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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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[652/906] bumper: port to non-GLEW + arrays
This commit is contained in:
Matthew Waters
parent
6bee1ffdd3
commit
3ceb7949a8
2 changed files with 82 additions and 168 deletions
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@ -131,6 +131,7 @@ GST_GL_EXT_FUNCTION (void, ProgramLocalParameter4fv,
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GLfloat *params))
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GST_GL_EXT_END ()
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/* Eventually we want to remove this category */
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GST_GL_EXT_BEGIN (fixed_function_gl_only,
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0, 0,
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0,
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@ -151,4 +152,10 @@ GST_GL_EXT_FUNCTION (void, TexImage1D,
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const GLvoid *data))
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GST_GL_EXT_FUNCTION (void, Rotatef,
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(GLfloat angle, GLfloat x, GLfloat y, GLfloat z))
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GST_GL_EXT_FUNCTION (void, Lightfv,
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(GLenum light, GLenum pname, const GLfloat *params))
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GST_GL_EXT_FUNCTION (void, ColorMaterial,
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(GLenum face, GLenum pname))
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GST_GL_EXT_FUNCTION (void, ShadeModel,
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(GLenum value))
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GST_GL_EXT_END ()
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@ -374,6 +374,15 @@ gst_gl_bumper_filter_texture (GstGLFilter * filter, guint in_tex, guint out_tex)
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return TRUE;
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}
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typedef struct _MeshData
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{
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float x, y, z; /* Vertex */
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float nx, ny, nz; /* Normal */
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float s0, t0; /* TexCoord0 */
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float s1, t1; /* TexCoord1 */
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float va0, vb0, vc0; /* VertexAttrib */
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} MeshData;
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//opengl scene, params: input texture (not the output filter->texture)
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static void
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gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
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@ -385,39 +394,51 @@ gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
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GstGLFuncs *gl;
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GstGLBumper *bumper = GST_GL_BUMPER (stuff);
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GstGLDisplay *display = GST_GL_FILTER (bumper)->display;
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// GLint locTangent = 0;
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#if 0
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GLint locTangent = 0;
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//choose the lights
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GLfloat light_direction0[] = { 1.0, 0.0, -1.0, 0.0 }; // light goes along -x
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GLfloat light_direction1[] = { -1.0, 0.0, -1.0, 0.0 }; // light goes along x
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GLfloat light_diffuse0[] = { 1.0, 1.0, 1.0, 1.0 };
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GLfloat light_diffuse1[] = { 1.0, 1.0, 1.0, 1.0 };
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GLfloat mat_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
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#endif
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gfloat verts_front[12] = {
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1.0, 1.0, -1.0,
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1.0, -1.0, -1.0,
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-1.0, -1.0, -1.0,
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-1.0, 1.0, -1.0
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};
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gfloat texcoords0_front[8] = {
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0.0, 0.0,
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0.0, height,
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width, height,
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width, 0.0
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};
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gfloat texcoords1_front[8] = {
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0.0, 0.0,
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0.0, bumper->bumpmap_height,
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bumper->bumpmap_width, bumper->bumpmap_height,
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bumper->bumpmap_width, 0.0
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};
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gfloat normal_front[12] = {
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0.0, 0.0, -1.0,
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0.0, 0.0, -1.0,
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0.0, 0.0, -1.0,
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0.0, 0.0, -1.0
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/* image size */
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gfloat i_w = (gfloat) width;
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gfloat i_h = (gfloat) height;
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/* bumpmap size */
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gfloat b_w = (gfloat) bumper->bumpmap_width;
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gfloat b_h = (gfloat) bumper->bumpmap_height;
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/* *INDENT-OFF* */
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MeshData mesh[] = {
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/* | Vertex | Normal |TexCoord0|TexCoord1| VertexAttrib | */
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/*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},
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/*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},
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/*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},
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{-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},
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/*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},
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/*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},
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/*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},
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{-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},
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/*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},
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/*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},
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/*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},
