void cGLState_ATISpot::InitData()
{
mlBind = glGenFragmentShadersATI(1);
Log("Creating and binding ATI spot shader to %d\n",mlBind);
glBindFragmentShaderATI(mlBind);
glBeginFragmentShaderATI();
glSampleMapATI(GL_REG_0_ATI, GL_TEXTURE0_ARB, GL_SWIZZLE_STR_ATI);
glSampleMapATI(GL_REG_1_ATI, GL_TEXTURE1_ARB, GL_SWIZZLE_STR_DR_ATI);
glSampleMapATI(GL_REG_2_ATI, GL_TEXTURE2_ARB, GL_SWIZZLE_STR_ATI);
//Reg0 = Diffuse * Spot
glColorFragmentOp2ATI(GL_MUL_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_1_ATI, GL_NONE, GL_NONE);
//Reg0 = NegRejection * Reg0
glColorFragmentOp2ATI(GL_MUL_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_2_ATI, GL_NONE, GL_NONE);
//Reg0 = LightColor * Reg0
glColorFragmentOp2ATI(GL_MUL_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_PRIMARY_COLOR_ARB, GL_NONE, GL_NONE);
glEndFragmentShaderATI();
}
void cGLState_ATIDiffuse::InitData()
{
mlBind = glGenFragmentShadersATI(1);
Log("Creating and binding ATI diffuse shader to %d\n",mlBind);
glBindFragmentShaderATI(mlBind);
glBeginFragmentShaderATI();
glSampleMapATI(GL_REG_0_ATI, GL_TEXTURE0_ARB, GL_SWIZZLE_STR_ATI);
glSampleMapATI(GL_REG_2_ATI, GL_TEXTURE2_ARB, GL_SWIZZLE_STR_ATI);
//Reg0 = NormlizedVec dot3 Vector(0,0,1)
float vConst[4] = {0,0,1,0};
glSetFragmentShaderConstantATI( GL_CON_0_ATI,vConst);
glColorFragmentOp2ATI( GL_DOT3_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_0_ATI, GL_NONE, GL_2X_BIT_ATI|GL_BIAS_BIT_ATI,
GL_CON_0_ATI, GL_NONE, GL_NONE);
glAlphaFragmentOp2ATI( GL_DOT3_ATI, GL_REG_0_ATI, GL_NONE,
GL_REG_0_ATI, GL_NONE, GL_2X_BIT_ATI|GL_BIAS_BIT_ATI,
GL_CON_0_ATI, GL_NONE, GL_NONE);
//Reg0 = Light * Attenuation
glAlphaFragmentOp2ATI( GL_MUL_ATI, GL_REG_0_ATI, GL_NONE,
GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_2_ATI, GL_NONE, GL_NONE);
glEndFragmentShaderATI();
}
void cGLState_ATIBump::InitData()
{
mlBind = glGenFragmentShadersATI(1);
Log("Creating and binding ATI bump shader to %d\n",mlBind);
glBindFragmentShaderATI(mlBind);
glBeginFragmentShaderATI();
glSampleMapATI(GL_REG_0_ATI, GL_TEXTURE0_ARB, GL_SWIZZLE_STR_ATI);
glSampleMapATI(GL_REG_1_ATI, GL_TEXTURE1_ARB, GL_SWIZZLE_STR_ATI);
glSampleMapATI(GL_REG_2_ATI, GL_TEXTURE2_ARB, GL_SWIZZLE_STR_ATI);
//Reg0 = NormlizedVec dot3 NormalMap
glColorFragmentOp2ATI( GL_DOT3_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_1_ATI, GL_NONE, GL_2X_BIT_ATI|GL_BIAS_BIT_ATI,
GL_REG_0_ATI, GL_NONE, GL_2X_BIT_ATI|GL_BIAS_BIT_ATI);
glAlphaFragmentOp2ATI( GL_DOT3_ATI, GL_REG_0_ATI, GL_NONE,
GL_REG_1_ATI, GL_NONE, GL_2X_BIT_ATI|GL_BIAS_BIT_ATI,
GL_REG_0_ATI, GL_NONE, GL_2X_BIT_ATI|GL_BIAS_BIT_ATI);
//Reg0 = Light * Attenuation
glAlphaFragmentOp2ATI( GL_MUL_ATI, GL_REG_0_ATI, GL_NONE,
GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_2_ATI, GL_NONE, GL_NONE);
glEndFragmentShaderATI();
}
void ToneMap::makeShadersPS14ATI() {
// Really slow--appears to be implemented in software!
