protected override void buildCommandBuffers()
{
var cmdBufInfo = new VkCommandBufferBeginInfo();
cmdBufInfo.sType = CommandBufferBeginInfo;
var clearValues = new VkClearValue[2];
clearValues[0].color = defaultClearColor;
clearValues[1].depthStencil = new VkClearDepthStencilValue(1.0f, 0);
var info = new VkRenderPassBeginInfo();
info.sType = RenderPassBeginInfo;
info.renderPass = renderPass;
info.renderArea.offset.x = 0;
info.renderArea.offset.y = 0;
info.renderArea.extent.width = width;
info.renderArea.extent.height = height;
info.clearValues = clearValues;
for (int i = 0; i < drawCmdBuffers.Length; ++i)
{
info.framebuffer = frameBuffers[i];
vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo);
vkCmdBeginRenderPass(drawCmdBuffers[i], &info, VkSubpassContents.Inline);
var viewport = new VkViewport(0, 0, width, height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
var scissor = new VkRect2D(0, 0, width, height);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
vkCmdBindPipeline(drawCmdBuffers[i], VkPipelineBindPoint.Graphics, pipeline);
VkDeviceSize offsets = 0;
VkBuffer buffer = vertexBuffer.buffer;
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &buffer, &offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], indexBuffer.buffer, 0, VkIndexType.Uint32);
// Render multiple objects using different model matrices by dynamically offsetting into one uniform buffer
for (uint j = 0; j < OBJECT_INSTANCES; j++)
{
// One dynamic offset per dynamic descriptor to offset into the ubo containing all model matrices
uint dynamicOffset = j * (uint)(dynamicAlignment);
// Bind the descriptor set for rendering a mesh using the dynamic offset
VkDescriptorSet set = descriptorSet;
vkCmdBindDescriptorSets(drawCmdBuffers[i], VkPipelineBindPoint.Graphics,
pipelineLayout, 0, 1, &set, 1, &dynamicOffset);
vkCmdDrawIndexed(drawCmdBuffers[i], indexCount, 1, 0, 0, 0);
}
vkCmdEndRenderPass(drawCmdBuffers[i]);
vkEndCommandBuffer(drawCmdBuffers[i]);
}
}
protected override void buildCommandBuffers()
{
var cmdInfo = VkCommandBufferBeginInfo.Alloc();
var clearValues = VkClearValue.Alloc(2);
clearValues[0].color = defaultClearColor;
clearValues[1].depthStencil = new VkClearDepthStencilValue()
{
depth = 1.0f, stencil = 0
};
var info = VkRenderPassBeginInfo.Alloc();
info[0].renderPass = renderPass;
info[0].renderArea.offset.x = 0;
info[0].renderArea.offset.y = 0;
info[0].renderArea.extent.width = width;
info[0].renderArea.extent.height = height;
info[0].clearValues.count = 2;
info[0].clearValues.pointer = clearValues;
for (int i = 0; i < drawCmdBuffers.Length; ++i)
{
// Set target frame buffer
info[0].framebuffer = frameBuffers[i];
vkBeginCommandBuffer(drawCmdBuffers[i], cmdInfo);
vkCmdBeginRenderPass(drawCmdBuffers[i], info, VkSubpassContents.Inline);
VkViewport viewport = new VkViewport((float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = new VkRect2D(0, 0, width, height);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
{
VkDescriptorSet set = descriptorSet;
vkCmdBindDescriptorSets(drawCmdBuffers[i], VkPipelineBindPoint.Graphics, pipelineLayout,
0, 1, &set, 0, null);
}
vkCmdBindPipeline(drawCmdBuffers[i], VkPipelineBindPoint.Graphics, pipeline);
