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-rw-r--r--src/mesa/main/nvfragparse.c86
1 files changed, 62 insertions, 24 deletions
diff --git a/src/mesa/main/nvfragparse.c b/src/mesa/main/nvfragparse.c
index 03c2060856..725415ad85 100644
--- a/src/mesa/main/nvfragparse.c
+++ b/src/mesa/main/nvfragparse.c
@@ -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;
+
+ /*
+ * First, take care of +/- and absolute value stuff.
+ */
+ if (Parse_String(parseState, "-"))
+ sign = -1.0F;
+ else if (Parse_String(parseState, "+"))
+ sign = +1.0F;
- /* check for '-' */
- if (Parse_String(parseState, "-")) {
- srcReg->NegateBase = GL_TRUE;
+ 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);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-30 06:01:12 +0000