gammaShaderPS14ATI = glGenFragmentShadersATI(1);
glBindFragmentShaderATI(gammaShaderPS14ATI);
glBeginFragmentShaderATI();
// Pass 1
// R0 = texture0[texcoord0]
glSampleMapATI(GL_REG_0_ATI, GL_TEXTURE0_ARB, GL_SWIZZLE_STR_ATI);
// Move the blue component of R0 into the red component of R3
glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_3_ATI, GL_RED_BIT_ATI, GL_NONE,
GL_REG_0_ATI, GL_BLUE, GL_NONE);
// R1 = texture1[R0]
// R2 = texture2[R3]
glSampleMapATI(GL_REG_1_ATI, GL_REG_0_ATI, GL_SWIZZLE_STR_ATI);
glSampleMapATI(GL_REG_2_ATI, GL_REG_3_ATI, GL_SWIZZLE_STR_ATI);
// At this point, R1 contains the gamma corrected red and green channels
// and R2 contains the corrected blue channel. Combine them:
// R0 = R1 + R2
glColorFragmentOp2ATI(GL_ADD_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_1_ATI, GL_NONE, GL_NONE,
GL_REG_2_ATI, GL_NONE, GL_NONE);
// R0 = texcoord 0
//glPassTexCoordATI(GL_REG_0_ATI, GL_TEXTURE0_ARB, GL_SWIZZLE_STR_ATI);
//
//glPassTexCoordATI(GL_REG_1_ATI, GL_TEXTURE0_ARB, GL_SWIZZLE_STR_ATI);
glEndFragmentShaderATI();
}
static void glAlphaFragmentOp2ATI (GLenum op, GLuint dst, GLuint dstMod, GLuint arg1, GLuint arg1Rep, GLuint arg1Mod, GLuint arg2, GLuint arg2Rep, GLuint arg2Mod) {
glColorFragmentOp2ATI ( op, dst, GL_ALPHA, dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod);
}
static void glColorFragmentOp3ATI (GLenum op, GLuint dst, GLuint dstMask, GLuint dstMod, GLuint arg1, GLuint arg1Rep, GLuint arg1Mod, GLuint arg2, GLuint arg2Rep, GLuint arg2Mod, GLuint arg3, GLuint arg3Rep, GLuint arg3Mod) {
char str[128] = "\0";
sOpUsed = 1;
switch(op) {
// Unary operators - fall back to Op1 routine.
case GL_MOV_ATI:
glColorFragmentOp1ATI(op, dst, dstMask, dstMod, arg1, arg1Rep, arg1Mod);
return;
// Binary operators - fall back to Op2 routine.
