-/* $Id: nvfragparse.c,v 1.5 2003/02/17 15:38:03 brianp Exp $ */
+/* $Id: nvfragparse.c,v 1.6 2003/02/23 04:09:21 brianp Exp $ */
/*
* Mesa 3-D graphics library
{ "PK2H", FP_OPCODE_PK2H, INPUT_1V, OUTPUT_S, 0 },
{ "PK2US", FP_OPCODE_PK2US, INPUT_1V, OUTPUT_S, 0 },
{ "PK4B", FP_OPCODE_PK4B, INPUT_1V, OUTPUT_S, 0 },
- { "PK2UB", FP_OPCODE_PK4UB, INPUT_1V, OUTPUT_S, 0 },
+ { "PK4UB", FP_OPCODE_PK4UB, INPUT_1V, OUTPUT_S, 0 },
{ "POW", FP_OPCODE_POW, INPUT_2S, OUTPUT_S, _R | _H | _C | _S },
{ "RCP", FP_OPCODE_RCP, INPUT_1S, OUTPUT_S, _R | _H | _C | _S },
{ "RFL", FP_OPCODE_RFL, INPUT_2V, OUTPUT_V, _R | _H | _C | _S },
};
-/**********************************************************************/
-
-/* XXX not used yet */
struct parse_state {
- const GLubyte *start; /* start of program */
- const GLubyte *end; /* one char past end of the program */
- const GLubyte *s; /* current position */
- GLboolean IsStateProgram;
- GLboolean IsVersion1_1;
- struct fragment_program *currentProgram;
+ const char *pos; /* current position */
+ struct fragment_program *program; /* current program */
+ GLuint numInst; /* number of instructions parsed */
};
-/* XXX temporary hack */
-static struct fragment_program *CurrentProgram = NULL;
/*
* Get next token from input stream and increment stream pointer past token.
*/
static GLboolean
-Parse_Token(const char **s, char *token)
+Parse_Token(struct parse_state *parseState, char *token)
{
GLint i;
- i = GetToken(*s, token);
+ i = GetToken(parseState->pos, token);
if (i <= 0) {
- *s += (-i);
+ parseState->pos += (-i);
return GL_FALSE;
}
- *s += i;
+ parseState->pos += i;
return GL_TRUE;
}
* Get next token from input stream but don't increment stream pointer.
*/
static GLboolean
-Peek_Token(const char **s, char *token)
+Peek_Token(struct parse_state *parseState, char *token)
{
GLint i, len;
- i = GetToken(*s, token);
+ i = GetToken(parseState->pos, token);
if (i <= 0) {
- *s += (-i);
+ parseState->pos += (-i);
return GL_FALSE;
}
len = _mesa_strlen(token);
- *s += (i - len);
+ parseState->pos += (i - len);
return GL_TRUE;
}
* Try to match 'pattern' as the next token after any whitespace/comments.
*/
static GLboolean
-Parse_String(const char **s, const char *pattern)
+Parse_String(struct parse_state *parseState, const char *pattern)
{
const char *m;
GLint i;
/* skip whitespace and comments */
- while (IsWhitespace(**s) || **s == '#') {
- if (**s == '#') {
- while (**s && (**s != '\n' && **s != '\r')) {
- *s += 1;
+ while (IsWhitespace(*parseState->pos) || *parseState->pos == '#') {
+ if (*parseState->pos == '#') {
+ while (*parseState->pos && (*parseState->pos != '\n' && *parseState->pos != '\r')) {
+ parseState->pos += 1;
}
}
else {
/* skip whitespace */
- *s += 1;
+ parseState->pos += 1;
}
}
/* Try to match the pattern */
- m = *s;
+ m = parseState->pos;
for (i = 0; pattern[i]; i++) {
if (*m != pattern[i])
return GL_FALSE;
m += 1;
}
- *s = m;
+ parseState->pos = m;
return GL_TRUE; /* success */
}
static GLboolean
-Parse_Identifier(const char **s, char *ident)
+Parse_Identifier(struct parse_state *parseState, char *ident)
{
- if (!Parse_Token(s, ident))
+ if (!Parse_Token(parseState, ident))
RETURN_ERROR;
if (IsLetter(ident[0]))
return GL_TRUE;
* [+/-]N[.N[eN]]
*/
static GLboolean
-Parse_ScalarConstant(const char **s, GLfloat *number)
+Parse_ScalarConstant(struct parse_state *parseState, GLfloat *number)
{
char *end = NULL;
