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73 lines
1.6 KiB
C++
73 lines
1.6 KiB
C++
#define FORBIDDEN_SYMBOL_EXCEPTION_fprintf
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#define FORBIDDEN_SYMBOL_EXCEPTION_stderr
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#include "graphics/tinygl/zgl.h"
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void tglGetIntegerv(int pname, int *params) {
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TinyGL::GLContext *c = TinyGL::gl_get_context();
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switch (pname) {
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case TGL_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 TGL_MAX_MODELVIEW_STACK_DEPTH:
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*params = MAX_MODELVIEW_STACK_DEPTH;
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break;
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case TGL_MAX_PROJECTION_STACK_DEPTH:
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*params = MAX_PROJECTION_STACK_DEPTH;
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break;
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case TGL_MAX_LIGHTS:
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*params = T_MAX_LIGHTS;
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break;
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case TGL_MAX_TEXTURE_SIZE:
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*params = 256; // not completely true, but...
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break;
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case TGL_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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error("glGet: option not implemented");
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break;
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}
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}
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void tglGetFloatv(int pname, float *v) {
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TinyGL::Matrix4* m;
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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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TinyGL::GLContext *c = TinyGL::gl_get_context();
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switch (pname) {
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case TGL_TEXTURE_MATRIX:
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mnr++;
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case TGL_PROJECTION_MATRIX:
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mnr++;
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case TGL_MODELVIEW_MATRIX: {
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for (i = 0; i < 4; i++) {
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*v++ = c->matrix_stack_ptr[mnr]->get(i,0);
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*v++ = c->matrix_stack_ptr[mnr]->get(i,1);
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*v++ = c->matrix_stack_ptr[mnr]->get(i,2);
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*v++ = c->matrix_stack_ptr[mnr]->get(i,3);
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}
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}
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break;
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case TGL_LINE_WIDTH:
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*v = 1.0f;
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break;
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case TGL_LINE_WIDTH_RANGE:
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v[0] = v[1] = 1.0f;
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break;
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case TGL_POINT_SIZE:
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*v = 1.0f;
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break;
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case TGL_POINT_SIZE_RANGE:
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v[0] = v[1] = 1.0f;
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break;
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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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