diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/shader/prog_execute.c | 1852 |
1 files changed, 924 insertions, 928 deletions
diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c index d75a55b95b1..82c578f9830 100644 --- a/src/mesa/shader/prog_execute.c +++ b/src/mesa/shader/prog_execute.c @@ -73,7 +73,7 @@ _mesa_get_program_register(GLcontext *ctx, enum register_file file, } else { COPY_4V(val, - CurrentMachine->Attribs[index][CurrentMachine->CurElement]); + CurrentMachine->Attribs[index][CurrentMachine->CurElement]); } break; case PROGRAM_OUTPUT: @@ -97,9 +97,9 @@ _mesa_get_program_register(GLcontext *ctx, enum register_file file, * source register. */ static INLINE const GLfloat * -get_register_pointer( GLcontext *ctx, - const struct prog_src_register *source, - const struct gl_program_machine *machine) +get_register_pointer(GLcontext * ctx, + const struct prog_src_register *source, + const struct gl_program_machine *machine) { /* XXX relative addressing... */ switch (source->File) { @@ -158,10 +158,9 @@ get_register_pointer( GLcontext *ctx, * Apply swizzling and negating as needed. */ static void -fetch_vector4( GLcontext *ctx, - const struct prog_src_register *source, - const struct gl_program_machine *machine, - GLfloat result[4] ) +fetch_vector4(GLcontext * ctx, + const struct prog_src_register *source, + const struct gl_program_machine *machine, GLfloat result[4]) { const GLfloat *src = get_register_pointer(ctx, source, machine); ASSERT(src); @@ -208,10 +207,10 @@ fetch_vector4( GLcontext *ctx, * need to execute another instance of the program (ugh)! */ static GLboolean -fetch_vector4_deriv( GLcontext *ctx, - const struct prog_src_register *source, - const SWspan *span, - char xOrY, GLint column, GLfloat result[4] ) +fetch_vector4_deriv(GLcontext * ctx, + const struct prog_src_register *source, + const SWspan * span, + char xOrY, GLint column, GLfloat result[4]) { GLfloat src[4]; @@ -223,14 +222,14 @@ fetch_vector4_deriv( GLcontext *ctx, src[0] = 1.0; src[1] = 0.0; src[2] = span->attrStepX[FRAG_ATTRIB_WPOS][2] - / ctx->DrawBuffer->_DepthMaxF; + / ctx->DrawBuffer->_DepthMaxF; src[3] = span->attrStepX[FRAG_ATTRIB_WPOS][3]; } else { src[0] = 0.0; src[1] = 1.0; src[2] = span->attrStepY[FRAG_ATTRIB_WPOS][2] - / ctx->DrawBuffer->_DepthMaxF; + / ctx->DrawBuffer->_DepthMaxF; src[3] = span->attrStepY[FRAG_ATTRIB_WPOS][3]; } break; @@ -269,7 +268,9 @@ fetch_vector4_deriv( GLcontext *ctx, if (xOrY == 'X') { /* this is a little tricky - I think I've got it right */ const GLfloat invQ = 1.0f / (span->attrStart[source->Index][3] - + span->attrStepX[source->Index][3] * column); + + + span->attrStepX[source->Index][3] * + column); src[0] = span->attrStepX[source->Index][0] * invQ; src[1] = span->attrStepX[source->Index][1] * invQ; src[2] = span->attrStepX[source->Index][2] * invQ; @@ -319,10 +320,9 @@ fetch_vector4_deriv( GLcontext *ctx, * As above, but only return result[0] element. */ static void -fetch_vector1( GLcontext *ctx, - const struct prog_src_register *source, - const struct gl_program_machine *machine, - GLfloat result[4] ) +fetch_vector1(GLcontext * ctx, + const struct prog_src_register *source, + const struct gl_program_machine *machine, GLfloat result[4]) { const GLfloat *src = get_register_pointer(ctx, source, machine); ASSERT(src); @@ -345,10 +345,10 @@ fetch_vector1( GLcontext *ctx, * Test value against zero and return GT, LT, EQ or UN if NaN. */ static INLINE GLuint -generate_cc( float value ) +generate_cc(float value) { if (value != value) - return COND_UN; /* NaN */ + return COND_UN; /* NaN */ if (value > 0.0F) return COND_GT; if (value < 0.0F) @@ -406,9 +406,8 @@ eval_condition(const struct gl_program_machine *machine, * set-condition-code flags. */ static void -store_vector4( const struct prog_instruction *inst, - struct gl_program_machine *machine, - const GLfloat value[4] ) +store_vector4(const struct prog_instruction *inst, + struct gl_program_machine *machine, const GLfloat value[4]) { const struct prog_dst_register *dest = &(inst->DstReg); const GLboolean clamp = inst->SaturateMode == SATURATE_ZERO_ONE; @@ -418,26 +417,25 @@ store_vector4( const struct prog_instruction *inst, GLuint writeMask = dest->WriteMask; switch (dest->File) { - case PROGRAM_OUTPUT: - dstReg = machine->Outputs[dest->Index]; - break; - case PROGRAM_TEMPORARY: - dstReg = machine->Temporaries[dest->Index]; - break; - case PROGRAM_WRITE_ONLY: - dstReg = dummyReg; - return; - default: - _mesa_problem(NULL, "bad register file in store_vector4(fp)"); - return; + case PROGRAM_OUTPUT: + dstReg = machine->Outputs[dest->Index]; + break; + case PROGRAM_TEMPORARY: + dstReg = machine->Temporaries[dest->Index]; + break; + case PROGRAM_WRITE_ONLY: + dstReg = dummyReg; + return; + default: + _mesa_problem(NULL, "bad register file in store_vector4(fp)"); + return; } #if 0 if (value[0] > 1.0e10 || IS_INF_OR_NAN(value[0]) || IS_INF_OR_NAN(value[1]) || - IS_INF_OR_NAN(value[2]) || - IS_INF_OR_NAN(value[3]) ) + IS_INF_OR_NAN(value[2]) || IS_INF_OR_NAN(value[3])) printf("store %g %g %g %g\n", value[0], value[1], value[2], value[3]); #endif @@ -502,11 +500,11 @@ store_vector4( const struct prog_instruction *inst, * Used to implement DDX and DDY instructions in non-trivial cases. */ static void -init_machine_deriv( GLcontext *ctx, - const struct gl_program_machine *machine, - const struct gl_fragment_program *program, - const SWspan *span, char xOrY, - struct gl_program_machine *dMachine ) +init_machine_deriv(GLcontext * ctx, + const struct gl_program_machine *machine, + const struct gl_fragment_program *program, + const SWspan * span, char xOrY, + struct gl_program_machine *dMachine) { GLuint attr; @@ -518,8 +516,8 @@ init_machine_deriv( GLcontext *ctx, if (program->Base.Target == GL_FRAGMENT_PROGRAM_NV) { /* XXX also need to do this when using valgrind */ /* Clear temporary registers (undefined for ARB_f_p) */ - _mesa_bzero( (void*) machine->Temporaries, - MAX_PROGRAM_TEMPS * 4 * sizeof(GLfloat)); + _mesa_bzero((void *) machine->Temporaries, + MAX_PROGRAM_TEMPS * 4 * sizeof(GLfloat)); } /* Add derivatives */ @@ -605,7 +603,7 @@ init_machine_deriv( GLcontext *ctx, * \return GL_TRUE if program completed or GL_FALSE if program executed KIL. */ GLboolean -_mesa_execute_program(GLcontext *ctx, +_mesa_execute_program(GLcontext * ctx, const struct gl_program *program, GLuint maxInst, struct gl_program_machine *machine, GLuint element) { @@ -639,941 +637,939 @@ _mesa_execute_program(GLcontext *ctx, } switch (inst->Opcode) { - case OPCODE_ABS: - { - GLfloat a[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - result[0] = FABSF(a[0]); - result[1] = FABSF(a[1]); - result[2] = FABSF(a[2]); - result[3] = FABSF(a[3]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_ADD: - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - result[0] = a[0] + b[0]; - result[1] = a[1] + b[1]; - result[2] = a[2] + b[2]; - result[3] = a[3] + b[3]; - store_vector4( inst, machine, result ); - if (DEBUG_PROG) { - printf("ADD (%g %g %g %g) = (%g %g %g %g) + (%g %g %g %g)\n", - result[0], result[1], result[2], result[3], - a[0], a[1], a[2], a[3], - b[0], b[1], b[2], b[3]); - } - } - break; - case OPCODE_BGNLOOP: - /* no-op */ - break; - case OPCODE_ENDLOOP: - /* subtract 1 here since pc is incremented by for(pc) loop */ - pc = inst->BranchTarget - 1; /* go to matching BNGLOOP */ - break; - case OPCODE_BGNSUB: /* begin