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minor parser fixes, program print-out fixes

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This commit is contained in:
Brian Paul 2003-04-07 14:58:58 +00:00
parent 670c8780f7
commit 14995b3d3b
1 changed files with 62 additions and 24 deletions
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86
src/mesa/main/nvfragparse.c
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@ -1,4 +1,4 @@
/* $Id: nvfragparse.c,v 1.17 2003/04/05 00:38:09 brianp Exp $ */
/* $Id: nvfragparse.c,v 1.18 2003/04/07 14:58:58 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -607,11 +607,12 @@ Parse_VectorConstant(struct parse_state *parseState, GLfloat *vec)
{
/* "{" was already consumed */
ASSIGN_4V(vec, 0.0, 0.0, 0.0, 1.0);
if (!Parse_ScalarConstant(parseState, vec+0)) /* X */
return GL_FALSE;
if (Parse_String(parseState, "}")) {
vec[1] = vec[2] = vec[3] = vec[0];
return GL_TRUE;
}
@ -622,7 +623,6 @@ Parse_VectorConstant(struct parse_state *parseState, GLfloat *vec)
return GL_FALSE;
if (Parse_String(parseState, "}")) {
vec[2] = vec[3] = vec[1];
return GL_TRUE;
}
@ -633,7 +633,6 @@ Parse_VectorConstant(struct parse_state *parseState, GLfloat *vec)
return GL_FALSE;
if (Parse_String(parseState, "}")) {
vec[3] = vec[2];
return GL_TRUE;
}
@ -1179,13 +1178,31 @@ Parse_ScalarSrcReg(struct parse_state *parseState,
struct fp_src_register *srcReg)
{
GLubyte token[100];
GLfloat sign = 1.0F;
/* check for '-' */
if (Parse_String(parseState, "-")) {
srcReg->NegateBase = GL_TRUE;
/*
* First, take care of +/- and absolute value stuff.
*/
if (Parse_String(parseState, "-"))
sign = -1.0F;
else if (Parse_String(parseState, "+"))
sign = +1.0F;
if (Parse_String(parseState, "|")) {
srcReg->Abs = GL_TRUE;
srcReg->NegateAbs = (sign < 0.0F) ? GL_TRUE : GL_FALSE;
if (Parse_String(parseState, "-"))
srcReg->NegateBase = GL_TRUE;
else if (Parse_String(parseState, "+"))
srcReg->NegateBase = GL_FALSE;
else
srcReg->NegateBase = GL_FALSE;
}
else {
srcReg->NegateBase = GL_FALSE;
srcReg->Abs = GL_FALSE;
srcReg->NegateAbs = GL_FALSE;
srcReg->NegateBase = (sign < 0.0F) ? GL_TRUE : GL_FALSE;
}
if (!Peek_Token(parseState, token))
@ -1228,6 +1245,11 @@ Parse_ScalarSrcReg(struct parse_state *parseState,
}
srcReg->Swizzle[1] = srcReg->Swizzle[2] = srcReg->Swizzle[3] = 0;
/* Finish absolute value */
if (srcReg->Abs && !Parse_String(parseState, "|")) {
RETURN_ERROR1("Expected |");
}
return GL_TRUE;
}
@ -1246,6 +1268,9 @@ Parse_InstructionSequence(struct parse_state *parseState,
inst->SrcReg[0].Register = -1;
inst->SrcReg[1].Register = -1;
inst->SrcReg[2].Register = -1;
inst->SrcReg[0].IsParameter = GL_FALSE;
inst->SrcReg[1].IsParameter = GL_FALSE;
inst->SrcReg[2].IsParameter = GL_FALSE;
inst->DstReg.Register = -1;
/* special instructions */
@ -1347,7 +1372,7 @@ Parse_InstructionSequence(struct parse_state *parseState,
RETURN_ERROR;
}
else if (instMatch.inputs == INPUT_3V) {
if (!Parse_VectorSrc(parseState, &inst->SrcReg[1]))
if (!Parse_VectorSrc(parseState, &inst->SrcReg[0]))
RETURN_ERROR;
if (!Parse_String(parseState, ","))
RETURN_ERROR1("Expected ,");
