X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fplayback3d.C;h=35f4fd0ee1a6bfe269590aee30ad9660f8ae746c;hb=3ec3a9cc6afc6561311686b3ec597ee3c1d80d6f;hp=a6a721ba80feb38266e5c60ca0a30c7e2947ba69;hpb=5820b5f022aeec75ec03f7dd0121aa8a3d7f7590;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.1/cinelerra/playback3d.C b/cinelerra-5.1/cinelerra/playback3d.C
index a6a721ba..35f4fd0e 100644
--- a/cinelerra-5.1/cinelerra/playback3d.C
+++ b/cinelerra-5.1/cinelerra/playback3d.C
@@ -197,10 +197,10 @@ static const char *blend_divide_frag =
 	"void main() {\n"
 	"	vec4 canvas = texture2D(tex2, gl_FragCoord.xy / tex2_dimensions);\n"
 	"	vec4 result = gl_FragColor / canvas;\n"
-	"	if(!canvas.r) result.r = 1.0;\n"
-	"	if(!canvas.g) result.g = 1.0;\n"
-	"	if(!canvas.b) result.b = 1.0;\n"
-	"	if(!canvas.a) result.a = 1.0;\n"
+	"	if(canvas.r == 0.) result.r = 1.0;\n"
+	"	if(canvas.g == 0.) result.g = 1.0;\n"
+	"	if(canvas.b == 0.) result.b = 1.0;\n"
+	"	if(canvas.a == 0.) result.a = 1.0;\n"
 	"	result = clamp(result, 0.0, 1.0);\n"
 	"	gl_FragColor = mix(canvas, result, alpha);\n"
 	"}\n";
@@ -219,7 +219,6 @@ static const char *blend_max_frag =
 	"void main() {\n"
 	"	vec4 canvas = texture2D(tex2, gl_FragCoord.xy / tex2_dimensions);\n"
 	"	vec4 result = max(canvas, gl_FragColor);\n"
-	"	result = clamp(result, 0.0, 1.0);\n"
 	"	gl_FragColor = mix(canvas, result, alpha);\n"
 	"}\n";
 
@@ -231,7 +230,6 @@ static const char *blend_min_frag =
 	"void main() {\n"
 	"	vec4 canvas = texture2D(tex2, gl_FragCoord.xy / tex2_dimensions);\n"
 	"	vec4 result = min(canvas, gl_FragColor);\n"
-	"	result = clamp(result, 0.0, 1.0);\n"
 	"	gl_FragColor = mix(canvas, result, alpha);\n"
 	"}\n";
 
@@ -243,7 +241,6 @@ static const char *blend_average_frag =
 	"void main() {\n"
 	"	vec4 canvas = texture2D(tex2, gl_FragCoord.xy / tex2_dimensions);\n"
 	"	vec4 result = (canvas + gl_FragColor) * 0.5;\n"
-	"	result = clamp(result, 0.0, 1.0);\n"
 	"	gl_FragColor = mix(canvas, result, alpha);\n"
 	"}\n";
 
@@ -400,7 +397,6 @@ static const char *blend_or_frag =
 	"void main() {\n"
 	"	vec4 canvas = texture2D(tex2, gl_FragCoord.xy / tex2_dimensions);\n"
 	"	vec4 result = canvas + gl_FragColor - canvas * gl_FragColor;\n"
-	"	result = clamp(result, 0.0, 1.0);\n"
 	"	gl_FragColor = mix(canvas, result, alpha);\n"
 	"}\n";
 
@@ -739,7 +735,7 @@ void Playback3D::copy_from_sync(Playback3DCommand *command)
 // 			command->frame->get_h(),
 // 			BC_RGB888,
 // 			-1);
-// 		command->frame->to_ram();
+// 		command->frame->screen_to_ram();
 //
 // 		window->clear_box(0,
 // 						0,