{
VkDeviceSize offsets = 0;
VkBuffer buffer = vertexBuffer.buffer;
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1,
&buffer, &offsets);
}
vkCmdBindIndexBuffer(drawCmdBuffers[i], indexBuffer.buffer, 0, VkIndexType.Uint32);
vkCmdDrawIndexed(drawCmdBuffers[i], indexCount, 1, 0, 0, 0);
vkCmdEndRenderPass(drawCmdBuffers[i]);
vkEndCommandBuffer(drawCmdBuffers[i]);
}
}
VkCommandBuffer[] CreateCommandBuffers(
VkDevice device, VkRenderPass renderPass, VkSurfaceCapabilitiesKHR surfaceCapabilities,
VkImage[] images, VkFramebuffer[] framebuffers, VkPipeline pipeline,
VkBuffer vertexBuffer, VkBuffer indexBuffer, uint indexLength,
VkPipelineLayout pipelineLayout, VkDescriptorSet descriptorSet)
{
VkCommandBuffer[] buffers;
{
VkCommandPool pool;
{
var info = new VkCommandPoolCreateInfo {
sType = VkStructureType.CommandPoolCreateInfo
};
info.flags = VkCommandPoolCreateFlagBits.ResetCommandBuffer;
//var commandPool = device.CreateCommandPool(ref poolInfo);
vkCreateCommandPool(device, &info, null, &pool).Check();
}
{
var info = new VkCommandBufferAllocateInfo {
sType = VkStructureType.CommandBufferAllocateInfo
};
info.level = VkCommandBufferLevel.Primary;
info.commandPool = pool;
info.commandBufferCount = (uint)images.Length;
//buffers = device.AllocateCommandBuffers(ref info);
buffers = new VkCommandBuffer[info.commandBufferCount];
fixed(VkCommandBuffer *pointer = buffers)
{
vkAPI.vkAllocateCommandBuffers(device, &info, pointer).Check();
}
}
}
var cmdBeginInfo = new VkCommandBufferBeginInfo {
sType = VkStructureType.CommandBufferBeginInfo
};
var clearValue = new VkClearValue {
color = new VkClearColorValue(0.9f, 0.87f, 0.75f, 1.0f)
};
var begin = new VkRenderPassBeginInfo {
sType = VkStructureType.RenderPassBeginInfo
};
begin.renderPass = renderPass;
begin.clearValues = clearValue;
begin.renderArea = new VkRect2D {
extent = surfaceCapabilities.currentExtent
};
for (int i = 0; i < images.Length; i++)
{
VkCommandBuffer cmds = buffers[i];
//cmds.Begin(ref cmdBeginInfo);
vkAPI.vkBeginCommandBuffer(cmds, &cmdBeginInfo).Check();
begin.framebuffer = framebuffers[i];
vkAPI.vkCmdBeginRenderPass(cmds, &begin, VkSubpassContents.Inline);
vkAPI.vkCmdBindDescriptorSets(cmds, VkPipelineBindPoint.Graphics, pipelineLayout,
0, 1, &descriptorSet,
0, null);
vkAPI.vkCmdBindPipeline(cmds, VkPipelineBindPoint.Graphics, pipeline);
VkDeviceSize offset = 0;
vkAPI.vkCmdBindVertexBuffers(cmds, 0, 1, &vertexBuffer, &offset);
vkAPI.vkCmdBindIndexBuffer(cmds, indexBuffer, offset, VkIndexType.Uint16);
vkAPI.vkCmdDrawIndexed(cmds, indexLength, 1, 0, 0, 0);
vkAPI.vkCmdEndRenderPass(cmds);
vkAPI.vkEndCommandBuffer(cmds).Check();
}
begin.Free();
return(buffers);
}
protected override void buildCommandBuffers()
{
var cmdBufInfo = VkCommandBufferBeginInfo.Alloc();
var clearValues = new VkClearValue[2];
clearValues[0].color = defaultClearColor;
clearValues[1].depthStencil = new VkClearDepthStencilValue()
{
depth = 1.0f, stencil = 0
};
var renderPassBeginInfo = VkRenderPassBeginInfo.Alloc();
renderPassBeginInfo->renderPass = renderPass;
renderPassBeginInfo->renderArea.offset.x = 0;
renderPassBeginInfo->renderArea.offset.y = 0;
