public static VkCommandBufferBeginInfo CommandBufferBeginInfo()
{
VkCommandBufferBeginInfo cmdBufferBeginInfo = new VkCommandBufferBeginInfo();
cmdBufferBeginInfo.sType = VkStructureType.CommandBufferBeginInfo;
return(cmdBufferBeginInfo);
}
public void BeginAndContinueRenderPass(RenderContext context)
{
if (vkCmd.Handle == NullHandle)
{
return;
}
CheckNotBegun();
CheckSecondary();
VkCommandBufferBeginInfo cmdBufInfo = Initializers.commandBufferBeginInfo();
VkCommandBufferInheritanceInfo inheritanceInfo = VkCommandBufferInheritanceInfo.New();
cmdBufInfo.flags = VkCommandBufferUsageFlags.RenderPassContinue;
inheritanceInfo.renderPass = context.currentRenderPass.vkRenderPass;
inheritanceInfo.subpass = context.currentSubPassIndex;
inheritanceInfo.framebuffer = context.currentFrameBuffer.vkFrameBuffer;
cmdBufInfo.pInheritanceInfo = &inheritanceInfo;
Util.CheckResult(vkBeginCommandBuffer(vkCmd, &cmdBufInfo));
begun = true;
inRenderPass = true;
//Does not draw anything without viewport and scissor
SetViewportScissor(context);
}
public override void Begin()
{
if (_commandBufferBegun)
{
throw new VeldridException(
"CommandList must be in its initial state, or End() must have been called, for Begin() to be valid to call.");
}
if (_commandBufferEnded)
{
_commandBufferEnded = false;
_cb = GetNextCommandBuffer();
if (_currentStagingInfo != null)
{
RecycleStagingInfo(_currentStagingInfo);
}
}
_currentStagingInfo = GetStagingResourceInfo();
VkCommandBufferBeginInfo beginInfo = VkCommandBufferBeginInfo.New();
beginInfo.flags = VkCommandBufferUsageFlags.OneTimeSubmit;
vkBeginCommandBuffer(_cb, ref beginInfo);
_commandBufferBegun = true;
ClearCachedState();
_currentFramebuffer = null;
_currentGraphicsPipeline = null;
Util.ClearArray(_currentGraphicsResourceSets);
Util.ClearArray(_scissorRects);
_currentComputePipeline = null;
Util.ClearArray(_currentComputeResourceSets);
}
public unsafe void Begin(
VkCommandBufferUsageFlags commandBufferUsageFlag,
RenderPass renderPass,
Framebuffer framebuffer,
uint subpass = 0
)
{
if (_level != VkCommandBufferLevel.Secondary)
{
throw new Exception("you can only use this method for secondary command buffers");
}
var inheritanceInfo = new VkCommandBufferInheritanceInfo
{
sType = VkStructureType.CommandBufferInheritanceInfo,
renderPass = renderPass.Handle,
framebuffer = framebuffer.Handle
};
var beginInfo = new VkCommandBufferBeginInfo
{
sType = VkStructureType.CommandBufferBeginInfo,
flags = commandBufferUsageFlag,
pInheritanceInfo = &inheritanceInfo
};
if (VulkanNative.vkBeginCommandBuffer(
_handle,
&beginInfo
) != VkResult.Success)
{
throw new Exception("failed to begin command buffer");
}
}
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()
{
VkCommandBufferBeginInfo cmdBufInfo = Initializers.commandBufferBeginInfo();
FixedArray2 <VkClearValue> clearValues = new FixedArray2 <VkClearValue>();
clearValues.First.color = defaultClearColor;
clearValues.Second.depthStencil = new VkClearDepthStencilValue {
depth = 1.0f, stencil = 0
};
VkRenderPassBeginInfo renderPassBeginInfo = Initializers.renderPassBeginInfo();
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;
for (int i = 0; i < drawCmdBuffers.Count; ++i)
{
// Set target frame buffer
renderPassBeginInfo.framebuffer = frameBuffers[i];
Util.CheckResult(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = Initializers.viewport((float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = Initializers.rect2D(width, height, 0, 0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
ulong offsets = 0;
// 3D scene
