1 files changed, 81 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_util.cpp b/src/video_core/renderer_opengl/gl_shader_util.cpp
new file mode 100644
index 00000000..10239c8a
--- /dev/null
+++ b/src/video_core/renderer_opengl/gl_shader_util.cpp
@@ -0,0 +1,81 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include "gl_shader_util.h"
+#include "common/log.h"
+
+#include <vector>
+#include <algorithm>
+
+namespace ShaderUtil {
+
+GLuint LoadShaders(const char* vertex_shader, const char* fragment_shader) {
+
+    // Create the shaders
+    GLuint vertex_shader_id = glCreateShader(GL_VERTEX_SHADER);
+    GLuint fragment_shader_id = glCreateShader(GL_FRAGMENT_SHADER);
+
+    GLint result = GL_FALSE;
+    int info_log_length;
+
+    // Compile Vertex Shader
+    DEBUG_LOG(GPU, "Compiling vertex shader.");
+
+    glShaderSource(vertex_shader_id, 1, &vertex_shader, NULL);
+    glCompileShader(vertex_shader_id);
+
+    // Check Vertex Shader
+    glGetShaderiv(vertex_shader_id, GL_COMPILE_STATUS, &result);
+    glGetShaderiv(vertex_shader_id, GL_INFO_LOG_LENGTH, &info_log_length);
+
+    std::vector<char> vertex_shader_error(info_log_length);
+    glGetShaderInfoLog(vertex_shader_id, info_log_length, NULL, &vertex_shader_error[0]);
+
+    if (info_log_length > 1) {
+        DEBUG_LOG(GPU, "%s", &vertex_shader_error[0]);
+    }
+
+    // Compile Fragment Shader
+    DEBUG_LOG(GPU, "Compiling fragment shader.");
+
+    glShaderSource(fragment_shader_id, 1, &fragment_shader, NULL);
+    glCompileShader(fragment_shader_id);
+
+    // Check Fragment Shader
+    glGetShaderiv(fragment_shader_id, GL_COMPILE_STATUS, &result);
+    glGetShaderiv(fragment_shader_id, GL_INFO_LOG_LENGTH, &info_log_length);
+
+    std::vector<char> fragment_shader_error(info_log_length);
+    glGetShaderInfoLog(fragment_shader_id, info_log_length, NULL, &fragment_shader_error[0]);
+
+    if (info_log_length > 1) {
+        DEBUG_LOG(GPU, "%s", &fragment_shader_error[0]);
+    }
+
+    // Link the program
+    DEBUG_LOG(GPU, "Linking program.");
+
+    GLuint program_id = glCreateProgram();
+    glAttachShader(program_id, vertex_shader_id);
+    glAttachShader(program_id, fragment_shader_id);
+    glLinkProgram(program_id);
+
+    // Check the program
+    glGetProgramiv(program_id, GL_LINK_STATUS, &result);
+    glGetProgramiv(program_id, GL_INFO_LOG_LENGTH, &info_log_length);
+
+    std::vector<char> program_error(std::max(info_log_length, int(1)));
+    glGetProgramInfoLog(program_id, info_log_length, NULL, &program_error[0]);
+
+    if (info_log_length > 1) {
+        DEBUG_LOG(GPU, "%s", &program_error[0]);
+    }
+
+    glDeleteShader(vertex_shader_id);
+    glDeleteShader(fragment_shader_id);
+
+    return program_id;
+}
+
+}