Refactor CodeStyle of NuakeUI Renderer
This commit is contained in:
antopilo
@@ -1,207 +1,210 @@
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#include "Renderer.h"
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#include "src/Core/Maths.h"
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#include "src/Rendering/Buffers/VertexBufferLayout.h"
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#include "Font/Font.h"
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#include "Font/FontManager.h"
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#include "FileSystem.h"
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#include "src/FileSystem/FileSystem.h"
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#include "src/Rendering/Buffers/VertexBufferLayout.h"
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#include "src/Rendering/Shaders/ShaderManager.h"
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#include "src/Rendering/Vertex.h"
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#include <glad/glad.h>
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#include <src/Rendering/Shaders/ShaderManager.h>
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namespace NuakeUI
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using namespace NuakeUI;
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std::shared_ptr<Font> Renderer::mDefaultFont;
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float Renderer::subpixelAmount = 1.3333f ;
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float Renderer::curveTolerance = 1.0f;
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float Renderer::subpixelThreshold = 0.5f;
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Renderer::Renderer()
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{
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struct Vertex
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ReloadShaders();
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mDefaultFont = FontManager::Get().GetFont("SourceSansPro-Regular.ttf");
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struct Vertex
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{
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Vector3 Position;
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Vector2 UV;
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};
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std::shared_ptr<Font> Renderer::mDefaultFont;
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float Renderer::subpixelAmount = 1.3333f ;
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float Renderer::curveTolerance = 1.0f;
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float Renderer::subpixelThreshold = 0.5f;
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const std::vector<Vertex> vertices = {
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{ { 1.f, 1.f, 0.f }, {1.f, 0.f} },
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{ { 1.f, 0.f, 0.f }, {1.f, 1.f} },
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{ { 0.f, 1.f, 0.f }, {0.f, 0.f} },
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{ { 1.f, 0.f, 0.f }, {1.f, 1.f} },
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{ { 0.f, 0.f, 0.f }, {0.f, 1.f} },
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{ { 0.f, 1.f, 0.f }, {0.f, 0.f} },
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};
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Renderer::Renderer()
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{
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ReloadShaders();
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mDefaultFont = FontManager::Get().GetFont("SourceSansPro-Regular.ttf");
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const std::vector<Vertex> vertices = {
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{ { 1.f, 1.f, 0.f }, {1.f, 0.f} },
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{ { 1.f, 0.f, 0.f }, {1.f, 1.f} },
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{ { 0.f, 1.f, 0.f }, {0.f, 0.f} },
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{ { 1.f, 0.f, 0.f }, {1.f, 1.f} },
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{ { 0.f, 0.f, 0.f }, {0.f, 1.f} },
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{ { 0.f, 1.f, 0.f }, {0.f, 0.f} },
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};
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mVertexArray = std::make_shared<VertexArray>();
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mVertexArray->Bind();
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mVertexBuffer = std::make_shared<VertexBuffer>(vertices.data(), (unsigned int)(vertices.size() * sizeof(Vertex)));
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mVertexArray = std::make_shared<VertexArray>();
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mVertexArray->Bind();
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mVertexBuffer = std::make_shared<VertexBuffer>(vertices.data(), (unsigned int)(vertices.size() * sizeof(Vertex)));
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auto vbl = VertexBufferLayout();
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vbl.Push<float>(3); // Position
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vbl.Push<float>(2); // UV
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auto vbl = VertexBufferLayout();
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vbl.Push<float>(3); // Position
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vbl.Push<float>(2); // UV
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mVertexArray->AddBuffer(*mVertexBuffer, vbl);
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mVertexArray->Unbind();
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}
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mVertexArray->AddBuffer(*mVertexBuffer, vbl);
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mVertexArray->Unbind();
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}
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void Renderer::ReloadShaders()
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{
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mShader = ShaderManager::GetShader("Resources/Shaders/ui_panel.shader");
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mSDFShader = ShaderManager::GetShader("Resources/Shaders/ui_text.shader");
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}
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void Renderer::ReloadShaders()
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{
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mShader = ShaderManager::GetShader("Resources/Shaders/ui_panel.shader");
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mSDFShader = ShaderManager::GetShader("Resources/Shaders/ui_text.shader");
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}