case GL_ADD_ATI:
case GL_MUL_ATI:
case GL_SUB_ATI:
case GL_DOT3_ATI:
case GL_DOT4_ATI:
glColorFragmentOp2ATI(op, dst, dstMask, dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod);
break;
// Ternary operators
case GL_MAD_ATI:
sprintf(str, " MAD r%d", dst - GL_REG_0_ATI);
break;
case GL_LERP_ATI:
sprintf(str, " LERP r%d", dst - GL_REG_0_ATI);
break;
case GL_CND_ATI:
sprintf(str, " CND r%d", dst - GL_REG_0_ATI);
break;
case GL_CND0_ATI:
sprintf(str, " CND0 r%d", dst - GL_REG_0_ATI);
break;
case GL_DOT2_ADD_ATI:
sprintf(str, " DOT2ADD r%d", dst - GL_REG_0_ATI);
break;
default:
common->Warning("glColorFragmentOp3ATI invalid op;");
break;
}
if(dstMask != GL_NONE) {
strcat(str, makeMaskStr(dstMask));
}
else {
strcat(str, ".rgb" );
}
if(dstMod != GL_NONE) {
strcat(str, makeDstModStr(dstMod));
}
strcat(str, ", ");
strcat(str, makeArgStr(arg1));
if(arg1Rep != GL_NONE) {
strcat(str, makeMaskStr(arg1Rep));
}
if(arg1Mod != GL_NONE) {
strcat(str, makeArgModStr(arg1Mod));
}
strcat(str, ", ");
strcat(str, makeArgStr(arg2));
if(arg2Rep != GL_NONE) {
strcat(str, makeMaskStr(arg2Rep));
}
if(arg2Mod != GL_NONE) {
strcat(str, makeArgModStr(arg2Mod));
}
strcat(str, ", ");
strcat(str, makeArgStr(arg3));
if(arg3Rep != GL_NONE) {
strcat(str, makeMaskStr(arg3Rep));
}
if(arg3Mod != GL_NONE) {
strcat(str, makeArgModStr(arg3Mod));
}
strcat(str, ";\n");
strcat(sPassString[sCurrentPass], str);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_ATIFragmentShader_nglColorFragmentOp2ATI(JNIEnv *env, jclass clazz, jint op, jint dst, jint dstMask, jint dstMod, jint arg1, jint arg1Rep, jint arg1Mod, jint arg2, jint arg2Rep, jint arg2Mod, jlong function_pointer) {
glColorFragmentOp2ATIPROC glColorFragmentOp2ATI = (glColorFragmentOp2ATIPROC)((intptr_t)function_pointer);
glColorFragmentOp2ATI(op, dst, dstMask, dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod);
}
static void Init( int argc, char *argv[] )
{
GLuint texObj[8];
GLint size, i;
const char *exten = (const char *) glGetString(GL_EXTENSIONS);
if (!strstr(exten, "GL_ATI_fragment_shader")) {
printf("Sorry, GL_ATI_fragment_shader not supported by this renderer.\n");
exit(1);
}
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &size);
printf("%d x %d max texture size\n", size, size);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
for (i = 0; i < NumUnits; i++) {
if (i < 6)
TexEnabled[i] = GL_TRUE;
else
TexEnabled[i] = GL_FALSE;
}
/* allocate two texture objects */
glGenTextures(NumUnits, texObj);
/* setup the texture objects */
for (i = 0; i < NumUnits; i++) {
glActiveTextureARB(GL_TEXTURE0_ARB + i);
glBindTexture(GL_TEXTURE_2D, texObj[i]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
if (i == 0) {
if (!LoadRGBMipmaps(TEXTURE_1_FILE, GL_RGB)) {
printf("Error: couldn't load texture image\n");
exit(1);
