redstrate/novus
1
Fork 0
mirror of https://github.com/redstrate/Novus.git synced 2025-06-07 13:47:45 +00:00
Code Activity

More stuff that's needed for directional lighting

Browse source 
It's not working yet as we're missing view positions and the normal
clear color is wrong, but it's getting there. It can display a nice
blobby plane with the light color right now.
This commit is contained in:
Joshua Goins 2024-04-21 13:04:25 -04:00
parent 7f1c167251
commit ed9d6e62b8
2 changed files with 139 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

32
renderer/include/rendersystem.h
View file

@ -84,7 +84,7 @@ private:
// Structure definitions from https://github.com/Shaderlayan/Ouroboros
struct CameraParameter {
glm::mat3x4 m_ViewMatrix;
glm::mat3x4 m_ViewMatrix; // TODO: does it need alignment?
glm::mat3x4 m_InverseViewMatrix;
glm::mat4 m_InverseViewProjectionMatrix;
glm::mat4 m_InverseProjectionMatrix;
@ -132,12 +132,40 @@ private:
UniformBuffer g_ModelParameter;
struct MaterialParameter {
glm::vec3 g_DiffuseColor;
glm::vec3 g_DiffuseColor; // TODO: align to vec4
float g_AlphaThreshold;
};
UniformBuffer g_MaterialParameter;
struct CommonParameter {
glm::vec4 m_RenderTarget;
glm::vec4 m_Viewport;
glm::vec4 m_Misc;
glm::vec4 m_Misc2;
};
UniformBuffer g_CommonParameter;
struct LightParam {
glm::vec4 m_Position;
glm::vec4 m_Direction;
glm::vec4 m_DiffuseColor;
glm::vec4 m_SpecularColor;
glm::vec4 m_Attenuation;
/*glm::vec4 m_ClipMin;
glm::vec3 m_ClipMax;
glm::vec3 m_FadeScale;
glm::vec4 m_ShadowTexMask;
glm::vec4 m_PlaneRayDirection;
glm::mat3x4 m_PlaneInversMatrix;
glm::mat3x4 m_WorldViewInversMatrix;
glm::mat4 m_LightMapMatrix;
glm::mat4 m_WorldViewProjectionMatrix;*/
};
UniformBuffer g_LightParam;
VkBuffer m_planeVertexBuffer;
VkDeviceMemory m_planeVertexMemory;

