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[652/906] bumper: port to non-GLEW + arrays

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This commit is contained in:
Matthew Waters 2013-01-17 23:14:49 +11:00
parent 6bee1ffdd3
commit 3ceb7949a8
2 changed files with 82 additions and 168 deletions
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7
gst-libs/gst/gl/glprototypes/opengl.h
View file

@ -131,6 +131,7 @@ GST_GL_EXT_FUNCTION (void, ProgramLocalParameter4fv,
GLfloat *params)) GLfloat *params))
GST_GL_EXT_END () GST_GL_EXT_END ()
/* Eventually we want to remove this category */
GST_GL_EXT_BEGIN (fixed_function_gl_only, GST_GL_EXT_BEGIN (fixed_function_gl_only,
0, 0, 0, 0,
0, 0,
@ -151,4 +152,10 @@ GST_GL_EXT_FUNCTION (void, TexImage1D,
const GLvoid *data)) const GLvoid *data))
GST_GL_EXT_FUNCTION (void, Rotatef, GST_GL_EXT_FUNCTION (void, Rotatef,
(GLfloat angle, GLfloat x, GLfloat y, GLfloat z)) (GLfloat angle, GLfloat x, GLfloat y, GLfloat z))
GST_GL_EXT_FUNCTION (void, Lightfv,
(GLenum light, GLenum pname, const GLfloat *params))
GST_GL_EXT_FUNCTION (void, ColorMaterial,
(GLenum face, GLenum pname))
GST_GL_EXT_FUNCTION (void, ShadeModel,
(GLenum value))
GST_GL_EXT_END () GST_GL_EXT_END ()

243
gst/gl/gstglbumper.c
View file

@ -374,6 +374,15 @@ gst_gl_bumper_filter_texture (GstGLFilter * filter, guint in_tex, guint out_tex)
return TRUE; return TRUE;
} }
typedef struct _MeshData
{
float x, y, z; /* Vertex */
float nx, ny, nz; /* Normal */
float s0, t0; /* TexCoord0 */
float s1, t1; /* TexCoord1 */
float va0, vb0, vc0; /* VertexAttrib */
} MeshData;
//opengl scene, params: input texture (not the output filter->texture) //opengl scene, params: input texture (not the output filter->texture)
static void static void
gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff) gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
@ -385,39 +394,51 @@ gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
GstGLFuncs *gl; GstGLFuncs *gl;
GstGLBumper *bumper = GST_GL_BUMPER (stuff); GstGLBumper *bumper = GST_GL_BUMPER (stuff);
GstGLDisplay *display = GST_GL_FILTER (bumper)->display; GstGLDisplay *display = GST_GL_FILTER (bumper)->display;
// GLint locTangent = 0; GLint locTangent = 0;
#if 0
//choose the lights //choose the lights
GLfloat light_direction0[] = { 1.0, 0.0, -1.0, 0.0 }; // light goes along -x 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_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_diffuse0[] = { 1.0, 1.0, 1.0, 1.0 };
GLfloat light_diffuse1[] = { 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 }; GLfloat mat_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
#endif
gfloat verts_front[12] = { /* image size */
1.0, 1.0, -1.0, gfloat i_w = (gfloat) width;
1.0, -1.0, -1.0, gfloat i_h = (gfloat) height;
-1.0, -1.0, -1.0, /* bumpmap size */
-1.0, 1.0, -1.0 gfloat b_w = (gfloat) bumper->bumpmap_width;
}; gfloat b_h = (gfloat) bumper->bumpmap_height;
gfloat texcoords0_front[8] = {
0.0, 0.0, /* *INDENT-OFF* */
0.0, height, MeshData mesh[] = {
