83a65621c18ecd675bbfa6dd5465bbbf9ddaee04

Moved generic code out

Signed-off-by: Michel Pollet <buserror@gmail.com>

diff --git a/examples/board_reprap/Makefile b/examples/board_reprap/Makefile
index 51fd468900bc470548aca94154520da0295cdf75..704aab716eb2ac3b2ce9d0c2273657d31633fdbf 100644 (file)
--- a/examples/board_reprap/Makefile
+++ b/examples/board_reprap/Makefile
@@ -28,6 +28,7 @@ IPATH += src
 IPATH += ../parts
 IPATH += ../shared
 IPATH += $(LIBC3)/src
+IPATH += $(LIBC3)/srcgl
 IPATH += ${simavr}/include
 IPATH += ${simavr}/simavr/sim
 
@@ -44,7 +45,7 @@ include ../Makefile.opengl
 LDFLAGS += ${shell pkg-config --libs pangocairo}
 LDFLAGS += -lpthread -lutil -ldl
 LDFLAGS += -lm
-LDFLAGS += -rpath $(LIBC3)/${OBJ}/.libs -L$(LIBC3)/${OBJ}/.libs -lc3
+LDFLAGS += -rpath $(LIBC3)/${OBJ}/.libs -L$(LIBC3)/${OBJ}/.libs -lc3 -lc3gl
 
