static void
gst_gl_bumper_reset (GstGLFilter * filter)
{
GstGLBumper *bumper_filter = GST_GL_BUMPER (filter);
//blocking call, wait the opengl thread has destroyed the shader
gst_gl_display_del_shader (filter->display, bumper_filter->shader);
}
static gboolean
gst_gl_bumper_init_shader (GstGLFilter * filter)
{
GstGLBumper *bumper = GST_GL_BUMPER (filter);
//blocking call, wait the opengl thread has compiled the shader
return gst_gl_context_gen_shader (filter->context, bumper_v_src, bumper_f_src,
&bumper->shader);
}
static void
gst_gl_bumper_reset (GstGLFilter * filter)
{
GstGLBumper *bumper_filter = GST_GL_BUMPER (filter);
//blocking call, wait the opengl thread has destroyed the shader
if (bumper_filter->shader)
gst_gl_context_del_shader (filter->context, bumper_filter->shader);
bumper_filter->shader = NULL;
}
//Called in the gl thread
static void
gst_gl_bumper_reset_resources (GstGLFilter * filter)
{
GstGLBumper *bumper = GST_GL_BUMPER (filter);
if (bumper->bumpmap) {
glDeleteTextures (1, &bumper->bumpmap);
bumper->bumpmap = 0;
}
}
static void
gst_gl_bumper_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstGLBumper *bumper = GST_GL_BUMPER (object);
switch (prop_id) {
case PROP_LOCATION:
g_value_set_string (value, bumper->location);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_gl_bumper_filter (GstGLFilter * filter, GstGLBuffer * inbuf,
GstGLBuffer * outbuf)
{
gpointer bumper_filter = GST_GL_BUMPER (filter);
//blocking call, use a FBO
gst_gl_display_use_fbo (filter->display, filter->width, filter->height,
filter->fbo, filter->depthbuffer, outbuf->texture, gst_gl_bumper_callback,
inbuf->width, inbuf->height, inbuf->texture,
//bumper_filter->fovy, bumper_filter->aspect, bumper_filter->znear, bumper_filter->zfar,
45, (gdouble) filter->width / (gdouble) filter->height, 0.1, 50,
GST_GL_DISPLAY_PROJECTION_PERSPECTIVE, bumper_filter);
return TRUE;
}
static gboolean
gst_gl_bumper_filter_texture (GstGLFilter * filter, guint in_tex, guint out_tex)
{
gpointer bumper_filter = GST_GL_BUMPER (filter);
//blocking call, use a FBO
gst_gl_context_use_fbo (filter->context,
GST_VIDEO_INFO_WIDTH (&filter->out_info),
GST_VIDEO_INFO_HEIGHT (&filter->out_info),
filter->fbo, filter->depthbuffer, out_tex, gst_gl_bumper_callback,
GST_VIDEO_INFO_WIDTH (&filter->in_info),
GST_VIDEO_INFO_HEIGHT (&filter->in_info),
in_tex, 45,
(gdouble) GST_VIDEO_INFO_WIDTH (&filter->out_info) /
(gdouble) GST_VIDEO_INFO_HEIGHT (&filter->out_info), 0.1, 50,
GST_GL_DISPLAY_PROJECTION_PERSPECTIVE, bumper_filter);
return TRUE;
}
//opengl scene, params: input texture (not the output filter->texture)
static void
gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
{
static GLfloat xrot = 0;
static GLfloat yrot = 0;
static GLfloat zrot = 0;
GstGLFuncs *gl;
GstGLBumper *bumper = GST_GL_BUMPER (stuff);
GstGLContext *context = GST_GL_FILTER (bumper)->context;
GLint locTangent = 0;
//choose the lights
GLfloat light_direction0[] = { 1.0, 0.0, -1.0, 0.0 }; // light goes along -x
GLfloat light_direction1[] = { -1.0, 0.0, -1.0, 0.0 }; // light goes along x
GLfloat light_diffuse0[] = { 1.0, 1.0, 1.0, 1.0 };
GLfloat light_diffuse1[] = { 1.0, 1.0, 1.0, 1.0 };
GLfloat mat_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
/* *INDENT-OFF* */
MeshData mesh[] = {
/* | Vertex | Normal |TexCoord0|TexCoord1| VertexAttrib | */
/*F*/ { 1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0},
/*r*/ { 1.0, -1.0, -1.0, 0.0, 0.0, -1.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0},
/*o*/ {-1.0, -1.0, -1.0, 0.0, 0.0, -1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0},
{-1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0},
/*R*/ {-1.0, 1.0, -1.0, -1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0},
/*i*/ {-1.0, -1.0, -1.0, -1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0},
/*g*/ {-1.0, -1.0, 1.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0},
{-1.0, 1.0, 1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0},
/*B*/ {-1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0},
/*a*/ {-1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0},
/*c*/ { 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0},
{ 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0},
/*L*/ { 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0},