- *number = (GLfloat) _mesa_strtod(*s, &end);
+ *number = (GLfloat) _mesa_strtod(parseState->pos, &end);
- if (end && end > *s) {
+ if (end && end > parseState->pos) {
/* got a number */
- *s = end;
+ parseState->pos = end;
return GL_TRUE;
}
else {
/* should be an identifier */
char ident[100];
- if (!Parse_Identifier(s, ident))
+ if (!Parse_Identifier(parseState, ident))
RETURN_ERROR1("Expected an identifier");
- if (!_mesa_lookup_symbol(&(CurrentProgram->SymbolTable), ident, number)) {
+ if (!_mesa_lookup_symbol(&(parseState->program->SymbolTable),
+ ident, number)) {
RETURN_ERROR1("Undefined symbol");
}
return GL_TRUE;
* { float, float, float, float }
*/
static GLboolean
-Parse_VectorConstant(const char **s, GLfloat *vec)
+Parse_VectorConstant(struct parse_state *parseState, GLfloat *vec)
{
char token[100];
- if (!Parse_String(s, "{"))
+ if (!Parse_String(parseState, "{"))
RETURN_ERROR1("Expected {");
- if (!Parse_ScalarConstant(s, vec+0)) /* X */
+ if (!Parse_ScalarConstant(parseState, vec+0)) /* X */
return GL_FALSE;
- if (!Parse_Token(s, token)) /* , or } */
+ if (!Parse_Token(parseState, token)) /* , or } */
return GL_FALSE;
if (token[0] == '}') {
if (token[0] != ',')
RETURN_ERROR1("Expected comma in vector constant");
- if (!Parse_ScalarConstant(s, vec+1)) /* Y */
+ if (!Parse_ScalarConstant(parseState, vec+1)) /* Y */
return GL_FALSE;
- if (!Parse_Token(s, token)) /* , or } */
+ if (!Parse_Token(parseState, token)) /* , or } */
return GL_FALSE;
if (token[0] == '}') {
if (token[0] != ',')
RETURN_ERROR1("Expected comma in vector constant");
- if (!Parse_ScalarConstant(s, vec+2)) /* Z */
+ if (!Parse_ScalarConstant(parseState, vec+2)) /* Z */
return GL_FALSE;
- if (!Parse_Token(s, token)) /* , or } */
+ if (!Parse_Token(parseState, token)) /* , or } */
return GL_FALSE;
if (token[0] == '}') {
if (token[0] != ',')
RETURN_ERROR1("Expected comma in vector constant");
- if (!Parse_ScalarConstant(s, vec+3)) /* W */
+ if (!Parse_ScalarConstant(parseState, vec+3)) /* W */
return GL_FALSE;
- if (!Parse_String(s, "}"))
+ if (!Parse_String(parseState, "}"))
RETURN_ERROR1("Expected closing brace in vector constant");
return GL_TRUE;
* Return number of values in the vector or scalar, or zero if parse error.
*/
static GLuint
-Parse_VectorOrScalarConstant(const char **s, GLfloat *vec)
+Parse_VectorOrScalarConstant(struct parse_state *parseState, GLfloat *vec)
{
char token[100];
- if (!Peek_Token(s, token))
+ if (!Peek_Token(parseState, token))
RETURN_ERROR;
if (token[0] == '{') {
- return Parse_VectorConstant(s, vec);
+ return Parse_VectorConstant(parseState, vec);
}
else {
- GLboolean b = Parse_ScalarConstant(s, vec);
+ GLboolean b = Parse_ScalarConstant(parseState, vec);
if (b) {
vec[1] = vec[2] = vec[3] = vec[0];
}
* [TEX0 | TEX1 | .. | TEX15] , [1D | 2D | 3D | CUBE | RECT]
*/
static GLboolean
-Parse_TextureImageId(const char **s, GLuint *texUnit, GLenum *texTarget)
+Parse_TextureImageId(struct parse_state *parseState,
+ GLuint *texUnit, GLuint *texTargetIndex)
{
char imageSrc[100];
GLint unit;
- if (!Parse_Token(s, imageSrc))
+ if (!Parse_Token(parseState, imageSrc))
RETURN_ERROR;
if (imageSrc[0] != 'T' ||
}
*texUnit = unit;
- if (!Parse_String(s, ","))
+ if (!Parse_String(parseState, ","))
RETURN_ERROR1("Expected ,");
- if (Parse_String(s, "1D")) {
- *texTarget = GL_TEXTURE_1D;
+ if (Parse_String(parseState, "1D")) {
+ *texTargetIndex = TEXTURE_1D_INDEX;
}
- else if (Parse_String(s, "2D")) {
- *texTarget = GL_TEXTURE_2D;
+ else if (Parse_String(parseState, "2D")) {
+ *texTargetIndex = TEXTURE_2D_INDEX;
}
- else if (Parse_String(s, "3D")) {
- *texTarget = GL_TEXTURE_3D;
+ else if (Parse_String(parseState, "3D")) {
+ *texTargetIndex = TEXTURE_3D_INDEX;
}
- else if (Parse_String(s, "CUBE")) {
- *texTarget = GL_TEXTURE_CUBE_MAP;
+ else if (Parse_String(parseState, "CUBE")) {
+ *texTargetIndex = TEXTURE_CUBE_INDEX;
}
- else if (Parse_String(s, "RECT")) {
- *texTarget = GL_TEXTURE_RECTANGLE_NV;
+ else if (Parse_String(parseState, "RECT")) {
+ *texTargetIndex = TEXTURE_RECT_INDEX;
}
else {
RETURN_ERROR1("Invalid texture target token");
}
+
+ /* update record of referenced texture units */
+ parseState->program->TexturesUsed[*texUnit] |= (1 << *texTargetIndex);
+
return GL_TRUE;
}
static GLboolean
-Parse_CondCodeMask(const char **s, struct fp_dst_register *dstReg)
+Parse_CondCodeMask(struct parse_state *parseState,
+ struct fp_dst_register *dstReg)
{
char token[100];
- if (!Parse_Token(s, token))
+ if (!Parse_Token(parseState, token))
RETURN_ERROR;
if (StrEq(token, "EQ"))
RETURN_ERROR1("Invalid condition code mask");
/* look for optional .xyzw swizzle */
- if (!Peek_Token(s, token))
+ if (!Peek_Token(parseState, token))
RETURN_ERROR;
if (token[0] == '.') {
- Parse_String(s, "."); /* consume '.' */
- if (!Parse_Token(s, token)) /* get xyzw suffix */
+ Parse_String(parseState, "."); /* consume '.' */
+ if (!Parse_Token(parseState, token)) /* get xyzw suffix */
RETURN_ERROR;
if (!Parse_SwizzleSuffix(token, dstReg->CondSwizzle))
* Parse a temporary register: Rnn or Hnn
*/
static GLboolean
-Parse_TempReg(const char **s, GLint *tempRegNum)
+Parse_TempReg(struct parse_state *parseState, GLint *tempRegNum)
{
char token[100];
/* Should be 'R##' or 'H##' */
- if (!Parse_Token(s, token))
+ if (!Parse_Token(parseState, token))
RETURN_ERROR;
if (token[0] != 'R' && token[0] != 'H')
RETURN_ERROR1("Expected R## or H##");
static GLboolean
-Parse_DummyReg(const char **s, GLint *regNum)
+Parse_DummyReg(struct parse_state *parseState, GLint *regNum)
{
char token[100];
/* Should be 'RC' or 'HC' */
- if (!Parse_Token(s, token))
+ if (!Parse_Token(parseState, token))
RETURN_ERROR;
if (_mesa_strcmp(token, "RC")) {
* Parse a program local parameter register "p[##]"
*/
static GLboolean
-Parse_ProgramParamReg(const char **s, GLint *regNum)
+Parse_ProgramParamReg(struct parse_state *parseState, GLint *regNum)
{
char token[100];
- if (!Parse_String(s, "p"))
+ if (!Parse_String(parseState, "p"))
RETURN_ERROR1("Expected p");
- if (!Parse_String(s, "["))
+ if (!Parse_String(parseState, "["))
RETURN_ERROR1("Expected [");
- if (!Parse_Token(s, token))
+ if (!Parse_Token(parseState, token))
RETURN_ERROR;
if (IsDigit(token[0])) {
RETURN_ERROR;
}
- if (!Parse_String(s, "]"))
+ if (!Parse_String(parseState, "]"))
RETURN_ERROR1("Expected ]");
return GL_TRUE;
* Parse f[name] - fragment input register
*/
static GLboolean
-Parse_AttribReg(const char **s, GLint *tempRegNum)
+Parse_AttribReg(struct parse_state *parseState, GLint *tempRegNum)
{
char token[100];
GLint j;
/* Match 'f' */
- if (!Parse_String(s, "f"))
+ if (!Parse_String(parseState, "f"))
RETURN_ERROR1("Expected f");
/* Match '[' */
- if (!Parse_String(s, "["))
+ if (!Parse_String(parseState, "["))
RETURN_ERROR1("Expected [");
/* get <name> and look for match */
- if (!Parse_Token(s, token)) {
+ if (!Parse_Token(parseState, token)) {
RETURN_ERROR;
}
for (j = 0; InputRegisters[j]; j++) {
}
/* Match '[' */
- if (!Parse_String(s, "]"))
+ if (!Parse_String(parseState, "]"))
RETURN_ERROR1("Expected ]");
return GL_TRUE;
static GLboolean
-Parse_OutputReg(const char **s, GLint *outputRegNum)
+Parse_OutputReg(struct parse_state *parseState, GLint *outputRegNum)
{
char token[100];
GLint j;
/* Match "o[" */
- if (!Parse_String(s, "o["))
+ if (!Parse_String(parseState, "o["))
RETURN_ERROR1("Expected o[");
/* Get output reg name */
- if (!Parse_Token(s, token))
+ if (!Parse_Token(parseState, token))
RETURN_ERROR;
/* try to match an output register name */
RETURN_ERROR1("Unrecognized output register name");
/* Match ']' */
- if (!Parse_String(s, "]"))
+ if (!Parse_String(parseState, "]"))
RETURN_ERROR1("Expected ]");
return GL_TRUE;
static GLboolean
-Parse_MaskedDstReg(const char **s, struct fp_dst_register *dstReg)
+Parse_MaskedDstReg(struct parse_state *parseState,
+ struct fp_dst_register *dstReg)
{
char token[100];
/* Dst reg can be R<n>, H<n>, o[n], RC or HC */
- if (!Peek_Token(s, token))
+ if (!Peek_Token(parseState, token))
RETURN_ERROR;
if (_mesa_strcmp(token, "RC") == 0 ||
_mesa_strcmp(token, "HC") == 0) {
/* a write-only register */
- if (!Parse_DummyReg(s, &dstReg->Register))
+ if (!Parse_DummyReg(parseState, &dstReg->Register))
RETURN_ERROR;
}
else if (token[0] == 'R' || token[0] == 'H') {
/* a temporary register */
- if (!Parse_TempReg(s, &dstReg->Register))
+ if (!Parse_TempReg(parseState, &dstReg->Register))
RETURN_ERROR;
}
else if (token[0] == 'o') {
/* an output register */
- if (!Parse_OutputReg(s, &dstReg->Register))
+ if (!Parse_OutputReg(parseState, &dstReg->Register))
RETURN_ERROR;
}
else {
}
/* Parse optional write mask */
- if (!Peek_Token(s, token))
+ if (!Peek_Token(parseState, token))
RETURN_ERROR;
if (token[0] == '.') {
/* got a mask */
GLint k = 0;
- if (!Parse_String(s, "."))
+ if (!Parse_String(parseState, "."))
RETURN_ERROR1("Expected .");
- if (!Parse_Token(s, token)) /* get xyzw writemask */
+ if (!Parse_Token(parseState, token)) /* get xyzw writemask */
RETURN_ERROR;
dstReg->WriteMask[0] = GL_FALSE;
}
/* peek optional cc mask */
- if (!Peek_Token(s, token))
+ if (!Peek_Token(parseState, token))
RETURN_ERROR;
}
else {
if (token[0] == '(') {
/* ("EQ" | "GE" | "GT" | "LE" | "LT" | "NE" | "TR" | "FL".x|y|z|w) */
/* ("EQ" | "GE" | "GT" | "LE" | "LT" | "NE" | "TR" | "FL".[xyzw]) */
- Parse_String(s, "(");
+ Parse_String(parseState, "(");
- if (!Parse_CondCodeMask(s, dstReg))
+ if (!Parse_CondCodeMask(parseState, dstReg))
RETURN_ERROR;
- if (!Parse_String(s, ")")) /* consume ")" */
+ if (!Parse_String(parseState, ")")) /* consume ")" */
RETURN_ERROR1("Expected )");
return GL_TRUE;
static GLboolean
-Parse_SwizzleSrcReg(const char **s, struct fp_src_register *srcReg)
+Parse_SwizzleSrcReg(struct parse_state *parseState,
+ struct fp_src_register *srcReg)
{
char token[100];
srcReg->NegateAbs = GL_FALSE;
/* check for '-' */
- if (!Peek_Token(s, token))
+ if (!Peek_Token(parseState, token))
RETURN_ERROR;
if (token[0] == '-') {
- (void) Parse_String(s, "-");
+ (void) Parse_String(parseState, "-");
srcReg->NegateBase = GL_TRUE;
- if (!Peek_Token(s, token))
+ if (!Peek_Token(parseState, token))
RETURN_ERROR;
}
else {
/* Src reg can be R<n>, H<n> or a named fragment attrib */
if (token[0] == 'R' || token[0] == 'H') {
- if (!Parse_TempReg(s, &srcReg->Register))
+ if (!Parse_TempReg(parseState, &srcReg->Register))
