diff options
Diffstat (limited to 'glview.cc')
| -rw-r--r-- | glview.cc | 38 |
1 files changed, 25 insertions, 13 deletions
@@ -38,7 +38,9 @@ GLView::GLView(QWidget *parent) : QGLWidget(parent) renderfunc = NULL; renderfunc_vp = NULL; - edgeshader_prog = 0; + + for (int i = 0; i < 10; i++) + shaderinfo[i] = 0; setMouseTracking(true); } @@ -59,21 +61,21 @@ void GLView::initializeGL() if (glewIsSupported("GL_VERSION_2_0")) { - char *vs_source = - "attribute float e1, e2, e3;\n" - "varying float ve1, ve2, ve3;\n" + const char *vs_source = + "attribute vec3 tripos;\n" + "varying vec3 tp;\n" "void main() {\n" - " gl_FrontColor = gl_Color;\n" - " gl_Position = ftransform();\n" - " ve1 = e1; ve2 = e2; ve3 = e3;\n" + " gl_Position = ftransform();\n" + " tp = tripos;\n" "}\n"; - char *fs_source = - "varying float ve1, ve2, ve3;\n" + const char *fs_source = + "uniform vec4 color1, color2;\n" + "varying vec3 tp;\n" "void main() {\n" - " gl_FragColor = vec4(249.0/255.0, 215.0/255.0, 44.0/255.0, 1.0);\n" - " if (ve1 > 0.95 || ve2 > 0.95 || ve3 > 0.95)\n" - " gl_FragColor = vec4(255.0/255.0, 236.0/255.0, 94.0/255.0, 1.0);\n" + " gl_FragColor = color1;\n" + " if (tp.x > 0.95 || tp.y > 0.95 || tp.z > 0.95)\n" + " gl_FragColor = color2;\n" "}\n"; GLuint vs = glCreateShader(GL_VERTEX_SHADER); @@ -84,11 +86,21 @@ void GLView::initializeGL() glShaderSource(fs, 1, (const GLchar**)&fs_source, NULL); glCompileShader(fs); - edgeshader_prog = glCreateProgram(); + GLuint edgeshader_prog = glCreateProgram(); glAttachShader(edgeshader_prog, vs); glAttachShader(edgeshader_prog, fs); glLinkProgram(edgeshader_prog); + shaderinfo[0] = edgeshader_prog; + shaderinfo[1] = glGetUniformLocation(edgeshader_prog, "color1"); + shaderinfo[2] = glGetUniformLocation(edgeshader_prog, "color2"); + shaderinfo[3] = glGetAttribLocation(edgeshader_prog, "tripos"); + + GLenum err = glGetError(); + if (err != GL_NO_ERROR) { + fprintf(stderr, "OpenGL Error: %s\n", gluErrorString(err)); + } + GLint status; glGetProgramiv(edgeshader_prog, GL_LINK_STATUS, &status); if (status == GL_FALSE) { |