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-rw-r--r--progs/glsl/CH18-mandel.frag2
-rw-r--r--progs/glsl/Makefile17
-rw-r--r--progs/glsl/bump.c2
-rw-r--r--progs/glsl/convolutions.c2
-rw-r--r--progs/glsl/deriv.c1
-rw-r--r--progs/glsl/multinoise.c11
-rw-r--r--progs/glsl/multitex.c7
-rw-r--r--progs/glsl/noise.c3
-rw-r--r--progs/glsl/shtest.c2
-rw-r--r--progs/glsl/texaaline.c6
-rw-r--r--progs/glsl/texdemo1.c7
-rw-r--r--progs/glsl/trirast.c6
12 files changed, 32 insertions, 34 deletions
diff --git a/progs/glsl/CH18-mandel.frag b/progs/glsl/CH18-mandel.frag
index a472d81252..a972d68bcf 100644
--- a/progs/glsl/CH18-mandel.frag
+++ b/progs/glsl/CH18-mandel.frag
@@ -31,7 +31,7 @@ void main()
float iter;
// for (iter = 0.0; iter < MaxIterations && r2 < 4.0; ++iter)
- for (iter = 0.0; iter < 12 && r2 < 4.0; ++iter)
+ for (iter = 0.0; iter < 12.0 && r2 < 4.0; ++iter)
{
float tempreal = real;
diff --git a/progs/glsl/Makefile b/progs/glsl/Makefile
index 8103a5cbca..8928c833c0 100644
--- a/progs/glsl/Makefile
+++ b/progs/glsl/Makefile
@@ -10,16 +10,15 @@ LIB_DEP = \
$(TOP)/$(LIB_DIR)/$(GLU_LIB_NAME) \
$(TOP)/$(LIB_DIR)/$(GLUT_LIB_NAME)
-LIBS = -L$(TOP)/$(LIB_DIR) -l$(GLUT_LIB) -l$(GLEW_LIB) -l$(GLU_LIB) -l$(GL_LIB) $(APP_LIB_DEPS)
-
-INCLUDE_DIRS = -I$(TOP)/progs/util
+LIBS = -L$(TOP)/$(LIB_DIR) -l$(GLUT_LIB) -l$(GLEW_LIB) -l$(GLU_LIB) \
+ -l$(GL_LIB) $(APP_LIB_DEPS)
# using : to avoid APP_CC pointing to CC loop
-CC:=$(APP_CC)
-CFLAGS += -I$(INCDIR)
-LDLIBS=$(LIBS)
+CC := $(APP_CC)
+CFLAGS := -I$(INCDIR) $(CFLAGS)
+LDLIBS = $(LIBS)
-DEMO_SOURCES = \
+PROG_SOURCES = \
array.c \
bitmap.c \
brick.c \
@@ -59,8 +58,8 @@ UTIL_SOURCES = \
readtex.c
UTIL_OBJS = $(UTIL_SOURCES:.c=.o)
-PROG_OBJS = $(DEMO_SOURCES:.c=.o)
-PROGS = $(DEMO_SOURCES:%.c=%)
+PROG_OBJS = $(PROG_SOURCES:.c=.o)
+PROGS = $(PROG_SOURCES:%.c=%)
##### TARGETS #####
diff --git a/progs/glsl/bump.c b/progs/glsl/bump.c
index 87669aec73..50a0900f1c 100644
--- a/progs/glsl/bump.c
+++ b/progs/glsl/bump.c
@@ -36,7 +36,7 @@ static GLint win = 0;
static GLfloat xRot = 20.0f, yRot = 0.0f, zRot = 0.0f;
-static GLuint tangentAttrib;
+static GLint tangentAttrib;
static GLboolean Anim = GL_FALSE;
diff --git a/progs/glsl/convolutions.c b/progs/glsl/convolutions.c
index c2fb76e1aa..350e61bbdc 100644
--- a/progs/glsl/convolutions.c
+++ b/progs/glsl/convolutions.c
@@ -369,7 +369,7 @@ static void keyPress(unsigned char key, int x, int y)
case 27:
exit(0);
default:
- return;
+ break;
}
glutPostRedisplay();
}
diff --git a/progs/glsl/deriv.c b/progs/glsl/deriv.c
index 265a515715..30f2b75fef 100644
--- a/progs/glsl/deriv.c
+++ b/progs/glsl/deriv.c
@@ -140,6 +140,7 @@ MakeSphere(void)
glNewList(SphereList, GL_COMPILE);
gluSphere(obj, 2.0f, 30, 15);
glEndList();
+ gluDeleteQuadric(obj);
}
diff --git a/progs/glsl/multinoise.c b/progs/glsl/multinoise.c
index 0d4026e29c..d504ba1cc4 100644
--- a/progs/glsl/multinoise.c
+++ b/progs/glsl/multinoise.c
@@ -22,22 +22,22 @@ static const char *FragShaderText[ 4 ] = {
"void main()\n"
"{\n"
" gl_FragColor.rgb = noise3( gl_TexCoord[ 0 ].w ) * 0.5 + 0.5;\n"
- " gl_FragColor.a = 1;\n"
+ " gl_FragColor.a = 1.0;\n"
"}\n",
"void main()\n"
"{\n"
" gl_FragColor.rgb = noise3( gl_TexCoord[ 0 ].xw ) * 0.5 + 0.5;\n"
- " gl_FragColor.a = 1;\n"
+ " gl_FragColor.a = 1.0;\n"
"}\n",
"void main()\n"
"{\n"
" gl_FragColor.rgb = noise3( gl_TexCoord[ 0 ].xyw ) * 0.5 + 0.5;\n"
- " gl_FragColor.a = 1;\n"
+ " gl_FragColor.a = 1.0;\n"
"}\n",
"void main()\n"
"{\n"
" gl_FragColor.rgb = noise3( gl_TexCoord[ 0 ].xyzw ) * 0.5 + 0.5;\n"
- " gl_FragColor.a = 1;\n"
