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authorWolfgang Draxinger <Wolfgang.Draxinger@draxit.de>2012-02-19 17:46:50 +0100
committerWolfgang Draxinger <Wolfgang.Draxinger@draxit.de>2012-02-19 17:46:50 +0100
commitadfa666208bbf720e0dd33602661384b146e5268 (patch)
tree79de8d74180f18948735a60aa6637a9f40c285f8 /samples/OpenGL/x11argb_opengl_glsl
parenteeb1931d2d214b28e4117ad17824ece40f865511 (diff)
downloadcodesamples-adfa666208bbf720e0dd33602661384b146e5268.tar.gz
codesamples-adfa666208bbf720e0dd33602661384b146e5268.tar.bz2
FBO example added
Diffstat (limited to 'samples/OpenGL/x11argb_opengl_glsl')
-rw-r--r--samples/OpenGL/x11argb_opengl_glsl/Makefile2
-rw-r--r--samples/OpenGL/x11argb_opengl_glsl/x11argb_opengl_glsl.c2
2 files changed, 3 insertions, 1 deletions
diff --git a/samples/OpenGL/x11argb_opengl_glsl/Makefile b/samples/OpenGL/x11argb_opengl_glsl/Makefile
index 6c234cb..e32b597 100644
--- a/samples/OpenGL/x11argb_opengl_glsl/Makefile
+++ b/samples/OpenGL/x11argb_opengl_glsl/Makefile
@@ -1,3 +1,5 @@
+CC=pcc
+
x11argb_opengl_glsl: x11argb_opengl_glsl.c Makefile
$(CC) -std=c99 -g3 -o x11argb_opengl_glsl x11argb_opengl_glsl.c -lX11 -lXrender -lGLEW -lm
diff --git a/samples/OpenGL/x11argb_opengl_glsl/x11argb_opengl_glsl.c b/samples/OpenGL/x11argb_opengl_glsl/x11argb_opengl_glsl.c
index 643c0ca..d918f0b 100644
--- a/samples/OpenGL/x11argb_opengl_glsl/x11argb_opengl_glsl.c
+++ b/samples/OpenGL/x11argb_opengl_glsl/x11argb_opengl_glsl.c
@@ -62,7 +62,7 @@ static const GLchar *fragment_shader_source =
" vec2 mod_texcoord = gl_TexCoord[0].st*vec2(1., 2.) + vec2(0, -0.5 + 0.5*sin(T + 1.5*ts*pi));\n"
" if( mod_texcoord.t < 0. || mod_texcoord.t > 1. ) { discard; }\n"
" gl_FragColor = -texture2D(texCMYK, mod_texcoord) + texture2D(texRGB, gl_TexCoord[0].st);\n"
-" gl_FragColor.a = -0.5;\n"
+" gl_FragColor.a = 1.;\n"
"}\n\0";
GLuint shaderFragment = 0;