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts_scene, 0, 1, ref descriptorSets_scene, 0, null);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines_phongPass);
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, ref models_example.vertices.buffer, &offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], models_example.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
vkCmdDrawIndexed(drawCmdBuffers[i], models_example.indexCount, 1, 0, 0, 0);
// Fullscreen triangle (clipped to a quad) with radial blur
if (blur)
{
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts_radialBlur, 0, 1, ref descriptorSets_radialBlur, 0, null);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, (displayTexture) ? pipelines_offscreenDisplay : pipelines_radialBlur);
vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0);
}
vkCmdEndRenderPass(drawCmdBuffers[i]);
Util.CheckResult(vkEndCommandBuffer(drawCmdBuffers[i]));
}
}
private void createCommandBuffers()
{
int commandBuffersCount = swapChainFramebuffers.Length;
commandBuffers = new VkCommandBuffer[commandBuffersCount];
VkCommandBufferAllocateInfo allocInfo = new VkCommandBufferAllocateInfo();
allocInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
allocInfo.commandPool = commandPool;
allocInfo.level = VkCommandBufferLevel.VK_COMMAND_BUFFER_LEVEL_PRIMARY;
allocInfo.commandBufferCount = commandBuffersCount;
VkResult result = Vulkan.vkAllocateCommandBuffers(device, allocInfo, commandBuffers);
if (result != VkResult.VK_SUCCESS)
{
throw Program.Throw("failed to allocate command buffers!", result);
}
for (int i = 0; i < commandBuffersCount; i++)
{
VkCommandBufferBeginInfo beginInfo = new VkCommandBufferBeginInfo();
beginInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
beginInfo.flags = VkCommandBufferUsageFlagBits.VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT;
Vulkan.vkBeginCommandBuffer(commandBuffers[i], beginInfo);
VkRenderPassBeginInfo renderPassInfo = new VkRenderPassBeginInfo();
renderPassInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
renderPassInfo.renderPass = renderPass;
renderPassInfo.framebuffer = swapChainFramebuffers[i];
renderPassInfo.renderArea.offset = VkOffset2D.Create(0, 0);
renderPassInfo.renderArea.extent = swapChainExtent;
VkClearValue clearColor = VkClearValue.Create(0.01f, 0.03f, 0.01f, 1.0f);
renderPassInfo.clearValueCount = 1;
renderPassInfo.pClearValues = new VkClearValue[] { clearColor };
Vulkan.vkCmdBeginRenderPass(commandBuffers[i], renderPassInfo, VkSubpassContents.VK_SUBPASS_CONTENTS_INLINE);
Vulkan.vkCmdBindPipeline(commandBuffers[i], VkPipelineBindPoint.VK_PIPELINE_BIND_POINT_GRAPHICS, graphicsPipeline);
VkBuffer[] vertexBuffers = new VkBuffer[] { vertexBuffer };
int[] offsets = new int[] { 0 };
Vulkan.vkCmdBindVertexBuffers(commandBuffers[i], 0, 1, vertexBuffers, offsets);
Vulkan.vkCmdDraw(commandBuffers[i], vertices.Length, 1, 0, 0);
Vulkan.vkCmdEndRenderPass(commandBuffers[i]);
result = Vulkan.vkEndCommandBuffer(commandBuffers[i]);
if (result != VkResult.VK_SUCCESS)
{
throw Program.Throw("failed to record command buffer!", result);
}
}
}
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]);
}
}
protected override void buildCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = Initializers.commandBufferBeginInfo();
FixedArray2 <VkClearValue> clearValues = new FixedArray2 <VkClearValue>();
clearValues.First.color = defaultClearColor;
clearValues.Second.depthStencil = new VkClearDepthStencilValue {
depth = 1.0f, stencil = 0
};
VkRenderPassBeginInfo renderPassBeginInfo = Initializers.renderPassBeginInfo();
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;
for (int i = 0; i < drawCmdBuffers.Count; ++i)