 CPPFLAGS       += ${patsubst %,-I%,${subst :, ,${IPATH}}}
 

diff --git a/examples/board_reprap/gfx/buserror-nozzle-model.stl b/examples/board_reprap/gfx/buserror-nozzle-model.stl
index 2b4947f95c8fbda9c415dbe1b8dfcae69d6c9b82..c99e0a3fedcdf08aaf3b8bf65acc2f28fcda1759 100644 (file)
--- a/examples/board_reprap/gfx/buserror-nozzle-model.stl
+++ b/examples/board_reprap/gfx/buserror-nozzle-model.stl
@@ -1,170 +1,170 @@
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       vertex -6.4 11.25 4
-      vertex -6.4 7.25 4.65
+      vertex -6.4 7.25 5.15
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       vertex -6.4 11.25 12.3
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       vertex -6.4 -4.75 12.3
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   facet normal 0 -1 0
@@ -195,119 +195,119 @@ solid OpenSCAD_Model
       vertex 6.4 -4.75 4
     endloop
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@@ -342,14 +342,14 @@ solid OpenSCAD_Model
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@@ -370,28 +370,28 @@ solid OpenSCAD_Model
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+      vertex -0.235114 -0.323607 0.99
+      vertex -0.323607 -0.235114 0.99
+    endloop
+  endfacet
+  facet normal 0.456869 0.456869 0.763243
+    outer loop
+      vertex -3.22639 -2.34411 3.99
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+  endfacet
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+    outer loop
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+    outer loop
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+  endfacet
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+    outer loop
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+  endfacet
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+  endfacet
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+    outer loop
+      vertex 0 -3.98804 3.99
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+      vertex 0 -0.4 0.99
+    endloop
+  endfacet
+  facet normal -0.101074 0.638156 0.763243
+    outer loop
+      vertex 1.23237 -3.79285 3.99
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+      vertex 0.000410654 -3.98797 3.99
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+  endfacet
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+    outer loop
+      vertex 1.23237 -3.79285 3.99
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+    endloop
+  endfacet
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+    outer loop
+      vertex 0.123607 -0.380423 0.99
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+  endfacet
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+    outer loop
+      vertex 1.23274 -3.79266 3.99
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+  endfacet
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+    outer loop
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+  endfacet
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+  endfacet
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+  endfacet
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+    outer loop
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+  endfacet
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+    outer loop
+      vertex 3.22658 -2.34374 3.99
+      vertex 3.79285 -1.23237 3.99
+      vertex 0.380423 -0.123607 0.99
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+  endfacet
+  facet normal -0.638157 0.101072 0.763243
+    outer loop
+      vertex 3.79285 -1.23237 3.99
+      vertex 3.79292 -1.23196 3.99
+      vertex 0.4 0 0.99
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+  endfacet
+  facet normal -0.638157 0.101072 0.763243
+    outer loop
+      vertex 0.380423 -0.123607 0.99
+      vertex 3.79285 -1.23237 3.99
+      vertex 0.4 0 0.99
+    endloop
+  endfacet
+  facet normal -0.638156 0.101074 0.763243
+    outer loop
+      vertex 3.79292 -1.23196 3.99
+      vertex 3.98804 0 3.99
+      vertex 0.4 0 0.99
+    endloop
+  endfacet
+  facet normal -0.638156 -0.101072 0.763244
+    outer loop
+      vertex 0.4 0 0.99
+      vertex 3.98804 0 3.99
+      vertex 3.98797 0.000410654 3.99
+    endloop
+  endfacet
+  facet normal -0.638156 -0.101072 0.763244
+    outer loop
+      vertex 0.380423 0.123607 0.99
+      vertex 0.4 0 0.99
+      vertex 3.98797 0.000410654 3.99
+    endloop
+  endfacet
+  facet normal -0.638156 -0.101074 0.763243
+    outer loop
+      vertex 3.98797 0.000410654 3.99
+      vertex 3.79285 1.23237 3.99
+      vertex 0.380423 0.123607 0.99
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+  endfacet
+  facet normal -0.575689 -0.29333 0.763243
+    outer loop
+      vertex 0.380423 0.123607 0.99
+      vertex 3.79285 1.23237 3.99
+      vertex 3.79266 1.23274 3.99
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+  endfacet
+  facet normal -0.575689 -0.29333 0.763243
+    outer loop
+      vertex 0.323607 0.235114 0.99
+      vertex 0.380423 0.123607 0.99
+      vertex 3.79266 1.23274 3.99
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+  endfacet
+  facet normal -0.575689 -0.293328 0.763243
+    outer loop
+      vertex 3.79266 1.23274 3.99
+      vertex 3.22639 2.34411 3.99
+      vertex 0.323607 0.235114 0.99
+    endloop
+  endfacet
+  facet normal -0.456869 -0.456869 0.763243
+    outer loop
+      vertex 0.323607 0.235114 0.99
+      vertex 3.22639 2.34411 3.99
+      vertex 2.34411 3.22639 3.99
+    endloop
+  endfacet
+  facet normal -0.456869 -0.456869 0.763243
+    outer loop
+      vertex 0.235114 0.323607 0.99
+      vertex 0.323607 0.235114 0.99
+      vertex 2.34411 3.22639 3.99
+    endloop
+  endfacet
+  facet normal -0.29333 -0.575688 0.763244
+    outer loop
+      vertex 0.235114 0.323607 0.99
+      vertex 2.34411 3.22639 3.99
+      vertex 2.34374 3.22658 3.99
+    endloop
+  endfacet
+  facet normal -0.29333 -0.575688 0.763244
+    outer loop
+      vertex 0.123607 0.380423 0.99
+      vertex 0.235114 0.323607 0.99
+      vertex 2.34374 3.22658 3.99
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+  endfacet
+  facet normal -0.293328 -0.575689 0.763243
+    outer loop
+      vertex 2.34374 3.22658 3.99
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+  endfacet
+  facet normal -0.101072 -0.638157 0.763243
