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author | Brian Paul <brian.paul@tungstengraphics.com> | 2003-05-10 04:36:11 +0000 |
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committer | Brian Paul <brian.paul@tungstengraphics.com> | 2003-05-10 04:36:11 +0000 |
commit | 3fdb8fbfc5eb82822ac8b5f3e2376249ae7c73ca (patch) | |
tree | c585b3cbeae28cfa23473fc9267eac5d9a6d6b33 /src/mesa | |
parent | ea31ca47200d96b7cc687989ee7f9953819fddbb (diff) | |
download | external_mesa3d-3fdb8fbfc5eb82822ac8b5f3e2376249ae7c73ca.zip external_mesa3d-3fdb8fbfc5eb82822ac8b5f3e2376249ae7c73ca.tar.gz external_mesa3d-3fdb8fbfc5eb82822ac8b5f3e2376249ae7c73ca.tar.bz2 |
fix scalar literal parsing glitches
Diffstat (limited to 'src/mesa')
-rw-r--r-- | src/mesa/main/nvfragparse.c | 18 | ||||
-rw-r--r-- | src/mesa/main/nvfragprog.h | 6 |
2 files changed, 20 insertions, 4 deletions
diff --git a/src/mesa/main/nvfragparse.c b/src/mesa/main/nvfragparse.c index 5846452..f9d66f4 100644 --- a/src/mesa/main/nvfragparse.c +++ b/src/mesa/main/nvfragparse.c @@ -136,7 +136,7 @@ struct parse_state { GLuint numInst; /* number of instructions parsed */ GLuint inputsRead; /* bitmask of input registers used */ - GLuint outputsWritten; /* 2 = depth register */ + GLuint outputsWritten; /* bitmask of 1 << FRAG_OUTPUT_* bits */ GLuint texturesUsed[MAX_TEXTURE_IMAGE_UNITS]; }; @@ -545,6 +545,7 @@ Parse_Identifier(struct parse_state *parseState, GLubyte *ident) /** * Parse a floating point constant, or a defined symbol name. * [+/-]N[.N[eN]] + * Output: number[0 .. 3] will get the value. */ static GLboolean Parse_ScalarConstant(struct parse_state *parseState, GLfloat *number) @@ -556,6 +557,9 @@ Parse_ScalarConstant(struct parse_state *parseState, GLfloat *number) if (end && end > (char *) parseState->pos) { /* got a number */ parseState->pos = (GLubyte *) end; + number[1] = *number; + number[2] = *number; + number[3] = *number; return GL_TRUE; } else { @@ -925,9 +929,10 @@ Parse_OutputReg(struct parse_state *parseState, GLint *outputRegNum) /* try to match an output register name */ for (j = 0; OutputRegisters[j]; j++) { if (_mesa_strcmp((const char *) token, OutputRegisters[j]) == 0) { + static GLuint bothColors = (1 << FRAG_OUTPUT_COLR) | (1 << FRAG_OUTPUT_COLH); *outputRegNum = FP_OUTPUT_REG_START + j; parseState->outputsWritten |= (1 << j); - if ((parseState->outputsWritten & 0x3) == 0x3) { + if ((parseState->outputsWritten & bothColors) == bothColors) { RETURN_ERROR1("Illegal to write to both o[COLR] and o[COLH]"); } break; @@ -1110,12 +1115,19 @@ Parse_VectorSrc(struct parse_state *parseState, srcReg->IsParameter = GL_TRUE; srcReg->Register = paramIndex; } - else if (IsDigit(token[0]) || token[0] == '-' || token[0] == '+'){ + else if (IsDigit(token[0]) || token[0] == '-' || token[0] == '+' || token[0] == '.'){ /* literal scalar constant */ GLfloat values[4]; + GLuint paramIndex; if (!Parse_ScalarConstant(parseState, values)) RETURN_ERROR; +#if 0 srcReg->Register = 0; /* XXX fix */ +#else + paramIndex = add_unnamed_constant(parseState, values); + srcReg->IsParameter = GL_TRUE; + srcReg->Register = paramIndex; +#endif } else if (token[0] == '{'){ /* literal vector constant */ diff --git a/src/mesa/main/nvfragprog.h b/src/mesa/main/nvfragprog.h index 2e9d829..5505582 100644 --- a/src/mesa/main/nvfragprog.h +++ b/src/mesa/main/nvfragprog.h @@ -1,4 +1,4 @@ -/* $Id: nvfragprog.h,v 1.6 2003/04/05 00:38:09 brianp Exp $ */ +/* $Id: nvfragprog.h,v 1.7 2003/05/10 04:36:11 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -50,6 +50,10 @@ #define FRAG_ATTRIB_TEX6 10 #define FRAG_ATTRIB_TEX7 11 +#define FRAG_OUTPUT_COLR 0 +#define FRAG_OUTPUT_COLH 1 +#define FRAG_OUTPUT_DEPR 2 + /* Location of register sets within the whole register file */ #define FP_INPUT_REG_START 0 |