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kotofyt
2025-05-25 23:37:40 +03:00
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engine/vk_brush.cpp Normal file
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#include "filesystem.h"
#include "rendering.h"
#include "tier1/utlvector.h"
#include "vk_helper.h"
#include "vulkan/vulkan_core.h"
extern VkSampler g_invalidTextureSampler;
abstract_class CBrush: public IBrush
{
public:
void SetPosition( vec3 position ) override;
void SetRotationEuler( vec3 angle ) override;
void SetRotationQuat( vec4 quaternion) override;
void SetMatrix( mat3 matrix ) override;
void SetScale( vec3 scale ) override;
void SetVertexBuffer( IVertexBuffer *pBuffer ) override;
void SetIndexBuffer( IIndexBuffer *pBuffer ) override;
void Draw() override;
IMaterial *m_pMaterial = NULL;
CVertexBuffer *m_pVertexBuffer = NULL;
CIndexBuffer *m_pIndexBuffer = NULL;
};
void CBrush::SetPosition( vec3 position )
{
}
void CBrush::SetRotationEuler( vec3 angle )
{
}
void CBrush::SetRotationQuat( vec4 quaternion)
{
}
void CBrush::SetMatrix( mat3 matrix )
{
}
void CBrush::SetScale( vec3 scale )
{
}
void CBrush::SetVertexBuffer( IVertexBuffer *pBuffer )
{
m_pVertexBuffer = (CVertexBuffer*)pBuffer;
}
void CBrush::SetIndexBuffer( IIndexBuffer *pBuffer )
{
m_pIndexBuffer = (CIndexBuffer*)pBuffer;
}
CUtlVector<CBrush> g_drawnMeshes;
IMaterial *g_pDefaultMaterial;
IMaterial *g_pCurrentMaterial;
void CBrush::Draw()
{
g_drawnMeshes.AppendTail(*this);
}
abstract_class CMaterial: public IMaterial
{
};
extern CUtlVector<ITexture*> g_textures;
vk_tripipeline_t g_brushPipeline = {};
vk_image2d_t meshdepth;
vk_image2d_t meshcolor;
extern bool g_bConfigNotify;
VkDescriptorPool g_brushDescriptorPool;
VkDescriptorSet g_brushDescriptorSet;
vk_buffer_t g_brushProjection;
struct MeshProjection {
mat4 projection;
} *g_brushProject;
VkSampler g_brushSampler;
void IBrushRenderer::Init()
{
CUtlVector<vk_shader_t> shaders(2);
for (auto &shader: shaders)
{
shader.m_shaderModule = NULL;
}
shaders[0].Create("gfx/brush_vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shaders[1].Create("gfx/brush_frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
CUtlVector<VkDescriptorSetLayoutBinding> bindings(2);
bindings[0] = {};
bindings[0].binding = 0;
bindings[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT;
bindings[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
bindings[0].descriptorCount = 1;
bindings[1] = {};
bindings[1].binding = 1;
bindings[1].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT;
bindings[1].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
bindings[1].descriptorCount = 1024;
g_brushPipeline.Create(shaders, bindings, 4);
shaders[1].Destroy();
shaders[0].Destroy();
meshdepth.Create(1280, 720, VK_FORMAT_D32_SFLOAT, VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT);
meshcolor.Create(1280, 720, VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT);
CUtlVector<VkDescriptorPoolSize> pools;
for (auto &binding: bindings)
{
VkDescriptorPoolSize dps = {};
dps.type = binding.descriptorType;
dps.descriptorCount = binding.descriptorCount;
pools.AppendTail(dps);
}
VkDescriptorPoolCreateInfo poolInfo = {};
poolInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
poolInfo.poolSizeCount = pools.GetSize();
poolInfo.pPoolSizes = pools.GetData();
poolInfo.maxSets = 1;
vkCreateDescriptorPool(g_vkDevice, &poolInfo, NULL, &g_brushDescriptorPool);
VkDescriptorSetAllocateInfo allocInfo = {};
allocInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
allocInfo.descriptorPool = g_brushDescriptorPool;
allocInfo.descriptorSetCount = 1;
allocInfo.pSetLayouts = &g_brushPipeline.m_descriptorSetLayout;
vkAllocateDescriptorSets(g_vkDevice, &allocInfo, &g_brushDescriptorSet);
g_brushProjection.Create(64, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT);
g_brushProject = (MeshProjection*)g_brushProjection.Map(0, 64);
VkPhysicalDeviceProperties properties{};
vkGetPhysicalDeviceProperties(g_vkPhysicalDevice, &properties);
VkSamplerCreateInfo samplerInfo{};
samplerInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
samplerInfo.magFilter = VK_FILTER_LINEAR;
samplerInfo.minFilter = VK_FILTER_LINEAR;
samplerInfo.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT;
samplerInfo.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT;
samplerInfo.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT;
samplerInfo.anisotropyEnable = VK_FALSE;
samplerInfo.maxAnisotropy = properties.limits.maxSamplerAnisotropy;
samplerInfo.borderColor = VK_BORDER_COLOR_INT_OPAQUE_BLACK;
samplerInfo.unnormalizedCoordinates = VK_FALSE;
samplerInfo.compareEnable = VK_FALSE;
samplerInfo.compareOp = VK_COMPARE_OP_ALWAYS;
samplerInfo.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
samplerInfo.mipLodBias = 0.0f;
samplerInfo.minLod = 0.0f;
samplerInfo.maxLod = 0.0f;
vkCreateSampler(g_vkDevice, &samplerInfo, nullptr, &g_brushSampler);
}
void IBrushRenderer::Frame( float fDelta )
{
glm_mat4_identity(g_brushProject->projection);
glm_perspective(glm_rad(90),(float)g_nWindowWidth/g_nWindowHeight, 0.01, 100, g_brushProject->projection);
glm_rotate(g_brushProject->projection, glm_rad(90), (vec4){1,0,0,0});
glm_scale(g_brushProject->projection, (vec4){1,-1,1,1});
if (g_bConfigNotify)
{
meshdepth.Destroy();
meshdepth.Create(g_nWindowWidth, g_nWindowHeight, VK_FORMAT_D32_SFLOAT, VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT);
}
CUtlVector<VkWriteDescriptorSet> writes(2);
for (auto &write: writes)
{
write = {};
write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
write.dstSet = g_brushDescriptorSet;
write.dstArrayElement = 0;
}
VkDescriptorBufferInfo bufferInfo = {};
bufferInfo.buffer = g_brushProjection.m_buffer;
bufferInfo.offset = 0;
bufferInfo.range = g_brushProjection.m_nSize;
writes[0].dstBinding = 0;
writes[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
writes[0].descriptorCount = 1;
writes[0].pBufferInfo = &bufferInfo;
CUtlVector<VkDescriptorImageInfo> textures;
textures.Reserve(g_textures.GetSize());
for (ITexture *t: g_textures)
{
CTexture *texture = (CTexture*)t;
VkDescriptorImageInfo image = {};
image.imageLayout = VK_IMAGE_LAYOUT_GENERAL;
image.imageView = texture->image.m_imageView;
image.sampler = g_brushSampler;
textures.AppendTail(image);
};
textures[0].sampler = g_invalidTextureSampler;
writes[1].dstBinding = 1;
