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[654/906] differencematte: port to non-GLEW

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This commit is contained in:
Matthew Waters 2013-01-17 23:17:14 +11:00
parent 0ed85f3d13
commit 0fa88c5219
1 changed files with 80 additions and 92 deletions
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172
gst/gl/gstgldifferencematte.c
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@ -80,22 +80,23 @@ static void
gst_gl_differencematte_init_gl_resources (GstGLFilter * filter)
{
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (filter);
GstGLFuncs *gl = filter->display->gl_vtable;
gint i;
for (i = 0; i < 4; i++) {
glGenTextures (1, &differencematte->midtexture[i]);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, differencematte->midtexture[i]);
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
gl->GenTextures (1, &differencematte->midtexture[i]);
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, differencematte->midtexture[i]);
gl->TexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
GST_VIDEO_INFO_WIDTH (&filter->out_info),
GST_VIDEO_INFO_HEIGHT (&filter->out_info),
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER,
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER,
GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER,
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER,
GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S,
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S,
GL_CLAMP_TO_EDGE);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T,
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T,
GL_CLAMP_TO_EDGE);
differencematte->shader[i] = gst_gl_shader_new (filter->display);
}
@ -146,17 +147,18 @@ static void
gst_gl_differencematte_reset_gl_resources (GstGLFilter * filter)
{
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (filter);
GstGLFuncs *gl = filter->display->gl_vtable;
gint i;
glDeleteTextures (1, &differencematte->savedbgtexture);
glDeleteTextures (1, &differencematte->newbgtexture);
gl->DeleteTextures (1, &differencematte->savedbgtexture);
gl->DeleteTextures (1, &differencematte->newbgtexture);
for (i = 0; i < 4; i++) {
if (differencematte->shader[i]) {
g_object_unref (differencematte->shader[i]);
differencematte->shader[i] = NULL;
}
if (differencematte->midtexture[i]) {
glDeleteTextures (1, &differencematte->midtexture[i]);
gl->DeleteTextures (1, &differencematte->midtexture[i]);
differencematte->midtexture[i] = 0;
}
}
@ -200,31 +202,6 @@ gst_gl_differencematte_class_init (GstGLDifferenceMatteClass * klass)
"Filippo Argiolas <filippo.argiolas@gmail.com>");
}
void
gst_gl_differencematte_draw_texture (GstGLDifferenceMatte * differencematte,
GLuint tex)
{
GstGLFilter *filter = GST_GL_FILTER (differencematte);
glActiveTexture (GL_TEXTURE0);
glEnable (GL_TEXTURE_RECTANGLE_ARB);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, tex);
glBegin (GL_QUADS);
glTexCoord2f (0.0, 0.0);
glVertex2f (-1.0, -1.0);
glTexCoord2f ((gfloat) GST_VIDEO_INFO_WIDTH (&filter->out_info), 0.0);
glVertex2f (1.0, -1.0);
glTexCoord2f ((gfloat) GST_VIDEO_INFO_WIDTH (&filter->out_info),
(gfloat) GST_VIDEO_INFO_HEIGHT (&filter->out_info));
glVertex2f (1.0, 1.0);
glTexCoord2f (0.0, (gfloat) GST_VIDEO_INFO_HEIGHT (&filter->out_info));
glVertex2f (-1.0, 1.0);
glEnd ();
}
static void
gst_gl_differencematte_init (GstGLDifferenceMatte * differencematte)
{
@ -292,12 +269,13 @@ static void
gst_gl_differencematte_save_texture (gint width, gint height, guint texture,
gpointer stuff)
{
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (stuff);
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLFuncs *gl = filter->display->gl_vtable;
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
gst_gl_differencematte_draw_texture (differencematte, texture);
gst_gl_filter_draw_texture (filter, texture, width, height);
}
static void