/*e*/ { 1.0, -1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0},
/*f*/ { 1.0, -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0},
{ 1.0, 1.0, -1.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0},
/*T*/ { 1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0},
/*o*/ { 1.0, 1.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0},
/*p*/ {-1.0, 1.0, -1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0},
{-1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0},
/*B*/ { 1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -1.0},
/*o*/ { 1.0, -1.0, 1.0, 0.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 0.0, -1.0},
/*t*/ {-1.0, -1.0, 1.0, 0.0, -1.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, -1.0},
{-1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, -1.0},
};
GLushort indices[] = {
0, 1, 2,
0, 2, 3,
4, 5, 6,
4, 6, 7,
8, 9, 10,
8, 10, 11,
12, 13, 14,
12, 14, 15,
16, 17, 18,
16, 18, 19,
20, 21, 22,
20, 22, 23
};
/* *INDENT-ON* */
gl = GST_GL_FILTER (bumper)->context->gl_vtable;
//eye point
gl->MatrixMode (GL_PROJECTION);
gluLookAt (0.0, 0.0, -6.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
gl->MatrixMode (GL_MODELVIEW);
//scene conf
gl->Enable (GL_DEPTH_TEST);
gl->DepthFunc (GL_LEQUAL);
gl->Hint (GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
gl->ShadeModel (GL_SMOOTH);
//set the lights
gl->Lightfv (GL_LIGHT0, GL_POSITION, light_direction0);
gl->Lightfv (GL_LIGHT0, GL_DIFFUSE, light_diffuse0);
gl->Lightfv (GL_LIGHT1, GL_POSITION, light_direction1);
gl->Lightfv (GL_LIGHT1, GL_DIFFUSE, light_diffuse1);
gl->Materialfv (GL_FRONT, GL_DIFFUSE, mat_diffuse);
gl->ColorMaterial (GL_FRONT_AND_BACK, GL_DIFFUSE);
gl->Enable (GL_COLOR_MATERIAL);
gl->Enable (GL_LIGHTING);
gl->Enable (GL_LIGHT0);
gl->Enable (GL_LIGHT1);
//configure shader
gst_gl_shader_use (bumper->shader);
locTangent =
gst_gl_shader_get_attribute_location (bumper->shader, "aTangent");
//set the normal map
gl->ActiveTexture (GL_TEXTURE1);
gst_gl_shader_set_uniform_1i (bumper->shader, "texture1", 1);
gl->BindTexture (GL_TEXTURE_2D, bumper->bumpmap);
//set the video texture
gl->ActiveTexture (GL_TEXTURE0);
gst_gl_shader_set_uniform_1i (bumper->shader, "texture0", 0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->Rotatef (xrot, 1.0f, 0.0f, 0.0f);
gl->Rotatef (yrot, 0.0f, 1.0f, 0.0f);
gl->Rotatef (zrot, 0.0f, 0.0f, 1.0f);
gl->EnableVertexAttribArray (locTangent);
gl->ClientActiveTexture (GL_TEXTURE0);
gl->EnableClientState (GL_TEXTURE_COORD_ARRAY);
gl->EnableClientState (GL_VERTEX_ARRAY);
gl->EnableClientState (GL_NORMAL_ARRAY);
gl->VertexAttribPointer (locTangent, 3, GL_FLOAT, 0, sizeof (MeshData),
&mesh[0].va0);
gl->VertexPointer (3, GL_FLOAT, sizeof (MeshData), &mesh[0].x);
gl->NormalPointer (GL_FLOAT, sizeof (MeshData), &mesh[0].nx);
gl->TexCoordPointer (2, GL_FLOAT, sizeof (MeshData), &mesh[0].s0);
gl->ClientActiveTexture (GL_TEXTURE1);
gl->EnableClientState (GL_TEXTURE_COORD_ARRAY);
gl->TexCoordPointer (2, GL_FLOAT, sizeof (MeshData), &mesh[0].s1);
gl->DrawElements (GL_TRIANGLES, 36, GL_UNSIGNED_SHORT, indices);
gl->DisableClientState (GL_VERTEX_ARRAY);
gl->DisableClientState (GL_TEXTURE_COORD_ARRAY);
gl->DisableClientState (GL_NORMAL_ARRAY);
gl->ClientActiveTexture (GL_TEXTURE0);
gl->DisableClientState (GL_TEXTURE_COORD_ARRAY);
gl->DisableVertexAttribArray (locTangent);
gst_gl_context_clear_shader (context);
gl->Disable (GL_LIGHT0);
gl->Disable (GL_LIGHT1);
gl->Disable (GL_LIGHTING);
gl->Disable (GL_COLOR_MATERIAL);
xrot += 1.0f;
yrot += 0.9f;
zrot += 0.6f;
}
//Called in the gl thread
static void
gst_gl_bumper_init_resources (GstGLFilter * filter)
{
GstGLBumper *bumper = GST_GL_BUMPER (filter);
GstGLContext *context = filter->context;
const GstGLFuncs *gl = context->gl_vtable;
png_structp png_ptr;
png_infop info_ptr;
png_uint_32 width = 0;
png_uint_32 height = 0;
gint bit_depth = 0;
gint color_type = 0;
gint interlace_type = 0;
png_FILE_p fp = NULL;
guint y = 0;
guchar *raw_data = NULL;
guchar **rows = NULL;
png_byte magic[8];
gint n_read;
if (!bumper->location) {
gst_gl_context_set_error (context, "A filename is required");
return;
}
/* BEGIN load png image file */
if ((fp = fopen (bumper->location, "rb")) == NULL)
LOAD_ERROR (context, "file not found");
/* Read magic number */
n_read = fread (magic, 1, sizeof (magic), fp);
