コード例 #1
0
ファイル: gcsx_opengl.cpp プロジェクト: pgimeno/GCSx-fork
void oglInit(int width, int height) { start_func
    oglError("oglInit: selectVideoMode");
    oglDebug(glViewport(0, 0, width, height));
    oglDebug(glClearColor(0.0f, 0.0f, 0.0f, 0.0f));
    oglDebug(glEnable(GL_TEXTURE_2D));
    oglDebug(glDisable(GL_DEPTH_TEST));
    oglDebug(glAlphaFunc(GL_GREATER, 0));
    oglDebug(glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
    oglDebug(glDisable(GL_ALPHA_TEST));
    oglDebug(glDisable(GL_BLEND));

    alphaOn = 0;
    blendOn = 0;

    // May change later
    oglDebug(glShadeModel(GL_SMOOTH));

    // Change to modulate to allow coloring
    oglDebug(glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE));

    oglDebug(glMatrixMode(GL_PROJECTION));
    oglDebug(glLoadIdentity());
    oglDebug(glOrtho(0, width, height, 0, 0, 1));
    oglDebug(glMatrixMode(GL_MODELVIEW));
    oglError("oglInit");
    
    // Some places optimize output and need to reset when GL is initialized
    TextureMap::setupOptimizations();
}
コード例 #2
0
ファイル: shader.c プロジェクト: ags/uni_coursework
GLuint loadShader(const char* vertexFile, const char* fragmentFile)
{
    GLuint vert, frag, program;
	if (oglError() != GL_NO_ERROR) /* just in case an error occurred beforehand */
		printf("NOTE: GL error set before call to loadShader()\n");
	
	/* load vertex and fragment shaders */
	vert = loadShaderPart(vertexFile, GL_VERTEX_SHADER);
	frag = loadShaderPart(fragmentFile, GL_FRAGMENT_SHADER);
	
	if (!vert && !frag)
		return 0;
	
	/* create the shader program object */
	program = glCreateProgram();
	
	/* attach the shader objects to the program */
	if (vert) glAttachShader(program, vert);
	if (frag) glAttachShader(program, frag);
	
	/* link the attached shader objects to create the shader executable */
	glLinkProgram(program);
	
	/* check for errors */
	programError(program);
	
	/* now it's compiled we don't need the intermediates */
	if (vert) glDeleteShader(vert);
	if (frag) glDeleteShader(frag);
	
	/* return our shader program */
    oglError();
	return program;
}
コード例 #3
0
ファイル: shader.c プロジェクト: ags/uni_coursework
void programError(GLuint program)
{
	/* prints out detailed compile errors for given program */
#ifdef SHOW_SHADER_ERRORS
    int infologLength = 0;
    int charsWritten  = 0;
    GLchar *infoLog;
    oglError();
    glGetProgramiv(program, GL_INFO_LOG_LENGTH, &infologLength);
	oglError();
    if (infologLength > 1)
    {
        infoLog = (GLchar *)malloc(infologLength);
        glGetProgramInfoLog(program, infologLength, &charsWritten, infoLog);
        printf("Program InfoLog:%s\n", infoLog);
        free(infoLog);
    }
    oglError();
#endif
}
コード例 #4
0
ファイル: shader.c プロジェクト: ags/uni_coursework
void shaderError(GLuint shader)
{
	/* prints out detailed compile errors for the given shader (fragment or vertex) */
#ifdef SHOW_SHADER_ERRORS
    int infologLength = 0;
    int charsWritten  = 0;
    GLchar *infoLog;
    oglError();

    glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &infologLength);
    oglError();
    if (infologLength > 1)
    {
        infoLog = (GLchar *)malloc(infologLength);
        glGetShaderInfoLog(shader, infologLength, &charsWritten, infoLog);
        printf("Shader InfoLog:%s\n", infoLog);
        free(infoLog);
    }
    oglError();
#endif
}