{
renderPassBeginInfo.framebuffer = frameBuffers[i];
Util.CheckResult(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = Initializers.viewport((float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = Initializers.rect2D(width, height, 0, 0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
ulong offsets = 0;
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, ref vertexBuffer.buffer, &offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], indexBuffer.buffer, 0, VK_INDEX_TYPE_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
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, ref descriptorSet, 1, &dynamicOffset);
vkCmdDrawIndexed(drawCmdBuffers[i], indexCount, 1, 0, 0, 0);
}
vkCmdEndRenderPass(drawCmdBuffers[i]);
Util.CheckResult(vkEndCommandBuffer(drawCmdBuffers[i]));
}
}
// Sets up the command buffer that renders the scene to the offscreen frame buffer
void buildOffscreenCommandBuffer()
{
if (offscreenPass.commandBuffer == NullHandle)
{
offscreenPass.commandBuffer = createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, false);
}
if (offscreenPass.semaphore == NullHandle)
{
VkSemaphoreCreateInfo semaphoreCreateInfo = Initializers.semaphoreCreateInfo();
Util.CheckResult(vkCreateSemaphore(device, &semaphoreCreateInfo, null, out offscreenPass.semaphore));
}
VkCommandBufferBeginInfo cmdBufInfo = Initializers.commandBufferBeginInfo();
FixedArray2 <VkClearValue> clearValues = new FixedArray2 <VkClearValue>();
clearValues.First.color = new VkClearColorValue {
float32_0 = 0.0f, float32_1 = 0.0f, float32_2 = 0.0f, float32_3 = 0.0f
};
clearValues.Second.depthStencil = new VkClearDepthStencilValue {
depth = 1.0f, stencil = 0
};
VkRenderPassBeginInfo renderPassBeginInfo = Initializers.renderPassBeginInfo();
renderPassBeginInfo.renderPass = offscreenPass.renderPass;
renderPassBeginInfo.framebuffer = offscreenPass.frameBuffer;
renderPassBeginInfo.renderArea.extent.width = offscreenPass.width;
renderPassBeginInfo.renderArea.extent.height = offscreenPass.height;
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = &clearValues.First;
Util.CheckResult(vkBeginCommandBuffer(offscreenPass.commandBuffer, &cmdBufInfo));
VkViewport viewport = Initializers.viewport((float)offscreenPass.width, (float)offscreenPass.height, 0.0f, 1.0f);
vkCmdSetViewport(offscreenPass.commandBuffer, 0, 1, &viewport);
VkRect2D scissor = Initializers.rect2D(offscreenPass.width, offscreenPass.height, 0, 0);
vkCmdSetScissor(offscreenPass.commandBuffer, 0, 1, &scissor);
vkCmdBeginRenderPass(offscreenPass.commandBuffer, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
vkCmdBindDescriptorSets(offscreenPass.commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts_scene, 0, 1, ref descriptorSets_scene, 0, null);
vkCmdBindPipeline(offscreenPass.commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines_colorPass);
ulong offsets = 0;
vkCmdBindVertexBuffers(offscreenPass.commandBuffer, VERTEX_BUFFER_BIND_ID, 1, ref models_example.vertices.buffer, &offsets);
vkCmdBindIndexBuffer(offscreenPass.commandBuffer, models_example.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
vkCmdDrawIndexed(offscreenPass.commandBuffer, models_example.indexCount, 1, 0, 0, 0);
vkCmdEndRenderPass(offscreenPass.commandBuffer);
Util.CheckResult(vkEndCommandBuffer(offscreenPass.commandBuffer));
}
protected override void buildCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = Initializers.commandBufferBeginInfo();
FixedArray2<VkClearValue> clearValues = new FixedArray2<VkClearValue>();
clearValues.First.color = defaultClearColor;