RETURN_ERROR;
}
else if (token[0] == 'f') {
- if (!Parse_AttribReg(s, &srcReg->Register))
+ if (!Parse_AttribReg(parseState, &srcReg->Register))
RETURN_ERROR;
}
else if (token[0] == 'p') {
- if (!Parse_ProgramParamReg(s, &srcReg->Register))
+ if (!Parse_ProgramParamReg(parseState, &srcReg->Register))
RETURN_ERROR;
}
else {
srcReg->Swizzle[3] = 3;
/* Look for optional swizzle suffix */
- if (!Peek_Token(s, token))
+ if (!Peek_Token(parseState, token))
RETURN_ERROR;
if (token[0] == '.') {
- (void) Parse_String(s, "."); /* consume . */
+ (void) Parse_String(parseState, "."); /* consume . */
- if (!Parse_Token(s, token))
+ if (!Parse_Token(parseState, token))
RETURN_ERROR;
if (!Parse_SwizzleSuffix(token, srcReg->Swizzle))
static GLboolean
-Parse_ScalarSrcReg(const char **s, struct fp_src_register *srcReg)
+Parse_ScalarSrcReg(struct parse_state *parseState,
+ struct fp_src_register *srcReg)
{
char token[100];
/* check for '-' */
- if (!Peek_Token(s, token))
+ if (!Peek_Token(parseState, token))
RETURN_ERROR;
if (token[0] == '-') {
srcReg->NegateBase = GL_TRUE;
- (void) Parse_String(s, "-"); /* consume '-' */
- if (!Peek_Token(s, token))
+ (void) Parse_String(parseState, "-"); /* consume '-' */
+ if (!Peek_Token(parseState, token))
RETURN_ERROR;
}
else {
/* Src reg can be R<n>, H<n> or a named fragment attrib */
if (token[0] == 'R' || token[0] == 'H') {
- if (!Parse_TempReg(s, &srcReg->Register))
+ if (!Parse_TempReg(parseState, &srcReg->Register))
RETURN_ERROR;
}
else if (token[0] == 'f') {
- if (!Parse_AttribReg(s, &srcReg->Register))
+ if (!Parse_AttribReg(parseState, &srcReg->Register))
RETURN_ERROR;
}
else {
}
/* Look for .[xyzw] suffix */
- if (!Parse_String(s, "."))
+ if (!Parse_String(parseState, "."))
RETURN_ERROR1("Expected .");
- if (!Parse_Token(s, token))
+ if (!Parse_Token(parseState, token))
RETURN_ERROR;
if (token[0] == 'x' && token[1] == 0) {
static GLboolean
-Parse_InstructionSequence(struct fragment_program *fragProg,
- const char **s, struct fp_instruction program[])
+Parse_InstructionSequence(struct parse_state *parseState,
+ struct fp_instruction program[])
{
char token[100];
- GLint count = 0;
while (1) {
- struct fp_instruction *inst = program + count;
+ struct fp_instruction *inst = program + parseState->numInst;
struct instruction_pattern instMatch;
/* Initialize the instruction */
inst->DstReg.Register = -1;
/* get token */
- if (!Parse_Token(s, token)) {
+ if (!Parse_Token(parseState, token)) {
inst->Opcode = FP_OPCODE_END;
- printf("END OF PROGRAM %d\n", count);
- count++;
+ printf("END OF PROGRAM %d\n", parseState->numInst);
+ parseState->numInst++;
break;
}
if (StrEq(token, "DEFINE")) {
char id[100];
GLfloat value[7]; /* yes, 7 to be safe */
- if (!Parse_Identifier(s, id))
+ if (!Parse_Identifier(parseState, id))
RETURN_ERROR;
- if (!Parse_String(s, "="))
+ if (!Parse_String(parseState, "="))
RETURN_ERROR1("Expected =");
- if (!Parse_VectorOrScalarConstant(s, value))
+ if (!Parse_VectorOrScalarConstant(parseState, value))
RETURN_ERROR;
- if (!Parse_String(s, ";"))
+ if (!Parse_String(parseState, ";"))
RETURN_ERROR1("Expected ;");
printf("Parsed DEFINE %s = %f %f %f %f\n", id, value[0], value[1],
value[2], value[3]);
- _mesa_add_symbol(&(fragProg->SymbolTable), id, Definition, value);
+ _mesa_add_symbol(&(parseState->program->SymbolTable), id, Definition, value);
}
else if (StrEq(token, "DECLARE")) {
char id[100];
GLfloat value[7] = {0, 0, 0, 0, 0, 0, 0}; /* yes, to be safe */
- if (!Parse_Identifier(s, id))
+ if (!Parse_Identifier(parseState, id))
RETURN_ERROR;
- if (!Peek_Token(s, token))
+ if (!Peek_Token(parseState, token))
RETURN_ERROR;
if (token[0] == '=') {
- Parse_String(s, "=");
- if (!Parse_VectorOrScalarConstant(s, value))
+ Parse_String(parseState, "=");
+ if (!Parse_VectorOrScalarConstant(parseState, value))
RETURN_ERROR;
printf("Parsed DECLARE %s = %f %f %f %f\n", id,
value[0], value[1], value[2], value[3]);
else {
printf("Parsed DECLARE %s\n", id);
}
- if (!Parse_String(s, ";"))
+ if (!Parse_String(parseState, ";"))
RETURN_ERROR1("Expected ;");
- _mesa_add_symbol(&(fragProg->SymbolTable), id, Declaration, value);
+ _mesa_add_symbol(&(parseState->program->SymbolTable), id, Declaration, value);
}
else {
/* arithmetic instruction */
* parse the input and output operands
*/
if (instMatch.outputs == OUTPUT_S || instMatch.outputs == OUTPUT_V) {
- if (!Parse_MaskedDstReg(s, &inst->DstReg))
+ if (!Parse_MaskedDstReg(parseState, &inst->DstReg))
RETURN_ERROR;
- if (!Parse_String(s, ","))
+ if (!Parse_String(parseState, ","))
RETURN_ERROR1("Expected ,");
}
else if (instMatch.outputs == OUTPUT_NONE) {
ASSERT(instMatch.opcode == FP_OPCODE_KIL);
/* This is a little weird, the cond code info is in the dest register */
- if (!Parse_CondCodeMask(s, &inst->DstReg))
+ if (!Parse_CondCodeMask(parseState, &inst->DstReg))
RETURN_ERROR;
}
if (instMatch.inputs == INPUT_1V) {
- if (!Parse_SwizzleSrcReg(s, &inst->SrcReg[0]))
+ if (!Parse_SwizzleSrcReg(parseState, &inst->SrcReg[0]))
RETURN_ERROR;
}
else if (instMatch.inputs == INPUT_2V) {
- if (!Parse_SwizzleSrcReg(s, &inst->SrcReg[0]))
+ if (!Parse_SwizzleSrcReg(parseState, &inst->SrcReg[0]))
RETURN_ERROR;
- if (!Parse_String(s, ","))
+ if (!Parse_String(parseState, ","))
RETURN_ERROR1("Expected ,");
- if (!Parse_SwizzleSrcReg(s, &inst->SrcReg[1]))
+ if (!Parse_SwizzleSrcReg(parseState, &inst->SrcReg[1]))
RETURN_ERROR;
}
else if (instMatch.inputs == INPUT_3V) {
- if (!Parse_SwizzleSrcReg(s, &inst->SrcReg[1]))
+ if (!Parse_SwizzleSrcReg(parseState, &inst->SrcReg[1]))
RETURN_ERROR;
- if (!Parse_String(s, ","))
+ if (!Parse_String(parseState, ","))
RETURN_ERROR1("Expected ,");
- if (!Parse_SwizzleSrcReg(s, &inst->SrcReg[1]))
+ if (!Parse_SwizzleSrcReg(parseState, &inst->SrcReg[1]))
RETURN_ERROR;
- if (!Parse_String(s, ","))
+ if (!Parse_String(parseState, ","))
RETURN_ERROR1("Expected ,");
- if (!Parse_SwizzleSrcReg(s, &inst->SrcReg[1]))
+ if (!Parse_SwizzleSrcReg(parseState, &inst->SrcReg[1]))
RETURN_ERROR;
}
else if (instMatch.inputs == INPUT_1S) {
- if (!Parse_ScalarSrcReg(s, &inst->SrcReg[1]))
+ if (!Parse_ScalarSrcReg(parseState, &inst->SrcReg[1]))
RETURN_ERROR;
}
else if (instMatch.inputs == INPUT_2S) {
- if (!Parse_ScalarSrcReg(s, &inst->SrcReg[0]))
+ if (!Parse_ScalarSrcReg(parseState, &inst->SrcReg[0]))
RETURN_ERROR;
- if (!Parse_String(s, ","))
+ if (!Parse_String(parseState, ","))
RETURN_ERROR1("Expected ,");
- if (!Parse_ScalarSrcReg(s, &inst->SrcReg[1]))
+ if (!Parse_ScalarSrcReg(parseState, &inst->SrcReg[1]))
RETURN_ERROR;
}
else if (instMatch.inputs == INPUT_CC) {
- /*
-#if 00
- if (!ParseCondCodeSrc(s, &inst->srcReg[0]))
- RETURN_ERROR;
-#endif
- */
+ /* XXX to-do */
}
else if (instMatch.inputs == INPUT_1V_T) {
- if (!Parse_SwizzleSrcReg(s, &inst->SrcReg[0]))
+ if (!Parse_SwizzleSrcReg(parseState, &inst->SrcReg[0]))
RETURN_ERROR;