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+      vertex 0.123607 0.380423 0.99
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+  endfacet
+  facet normal -0.101072 -0.638157 0.763243
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+      vertex 0 0.4 0.99
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+  endfacet
+  facet normal -0.101074 -0.638156 0.763243
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+      vertex 1.23196 3.79292 3.99
+      vertex 0 3.98804 3.99
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+  endfacet
+  facet normal 0.101072 -0.638156 0.763244
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+      vertex 0 0.4 0.99
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+  endfacet
+  facet normal 0.101072 -0.638156 0.763244
+    outer loop
+      vertex -0.123607 0.380423 0.99
+      vertex 0 0.4 0.99
+      vertex -0.000410654 3.98797 3.99
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+  endfacet
+  facet normal 0.101074 -0.638156 0.763243
+    outer loop
+      vertex -0.123607 0.380423 0.99
+      vertex -0.000410654 3.98797 3.99
+      vertex -1.23237 3.79285 3.99
+    endloop
+  endfacet
+  facet normal 0.29333 -0.575689 0.763243
+    outer loop
+      vertex -0.235114 0.323607 0.99
+      vertex -0.123607 0.380423 0.99
+      vertex -1.23237 3.79285 3.99
+    endloop
+  endfacet
+  facet normal 0.29333 -0.575689 0.763243
+    outer loop
+      vertex -1.23274 3.79266 3.99
+      vertex -0.235114 0.323607 0.99
+      vertex -1.23237 3.79285 3.99
+    endloop
+  endfacet
+  facet normal 0.293328 -0.575689 0.763243
+    outer loop
+      vertex -0.235114 0.323607 0.99
+      vertex -1.23274 3.79266 3.99
+      vertex -2.34411 3.22639 3.99
+    endloop
+  endfacet
+  facet normal 0.456869 -0.456869 0.763243
+    outer loop
+      vertex -0.323607 0.235114 0.99
+      vertex -0.235114 0.323607 0.99
+      vertex -2.34411 3.22639 3.99
+    endloop
+  endfacet
+  facet normal 0.456869 -0.456869 0.763243
+    outer loop
+      vertex -3.22639 2.34411 3.99
+      vertex -0.323607 0.235114 0.99
+      vertex -2.34411 3.22639 3.99
+    endloop
+  endfacet
+  facet normal 0.575688 -0.29333 0.763244
+    outer loop
+      vertex -0.380423 0.123607 0.99
+      vertex -0.323607 0.235114 0.99
+      vertex -3.22639 2.34411 3.99
+    endloop
+  endfacet
+  facet normal 0.575688 -0.29333 0.763244
+    outer loop
+      vertex -3.22658 2.34374 3.99
+      vertex -0.380423 0.123607 0.99
+      vertex -3.22639 2.34411 3.99
+    endloop
+  endfacet
+  facet normal 0.575689 -0.293328 0.763243
+    outer loop
+      vertex -0.380423 0.123607 0.99
+      vertex -3.22658 2.34374 3.99
+      vertex -3.79285 1.23237 3.99
+    endloop
+  endfacet
+  facet normal 0.638157 -0.101072 0.763243
+    outer loop
+      vertex -0.4 0 0.99
+      vertex -0.380423 0.123607 0.99
+      vertex -3.79285 1.23237 3.99
+    endloop
+  endfacet
+  facet normal 0.638157 -0.101072 0.763243
+    outer loop
+      vertex -3.79292 1.23196 3.99
+      vertex -0.4 0 0.99
+      vertex -3.79285 1.23237 3.99
+    endloop
+  endfacet
+  facet normal 0 0 -1
     outer loop
       vertex -0.4 0 0
       vertex -0.380423 0.123607 0
       vertex -0.380423 -0.123607 0
     endloop
   endfacet
-  facet normal 0 -0 -1
+  facet normal 0 0 -1
     outer loop
       vertex -0.380423 -0.123607 0
       vertex -0.380423 0.123607 0
@@ -4059,7 +4017,7 @@ solid OpenSCAD_Model
       vertex 0.4 0 0
     endloop
   endfacet
-  facet normal -0 0 -1
+  facet normal 0 0 -1
     outer loop
       vertex -0.380423 -0.123607 0
       vertex 0.4 0 0
@@ -4115,4 +4073,130 @@ solid OpenSCAD_Model
       vertex -0.323607 -0.235114 0
     endloop
   endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -0.380423 -0.123607 0.99
+      vertex -0.323607 -0.235114 0.99
+      vertex -0.235114 -0.323607 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 0 -0.4 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex -0.123607 -0.380423 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -0.123607 -0.380423 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex -0.235114 -0.323607 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 0.123607 -0.380423 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex 0 -0.4 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 0.235114 -0.323607 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex 0.123607 -0.380423 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 0.323607 -0.235114 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex 0.235114 -0.323607 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 0.380423 -0.123607 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex 0.323607 -0.235114 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 0.4 0 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex 0.380423 -0.123607 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 0.380423 0.123607 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex 0.4 0 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 0.323607 0.235114 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex 0.380423 0.123607 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 0.235114 0.323607 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex 0.323607 0.235114 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 0.123607 0.380423 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex 0.235114 0.323607 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 0 0.4 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex 0.123607 0.380423 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -0.123607 0.380423 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex 0 0.4 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -0.235114 0.323607 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex -0.123607 0.380423 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -0.323607 0.235114 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex -0.235114 0.323607 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -0.380423 0.123607 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex -0.323607 0.235114 0.99
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -0.4 0 0.99
+      vertex -0.380423 -0.123607 0.99
+      vertex -0.380423 0.123607 0.99
+    endloop
+  endfacet
 endsolid OpenSCAD_Model

