X-Git-Url: https://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fguicast%2Fvframe3d.C;h=42d91ba1af0b77d1a9243a3d1db105e02a84c6e8;hb=a1ec01f78c69ac89b70269884acc212a23e49622;hp=30c1b2bea23656a7873329b63c4e84c4841989db;hpb=7ead9f7382846e81c2f8efb25780014e5f8834c3;p=goodguy%2Fcinelerra.git

diff --git a/cinelerra-5.1/guicast/vframe3d.C b/cinelerra-5.1/guicast/vframe3d.C
index 30c1b2be..42d91ba1 100644
--- a/cinelerra-5.1/guicast/vframe3d.C
+++ b/cinelerra-5.1/guicast/vframe3d.C
@@ -179,7 +179,6 @@ void VFrame::screen_to_texture(int x, int y, int w, int h)
 // Create texture
 	BC_Texture::new_texture(&texture,
 		get_w(), get_h(), get_color_model());
-
 	if(pbuffer) {
 		glEnable(GL_TEXTURE_2D);
 
@@ -237,20 +236,15 @@ void VFrame::draw_texture(int flip_y)
 }
 
 
-void VFrame::bind_texture(int texture_unit)
+void VFrame::bind_texture(int texture_unit, int nearest)
 {
 // Bind the texture
-	if(texture)
-	{
-		texture->bind(texture_unit);
+	if(texture) {
+		texture->bind(texture_unit, nearest);
 	}
 }
 
 
-
-
-
-
 void VFrame::init_screen(int w, int h)
 {
 #ifdef HAVE_GL
@@ -266,7 +260,7 @@ void VFrame::init_screen(int w, int h)
 	glMatrixMode(GL_MODELVIEW);
 	glLoadIdentity();
 // Shift down and right so 0,0 is the top left corner
-	glTranslatef(-(w-1)/2.f, (h-1)/2.f, 0.0);
+	glTranslatef(-w/2.f, h/2.f, 0.f);
 	glTranslatef(0.0, 0.0, -(far + near) / 2);
 
 	glDisable(GL_DEPTH_TEST);
@@ -404,13 +398,16 @@ unsigned int VFrame::make_shader(const char **segments, ...)
 	unsigned int program = 0;
 #ifdef HAVE_GL
 // Construct single source file out of arguments
-	int nb_segs = 1;
-	if( !segments ) {
+	int nb_segs = 0;
+	if( !segments ) {  // arg list
 		va_list list;  va_start(list, segments);
 		while( va_arg(list, char*) != 0 ) ++nb_segs;
 		va_end(list);
 	}
-	const char *segs[nb_segs];
+	else { // segment list
+		while( segments[nb_segs] ) ++nb_segs;
+	}
+	const char *segs[++nb_segs];
 	if( !segments ) {
 		va_list list;  va_start(list, segments);
 		for( int i=0; i<nb_segs; ++i )
@@ -448,8 +445,14 @@ void VFrame::dump_shader(int shader_id)
 void VFrame::clear_pbuffer()
 {
 #ifdef HAVE_GL
-	float gbuv = BC_CModels::is_yuv(get_color_model()) ? 0.5 : 0;
-	glClearColor(0.0, gbuv, gbuv, 0.0);
+	int rgb = clear_color>=0 ? clear_color : 0;
+	int a = clear_color>=0 ? clear_alpha : 0;
+	int r = (rgb>>16) & 0xff;
+	int g = (rgb>> 8) & 0xff;
+	int b = (rgb>> 0) & 0xff;
+	if( BC_CModels::is_yuv(get_color_model()) )
+		YUV::yuv.rgb_to_yuv_8(r, g, b);
+	glClearColor(r/255.f, g/255.f, b/255.f, a/255.f);
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 #endif
 }