+ " gl_FragColor.a = 1.0;\n"
"}\n"
};
@@ -125,6 +125,7 @@ Key(unsigned char key, int x, int y)
case 'a':
Anim = !Anim;
glutIdleFunc(Anim ? Idle : NULL);
+ break;
case 's':
Slice -= step;
break;
@@ -193,7 +194,7 @@ LoadAndCompileShader(GLuint shader, const char *text)
GLchar log[1000];
GLsizei len;
glGetShaderInfoLog(shader, 1000, &len, log);
- fprintf(stderr, "noise: problem compiling shader: %s\n", log);
+ fprintf(stderr, "multinoise: problem compiling shader: %s\n", log);
exit(1);
}
else {
diff --git a/progs/glsl/multitex.c b/progs/glsl/multitex.c
index bf46fd5210..49b32253ee 100644
--- a/progs/glsl/multitex.c
+++ b/progs/glsl/multitex.c
@@ -369,12 +369,9 @@ InitPrograms(void)
static void
InitGL(void)
{
- const char *version = (const char *) glGetString(GL_VERSION);
+ if (!ShadersSupported())
+ exit(1);
- if (version[0] != '2' || version[1] != '.') {
- printf("Warning: this program expects OpenGL 2.0\n");
- /*exit(1);*/
- }
printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
printf("Usage:\n");
printf(" a - toggle arrays vs. immediate mode rendering\n");
diff --git a/progs/glsl/noise.c b/progs/glsl/noise.c
index fdab263ea6..1148580ff4 100644
--- a/progs/glsl/noise.c
+++ b/progs/glsl/noise.c
@@ -28,7 +28,7 @@ static const char *FragShaderText =
" vec4 p;\n"
" p.xy = gl_TexCoord[0].xy;\n"
" p.z = Slice;\n"
- " p.w = 0;\n"
+ " p.w = 0.0;\n"
" vec4 n = noise4(p * scale);\n"
" gl_FragColor = n * Scale + Bias;\n"
"}\n";
@@ -119,6 +119,7 @@ Key(unsigned char key, int x, int y)
case 'a':
Anim = !Anim;
glutIdleFunc(Anim ? Idle : NULL);
+ break;
case 's':
Slice -= step;
break;
diff --git a/progs/glsl/shtest.c b/progs/glsl/shtest.c
index 628a7dd5b9..9d76e018e3 100644
--- a/progs/glsl/shtest.c
+++ b/progs/glsl/shtest.c
@@ -627,7 +627,7 @@ Init(void)
NumAttribs = GetAttribs(Program, Attribs);
PrintAttribs(Attribs);
- //assert(glGetError() == 0);
+ /*assert(glGetError() == 0);*/
glClearColor(0.4f, 0.4f, 0.8f, 0.0f);
diff --git a/progs/glsl/texaaline.c b/progs/glsl/texaaline.c
index 2e4f932ad6..4ad5a761c6 100644
--- a/progs/glsl/texaaline.c
+++ b/progs/glsl/texaaline.c
@@ -310,8 +310,10 @@ MakeMipmap(void)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LOD, 4);
- ////glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 5);
+ /*
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LOD, 4);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 5);
+ */
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
#undef SZ
diff --git a/progs/glsl/texdemo1.c b/progs/glsl/texdemo1.c
index 5b1913a722..2076e6aef9 100644
--- a/progs/glsl/texdemo1.c
+++ b/progs/glsl/texdemo1.c
@@ -400,11 +400,8 @@ InitPrograms(void)
static void
Init(GLboolean useImageFiles)
{
- const char *version = (const char *) glGetString(GL_VERSION);
-
- if (version[0] != '2' || version[1] != '.') {
- printf("Warning: this program expects OpenGL 2.0\n");
- /*exit(1);*/
+ if (!ShadersSupported()) {
+ exit(1);
}
printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
diff --git a/progs/glsl/trirast.c b/progs/glsl/trirast.c
index 53bd91ef97..857342636d 100644
--- a/progs/glsl/trirast.c
+++ b/progs/glsl/trirast.c
@@ -179,9 +179,9 @@ Init(void)
"\n"
"void main() {\n"
" vec2 p = gl_FragCoord.xy; \n"
- " if (crs(v1 - v0, p - v0) >= 0 && \n"
- " crs(v2 - v1, p - v1) >= 0 && \n"
- " crs(v0 - v2, p - v2) >= 0) \n"
+ " if (crs(v1 - v0, p - v0) >= 0.0 && \n"
+ " crs(v2 - v1, p - v1) >= 0.0 && \n"
+ " crs(v0 - v2, p - v2) >= 0.0) \n"
" gl_FragColor = vec4(1.0); \n"
" else \n"
" gl_FragColor = vec4(0.5); \n"
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