subroutine */ - break; - case OPCODE_ENDSUB: /* end subroutine */ - break; - case OPCODE_BRA: /* branch (conditional) */ - /* fall-through */ - case OPCODE_BRK: /* break out of loop (conditional) */ - /* fall-through */ - case OPCODE_CONT: /* continue loop (conditional) */ - if (eval_condition(machine, inst)) { - /* take branch */ - /* Subtract 1 here since we'll do pc++ at end of for-loop */ - pc = inst->BranchTarget - 1; - } - break; - case OPCODE_CAL: /* Call subroutine (conditional) */ - if (eval_condition(machine, inst)) { - /* call the subroutine */ - if (machine->StackDepth >= MAX_PROGRAM_CALL_DEPTH) { - return GL_TRUE; /* Per GL_NV_vertex_program2 spec */ - } - machine->CallStack[machine->StackDepth++] = pc + 1; - pc = inst->BranchTarget; /* XXX - 1 ??? */ - } - break; - case OPCODE_CMP: - { - GLfloat a[4], b[4], c[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - fetch_vector4( ctx, &inst->SrcReg[2], machine, c ); - result[0] = a[0] < 0.0F ? b[0] : c[0]; - result[1] = a[1] < 0.0F ? b[1] : c[1]; - result[2] = a[2] < 0.0F ? b[2] : c[2]; - result[3] = a[3] < 0.0F ? b[3] : c[3]; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_COS: - { - GLfloat a[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, a ); - result[0] = result[1] = result[2] = result[3] - = (GLfloat) _mesa_cos(a[0]); - store_vector4( inst, machine, result ); + case OPCODE_ABS: + { + GLfloat a[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + result[0] = FABSF(a[0]); + result[1] = FABSF(a[1]); + result[2] = FABSF(a[2]); + result[3] = FABSF(a[3]); + store_vector4(inst, machine, result); + } + break; + case OPCODE_ADD: + { + GLfloat a[4], b[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + result[0] = a[0] + b[0]; + result[1] = a[1] + b[1]; + result[2] = a[2] + b[2]; + result[3] = a[3] + b[3]; + store_vector4(inst, machine, result); + if (DEBUG_PROG) { + printf("ADD (%g %g %g %g) = (%g %g %g %g) + (%g %g %g %g)\n", + result[0], result[1], result[2], result[3], + a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]); } - break; - case OPCODE_DDX: /* Partial derivative with respect to X */ - { + } + break; + case OPCODE_BGNLOOP: + /* no-op */ + break; + case OPCODE_ENDLOOP: + /* subtract 1 here since pc is incremented by for(pc) loop */ + pc = inst->BranchTarget - 1; /* go to matching BNGLOOP */ + break; + case OPCODE_BGNSUB: /* begin subroutine */ + break; + case OPCODE_ENDSUB: /* end subroutine */ + break; + case OPCODE_BRA: /* branch (conditional) */ + /* fall-through */ + case OPCODE_BRK: /* break out of loop (conditional) */ + /* fall-through */ + case OPCODE_CONT: /* continue loop (conditional) */ + if (eval_condition(machine, inst)) { + /* take branch */ + /* Subtract 1 here since we'll do pc++ at end of for-loop */ + pc = inst->BranchTarget - 1; + } + break; + case OPCODE_CAL: /* Call subroutine (conditional) */ + if (eval_condition(machine, inst)) { + /* call the subroutine */ + if (machine->StackDepth >= MAX_PROGRAM_CALL_DEPTH) { + return GL_TRUE; /* Per GL_NV_vertex_program2 spec */ + } + machine->CallStack[machine->StackDepth++] = pc + 1; + pc = inst->BranchTarget; /* XXX - 1 ??? */ + } + break; + case OPCODE_CMP: + { + GLfloat a[4], b[4], c[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + fetch_vector4(ctx, &inst->SrcReg[2], machine, c); + result[0] = a[0] < 0.0F ? b[0] : c[0]; + result[1] = a[1] < 0.0F ? b[1] : c[1]; + result[2] = a[2] < 0.0F ? b[2] : c[2]; + result[3] = a[3] < 0.0F ? b[3] : c[3]; + store_vector4(inst, machine, result); + } + break; + case OPCODE_COS: + { + GLfloat a[4], result[4]; + fetch_vector1(ctx, &inst->SrcReg[0], machine, a); + result[0] = result[1] = result[2] = result[3] + = (GLfloat) _mesa_cos(a[0]); + store_vector4(inst, machine, result); + } + break; + case OPCODE_DDX: /* Partial derivative with respect to X */ + { #if 0 - GLfloat a[4], aNext[4], result[4]; - struct gl_program_machine dMachine; - if (!fetch_vector4_deriv(ctx, &inst->SrcReg[0], span, 'X', - column, result)) { - /* This is tricky. Make a copy of the current machine state, - * increment the input registers by the dx or dy partial - * derivatives, then re-execute the program up to the - * preceeding instruction, then fetch the source register. - * Finally, find the difference in the register values for - * the original and derivative runs. - */ - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a); - init_machine_deriv(ctx, machine, program, span, - 'X', &dMachine); - execute_program(ctx, program, pc, &dMachine, span, column); - fetch_vector4( ctx, &inst->SrcReg[0], &dMachine, program, aNext ); - result[0] = aNext[0] - a[0]; - result[1] = aNext[1] - a[1]; - result[2] = aNext[2] - a[2]; - result[3] = aNext[3] - a[3]; - } - store_vector4( inst, machine, result ); + GLfloat a[4], aNext[4], result[4]; + struct gl_program_machine dMachine; + if (!fetch_vector4_deriv(ctx, &inst->SrcReg[0], span, 'X', + column, result)) { + /* This is tricky. Make a copy of the current machine state, + * increment the input registers by the dx or dy partial + * derivatives, then re-execute the program up to the + * preceeding instruction, then fetch the source register. + * Finally, find the difference in the register values for + * the original and derivative runs. + */ + fetch_vector4(ctx, &inst->SrcReg[0], machine, program, a); + init_machine_deriv(ctx, machine, program, span, + 'X', &dMachine); + execute_program(ctx, program, pc, &dMachine, span, column); + fetch_vector4(ctx, &inst->SrcReg[0], &dMachine, program, + aNext); + result[0] = aNext[0] - a[0]; + result[1] = aNext[1] - a[1]; + result[2] = aNext[2] - a[2]; + result[3] = aNext[3] - a[3]; + } + store_vector4(inst, machine, result); #else - static const GLfloat result[4] = { 0, 0, 0, 0 }; - store_vector4( inst, machine, result ); + static const GLfloat result[4] = { 0, 0, 0, 0 }; + store_vector4(inst, machine, result); #endif - } - break; - case OPCODE_DDY: /* Partial derivative with respect to Y */ - { + } + break; + case OPCODE_DDY: /* Partial derivative with respect to Y */ + { #if 0 - GLfloat a[4], aNext[4], result[4]; - struct gl_program_machine dMachine; - if (!fetch_vector4_deriv(ctx, &inst->SrcReg[0], span, 'Y', - column, result)) { - init_machine_deriv(ctx, machine, program, span, - 'Y', &dMachine); - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a); - execute_program(ctx, program, pc, &dMachine, span, column); - fetch_vector4( ctx, &inst->SrcReg[0], &dMachine, program, aNext ); - result[0] = aNext[0] - a[0]; - result[1] = aNext[1] - a[1]; - result[2] = aNext[2] - a[2]; - result[3] = aNext[3] - a[3]; - } - store_vector4( inst, machine, result ); + GLfloat a[4], aNext[4], result[4]; + struct gl_program_machine dMachine; + if (!fetch_vector4_deriv(ctx, &inst->SrcReg[0], span, 'Y', + column, result)) { + init_machine_deriv(ctx, machine, program, span, + 'Y', &dMachine); + fetch_vector4(ctx, &inst->SrcReg[0], machine, program, a); + execute_program(ctx, program, pc, &dMachine, span, column); + fetch_vector4(ctx, &inst->SrcReg[0], &dMachine, program, + aNext); + result[0] = aNext[0] - a[0]; + result[1] = aNext[1] - a[1]; + result[2] = aNext[2] - a[2]; + result[3] = aNext[3] - a[3]; + } + store_vector4(inst, machine, result); #else - static const GLfloat result[4] = { 0, 0, 0, 0 }; - store_vector4( inst, machine, result ); + static const GLfloat result[4] = { 0, 0, 0, 0 }; + store_vector4(inst, machine, result); #endif + } + break; + case OPCODE_DP3: + { + GLfloat a[4], b[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + result[0] = result[1] = result[2] = result[3] = DOT3(a, b); + store_vector4(inst, machine, result); + if (DEBUG_PROG) { + printf("DP3 %g = (%g %g %g) . (%g %g %g)\n", + result[0], a[0], a[1], a[2], b[0], b[1], b[2]); } - break; - case OPCODE_DP3: - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - result[0] = result[1] = result[2] = result[3] = DOT3(a, b); - store_vector4( inst, machine, result ); - if (DEBUG_PROG) { - printf("DP3 %g = (%g %g %g) . (%g %g %g)\n", - result[0], a[0], a[1], a[2], b[0], b[1], b[2]); - } - } - break; - case OPCODE_DP4: - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - result[0] = result[1] = result[2] = result[3] = DOT4(a,b); - store_vector4( inst, machine, result ); - if (DEBUG_PROG) { - printf("DP4 %g = (%g, %g %g %g) . (%g, %g %g %g)\n", - result[0], a[0], a[1], a[2], a[3], - b[0], b[1], b[2], b[3]); - } - } - break; - case OPCODE_DPH: - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - result[0] = result[1] = result[2] = result[3] = - a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + b[3]; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_DST: /* Distance vector */ - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - result[0] = 1.0F; - result[1] = a[1] * b[1]; - result[2] = a[2]; - result[3] = b[3]; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_EX2: /* Exponential base 2 */ - { - GLfloat a[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, a ); - result[0] = result[1] = result[2] = result[3] = - (GLfloat) _mesa_pow(2.0, a[0]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_FLR: - { - GLfloat a[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - result[0] = FLOORF(a[0]); - result[1] = FLOORF(a[1]); - result[2] = FLOORF(a[2]); - result[3] = FLOORF(a[3]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_FRC: - { - GLfloat a[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - result[0] = a[0] - FLOORF(a[0]); - result[1] = a[1] - FLOORF(a[1]); - result[2] = a[2] - FLOORF(a[2]); - result[3] = a[3] - FLOORF(a[3]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_IF: - if (eval_condition(machine, inst)) { - /* do if-clause (just continue execution) */ - } - else { - /* go to the instruction after ELSE or ENDIF */ - assert(inst->BranchTarget >= 0); - pc = inst->BranchTarget - 1; + } + break; + case OPCODE_DP4: + { + GLfloat a[4], b[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + result[0] = result[1] = result[2] = result[3] = DOT4(a, b); + store_vector4(inst, machine, result); + if (DEBUG_PROG) { + printf("DP4 %g = (%g, %g %g %g) . (%g, %g %g %g)\n", + result[0], a[0], a[1], a[2], a[3], + b[0], b[1], b[2], b[3]); } - break; - case OPCODE_ELSE: - /* goto ENDIF */ + } + break; + case OPCODE_DPH: + { + GLfloat a[4], b[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + result[0] = result[1] = result[2] = result[3] = + a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + b[3]; + store_vector4(inst, machine, result); + } + break; + case OPCODE_DST: /* Distance vector */ + { + GLfloat a[4], b[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + result[0] = 1.0F; + result[1] = a[1] * b[1]; + result[2] = a[2]; + result[3] = b[3]; + store_vector4(inst, machine, result); + } + break; + case OPCODE_EX2: /* Exponential base 2 */ + { + GLfloat a[4], result[4]; + fetch_vector1(ctx, &inst->SrcReg[0], machine, a); + result[0] = result[1] = result[2] = result[3] = + (GLfloat) _mesa_pow(2.0, a[0]); + store_vector4(inst, machine, result); + } + break; + case OPCODE_FLR: + { + GLfloat a[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + result[0] = FLOORF(a[0]); + result[1] = FLOORF(a[1]); + result[2] = FLOORF(a[2]); + result[3] = FLOORF(a[3]); + store_vector4(inst, machine, result); + } + break; + case OPCODE_FRC: + { + GLfloat a[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + result[0] = a[0] - FLOORF(a[0]); + result[1] = a[1] - FLOORF(a[1]); + result[2] = a[2] - FLOORF(a[2]); + result[3] = a[3] - FLOORF(a[3]); + store_vector4(inst, machine, result); + } + break; + case OPCODE_IF: + if (eval_condition(machine, inst)) { + /* do if-clause (just continue execution) */ + } + else { + /* go to the instruction after ELSE or ENDIF */ assert(inst->BranchTarget >= 0); pc = inst->BranchTarget - 1; - break; - case OPCODE_ENDIF: - /* nothing */ - break; - case OPCODE_INT: /* float to int */ - { - GLfloat a[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - result[0] = (GLfloat) (GLint) a[0]; - result[1] = (GLfloat) (GLint) a[1]; - result[2] = (GLfloat) (GLint) a[2]; - result[3] = (GLfloat) (GLint) a[3]; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_KIL_NV: /* NV_f_p only (conditional) */ - if (eval_condition(machine, inst)) { + } + break; + case OPCODE_ELSE: + /* goto ENDIF */ + assert(inst->BranchTarget >= 0); + pc = inst->BranchTarget - 1; + break; + case OPCODE_ENDIF: + /* nothing */ + break; + case OPCODE_INT: /* float to int */ + { + GLfloat a[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + result[0] = (GLfloat) (GLint) a[0]; + result[1] = (GLfloat) (GLint) a[1]; + result[2] = (GLfloat) (GLint) a[2]; + result[3] = (GLfloat) (GLint) a[3]; + store_vector4(inst, machine, result); + } + break; + case OPCODE_KIL_NV: /* NV_f_p only (conditional) */ + if (eval_condition(machine, inst)) { + return GL_FALSE; + } + break; + case OPCODE_KIL: /* ARB_f_p only */ + { + GLfloat a[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + if (a[0] < 0.0F || a[1] < 0.0F || a[2] < 0.0F || a[3] < 0.0F) { return GL_FALSE; } - break; - case OPCODE_KIL: /* ARB_f_p only */ - { - GLfloat a[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - if (a[0] < 0.0F || a[1] < 0.0F || a[2] < 0.0F || a[3] < 0.0F) { - return GL_FALSE; - } - } - break; - case OPCODE_LG2: /* log base 2 */ - { - GLfloat a[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, a ); - result[0] = result[1] = result[2] = result[3] = LOG2(a[0]); - store_vector4( inst, machine, result ); + } + break; + case OPCODE_LG2: /* log base 2 */ + { + GLfloat a[4], result[4]; + fetch_vector1(ctx, &inst->SrcReg[0], machine, a); + result[0] = result[1] = result[2] = result[3] = LOG2(a[0]); + store_vector4(inst, machine, result); + } + break; + case OPCODE_LIT: + { + const GLfloat epsilon = 1.0F / 256.0F; /* from NV VP spec */ + GLfloat a[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + a[0] = MAX2(a[0], 0.0F); + a[1] = MAX2(a[1], 0.0F); + /* XXX ARB version clamps a[3], NV version doesn't */ + a[3] = CLAMP(a[3], -(128.0F - epsilon), (128.0F - epsilon)); + result[0] = 1.0F; + result[1] = a[0]; + /* XXX we could probably just use pow() here */ + if (a[0] > 0.0F) { + if (a[1] == 0.0 && a[3] == 0.0) + result[2] = 1.0; + else + result[2] = EXPF(a[3] * LOGF(a[1])); } - break; - case OPCODE_LIT: - { - const GLfloat epsilon = 1.0F / 256.0F; /* from NV VP spec */ - GLfloat a[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - a[0] = MAX2(a[0], 0.0F); - a[1] = MAX2(a[1], 0.0F); - /* XXX ARB version clamps a[3], NV version doesn't */ - a[3] = CLAMP(a[3], -(128.0F - epsilon), (128.0F - epsilon)); - result[0] = 1.0F; - result[1] = a[0]; - /* XXX we could probably just use pow() here */ - if (a[0] > 0.0F) { - if (a[1] == 0.0 && a[3] == 0.0) - result[2] = 1.0; - else - result[2] = EXPF(a[3] * LOGF(a[1])); - } - else { - result[2] = 0.0; - } - result[3] = 