comparison: src/shader.c
src/shader.c
- changeset 92
- 78ce93fb46e5
- parent 88
- 6234b7ea48f3
equal
deleted
inserted
replaced
| 91:8433c87c0f51 | 92:78ce93fb46e5 |
|---|---|
| 45 * @return the compiled shader | 45 * @return the compiled shader |
| 46 */ | 46 */ |
| 47 static unsigned asc_shader_compile(unsigned int type, char const *code) { | 47 static unsigned asc_shader_compile(unsigned int type, char const *code) { |
| 48 GLuint id = glCreateShader(type); | 48 GLuint id = glCreateShader(type); |
| 49 if (id == 0) { | 49 if (id == 0) { |
| 50 asc_error("glCreateShader failed"); | 50 asc_error("glCreateShader failed: %s", glGetError()); |
| 51 return 0; | 51 return 0; |
| 52 } | 52 } |
| 53 | 53 |
| 54 GLint success; | 54 GLint success; |
| 55 int length = (int) strlen(code); // must be int because of OpenGL API | 55 int length = (int) strlen(code); // must be int because of OpenGL API |
| 61 return id; | 61 return id; |
| 62 } else { | 62 } else { |
| 63 char *log = malloc(1024); | 63 char *log = malloc(1024); |
| 64 glGetShaderInfoLog(id, 1024, NULL, log); | 64 glGetShaderInfoLog(id, 1024, NULL, log); |
| 65 glDeleteShader(id); | 65 glDeleteShader(id); |
| 66 asc_error(log); | 66 asc_error("Shader %u compilation failed.\n%s", id, log); |
| 67 free(log); | 67 free(log); |
| 68 return 0; | 68 return 0; |
| 69 } | 69 } |
| 70 } | 70 } |
| 71 | 71 |
| 80 */ | 80 */ |
| 81 static AscShaderProgram asc_shader_link(unsigned shader[], unsigned n) { | 81 static AscShaderProgram asc_shader_link(unsigned shader[], unsigned n) { |
| 82 GLint success; | 82 GLint success; |
| 83 GLint id = glCreateProgram(); | 83 GLint id = glCreateProgram(); |
| 84 if (id <= 0) { | 84 if (id <= 0) { |
| 85 asc_error("glCreateProgram failed"); | 85 asc_error("glCreateProgram failed: %s", glGetError()); |
| 86 return (AscShaderProgram) {0}; | 86 return (AscShaderProgram) {0}; |
| 87 } | 87 } |
| 88 for (unsigned i = 0; i < n; i++) { | 88 for (unsigned i = 0; i < n; i++) { |
| 89 glAttachShader(id, shader[i]); | 89 glAttachShader(id, shader[i]); |
| 90 } | 90 } |
| 104 return prog; | 104 return prog; |
| 105 } else { | 105 } else { |
| 106 char *log = malloc(1024); | 106 char *log = malloc(1024); |
| 107 glGetProgramInfoLog(id, 1024, NULL, log); | 107 glGetProgramInfoLog(id, 1024, NULL, log); |
| 108 glDeleteProgram(id); | 108 glDeleteProgram(id); |
| 109 asc_error(log); | 109 asc_error("Linking shader program %u failed.\n%s", id, log); |
| 110 free(log); | 110 free(log); |
| 111 return (AscShaderProgram) {0}; | 111 return (AscShaderProgram) {0}; |
| 112 } | 112 } |
| 113 } | 113 } |
| 114 | 114 |
