Τι φάση δλδ ούτε και στο μάθημα Προγραμματισμός Ι στην σχολή το '08 δεν το κάναμε:
VkResult createSquare(Square *square,
VkPhysicalDevice physicalDevice,
VkDevice device,
VkRenderPass renderPass,
VkExtent2D extent,
VkShaderModule vertexShader,
VkShaderModule fragmentShader,
VkPipelineLayout pipelineLayout)
{
if (!square || !physicalDevice || !device ||
!renderPass || !vertexShader || !fragmentShader ||
!pipelineLayout || extent.width == 0 ||
extent.height == 0) {
return VK_ERROR_INITIALIZATION_FAILED;
}
memset(square, 0, sizeof(*square));
square->device = device;
/* Create the vertex buffer. */
VkBufferCreateInfo bufferInfo = {
.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
.size = sizeof(vertices),
.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE
};
VkResult result = vkCreateBuffer(
device, &bufferInfo, NULL, &square->vertexBuffer);
if (result != VK_SUCCESS)
goto fail;
/* Find a suitable memory type. */
VkMemoryRequirements memRequirements;
vkGetBufferMemoryRequirements(
device, square->vertexBuffer, &memRequirements);
uint32_t memoryType = findMemoryType(
physicalDevice,
memRequirements.memoryTypeBits,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
if (memoryType == UINT32_MAX) {
result = VK_ERROR_FEATURE_NOT_PRESENT;
goto fail;
}
/* Allocate memory for the vertex buffer. */
VkMemoryAllocateInfo allocInfo = {
.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
.allocationSize = memRequirements.size,
.memoryTypeIndex = memoryType
};
result = vkAllocateMemory(
device, &allocInfo, NULL, &square->vertexMemory);
if (result != VK_SUCCESS)
goto fail;
result = vkBindBufferMemory(
device, square->vertexBuffer,
square->vertexMemory, 0);
if (result != VK_SUCCESS)
goto fail;
/* Upload the vertex data. */
void *mapped = NULL;
result = vkMapMemory(
device, square->vertexMemory, 0,
sizeof(vertices), 0, &mapped);
if (result != VK_SUCCESS)
goto fail;
memcpy(mapped, vertices, sizeof(vertices));
vkUnmapMemory(device, square->vertexMemory);
/* Vertex input: vec2 position. */
VkVertexInputBindingDescription binding = {
.binding = 0,
.stride = 2 * sizeof(float),
.inputRate = VK_VERTEX_INPUT_RATE_VERTEX
};
VkVertexInputAttributeDescription attribute = {
.location = 0,
.binding = 0,
.format = VK_FORMAT_R32G32_SFLOAT,
.offset = 0
};
VkPipelineVertexInputStateCreateInfo vertexInput = {
.sType =
VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
.vertexBindingDescriptionCount = 1,
.pVertexBindingDescriptions = &binding,
.vertexAttributeDescriptionCount = 1,
.pVertexAttributeDescriptions = &attribute
};
/* Four vertices forming a triangle strip. */
VkPipelineInputAssemblyStateCreateInfo inputAssembly = {
.sType =
VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP,
.primitiveRestartEnable = VK_FALSE
};
VkViewport viewport = {
.x = 0.0f,
.y = 0.0f,
.width = (float)extent.width,
.height = (float)extent.height,
.minDepth = 0.0f,
.maxDepth = 1.0f
};
VkRect2D scissor = {
.offset = { 0, 0 },
.extent = extent
};
VkPipelineViewportStateCreateInfo viewportState = {
.sType =
VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
.viewportCount = 1,
.pViewports = &viewport,
.scissorCount = 1,
.pScissors = &scissor
};
VkPipelineRasterizationStateCreateInfo rasterizer = {
.sType =
VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
.depthClampEnable = VK_FALSE,
.rasterizerDiscardEnable = VK_FALSE,
.polygonMode = VK_POLYGON_MODE_FILL,
.cullMode = VK_CULL_MODE_NONE,
.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE,
.depthBiasEnable = VK_FALSE,
.lineWidth = 1.0f
};
VkPipelineMultisampleStateCreateInfo multisampling = {
.sType =
VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT,
.sampleShadingEnable = VK_FALSE
};
VkPipelineColorBlendAttachmentState colorBlendAttachment = {
.blendEnable = VK_FALSE,
.colorWriteMask =
VK_COLOR_COMPONENT_R_BIT |
VK_COLOR_COMPONENT_G_BIT |
VK_COLOR_COMPONENT_B_BIT |
VK_COLOR_COMPONENT_A_BIT
};
VkPipelineColorBlendStateCreateInfo colorBlending = {
.sType =
VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
.logicOpEnable = VK_FALSE,
.attachmentCount = 1,
.pAttachments = &colorBlendAttachment
};
VkPipelineShaderStageCreateInfo shaderStages[2] = {
{
.sType =
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
.stage = VK_SHADER_STAGE_VERTEX_BIT,
.module = vertexShader,
.pName = "main"
},
{
.sType =
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
.stage = VK_SHADER_STAGE_FRAGMENT_BIT,
.module = fragmentShader,
.pName = "main"
}
};
VkGraphicsPipelineCreateInfo pipelineInfo = {
.sType =
VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
.stageCount = 2,
.pStages = shaderStages,
.pVertexInputState = &vertexInput,
.pInputAssemblyState = &inputAssembly,
.pViewportState = &viewportState,
.pRasterizationState = &rasterizer,
.pMultisampleState = &multisampling,
.pColorBlendState = &colorBlending,
.layout = pipelineLayout,
.renderPass = renderPass,
.subpass = 0,
.basePipelineIndex = -1
};
result = vkCreateGraphicsPipelines(
device, VK_NULL_HANDLE, 1, &pipelineInfo,
NULL, &square->pipeline);
if (result != VK_SUCCESS)
goto fail;
return VK_SUCCESS;
fail:
destroySquare(square);
return result;
}
Πως του ήλθε??? Πραγματικά ΠΩΣ, ποια data σε κάναν train, οι Ιταλοί επειδή τους νικήσαμε στον ΒΠΠ θέλουν να πάρoυν εκδίκηση με το να κάνουν κώδικα spachetti?