width, height, /* | Vertex | Normal |TexCoord0|TexCoord1| VertexAttrib | */
width, 0.0 /*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, i_w, 0.0, b_w, 0.0, 0.0, 1.0, 0.0},
gfloat texcoords1_front[8] = { /*o*/ {-1.0, -1.0, -1.0, 0.0, 0.0, -1.0, i_w, i_h, b_w, b_h, 0.0, 1.0, 0.0},
0.0, 0.0, {-1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 0.0, i_h, 0.0, b_h, 0.0, 1.0, 0.0},
0.0, bumper->bumpmap_height, /*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},
bumper->bumpmap_width, bumper->bumpmap_height, /*i*/ {-1.0, -1.0, -1.0, -1.0, 0.0, 0.0, i_w, 0.0, b_w, 0.0, 0.0, 1.0, 0.0},
bumper->bumpmap_width, 0.0 /*g*/ {-1.0, -1.0, 1.0, -1.0, 0.0, 0.0, i_w, i_h, b_w, b_h, 0.0, 1.0, 0.0},
}; {-1.0, 1.0, 1.0, -1.0, 0.0, 0.0, 0.0, i_h, 0.0, b_h, 0.0, 1.0, 0.0},
gfloat normal_front[12] = { /*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},
0.0, 0.0, -1.0, /*a*/ {-1.0, -1.0, 1.0, 0.0, 0.0, 1.0, i_w, 0.0, b_w, 0.0, 0.0, 1.0, 0.0},
0.0, 0.0, -1.0, /*c*/ { 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, i_w, i_h, b_w, b_h, 0.0, 1.0, 0.0},
0.0, 0.0, -1.0, { 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, i_h, 0.0, b_h, 0.0, 1.0, 0.0},
0.0, 0.0, -1.0 /*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, i_w, 0.0, b_w, 0.0, 0.0, 1.0, 0.0},
/*f*/ { 1.0, -1.0, -1.0, 1.0, 0.0, 0.0, i_w, i_h, b_w, b_h, 0.0, 1.0, 0.0},
{ 1.0, 1.0, -1.0, 1.0, 0.0, 0.0, 0.0, i_h, 0.0, b_h, 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, i_w, 0.0, b_w, 0.0, 0.0, 0.0, 1.0},
/*p*/ {-1.0, 1.0, -1.0, 0.0, 1.0, 0.0, i_w, i_h, b_w, b_h, 0.0, 0.0, 1.0},
{-1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0, i_h, 0.0, b_h, 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, i_w, 0.0, b_w, 0.0, 0.0, 0.0, -1.0},
/*t*/ {-1.0, -1.0, 1.0, 0.0, -1.0, 0.0, i_w, i_h, b_w, b_h, 0.0, 0.0, -1.0},
{-1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 0.0, i_h, 0.0, b_h, 0.0, 0.0, -1.0},
}; };
/* *INDENT-ON* */
gl = GST_GL_FILTER (bumper)->display->gl_vtable; gl = GST_GL_FILTER (bumper)->display->gl_vtable;
@ -430,25 +451,24 @@ gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
gl->Enable (GL_DEPTH_TEST); gl->Enable (GL_DEPTH_TEST);
gl->DepthFunc (GL_LEQUAL); gl->DepthFunc (GL_LEQUAL);
gl->Hint (GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); gl->Hint (GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
#if 0
glShadeModel (GL_SMOOTH); gl->ShadeModel (GL_SMOOTH);
//set the lights //set the lights
glLightfv (GL_LIGHT0, GL_POSITION, light_direction0); gl->Lightfv (GL_LIGHT0, GL_POSITION, light_direction0);
glLightfv (GL_LIGHT0, GL_DIFFUSE, light_diffuse0); gl->Lightfv (GL_LIGHT0, GL_DIFFUSE, light_diffuse0);
glLightfv (GL_LIGHT1, GL_POSITION, light_direction1); gl->Lightfv (GL_LIGHT1, GL_POSITION, light_direction1);
glLightfv (GL_LIGHT1, GL_DIFFUSE, light_diffuse1); gl->Lightfv (GL_LIGHT1, GL_DIFFUSE, light_diffuse1);
glMaterialfv (GL_FRONT, GL_DIFFUSE, mat_diffuse); gl->Materialfv (GL_FRONT, GL_DIFFUSE, mat_diffuse);
glColorMaterial (GL_FRONT_AND_BACK, GL_DIFFUSE); gl->ColorMaterial (GL_FRONT_AND_BACK, GL_DIFFUSE);
