From 3b21507274aa4f98644382903ae529c1fc2c7bd4 Mon Sep 17 00:00:00 2001
From: inmarket <andrewh@inmarket.com.au>
Date: Wed, 20 Aug 2014 01:36:33 +1000
Subject: GL3D GWIN window + demo

---
 3rdparty/tinygl-0.4-ugfx/src/misc.c | 149 ++++++++++++++++++++++++++++++++++++
 1 file changed, 149 insertions(+)
 create mode 100644 3rdparty/tinygl-0.4-ugfx/src/misc.c

(limited to '3rdparty/tinygl-0.4-ugfx/src/misc.c')

diff --git a/3rdparty/tinygl-0.4-ugfx/src/misc.c b/3rdparty/tinygl-0.4-ugfx/src/misc.c
new file mode 100644
index 00000000..7dedc75a
--- /dev/null
+++ b/3rdparty/tinygl-0.4-ugfx/src/misc.c
@@ -0,0 +1,149 @@
+#include "zgl.h"
+#include "msghandling.h"
+
+void glopViewport(GLContext *c,GLParam *p)
+{
+  int xsize,ysize,xmin,ymin,xsize_req,ysize_req;
+  
+  xmin=p[1].i;
+  ymin=p[2].i;
+  xsize=p[3].i;
+  ysize=p[4].i;
+
+  /* we may need to resize the zbuffer */
+
+  if (c->viewport.xmin != xmin ||
+      c->viewport.ymin != ymin ||
+      c->viewport.xsize != xsize ||
+      c->viewport.ysize != ysize) {
+
+    xsize_req=xmin+xsize;
+    ysize_req=ymin+ysize;
+
+    if (c->gl_resize_viewport && 
+        c->gl_resize_viewport(c,&xsize_req,&ysize_req) != 0) {
+      gl_fatal_error("glViewport: error while resizing display");
+    }
+
+    xsize=xsize_req-xmin;
+    ysize=ysize_req-ymin;
+    if (xsize <= 0 || ysize <= 0) {
+      gl_fatal_error("glViewport: size too small");
+    }
+
+    tgl_trace("glViewport: %d %d %d %d\n",
+              xmin, ymin, xsize, ysize);
+    c->viewport.xmin=xmin;
+    c->viewport.ymin=ymin;
+    c->viewport.xsize=xsize;
+    c->viewport.ysize=ysize;
+    
+    c->viewport.updated=1;
+  }
+}
+
+void glopEnableDisable(GLContext *c,GLParam *p)
+{
+  int code=p[1].i;
+  int v=p[2].i;
+
+  switch(code) {
+  case GL_CULL_FACE:
+    c->cull_face_enabled=v;
+    break;
+  case GL_LIGHTING:
+    c->lighting_enabled=v;
+    break;
+  case GL_COLOR_MATERIAL:
+    c->color_material_enabled=v;
+      break;
+  case GL_TEXTURE_2D:
+    c->texture_2d_enabled=v;
+    break;
+  case GL_NORMALIZE:
+    c->normalize_enabled=v;
+    break;
+  case GL_DEPTH_TEST:
+    c->depth_test = v;
+    break;
+  case GL_POLYGON_OFFSET_FILL:
+    if (v) c->offset_states |= TGL_OFFSET_FILL;
+    else c->offset_states &= ~TGL_OFFSET_FILL;
+    break; 
+  case GL_POLYGON_OFFSET_POINT:
+    if (v) c->offset_states |= TGL_OFFSET_POINT;
+    else c->offset_states &= ~TGL_OFFSET_POINT;
+    break; 
+  case GL_POLYGON_OFFSET_LINE:
+    if (v) c->offset_states |= TGL_OFFSET_LINE;
+    else c->offset_states &= ~TGL_OFFSET_LINE;
+    break; 
+  default:
+    if (code>=GL_LIGHT0 && code<GL_LIGHT0+MAX_LIGHTS) {
+      gl_enable_disable_light(c,code - GL_LIGHT0, v);
+    } else {
+      /*
+      fprintf(stderr,"glEnableDisable: 0x%X not supported.\n",code);
+      */
+    }
+    break;
+  }
+}
+
+void glopShadeModel(GLContext *c,GLParam *p)
+{
+  int code=p[1].i;
+  c->current_shade_model=code;
+}
+
+void glopCullFace(GLContext *c,GLParam *p)
+{
+  int code=p[1].i;
+  c->current_cull_face=code;
+}
+
+void glopFrontFace(GLContext *c,GLParam *p)
+{
+  int code=p[1].i;
+  c->current_front_face=code;
+}
+
+void glopPolygonMode(GLContext *c,GLParam *p)
+{
+  int face=p[1].i;
+  int mode=p[2].i;
+  
+  switch(face) {
+  case GL_BACK:
+    c->polygon_mode_back=mode;
+    break;
+  case GL_FRONT:
+    c->polygon_mode_front=mode;
+    break;
+  case GL_FRONT_AND_BACK:
+    c->polygon_mode_front=mode;
+    c->polygon_mode_back=mode;
+    break;
+  default:
+    gl_assert(0);
+  }
+}
+
+void glopHint(GLContext *c,GLParam *p)
+{
+	  (void)c;
+	  (void)p;
+#if 0
+  int target=p[1].i;
+  int mode=p[2].i;
+
+  /* do nothing */
+#endif
+}
+
+void 
+glopPolygonOffset(GLContext *c, GLParam *p)
+{
+  c->offset_factor = p[1].f;
+  c->offset_units = p[2].f;
+}
-- 
cgit v1.2.3