diff --git a/examples/board_reprap/src/reprap_gl.c b/examples/board_reprap/src/reprap_gl.c
index aee0353c304091e93d9088a9173add898b6dec77..b11f874e23065a60b9766bd7a0a73b1c2e0a24f3 100644 (file)
--- a/examples/board_reprap/src/reprap_gl.c
+++ b/examples/board_reprap/src/reprap_gl.c
@@ -44,6 +44,7 @@
 #include "c3lines.h"
 #include "c3sphere.h"
 #include "c3program.h"
+#include "c3gl.h"
 
 #include <cairo/cairo.h>
 
@@ -196,241 +197,6 @@ _gl_key_cb(
        }
 }
 
-static void
-_c3_load_program(
-               c3program_p p)
-{
-       if (!p || p->pid || p->log)
-               return;
-
-       printf("%s loading %s\n", __func__, p->name->str);
-       for (int si = 0; si < p->shaders.count && !p->log; si++) {
-               c3shader_p s = &p->shaders.e[si];
-
-               printf("%s compiling shader %s\n", __func__, s->name->str);
-
-               s->sid = (c3apiobject_t)glCreateShader(s->type);
-               const GLchar * pgm = s->shader->str;
-               glShaderSource((GLuint)s->sid, 1, &pgm, NULL);
-
-               glCompileShader((GLuint)s->sid);
-
-               GLint status;
-               glGetShaderiv((GLuint)s->sid, GL_COMPILE_STATUS, &status);
-
-               if (status != GL_FALSE)
-                       continue;
-
-               GLint infoLogLength;
-               glGetShaderiv((GLuint)s->sid, GL_INFO_LOG_LENGTH, &infoLogLength);
-
-               p->log = str_alloc(infoLogLength);
-               glGetShaderInfoLog((GLuint)s->sid, infoLogLength, NULL, p->log->str);
-
-               fprintf(stderr, "%s compile %s: %s\n", __func__, s->name->str, p->log->str);
-               break;
-       }
-       if (p->log)
-               return;
-    p->pid = (c3apiobject_t)glCreateProgram();
-
-       for (int si = 0; si < p->shaders.count && !p->log; si++) {
-               c3shader_p s = &p->shaders.e[si];
-
-       glAttachShader((GLuint)p->pid, (GLuint)s->sid);
-       }
-    glLinkProgram((GLuint)p->pid);
-
-    GLint status;
-    glGetProgramiv((GLuint)p->pid, GL_LINK_STATUS, &status);
-
-       for (int si = 0; si < p->shaders.count && !p->log; si++) {
-               c3shader_p s = &p->shaders.e[si];
-
-               glDetachShader((GLuint)p->pid, (GLuint)s->sid);
-               glDeleteShader((GLuint)s->sid);
-       s->sid = 0;
-       }
-
-    if (status == GL_FALSE) {
-        GLint infoLogLength;
-        glGetProgramiv((GLuint)p->pid, GL_INFO_LOG_LENGTH, &infoLogLength);
-
-               p->log = str_alloc(infoLogLength);
-
-        glGetProgramInfoLog((GLuint)p->pid, infoLogLength, NULL, p->log->str);
-               fprintf(stderr, "%s link %s: %s\n", __func__, p->name->str, p->log->str);
-
-               goto error;
-    }
-    for (int pi = 0; pi < p->params.count; pi++) {
-       c3program_param_p pa = &p->params.e[pi];
-       pa->pid = (c3apiobject_t)glGetUniformLocation((GLuint)p->pid, pa->name->str);
-       printf("%s %s load parameter '%s'\n", __func__, p->name->str, pa->name->str);
-       if (pa->pid == (c3apiobject_t)-1) {
-               fprintf(stderr, "%s %s: parameter '%s' not found\n",
-                               __func__, p->name->str, pa->name->str);
-       }
-    }
-
-    c3program_purge(p);
-    return;
-error:
-       c3program_purge(p);
-       if (p->pid)
-               glDeleteProgram((GLuint)p->pid);
-       p->pid = 0;
-}
-
-static void
-_c3_load_pixels(
-               c3pixels_p pix)
-{
-       GLuint mode = pix->normalize ? GL_TEXTURE_2D : GL_TEXTURE_RECTANGLE_ARB;
-       if (!pix->texture) {
-               printf("%s Creating texture %s %dx%d\n",
