int GraphicsSubsystem::initGraphicsSubsystem()
{
char *myargv[1];
int myargc = 1;
myargv[0] = _strdup(COPYRIGHT);
glutInit(&myargc, myargv);
glutInitWindowPosition(WIN_POS_X, WIN_POS_Y);
glutInitWindowSize(windowSize.x, windowSize.y);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH | GLUT_RGBA | GLUT_MULTISAMPLE);
glutCreateWindow("Practical Work");
glewExperimental = GL_TRUE;
GLenum err = glewInit();
if (GLEW_OK != err)
{
printf("Errors occurred during glew init\n");
return GSS_ERROR;
}
else if (!GLEW_VERSION_3_3)
{
GLint major = 0, minor = 0;
glGetIntegerv(GL_MAJOR_VERSION, &major);
glGetIntegerv(GL_MINOR_VERSION, &minor);
printf("Application requires OpenGL 3.3; current version is %i.%i\n", major, minor);
return GSS_ERROR;
}
bindingIndexes["matrices"] = 0;
bindingIndexes["light"] = 1;
bindingIndexes["material"] = 2;
const char *textureUnits[] = { "ball", "cloth", "wood", "room", "roomBall" };
loadTextureUnits(textureUnits, sizeof(textureUnits) / sizeof(char*));
loadShaders();
loadUniforms();
loadBuffers();
printf("Loading textures...\n");
loadTexture(TEXTURE_PATH "ball_albedo.png", textures["ball"]);
loadTexture(TEXTURE_PATH "cloth.png", textures["cloth"]);
loadTexture(TEXTURE_PATH "wood.png", textures["wood"]);
#if loadSky == 1
const char *skybox[] = { TEXTURE_PATH "skybox/negx.jpg", TEXTURE_PATH "skybox/posx.jpg",
TEXTURE_PATH "skybox/negy.jpg", TEXTURE_PATH "skybox/posy.jpg",
TEXTURE_PATH "skybox/negz.jpg", TEXTURE_PATH "skybox/posz.jpg" };
const char *skyboxBall[] = { TEXTURE_PATH "skyboxBall/negx.jpg", TEXTURE_PATH "skyboxBall/posx.jpg",
TEXTURE_PATH "skyboxBall/negy.jpg", TEXTURE_PATH "skyboxBall/posy.jpg",
TEXTURE_PATH "skyboxBall/negz.jpg", TEXTURE_PATH "skyboxBall/posz.jpg" };
loadCubemap(skybox, sizeof(skybox) / sizeof(char*), textures["room"]);
loadCubemap(skyboxBall, sizeof(skyboxBall) / sizeof(char*), textures["roomBall"]);
#endif
createDepthBuffer();
createSampler();
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glEnable(GL_MULTISAMPLE);
glHint(GL_MULTISAMPLE_FILTER_HINT_NV, GL_NICEST);
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
glDepthFunc(GL_LEQUAL);
glDepthRange(0.0f, 1.0f);
glEnable(GL_DEPTH_CLAMP);
return 0;
}
void SparseShaderIntrinsicsInstanceSampledBase::recordCommands (const VkCommandBuffer commandBuffer,
const VkImageCreateInfo& imageSparseInfo,
const VkImage imageSparse,
const VkImage imageTexels,
const VkImage imageResidency)
{
const InstanceInterface& instance = m_context.getInstanceInterface();
const DeviceInterface& deviceInterface = getDeviceInterface();
const VkPhysicalDevice physicalDevice = m_context.getPhysicalDevice();
const VkPhysicalDeviceProperties deviceProperties = getPhysicalDeviceProperties(instance, physicalDevice);
if (imageSparseInfo.extent.width > deviceProperties.limits.maxFramebufferWidth ||
imageSparseInfo.extent.height > deviceProperties.limits.maxFramebufferHeight ||
imageSparseInfo.arrayLayers > deviceProperties.limits.maxFramebufferLayers)
{
TCU_THROW(NotSupportedError, "Image size exceeds allowed framebuffer dimensions");
}
// Check if device supports image format for sampled images
if (!checkImageFormatFeatureSupport(instance, physicalDevice, imageSparseInfo.format, VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT))
TCU_THROW(NotSupportedError, "Device does not support image format for sampled images");
// Check if device supports image format for color attachment