1.0F; - store_vector4( inst, machine, result ); - if (DEBUG_PROG) { - printf("LIT (%g %g %g %g) : (%g %g %g %g)\n", - result[0], result[1], result[2], result[3], - a[0], a[1], a[2], a[3]); - } + else { + result[2] = 0.0; } - break; - case OPCODE_LRP: - { - GLfloat a[4], b[4], c[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - fetch_vector4( ctx, &inst->SrcReg[2], machine, c ); - result[0] = a[0] * b[0] + (1.0F - a[0]) * c[0]; - result[1] = a[1] * b[1] + (1.0F - a[1]) * c[1]; - result[2] = a[2] * b[2] + (1.0F - a[2]) * c[2]; - result[3] = a[3] * b[3] + (1.0F - a[3]) * c[3]; - store_vector4( inst, machine, result ); - if (DEBUG_PROG) { - printf("LRP (%g %g %g %g) = (%g %g %g %g), " - "(%g %g %g %g), (%g %g %g %g)\n", - result[0], result[1], result[2], result[3], - a[0], a[1], a[2], a[3], - b[0], b[1], b[2], b[3], - c[0], c[1], c[2], c[3]); - } + result[3] = 1.0F; + store_vector4(inst, machine, result); + if (DEBUG_PROG) { + printf("LIT (%g %g %g %g) : (%g %g %g %g)\n", + result[0], result[1], result[2], result[3], + a[0], a[1], a[2], a[3]); } - break; - case OPCODE_MAD: - { - GLfloat a[4], b[4], c[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - fetch_vector4( ctx, &inst->SrcReg[2], machine, c ); - result[0] = a[0] * b[0] + c[0]; - result[1] = a[1] * b[1] + c[1]; - result[2] = a[2] * b[2] + c[2]; - result[3] = a[3] * b[3] + c[3]; - store_vector4( inst, machine, result ); - if (DEBUG_PROG) { - printf("MAD (%g %g %g %g) = (%g %g %g %g) * " - "(%g %g %g %g) + (%g %g %g %g)\n", - result[0], result[1], result[2], result[3], - a[0], a[1], a[2], a[3], - b[0], b[1], b[2], b[3], - c[0], c[1], c[2], c[3]); - } + } + break; + case OPCODE_LRP: + { + GLfloat a[4], b[4], c[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + fetch_vector4(ctx, &inst->SrcReg[2], machine, c); + result[0] = a[0] * b[0] + (1.0F - a[0]) * c[0]; + result[1] = a[1] * b[1] + (1.0F - a[1]) * c[1]; + result[2] = a[2] * b[2] + (1.0F - a[2]) * c[2]; + result[3] = a[3] * b[3] + (1.0F - a[3]) * c[3]; + store_vector4(inst, machine, result); + if (DEBUG_PROG) { + printf("LRP (%g %g %g %g) = (%g %g %g %g), " + "(%g %g %g %g), (%g %g %g %g)\n", + result[0], result[1], result[2], result[3], + a[0], a[1], a[2], a[3], + b[0], b[1], b[2], b[3], c[0], c[1], c[2], c[3]); } - break; - case OPCODE_MAX: - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - result[0] = MAX2(a[0], b[0]); - result[1] = MAX2(a[1], b[1]); - result[2] = MAX2(a[2], b[2]); - result[3] = MAX2(a[3], b[3]); - store_vector4( inst, machine, result ); - if (DEBUG_PROG) { - printf("MAX (%g %g %g %g) = (%g %g %g %g), (%g %g %g %g)\n", - result[0], result[1], result[2], result[3], - a[0], a[1], a[2], a[3], - b[0], b[1], b[2], b[3]); - } + } + break; + case OPCODE_MAD: + { + GLfloat a[4], b[4], c[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + fetch_vector4(ctx, &inst->SrcReg[2], machine, c); + result[0] = a[0] * b[0] + c[0]; + result[1] = a[1] * b[1] + c[1]; + result[2] = a[2] * b[2] + c[2]; + result[3] = a[3] * b[3] + c[3]; + store_vector4(inst, machine, result); + if (DEBUG_PROG) { + printf("MAD (%g %g %g %g) = (%g %g %g %g) * " + "(%g %g %g %g) + (%g %g %g %g)\n", + result[0], result[1], result[2], result[3], + a[0], a[1], a[2], a[3], + b[0], b[1], b[2], b[3], c[0], c[1], c[2], c[3]); } - break; - case OPCODE_MIN: - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - result[0] = MIN2(a[0], b[0]); - result[1] = MIN2(a[1], b[1]); - result[2] = MIN2(a[2], b[2]); - result[3] = MIN2(a[3], b[3]); - store_vector4( inst, machine, result ); + } + break; + case OPCODE_MAX: + { + GLfloat a[4], b[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + result[0] = MAX2(a[0], b[0]); + result[1] = MAX2(a[1], b[1]); + result[2] = MAX2(a[2], b[2]); + result[3] = MAX2(a[3], b[3]); + store_vector4(inst, machine, result); + if (DEBUG_PROG) { + printf("MAX (%g %g %g %g) = (%g %g %g %g), (%g %g %g %g)\n", + result[0], result[1], result[2], result[3], + a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]); } - break; - case OPCODE_MOV: - { - GLfloat result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, result ); - store_vector4( inst, machine, result ); - if (DEBUG_PROG) { - printf("MOV (%g %g %g %g)\n", - result[0], result[1], result[2], result[3]); - } + } + break; + case OPCODE_MIN: + { + GLfloat a[4], b[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + result[0] = MIN2(a[0], b[0]); + result[1] = MIN2(a[1], b[1]); + result[2] = MIN2(a[2], b[2]); + result[3] = MIN2(a[3], b[3]); + store_vector4(inst, machine, result); + } + break; + case OPCODE_MOV: + { + GLfloat result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, result); + store_vector4(inst, machine, result); + if (DEBUG_PROG) { + printf("MOV (%g %g %g %g)\n", + result[0], result[1], result[2], result[3]); } - break; - case OPCODE_MUL: - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - result[0] = a[0] * b[0]; - result[1] = a[1] * b[1]; - result[2] = a[2] * b[2]; - result[3] = a[3] * b[3]; - store_vector4( inst, machine, result ); - if (DEBUG_PROG) { - printf("MUL (%g %g %g %g) = (%g %g %g %g) * (%g %g %g %g)\n", - result[0], result[1], result[2], result[3], - a[0], a[1], a[2], a[3], - b[0], b[1], b[2], b[3]); - } + } + break; + case OPCODE_MUL: + { + GLfloat a[4], b[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + result[0] = a[0] * b[0]; + result[1] = a[1] * b[1]; + result[2] = a[2] * b[2]; + result[3] = a[3] * b[3]; + store_vector4(inst, machine, result); + if (DEBUG_PROG) { + printf("MUL (%g %g %g %g) = (%g %g %g %g) * (%g %g %g %g)\n", + result[0], result[1], result[2], result[3], + a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]); } - break; - case OPCODE_NOISE1: - { - GLfloat a[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, a ); - result[0] = + } + break; + case OPCODE_NOISE1: + { + GLfloat a[4], result[4]; + fetch_vector1(ctx, &inst->SrcReg[0], machine, a); + result[0] = result[1] = - result[2] = - result[3] = _slang_library_noise1(a[0]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_NOISE2: - { - GLfloat a[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - result[0] = + result[2] = result[3] = _slang_library_noise1(a[0]); + store_vector4(inst, machine, result); + } + break; + case OPCODE_NOISE2: + { + GLfloat a[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + result[0] = result[1] = - result[2] = - result[3] = _slang_library_noise2(a[0], a[1]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_NOISE3: - { - GLfloat a[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - result[0] = + result[2] = result[3] = _slang_library_noise2(a[0], a[1]); + store_vector4(inst, machine, result); + } + break; + case OPCODE_NOISE3: + { + GLfloat a[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + result[0] = result[1] = result[2] = result[3] = _slang_library_noise3(a[0], a[1], a[2]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_NOISE4: - { - GLfloat a[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - result[0] = + store_vector4(inst, machine, result); + } + break; + case OPCODE_NOISE4: + { + GLfloat a[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + result[0] = result[1] = result[2] = result[3] = _slang_library_noise4(a[0], a[1], a[2], a[3]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_NOP: - break; - case OPCODE_PK2H: /* pack two 16-bit floats in one 32-bit float */ - { - GLfloat a[4], result[4]; - GLhalfNV