clearValues.Second.depthStencil = new VkClearDepthStencilValue { depth = 1.0f, stencil = 0 };
VkRenderPassBeginInfo renderPassBeginInfo = Initializers.renderPassBeginInfo();
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;
for (int i = 0; i < drawCmdBuffers.Count; ++i)
{
// Set target frame buffer
renderPassBeginInfo.framebuffer = frameBuffers[i];
Util.CheckResult(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VkSubpassContents.Inline);
VkViewport viewport = Initializers.viewport((float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = Initializers.rect2D(width, height, 0, 0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
ulong offsets = 0;
// Skybox
if (displaySkybox)
{
vkCmdBindDescriptorSets(drawCmdBuffers[i], VkPipelineBindPoint.Graphics, pipelineLayout, 0, 1, ref descriptorSets_skybox, 0, null);
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, ref models_skybox.vertices.buffer, ref offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], models_skybox.indices.buffer, 0, VkIndexType.Uint32);
vkCmdBindPipeline(drawCmdBuffers[i], VkPipelineBindPoint.Graphics, pipelines_skybox);
vkCmdDrawIndexed(drawCmdBuffers[i], models_skybox.indexCount, 1, 0, 0, 0);
}
// 3D object
vkCmdBindDescriptorSets(drawCmdBuffers[i], VkPipelineBindPoint.Graphics, pipelineLayout, 0, 1, ref descriptorSets_object, 0, null);
var vbuffer = models_objects[(int)models_objectIndex].vertices.buffer;
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &vbuffer, ref offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], models_objects[(int)models_objectIndex].indices.buffer, 0, VkIndexType.Uint32);
vkCmdBindPipeline(drawCmdBuffers[i], VkPipelineBindPoint.Graphics, pipelines_reflect);
vkCmdDrawIndexed(drawCmdBuffers[i], models_objects[(int)models_objectIndex].indexCount, 1, 0, 0, 0);
vkCmdEndRenderPass(drawCmdBuffers[i]);
Util.CheckResult(vkEndCommandBuffer(drawCmdBuffers[i]));
}
}
private void CreateCommandBuffers()
{
this.commandBuffers = new VkCommandBuffer[this.swapChainFramebuffers.Length];
VkCommandBufferAllocateInfo allocInfo = new VkCommandBufferAllocateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
commandPool = commandPool,
level = VkCommandBufferLevel.VK_COMMAND_BUFFER_LEVEL_PRIMARY,
commandBufferCount = (uint)commandBuffers.Length,
};
fixed(VkCommandBuffer *commandBuffersPtr = &this.commandBuffers[0])
{
Helpers.CheckErrors(VulkanNative.vkAllocateCommandBuffers(this.device, &allocInfo, commandBuffersPtr));
}
// Begin
for (uint i = 0; i < this.commandBuffers.Length; i++)
{
VkCommandBufferBeginInfo beginInfo = new VkCommandBufferBeginInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
flags = 0, // Optional
pInheritanceInfo = null, // Optional
};
Helpers.CheckErrors(VulkanNative.vkBeginCommandBuffer(this.commandBuffers[i], &beginInfo));
// Pass
VkClearValue clearColor = new VkClearValue()
{
color = new VkClearColorValue(0.0f, 0.0f, 0.0f, 1.0f),
};
VkRenderPassBeginInfo renderPassInfo = new VkRenderPassBeginInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
renderPass = this.renderPass,
framebuffer = this.swapChainFramebuffers[i],
renderArea = new VkRect2D(0, 0, this.swapChainExtent.width, this.swapChainExtent.height),
clearValueCount = 1,
pClearValues = &clearColor,
};
VulkanNative.vkCmdBeginRenderPass(this.commandBuffers[i], &renderPassInfo, VkSubpassContents.VK_SUBPASS_CONTENTS_INLINE);
// Draw
VulkanNative.vkCmdBindPipeline(this.commandBuffers[i], VkPipelineBindPoint.VK_PIPELINE_BIND_POINT_GRAPHICS, this.graphicsPipeline);
VulkanNative.vkCmdDraw(this.commandBuffers[i], 3, 1, 0, 0);
VulkanNative.vkCmdEndRenderPass(this.commandBuffers[i]);
