chore: import upstream snapshot with attribution

2026-07-13 13:33:03 +08:00
commit 5b57521aa1
8226 changed files with 3425766 additions and 0 deletions
@@ -0,0 +1,104 @@
+//
+//  GLProgram.cpp
+//  MNN
+//
+//  Created by MNN on 2019/01/31.
+//  Copyright © 2018, Alibaba Group Holding Limited
+//
+
+#include "backend/opengl/GLProgram.hpp"
+#include <string.h>
+#include <fstream>
+#include <sstream>
+#include "backend/opengl/GLDebug.hpp"
+using namespace std;
+
+namespace MNN {
+namespace OpenGL {
+GLProgram::~GLProgram() {
+    glDeleteShader(mShaderId);
+    glDeleteProgram(mProgramId);
+    OPENGL_CHECK_ERROR;
+}
+bool GLProgram::compileShader(GLuint s) {
+    GLint status;
+    glCompileShader(s);
+    glGetShaderiv(s, GL_COMPILE_STATUS, &status);
+    if (!status) {
+        int len;
+        glGetShaderiv(s, GL_INFO_LOG_LENGTH, &len);
+        if (0 >= len) {
+            glGetShaderInfoLog(s, 0, &len, NULL);
+        }
+        char* buffer = new char[len + 1];
+        glGetShaderInfoLog(s, len, NULL, buffer);
+        buffer[len] = 0;
+        FUNC_PRINT_ALL(buffer, s);
+        delete[] buffer;
+        return false;
+    }
+    return true;
+}
+
+int GLProgram::getAttribLocation(const char* name) const {
+    GLASSERT(NULL != name && 0 != mProgramId);
+    return glGetAttribLocation(mProgramId, name);
+}
+int GLProgram::getUniformLocation(const char* name) const {
+    GLASSERT(NULL != name && 0 != mProgramId);
+    return glGetUniformLocation(mProgramId, name);
+}
+
+void GLProgram::useProgram() {
+    glUseProgram(mProgramId);
+    OPENGL_CHECK_ERROR;
+}
+
+GLProgram::GLProgram(const std::string& computeShader) {
+    /*Create Shader*/
+    mShaderId = glCreateShader(GL_COMPUTE_SHADER);
+    OPENGL_CHECK_ERROR;
+    const char* _ver[1];
+    _ver[0] = computeShader.c_str();
+    glShaderSource(mShaderId, 1, _ver, NULL);
+    OPENGL_CHECK_ERROR;
+    /*TODO move GLASSERT to be log*/
+    bool res = compileShader(mShaderId);
+    // if (!res) FUNC_PRINT_ALL(mVertex.c_str(), s);
+    GLASSERT(res);
+    /*Create Program*/
+    mProgramId = glCreateProgram();
+    OPENGL_CHECK_ERROR;
+    glAttachShader(mProgramId, mShaderId);
+    OPENGL_CHECK_ERROR;
+    glLinkProgram(mProgramId);
+    OPENGL_CHECK_ERROR;
+    GLint linked;
+    glGetProgramiv(mProgramId, GL_LINK_STATUS, &linked);
+    if (!linked) {
+//        FUNC_PRINT(linked);
+        GLsizei len;
+        glGetProgramiv(mProgramId, GL_INFO_LOG_LENGTH , &len);
+        if (len <= 0) {
+            glGetProgramInfoLog(mProgramId, 0, &len, NULL);
+        }
+        if (len > 0) {
+            char* buffer = new char[len + 1];
+            buffer[len]  = '\0';
+            glGetProgramInfoLog(mProgramId, len, NULL, buffer);
+            FUNC_PRINT_ALL(buffer, s);
+            delete[] buffer;
+        }
+    }
+}
+
+std::string GLProgram::getHead(std::string imageFormat) {
+    std::ostringstream headOs;
+    headOs << "#version 310 es\n";
+    headOs << "#define PRECISION mediump\n";
+    headOs << "precision PRECISION float;\n";
+    headOs << "#define FORMAT " << imageFormat << "\n";
+    return headOs.str();
+}
+} // namespace OpenGL
+} // namespace MNN