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{ 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},
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/*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},
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/*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},
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/*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},
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{ 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},
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/*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},
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/*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},
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/*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},
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{-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},
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/*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},
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/*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},
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/*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},
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{-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},
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};
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/* *INDENT-ON* */
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gl = GST_GL_FILTER (bumper)->display->gl_vtable;
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@ -430,25 +451,24 @@ gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
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gl->Enable (GL_DEPTH_TEST);
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gl->DepthFunc (GL_LEQUAL);
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gl->Hint (GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
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#if 0
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glShadeModel (GL_SMOOTH);
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gl->ShadeModel (GL_SMOOTH);
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//set the lights
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glLightfv (GL_LIGHT0, GL_POSITION, light_direction0);
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glLightfv (GL_LIGHT0, GL_DIFFUSE, light_diffuse0);
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glLightfv (GL_LIGHT1, GL_POSITION, light_direction1);
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glLightfv (GL_LIGHT1, GL_DIFFUSE, light_diffuse1);
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glMaterialfv (GL_FRONT, GL_DIFFUSE, mat_diffuse);
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glColorMaterial (GL_FRONT_AND_BACK, GL_DIFFUSE);
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glEnable (GL_COLOR_MATERIAL);
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glEnable (GL_LIGHTING);
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glEnable (GL_LIGHT0);
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glEnable (GL_LIGHT1);
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#endif
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gl->Lightfv (GL_LIGHT0, GL_POSITION, light_direction0);
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gl->Lightfv (GL_LIGHT0, GL_DIFFUSE, light_diffuse0);
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gl->Lightfv (GL_LIGHT1, GL_POSITION, light_direction1);
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gl->Lightfv (GL_LIGHT1, GL_DIFFUSE, light_diffuse1);
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gl->Materialfv (GL_FRONT, GL_DIFFUSE, mat_diffuse);
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gl->ColorMaterial (GL_FRONT_AND_BACK, GL_DIFFUSE);
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gl->Enable (GL_COLOR_MATERIAL);
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gl->Enable (GL_LIGHTING);
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gl->Enable (GL_LIGHT0);
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gl->Enable (GL_LIGHT1);
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//configure shader
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gst_gl_shader_use (bumper->shader);
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// locTangent =
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// gst_gl_shader_get_attribute_location (bumper->shader, "aTangent");
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locTangent =
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gst_gl_shader_get_attribute_location (bumper->shader, "aTangent");
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//set the normal map
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gl->ActiveTexture (GL_TEXTURE1);
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@ -460,35 +480,29 @@ gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
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gst_gl_shader_set_uniform_1i (bumper->shader, "texture0", 0);
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gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
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//glTranslatef(2.0f, 2.0f, 5.0f);
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gl->Rotatef (xrot, 1.0f, 0.0f, 0.0f);
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gl->Rotatef (yrot, 0.0f, 1.0f, 0.0f);
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gl->Rotatef (zrot, 0.0f, 0.0f, 1.0f);
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gl->EnableVertexAttribArray (locTangent);
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gl->Clear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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gl->MatrixMode (GL_PROJECTION);
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gl->LoadIdentity ();
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// glVertexAttrib3d (locTangent, 0.0, 1.0, 0.0);
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gl->VertexPointer (2, GL_FLOAT, 0, &verts_front);
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gl->TexCoordPointer (2, GL_FLOAT, 0, &texcoords0_front);
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gl->NormalPointer (GL_FLOAT, 0, &normal_front);
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gl->ClientActiveTexture (GL_TEXTURE0);
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gl->EnableClientState (GL_TEXTURE_COORD_ARRAY);
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gl->EnableClientState (GL_VERTEX_ARRAY);
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gl->EnableClientState (GL_NORMAL_ARRAY);
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gl->ClientActiveTexture (GL_TEXTURE1);
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gl->TexCoordPointer (2, GL_FLOAT, 0, &texcoords1_front);
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gl->EnableClientState (GL_TEXTURE_COORD_ARRAY);
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gl->EnableClientState (GL_VERTEX_ARRAY);
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gl->EnableClientState (GL_NORMAL_ARRAY);
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gl->DrawArrays (GL_TRIANGLE_FAN, 0, 4);
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gl->VertexAttribPointer (locTangent, 3, GL_FLOAT, 0, sizeof (MeshData),
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&mesh[0].va0);
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gl->VertexPointer (3, GL_FLOAT, sizeof (MeshData), &mesh[0].x);
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gl->NormalPointer (GL_FLOAT, sizeof (MeshData), &mesh[0].nx);
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gl->TexCoordPointer (2, GL_FLOAT, sizeof (MeshData), &mesh[0].s0);