- if (!Parse_String(s, ","))
+ if (!Parse_String(parseState, ","))
RETURN_ERROR1("Expected ,");
- if (!Parse_TextureImageId(s, &inst->TexSrcUnit, &inst->TexSrcTarget))
+ if (!Parse_TextureImageId(parseState, &inst->TexSrcUnit,
+ &inst->TexSrcIndex))
RETURN_ERROR;
}
else if (instMatch.inputs == INPUT_3V_T) {
- if (!Parse_SwizzleSrcReg(s, &inst->SrcReg[0]))
+ if (!Parse_SwizzleSrcReg(parseState, &inst->SrcReg[0]))
RETURN_ERROR;
- if (!Parse_String(s, ","))
+ if (!Parse_String(parseState, ","))
RETURN_ERROR1("Expected ,");
- if (!Parse_SwizzleSrcReg(s, &inst->SrcReg[1]))
+ if (!Parse_SwizzleSrcReg(parseState, &inst->SrcReg[1]))
RETURN_ERROR;
- if (!Parse_String(s, ","))
+ if (!Parse_String(parseState, ","))
RETURN_ERROR1("Expected ,");
- if (!Parse_SwizzleSrcReg(s, &inst->SrcReg[2]))
+ if (!Parse_SwizzleSrcReg(parseState, &inst->SrcReg[2]))
RETURN_ERROR;
- if (!Parse_String(s, ","))
+ if (!Parse_String(parseState, ","))
RETURN_ERROR1("Expected ,");
- if (!Parse_TextureImageId(s, &inst->TexSrcUnit, &inst->TexSrcTarget))
+ if (!Parse_TextureImageId(parseState, &inst->TexSrcUnit,
+ &inst->TexSrcIndex))
RETURN_ERROR;
}
/* end of statement semicolon */
- if (!Parse_String(s, ";"))
+ if (!Parse_String(parseState, ";"))
RETURN_ERROR1("Expected ;");
- count++;
- if (count >= MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS)
+ parseState->numInst++;
+
+ if (parseState->numInst >= MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS)
RETURN_ERROR1("Program too long");
}
}
}
+static const char *
+find_line_column(const char *string, const char *pos, GLint *line, GLint *col)
+{
+ const char *lineStart = string;
+ const char *p = string;
+ char *s;
+ int len;
+
+ *line = 1;
+
+ while (p != pos) {
+ if (*p == '\n') {
+ (*line)++;
+ lineStart = p + 1;
+ }
+ p++;
+ }
+
+ *col = (pos - lineStart) + 1;
+
+ /* return copy of this line */
+ while (*p != 0 && *p != '\n')
+ p++;
+ len = p - lineStart;
+ s = (char *) _mesa_malloc(len + 1);
+ _mesa_memcpy(s, lineStart, len);
+ s[len] = 0;
+
+ return s;
+}
+
+
/**
* Parse/compile the 'str' returning the compiled 'program'.
* ctx->Program.ErrorPos will be -1 if successful. Otherwise, ErrorPos
const GLubyte *str, GLsizei len,
struct fragment_program *program)
{
- const char *s;
+ struct parse_state parseState;
struct fp_instruction instBuffer[MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS];
- GLubyte *newString;
struct fp_instruction *newInst;
GLenum target;
GLubyte *programString;
MEMCPY(programString, str, len);
programString[len] = 0;
+ /* Get ready to parse */
+ parseState.program = program;
+ parseState.numInst = 0;
+ program->InputsRead = 0;
+ program->OutputsWritten = 0;
/* check the program header */
if (_mesa_strncmp((const char *) programString, "!!FP1.0", 7) == 0) {
target = GL_FRAGMENT_PROGRAM_NV;
- s = (const char *) programString + 7;
+ parseState.pos = (char *) programString + 7;
}
else {
/* invalid header */
return;
}
- /* XXX temporary */
- CurrentProgram = program;
-
- if (Parse_InstructionSequence(program, &s, instBuffer)) {
- GLuint numInst;
- GLuint strLen;
- GLuint inputsRead = 0;
- GLuint outputsWritten = 0;
- /**GLuint progRegsWritten = 0;**/
-
- /* Find length of the program and compute bitmasks to indicate which
- * vertex input registers are read, which vertex result registers are
- * written to, and which program registers are written to.
- * We could actually do this while we parse the program.