Helpers.CheckErrors(VulkanNative.vkEndCommandBuffer(this.commandBuffers[i]));
}
}
public static VkResult vkBeginCommandBuffer(VkCommandBuffer commandBuffer, VkCommandBufferUsageFlags flags)
{
VkCommandBufferBeginInfo beginInfo = new VkCommandBufferBeginInfo
{
sType = VkStructureType.CommandBufferBeginInfo,
flags = VkCommandBufferUsageFlags.OneTimeSubmit
};
return(vkBeginCommandBuffer(commandBuffer, &beginInfo));
}
public void Begin(VkCommandBufferUsageFlags flags = VkCommandBufferUsageFlags.None)
{
var cmdBufInfo = new VkCommandBufferBeginInfo();
cmdBufInfo.sType = VkStructureType.CommandBufferBeginInfo;
cmdBufInfo.flags = flags;
VulkanUtil.CheckResult(vkBeginCommandBuffer(commandBuffer, &cmdBufInfo));
opened = true;
ClearDescriptorSets();
}
private void CreateCommandBuffers()
{
var allocInfo = new VkCommandBufferAllocateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
commandPool = vkCommandPool,
level = VkCommandBufferLevel.VK_COMMAND_BUFFER_LEVEL_PRIMARY,
commandBufferCount = (uint)vkSwapChainFramebuffers.Length,
};
vkCommandBuffers = new VkCommandBuffer[vkSwapChainFramebuffers.Length];
fixed(VkCommandBuffer *newCommandBuffer = vkCommandBuffers)
VulkanNative.vkAllocateCommandBuffers(vkDevice, &allocInfo, newCommandBuffer);
for (int i = 0; i < vkCommandBuffers.Length; i++)
{
var commandBuffer = vkCommandBuffers[i];
var beginInfo = new VkCommandBufferBeginInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
flags = VkCommandBufferUsageFlagBits.VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT,
pInheritanceInfo = null,
};
var result = VulkanNative.vkBeginCommandBuffer(commandBuffer, &beginInfo);
Helpers.CheckErrors(result);
VkClearValue clearColor = new VkClearValue()
{
color = new VkClearColorValue(0, 0, 0, 1f),
};
var renderPassInfo = new VkRenderPassBeginInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
renderPass = vkRenderPass,
framebuffer = vkSwapChainFramebuffers[i],
renderArea = new VkRect2D()
{
extent = vkSwapChainExtent
},
pClearValues = &clearColor,
clearValueCount = 1,
};
VulkanNative.vkCmdBeginRenderPass(commandBuffer, &renderPassInfo, VkSubpassContents.VK_SUBPASS_CONTENTS_INLINE);
VulkanNative.vkCmdBindPipeline(commandBuffer, VkPipelineBindPoint.VK_PIPELINE_BIND_POINT_GRAPHICS, vkGraphicsPipeline);
VulkanNative.vkCmdDraw(commandBuffer, 3, 1, 0, 0);
VulkanNative.vkCmdEndRenderPass(commandBuffer);
result = VulkanNative.vkEndCommandBuffer(commandBuffer);
Helpers.CheckErrors(result);
}
}
public void BeginRenderPassContinue()
{
VkCommandBufferBeginInfo cmd_buffer_info = new VkCommandBufferBeginInfo()
{
sType = VkStructureType.CommandBufferBeginInfo,
flags = VkCommandBufferUsageFlags.RenderPassContinue,
pNext = null,
};
vkBeginCommandBuffer(handle, &cmd_buffer_info);
}
public void BeginOneTimeSubmit()
{
VkCommandBufferBeginInfo cmd_buffer_info = new VkCommandBufferBeginInfo()
{
sType = VkStructureType.CommandBufferBeginInfo,
flags = VkCommandBufferUsageFlags.OneTimeSubmit,
pNext = null,
};
vkBeginCommandBuffer(handle, &cmd_buffer_info);
}
VkCommandBuffer BeginSingleTimeCommands()
{
var commandBuffer = commandPool.Allocate(VkCommandBufferLevel.Primary);
var beginInfo = new VkCommandBufferBeginInfo();
beginInfo.flags = VkCommandBufferUsageFlags.OneTimeSubmitBit;
commandBuffer.Begin(beginInfo);
return(commandBuffer);
}
public VkResult Begin(VkCommandBufferBeginInfo pBeginInfo)
{
if (m_State == CommandBufferState.Recording)
{
return(VkResult.VK_ERROR_VALIDATION_FAILED_EXT);
}
m_State = CommandBufferState.Recording;
m_Commands.Clear();
m_CmdBeginInfo = pBeginInfo;
return(VkResult.VK_SUCCESS);
}
