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authorAlan Hourihane <alanh@vmware.com>2009-01-14 17:01:16 +0000
committerAlan Hourihane <alanh@vmware.com>2009-01-14 17:01:16 +0000
commite82784559e00cb534993c01309ad1832e9b3e56b (patch)
tree8c01cf08aa891114513ca8bd9fafe245be06f3f4
parent85dfed93fe2a6aace7dd2e08f97760e7062e6eb3 (diff)
mesa: add new samplers_array test
-rw-r--r--progs/glsl/Makefile6
-rw-r--r--progs/glsl/samplers.c12
2 files changed, 18 insertions, 0 deletions
diff --git a/progs/glsl/Makefile b/progs/glsl/Makefile
index a39170b8c9..7099eeadbd 100644
--- a/progs/glsl/Makefile
+++ b/progs/glsl/Makefile
@@ -24,6 +24,7 @@ PROGS = \
points \
pointcoord \
samplers \
+ samplers_array \
skinning \
texdemo1 \
toyball \
@@ -166,6 +167,11 @@ samplers.o: samplers.c readtex.h extfuncs.h shaderutil.h
samplers: samplers.o readtex.o shaderutil.o
$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) samplers.o readtex.o shaderutil.o $(LIBS) -o $@
+samplers_array.o: samplers.c readtex.h extfuncs.h shaderutil.h
+ $(APP_CC) -c -DSAMPLERS_ARRAY -I$(INCDIR) $(CFLAGS) samplers.c -o samplers_array.o
+
+samplers_array: samplers_array.o readtex.o shaderutil.o
+ $(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) samplers_array.o readtex.o shaderutil.o $(LIBS) -o $@
skinning.o: skinning.c readtex.h extfuncs.h shaderutil.h
$(APP_CC) -c -I$(INCDIR) $(CFLAGS) skinning.c
diff --git a/progs/glsl/samplers.c b/progs/glsl/samplers.c
index d214009729..3fb8577d5e 100644
--- a/progs/glsl/samplers.c
+++ b/progs/glsl/samplers.c
@@ -245,14 +245,22 @@ GenFragmentShader(GLint numSamplers)
int s;
p += sprintf(p, "// Generated fragment shader:\n");
+#ifndef SAMPLERS_ARRAY
for (s = 0; s < numSamplers; s++) {
p += sprintf(p, "uniform sampler2D tex%d;\n", s);
}
+#else
+ p += sprintf(p, "uniform sampler2D tex[%d];\n", numSamplers);
+#endif
p += sprintf(p, "void main()\n");
p += sprintf(p, "{\n");
p += sprintf(p, " vec4 color = vec4(0.0);\n");
for (s = 0; s < numSamplers; s++) {
+#ifndef SAMPLERS_ARRAY
p += sprintf(p, " color += texture2D(tex%d, gl_TexCoord[0].xy);\n", s);
+#else
+ p += sprintf(p, " color += texture2D(tex[%d], gl_TexCoord[0].xy);\n", s);
+#endif
}
p += sprintf(p, " gl_FragColor = color;\n");
p += sprintf(p, "}\n");
@@ -302,7 +310,11 @@ InitProgram(void)
char uname[10];
GLint loc;
+#ifndef SAMPLERS_ARRAY
sprintf(uname, "tex%d", s);
+#else
+ sprintf(uname, "tex[%d]", s);
+#endif
loc = glGetUniformLocation_func(Program, uname);
assert(loc >= 0);