hx, hy; - GLuint *rawResult = (GLuint *) result; - GLuint twoHalves; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - hx = _mesa_float_to_half(a[0]); - hy = _mesa_float_to_half(a[1]); - twoHalves = hx | (hy << 16); - rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3] - = twoHalves; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_PK2US: /* pack two GLushorts into one 32-bit float */ - { - GLfloat a[4], result[4]; - GLuint usx, usy, *rawResult = (GLuint *) result; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - a[0] = CLAMP(a[0], 0.0F, 1.0F); - a[1] = CLAMP(a[1], 0.0F, 1.0F); - usx = IROUND(a[0] * 65535.0F); - usy = IROUND(a[1] * 65535.0F); - rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3] - = usx | (usy << 16); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_PK4B: /* pack four GLbytes into one 32-bit float */ - { - GLfloat a[4], result[4]; - GLuint ubx, uby, ubz, ubw, *rawResult = (GLuint *) result; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - a[0] = CLAMP(a[0], -128.0F / 127.0F, 1.0F); - a[1] = CLAMP(a[1], -128.0F / 127.0F, 1.0F); - a[2] = CLAMP(a[2], -128.0F / 127.0F, 1.0F); - a[3] = CLAMP(a[3], -128.0F / 127.0F, 1.0F); - ubx = IROUND(127.0F * a[0] + 128.0F); - uby = IROUND(127.0F * a[1] + 128.0F); - ubz = IROUND(127.0F * a[2] + 128.0F); - ubw = IROUND(127.0F * a[3] + 128.0F); - rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3] - = ubx | (uby << 8) | (ubz << 16) | (ubw << 24); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_PK4UB: /* pack four GLubytes into one 32-bit float */ - { - GLfloat a[4], result[4]; - GLuint ubx, uby, ubz, ubw, *rawResult = (GLuint *) result; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - a[0] = CLAMP(a[0], 0.0F, 1.0F); - a[1] = CLAMP(a[1], 0.0F, 1.0F); - a[2] = CLAMP(a[2], 0.0F, 1.0F); - a[3] = CLAMP(a[3], 0.0F, 1.0F); - ubx = IROUND(255.0F * a[0]); - uby = IROUND(255.0F * a[1]); - ubz = IROUND(255.0F * a[2]); - ubw = IROUND(255.0F * a[3]); - rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3] - = ubx | (uby << 8) | (ubz << 16) | (ubw << 24); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_POW: - { - GLfloat a[4], b[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector1( ctx, &inst->SrcReg[1], machine, b ); - result[0] = result[1] = result[2] = result[3] - = (GLfloat)_mesa_pow(a[0], b[0]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_RCP: - { - GLfloat a[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, a ); - if (DEBUG_PROG) { - if (a[0] == 0) - printf("RCP(0)\n"); - else if (IS_INF_OR_NAN(a[0])) - printf("RCP(inf)\n"); - } - result[0] = result[1] = result[2] = result[3] = 1.0F / a[0]; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_RET: /* return from subroutine (conditional) */ - if (eval_condition(machine, inst)) { - if (machine->StackDepth == 0) { - return GL_TRUE; /* Per GL_NV_vertex_program2 spec */ - } - pc = machine->CallStack[--machine->StackDepth]; - } - break; - case OPCODE_RFL: /* reflection vector */ - { - GLfloat axis[4], dir[4], result[4], tmpX, tmpW; - fetch_vector4( ctx, &inst->SrcReg[0], machine, axis ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, dir ); - tmpW = DOT3(axis, axis); - tmpX = (2.0F * DOT3(axis, dir)) / tmpW; - result[0] = tmpX * axis[0] - dir[0]; - result[1] = tmpX * axis[1] - dir[1]; - result[2] = tmpX * axis[2] - dir[2]; - /* result[3] is never written! XXX enforce in parser! */ - store_vector4( inst, machine, result ); - } - break; - case OPCODE_RSQ: /* 1 / sqrt() */ - { - GLfloat a[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, a ); - a[0] = FABSF(a[0]); - result[0] = result[1] = result[2] = result[3] = INV_SQRTF(a[0]); - store_vector4( inst, machine, result ); - if (DEBUG_PROG) { - printf("RSQ %g = 1/sqrt(|%g|)\n", result[0], a[0]); - } - } - break; - case OPCODE_SCS: /* sine and cos */ - { - GLfloat a[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, a ); - result[0] = (GLfloat) _mesa_cos(a[0]); - result[1] = (GLfloat) _mesa_sin(a[0]); - result[2] = 0.0; /* undefined! */ - result[3] = 0.0; /* undefined! */ - store_vector4( inst, machine, result ); - } - break; - case OPCODE_SEQ: /* set on equal */ - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - result[0] = (a[0] == b[0]) ? 1.0F : 0.0F; - result[1] = (a[1] == b[1]) ? 1.0F : 0.0F; - result[2] = (a[2] == b[2]) ? 1.0F : 0.0F; - result[3] = (a[3] == b[3]) ? 1.0F : 0.0F; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_SFL: /* set false, operands ignored */ - { - static const GLfloat result[4] = { 0.0F, 0.0F, 0.0F, 0.0F }; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_SGE: /* set on greater or equal */ - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - result[0] = (a[0] >= b[0]) ? 1.0F : 0.0F; - result[1] = (a[1] >= b[1]) ? 1.0F : 0.0F; - result[2] = (a[2] >= b[2]) ? 1.0F : 0.0F; - result[3] = (a[3] >= b[3]) ? 1.0F : 0.0F; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_SGT: /* set on greater */ - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - result[0] = (a[0] > b[0]) ? 1.0F : 0.0F; - result[1] = (a[1] > b[1]) ? 1.0F : 0.0F; - result[2] = (a[2] > b[2]) ? 1.0F : 0.0F; - result[3] = (a[3] > b[3]) ? 1.0F : 0.0F; - store_vector4( inst, machine, result ); - if (DEBUG_PROG) { - printf("SGT %g %g %g %g\n", - result[0], result[1], result[2], result[3]); - } - } - break; - case OPCODE_SIN: - { - GLfloat a[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, a ); - result[0] = result[1] = result[2] = result[3] - = (GLfloat) _mesa_sin(a[0]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_SLE: /* set on less or equal */ - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - result[0] = (a[0] <= b[0]) ? 1.0F : 0.0F; - result[1] = (a[1] <= b[1]) ? 1.0F : 0.0F; - result[2] = (a[2] <= b[2]) ? 1.0F : 0.0F; - result[3] = (a[3] <= b[3]) ? 1.0F : 0.0F; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_SLT: /* set on less */ - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - result[0] = (a[0] < b[0]) ? 1.0F : 0.0F; - result[1] = (a[1] < b[1]) ? 1.0F : 0.0F; - result[2] = (a[2] < b[2]) ? 1.0F : 0.0F; - result[3] = (a[3] < b[3]) ? 1.0F : 0.0F; - store_vector4( inst, machine, result ); + store_vector4(inst, machine, result); + } + break; + case OPCODE_NOP: + break; + case OPCODE_PK2H: /* pack two 16-bit floats in one 32-bit float */ + { + GLfloat a[4], result[4]; + GLhalfNV hx, hy; + GLuint *rawResult = (GLuint *) result; + GLuint twoHalves; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + hx = _mesa_float_to_half(a[0]); + hy = _mesa_float_to_half(a[1]); + twoHalves = hx | (hy << 16); + rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3] + = twoHalves; + store_vector4(inst, machine, result); + } + break; + case OPCODE_PK2US: /* pack two GLushorts into one 32-bit float */ + { + GLfloat a[4], result[4]; + GLuint usx, usy, *rawResult = (GLuint *) result; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + a[0] = CLAMP(a[0], 0.0F, 1.0F); + a[1] = CLAMP(a[1], 0.0F, 1.0F); + usx = IROUND(a[0] * 65535.0F); + usy = IROUND(a[1] * 65535.0F); + rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3] + = usx | (usy << 16); + store_vector4(inst, machine, result); + } + break; + case OPCODE_PK4B: /* pack four GLbytes into one 32-bit float */ + { + GLfloat a[4], result[4]; + GLuint ubx, uby, ubz, ubw, *rawResult = (GLuint *) result; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + a[0] = CLAMP(a[0], -128.0F / 