-                               __func__, pix->name ? pix->name->str : "", pix->w, pix->h);
-               pix->dirty = 1;
-               GLuint texID = 0;
-               dumpError("cp_gl_texture_load_argb flush");
-               GLCHECK(glEnable(mode));
-
-               glGenTextures(1, &texID);
-//             glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE,
-//                             GL_MODULATE); //set texture environment parameters
-//             dumpError("glTexEnvf");
-
-               glPixelStorei(GL_UNPACK_ROW_LENGTH, pix->row / pix->psize);
-               glTexParameteri(mode, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-               dumpError("GL_TEXTURE_MAG_FILTER");//
-               glTexParameteri(mode, GL_TEXTURE_MIN_FILTER,
-                               pix->normalize ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR);
-               dumpError("GL_TEXTURE_MIN_FILTER");
-               glTexParameteri(mode, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
-               dumpError("GL_TEXTURE_WRAP_S");
-               glTexParameteri(mode, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
-               dumpError("GL_TEXTURE_WRAP_T");
-               if (pix->normalize)
-                       GLCHECK(glTexParameteri(mode, GL_GENERATE_MIPMAP, GL_TRUE));
-       #if 1
-               GLfloat fLargest;
-               glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &fLargest);
-               //printf("fLargest = %f\n", fLargest);
-               GLCHECK(glTexParameterf(mode, GL_TEXTURE_MAX_ANISOTROPY_EXT, fLargest));
-       #endif
-               if (pix->normalize)
-                       GLCHECK(glGenerateMipmap(mode));
-
-               pix->texture = (c3apiobject_t)texID;
-               pix->dirty = 1;
-       }
-       if (pix->dirty) {
-               pix->dirty = 0;
-               GLCHECK(glBindTexture(mode, (GLuint)pix->texture));
-               glTexImage2D(mode, 0,
-                               pix->format == C3PIXEL_A ? GL_ALPHA16 : GL_RGBA8,
-                               pix->w, pix->h, 0,
-                               pix->format == C3PIXEL_A ? GL_ALPHA : GL_BGRA,
-                               GL_UNSIGNED_BYTE,
-                               pix->base);
-               dumpError("glTexImage2D");
-               if (pix->normalize)
-                       GLCHECK(glGenerateMipmap(mode));
-       }
-}
-
-static void
-_c3_geometry_project(
-               c3context_p c,
-               const struct c3driver_context_t * d,
-               c3geometry_p g,
-               c3mat4p m)
-{
-       if (g->mat.texture)
-               _c3_load_pixels(g->mat.texture);
-       if (g->mat.program)
-               _c3_load_program(g->mat.program);
-
-       switch(g->type.type) {
-               case C3_SPHERE_TYPE:
-               case C3_TRIANGLE_TYPE:
-               case C3_LINES_TYPE:
-                       g->type.subtype = (c3apiobject_t)GL_TRIANGLES;
-                       break;
-               case C3_TEXTURE_TYPE: {
-                       if (g->mat.texture)
-                               g->type.subtype = (c3apiobject_t)GL_TRIANGLE_FAN;
-               }       break;
-               default:
-                   break;
-       }
-}
-
-/*
- * Thid id the meta function that draws a c3geometry. It looks for normals,
- * indices, textures and so on and call the glDrawArrays
- */
-static void
-_c3_geometry_draw(
-               c3context_p c,
-               const struct c3driver_context_t *d,