renderPassBeginInfo->renderArea.extent.width = width;
renderPassBeginInfo->renderArea.extent.height = height;
renderPassBeginInfo->clearValues = clearValues;
for (int i = 0; i < drawCmdBuffers.Length; ++i)
{
// Set target frame buffer
renderPassBeginInfo->framebuffer = frameBuffers[i];
vkBeginCommandBuffer(drawCmdBuffers[i], cmdBufInfo);
vkCmdBeginRenderPass(drawCmdBuffers[i], renderPassBeginInfo, VkSubpassContents.Inline);
VkViewport viewport = new VkViewport(0, 0, width, height, 0, 1);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = new VkRect2D();
scissor.extent.width = width; scissor.extent.height = height; scissor.offset.x = 0; scissor.offset.y = 0;
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
{
VkDescriptorSet set = descriptorSet;
vkCmdBindDescriptorSets(drawCmdBuffers[i], VkPipelineBindPoint.Graphics,
pipelineLayout, 0, 1, &set, 0, null);
}
vkCmdBindPipeline(drawCmdBuffers[i], VkPipelineBindPoint.Graphics, wireframe ? pipelines_wireframe : pipelines_solid);
ulong offsets = 0;
// Bind mesh vertex buffer
{
VkBuffer buffer = model_vertices_buffer;
VkDeviceSize offset = offsets;
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &buffer, &offset);
}
// Bind mesh index buffer
vkCmdBindIndexBuffer(drawCmdBuffers[i], model_indices_buffer, 0, VkIndexType.Uint32);
// Render mesh vertex buffer using it's indices
vkCmdDrawIndexed(drawCmdBuffers[i], (uint)model_indices_count, 1, 0, 0, 0);
vkCmdEndRenderPass(drawCmdBuffers[i]);
vkEndCommandBuffer(drawCmdBuffers[i]);
}
}
protected override void buildCommandBuffers()
{
var cmdBufInfo = VkCommandBufferBeginInfo.Alloc();
var clearValues = new VkClearValue[2];
clearValues[0].color = defaultClearColor;
clearValues[1].depthStencil = new VkClearDepthStencilValue {
depth = 1.0f, stencil = 0
};
var renderPassBeginInfo = VkRenderPassBeginInfo.Alloc();
renderPassBeginInfo->renderPass = renderPass;
renderPassBeginInfo->renderArea.offset.x = 0;
renderPassBeginInfo->renderArea.offset.y = 0;
renderPassBeginInfo->renderArea.extent.width = width;
renderPassBeginInfo->renderArea.extent.height = height;
//renderPassBeginInfo->clearValueCount = 2;
//renderPassBeginInfo->pClearValues = &clearValues.First;
renderPassBeginInfo->clearValues = clearValues;
for (int i = 0; i < drawCmdBuffers.Length; ++i)
{
// Set target frame buffer
renderPassBeginInfo->framebuffer = frameBuffers[i];
vkBeginCommandBuffer(drawCmdBuffers[i], cmdBufInfo);
vkCmdBeginRenderPass(drawCmdBuffers[i], renderPassBeginInfo, VkSubpassContents.Inline);// VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = new VkViewport(width, height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = new VkRect2D(0, 0, width, height);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
// 3D scene
{
VkDescriptorSet set = setScene;
vkCmdBindDescriptorSets(drawCmdBuffers[i], VkPipelineBindPoint.Graphics,// VK_PIPELINE_BIND_POINT_GRAPHICS,
pipelineLayoutScene, 0, 1, &set, 0, null);
}
vkCmdBindPipeline(drawCmdBuffers[i], VkPipelineBindPoint.Graphics, // VK_PIPELINE_BIND_POINT_GRAPHICS,
pipelinePhongPass);
{
VkBuffer buffer = model.vertices.buffer;
VkDeviceSize offset = 0;
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &buffer, &offset);
