added rest of the openGL implementation theoreticaly the engine can render now

2026-01-17 23:04:56 +01:00
parent 0f8c21278a
commit 551b790243
31 changed files with 1648 additions and 6 deletions
--- a/TSE_GlfwOpenGlImpl/src/shader/Shader.cpp
+++ b/TSE_GlfwOpenGlImpl/src/shader/Shader.cpp
@@ -0,0 +1,137 @@
+#include "Shader.hpp"
+#include "GL/gl3w.h"
+#include "Debug.hpp"
+
+TSE::uint TSE::GLFW::Shader::activeProgramID = 0;
+
+void TSE::GLFW::Shader::Bind() const
+{
+    Enable(true);
+}
+
+void TSE::GLFW::Shader::Unbind() const
+{
+    Disable(true);
+}
+
+void TSE::GLFW::Shader::Enable(bool notify) const
+{
+    activeProgramID = programID;
+    glUseProgram(programID);
+    if(notify) OnEnable();
+}
+
+void TSE::GLFW::Shader::Disable(bool notify) const
+{
+    activeProgramID = 0;
+    glUseProgram(0);
+    if(notify) OnDisable();
+}
+
+void TSE::GLFW::Shader::Flush()
+{
+    OnFlush();
+}
+
+void TSE::GLFW::Shader::DrawCall(int indexCount)
+{
+    OnDrawCall(indexCount);
+}
+
+void TSE::GLFW::Shader::Submit(const Transformable &t, float *&target, TransformationStack &stack, void (*restartDrawcall)(IRenderer &), IRenderer &rnd)
+{
+    OnSubmit(t, target, stack, restartDrawcall, rnd);
+}
+
+bool TSE::GLFW::Shader::IsEnabled() const
+{
+    return programID == activeProgramID;
+}
+
+int TSE::GLFW::Shader::packageSize()
+{
+    return PackageSize;
+}
+
+TSE::GLFW::Shader::Shader(const std::vector<std::unique_ptr<ShaderPart>> &parts)
+{
+    programID = glCreateProgram();
+
+    for (const auto& part : parts) {
+        glAttachShader(programID, part->shaderPartID);
+    }
+
+    glLinkProgram(programID);
+
+    int success;
+
+    glGetProgramiv(programID, GL_LINK_STATUS, &success);
+
+    if(!success)
+    {
+        char log[512];
+        glGetProgramInfoLog(programID, 512, nullptr, log);
+        TSE_ERROR(log);
+    }
+
+    for (const auto& part : parts) {
+        glDetachShader(programID, part->shaderPartID);
+    }
+}
+
+TSE::GLFW::Shader::~Shader()
+{
+    glDeleteProgram(programID);
+}
+
+int TSE::GLFW::Shader::GetUniformLocation(const char *name)
+{
+    auto it = uniformLocations.find(name);
+    if (it != uniformLocations.end()) return it->second;
+
+    int loc = glGetUniformLocation(programID, name);
+    uniformLocations[name] = loc;
+    return loc;
+}
+
+void TSE::GLFW::Shader::SetUniform(const char *name, int value)
+{
+    glUniform1i(GetUniformLocation(name), value);
+}
+
+void TSE::GLFW::Shader::SetUniform(const char *name, const int *value, const int count)
+{
+    glUniform1iv(GetUniformLocation(name), count, value);
+}
+
+void TSE::GLFW::Shader::SetUniform(const char *name, const Matrix4x4 *value)
+{
+    float colmbMajor[16];
+    value->ToArrayColumnMajor(colmbMajor);
+    glUniformMatrix4fv(GetUniformLocation(name),1, false, colmbMajor);
+}
+
+void TSE::GLFW::Shader::SetUniform(const char *name, float value)
+{
+    glUniform1f(GetUniformLocation(name), value);
+}
+
+void TSE::GLFW::Shader::SetUniform(const char *name, const float *value, const int count)
+{
+    glUniform1fv(GetUniformLocation(name), count, value);
+}
+
+void TSE::GLFW::Shader::SetUniform(const char *name, const Vector2 *value)
+{
+    glUniform2f(GetUniformLocation(name), value->x, value->y);
+}
+
+void TSE::GLFW::Shader::SetUniform(const char *name, const Vector3 *value)
+{
+    glUniform3f(GetUniformLocation(name), value->x, value->y, value->z);
+}
+
+void TSE::GLFW::Shader::SetUniform(const char *name, const Vector4 *value)
+{
+    glUniform4f(GetUniformLocation(name), value->x, value->y, value->z, value->w);
+}