.mipLevels = 1;
imageCreateInfo.arrayLayers = 1;
@ -396,8 +396,8 @@ RenderTarget* Renderer::createSurfaceRenderTarget(VkSurfaceKHR surface, RenderTa
framebufferInfo.renderPass = dofPass_->getRenderPass();
framebufferInfo.attachmentCount = 1;
framebufferInfo.pAttachments = &target->nearFieldImageViews[i];
framebufferInfo.width = target->extent.width / 2;
framebufferInfo.height = target->extent.height / 2;
framebufferInfo.width = target->extent.width / dofFramebufferDownscaleFactor;
framebufferInfo.height = target->extent.height / dofFramebufferDownscaleFactor;
framebufferInfo.layers = 1;
vkCreateFramebuffer(device_, &framebufferInfo, nullptr, &target->nearFieldFramebuffers[i]);
@ -409,8 +409,8 @@ RenderTarget* Renderer::createSurfaceRenderTarget(VkSurfaceKHR surface, RenderTa
imageCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
imageCreateInfo.format = VK_FORMAT_R32G32B32A32_SFLOAT;
imageCreateInfo.extent.width = target->extent.width / 2;
imageCreateInfo.extent.height = target->extent.height / 2;
imageCreateInfo.extent.width = target->extent.width / dofFramebufferDownscaleFactor;
imageCreateInfo.extent.height = target->extent.height / dofFramebufferDownscaleFactor;
imageCreateInfo.extent.depth = 1;
imageCreateInfo.mipLevels = 1;
imageCreateInfo.arrayLayers = 1;
@ -453,8 +453,8 @@ RenderTarget* Renderer::createSurfaceRenderTarget(VkSurfaceKHR surface, RenderTa
framebufferInfo.renderPass = dofPass_->getRenderPass();
framebufferInfo.attachmentCount = 1;
framebufferInfo.pAttachments = &target->farFieldImageViews[i];
framebufferInfo.width = target->extent.width / 2;
framebufferInfo.height = target->extent.height / 2;
framebufferInfo.width = target->extent.width / dofFramebufferDownscaleFactor;
framebufferInfo.height = target->extent.height / dofFramebufferDownscaleFactor;
framebufferInfo.layers = 1;
vkCreateFramebuffer(device_, &framebufferInfo, nullptr, &target->farFieldFramebuffers[i]);