@ -305,28 +283,29 @@ init_pixbuf_texture (GstGLDisplay * display, gpointer data)
{
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (data);
GstGLFilter *filter = GST_GL_FILTER (data);
GstGLFuncs *gl = filter->display->gl_vtable;
glDeleteTextures (1, &differencematte->newbgtexture);
glGenTextures (1, &differencematte->newbgtexture);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, differencematte->newbgtexture);
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA,
gl->DeleteTextures (1, &differencematte->newbgtexture);
gl->GenTextures (1, &differencematte->newbgtexture);
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, differencematte->newbgtexture);
gl->TexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA,
(gint) differencematte->pbuf_width, (gint) differencematte->pbuf_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, differencematte->pixbuf);
if (differencematte->savedbgtexture == 0) {
glGenTextures (1, &differencematte->savedbgtexture);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, differencematte->savedbgtexture);
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
gl->GenTextures (1, &differencematte->savedbgtexture);
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, differencematte->savedbgtexture);
gl->TexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
GST_VIDEO_INFO_WIDTH (&filter->out_info),
GST_VIDEO_INFO_HEIGHT (&filter->out_info),
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER,
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER,
GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER,
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER,
GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S,
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S,
GL_CLAMP_TO_EDGE);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T,
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T,
GL_CLAMP_TO_EDGE);
}
}
@ -336,27 +315,29 @@ gst_gl_differencematte_diff (gint width, gint height, guint texture,
gpointer stuff)
{
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (stuff);
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLFuncs *gl = filter->display->gl_vtable;
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
gst_gl_shader_use (differencematte->shader[0]);
glActiveTexture (GL_TEXTURE0);
glEnable (GL_TEXTURE_RECTANGLE_ARB);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
glDisable (GL_TEXTURE_RECTANGLE_ARB);
gl->ActiveTexture (GL_TEXTURE0);
gl->Enable (GL_TEXTURE_RECTANGLE_ARB);
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
gl->Disable (GL_TEXTURE_RECTANGLE_ARB);
gst_gl_shader_set_uniform_1i (differencematte->shader[0], "current", 0);
glActiveTexture (GL_TEXTURE1);
glEnable (GL_TEXTURE_RECTANGLE_ARB);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, differencematte->savedbgtexture);
glDisable (GL_TEXTURE_RECTANGLE_ARB);
gl->ActiveTexture (GL_TEXTURE1);
gl->Enable (GL_TEXTURE_RECTANGLE_ARB);
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, differencematte->savedbgtexture);
gl->Disable (GL_TEXTURE_RECTANGLE_ARB);
gst_gl_shader_set_uniform_1i (differencematte->shader[0], "saved", 1);
gst_gl_differencematte_draw_texture (differencematte, texture);
gst_gl_filter_draw_texture (filter, texture, width, height);
}
static void
@ -364,23 +345,25 @@ gst_gl_differencematte_hblur (gint width, gint height, guint texture,
gpointer stuff)
{
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (stuff);
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLFuncs *gl = filter->display->gl_vtable;
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
gst_gl_shader_use (differencematte->shader[1]);
glActiveTexture (GL_TEXTURE0);
glEnable (GL_TEXTURE_RECTANGLE_ARB);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
glDisable (GL_TEXTURE_RECTANGLE_ARB);
gl->ActiveTexture (GL_TEXTURE0);
gl->Enable (GL_TEXTURE_RECTANGLE_ARB);
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