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gl->ClientActiveTexture (GL_TEXTURE1);
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gl->EnableClientState (GL_TEXTURE_COORD_ARRAY);
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gl->TexCoordPointer (2, GL_FLOAT, sizeof (MeshData), &mesh[0].s1);
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gl->DrawArrays (GL_QUADS, 0, 24);
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gl->DisableClientState (GL_VERTEX_ARRAY);
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gl->DisableClientState (GL_TEXTURE_COORD_ARRAY);
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@ -497,115 +511,8 @@ gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
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gl->ClientActiveTexture (GL_TEXTURE0);
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gl->DisableClientState (GL_TEXTURE_COORD_ARRAY);
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#if 0
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//Cube
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glBegin (GL_QUADS);
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gl->DisableVertexAttribArray (locTangent);
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// front face
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glNormal3d (0.0, 0.0, -1.0);
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glVertexAttrib3dARB (locTangent, 0.0, 1.0, 0.0);
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, 0.0);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, 0.0);
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glVertex3d (1.0, 1.0, -1.0); // B
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, height);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, bumper->bumpmap_height);
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glVertex3d (1.0, -1.0, -1.0); // A
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, height);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width,
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bumper->bumpmap_height);
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glVertex3d (-1.0, -1.0, -1.0); // D
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, 0.0);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width, 0.0);
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glVertex3d (-1.0, 1.0, -1.0); // C
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#endif
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#if 0
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// right face
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glNormal3d (-1.0, 0.0, 0.0);
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glVertexAttrib3dARB (locTangent, 0.0, 1.0, 0.0);
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, 0.0);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, 0.0);
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glVertex3d (-1.0, 1.0, -1.0); // C
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, height);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, bumper->bumpmap_height);
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glVertex3d (-1.0, -1.0, -1.0); // D
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, height);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width,
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bumper->bumpmap_height);
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glVertex3d (-1.0, -1.0, 1.0); // H
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, 0.0);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width, 0.0);
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glVertex3d (-1.0, 1.0, 1.0); // G
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// back face
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glNormal3d (0.0, 0.0, 1.0);
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glVertexAttrib3dARB (locTangent, 0.0, 1.0, 0.0);
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, 0.0);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, 0.0);
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glVertex3d (-1.0, 1.0, 1.0); // G
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, height);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, bumper->bumpmap_height);
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glVertex3d (-1.0, -1.0, 1.0); // H
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, height);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width,
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bumper->bumpmap_height);
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glVertex3d (1.0, -1.0, 1.0); // E
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, 0.0);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width, 0.0);
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glVertex3d (1.0, 1.0, 1.0); // F
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// left face
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glNormal3d (1.0, 0.0, 0.0);
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glVertexAttrib3dARB (locTangent, 0.0, 1.0, 0.0);
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, 0.0);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, 0.0);
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glVertex3d (1.0, 1.0, 1.0); // F
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, height);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, bumper->bumpmap_height);
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glVertex3d (1.0, -1.0, 1.0); // E
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, height);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width,
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bumper->bumpmap_height);
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glVertex3d (1.0, -1.0, -1.0); // A
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, 0.0);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width, 0.0);
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glVertex3d (1.0, 1.0, -1.0); // B
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// top face
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glNormal3d (0.0, 1.0, 0.0);
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glVertexAttrib3dARB (locTangent, 0.0, 0.0, 1.0);
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, 0.0);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, 0.0);
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glVertex3d (1.0, 1.0, 1.0); // F
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, 0.0, height);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, 0.0, bumper->bumpmap_height);
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glVertex3d (1.0, 1.0, -1.0); // B
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, height);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width,
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bumper->bumpmap_height);
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glVertex3d (-1.0, 1.0, -1.0); // C
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glMultiTexCoord2dARB (GL_TEXTURE0_ARB, width, 0.0);
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glMultiTexCoord2dARB (GL_TEXTURE1_ARB, bumper->bumpmap_width, 0.0);
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glVertex3d (-1.0, 1.0, 1.0); // G
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// bottom face
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glNormal3d (0.0, -1.0, 0.0);
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glVertexAttrib3dARB (locTangent, 0.0, 0.0, -1.0);
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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);
|
||||
|
||||
gl->Disable (GL_LIGHT0);
|
||||
|
|
@ -615,5 +522,5 @@ gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
|
|||
|
||||
xrot += 1.0f;
|
||||
yrot += 0.9f;
|
||||
zrot += 1.1f;
|
||||
zrot += 0.6f;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue