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TINYGL: Added a few utility functions in TinyGL

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This commit is contained in:
Stefano Musumeci 2014-06-21 14:48:24 +02:00
parent d61fdc9bf6
commit bceb1a7516
6 changed files with 84 additions and 8 deletions
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34
graphics/tinygl/api.cpp
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@ -167,6 +167,14 @@ void tglColorMask(TGLboolean r, TGLboolean g, TGLboolean b, TGLboolean a) {
TinyGL::gl_add_op(p);
}
void tglDepthMask(int enableWrite) {
TinyGL::GLParam p[2];
p[0].op = TinyGL::OP_DepthMask;
p[1].i = enableWrite;
TinyGL::gl_add_op(p);
}
void tglBlendFunc(TGLenum sfactor, TGLenum dfactor) {
TinyGL::GLParam p[3];
@ -190,7 +198,6 @@ void tglPolygonMode(int face, int mode) {
TinyGL::gl_add_op(p);
}
// glEnable, glDisable
void tglEnable(int cap) {
@ -347,6 +354,31 @@ void tglFrustum(double left, double right, double bottom, double top, double nea
TinyGL::gl_add_op(p);
}
void tglOrtho(double left, double right, double bottom, double top, double zNear, double zFar) {
TinyGL::GLParam p[7];
p[0].op = TinyGL::OP_Ortho;
p[1].f = (float)left;
p[2].f = (float)right;
p[3].f = (float)bottom;
p[4].f = (float)top;
p[5].f = (float)zNear;
p[6].f = (float)zFar;
TinyGL::gl_add_op(p);
}
void tgluOrtho2D(double left, double right, double bottom, double top) {
tglOrtho(left, right, bottom, top, -1, 1);
}
void tgluPerspective(double fovy, double aspect, double zNear, double zFar) {
double fW, fH;
fH = tan( fovy / 360 * LOCAL_PI ) * zNear;
fW = fH * aspect;
tglFrustum( -fW, fW, -fH, fH, zNear, zFar );
}
// lightening
void tglMaterialfv(int mode, int type, float *v) {