73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
#include "zgl.h"
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void glGetIntegerv(int pname,int *params)
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{
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GLContext *c=gl_get_context();
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switch(pname) {
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case GL_VIEWPORT:
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params[0]=c->viewport.xmin;
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params[1]=c->viewport.ymin;
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params[2]=c->viewport.xsize;
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params[3]=c->viewport.ysize;
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break;
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case GL_MAX_MODELVIEW_STACK_DEPTH:
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*params = MAX_MODELVIEW_STACK_DEPTH;
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break;
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case GL_MAX_PROJECTION_STACK_DEPTH:
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*params = MAX_PROJECTION_STACK_DEPTH;
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break;
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case GL_MAX_LIGHTS:
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*params = MAX_LIGHTS;
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break;
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case GL_MAX_TEXTURE_SIZE:
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*params = 256; /* not completely true, but... */
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break;
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case GL_MAX_TEXTURE_STACK_DEPTH:
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*params = MAX_TEXTURE_STACK_DEPTH;
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break;
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default:
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gl_fatal_error("glGet: option not implemented");
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break;
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}
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}
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void glGetFloatv(int pname, float *v)
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{
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int i;
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int mnr = 0; /* just a trick to return the correct matrix */
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GLContext *c = gl_get_context();
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switch (pname) {
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case GL_TEXTURE_MATRIX:
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mnr++;
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case GL_PROJECTION_MATRIX:
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mnr++;
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case GL_MODELVIEW_MATRIX:
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{
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float *p = &c->matrix_stack_ptr[mnr]->m[0][0];;
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for (i = 0; i < 4; i++) {
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*v++ = p[0];
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*v++ = p[4];
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*v++ = p[8];
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*v++ = p[12];
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p++;
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}
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}
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break;
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case GL_LINE_WIDTH:
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*v = 1.0f;
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break;
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case GL_LINE_WIDTH_RANGE:
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v[0] = v[1] = 1.0f;
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break;
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case GL_POINT_SIZE:
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*v = 1.0f;
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break;
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case GL_POINT_SIZE_RANGE:
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v[0] = v[1] = 1.0f;
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default:
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fprintf(stderr,"warning: unknown pname in glGetFloatv()\n");
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break;
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}
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}
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