protected override void buildCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = Initializers.CommandBufferBeginInfo();
FixedArray2 <VkClearValue> clearValues = new FixedArray2 <VkClearValue>();
clearValues.First.color = defaultClearColor;
clearValues.Second.depthStencil = new VkClearDepthStencilValue()
{
depth = 1.0f, stencil = 0
};
VkRenderPassBeginInfo renderPassBeginInfo = Initializers.renderPassBeginInfo();
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;
for (int i = 0; i < DrawCmdBuffers.Count; ++i)
{
// Set target frame buffer
renderPassBeginInfo.framebuffer = Framebuffers[i];
Util.CheckResult(vkBeginCommandBuffer(DrawCmdBuffers[i], &cmdBufInfo));
vkCmdBeginRenderPass(DrawCmdBuffers[i], &renderPassBeginInfo, VkSubpassContents.Inline);
VkViewport viewport = Initializers.viewport((float)Width, (float)Height, 0.0f, 1.0f);
vkCmdSetViewport(DrawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = Initializers.rect2D(Width, Height, 0, 0);
vkCmdSetScissor(DrawCmdBuffers[i], 0, 1, &scissor);
vkCmdBindDescriptorSets(DrawCmdBuffers[i], VkPipelineBindPoint.Graphics, pipelineLayout, 0, 1, ref descriptorSet, 0, null);
vkCmdBindPipeline(DrawCmdBuffers[i], VkPipelineBindPoint.Graphics, wireframe ? pipelines_wireframe : pipelines_solid);
ulong offsets = 0;
// Bind mesh vertex buffer
vkCmdBindVertexBuffers(DrawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, ref model_vertices_buffer, ref offsets);
// 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]);
Util.CheckResult(vkEndCommandBuffer(DrawCmdBuffers[i]));
}
}
/// <inheritdoc />
public override void BeginFrame()
{
var graphicsFence = VulkanGraphicsFence;
graphicsFence.Wait();
graphicsFence.Reset();
var commandBufferBeginInfo = new VkCommandBufferBeginInfo {
sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
};
ThrowExternalExceptionIfNotSuccess(nameof(vkBeginCommandBuffer), vkBeginCommandBuffer(VulkanCommandBuffer, &commandBufferBeginInfo));
}
public void Begin()
{
CheckNotBegun();
if (vkCmd.Handle == NullHandle)
{
return;
}
VkCommandBufferBeginInfo cmdBufInfo = Initializers.commandBufferBeginInfo();
cmdBufInfo.flags = VkCommandBufferUsageFlags.OneTimeSubmit;
Util.CheckResult(vkBeginCommandBuffer(vkCmd, &cmdBufInfo));
begun = true;
}
public void Begin(VkCommandBufferUsageFlags flags, ref CommandBufferInheritanceInfo commandBufferInheritanceInfo)
{
unsafe
{
var cmdBufBeginInfo = new VkCommandBufferBeginInfo
{
sType = VkStructureType.CommandBufferBeginInfo,
flags = flags,
pInheritanceInfo = (VkCommandBufferInheritanceInfo *)Unsafe.AsPointer(ref commandBufferInheritanceInfo.native)
};
VulkanUtil.CheckResult(vkBeginCommandBuffer(commandBuffer, &cmdBufBeginInfo));
}
opened = true;
ClearDescriptorSets();
}
internal VkCommandBufferBeginInfo GetNative(DisposableList <IDisposable> marshalled)
{
VkCommandBufferBeginInfo info = new VkCommandBufferBeginInfo();
info.sType = VkStructureType.CommandBufferBeginInfo;
info.flags = flags;
if (inheritanceInfo != null)
{
var inheritanceInfoMarshalled = new Marshalled <VkCommandBufferInheritanceInfo>(inheritanceInfo.GetNative());
info.pInheritanceInfo = inheritanceInfoMarshalled.Address;
marshalled.Add(inheritanceInfoMarshalled);
}
return(info);
}
public void RecordCommandBuffer(Action <VkCommandBuffer>[] executions)
{
Assert(vkResetCommandBuffer(buffer, VkCommandBufferResetFlags.None));
VkCommandBufferBeginInfo beginInfo = VkCommandBufferBeginInfo.New();
beginInfo.flags = VkCommandBufferUsageFlags.OneTimeSubmit;
Assert(vkBeginCommandBuffer(buffer, &beginInfo));
for (int i = 0; i < executions.Length; i++)
{
executions[i](buffer);
}
Assert(vkEndCommandBuffer(buffer));
}