writes[1].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
writes[1].descriptorCount = textures.GetSize();
writes[1].pImageInfo = textures.GetData();
vkUpdateDescriptorSets(g_vkDevice, writes.GetSize(), writes.GetData(), 0, NULL);
VkImageMemoryBarrier barrier = {
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.srcAccessMask = 0,
.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED,
.newLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
.image = g_swapchainImage,
.subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1}
};
vkCmdPipelineBarrier(g_vkCommandBuffer,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
0, 0, NULL, 0, NULL, 1, &barrier);
VkRenderingAttachmentInfo colorAttachment = {
.sType = VK_STRUCTURE_TYPE_RENDERING_ATTACHMENT_INFO,
.imageView = g_swapchainImageView,
.imageLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
.storeOp = VK_ATTACHMENT_STORE_OP_STORE,
.clearValue = {.color = {0.0f, 0.0f, 0.0f, 1.0f}}
};
VkRenderingAttachmentInfo depthAttachment = {
.sType = VK_STRUCTURE_TYPE_RENDERING_ATTACHMENT_INFO,
.imageView = meshdepth.m_imageView,
.imageLayout = VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_OPTIMAL,
.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
.storeOp = VK_ATTACHMENT_STORE_OP_STORE,
.clearValue = {.depthStencil = {.depth = 1}},
};
VkRenderingInfo renderInfo = {
.sType = VK_STRUCTURE_TYPE_RENDERING_INFO,
.renderArea = {{0, 0}, {g_nWindowWidth, g_nWindowHeight}},
.layerCount = 1,
.colorAttachmentCount = 1,
.pColorAttachments = &colorAttachment,
.pDepthAttachment = &depthAttachment,
};
vkCmdBeginRendering(g_vkCommandBuffer, &renderInfo);
vkCmdSetRasterizerDiscardEnable(g_vkCommandBuffer, VK_FALSE);
vkCmdSetDepthBiasEnable(g_vkCommandBuffer, VK_FALSE);
_vkCmdSetPolygonModeEXT(g_vkCommandBuffer, VK_POLYGON_MODE_FILL);
vkCmdSetCullMode(g_vkCommandBuffer, VK_CULL_MODE_BACK_BIT);
vkCmdSetFrontFace(g_vkCommandBuffer, VK_FRONT_FACE_COUNTER_CLOCKWISE);
vkCmdSetDepthTestEnable(g_vkCommandBuffer, VK_TRUE);
vkCmdSetDepthWriteEnable(g_vkCommandBuffer, VK_TRUE);
vkCmdSetDepthCompareOp(g_vkCommandBuffer, VK_COMPARE_OP_LESS);
vkCmdSetStencilTestEnable(g_vkCommandBuffer, VK_FALSE);
_vkCmdSetRasterizationSamplesEXT(g_vkCommandBuffer, VK_SAMPLE_COUNT_1_BIT);
VkSampleMask sampleMask = 0xFFFFFFFF;
_vkCmdSetSampleMaskEXT(g_vkCommandBuffer, VK_SAMPLE_COUNT_1_BIT, &sampleMask);
_vkCmdSetAlphaToCoverageEnableEXT(g_vkCommandBuffer, VK_FALSE);
VkViewport viewport = {0, 0, (float)g_nWindowWidth, (float)g_nWindowHeight, 0.0f, 1.0f};
VkRect2D scissor = {{0, 0}, {g_nWindowWidth, g_nWindowHeight}};
vkCmdSetViewportWithCount(g_vkCommandBuffer, 1, &viewport);
vkCmdSetScissorWithCount(g_vkCommandBuffer, 1, &scissor);
vkCmdSetPrimitiveTopology(g_vkCommandBuffer, VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST);
vkCmdSetPrimitiveRestartEnable(g_vkCommandBuffer, VK_FALSE);
VkVertexInputBindingDescription2EXT binding = {
.sType = VK_STRUCTURE_TYPE_VERTEX_INPUT_BINDING_DESCRIPTION_2_EXT,
.binding = 0,
.stride = 20,
.inputRate = VK_VERTEX_INPUT_RATE_VERTEX,
.divisor = 1,
};
VkVertexInputAttributeDescription2EXT attributes[2] = {
{
VK_STRUCTURE_TYPE_VERTEX_INPUT_ATTRIBUTE_DESCRIPTION_2_EXT,