if (!checkImageFormatFeatureSupport(instance, physicalDevice, imageSparseInfo.format, VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
TCU_THROW(NotSupportedError, "Device does not support image format for color attachment");
// Make sure device supports VK_FORMAT_R32_UINT format for color attachment
if (!checkImageFormatFeatureSupport(instance, physicalDevice, mapTextureFormat(m_residencyFormat), VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
TCU_THROW(TestError, "Device does not support VK_FORMAT_R32_UINT format for color attachment");
// Create buffer storing vertex data
std::vector<tcu::Vec2> vertexData;
vertexData.push_back(tcu::Vec2(-1.0f,-1.0f));
vertexData.push_back(tcu::Vec2( 0.0f, 0.0f));
vertexData.push_back(tcu::Vec2(-1.0f, 1.0f));
vertexData.push_back(tcu::Vec2( 0.0f, 1.0f));
vertexData.push_back(tcu::Vec2( 1.0f,-1.0f));
vertexData.push_back(tcu::Vec2( 1.0f, 0.0f));
vertexData.push_back(tcu::Vec2( 1.0f, 1.0f));
vertexData.push_back(tcu::Vec2( 1.0f, 1.0f));
const VkDeviceSize vertexDataSizeInBytes = sizeInBytes(vertexData);
const VkBufferCreateInfo vertexBufferCreateInfo = makeBufferCreateInfo(vertexDataSizeInBytes, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT);
m_vertexBuffer = createBuffer(deviceInterface, getDevice(), &vertexBufferCreateInfo);
m_vertexBufferAlloc = bindBuffer(deviceInterface, getDevice(), getAllocator(), *m_vertexBuffer, MemoryRequirement::HostVisible);
deMemcpy(m_vertexBufferAlloc->getHostPtr(), &vertexData[0], static_cast<std::size_t>(vertexDataSizeInBytes));
flushMappedMemoryRange(deviceInterface, getDevice(), m_vertexBufferAlloc->getMemory(), m_vertexBufferAlloc->getOffset(), vertexDataSizeInBytes);
// Create render pass
const VkAttachmentDescription texelsAttachmentDescription =
{
(VkAttachmentDescriptionFlags)0, // VkAttachmentDescriptionFlags flags;
imageSparseInfo.format, // VkFormat format;
VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits samples;
VK_ATTACHMENT_LOAD_OP_CLEAR, // VkAttachmentLoadOp loadOp;
VK_ATTACHMENT_STORE_OP_STORE, // VkAttachmentStoreOp storeOp;
VK_ATTACHMENT_LOAD_OP_DONT_CARE, // VkAttachmentLoadOp stencilLoadOp;
VK_ATTACHMENT_STORE_OP_DONT_CARE, // VkAttachmentStoreOp stencilStoreOp;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout initialLayout;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout finalLayout;
};
const VkAttachmentDescription residencyAttachmentDescription =
{
(VkAttachmentDescriptionFlags)0, // VkAttachmentDescriptionFlags flags;
mapTextureFormat(m_residencyFormat), // VkFormat format;
VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits samples;
VK_ATTACHMENT_LOAD_OP_CLEAR, // VkAttachmentLoadOp loadOp;
VK_ATTACHMENT_STORE_OP_STORE, // VkAttachmentStoreOp storeOp;
VK_ATTACHMENT_LOAD_OP_DONT_CARE, // VkAttachmentLoadOp stencilLoadOp;
VK_ATTACHMENT_STORE_OP_DONT_CARE, // VkAttachmentStoreOp stencilStoreOp;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout initialLayout;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout finalLayout;
};
const VkAttachmentDescription colorAttachmentsDescription[] = { texelsAttachmentDescription, residencyAttachmentDescription };
const VkAttachmentReference texelsAttachmentReference =
{
0u, // deUint32 attachment;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout layout;
};
const VkAttachmentReference residencyAttachmentReference =
{
1u, // deUint32 attachment;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout layout;