}
}
else if (i == 1) {
if (!LoadRGBMipmaps(TEXTURE_2_FILE, GL_RGB)) {
printf("Error: couldn't load texture image\n");
exit(1);
}
}
else {
/* checker */
GLubyte image[8][8][3];
GLint i, j;
for (i = 0; i < 8; i++) {
for (j = 0; j < 8; j++) {
if ((i + j) & 1) {
image[i][j][0] = 50;
image[i][j][1] = 50;
image[i][j][2] = 50;
}
else {
image[i][j][0] = 25;
image[i][j][1] = 25;
image[i][j][2] = 25;
}
}
}
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 8, 8, 0,
GL_RGB, GL_UNSIGNED_BYTE, (GLvoid *) image);
}
/* Bind texObj[i] to ith texture unit */
/* if (i < 2)
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
else
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD);*/
if (TexEnabled[i])
glEnable(GL_TEXTURE_2D);
}
boringshaderID = glGenFragmentShadersATI(1);
boring2passID = glGenFragmentShadersATI(1);
if (boring2passID == 0)
{
fprintf(stderr, "couldn't get frag shader id\n");
exit(1);
}
glBindFragmentShaderATI(boringshaderID);
/* maybe not the most creative shader but at least I know how it should look like! */
glBeginFragmentShaderATI();
glSampleMapATI(GL_REG_0_ATI, GL_TEXTURE0_ARB, GL_SWIZZLE_STR_ATI);
glSampleMapATI(GL_REG_1_ATI, GL_TEXTURE1_ARB, GL_SWIZZLE_STR_ATI);
glSampleMapATI(GL_REG_2_ATI, GL_TEXTURE2_ARB, GL_SWIZZLE_STR_ATI);
glSampleMapATI(GL_REG_3_ATI, GL_TEXTURE3_ARB, GL_SWIZZLE_STR_ATI);
glSampleMapATI(GL_REG_4_ATI, GL_TEXTURE4_ARB, GL_SWIZZLE_STR_ATI);
glSampleMapATI(GL_REG_5_ATI, GL_TEXTURE5_ARB, GL_SWIZZLE_STR_ATI);
glColorFragmentOp2ATI(GL_MUL_ATI,
GL_REG_0_ATI, GL_NONE, GL_SATURATE_BIT_ATI,
GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_PRIMARY_COLOR, GL_NONE, GL_NONE);
glAlphaFragmentOp1ATI(GL_MOV_ATI,
GL_REG_0_ATI, GL_NONE,
GL_PRIMARY_COLOR, GL_NONE, GL_NONE);
glColorFragmentOp3ATI(GL_MAD_ATI,
GL_REG_0_ATI, GL_NONE, GL_SATURATE_BIT_ATI,
GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_1_ATI, GL_NONE, GL_NONE,
GL_REG_2_ATI, GL_NONE, GL_NONE);
glColorFragmentOp2ATI(GL_ADD_ATI,
GL_REG_0_ATI, GL_NONE, GL_SATURATE_BIT_ATI,
GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_3_ATI, GL_NONE, GL_NONE);
glColorFragmentOp2ATI(GL_ADD_ATI,
GL_REG_0_ATI, GL_NONE, GL_SATURATE_BIT_ATI,
GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_4_ATI, GL_NONE, GL_NONE);
glColorFragmentOp2ATI(GL_ADD_ATI,
GL_REG_0_ATI, GL_NONE, GL_SATURATE_BIT_ATI,
GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_5_ATI, GL_NONE, GL_NONE);
glEndFragmentShaderATI();
/* mathematically equivalent to first shader but using 2 passes together with
some tex coord rerouting */
glBindFragmentShaderATI(boring2passID);
glBeginFragmentShaderATI();
glPassTexCoordATI(GL_REG_1_ATI, GL_TEXTURE0_ARB, GL_SWIZZLE_STR_ATI);
glSampleMapATI(GL_REG_2_ATI, GL_TEXTURE2_ARB, GL_SWIZZLE_STR_ATI);
glSampleMapATI(GL_REG_3_ATI, GL_TEXTURE3_ARB, GL_SWIZZLE_STR_ATI);
