Added new opcodes for ARB_fragment_program, like ABS, CMP, TXB, etc.
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@ -75,12 +75,15 @@
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/* Fragment program instruction opcodes */
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enum fp_opcode {
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FP_OPCODE_ADD = 1000,
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FP_OPCODE_ABS = 1000, /* ARB_f_p only */
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FP_OPCODE_ADD,
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FP_OPCODE_CMP, /* ARB_f_p only */
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FP_OPCODE_COS,
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FP_OPCODE_DDX,
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FP_OPCODE_DDY,
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FP_OPCODE_DDX, /* NV_f_p only */
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FP_OPCODE_DDY, /* NV_f_p only */
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FP_OPCODE_DP3,
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FP_OPCODE_DP4,
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FP_OPCODE_DPH, /* ARB_f_p only */
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FP_OPCODE_DST,
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FP_OPCODE_EX2,
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FP_OPCODE_FLR,
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@ -94,32 +97,35 @@ enum fp_opcode {
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FP_OPCODE_MIN,
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FP_OPCODE_MOV,
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FP_OPCODE_MUL,
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FP_OPCODE_PK2H,
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FP_OPCODE_PK2US,
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FP_OPCODE_PK4B,
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FP_OPCODE_PK4UB,
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FP_OPCODE_PK2H, /* NV_f_p only */
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FP_OPCODE_PK2US, /* NV_f_p only */
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FP_OPCODE_PK4B, /* NV_f_p only */
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FP_OPCODE_PK4UB, /* NV_f_p only */
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FP_OPCODE_POW,
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FP_OPCODE_RCP,
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FP_OPCODE_RFL,
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FP_OPCODE_RFL, /* NV_f_p only */
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FP_OPCODE_RSQ,
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FP_OPCODE_SEQ,
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FP_OPCODE_SFL,
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FP_OPCODE_SGE,
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FP_OPCODE_SGT,
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FP_OPCODE_SCS, /* ARB_f_p only */
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FP_OPCODE_SEQ, /* NV_f_p only */
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FP_OPCODE_SFL, /* NV_f_p only */
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FP_OPCODE_SGE, /* NV_f_p only */
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FP_OPCODE_SGT, /* NV_f_p only */
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FP_OPCODE_SIN,
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FP_OPCODE_SLE,
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FP_OPCODE_SLE, /* NV_f_p only */
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FP_OPCODE_SLT,
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FP_OPCODE_SNE,
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FP_OPCODE_STR,
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FP_OPCODE_SNE, /* NV_f_p only */
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FP_OPCODE_STR, /* NV_f_p only */
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FP_OPCODE_SUB,
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FP_OPCODE_SWZ, /* ARB_f_p only */
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FP_OPCODE_TEX,
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FP_OPCODE_TXD,
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FP_OPCODE_TXB, /* ARB_f_p only */
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FP_OPCODE_TXD, /* NV_f_p only */
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FP_OPCODE_TXP,
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FP_OPCODE_UP2H,
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FP_OPCODE_UP2US,
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FP_OPCODE_UP4B,
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FP_OPCODE_UP4UB,
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FP_OPCODE_X2D,
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FP_OPCODE_UP2H, /* NV_f_p only */
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FP_OPCODE_UP2US, /* NV_f_p only */
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FP_OPCODE_UP4B, /* NV_f_p only */
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FP_OPCODE_UP4UB, /* NV_f_p only */
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FP_OPCODE_X2D, /* XPD in ARB_f_p */
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FP_OPCODE_END /* private opcode */
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};
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@ -595,6 +595,17 @@ execute_program( GLcontext *ctx,
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}
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switch (inst->Opcode) {
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case FP_OPCODE_ABS:
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{
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GLfloat a[4], result[4];
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fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a );
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result[0] = FABSF(a[0]);
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result[1] = FABSF(a[1]);
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result[2] = FABSF(a[2]);
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result[3] = FABSF(a[3]);
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store_vector4( inst, machine, result );
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}
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break;
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case FP_OPCODE_ADD:
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{
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GLfloat a[4], b[4], result[4];
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@ -607,6 +618,19 @@ execute_program( GLcontext *ctx,
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store_vector4( inst, machine, result );
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}
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break;
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case FP_OPCODE_CMP:
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{
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GLfloat a[4], b[4], c[4], result[4];
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fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a );
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fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b );
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fetch_vector4( ctx, &inst->SrcReg[2], machine, program, c );
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result[0] = a[0] < 0.0F ? b[0] : c[0];
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result[1] = a[1] < 0.0F ? b[1] : c[1];
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result[2] = a[2] < 0.0F ? b[2] : c[2];
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result[3] = a[3] < 0.0F ? b[3] : c[3];
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store_vector4( inst, machine, result );
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}
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break;
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case FP_OPCODE_COS:
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{
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GLfloat a[4], result[4];
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@ -682,6 +706,16 @@ execute_program( GLcontext *ctx,
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store_vector4( inst, machine, result );
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}
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break;
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case FP_OPCODE_DPH:
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{
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GLfloat a[4], b[4], result[4];
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fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a );
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fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b );
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result[0] = result[1] = result[2] = result[3] =
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a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + b[3];
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store_vector4( inst, machine, result );
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}
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break;
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case FP_OPCODE_DST: /* Distance vector */
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{
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GLfloat a[4], b[4], result[4];
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@ -952,6 +986,17 @@ execute_program( GLcontext *ctx,
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#endif
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}
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break;
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case FP_OPCODE_SCS: /* sine and cos */
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{
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GLfloat a[4], result[4];
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fetch_vector1( ctx, &inst->SrcReg[0], machine, program, a );
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result[0] = cos(a[0]);
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result[1] = sin(a[0]);
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result[2] = 0.0; /* undefined! */
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result[3] = 0.0; /* undefined! */
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store_vector4( inst, machine, result );
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}
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break;
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case FP_OPCODE_SEQ: /* set on equal */
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{
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GLfloat a[4], b[4], result[4];
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@ -1057,6 +1102,11 @@ execute_program( GLcontext *ctx,
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store_vector4( inst, machine, result );
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}
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break;
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case FP_OPCODE_SWZ:
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{
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/* XXX to do: extended swizzle */
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}
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break;
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case FP_OPCODE_TEX:
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/* Texel lookup */
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{
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@ -1069,6 +1119,18 @@ execute_program( GLcontext *ctx,
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store_vector4( inst, machine, color );
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}
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break;
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case FP_OPCODE_TXB:
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/* Texel lookup with LOD bias */
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{
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GLfloat texcoord[4], color[4];
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fetch_vector4( ctx, &inst->SrcReg[0], machine, program, texcoord );
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/* XXX: apply bias from texcoord[3]!!! */
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fetch_texel( ctx, texcoord,
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span->array->lambda[inst->TexSrcUnit][column],
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inst->TexSrcUnit, color );
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store_vector4( inst, machine, color );
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}
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break;
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case FP_OPCODE_TXD:
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/* Texture lookup w/ partial derivatives for LOD */
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{
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