gl->Disable (GL_TEXTURE_RECTANGLE_ARB);
gst_gl_shader_set_uniform_1i (differencematte->shader[1], "tex", 0);
gst_gl_shader_set_uniform_1fv (differencematte->shader[1], "kernel", 7,
differencematte->kernel);
gst_gl_differencematte_draw_texture (differencematte, texture);
gst_gl_filter_draw_texture (filter, texture, width, height);
}
static void
@ -388,23 +371,25 @@ gst_gl_differencematte_vblur (gint width, gint height, guint texture,
gpointer stuff)
{
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (stuff);
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLFuncs *gl = filter->display->gl_vtable;
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
gst_gl_shader_use (differencematte->shader[2]);
glActiveTexture (GL_TEXTURE0);
glEnable (GL_TEXTURE_RECTANGLE_ARB);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
glDisable (GL_TEXTURE_RECTANGLE_ARB);
gl->ActiveTexture (GL_TEXTURE0);
gl->Enable (GL_TEXTURE_RECTANGLE_ARB);
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
gl->Disable (GL_TEXTURE_RECTANGLE_ARB);
gst_gl_shader_set_uniform_1i (differencematte->shader[2], "tex", 0);
gst_gl_shader_set_uniform_1fv (differencematte->shader[2], "kernel", 7,
differencematte->kernel);
gst_gl_differencematte_draw_texture (differencematte, texture);
gst_gl_filter_draw_texture (filter, texture, width, height);
}
static void
@ -413,23 +398,24 @@ gst_gl_differencematte_interp (gint width, gint height, guint texture,
{
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (stuff);
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLFuncs *gl = filter->display->gl_vtable;
glMatrixMode (GL_PROJECTION);
gl->MatrixMode (GL_PROJECTION);
glLoadIdentity ();
gst_gl_shader_use (differencematte->shader[3]);
glActiveTexture (GL_TEXTURE0);
glEnable (GL_TEXTURE_RECTANGLE_ARB);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
glDisable (GL_TEXTURE_RECTANGLE_ARB);
gl->ActiveTexture (GL_TEXTURE0);
gl->Enable (GL_TEXTURE_RECTANGLE_ARB);
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
gl->Disable (GL_TEXTURE_RECTANGLE_ARB);
gst_gl_shader_set_uniform_1i (differencematte->shader[3], "blend", 0);
glActiveTexture (GL_TEXTURE1);
glEnable (GL_TEXTURE_RECTANGLE_ARB);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, differencematte->newbgtexture);
glDisable (GL_TEXTURE_RECTANGLE_ARB);
gl->ActiveTexture (GL_TEXTURE1);
gl->Enable (GL_TEXTURE_RECTANGLE_ARB);
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, differencematte->newbgtexture);
gl->Disable (GL_TEXTURE_RECTANGLE_ARB);
gst_gl_shader_set_uniform_1i (differencematte->shader[3], "base", 1);
gst_gl_shader_set_uniform_1f (differencematte->shader[3],
@ -442,14 +428,14 @@ gst_gl_differencematte_interp (gint width, gint height, guint texture,
gst_gl_shader_set_uniform_1f (differencematte->shader[3],
"final_height", (gfloat) GST_VIDEO_INFO_HEIGHT (&filter->out_info));
glActiveTexture (GL_TEXTURE2);
glEnable (GL_TEXTURE_RECTANGLE_ARB);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, differencematte->midtexture[2]);
glDisable (GL_TEXTURE_RECTANGLE_ARB);
gl->ActiveTexture (GL_TEXTURE2);
gl->Enable (GL_TEXTURE_RECTANGLE_ARB);
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, differencematte->midtexture[2]);
gl->Disable (GL_TEXTURE_RECTANGLE_ARB);
gst_gl_shader_set_uniform_1i (differencematte->shader[3], "alpha", 2);
gst_gl_differencematte_draw_texture (differencematte, texture);
gst_gl_filter_draw_texture (filter, texture, width, height);
}
static void
@ -457,11 +443,13 @@ gst_gl_differencematte_identity (gint width, gint height, guint texture,
gpointer stuff)
{
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (stuff);
GstGLFilter *filter = GST_GL_FILTER (differencematte);
GstGLFuncs *gl = filter->display->gl_vtable;
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
gst_gl_differencematte_draw_texture (differencematte, texture);
gst_gl_filter_draw_texture (filter, texture, width, height);
}
static gboolean