127.0F, 1.0F); + a[1] = CLAMP(a[1], -128.0F / 127.0F, 1.0F); + a[2] = CLAMP(a[2], -128.0F / 127.0F, 1.0F); + a[3] = CLAMP(a[3], -128.0F / 127.0F, 1.0F); + ubx = IROUND(127.0F * a[0] + 128.0F); + uby = IROUND(127.0F * a[1] + 128.0F); + ubz = IROUND(127.0F * a[2] + 128.0F); + ubw = IROUND(127.0F * a[3] + 128.0F); + rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3] + = ubx | (uby << 8) | (ubz << 16) | (ubw << 24); + store_vector4(inst, machine, result); + } + break; + case OPCODE_PK4UB: /* pack four GLubytes into one 32-bit float */ + { + GLfloat a[4], result[4]; + GLuint ubx, uby, ubz, ubw, *rawResult = (GLuint *) result; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + a[0] = CLAMP(a[0], 0.0F, 1.0F); + a[1] = CLAMP(a[1], 0.0F, 1.0F); + a[2] = CLAMP(a[2], 0.0F, 1.0F); + a[3] = CLAMP(a[3], 0.0F, 1.0F); + ubx = IROUND(255.0F * a[0]); + uby = IROUND(255.0F * a[1]); + ubz = IROUND(255.0F * a[2]); + ubw = IROUND(255.0F * a[3]); + rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3] + = ubx | (uby << 8) | (ubz << 16) | (ubw << 24); + store_vector4(inst, machine, result); + } + break; + case OPCODE_POW: + { + GLfloat a[4], b[4], result[4]; + fetch_vector1(ctx, &inst->SrcReg[0], machine, a); + fetch_vector1(ctx, &inst->SrcReg[1], machine, b); + result[0] = result[1] = result[2] = result[3] + = (GLfloat) _mesa_pow(a[0], b[0]); + store_vector4(inst, machine, result); + } + break; + case OPCODE_RCP: + { + GLfloat a[4], result[4]; + fetch_vector1(ctx, &inst->SrcReg[0], machine, a); + if (DEBUG_PROG) { + if (a[0] == 0) + printf("RCP(0)\n"); + else if (IS_INF_OR_NAN(a[0])) + printf("RCP(inf)\n"); + } + result[0] = result[1] = result[2] = result[3] = 1.0F / a[0]; + store_vector4(inst, machine, result); + } + break; + case OPCODE_RET: /* return from subroutine (conditional) */ + if (eval_condition(machine, inst)) { + if (machine->StackDepth == 0) { + return GL_TRUE; /* Per GL_NV_vertex_program2 spec */ } - break; - case OPCODE_SNE: /* set on not equal */ - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - result[0] = (a[0] != b[0]) ? 1.0F : 0.0F; - result[1] = (a[1] != b[1]) ? 1.0F : 0.0F; - result[2] = (a[2] != b[2]) ? 1.0F : 0.0F; - result[3] = (a[3] != b[3]) ? 1.0F : 0.0F; - store_vector4( inst, machine, result ); + pc = machine->CallStack[--machine->StackDepth]; + } + break; + case OPCODE_RFL: /* reflection vector */ + { + GLfloat axis[4], dir[4], result[4], tmpX, tmpW; + fetch_vector4(ctx, &inst->SrcReg[0], machine, axis); + fetch_vector4(ctx, &inst->SrcReg[1], machine, dir); + tmpW = DOT3(axis, axis); + tmpX = (2.0F * DOT3(axis, dir)) / tmpW; + result[0] = tmpX * axis[0] - dir[0]; + result[1] = tmpX * axis[1] - dir[1]; + result[2] = tmpX * axis[2] - dir[2]; + /* result[3] is never written! XXX enforce in parser! */ + store_vector4(inst, machine, result); + } + break; + case OPCODE_RSQ: /* 1 / sqrt() */ + { + GLfloat a[4], result[4]; + fetch_vector1(ctx, &inst->SrcReg[0], machine, a); + a[0] = FABSF(a[0]); + result[0] = result[1] = result[2] = result[3] = INV_SQRTF(a[0]); + store_vector4(inst, machine, result); + if (DEBUG_PROG) { + printf("RSQ %g = 1/sqrt(|%g|)\n", result[0], a[0]); } - break; - case OPCODE_STR: /* set true, operands ignored */ - { - static const GLfloat result[4] = { 1.0F, 1.0F, 1.0F, 1.0F }; - store_vector4( inst, machine, result ); + } + break; + case OPCODE_SCS: /* sine and cos */ + { + GLfloat a[4], result[4]; + fetch_vector1(ctx, &inst->SrcReg[0], machine, a); + result[0] = (GLfloat) _mesa_cos(a[0]); + result[1] = (GLfloat) _mesa_sin(a[0]); + result[2] = 0.0; /* undefined! */ + result[3] = 0.0; /* undefined! */ + store_vector4(inst, machine, result); + } + break; + case OPCODE_SEQ: /* set on equal */ + { + GLfloat a[4], b[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + result[0] = (a[0] == b[0]) ? 1.0F : 0.0F; + result[1] = (a[1] == b[1]) ? 1.0F : 0.0F; + result[2] = (a[2] == b[2]) ? 1.0F : 0.0F; + result[3] = (a[3] == b[3]) ? 1.0F : 0.0F; + store_vector4(inst, machine, result); + } + break; + case OPCODE_SFL: /* set false, operands ignored */ + { + static const GLfloat result[4] = { 0.0F, 0.0F, 0.0F, 0.0F }; + store_vector4(inst, machine, result); + } + break; + case OPCODE_SGE: /* set on greater or equal */ + { + GLfloat a[4], b[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + result[0] = (a[0] >= b[0]) ? 1.0F : 0.0F; + result[1] = (a[1] >= b[1]) ? 1.0F : 0.0F; + result[2] = (a[2] >= b[2]) ? 1.0F : 0.0F; + result[3] = (a[3] >= b[3]) ? 1.0F : 0.0F; + store_vector4(inst, machine, result); + } + break; + case OPCODE_SGT: /* set on greater */ + { + GLfloat a[4], b[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + result[0] = (a[0] > b[0]) ? 1.0F : 0.0F; + result[1] = (a[1] > b[1]) ? 1.0F : 0.0F; + result[2] = (a[2] > b[2]) ? 1.0F : 0.0F; + result[3] = (a[3] > b[3]) ? 1.0F : 0.0F; + store_vector4(inst, machine, result); + if (DEBUG_PROG) { + printf("SGT %g %g %g %g\n", + result[0], result[1], result[2], result[3]); } - break; - case OPCODE_SUB: - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - result[0] = a[0] - b[0]; - result[1] = a[1] - b[1]; - result[2] = a[2] - b[2]; - result[3] = a[3] - b[3]; - store_vector4( inst, machine, result ); - if (DEBUG_PROG) { - printf("SUB (%g %g %g %g) = (%g %g %g %g) - (%g %g %g %g)\n", - result[0], result[1], result[2], result[3], - a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]); - } + } + break; + case OPCODE_SIN: + { + GLfloat a[4], result[4]; + fetch_vector1(ctx, &inst->SrcReg[0], machine, a); + result[0] = result[1] = result[2] = result[3] + = (GLfloat) _mesa_sin(a[0]); + store_vector4(inst, machine, result); + } + break; + case OPCODE_SLE: /* set on less or equal */ + { + GLfloat a[4], b[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + result[0] = (a[0] <= b[0]) ? 1.0F : 0.0F; + result[1] = (a[1] <= b[1]) ? 1.0F : 0.0F; + result[2] = (a[2] <= b[2]) ? 1.0F : 0.0F; + result[3] = (a[3] <= b[3]) ? 1.0F : 0.0F; + store_vector4(inst, machine, result); + } + break; + case OPCODE_SLT: /* set on less */ + { + GLfloat a[4], b[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + result[0] = (a[0] < b[0]) ? 1.0F : 0.0F; + result[1] = (a[1] < b[1]) ? 1.0F : 0.0F; + result[2] = (a[2] < b[2]) ? 1.0F : 0.0F; + result[3] = (a[3] < b[3]) ? 1.0F : 0.0F; + store_vector4(inst, machine, result); + } + break; + case OPCODE_SNE: /* set on not equal */ + { + GLfloat a[4], b[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + result[0] = (a[0] != b[0]) ? 1.0F : 0.0F; + result[1] = (a[1] != b[1]) ? 1.0F : 0.0F; + result[2] = (a[2] != b[2]) ? 1.0F : 0.0F; + result[3] = (a[3] != b[3]) ? 