public void Execute(VkCommandBuffer buffer)
{
VkImageMemoryBarrier imageMemoryBarrier = VkImageMemoryBarrier.New();
imageMemoryBarrier.srcAccessMask = VkAccessFlags.None;
imageMemoryBarrier.dstAccessMask = VkAccessFlags.ColorAttachmentRead | VkAccessFlags.ColorAttachmentWrite;
imageMemoryBarrier.oldLayout = VkImageLayout.Undefined;
imageMemoryBarrier.newLayout = VkImageLayout.ColorAttachmentOptimal;
imageMemoryBarrier.srcQueueFamilyIndex = VulkanNative.QueueFamilyIgnored;
imageMemoryBarrier.dstQueueFamilyIndex = VulkanNative.QueueFamilyIgnored;
imageMemoryBarrier.image = swapchainImage;
imageMemoryBarrier.subresourceRange = new VkImageSubresourceRange()
{
baseMipLevel = 0,
levelCount = 1,
baseArrayLayer = 0,
layerCount = 1,
aspectMask = VkImageAspectFlags.Color
};
vkCmdPipelineBarrier(buffer, VkPipelineStageFlags.AllGraphics, VkPipelineStageFlags.AllGraphics, VkDependencyFlags.ByRegion,
0, null, 0, null, 1, &imageMemoryBarrier);
VkClearColorValue clearColorValue = new VkClearColorValue {
float32_0 = 3f / 255f, float32_1 = 2f / 255, float32_2 = 12f / 255, float32_3 = 1
};
VkClearDepthStencilValue clearDepthStencilValue = new VkClearDepthStencilValue(1, 0);
VkClearValue[] clearValues = new VkClearValue[2];
clearValues[0].color = clearColorValue;
clearValues[1].depthStencil = clearDepthStencilValue;
VkRenderPassBeginInfo passBeginInfo = VkRenderPassBeginInfo.New();
passBeginInfo.renderPass = renderPass;
passBeginInfo.framebuffer = swapchainFramebuffer;
passBeginInfo.renderArea.extent.width = (uint)Program.width;
passBeginInfo.renderArea.extent.height = (uint)Program.height;
passBeginInfo.clearValueCount = (uint)clearValues.Length;
fixed(VkClearValue *ptr = clearValues)
passBeginInfo.pClearValues = ptr;
vkCmdBeginRenderPass(buffer, &passBeginInfo, VkSubpassContents.Inline);
VkViewport viewport = new VkViewport();
viewport.x = 0;
viewport.y = (float)Program.height;
viewport.width = (float)Program.width;
viewport.height = -(float)Program.height;
VkRect2D scissor = new VkRect2D();
scissor.offset.x = 0;
scissor.offset.y = 0;
scissor.extent.width = (uint)Program.width;
scissor.extent.height = (uint)Program.height;
vkCmdSetViewport(buffer, 0, 1, &viewport);
vkCmdSetScissor(buffer, 0, 1, &scissor);
vkCmdBindPipeline(buffer, VkPipelineBindPoint.Graphics, pipeline);
if (mesh.IsReady)
{
mesh.Use();
VkBuffer[] databuffers = new VkBuffer[] { mesh.Mesh.vertices.Buffer, mesh.Mesh.vertices.Buffer, mesh.Mesh.vertices.Buffer, mesh.Mesh.vertices.Buffer };
ulong[] offsets = new ulong[] { 0, 3 * 4, 6 * 4, 6 * 4 + 2 * 4 };
fixed(VkBuffer *bptr = databuffers)
fixed(ulong *optr = offsets)
vkCmdBindVertexBuffers(buffer, 0, 4, bptr, optr);
vkCmdBindIndexBuffer(buffer, mesh.Mesh.indices.Buffer, 0, VkIndexType.Uint32);
uniformdata.Write(0, camera.View.ToFloatArray());
uniformdata.Write(16, camera.Projection.ToFloatArray());
UpdateUniformData(uniformdata, swapchainImageIndex);
VkDescriptorSet sets = descriptorSets[swapchainImageIndex];
VkPipelineLayout layout = pipelineLayout;
vkCmdBindDescriptorSets(buffer, VkPipelineBindPoint.Graphics, layout, 0, 1, &sets, 0, null);
vkCmdDrawIndexed(buffer, (uint)mesh.Mesh.indices.Length, 1, 0, 0, 0);
mesh.StopUse();
}
vkCmdEndRenderPass(buffer);
}