};
const VkAttachmentReference colorAttachmentsReference[] = { texelsAttachmentReference, residencyAttachmentReference };
const VkAttachmentReference depthAttachmentReference =
{
VK_ATTACHMENT_UNUSED, // deUint32 attachment;
VK_IMAGE_LAYOUT_UNDEFINED // VkImageLayout layout;
};
const VkSubpassDescription subpassDescription =
{
(VkSubpassDescriptionFlags)0, // VkSubpassDescriptionFlags flags;
VK_PIPELINE_BIND_POINT_GRAPHICS, // VkPipelineBindPoint pipelineBindPoint;
0u, // deUint32 inputAttachmentCount;
DE_NULL, // const VkAttachmentReference* pInputAttachments;
2u, // deUint32 colorAttachmentCount;
colorAttachmentsReference, // const VkAttachmentReference* pColorAttachments;
DE_NULL, // const VkAttachmentReference* pResolveAttachments;
&depthAttachmentReference, // const VkAttachmentReference* pDepthStencilAttachment;
0u, // deUint32 preserveAttachmentCount;
DE_NULL // const deUint32* pPreserveAttachments;
};
const VkRenderPassCreateInfo renderPassInfo =
{
VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
(VkRenderPassCreateFlags)0, // VkRenderPassCreateFlags flags;
2u, // deUint32 attachmentCount;
colorAttachmentsDescription, // const VkAttachmentDescription* pAttachments;
1u, // deUint32 subpassCount;
&subpassDescription, // const VkSubpassDescription* pSubpasses;
0u, // deUint32 dependencyCount;
DE_NULL // const VkSubpassDependency* pDependencies;
};
m_renderPass = createRenderPass(deviceInterface, getDevice(), &renderPassInfo);
// Create descriptor set layout
DescriptorSetLayoutBuilder descriptorLayerBuilder;
descriptorLayerBuilder.addSingleBinding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT);
const Unique<VkDescriptorSetLayout> descriptorSetLayout(descriptorLayerBuilder.build(deviceInterface, getDevice()));
// Create descriptor pool
DescriptorPoolBuilder descriptorPoolBuilder;
descriptorPoolBuilder.addType(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, imageSparseInfo.mipLevels);
descriptorPool = descriptorPoolBuilder.build(deviceInterface, getDevice(), VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT, imageSparseInfo.mipLevels);
// Create sampler object
const tcu::Sampler samplerObject(tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::NEAREST_MIPMAP_NEAREST, tcu::Sampler::NEAREST);
const VkSamplerCreateInfo samplerCreateInfo = mapSampler(samplerObject, m_format);
m_sampler = createSampler(deviceInterface, getDevice(), &samplerCreateInfo);
struct PushConstants
{
deUint32 lod;
deUint32 padding; // padding needed to satisfy std430 rules
float lodWidth;
float lodHeight;
};
// Create pipeline layout
const VkPushConstantRange lodConstantRange =
{
VK_SHADER_STAGE_FRAGMENT_BIT, // VkShaderStageFlags stageFlags;
0u, // deUint32 offset;
sizeof(PushConstants), // deUint32 size;
};
const VkPipelineLayoutCreateInfo pipelineLayoutParams =
{
VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkPipelineLayoutCreateFlags flags;
1u, // deUint32 setLayoutCount;
&descriptorSetLayout.get(), // const VkDescriptorSetLayout* pSetLayouts;
1u, // deUint32 pushConstantRangeCount;
&lodConstantRange, // const VkPushConstantRange* pPushConstantRanges;
};
const Unique<VkPipelineLayout> pipelineLayout(createPipelineLayout(deviceInterface, getDevice(), &pipelineLayoutParams));
// Create graphics pipeline
{
Move<VkShaderModule> vertexModule = createShaderModule(deviceInterface, getDevice(), m_context.getBinaryCollection().get("vertex_shader"), (VkShaderModuleCreateFlags)0);
