sanegl
annotate sanegl.c @ 0:00b315b6db1e
sanegl initial commit
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Thu, 23 Jun 2011 05:19:40 +0300 |
| parents | |
| children |
| rev | line source |
|---|---|
| nuclear@0 | 1 #include <stdio.h> |
| nuclear@0 | 2 |
| nuclear@0 | 3 #define SANEGL_IMPL_ |
| nuclear@0 | 4 #include "sanegl.h" |
| nuclear@0 | 5 |
| nuclear@0 | 6 struct vertex { |
| nuclear@0 | 7 float pos[4]; |
| nuclear@0 | 8 float color[4]; |
| nuclear@0 | 9 float tex[2]; |
| nuclear@0 | 10 float norm[3]; |
| nuclear@0 | 11 }; |
| nuclear@0 | 12 |
| nuclear@0 | 13 static const int mode_verts[] = { |
| nuclear@0 | 14 1, /* GL_POINTS */ |
| nuclear@0 | 15 2, /* GL_LINES */ |
| nuclear@0 | 16 -1, /* GL_LINE_LOOP TODO */ |
| nuclear@0 | 17 -1, /* GL_LINE_STRIP TODO */ |
| nuclear@0 | 18 3, /* GL_TRIANGLES */ |
| nuclear@0 | 19 -1, /* GL_TRIANGLE_STRIP TODO */ |
| nuclear@0 | 20 -1, /* GL_TRIANGLE_FAN TODO */ |
| nuclear@0 | 21 6, /* GL_QUADS (two triangles) */ |
| nuclear@0 | 22 -1, /* GL_QUAD_STRIP TODO */ |
| nuclear@0 | 23 -1 /* GL_POLYGON TODO */ |
| nuclear@0 | 24 }; |
| nuclear@0 | 25 |
| nuclear@0 | 26 static struct vertex vcur = { |
| nuclear@0 | 27 {0, 0, 0, 1}, /* position */ |
| nuclear@0 | 28 {1, 1, 1, 1}, /* color */ |
| nuclear@0 | 29 {0, 0}, /* tex-coord */ |
| nuclear@0 | 30 {0, 0, 0} /* normal */ |
| nuclear@0 | 31 }; |
| nuclear@0 | 32 |
| nuclear@0 | 33 |
| nuclear@0 | 34 void glBegin(GLenum mode) |
| nuclear@0 | 35 { |
| nuclear@0 | 36 printf("glBegin\n"); |
| nuclear@0 | 37 } |
| nuclear@0 | 38 |
| nuclear@0 | 39 void glEnd(void) |
| nuclear@0 | 40 { |
| nuclear@0 | 41 printf("glEnd\n"); |
| nuclear@0 | 42 } |
| nuclear@0 | 43 |
| nuclear@0 | 44 void glVertex4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w) |
| nuclear@0 | 45 { |
| nuclear@0 | 46 vcur.pos[0] = x; |
| nuclear@0 | 47 vcur.pos[1] = y; |
| nuclear@0 | 48 vcur.pos[2] = z; |
| nuclear@0 | 49 vcur.pos[3] = w; |
| nuclear@0 | 50 |
| nuclear@0 | 51 varr[nvert++] = vcur; |
| nuclear@0 | 52 } |
| nuclear@0 | 53 |
| nuclear@0 | 54 void glColor4f(GLfloat r, GLfloat g, GLfloat, b, GLfloat a) |
| nuclear@0 | 55 { |
| nuclear@0 | 56 vcur.color[0] = r; |
| nuclear@0 | 57 vcur.color[1] = g; |
| nuclear@0 | 58 vcur.color[2] = b; |
| nuclear@0 | 59 vcur.color[3] = a; |
| nuclear@0 | 60 } |
| nuclear@0 | 61 |
| nuclear@0 | 62 void glNormal3f(GLfloat x, GLfloat y, GLfloat z) |
| nuclear@0 | 63 { |
| nuclear@0 | 64 vcur.normal[0] = x; |
| nuclear@0 | 65 vcur.normal[1] = y; |
| nuclear@0 | 66 vcur.normal[2] = z; |
| nuclear@0 | 67 } |
| nuclear@0 | 68 |
| nuclear@0 | 69 void glTexCoord4f(GLfloat x, GLfloat y) |
| nuclear@0 | 70 { |
| nuclear@0 | 71 vcur.tex[0] = x; |
| nuclear@0 | 72 vcur.tex[1] = y; |
| nuclear@0 | 73 } |