| 1 | #include <Trace.h> |
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| 2 | #include <stdio.h> |
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| 3 | #include <stdarg.h> |
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| 4 | |
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| 5 | #include <GL/glew.h> |
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| 6 | #include <GL/glut.h> |
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| 7 | |
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| 8 | void |
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| 9 | Trace(const char* format, ...) |
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| 10 | { |
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| 11 | char buff[1024]; |
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| 12 | va_list lst; |
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| 13 | |
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| 14 | va_start(lst, format); |
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| 15 | vsnprintf(buff, 1023, format, lst); |
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| 16 | buff[1023] = '\0'; |
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| 17 | fprintf(stdout, "%s\n", buff); |
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| 18 | fflush(stdout); |
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| 19 | } |
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| 20 | |
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| 21 | bool |
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| 22 | CheckFBO(GLenum *statusPtr) |
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| 23 | { |
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| 24 | *statusPtr = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); |
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| 25 | return (*statusPtr == GL_FRAMEBUFFER_COMPLETE_EXT); |
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| 26 | } |
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| 27 | |
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| 28 | void |
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| 29 | PrintFBOStatus(GLenum status, const char *prefix) |
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| 30 | { |
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| 31 | const char *mesg; |
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| 32 | switch(status) { |
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| 33 | case GL_FRAMEBUFFER_COMPLETE_EXT: |
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| 34 | mesg = "<<<< OK >>>>"; break; |
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| 35 | case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT: |
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| 36 | mesg = "GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT"; break; |
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| 37 | case GL_FRAMEBUFFER_UNSUPPORTED_EXT: |
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| 38 | mesg = "GL_FRAMEBUFFER_UNSUPPORTED_EXT"; break; |
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| 39 | case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT: |
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| 40 | mesg = "GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT"; break; |
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| 41 | case GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT: |
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| 42 | mesg = "GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT"; break; |
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| 43 | case GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT: |
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| 44 | mesg = "GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT"; break; |
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| 45 | case GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT: |
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| 46 | mesg = "GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT"; break; |
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| 47 | case GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT: |
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| 48 | mesg = "GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT"; break; |
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| 49 | default: |
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| 50 | fprintf(stderr, "FB Status: %s: UNKNOWN framebuffer status %u\n", |
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| 51 | prefix, (unsigned int)status); |
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| 52 | return; |
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| 53 | } |
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| 54 | fprintf(stderr, "FB Status: %s: %s\n", prefix, mesg); |
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| 55 | } |
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| 56 | |
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| 57 | bool |
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| 58 | CheckGL(const char *prefix) |
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| 59 | { |
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| 60 | const char *mesg; |
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| 61 | GLenum status = (GLenum)glGetError(); |
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| 62 | switch(status) { |
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| 63 | case GL_NO_ERROR: |
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| 64 | return true; |
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| 65 | case GL_INVALID_ENUM: |
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| 66 | mesg = "GL_INVALID_ENUM"; break; |
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| 67 | case GL_INVALID_VALUE: |
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| 68 | mesg = "GL_INVALID_VALUE"; break; |
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| 69 | case GL_INVALID_OPERATION: |
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| 70 | mesg = "GL_INVALID_OPERATION"; break; |
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| 71 | case GL_STACK_OVERFLOW: |
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| 72 | mesg = "GL_STACK_OVERFLOW"; break; |
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| 73 | case GL_STACK_UNDERFLOW: |
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| 74 | mesg = "GL_STACK_UNDERFLOW"; break; |
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| 75 | case GL_OUT_OF_MEMORY: |
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| 76 | mesg = "GL_OUT_OF_MEMORY"; break; |
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| 77 | case GL_INVALID_FRAMEBUFFER_OPERATION_EXT: |
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| 78 | mesg = "GL_INVALID_FRAMEBUFFER_OPERATION_EXT"; break; |
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| 79 | default: |
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| 80 | fprintf(stderr, "GL Status: %s: Unknown status %d\n", prefix, status); |
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| 81 | return false; |
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| 82 | } |
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| 83 | fprintf(stderr, "GL Status: %s: %s\n", prefix, mesg); |
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| 84 | return false; |
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| 85 | } |
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| 86 | |
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| 87 | |
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