@ -1355,11 +1380,11 @@ Parse_InstructionSequence(struct parse_state *parseState,
RETURN_ERROR;
if (!Parse_String(parseState, ","))
RETURN_ERROR1("Expected ,");
if (!Parse_VectorSrc(parseState, &inst->SrcReg[1]))
if (!Parse_VectorSrc(parseState, &inst->SrcReg[2]))
RETURN_ERROR;
}
else if (instMatch.inputs == INPUT_1S) {
if (!Parse_ScalarSrcReg(parseState, &inst->SrcReg[1]))
if (!Parse_ScalarSrcReg(parseState, &inst->SrcReg[0]))
RETURN_ERROR;
}
else if (instMatch.inputs == INPUT_2S) {
@ -1552,7 +1577,8 @@ _mesa_parse_nv_fragment_program(GLcontext *ctx, GLenum dstTarget,
static void
PrintSrcReg(const struct fp_src_register *src)
PrintSrcReg(const struct fragment_program *program,
const struct fp_src_register *src)
{
static const char comps[5] = "xyzw";
GLint r;
@ -1566,7 +1592,19 @@ PrintSrcReg(const struct fp_src_register *src)
if (src->NegateBase) {
_mesa_printf("-");
}
if ((r = OutputRegisterNumber(src->Register)) >= 0) {
if (src->IsParameter) {
if (program->Parameters[src->Register].Constant) {
printf("{%g, %g, %g, %g}",
program->Parameters[src->Register].Values[0],
program->Parameters[src->Register].Values[1],
program->Parameters[src->Register].Values[2],
program->Parameters[src->Register].Values[3]);
}
else {
printf("%s", program->Parameters[src->Register].Name);
}
}
else if ((r = OutputRegisterNumber(src->Register)) >= 0) {
_mesa_printf("o[%s]", OutputRegisters[r]);
}
else if ((r = InputRegisterNumber(src->Register)) >= 0) {
@ -1671,7 +1709,7 @@ PrintDstReg(const struct fp_dst_register *dst)
_mesa_printf("o[%s]", OutputRegisters[r]);
}
else if ((r = HalfTempRegisterNumber(dst->Register)) >= 0) {
_mesa_printf("H[%s]", InputRegisters[r]);
_mesa_printf("H%d", r);
}
else if ((r = TempRegisterNumber(dst->Register)) >= 0) {
_mesa_printf("R%d", r);
@ -1747,32 +1785,32 @@ _mesa_print_nv_fragment_program(const struct fragment_program *program)
/* print source register(s) */
if (Instructions[i].inputs == INPUT_1V ||
Instructions[i].inputs == INPUT_1S) {
PrintSrcReg(&inst->SrcReg[0]);
PrintSrcReg(program, &inst->SrcReg[0]);
}
else if (Instructions[i].inputs == INPUT_2V ||
Instructions[i].inputs == INPUT_2S) {
PrintSrcReg(&inst->SrcReg[0]);
PrintSrcReg(program, &inst->SrcReg[0]);
_mesa_printf(", ");
PrintSrcReg(&inst->SrcReg[1]);
PrintSrcReg(program, &inst->SrcReg[1]);
}
else if (Instructions[i].inputs == INPUT_3V) {
PrintSrcReg(&inst->SrcReg[0]);
PrintSrcReg(program, &inst->SrcReg[0]);
_mesa_printf(", ");
PrintSrcReg(&inst->SrcReg[1]);
PrintSrcReg(program, &inst->SrcReg[1]);
_mesa_printf(", ");
PrintSrcReg(&inst->SrcReg[2]);
PrintSrcReg(program, &inst->SrcReg[2]);
}
else if (Instructions[i].inputs == INPUT_1V_T) {
PrintSrcReg(&inst->SrcReg[0]);
PrintSrcReg(program, &inst->SrcReg[0]);
_mesa_printf(", ");
PrintTextureSrc(inst);
}
else if (Instructions[i].inputs == INPUT_3V_T) {
PrintSrcReg(&inst->SrcReg[0]);
PrintSrcReg(program, &inst->SrcReg[0]);
_mesa_printf(", ");
PrintSrcReg(&inst->SrcReg[1]);
PrintSrcReg(program, &inst->SrcReg[1]);
_mesa_printf(", ");
PrintSrcReg(&inst->SrcReg[2]);
PrintSrcReg(program, &inst->SrcReg[2]);
_mesa_printf(", ");
PrintTextureSrc(inst);
}