- */
- for (numInst = 0; instBuffer[numInst].Opcode != FP_OPCODE_END; numInst++) {
-#if 0
- const GLint srcReg0 = instBuffer[numInst].SrcReg[0].Register;
- const GLint srcReg1 = instBuffer[numInst].SrcReg[1].Register;
- const GLint srcReg2 = instBuffer[numInst].SrcReg[2].Register;
- const GLint dstReg = instBuffer[numInst].DstReg.Register;
-
- if ((r = OutputRegisterNumber(dstReg)) >= 0)
- outputsWritten |= (1 << r);
- else if (IsProgRegister(dstReg))
- progRegsWritten |= (1 << (dstReg - FP_PROG_REG_START));
- if ((r = InputRegisterNumber(srcReg0)) >= 0
- && !instBuffer[numInst].SrcReg[0].RelAddr)
- inputsRead |= (1 << r);
- if ((r = InputRegisterNumber(srcReg1)) >= 0
- && !instBuffer[numInst].SrcReg[1].RelAddr)
- inputsRead |= (1 << r);
- if ((r = InputRegisterNumber(srcReg2)) >= 0
- && !instBuffer[numInst].SrcReg[2].RelAddr)
- inputsRead |= (1 << r);
-#endif
- }
- numInst++;
- printf("numInst %d\n", numInst);
-
- program->InputsRead = inputsRead;
- program->OutputsWritten = outputsWritten;
-
- /* make copy of the input program string */
- strLen = _mesa_strlen((const char *) str);
- newString = (GLubyte *) MALLOC(strLen + 1);
- if (!newString) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
- return;
- }
- MEMCPY(newString, str, strLen);
- newString[strLen] = 0; /* terminate */
+ if (Parse_InstructionSequence(&parseState, instBuffer)) {
+ /* success! */
/* copy the compiled instructions */
- assert(numInst <= MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS);
- newInst = (struct fp_instruction *) MALLOC(numInst * sizeof(struct fp_instruction));
+ assert(parseState.numInst <= MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS);
+ newInst = (struct fp_instruction *)
+ MALLOC(parseState.numInst * sizeof(struct fp_instruction));
if (!newInst) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
return; /* out of memory */
}
- MEMCPY(newInst, instBuffer, numInst * sizeof(struct fp_instruction));
+ MEMCPY(newInst, instBuffer,
+ parseState.numInst * sizeof(struct fp_instruction));
/* install the program */
program->Base.Target = target;
if (program->Base.String) {
FREE(program->Base.String);
}
- program->Base.String = newString;
+ program->Base.String = programString;
if (program->Instructions) {
FREE(program->Instructions);
}
}
else {
/* Error! */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV");
+ ctx->Program.ErrorPos = (GLubyte *) parseState.pos - programString;
#ifdef DEBUG
- /* print a message showing the program line containing the error */
- ctx->Program.ErrorPos = (GLubyte *) s - str;
{
- const GLubyte *p = str, *line = str;
- int lineNum = 1, statementNum = 1, column = 0;
- char errorLine[1000];
- int i;
- while (*p && p < (const GLubyte *) s) { /* s is the error position */
- if (*p == '\n') {
- line = p + 1;
- lineNum++;
- column = 0;
- }
- else if (*p == ';') {
- statementNum++;
- }
- else
- column++;
- p++;
- }
- if (p) {
- /* Copy the line with the error into errorLine so we can null-
- * terminate it.
- */
- for (i = 0; line[i] != '\n' && line[i]; i++)
- errorLine[i] = (char) line[i];
- errorLine[i] = 0;
- }
- /*
- _mesa_debug("Error pos = %d (%c) col %d\n",
- ctx->Program.ErrorPos, *s, column);
- */
- _mesa_debug(ctx, "Fragment program error on line %2d: %s\n", lineNum, errorLine);
- _mesa_debug(ctx, " (statement %2d) near column %2d: ", statementNum, column+1);
- for (i = 0; i < column; i++)
- _mesa_debug(ctx, " ");
- _mesa_debug(ctx, "^\n");
+ GLint line, column;
+ const char *lineStr;
+ lineStr = find_line_column((const char *) programString,
+ parseState.pos, &line, &column);
+ _mesa_debug(ctx, "Parse error on line %d, column %d:%s\n",
+ line, column, lineStr);
+ _mesa_free(lineStr);
}
#endif
- _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV");
}
}
PrintTextureSrc(const struct fp_instruction *inst)
{
_mesa_printf("TEX%d, ", inst->TexSrcUnit);
- switch (inst->TexSrcTarget) {
- case GL_TEXTURE_1D:
+ switch (inst->TexSrcIndex) {
+ case TEXTURE_1D_INDEX:
_mesa_printf("1D");
break;
- case GL_TEXTURE_2D:
+ case TEXTURE_2D_INDEX:
_mesa_printf("2D");
break;
- case GL_TEXTURE_3D:
+ case TEXTURE_3D_INDEX:
_mesa_printf("3D");
break;
- case GL_TEXTURE_RECTANGLE_NV:
+ case TEXTURE_RECT_INDEX:
_mesa_printf("RECT");
break;
- case GL_TEXTURE_CUBE_MAP:
+ case TEXTURE_CUBE_INDEX:
_mesa_printf("CUBE");
break;
default:
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