public void Start(VkCommandBufferUsageFlags usage = 0, RenderPass rp = null, uint subpass = 0, FrameBuffer fb = null,
bool occlusionQueryEnable = false, VkQueryControlFlags queryFlags = 0, VkQueryPipelineStatisticFlags statFlags = 0)
{
VkCommandBufferInheritanceInfo inheri = VkCommandBufferInheritanceInfo.New();
inheri.renderPass = rp == null ? 0 : rp.handle;
inheri.subpass = subpass;
inheri.framebuffer = fb == null ? 0 : fb.handle;
inheri.occlusionQueryEnable = occlusionQueryEnable;
inheri.queryFlags = queryFlags;
inheri.pipelineStatistics = statFlags;
VkCommandBufferBeginInfo cmdBufInfo = new VkCommandBufferBeginInfo(usage);
cmdBufInfo.pInheritanceInfo = inheri.Pin();
Utils.CheckResult(vkBeginCommandBuffer(handle, ref cmdBufInfo));
inheri.Unpin();
}
protected VkCommandBuffer createCommandBuffer(VkCommandBufferLevel level, bool begin)
{
VkCommandBuffer cmdBuffer;
VkCommandBufferAllocateInfo cmdBufAllocateInfo = Initializers.CommandBufferAllocateInfo(cmdPool, level, 1);
Util.CheckResult(vkAllocateCommandBuffers(device, &cmdBufAllocateInfo, out cmdBuffer));
// If requested, also start the new command buffer
if (begin)
{
VkCommandBufferBeginInfo cmdBufInfo = Initializers.commandBufferBeginInfo();
Util.CheckResult(vkBeginCommandBuffer(cmdBuffer, &cmdBufInfo));
}
return(cmdBuffer);
}
void CreateCommandBuffers()
{
if (commandBuffers != null)
{
commandPool.Free(commandBuffers);
}
var info = new VkCommandBufferAllocateInfo();
info.level = VkCommandBufferLevel.Primary;
info.commandBufferCount = swapchainFramebuffers.Count;
commandBuffers = new List <VkCommandBuffer>(commandPool.Allocate(info));
for (int i = 0; i < commandBuffers.Count; i++)
{
var buffer = commandBuffers[i];
var beginInfo = new VkCommandBufferBeginInfo();
beginInfo.flags = VkCommandBufferUsageFlags.SimultaneousUseBit;
buffer.Begin(beginInfo);
var renderPassInfo = new VkRenderPassBeginInfo();
renderPassInfo.renderPass = renderPass;
renderPassInfo.framebuffer = swapchainFramebuffers[i];
renderPassInfo.renderArea.extent = swapchainExtent;
VkClearValue clearColor = new VkClearValue {
color = new VkClearColorValue(0, 0, 0, 1f)
};
renderPassInfo.clearValues = new List <VkClearValue> {
clearColor
};
buffer.BeginRenderPass(renderPassInfo, VkSubpassContents.Inline);
buffer.BindPipeline(VkPipelineBindPoint.Graphics, pipeline);
buffer.BindVertexBuffers(0, new VkBuffer[] { vertexBuffer }, new long[] { 0 });
buffer.BindIndexBuffer(indexBuffer, 0, VkIndexType.UINT32);
buffer.BindDescriptorSets(VkPipelineBindPoint.Graphics, pipelineLayout, 0, new VkDescriptorSet[] { descriptorSet }, null);
buffer.DrawIndexed(indices.Length, 1, 0, 0, 0);
buffer.EndRenderPass();
buffer.End();
}
}
public override void Begin()
{
if (_commandBufferBegun)
{
throw new VeldridException(
"CommandList must be in it's initial state, or End() must have been called, for Begin() to be valid to call.");
}
if (_commandBufferEnded)
{
_commandBufferEnded = false;
vkResetCommandPool(_gd.Device, _pool, VkCommandPoolResetFlags.None);
}
VkCommandBufferBeginInfo beginInfo = VkCommandBufferBeginInfo.New();
vkBeginCommandBuffer(_cb, ref beginInfo);
_commandBufferBegun = true;
}
protected VkCommandBuffer BeginOneTimeCommands()
{
VkCommandBufferAllocateInfo allocInfo = VkCommandBufferAllocateInfo.New();
allocInfo.commandBufferCount = 1;
allocInfo.commandPool = _rc.GraphicsCommandPool;
allocInfo.level = VkCommandBufferLevel.Primary;
vkAllocateCommandBuffers(_device, ref allocInfo, out VkCommandBuffer cb);
VkCommandBufferBeginInfo beginInfo = VkCommandBufferBeginInfo.New();
beginInfo.flags = VkCommandBufferUsageFlags.OneTimeSubmit;
vkBeginCommandBuffer(cb, ref beginInfo);
return(cb);
}