129
renderer/src/rendersystem.cpp
View file

@ -18,13 +18,13 @@
// TODO: maybe need UV?
const std::vector<glm::vec4> planeVertices = {
{-0.5f, -0.5f, 0.0f, 0.0f},
{0.5f, -0.5f, 0.0f, 0.0f},
{0.5f, 0.5f, 0.0f, 0.0f},
{-1.0f, -1.0f, 0.0f, 1.0f},
{1.0f, -1.0f, 0.0f, 1.0f},
{1.0f, 1.0f, 0.0f, 1.0f},
{-0.5f, 0.5f, 0.0f, 0.0f},
{-0.5f, -0.5f, 0.0f, 0.0f},
{0.5f, 0.5f, 0.0f, 0.0f},
{-1.0f, 1.0f, 0.0f, 1.0f},
{-1.0f, -1.0f, 0.0f, 1.0f},
{1.0f, 1.0f, 0.0f, 1.0f},
};
dxvk::Logger dxvk::Logger::s_instance("dxbc.log");
@ -32,8 +32,9 @@ dxvk::Logger dxvk::Logger::s_instance("dxbc.log");
const std::array<std::string, 14> passes = {
// Shadows?
"PASS_0",
// Z "prepass"
"PASS_Z_OPAQUE",
// Z "Prepass", normals + depth (or is this maybe G_OPAQUE?
// computes and stores normals (TODO: denote how these normals are special)
"PASS_G_OPAQUE",
// g run for each light
// takes view pos, then unknown texture and normal
@ -121,6 +122,32 @@ RenderSystem::RenderSystem(Renderer &renderer, GameData *data)
materialParameter.g_DiffuseColor = glm::vec3(1.0f);
copyDataToUniform(g_MaterialParameter, &materialParameter, sizeof(MaterialParameter));
}
// light data
{
g_LightParam = createUniformBuffer(sizeof(LightParam));
LightParam lightParam{};
lightParam.m_Position = glm::vec4(5);
lightParam.m_Direction = glm::normalize(glm::vec4(0) - lightParam.m_Position);
lightParam.m_DiffuseColor = glm::vec4(1);
lightParam.m_SpecularColor = glm::vec4(1);
lightParam.m_Attenuation = glm::vec4(5.0f);
/*lightParam.m_ClipMin = glm::vec4(0.0f);
lightParam.m_ClipMax = glm::vec4(5.0f);*/
copyDataToUniform(g_LightParam, &lightParam, sizeof(LightParam));
}
// common data
{
g_CommonParameter = createUniformBuffer(sizeof(CommonParameter));
CommonParameter commonParam{};
commonParam.m_RenderTarget = {640.0f, 480.0f, 0.0f, 0.0f}; // used to convert screen-space coordinates back into 0.0-1.0
copyDataToUniform(g_CommonParameter, &commonParam, sizeof(CommonParameter));
}
}
void RenderSystem::testInit(::RenderModel *m)
@ -156,7 +183,7 @@ void RenderSystem::render(uint32_t imageIndex, VkCommandBuffer commandBuffer)
beginPass(imageIndex, commandBuffer, pass);
// hardcoded to the known pass for now
if (pass == "PASS_G_OPAQUE") {
if (pass == "PASS_G_OPAQUE" || pass == "PASS_Z_OPAQUE") {
for (auto &model : m_renderModels) {
std::vector<uint32_t> systemKeys;
std::vector<uint32_t> sceneKeys = {
@ -276,7 +303,7 @@ void RenderSystem::setSize(uint32_t width, uint32_t height)
void RenderSystem::beginPass(uint32_t imageIndex, VkCommandBuffer commandBuffer, const std::string_view passName)
{
if (passName != "PASS_G_OPAQUE" && passName != "PASS_LIGHTING_OPAQUE") {
if (passName != "PASS_G_OPAQUE" && passName != "PASS_LIGHTING_OPAQUE" && passName != "PASS_Z_OPAQUE") {
return;
}
@ -363,8 +390,33 @@ void RenderSystem::beginPass(uint32_t imageIndex, VkCommandBuffer commandBuffer,
colorAttachments.push_back(attachmentInfo);
}
} else {
// qWarning() << "Unimplemented pass" << passName;
} else if (passName == "PASS_Z_OPAQUE") {
// normals, it seems like
{
VkRenderingAttachmentInfo attachmentInfo{VK_STRUCTURE_TYPE_RENDERING_ATTACHMENT_INFO};
attachmentInfo.imageView = m_renderer.swapchainViews[imageIndex];
attachmentInfo.imageLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; // VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL
attachmentInfo.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
attachmentInfo.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachmentInfo.clearValue.color.float32[0] = 0.24;
attachmentInfo.clearValue.color.float32[1] = 0.24;
attachmentInfo.clearValue.color.float32[2] = 0.24;
attachmentInfo.clearValue.color.float32[3] = 1.0;
colorAttachments.push_back(attachmentInfo);
}
// unknown
{
VkRenderingAttachmentInfo attachmentInfo{VK_STRUCTURE_TYPE_RENDERING_ATTACHMENT_INFO};
attachmentInfo.imageView = VK_NULL_HANDLE;
attachmentInfo.imageLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
attachmentInfo.loadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
attachmentInfo.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
colorAttachments.push_back(attachmentInfo);
}
}
renderingInfo.layerCount = 1;