Move<VkShaderModule> fragmentModule = createShaderModule(deviceInterface, getDevice(), m_context.getBinaryCollection().get("fragment_shader"), (VkShaderModuleCreateFlags)0);
Move<VkShaderModule> geometryModule;
if (imageSparseInfo.arrayLayers > 1u)
{
requireFeatures(instance, physicalDevice, FEATURE_GEOMETRY_SHADER);
geometryModule = createShaderModule(deviceInterface, getDevice(), m_context.getBinaryCollection().get("geometry_shader"), (VkShaderModuleCreateFlags)0);
}
pipelines.push_back(makeVkSharedPtr(makeGraphicsPipeline(
deviceInterface, getDevice(), *pipelineLayout, *m_renderPass, *vertexModule, *fragmentModule, *geometryModule)));
}
const VkPipeline graphicsPipeline = **pipelines[0];
{
const VkImageSubresourceRange fullImageSubresourceRange = makeImageSubresourceRange(VK_IMAGE_ASPECT_COLOR_BIT, 0u, imageSparseInfo.mipLevels, 0u, imageSparseInfo.arrayLayers);
VkImageMemoryBarrier imageShaderAccessBarriers[3];
imageShaderAccessBarriers[0] = makeImageMemoryBarrier
(
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_ACCESS_SHADER_READ_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
imageSparse,
fullImageSubresourceRange
);
imageShaderAccessBarriers[1] = makeImageMemoryBarrier
(
0u,
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
imageTexels,
fullImageSubresourceRange
);
imageShaderAccessBarriers[2] = makeImageMemoryBarrier
(
0u,
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
imageResidency,
fullImageSubresourceRange
);
deviceInterface.cmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0u, 0u, DE_NULL, 0u, DE_NULL, 3u, imageShaderAccessBarriers);
}
imageSparseViews.resize(imageSparseInfo.mipLevels);
imageTexelsViews.resize(imageSparseInfo.mipLevels);
imageResidencyViews.resize(imageSparseInfo.mipLevels);
m_framebuffers.resize(imageSparseInfo.mipLevels);
descriptorSets.resize(imageSparseInfo.mipLevels);
std::vector<VkClearValue> clearValues;
clearValues.push_back(makeClearValueColor(tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f)));
clearValues.push_back(makeClearValueColor(tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f)));
for (deUint32 mipLevelNdx = 0u; mipLevelNdx < imageSparseInfo.mipLevels; ++mipLevelNdx)
{
const vk::VkExtent3D mipLevelSize = mipLevelExtents(imageSparseInfo.extent, mipLevelNdx);
const vk::VkRect2D renderArea = makeRect2D(mipLevelSize);
const VkViewport viewport = makeViewport(mipLevelSize);
const VkImageSubresourceRange mipLevelRange = makeImageSubresourceRange(VK_IMAGE_ASPECT_COLOR_BIT, mipLevelNdx, 1u, 0u, imageSparseInfo.arrayLayers);
// Create color attachments image views
imageTexelsViews[mipLevelNdx] = makeVkSharedPtr(makeImageView(deviceInterface, getDevice(), imageTexels, mapImageViewType(m_imageType), imageSparseInfo.format, mipLevelRange));
imageResidencyViews[mipLevelNdx] = makeVkSharedPtr(makeImageView(deviceInterface, getDevice(), imageResidency, mapImageViewType(m_imageType), mapTextureFormat(m_residencyFormat), mipLevelRange));
const VkImageView attachmentsViews[] = { **imageTexelsViews[mipLevelNdx], **imageResidencyViews[mipLevelNdx] };
// Create framebuffer
const VkFramebufferCreateInfo framebufferInfo =
{
VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
(VkFramebufferCreateFlags)0, // VkFramebufferCreateFlags flags;
*m_renderPass, // VkRenderPass renderPass;
2u, // uint32_t attachmentCount;
attachmentsViews, // const VkImageView* pAttachments;