1.0F : 0.0F; + store_vector4(inst, machine, result); + } + break; + case OPCODE_STR: /* set true, operands ignored */ + { + static const GLfloat result[4] = { 1.0F, 1.0F, 1.0F, 1.0F }; + store_vector4(inst, machine, result); + } + break; + case OPCODE_SUB: + { + GLfloat a[4], b[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + result[0] = a[0] - b[0]; + result[1] = a[1] - b[1]; + result[2] = a[2] - b[2]; + result[3] = a[3] - b[3]; + store_vector4(inst, machine, result); + if (DEBUG_PROG) { + printf("SUB (%g %g %g %g) = (%g %g %g %g) - (%g %g %g %g)\n", + result[0], result[1], result[2], result[3], + a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]); } - break; - case OPCODE_SWZ: /* extended swizzle */ - { - const struct prog_src_register *source = &inst->SrcReg[0]; - const GLfloat *src = get_register_pointer(ctx, source, machine); - GLfloat result[4]; - GLuint i; - for (i = 0; i < 4; i++) { - const GLuint swz = GET_SWZ(source->Swizzle, i); - if (swz == SWIZZLE_ZERO) - result[i] = 0.0; - else if (swz == SWIZZLE_ONE) - result[i] = 1.0; - else { - ASSERT(swz >= 0); - ASSERT(swz <= 3); - result[i] = src[swz]; - } - if (source->NegateBase & (1 << i)) - result[i] = -result[i]; + } + break; + case OPCODE_SWZ: /* extended swizzle */ + { + const struct prog_src_register *source = &inst->SrcReg[0]; + const GLfloat *src = get_register_pointer(ctx, source, machine); + GLfloat result[4]; + GLuint i; + for (i = 0; i < 4; i++) { + const GLuint swz = GET_SWZ(source->Swizzle, i); + if (swz == SWIZZLE_ZERO) + result[i] = 0.0; + else if (swz == SWIZZLE_ONE) + result[i] = 1.0; + else { + ASSERT(swz >= 0); + ASSERT(swz <= 3); + result[i] = src[swz]; } - store_vector4( inst, machine, result ); + if (source->NegateBase & (1 << i)) + result[i] = -result[i]; } - break; - case OPCODE_TEX: /* Both ARB and NV frag prog */ - /* Texel lookup */ - { - /* Note: only use the precomputed lambda value when we're - * sampling texture unit [K] with texcoord[K]. - * Otherwise, the lambda value may have no relation to the - * instruction's texcoord or texture image. Using the wrong - * lambda is usually bad news. - * The rest of the time, just use zero (until we get a more - * sophisticated way of computing lambda). - */ - GLfloat coord[4], color[4], lambda; + store_vector4(inst, machine, result); + } + break; + case OPCODE_TEX: /* Both ARB and NV frag prog */ + /* Texel lookup */ + { + /* Note: only use the precomputed lambda value when we're + * sampling texture unit [K] with texcoord[K]. + * Otherwise, the lambda value may have no relation to the + * instruction's texcoord or texture image. Using the wrong + * lambda is usually bad news. + * The rest of the time, just use zero (until we get a more + * sophisticated way of computing lambda). + */ + GLfloat coord[4], color[4], lambda; #if 0 - if (inst->SrcReg[0].File == PROGRAM_INPUT && - inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0+inst->TexSrcUnit) - lambda = span->array->lambda[inst->TexSrcUnit][column]; - else + if (inst->SrcReg[0].File == PROGRAM_INPUT && + inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0 + inst->TexSrcUnit) + lambda = span->array->lambda[inst->TexSrcUnit][column]; + else #endif - lambda = 0.0; - fetch_vector4(ctx, &inst->SrcReg[0], machine, coord); - machine->FetchTexelLod(ctx, coord, lambda, inst->TexSrcUnit, color); - if (DEBUG_PROG) { - printf("TEX (%g, %g, %g, %g) = texture[%d][%g, %g, %g, %g], " - "lod %f\n", - color[0], color[1], color[2], color[3], - inst->TexSrcUnit, - coord[0], coord[1], coord[2], coord[3], lambda); - } - store_vector4( inst, machine, color ); - } - break; - case OPCODE_TXB: /* GL_ARB_fragment_program only */ - /* Texel lookup with LOD bias */ - { - const struct gl_texture_unit *texUnit - = &ctx->Texture.Unit[inst->TexSrcUnit]; - GLfloat coord[4], color[4], lambda, bias; + lambda = 0.0; + fetch_vector4(ctx, &inst->SrcReg[0], machine, coord); + machine->FetchTexelLod(ctx, coord, lambda, inst->TexSrcUnit, + color); + if (DEBUG_PROG) { + printf("TEX (%g, %g, %g, %g) = texture[%d][%g, %g, %g, %g], " + "lod %f\n", + color[0], color[1], color[2], color[3], + inst->TexSrcUnit, + coord[0], coord[1], coord[2], coord[3], lambda); + } + store_vector4(inst, machine, color); + } + break; + case OPCODE_TXB: /* GL_ARB_fragment_program only */ + /* Texel lookup with LOD bias */ + { + const struct gl_texture_unit *texUnit + = &ctx->Texture.Unit[inst->TexSrcUnit]; + GLfloat coord[4], color[4], lambda, bias; #if 0 - if (inst->SrcReg[0].File == PROGRAM_INPUT && - inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0+inst->TexSrcUnit) - lambda = span->array->lambda[inst->TexSrcUnit][column]; - else + if (inst->SrcReg[0].File == PROGRAM_INPUT && + inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0 + inst->TexSrcUnit) + lambda = span->array->lambda[inst->TexSrcUnit][column]; + else #endif - lambda = 0.0; - fetch_vector4(ctx, &inst->SrcReg[0], machine, coord); - /* coord[3] is the bias to add to lambda */ - bias = texUnit->LodBias + coord[3]; - if (texUnit->_Current) - bias += texUnit->_Current->LodBias; - machine->FetchTexelLod(ctx, coord, lambda + bias, - inst->TexSrcUnit, color); - store_vector4( inst, machine, color ); - } - break; - case OPCODE_TXD: /* GL_NV_fragment_program only */ - /* Texture lookup w/ partial derivatives for LOD */ - { - GLfloat texcoord[4], dtdx[4], dtdy[4], color[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, texcoord ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, dtdx ); - fetch_vector4( ctx, &inst->SrcReg[2], machine, dtdy ); - machine->FetchTexelDeriv(ctx, texcoord, dtdx, dtdy, - inst->TexSrcUnit, color ); - store_vector4( inst, machine, color ); - } - break; - case OPCODE_TXP: /* GL_ARB_fragment_program only */ - /* Texture lookup w/ projective divide */ - { - GLfloat texcoord[4], color[4], lambda; + lambda = 0.0; + fetch_vector4(ctx, &inst->SrcReg[0], machine, coord); + /* coord[3] is the bias to add to lambda */ + bias = texUnit->LodBias + coord[3]; + if (texUnit->_Current) + bias += texUnit->_Current->LodBias; + machine->FetchTexelLod(ctx, coord, lambda + bias, + inst->TexSrcUnit, color); + store_vector4(inst, machine, color); + } + break; + case OPCODE_TXD: /* GL_NV_fragment_program only */ + /* Texture lookup w/ partial derivatives for LOD */ + { + GLfloat texcoord[4], dtdx[4], dtdy[4], color[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, texcoord); + fetch_vector4(ctx, &inst->SrcReg[1], machine, dtdx); + fetch_vector4(ctx, &inst->SrcReg[2], machine, dtdy); + machine->FetchTexelDeriv(ctx, texcoord, dtdx, dtdy, + inst->TexSrcUnit, color); + store_vector4(inst, machine, color); + } + break; + case OPCODE_TXP: /* GL_ARB_fragment_program only */ + /* Texture lookup w/ projective divide */ + { + GLfloat texcoord[4], color[4], lambda; #if 0 - if (inst->SrcReg[0].File == PROGRAM_INPUT && - inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0+inst->TexSrcUnit) - lambda = span->array->lambda[inst->TexSrcUnit][column]; - else + if (inst->SrcReg[0].File == PROGRAM_INPUT && + inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0 + inst->TexSrcUnit) + lambda = span->array->lambda[inst->TexSrcUnit][column]; + else #endif - lambda = 0.0; - fetch_vector4(ctx, &inst->SrcReg[0], machine, texcoord); - /* Not so sure about this test - if texcoord[3] is - * zero, we'd probably be fine except for an ASSERT in - * IROUND_POS() which gets triggered by the inf values created. - */ - if (texcoord[3] != 0.0) { - texcoord[0] /= texcoord[3]; - texcoord[1] /= texcoord[3]; - texcoord[2] /= texcoord[3]; - } - machine->FetchTexelLod(ctx, texcoord, lambda, - inst->TexSrcUnit, color); - store_vector4( inst, machine, color ); - } - break; - case OPCODE_TXP_NV: /* GL_NV_fragment_program only */ - /* Texture lookup w/ projective divide */ - { - GLfloat texcoord[4], color[4], lambda; + lambda = 0.0; + fetch_vector4(ctx, &inst->SrcReg[0], machine, texcoord); + /* Not so sure about this test - if texcoord[3] is + * zero, we'd probably be fine except for an ASSERT in + * IROUND_POS() which gets triggered by the inf values created. + */ + if (texcoord[3] != 