if (n_read != sizeof (magic)) {
fclose (fp);
LOAD_ERROR (context, "can't read PNG magic number");
}
/* Check for valid magic number */
if (png_sig_cmp (magic, 0, sizeof (magic))) {
fclose (fp);
LOAD_ERROR (context, "not a valid PNG image");
}
png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if (png_ptr == NULL) {
fclose (fp);
LOAD_ERROR (context, "failed to initialize the png_struct");
}
png_set_error_fn (png_ptr, NULL, NULL, user_warning_fn);
info_ptr = png_create_info_struct (png_ptr);
if (info_ptr == NULL) {
fclose (fp);
png_destroy_read_struct (&png_ptr, png_infopp_NULL, png_infopp_NULL);
LOAD_ERROR (context,
"failed to initialize the memory for image information");
}
png_init_io (png_ptr, fp);
png_set_sig_bytes (png_ptr, sizeof (magic));
png_read_info (png_ptr, info_ptr);
png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
&interlace_type, int_p_NULL, int_p_NULL);
if (color_type != PNG_COLOR_TYPE_RGB) {
fclose (fp);
png_destroy_read_struct (&png_ptr, png_infopp_NULL, png_infopp_NULL);
LOAD_ERROR (context, "color type is not rgb");
}
raw_data = (guchar *) malloc (sizeof (guchar) * width * height * 3);
rows = (guchar **) malloc (sizeof (guchar *) * height);
for (y = 0; y < height; ++y)
rows[y] = (guchar *) (raw_data + y * width * 3);
png_read_image (png_ptr, rows);
free (rows);
png_read_end (png_ptr, info_ptr);
png_destroy_read_struct (&png_ptr, &info_ptr, png_infopp_NULL);
fclose (fp);
/* END load png image file */
bumper->bumpmap_width = width;
bumper->bumpmap_height = height;
gl->GenTextures (1, &bumper->bumpmap);
gl->BindTexture (GL_TEXTURE_2D, bumper->bumpmap);
gl->TexImage2D (GL_TEXTURE_2D, 0, GL_RGBA,
bumper->bumpmap_width, bumper->bumpmap_height, 0,
GL_RGB, GL_UNSIGNED_BYTE, raw_data);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
free (raw_data);
}
//opengl scene, params: input texture (not the output filter->texture)
static void
gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
{
static GLfloat xrot = 0;
static GLfloat yrot = 0;
static GLfloat zrot = 0;
GstGLBumper *bumper = GST_GL_BUMPER (stuff);
GLint locTangent = 0;
//choose the lights
GLfloat light_direction0[] = { 1.0, 0.0, -1.0, 0.0 }; // light goes along -x
GLfloat light_direction1[] = { -1.0, 0.0, -1.0, 0.0 }; // light goes along x
GLfloat light_diffuse0[] = { 1.0, 1.0, 1.0, 1.0 };
GLfloat light_diffuse1[] = { 1.0, 1.0, 1.0, 1.0 };
GLfloat mat_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
//eye point
glMatrixMode (GL_PROJECTION);
gluLookAt (0.0, 0.0, -6.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
glMatrixMode (GL_MODELVIEW);
//scene conf
glEnable (GL_DEPTH_TEST);
glDepthFunc (GL_LEQUAL);
glHint (GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
glShadeModel (GL_SMOOTH);
//set the lights
glLightfv (GL_LIGHT0, GL_POSITION, light_direction0);
glLightfv (GL_LIGHT0, GL_DIFFUSE, light_diffuse0);
glLightfv (GL_LIGHT1, GL_POSITION, light_direction1);
glLightfv (GL_LIGHT1, GL_DIFFUSE, light_diffuse1);
glMaterialfv (GL_FRONT, GL_DIFFUSE, mat_diffuse);
glColorMaterial (GL_FRONT_AND_BACK, GL_DIFFUSE);
glEnable (GL_COLOR_MATERIAL);
glEnable (GL_LIGHTING);
glEnable (GL_LIGHT0);
glEnable (GL_LIGHT1);
//configure shader
gst_gl_shader_use (bumper->shader);
locTangent =
gst_gl_shader_get_attribute_location (bumper->shader, "aTangent");
//set the normal map
glActiveTextureARB (GL_TEXTURE1_ARB);
gst_gl_shader_set_uniform_1i (bumper->shader, "texture1", 1);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, bumper->bumpmap);
//set the video texture
glActiveTextureARB (GL_TEXTURE0_ARB);
gst_gl_shader_set_uniform_1i (bumper->shader, "texture0", 0);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
//glTranslatef(2.0f, 2.0f, 5.0f);
glRotatef (xrot, 1.0f, 0.0f, 0.0f);
glRotatef (yrot, 0.0f, 1.0f, 0.0f);
glRotatef (zrot, 0.0f, 0.0f, 1.0f);
//Cube
glBegin (GL_QUADS);
// front face
glNormal3d (0.0, 0.0, -1.0);
glVertexAttrib3dARB (locTangent, 0.0, 1.0, 0.0);
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, 0.0);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, 0.0);
glVertex3d (1.0, 1.0, -1.0); // B
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, height);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, bumper->bumpmap_height);
glVertex3d (1.0, -1.0, -1.0); // A