}
vkCmdBindIndexBuffer(drawCmdBuffers[i], model.indices.buffer, 0, VkIndexType.Uint32);// VK_INDEX_TYPE_UINT32);
vkCmdDrawIndexed(drawCmdBuffers[i], model.indexCount, 1, 0, 0, 0);
// Fullscreen triangle (clipped to a quad) with radial blur
if (blur)
{
{
VkDescriptorSet set = setRadialBlur;
vkCmdBindDescriptorSets(drawCmdBuffers[i], VkPipelineBindPoint.Graphics,// VK_PIPELINE_BIND_POINT_GRAPHICS,
pipelineLayoutRadialBlur, 0, 1, &set, 0, null);
}
vkCmdBindPipeline(drawCmdBuffers[i], VkPipelineBindPoint.Graphics,// VK_PIPELINE_BIND_POINT_GRAPHICS,
(displayTexture) ? pipelineOffscreenDisplay : pipelineRadialBlur);
vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0);
}
vkCmdEndRenderPass(drawCmdBuffers[i]);
vkEndCommandBuffer(drawCmdBuffers[i]);
}
}
// Sets up the command buffer that renders the scene to the offscreen frame buffer
void buildOffscreenCommandBuffer()
{
if (offscreenPass.commandBuffer.handle == 0)
{
offscreenPass.commandBuffer = createCommandBuffer(
VkCommandBufferLevel.Primary //VK_COMMAND_BUFFER_LEVEL_PRIMARY
, false);
}
if (offscreenPass.semaphore.handle == 0)
{
var semaphoreCreateInfo = VkSemaphoreCreateInfo.Alloc();
VkSemaphore semaphore;
vkCreateSemaphore(device, semaphoreCreateInfo, null, &semaphore);
offscreenPass.semaphore = semaphore;
}
var cmdBufInfo = VkCommandBufferBeginInfo.Alloc();
var clearValues = new VkClearValue[2];
clearValues[0].color = defaultClearColor;
clearValues[1].depthStencil = new VkClearDepthStencilValue {
depth = 1.0f, stencil = 0
};
var renderPassBeginInfo = VkRenderPassBeginInfo.Alloc();
renderPassBeginInfo->renderPass = offscreenPass.renderPass;
renderPassBeginInfo->framebuffer = offscreenPass.framebuffer;
renderPassBeginInfo->renderArea.extent.width = offscreenPass.width;
renderPassBeginInfo->renderArea.extent.height = offscreenPass.height;
renderPassBeginInfo->clearValues = clearValues;
vkBeginCommandBuffer(offscreenPass.commandBuffer, cmdBufInfo);
VkViewport viewport = new VkViewport(offscreenPass.width, offscreenPass.height, 0.0f, 1.0f);
vkCmdSetViewport(offscreenPass.commandBuffer, 0, 1, &viewport);
VkRect2D scissor = new VkRect2D(0, 0, offscreenPass.width, offscreenPass.height);
vkCmdSetScissor(offscreenPass.commandBuffer, 0, 1, &scissor);
vkCmdBeginRenderPass(offscreenPass.commandBuffer, renderPassBeginInfo, VkSubpassContents.Inline);// VK_SUBPASS_CONTENTS_INLINE);
{
VkDescriptorSet set = setScene;
vkCmdBindDescriptorSets(offscreenPass.commandBuffer, VkPipelineBindPoint.Graphics,// VK_PIPELINE_BIND_POINT_GRAPHICS,
pipelineLayoutScene, 0, 1, &set, 0, null);
}
vkCmdBindPipeline(offscreenPass.commandBuffer, VkPipelineBindPoint.Graphics, // VK_PIPELINE_BIND_POINT_GRAPHICS,
pipelineColorPass);
{
VkBuffer buffer = model.vertices.buffer;
VkDeviceSize offset = 0;
vkCmdBindVertexBuffers(offscreenPass.commandBuffer, VERTEX_BUFFER_BIND_ID, 1, &buffer, &offset);
}
vkCmdBindIndexBuffer(offscreenPass.commandBuffer, model.indices.buffer, 0, VkIndexType.Uint32);// VK_INDEX_TYPE_UINT32);
vkCmdDrawIndexed(offscreenPass.commandBuffer, model.indexCount, 1, 0, 0, 0);
vkCmdEndRenderPass(offscreenPass.commandBuffer);
vkEndCommandBuffer(offscreenPass.commandBuffer);
}
