diff options
Diffstat (limited to 'progs/glsl')
| -rw-r--r-- | progs/glsl/Makefile | 6 | ||||
| -rw-r--r-- | progs/glsl/samplers.c | 12 |
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); |