glSampleMapATI(GL_REG_4_ATI, GL_TEXTURE4_ARB, GL_SWIZZLE_STR_ATI);
glSampleMapATI(GL_REG_5_ATI, GL_TEXTURE5_ARB, GL_SWIZZLE_STR_ATI);
glColorFragmentOp2ATI(GL_ADD_ATI,
GL_REG_0_ATI, GL_NONE, GL_SATURATE_BIT_ATI,
GL_REG_2_ATI, GL_NONE, GL_NONE,
GL_REG_3_ATI, GL_NONE, GL_NONE);
glColorFragmentOp2ATI(GL_ADD_ATI,
GL_REG_0_ATI, GL_NONE, GL_SATURATE_BIT_ATI,
GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_4_ATI, GL_NONE, GL_NONE);
glColorFragmentOp2ATI(GL_ADD_ATI,
GL_REG_0_ATI, GL_NONE, GL_SATURATE_BIT_ATI,
GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_5_ATI, GL_NONE, GL_NONE);
/* not really a dependant read */
glSampleMapATI(GL_REG_0_ATI, GL_REG_1_ATI, GL_SWIZZLE_STR_ATI);
glSampleMapATI(GL_REG_1_ATI, GL_TEXTURE1_ARB, GL_SWIZZLE_STR_ATI);
glPassTexCoordATI(GL_REG_5_ATI, GL_REG_0_ATI, GL_SWIZZLE_STR_ATI);
glColorFragmentOp2ATI(GL_MUL_ATI,
GL_REG_0_ATI, GL_NONE, GL_SATURATE_BIT_ATI,
GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_PRIMARY_COLOR, GL_NONE, GL_NONE);
glAlphaFragmentOp1ATI(GL_MOV_ATI,
GL_REG_0_ATI, GL_NONE,
GL_PRIMARY_COLOR, GL_NONE, GL_NONE);
glColorFragmentOp3ATI(GL_MAD_ATI,
GL_REG_0_ATI, GL_NONE, GL_SATURATE_BIT_ATI,
GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_1_ATI, GL_NONE, GL_NONE,
GL_REG_5_ATI, GL_NONE, GL_NONE);
/* in principle we're finished here, but to test a bit more
we do some fun with dot ops, replication et al. */
glSetFragmentShaderConstantATI(GL_CON_3_ATI, shaderconstant);
glColorFragmentOp2ATI(GL_DOT4_ATI,
GL_REG_3_ATI, GL_GREEN_BIT_ATI, GL_EIGHTH_BIT_ATI,
GL_ZERO, GL_NONE, GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI,
GL_CON_3_ATI, GL_RED, GL_2X_BIT_ATI);
/* those args must get ignored, except dstReg */
glAlphaFragmentOp2ATI(GL_DOT4_ATI,
GL_REG_4_ATI, GL_NONE,
GL_ZERO, GL_NONE, GL_NONE,
GL_ZERO, GL_NONE, GL_NONE);
/* -> reg3 g = reg4 alpha = -0.5 */
glAlphaFragmentOp2ATI(GL_ADD_ATI,
GL_REG_5_ATI, GL_NONE,
GL_REG_3_ATI, GL_GREEN, GL_NONE,
GL_REG_4_ATI, GL_NONE, GL_NONE);
/* -> reg5 a = -1 */
glColorFragmentOp3ATI(GL_DOT2_ADD_ATI,
GL_REG_4_ATI, GL_BLUE_BIT_ATI, GL_HALF_BIT_ATI,
GL_REG_5_ATI, GL_ALPHA, GL_NEGATE_BIT_ATI,
GL_ONE, GL_NONE, GL_BIAS_BIT_ATI,
GL_ONE, GL_ALPHA, GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI);
/* -> reg 4 b = -0.5 */
glColorFragmentOp2ATI(GL_MUL_ATI,
GL_REG_0_ATI, GL_NONE, GL_NONE,
GL_REG_4_ATI, GL_BLUE, GL_NEGATE_BIT_ATI | GL_2X_BIT_ATI,
GL_REG_0_ATI, GL_NONE, GL_NONE);
glEndFragmentShaderATI();
glBindFragmentShaderATI(boringshaderID);
glEnable(GL_FRAGMENT_SHADER_ATI);
glShadeModel(GL_FLAT);
glClearColor(0.3, 0.3, 0.4, 1.0);
if (argc > 1 && strcmp(argv[1], "-info")==0) {
printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
}
printf("output should be identical with both shaders to multiarb demo when 6 textures are enabled\n");
}