@ -380,7 +432,7 @@ void RenderSystem::beginPass(uint32_t imageIndex, VkCommandBuffer commandBuffer,
void RenderSystem::endPass(VkCommandBuffer commandBuffer, std::string_view passName)
{
if (passName != "PASS_G_OPAQUE" && passName != "PASS_LIGHTING_OPAQUE") {
if (passName != "PASS_G_OPAQUE" && passName != "PASS_LIGHTING_OPAQUE" && passName != "PASS_Z_OPAQUE") {
return;
}
vkCmdEndRendering(commandBuffer);
@ -410,7 +462,7 @@ void RenderSystem::bindPipeline(VkCommandBuffer commandBuffer, std::string_view
VkVertexInputBindingDescription binding = {};
// TODO: temporary
if (passName == "PASS_G_OPAQUE") {
if (passName == "PASS_G_OPAQUE" || passName == "PASS_Z_OPAQUE") {
binding.stride = sizeof(Vertex);
} else if (passName == "PASS_LIGHTING_OPAQUE") {
binding.stride = sizeof(glm::vec4);
@ -589,7 +641,7 @@ void RenderSystem::bindPipeline(VkCommandBuffer commandBuffer, std::string_view
VkPipelineRasterizationStateCreateInfo rasterizer = {};
rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
rasterizer.lineWidth = 1.0f;
rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;
rasterizer.cullMode = VK_CULL_MODE_NONE; // TODO: implement cull mode
rasterizer.frontFace = VK_FRONT_FACE_CLOCKWISE;
VkPipelineMultisampleStateCreateInfo multisampling = {};
@ -798,8 +850,17 @@ VkDescriptorSet RenderSystem::createDescriptorFor(const CachedPipeline &pipeline
int j = 0;
int z = 0;
int p = 0;
VkShaderStageFlags currentStageFlags;
for (auto binding : pipeline.requestedSets[i].bindings) {
if (binding.used) {
// a giant hack
if (currentStageFlags != binding.stageFlags) {
z = 0;
p = 0;
currentStageFlags = binding.stageFlags;
}
VkWriteDescriptorSet &descriptorWrite = writes.emplace_back();
descriptorWrite.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
descriptorWrite.descriptorType = binding.type;
@ -812,7 +873,23 @@ VkDescriptorSet RenderSystem::createDescriptorFor(const CachedPipeline &pipeline
auto info = &imageInfo.emplace_back();
descriptorWrite.pImageInfo = info;
info->imageView = m_renderer.dummyView;
if (binding.stageFlags == VK_SHADER_STAGE_FRAGMENT_BIT && p < 4) {
auto name = pipeline.pixelShader.resource_parameters[p].name;
qInfo() << "Requesting image" << name << "at" << j;
if (strcmp(name, "g_SamplerGBuffer") == 0) {
info->imageView = normalGBuffer.imageView;
} else if (strcmp(name, "g_SamplerViewPosition") == 0) {
// FIXME: hack because i don't know what samplerviewposition is yet
info->imageView = normalGBuffer.imageView;
} else {
info->imageView = m_renderer.dummyView;
}
p++;
} else {
info->imageView = m_renderer.dummyView;
}
info->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
} break;
case VK_DESCRIPTOR_TYPE_SAMPLER: {
@ -830,8 +907,7 @@ VkDescriptorSet RenderSystem::createDescriptorFor(const CachedPipeline &pipeline
info->range = buffer.size;
};
if (binding.stageFlags == VK_SHADER_STAGE_VERTEX_BIT && z < 4) {
auto name = pipeline.vertexShader.scalar_parameters[z].name;
auto bindBuffer = [this, &useUniformBuffer, &info, j](const char *name) {
qInfo() << "Requesting" << name << "at" << j;
if (strcmp(name, "g_CameraParameter") == 0) {
@ -842,16 +918,29 @@ VkDescriptorSet RenderSystem::createDescriptorFor(const CachedPipeline &pipeline
useUniformBuffer(g_InstanceParameter);
} else if (strcmp(name, "g_ModelParameter") == 0) {
useUniformBuffer(g_ModelParameter);
} else if (strcmp(name, "g_MaterialParameter") == 0) {
useUniformBuffer(g_MaterialParameter);
} else if (strcmp(name, "g_LightParam") == 0) {
useUniformBuffer(g_LightParam);
} else if (strcmp(name, "g_CommonParameter") == 0) {
useUniformBuffer(g_CommonParameter);
} else {
qInfo() << "Unknown resource:" << name;
info->buffer = m_renderer.dummyBuffer;
info->range = 655360;
}
};
if (binding.stageFlags == VK_SHADER_STAGE_VERTEX_BIT) {
auto name = pipeline.vertexShader.scalar_parameters[z].name;
bindBuffer(name);
z++;
} else if (binding.stageFlags == VK_SHADER_STAGE_FRAGMENT_BIT) {
auto name = pipeline.pixelShader.scalar_parameters[z].name;
bindBuffer(name);
z++;
} else if (binding.stageFlags == VK_SHADER_STAGE_FRAGMENT_BIT && j == 0) {
// TODO: temporary hack
useUniformBuffer(g_MaterialParameter);
} else {
// placeholder buffer so it at least doesn't crash
info->buffer = m_renderer.dummyBuffer;