backend/ogl_sys/drawing-sets/COglLayer.cpp - develop - ArtemNech/simpleOpenGL

backend/ogl_sys/drawing-sets/COglLayer.cpp
92 строки2 KB
Artem Nechitaylenko
initial
16 май 2026, 12:48
16 май 2026, 12:480d3ac6c
//
// Created by artem on 11.04.26.
//
#include "shaderprogram.h"

#include "COglLayer.h"
#include "../../graphics-units/NRectF.h"
#include "../../CBacking.h"

COglLayer::~COglLayer()
{
    m_vao->unbind();
    delete m_vao;

    m_vbo->unbind();
    delete m_vbo;

    m_shaderProgram->unbind();
    delete m_shaderProgram;
}

COglLayer::COglLayer(float Z)
{
    m_shaderProgram = new ShaderProgram();
    m_vbo    = new Buffer(Vertex);
    m_vao    = new VertexArray();
    m_z = Z;
    m_backing = nullptr;
    m_projection = {};
}

void
COglLayer::startBatch(GLenum primitive, float fontSize, bool useTexture, GLuint textureId, bool useSDF, bool hasGradient, GradientUniforms uniforms)
{
    DrawBatch batch;

    batch.primitive = primitive;
    batch.useTexture = useTexture;
    batch.useSDF = useSDF;
    batch.hasGradient = hasGradient;  // ← принимаем параметр
    batch.textureId = textureId;
    batch.vertexOffset = (int)m_vertices.size();
    batch.fontSize = fontSize;
    batch.gradient_uniforms = uniforms;

    m_batches.push_back(batch);
}

void COglLayer::endBatch()
{
    if (!m_batches.empty())
    {
        m_batches.back().vertexCount = (int)m_vertices.size() - m_batches.back().vertexOffset;
    }
}

std::vector<vertex_t> &COglLayer::vertices()
{
    return m_vertices;
}

std::pair<float, float> COglLayer::worldToGL(const ngraph::NPointF &p)
{
    // концепция сменилась - отправляем мировые координаты в видяху.
    return {p.x(), p.y()};
    /*
    ngraph::NRectF  size = m_backing->getViewportRect();
    return {
            (2.0f * p.x() / size.width()) - 1.0f,
            1.0f - (2.0f * p.y() / size.height())
    };*/
}

ngraph::NSizeF COglLayer::viewport_size() const
{
    return m_backing->getViewportRect().size();
}

bool COglLayer::is_enabled() const
{
    return m_enabled;
}

void COglLayer::set_enabled(bool enabled)
{
    m_enabled = enabled;
}

float COglLayer::get_layer_Z() const
{
    return m_z;
}