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void Renderer::SetViewportSize(const Vector2& size)
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{
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mSize = size;
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mView = glm::ortho(0.f, size.x, size.y, 0.f, -100.f, 100.0f);
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}
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void Renderer::SetViewportSize(const Vector2& size)
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{
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mSize = size;
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mView = glm::ortho(0.f, size.x, size.y, 0.f, -100.f, 100.0f);
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}
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void Renderer::BeginDraw()
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{
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int viewportW = (int)mSize.x;
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int viewportH = (int)mSize.y;
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glViewport(0, 0, viewportW, viewportH);
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}
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void Renderer::BeginDraw()
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{
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int viewportW = (int)mSize.x;
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int viewportH = (int)mSize.y;
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glViewport(0, 0, viewportW, viewportH);
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}
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void Renderer::DrawNode(std::shared_ptr<Node> node, int z)
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{
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glDisable(GL_DEPTH_TEST);
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void Renderer::DrawNode(std::shared_ptr<Node> node, int z)
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{
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glDisable(GL_DEPTH_TEST);
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float parentScroll = 0.f;
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float parentPaddingRight = 0.f;
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if (node->Parent)
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{
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parentScroll = node->Parent->ScrollDelta;
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}
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const YGNodeRef yogaNode = node->GetYogaNode();
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const float width = YGNodeLayoutGetWidth(yogaNode) - parentPaddingRight;
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const float height = YGNodeLayoutGetHeight(yogaNode);
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const float padding = YGNodeLayoutGetPadding(yogaNode, YGEdgeLeft);
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const float margin = YGNodeLayoutGetMargin(yogaNode, YGEdgeLeft);
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const float marginTop = YGNodeLayoutGetMargin(yogaNode, YGEdgeTop);
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const float left = YGNodeLayoutGetLeft(yogaNode);
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const float top = YGNodeLayoutGetTop(yogaNode) - parentScroll;
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const float borderLeft = YGNodeLayoutGetBorder(yogaNode, YGEdgeLeft);
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float parentLeft = 0.f;
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float parentTop = 0.f;
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auto parent = node->Parent;
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if (parent)
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{
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parentLeft = parent->ComputedPosition.x;
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parentTop = parent->ComputedPosition.y;
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}
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node->ComputedSize = Vector2(width, height);
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node->ComputedPosition = Vector2(left + parentLeft, top + parentTop);
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Matrix4 transform = Matrix4(1.f);
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transform = glm::translate(transform, Vector3(left + parentLeft, top + parentTop, z));
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transform = glm::scale(transform, Vector3(width, height, 1.0f));
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bool hasBackgroundImage = false;
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if (node->ComputedStyle.BackgroundImage)
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{
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hasBackgroundImage = true;
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node->ComputedStyle.BackgroundImage->Bind(0);
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}
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mShader->Bind();
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mShader->SetUniforms({
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{ "u_Model", transform },
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{ "u_Size", Vector2(width, height) },
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{ "u_View", mView },
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{ "u_Color", node->ComputedStyle.BackgroundColor },
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{ "u_Border", node->ComputedStyle.BorderSize },
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{ "u_BorderRadius", node->ComputedStyle.BorderRadius },
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{ "u_BorderColor", node->ComputedStyle.BorderColor },
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{ "u_BackgroundImage", 0 },
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{ "u_HasBackgroundImage", hasBackgroundImage ? 1.f : 0.f}
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});
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bool hideOverflow = node->Parent != nullptr && node->Parent->ComputedStyle.Overflow == OverflowType::Hidden;
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if (hideOverflow)
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{
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glEnable(GL_SCISSOR_TEST);
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Vector2 parentPosition = node->Parent->ComputedPosition;
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Vector2 parentSize = node->Parent->ComputedSize;
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int scissorX = (int)parentPosition.x;
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int scissorY = 1080 - (int)(parentPosition.y - parentSize.y);
