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@@ -14,7 +14,7 @@ OpenGLShader::~OpenGLShader() {
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}
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#ifndef __APPLE__
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bool OpenGLShader::initGLExtensions() {
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auto OpenGLShader::initGLExtensions() -> bool {
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glCreateShader = (PFNGLCREATESHADERPROC)SDL_GL_GetProcAddress("glCreateShader");
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glShaderSource = (PFNGLSHADERSOURCEPROC)SDL_GL_GetProcAddress("glShaderSource");
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glCompileShader = (PFNGLCOMPILESHADERPROC)SDL_GL_GetProcAddress("glCompileShader");
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@@ -61,7 +61,7 @@ void OpenGLShader::checkGLError(const char* operation) {
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}
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}
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GLuint OpenGLShader::compileShader(const std::string& source, GLenum shader_type) {
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auto OpenGLShader::compileShader(const std::string& source, GLenum shader_type) -> GLuint {
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if (source.empty()) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
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"ERROR: El código fuente del shader está vacío");
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@@ -104,7 +104,7 @@ GLuint OpenGLShader::compileShader(const std::string& source, GLenum shader_type
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return shader_id;
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}
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GLuint OpenGLShader::linkProgram(GLuint vertex_shader, GLuint fragment_shader) {
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auto OpenGLShader::linkProgram(GLuint vertex_shader, GLuint fragment_shader) -> GLuint {
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GLuint program = glCreateProgram();
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if (program == 0) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
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@@ -196,7 +196,7 @@ void OpenGLShader::createQuadGeometry() {
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checkGLError("glBufferData(EBO)");
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// Atributo 0: Posición (2 floats)
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glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof(float), (void*)0);
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glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof(float), (void*)nullptr);
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glEnableVertexAttribArray(0);
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checkGLError("glVertexAttribPointer(position)");
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@@ -210,7 +210,7 @@ void OpenGLShader::createQuadGeometry() {
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glBindVertexArray(0);
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}
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GLuint OpenGLShader::getTextureID(SDL_Texture* texture) {
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auto OpenGLShader::getTextureID(SDL_Texture* texture) -> GLuint {
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if (texture == nullptr) {
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return 1;
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}
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@@ -238,10 +238,10 @@ GLuint OpenGLShader::getTextureID(SDL_Texture* texture) {
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return texture_id;
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}
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bool OpenGLShader::init(SDL_Window* window,
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auto OpenGLShader::init(SDL_Window* window,
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SDL_Texture* texture,
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const std::string& vertex_source,
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const std::string& fragment_source) {
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const std::string& fragment_source) -> bool {
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window_ = window;
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back_buffer_ = texture;
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renderer_ = SDL_GetRenderer(window);
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@@ -432,7 +432,7 @@ void OpenGLShader::render() {
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// Dibujar quad usando VAO
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glBindVertexArray(vao_);
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glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
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glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, nullptr);
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checkGLError("glDrawElements");
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// Presentar
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@@ -23,23 +23,23 @@ class OpenGLShader : public ShaderBackend {
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OpenGLShader() = default;
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~OpenGLShader() override;
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bool init(SDL_Window* window,
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auto init(SDL_Window* window,
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SDL_Texture* texture,
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const std::string& vertex_source,
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const std::string& fragment_source) override;
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const std::string& fragment_source) -> bool override;
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void render() override;
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void setTextureSize(float width, float height) override;
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void cleanup() final;
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bool isHardwareAccelerated() const override { return is_initialized_; }
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[[nodiscard]] auto isHardwareAccelerated() const -> bool override { return is_initialized_; }
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private:
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// Funciones auxiliares
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bool initGLExtensions();
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GLuint compileShader(const std::string& source, GLenum shader_type);
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GLuint linkProgram(GLuint vertex_shader, GLuint fragment_shader);
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auto initGLExtensions() -> bool;
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auto compileShader(const std::string& source, GLenum shader_type) -> GLuint;
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auto linkProgram(GLuint vertex_shader, GLuint fragment_shader) -> GLuint;
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void createQuadGeometry();
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static GLuint getTextureID(SDL_Texture* texture);
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static auto getTextureID(SDL_Texture* texture) -> GLuint;
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static void checkGLError(const char* operation);
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// Estado SDL
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