mipLevelSize.width, // uint32_t width;
mipLevelSize.height, // uint32_t height;
imageSparseInfo.arrayLayers, // uint32_t layers;
};
m_framebuffers[mipLevelNdx] = makeVkSharedPtr(createFramebuffer(deviceInterface, getDevice(), &framebufferInfo));
// Create descriptor set
descriptorSets[mipLevelNdx] = makeVkSharedPtr(makeDescriptorSet(deviceInterface, getDevice(), *descriptorPool, *descriptorSetLayout));
const VkDescriptorSet descriptorSet = **descriptorSets[mipLevelNdx];
// Update descriptor set
const VkImageSubresourceRange sparseImageSubresourceRange = sampledImageRangeToBind(imageSparseInfo, mipLevelNdx);
imageSparseViews[mipLevelNdx] = makeVkSharedPtr(makeImageView(deviceInterface, getDevice(), imageSparse, mapImageViewType(m_imageType), imageSparseInfo.format, sparseImageSubresourceRange));
const VkDescriptorImageInfo imageSparseDescInfo = makeDescriptorImageInfo(*m_sampler, **imageSparseViews[mipLevelNdx], VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
DescriptorSetUpdateBuilder descriptorUpdateBuilder;
descriptorUpdateBuilder.writeSingle(descriptorSet, DescriptorSetUpdateBuilder::Location::binding(BINDING_IMAGE_SPARSE), VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, &imageSparseDescInfo);
descriptorUpdateBuilder.update(deviceInterface, getDevice());
// Begin render pass
beginRenderPass(deviceInterface, commandBuffer, *m_renderPass, **m_framebuffers[mipLevelNdx], renderArea, (deUint32)clearValues.size(), &clearValues[0]);
// Bind graphics pipeline
deviceInterface.cmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, graphicsPipeline);
// Bind descriptor set
deviceInterface.cmdBindDescriptorSets(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, *pipelineLayout, 0u, 1u, &descriptorSet, 0u, DE_NULL);
// Bind vertex buffer
{
const VkDeviceSize offset = 0ull;
deviceInterface.cmdBindVertexBuffers(commandBuffer, 0u, 1u, &m_vertexBuffer.get(), &offset);
}
// Bind Viewport
deviceInterface.cmdSetViewport(commandBuffer, 0u, 1u, &viewport);
// Bind Scissor Rectangle
deviceInterface.cmdSetScissor(commandBuffer, 0u, 1u, &renderArea);
const PushConstants pushConstants =
{
mipLevelNdx,
0u, // padding
static_cast<float>(mipLevelSize.width),
static_cast<float>(mipLevelSize.height)
};
// Update push constants
deviceInterface.cmdPushConstants(commandBuffer, *pipelineLayout, VK_SHADER_STAGE_FRAGMENT_BIT, 0u, sizeof(PushConstants), &pushConstants);
// Draw full screen quad
deviceInterface.cmdDraw(commandBuffer, 4u, 1u, 0u, 0u);
// End render pass
endRenderPass(deviceInterface, commandBuffer);
}
{
const VkImageSubresourceRange fullImageSubresourceRange = makeImageSubresourceRange(VK_IMAGE_ASPECT_COLOR_BIT, 0u, imageSparseInfo.mipLevels, 0u, imageSparseInfo.arrayLayers);
VkImageMemoryBarrier imageOutputTransferSrcBarriers[2];
imageOutputTransferSrcBarriers[0] = makeImageMemoryBarrier
(
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
VK_ACCESS_TRANSFER_READ_BIT,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
imageTexels,
fullImageSubresourceRange
);
imageOutputTransferSrcBarriers[1] = makeImageMemoryBarrier
(
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
VK_ACCESS_TRANSFER_READ_BIT,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
imageResidency,
fullImageSubresourceRange
);
deviceInterface.cmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0u, 0u, DE_NULL, 0u, DE_NULL, 2u, imageOutputTransferSrcBarriers);
}
}