-               c3geometry_p g )
-{
-       glColor4fv(g->mat.color.n);
-       dumpError("glColor");
-//     glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, g->mat.color.n);
-       glVertexPointer(3, GL_FLOAT, 0,
-                       g->projected.count ? g->projected.e : g->vertice.e);
-       glEnableClientState(GL_VERTEX_ARRAY);
-       dumpError("GL_VERTEX_ARRAY");
-       glDisable(GL_TEXTURE_2D);
-       if (g->mat.texture) {
-               GLuint mode = g->mat.texture->normalize ?
-                               GL_TEXTURE_2D : GL_TEXTURE_RECTANGLE_ARB;
-               glEnable(mode);
-               if (g->mat.texture->trace)
-                       printf("%s uses texture %s (%d tex)\n",
-                                       __func__, g->mat.texture->name->str, g->textures.count);
-       //      printf("tex mode %d texture %d\n", g->mat.mode, g->mat.texture);
-               dumpError("glEnable texture");
-               glBindTexture(mode, (GLuint)g->mat.texture->texture);
-               dumpError("glBindTexture");
-               glTexCoordPointer(2, GL_FLOAT, 0, g->textures.e);
-               glEnableClientState(GL_TEXTURE_COORD_ARRAY);
-               dumpError("GL_TEXTURE_COORD_ARRAY");
-       }
-       if (g->mat.program) {
-               GLCHECK(glUseProgram((GLuint)g->mat.program->pid));
-       }
-       if (g->normals.count) {
-               GLCHECK(glNormalPointer(GL_FLOAT, 0, g->normals.e));
-               glEnableClientState(GL_NORMAL_ARRAY);
-       }
-       if (g->indices.count) {
-       //      GLCHECK(glIndexPointer(GL_UNSIGNED_SHORT, 0, g->indices.e));
-       //      glEnableClientState(GL_INDEX_ARRAY);
-               GLCHECK(glDrawElements((GLuint)g->type.subtype,
-                               g->indices.count, GL_UNSIGNED_SHORT,
-                               g->indices.e));
-       //      glDisableClientState(GL_INDEX_ARRAY);
-       } else {
-               glDrawArrays((GLuint)g->type.subtype, 0,
-                       g->projected.count ? g->projected.count : g->vertice.count);
-       }
-       glDisableClientState(GL_VERTEX_ARRAY);
-       glDisableClientState(GL_TEXTURE_COORD_ARRAY);
-       glDisableClientState(GL_NORMAL_ARRAY);
-       if (g->mat.texture)
-               glDisable(g->mat.texture->normalize ? GL_TEXTURE_2D : GL_TEXTURE_RECTANGLE_ARB);
-       if (g->mat.program)
-               glUseProgram(0);
-}
-
-const c3driver_context_t c3context_driver = {
-               .geometry_project = _c3_geometry_project,
-               .geometry_draw = _c3_geometry_draw,
-};
-
 static void
 _gl_display_cb(void)           /* function called whenever redisplay needed */
 {
@@ -616,6 +382,8 @@ _gl_timer_cb(
        glutPostRedisplay();
 }
 
+const c3driver_context_t * c3_driver_list[3] = { NULL, NULL };
+
 int
 gl_init(
                int argc,
@@ -682,11 +450,11 @@ gl_init(
        printf("GL_SHADING_LANGUAGE_VERSION %s = %d\n", glsl, glsl_version);
 
        gl_offscreenInit(_w, _h);
-       //gl_ppProgram();
+
+       c3_driver_list[0] = c3gl_getdriver();
 
     c3 = c3context_new(_w, _h);
-    static const c3driver_context_t * list[] = { &c3context_driver, NULL };
-    c3->driver = list;
+    c3->driver = c3_driver_list;
 
     c3cam_p cam = &c3context_view_get_at(c3, 0)->cam;
        cam->lookat = c3vec3f(100.0, 100.0, 0.0);
@@ -822,7 +590,7 @@ gl_init(
 
 
     hud = c3context_new(_w, _h);
-    hud->driver = list;
+    hud->driver = c3_driver_list;
 
     /*
      * This is the offscreen framebuffer where the 3D scene is drawn