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int scissorW = (int)parentSize.x;
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int scissorH = (int)parentSize.y;
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glScissor(scissorX, scissorY, scissorW, scissorH);
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}
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// TODO: Keep overflow until we get out of here
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mVertexArray->Bind();
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glDrawArrays(GL_TRIANGLES, 0, 6);
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mVertexArray->Unbind();
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mShader->Unbind();
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if (hideOverflow)
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glDisable(GL_SCISSOR_TEST);
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float parentScroll = 0.f;
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float parentPaddingRight = 0.f;
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if (node->Parent)
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{
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parentScroll = node->Parent->ScrollDelta;
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}
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void Renderer::DrawString(const std::string& string, NodeStyle& nodeStyle, std::shared_ptr<Font> font, Vector3 position)
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const YGNodeRef yogaNode = node->GetYogaNode();
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const float width = YGNodeLayoutGetWidth(yogaNode) - parentPaddingRight;
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const float height = YGNodeLayoutGetHeight(yogaNode);
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const float padding = YGNodeLayoutGetPadding(yogaNode, YGEdgeLeft);
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const float margin = YGNodeLayoutGetMargin(yogaNode, YGEdgeLeft);
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const float marginTop = YGNodeLayoutGetMargin(yogaNode, YGEdgeTop);
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const float left = YGNodeLayoutGetLeft(yogaNode);
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const float top = YGNodeLayoutGetTop(yogaNode) - parentScroll;
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const float borderLeft = YGNodeLayoutGetBorder(yogaNode, YGEdgeLeft);
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float parentLeft = 0.f;
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float parentTop = 0.f;
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auto parent = node->Parent;
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if (parent)
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{
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const float fontSize = nodeStyle.FontSize / 64.f;
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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mSDFShader->Bind();
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font->mAtlas->Bind(5);
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parentLeft = parent->ComputedPosition.x;
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parentTop = parent->ComputedPosition.y;
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}
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node->ComputedSize = Vector2(width, height);
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node->ComputedPosition = Vector2(left + parentLeft, top + parentTop);
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Matrix4 transform = Matrix4(1.f);
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transform = glm::translate(transform, Vector3(left + parentLeft, top + parentTop, z));
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transform = glm::scale(transform, Vector3(width, height, 1.0f));
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bool hasBackgroundImage = false;
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if (node->ComputedStyle.BackgroundImage)
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{
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hasBackgroundImage = true;
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node->ComputedStyle.BackgroundImage->Bind(0);
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}
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mShader->Bind();
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mShader->SetUniforms({
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{ "u_Model", transform },
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{ "u_Size", Vector2(width, height) },
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{ "u_View", mView },
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{ "u_Color", node->ComputedStyle.BackgroundColor },
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{ "u_Border", node->ComputedStyle.BorderSize },
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{ "u_BorderRadius", node->ComputedStyle.BorderRadius },
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{ "u_BorderColor", node->ComputedStyle.BorderColor },
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{ "u_BackgroundImage", 0 },
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{ "u_HasBackgroundImage", hasBackgroundImage ? 1.f : 0.f}
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});
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bool hideOverflow = node->Parent != nullptr && node->Parent->ComputedStyle.Overflow == OverflowType::Hidden;
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if (hideOverflow)
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{
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glEnable(GL_SCISSOR_TEST);
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Vector2 parentPosition = node->Parent->ComputedPosition;
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Vector2 parentSize = node->Parent->ComputedSize;
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int scissorX = (int)parentPosition.x;
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int scissorY = 1080 - (int)(parentPosition.y - parentSize.y);
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int scissorW = (int)parentSize.x;
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int scissorH = (int)parentSize.y;
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glScissor(scissorX, scissorY, scissorW, scissorH);
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}
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// TODO: Keep overflow until we get out of here
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mVertexArray->Bind();
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glDrawArrays(GL_TRIANGLES, 0, 6);
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mVertexArray->Unbind();