NULL,
0, 0,
VK_FORMAT_R32G32B32_SFLOAT,
0
},
{
VK_STRUCTURE_TYPE_VERTEX_INPUT_ATTRIBUTE_DESCRIPTION_2_EXT,
NULL,
1, 0,
VK_FORMAT_R32G32_SFLOAT,
12
}
};
_vkCmdSetVertexInputEXT(g_vkCommandBuffer, 1, &binding, 2, attributes);
VkBool32 blendEnable = VK_FALSE;
VkColorBlendEquationEXT blendEquation = {
VK_BLEND_FACTOR_SRC_ALPHA, VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA, VK_BLEND_OP_ADD,
VK_BLEND_FACTOR_ONE, VK_BLEND_FACTOR_ZERO, VK_BLEND_OP_ADD
};
VkColorComponentFlags writeMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT |
VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
_vkCmdSetColorBlendEnableEXT(g_vkCommandBuffer, 0, 1, &blendEnable);
_vkCmdSetColorBlendEquationEXT(g_vkCommandBuffer, 0, 1, &blendEquation);
_vkCmdSetColorWriteMaskEXT(g_vkCommandBuffer, 0, 1, &writeMask);
vkCmdBindPipeline(g_vkCommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_brushPipeline.m_pipeline);
vkCmdBindDescriptorSets(g_vkCommandBuffer,VK_PIPELINE_BIND_POINT_GRAPHICS, g_brushPipeline.m_layout, 0, 1, &g_brushDescriptorSet, 0, NULL);
for (auto &mesh: g_drawnMeshes)
{
VkDeviceSize offset = 0;
uint32_t textureID = 0;
if (g_pCurrentMaterial == 0)
textureID = 0;
else
textureID = ((CMaterial*)g_pCurrentMaterial)->m.albedo;
vkCmdPushConstants(g_vkCommandBuffer, g_brushPipeline.m_layout, VK_SHADER_STAGE_ALL, 0, 4, &textureID);
vkCmdBindVertexBuffers(g_vkCommandBuffer, 0, 1, &mesh.m_pVertexBuffer->m_buffer.m_buffer, &offset);
if (mesh.m_pIndexBuffer)
{
vkCmdBindIndexBuffer(
g_vkCommandBuffer,
mesh.m_pIndexBuffer->m_buffer.m_buffer,
0,
VK_INDEX_TYPE_UINT32
);
vkCmdDrawIndexed(g_vkCommandBuffer, mesh.m_pIndexBuffer->m_buffer.m_nSize/4, 1, 0, 0, 0);
}
else
{
vkCmdDraw(g_vkCommandBuffer, mesh.m_pVertexBuffer->m_buffer.m_nSize/12,1,0,0);
}
}
vkCmdEndRendering(g_vkCommandBuffer);
barrier = {
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
.dstAccessMask = 0,
.oldLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
.image = g_swapchainImage,
.subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1}
};
vkCmdPipelineBarrier(g_vkCommandBuffer,
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT,
0, 0, NULL, 0, NULL, 1, &barrier);
g_drawnMeshes = CUtlVector<CBrush>();
}
IVertexBuffer *IBrushRenderer::CreateVertexBuffer( uint32_t uSize )
{
CVertexBuffer *pBuffer = new CVertexBuffer();
pBuffer->m_buffer.Create(uSize, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_STORAGE_BUFFER_BIT);
return pBuffer;
}
IIndexBuffer *IBrushRenderer::CreateIndexBuffer( uint32_t uSize )
{
CIndexBuffer *pBuffer = new CIndexBuffer();
pBuffer->m_buffer.Create(uSize, VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_STORAGE_BUFFER_BIT);
return pBuffer;
}
IBrush *IBrushRenderer::CreateMesh()
{
CBrush *mesh = new CBrush;
return mesh;
}
void IBrushRenderer::Destroy( IBrush *pModel )
{
}
IMaterial *IBrushRenderer::LoadMaterial( const char *szMaterial )
{
FileHandle_t file = IFileSystem::Open(szMaterial, IFILE_READ);
CMaterial *pMaterial = new CMaterial;
if (!file)
{
return g_pDefaultMaterial;
}
IFileSystem::Close(file);
}
void IBrushRenderer::SetMaterial( IMaterial *pMaterial )
{
g_pCurrentMaterial = pMaterial;
}