glEnable (GL_COLOR_MATERIAL); gl->Enable (GL_COLOR_MATERIAL);
glEnable (GL_LIGHTING); gl->Enable (GL_LIGHTING);
glEnable (GL_LIGHT0); gl->Enable (GL_LIGHT0);
glEnable (GL_LIGHT1); gl->Enable (GL_LIGHT1);
#endif
//configure shader //configure shader
gst_gl_shader_use (bumper->shader); gst_gl_shader_use (bumper->shader);
// locTangent = locTangent =
// gst_gl_shader_get_attribute_location (bumper->shader, "aTangent"); gst_gl_shader_get_attribute_location (bumper->shader, "aTangent");
//set the normal map //set the normal map
gl->ActiveTexture (GL_TEXTURE1); gl->ActiveTexture (GL_TEXTURE1);
@ -460,35 +480,29 @@ gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
gst_gl_shader_set_uniform_1i (bumper->shader, "texture0", 0); gst_gl_shader_set_uniform_1i (bumper->shader, "texture0", 0);
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, texture); gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
//glTranslatef(2.0f, 2.0f, 5.0f);
gl->Rotatef (xrot, 1.0f, 0.0f, 0.0f); gl->Rotatef (xrot, 1.0f, 0.0f, 0.0f);
gl->Rotatef (yrot, 0.0f, 1.0f, 0.0f); gl->Rotatef (yrot, 0.0f, 1.0f, 0.0f);
gl->Rotatef (zrot, 0.0f, 0.0f, 1.0f); gl->Rotatef (zrot, 0.0f, 0.0f, 1.0f);
gl->EnableVertexAttribArray (locTangent);
gl->Clear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
// glVertexAttrib3d (locTangent, 0.0, 1.0, 0.0);
gl->VertexPointer (2, GL_FLOAT, 0, &verts_front);
gl->TexCoordPointer (2, GL_FLOAT, 0, &texcoords0_front);
gl->NormalPointer (GL_FLOAT, 0, &normal_front);
gl->ClientActiveTexture (GL_TEXTURE0); gl->ClientActiveTexture (GL_TEXTURE0);
gl->EnableClientState (GL_TEXTURE_COORD_ARRAY); gl->EnableClientState (GL_TEXTURE_COORD_ARRAY);
gl->EnableClientState (GL_VERTEX_ARRAY); gl->EnableClientState (GL_VERTEX_ARRAY);
gl->EnableClientState (GL_NORMAL_ARRAY); gl->EnableClientState (GL_NORMAL_ARRAY);
gl->ClientActiveTexture (GL_TEXTURE1);
gl->TexCoordPointer (2, GL_FLOAT, 0, &texcoords1_front);
gl->EnableClientState (GL_TEXTURE_COORD_ARRAY);
gl->EnableClientState (GL_VERTEX_ARRAY);
gl->EnableClientState (GL_NORMAL_ARRAY);
gl->DrawArrays (GL_TRIANGLE_FAN, 0, 4); 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->DrawArrays (GL_QUADS, 0, 24);
gl->DisableClientState (GL_VERTEX_ARRAY); gl->DisableClientState (GL_VERTEX_ARRAY);
gl->DisableClientState (GL_TEXTURE_COORD_ARRAY); gl->DisableClientState (GL_TEXTURE_COORD_ARRAY);
@ -497,115 +511,8 @@ gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
gl->ClientActiveTexture (GL_TEXTURE0); gl->ClientActiveTexture (GL_TEXTURE0);
gl->DisableClientState (GL_TEXTURE_COORD_ARRAY); gl->DisableClientState (GL_TEXTURE_COORD_ARRAY);
#if 0 gl->DisableVertexAttribArray (locTangent);
//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
#endif
#if 0
// 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 ();
#endif
gst_gl_display_clear_shader (display); gst_gl_display_clear_shader (display);
gl->Disable (GL_LIGHT0); gl->Disable (GL_LIGHT0);
@ -615,5 +522,5 @@ gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
xrot += 1.0f; xrot += 1.0f;
yrot += 0.9f; yrot += 0.9f;
zrot += 1.1f; zrot += 0.6f;
} }