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mShader->Unbind();
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if (hideOverflow)
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glDisable(GL_SCISSOR_TEST);
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}
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void Renderer::DrawString(const std::string& string, NodeStyle& nodeStyle, std::shared_ptr<Font> font, Vector3 position)
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{
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const float fontSize = nodeStyle.FontSize / 64.f;
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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mSDFShader->Bind();
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font->mAtlas->Bind(5);
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mSDFShader->SetUniforms({
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{ "u_View", mView },
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{ "u_Atlas", 5 },
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{ "u_Scale", 1.0f},
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{ "u_SDF_BorderSize", 0.0f},
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{ "u_FontColor", nodeStyle.FontColor },
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{ "u_PxRange", fontSize },
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{ "u_SDF_BorderSize", {1.0, 1.0}},
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{ "u_SubpixelThreshold", subpixelThreshold},
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{ "u_CurveTolerance", curveTolerance},
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{ "u_SubpixelAmount", subpixelAmount}
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});
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mVertexArray->Bind();
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float advance = 0.0f;
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for (char const& c : string)
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{
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Char letter = font->GetChar((int)c);
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// Move the cursor
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Matrix4 model = Matrix4(1.f);
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model = glm::translate(model, position);
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model = glm::translate(model, Vector3(advance * fontSize, (-(letter.PlaneBounds.top) + (font->LineHeight)) * fontSize, 0));
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advance += (letter.Advance);
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// Scaling of the quad
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float scaleX = (float)(letter.PlaneBounds.right - letter.PlaneBounds.left);
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float scaleY = (float)(letter.PlaneBounds.top - letter.PlaneBounds.bottom);
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model = glm::scale(model, Vector3(scaleX * fontSize, scaleY * fontSize, 1.f));
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// Set Uniforms
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mSDFShader->SetUniforms({
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{ "u_View", mView },
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{ "u_Atlas", 5 },
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{ "u_Scale", 1.0f},
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{ "u_SDF_BorderSize", 0.0f},
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{ "u_FontColor", nodeStyle.FontColor },
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{ "u_PxRange", fontSize },
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{ "u_SDF_BorderSize", {1.0, 1.0}},
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{ "u_SubpixelThreshold", subpixelThreshold},
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{ "u_CurveTolerance", curveTolerance},
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{ "u_SubpixelAmount", subpixelAmount}
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{ "u_Model", model },
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{ "u_TexturePos", Vector2(letter.AtlasBounds.Pos.x, letter.AtlasBounds.Pos.y) },
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{ "u_TextureScale", Vector2(letter.AtlasBounds.Size.x, letter.AtlasBounds.Size.y) },
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});
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mVertexArray->Bind();
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float advance = 0.0f;
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for (char const& c : string)
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{
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Char letter = font->GetChar((int)c);
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// Move the cursor
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Matrix4 model = Matrix4(1.f);
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model = glm::translate(model, position);
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model = glm::translate(model, Vector3(advance * fontSize, (-(letter.PlaneBounds.top) + (font->LineHeight)) * fontSize, 0));
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advance += (letter.Advance);
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// Scaling of the quad
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float scaleX = (float)(letter.PlaneBounds.right - letter.PlaneBounds.left);
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float scaleY = (float)(letter.PlaneBounds.top - letter.PlaneBounds.bottom);
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model = glm::scale(model, Vector3(scaleX * fontSize, scaleY * fontSize, 1.f));
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// Set Uniforms
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mSDFShader->SetUniforms({
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{ "u_Model", model },
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{ "u_TexturePos", Vector2(letter.AtlasBounds.Pos.x, letter.AtlasBounds.Pos.y) },
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{ "u_TextureScale", Vector2(letter.AtlasBounds.Size.x, letter.AtlasBounds.Size.y) },
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});
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glDrawArrays(GL_TRIANGLES, 0, 6);
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}
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mVertexArray->Unbind();
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glDrawArrays(GL_TRIANGLES, 0, 6);
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}
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}
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mVertexArray->Unbind();
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}
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