0.0) { + texcoord[0] /= texcoord[3]; + texcoord[1] /= texcoord[3]; + texcoord[2] /= texcoord[3]; + } + machine->FetchTexelLod(ctx, texcoord, lambda, + inst->TexSrcUnit, color); + store_vector4(inst, machine, color); + } + break; + case OPCODE_TXP_NV: /* GL_NV_fragment_program only */ + /* Texture lookup w/ projective divide */ + { + GLfloat texcoord[4], color[4], lambda; #if 0 - if (inst->SrcReg[0].File == PROGRAM_INPUT && - inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0+inst->TexSrcUnit) - lambda = span->array->lambda[inst->TexSrcUnit][column]; - else + if (inst->SrcReg[0].File == PROGRAM_INPUT && + inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0 + inst->TexSrcUnit) + lambda = span->array->lambda[inst->TexSrcUnit][column]; + else #endif - lambda = 0.0; - fetch_vector4(ctx, &inst->SrcReg[0], machine, texcoord); - if (inst->TexSrcTarget != TEXTURE_CUBE_INDEX && - texcoord[3] != 0.0) { - texcoord[0] /= texcoord[3]; - texcoord[1] /= texcoord[3]; - texcoord[2] /= texcoord[3]; - } - machine->FetchTexelLod(ctx, texcoord, lambda, - inst->TexSrcUnit, color); - store_vector4( inst, machine, color ); - } - break; - case OPCODE_UP2H: /* unpack two 16-bit floats */ - { - GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; - GLhalfNV hx, hy; - fetch_vector1( ctx, &inst->SrcReg[0], machine, a ); - hx = rawBits[0] & 0xffff; - hy = rawBits[0] >> 16; - result[0] = result[2] = _mesa_half_to_float(hx); - result[1] = result[3] = _mesa_half_to_float(hy); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_UP2US: /* unpack two GLushorts */ - { - GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; - GLushort usx, usy; - fetch_vector1( ctx, &inst->SrcReg[0], machine, a ); - usx = rawBits[0] & 0xffff; - usy = rawBits[0] >> 16; - result[0] = result[2] = usx * (1.0f / 65535.0f); - result[1] = result[3] = usy * (1.0f / 65535.0f); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_UP4B: /* unpack four GLbytes */ - { - GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; - fetch_vector1( ctx, &inst->SrcReg[0], machine, a ); - result[0] = (((rawBits[0] >> 0) & 0xff) - 128) / 127.0F; - result[1] = (((rawBits[0] >> 8) & 0xff) - 128) / 127.0F; - result[2] = (((rawBits[0] >> 16) & 0xff) - 128) / 127.0F; - result[3] = (((rawBits[0] >> 24) & 0xff) - 128) / 127.0F; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_UP4UB: /* unpack four GLubytes */ - { - GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; - fetch_vector1( ctx, &inst->SrcReg[0], machine, a ); - result[0] = ((rawBits[0] >> 0) & 0xff) / 255.0F; - result[1] = ((rawBits[0] >> 8) & 0xff) / 255.0F; - result[2] = ((rawBits[0] >> 16) & 0xff) / 255.0F; - result[3] = ((rawBits[0] >> 24) & 0xff) / 255.0F; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_XPD: /* cross product */ - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - result[0] = a[1] * b[2] - a[2] * b[1]; - result[1] = a[2] * b[0] - a[0] * b[2]; - result[2] = a[0] * b[1] - a[1] * b[0]; - result[3] = 1.0; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_X2D: /* 2-D matrix transform */ - { - GLfloat a[4], b[4], c[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, b ); - fetch_vector4( ctx, &inst->SrcReg[2], machine, c ); - result[0] = a[0] + b[0] * c[0] + b[1] * c[1]; - result[1] = a[1] + b[0] * c[2] + b[1] * c[3]; - result[2] = a[2] + b[0] * c[0] + b[1] * c[1]; - result[3] = a[3] + b[0] * c[2] + b[1] * c[3]; - store_vector4( inst, machine, result ); + lambda = 0.0; + fetch_vector4(ctx, &inst->SrcReg[0], machine, texcoord); + if (inst->TexSrcTarget != TEXTURE_CUBE_INDEX && + texcoord[3] != 0.0) { + texcoord[0] /= texcoord[3]; + texcoord[1] /= texcoord[3]; + texcoord[2] /= texcoord[3]; + } + machine->FetchTexelLod(ctx, texcoord, lambda, + inst->TexSrcUnit, color); + store_vector4(inst, machine, color); + } + break; + case OPCODE_UP2H: /* unpack two 16-bit floats */ + { + GLfloat a[4], result[4]; + const GLuint *rawBits = (const GLuint *) a; + GLhalfNV hx, hy; + fetch_vector1(ctx, &inst->SrcReg[0], machine, a); + hx = rawBits[0] & 0xffff; + hy = rawBits[0] >> 16; + result[0] = result[2] = _mesa_half_to_float(hx); + result[1] = result[3] = _mesa_half_to_float(hy); + store_vector4(inst, machine, result); + } + break; + case OPCODE_UP2US: /* unpack two GLushorts */ + { + GLfloat a[4], result[4]; + const GLuint *rawBits = (const GLuint *) a; + GLushort usx, usy; + fetch_vector1(ctx, &inst->SrcReg[0], machine, a); + usx = rawBits[0] & 0xffff; + usy = rawBits[0] >> 16; + result[0] = result[2] = usx * (1.0f / 65535.0f); + result[1] = result[3] = usy * (1.0f / 65535.0f); + store_vector4(inst, machine, result); + } + break; + case OPCODE_UP4B: /* unpack four GLbytes */ + { + GLfloat a[4], result[4]; + const GLuint *rawBits = (const GLuint *) a; + fetch_vector1(ctx, &inst->SrcReg[0], machine, a); + result[0] = (((rawBits[0] >> 0) & 0xff) - 128) / 127.0F; + result[1] = (((rawBits[0] >> 8) & 0xff) - 128) / 127.0F; + result[2] = (((rawBits[0] >> 16) & 0xff) - 128) / 127.0F; + result[3] = (((rawBits[0] >> 24) & 0xff) - 128) / 127.0F; + store_vector4(inst, machine, result); + } + break; + case OPCODE_UP4UB: /* unpack four GLubytes */ + { + GLfloat a[4], result[4]; + const GLuint *rawBits = (const GLuint *) a; + fetch_vector1(ctx, &inst->SrcReg[0], machine, a); + result[0] = ((rawBits[0] >> 0) & 0xff) / 255.0F; + result[1] = ((rawBits[0] >> 8) & 0xff) / 255.0F; + result[2] = ((rawBits[0] >> 16) & 0xff) / 255.0F; + result[3] = ((rawBits[0] >> 24) & 0xff) / 255.0F; + store_vector4(inst, machine, result); + } + break; + case OPCODE_XPD: /* cross product */ + { + GLfloat a[4], b[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + result[0] = a[1] * b[2] - a[2] * b[1]; + result[1] = a[2] * b[0] - a[0] * b[2]; + result[2] = a[0] * b[1] - a[1] * b[0]; + result[3] = 1.0; + store_vector4(inst, machine, result); + } + break; + case OPCODE_X2D: /* 2-D matrix transform */ + { + GLfloat a[4], b[4], c[4], result[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + fetch_vector4(ctx, &inst->SrcReg[1], machine, b); + fetch_vector4(ctx, &inst->SrcReg[2], machine, c); + result[0] = a[0] + b[0] * c[0] + b[1] * c[1]; + result[1] = a[1] + b[0] * c[2] + b[1] * c[3]; + result[2] = a[2] + b[0] * c[0] + b[1] * c[1]; + result[3] = a[3] + b[0] * c[2] + b[1] * c[3]; + store_vector4(inst, machine, result); + } + break; + case OPCODE_PRINT: + { + if (inst->SrcReg[0].File != -1) { + GLfloat a[4]; + fetch_vector4(ctx, &inst->SrcReg[0], machine, a); + _mesa_printf("%s%g, %g, %g, %g\n", (const char *) inst->Data, + a[0], a[1], a[2], a[3]); } - break; - case OPCODE_PRINT: - { - if (inst->SrcReg[0].File != -1) { - GLfloat a[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, a); - _mesa_printf("%s%g, %g, %g, %g\n", (const char *) inst->Data, - a[0], a[1], a[2], a[3]); - } - else { - _mesa_printf("%s\n", (const char *) inst->Data); - } + else { + _mesa_printf("%s\n", (const char *) inst->Data); } - break; - case OPCODE_END: - return GL_TRUE; - default: - _mesa_problem(ctx, "Bad opcode %d in _mesa_exec_fragment_program", - inst->Opcode); - return GL_TRUE; /* return value doesn't matter */ + } + break; + case OPCODE_END: + return GL_TRUE; + default: + _mesa_problem(ctx, "Bad opcode %d in _mesa_exec_fragment_program", + inst->Opcode); + return GL_TRUE; /* return value doesn't matter */ } + total++; if (total > MAX_EXEC) { _mesa_problem(ctx, "Infinite loop detected in fragment program"); return GL_TRUE; abort(); } - } + + } /* for pc */ #if FEATURE_MESA_program_debug CurrentMachine = NULL; |