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Added PRINT instruction for GL_NV_fragment_program.

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This commit is contained in:
Brian Paul
2004-12-18 16:18:00 +00:00
parent 6cec977773
commit 2a5afe3ab8
5 changed files with 107 additions and 15 deletions
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79
src/mesa/shader/nvfragparse.c
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@@ -58,6 +58,7 @@
#define INPUT_1V_T 7 /* one source vector, plus textureId */
#define INPUT_3V_T 8 /* one source vector, plus textureId */
#define INPUT_NONE 9
#define INPUT_1V_S 10 /* a string and a vector register */
#define OUTPUT_V 20
#define OUTPUT_S 21
#define OUTPUT_NONE 22
@@ -95,7 +96,7 @@ static const struct instruction_pattern Instructions[] = {
{ "EX2", FP_OPCODE_DP4, INPUT_1S, OUTPUT_S, _R | _H | _C | _S },
{ "FLR", FP_OPCODE_FLR, INPUT_1V, OUTPUT_V, _R | _H | _X | _C | _S },
{ "FRC", FP_OPCODE_FRC, INPUT_1V, OUTPUT_V, _R | _H | _X | _C | _S },
{ "KIL", FP_OPCODE_KIL_NV, INPUT_CC, OUTPUT_NONE, 0 },
{ "KIL", FP_OPCODE_KIL_NV, INPUT_CC, OUTPUT_NONE, 0 },
{ "LG2", FP_OPCODE_LG2, INPUT_1S, OUTPUT_S, _R | _H | _C | _S },
{ "LIT", FP_OPCODE_LIT, INPUT_1V, OUTPUT_V, _R | _H | _C | _S },
{ "LRP", FP_OPCODE_LRP, INPUT_3V, OUTPUT_V, _R | _H | _X | _C | _S },
@@ -124,12 +125,13 @@ static const struct instruction_pattern Instructions[] = {
{ "SUB", FP_OPCODE_SUB, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
{ "TEX", FP_OPCODE_TEX, INPUT_1V_T, OUTPUT_V, _C | _S },
{ "TXD", FP_OPCODE_TXD, INPUT_3V_T, OUTPUT_V, _C | _S },
{ "TXP", FP_OPCODE_TXP_NV, INPUT_1V_T, OUTPUT_V, _C | _S },
{ "TXP", FP_OPCODE_TXP_NV, INPUT_1V_T, OUTPUT_V, _C | _S },
{ "UP2H", FP_OPCODE_UP2H, INPUT_1S, OUTPUT_V, _C | _S },
{ "UP2US", FP_OPCODE_UP2US, INPUT_1S, OUTPUT_V, _C | _S },
{ "UP4B", FP_OPCODE_UP4B, INPUT_1S, OUTPUT_V, _C | _S },
{ "UP4UB", FP_OPCODE_UP4UB, INPUT_1S, OUTPUT_V, _C | _S },
{ "X2D", FP_OPCODE_X2D, INPUT_3V, OUTPUT_V, _R | _H | _C | _S },
{ "PRINT", FP_OPCODE_PRINT, INPUT_1V_S, OUTPUT_NONE, 0 },
{ NULL, (enum fp_opcode) -1, 0, 0, 0 }
};
@@ -1190,6 +1192,60 @@ Parse_ScalarSrcReg(struct parse_state *parseState,
}
static GLboolean
Parse_PrintInstruction(struct parse_state *parseState,
struct fp_instruction *inst)
{
const GLubyte *str;
GLubyte *msg;
GLuint len;
/* The first argument is a literal string 'just like this' */
if (!Parse_String(parseState, "'"))
RETURN_ERROR1("Expected '");
str = parseState->pos;
for (len = 0; str[len] != '\''; len++) /* find closing quote */
;
parseState->pos += len + 1;
msg = _mesa_malloc(len + 1);
_mesa_memcpy(msg, str, len);
msg[len] = 0;
inst->Data = msg;
if (Parse_String(parseState, ",")) {
/* got an optional register to print */
GLubyte token[100];
GetToken(parseState, token);
if (token[0] == 'o') {
/* dst reg */
if (!Parse_OutputReg(parseState, &inst->SrcReg[0].Index))
RETURN_ERROR;
inst->SrcReg[0].File = PROGRAM_OUTPUT;
}
else {
/* src reg */
if (!Parse_VectorSrc(parseState, &inst->SrcReg[0]))
RETURN_ERROR;
}
}
else {
/* File = 0 indicates no register to print */
inst->SrcReg[0].File = -1;
}
inst->SrcReg[0].Swizzle[0] = 0;
inst->SrcReg[0].Swizzle[1] = 1;
inst->SrcReg[0].Swizzle[2] = 2;
inst->SrcReg[0].Swizzle[3] = 3;
inst->SrcReg[0].NegateBase = GL_FALSE;
inst->SrcReg[0].Abs = GL_FALSE;
inst->SrcReg[0].NegateAbs = GL_FALSE;
return GL_TRUE;
}
static GLboolean
Parse_InstructionSequence(struct parse_state *parseState,
@@ -1209,6 +1265,7 @@ Parse_InstructionSequence(struct parse_state *parseState,
inst->DstReg.CondSwizzle[1] = 1;
inst->DstReg.CondSwizzle[2] = 2;
inst->DstReg.CondSwizzle[3] = 3;
inst->Data = NULL;
/* special instructions */
if (Parse_String(parseState, "DEFINE")) {
@@ -1291,10 +1348,16 @@ Parse_InstructionSequence(struct parse_state *parseState,
RETURN_ERROR1("Expected ,");
}
else if (instMatch.outputs == OUTPUT_NONE) {
ASSERT(instMatch.opcode == FP_OPCODE_KIL_NV);
/* This is a little weird, the cond code info is in the dest register */
if (!Parse_CondCodeMask(parseState, &inst->DstReg))
RETURN_ERROR;
if (instMatch.opcode == FP_OPCODE_KIL_NV) {
/* This is a little weird, the cond code info is in
* the dest register.
*/
if (!Parse_CondCodeMask(parseState, &inst->DstReg))
RETURN_ERROR;
}
else {
ASSERT(instMatch.opcode == FP_OPCODE_PRINT);
}
}
if (instMatch.inputs == INPUT_1V) {
@@ -1362,6 +1425,10 @@ Parse_InstructionSequence(struct parse_state *parseState,
&inst->TexSrcBit))
RETURN_ERROR;
}
else if (instMatch.inputs == INPUT_1V_S) {
if (!Parse_PrintInstruction(parseState, inst))
RETURN_ERROR;
}
/* end of statement semicolon */
if (!Parse_String(parseState, ";"))