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, height);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width,
bumper->bumpmap_height);
glVertex3d (-1.0, -1.0, -1.0); // D
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, 0.0);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width, 0.0);
glVertex3d (-1.0, 1.0, -1.0); // C
// right face
glNormal3d (-1.0, 0.0, 0.0);
glVertexAttrib3dARB (locTangent, 0.0, 1.0, 0.0);
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, 0.0);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, 0.0);
glVertex3d (-1.0, 1.0, -1.0); // C
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, height);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, bumper->bumpmap_height);
glVertex3d (-1.0, -1.0, -1.0); // D
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, height);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width,
bumper->bumpmap_height);
glVertex3d (-1.0, -1.0, 1.0); // H
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, 0.0);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width, 0.0);
glVertex3d (-1.0, 1.0, 1.0); // G
// back face
glNormal3d (0.0, 0.0, 1.0);
glVertexAttrib3dARB (locTangent, 0.0, 1.0, 0.0);
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, 0.0);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, 0.0);
glVertex3d (-1.0, 1.0, 1.0); // G
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, height);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, bumper->bumpmap_height);
glVertex3d (-1.0, -1.0, 1.0); // H
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, height);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width,
bumper->bumpmap_height);
glVertex3d (1.0, -1.0, 1.0); // E
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, 0.0);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width, 0.0);
glVertex3d (1.0, 1.0, 1.0); // F
// left face
glNormal3d (1.0, 0.0, 0.0);
glVertexAttrib3dARB (locTangent, 0.0, 1.0, 0.0);
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, 0.0);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, 0.0);
glVertex3d (1.0, 1.0, 1.0); // F
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, height);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, bumper->bumpmap_height);
glVertex3d (1.0, -1.0, 1.0); // E
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, height);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width,
bumper->bumpmap_height);
glVertex3d (1.0, -1.0, -1.0); // A
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, 0.0);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width, 0.0);
glVertex3d (1.0, 1.0, -1.0); // B
// top face
glNormal3d (0.0, 1.0, 0.0);
glVertexAttrib3dARB (locTangent, 0.0, 0.0, 1.0);
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, 0.0);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, 0.0);
glVertex3d (1.0, 1.0, 1.0); // F
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, height);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, bumper->bumpmap_height);
glVertex3d (1.0, 1.0, -1.0); // B
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, height);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width,
bumper->bumpmap_height);
glVertex3d (-1.0, 1.0, -1.0); // C
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, 0.0);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width, 0.0);
glVertex3d (-1.0, 1.0, 1.0); // G
// bottom face
glNormal3d (0.0, -1.0, 0.0);
glVertexAttrib3dARB (locTangent, 0.0, 0.0, -1.0);
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, 0.0);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, 0.0);
glVertex3d (1.0, -1.0, -1.0); // A
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, height);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, bumper->bumpmap_height);
glVertex3d (1.0, -1.0, 1.0); // E
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, height);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width,
bumper->bumpmap_height);
glVertex3d (-1.0, -1.0, 1.0); // H
glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, 0.0);
glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width, 0.0);
glVertex3d (-1.0, -1.0, -1.0); // D
glEnd ();
glUseProgram (0);
glDisable (GL_LIGHT0);
glDisable (GL_LIGHT1);
glDisable (GL_LIGHTING);
glDisable (GL_COLOR_MATERIAL);
xrot += 1.0f;
yrot += 0.9f;
zrot += 1.1f;
}
