diff options
Diffstat (limited to 'src/mesa/shader/prog_execute.c')
| -rw-r--r-- | src/mesa/shader/prog_execute.c | 237 |
1 files changed, 120 insertions, 117 deletions
diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c index 96a083527f9..923611b7975 100644 --- a/src/mesa/shader/prog_execute.c +++ b/src/mesa/shader/prog_execute.c @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 7.0.3 + * Version: 7.3 * - * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -76,56 +76,52 @@ static const GLfloat ZeroVec[4] = { 0.0F, 0.0F, 0.0F, 0.0F }; * source register. */ static INLINE const GLfloat * -get_register_pointer(const struct prog_src_register *source, - const struct gl_program_machine *machine) +get_src_register_pointer(const struct prog_src_register *source, + const struct gl_program_machine *machine) { + const struct gl_program *prog = machine->CurProgram; + GLint reg = source->Index; + if (source->RelAddr) { - const GLint reg = source->Index + machine->AddressReg[0][0]; - if (source->File == PROGRAM_ENV_PARAM) - if (reg < 0 || reg >= MAX_PROGRAM_ENV_PARAMS) - return ZeroVec; - else - return machine->EnvParams[reg]; - else { - const struct gl_program_parameter_list *params; - ASSERT(source->File == PROGRAM_LOCAL_PARAM || - source->File == PROGRAM_CONSTANT || - source->File == PROGRAM_STATE_VAR || - source->File == PROGRAM_UNIFORM); - params = machine->CurProgram->Parameters; - if (reg < 0 || reg >= (GLint)params->NumParameters) - return ZeroVec; - else - return params->ParameterValues[reg]; + /* add address register value to src index/offset */ + reg += machine->AddressReg[0][0]; + if (reg < 0) { + return ZeroVec; } } switch (source->File) { case PROGRAM_TEMPORARY: - ASSERT(source->Index < MAX_PROGRAM_TEMPS); - return machine->Temporaries[source->Index]; + if (reg >= MAX_PROGRAM_TEMPS) + return ZeroVec; + return machine->Temporaries[reg]; case PROGRAM_INPUT: - if (machine->CurProgram->Target == GL_VERTEX_PROGRAM_ARB) { - ASSERT(source->Index < VERT_ATTRIB_MAX); - return machine->VertAttribs[source->Index]; + if (prog->Target == GL_VERTEX_PROGRAM_ARB) { + if (reg >= VERT_ATTRIB_MAX) + return ZeroVec; + return machine->VertAttribs[reg]; } else { - ASSERT(source->Index < FRAG_ATTRIB_MAX); - return machine->Attribs[source->Index][machine->CurElement]; + if (reg >= FRAG_ATTRIB_MAX) + return ZeroVec; + return machine->Attribs[reg][machine->CurElement]; } case PROGRAM_OUTPUT: - ASSERT(source->Index < MAX_PROGRAM_OUTPUTS); - return machine->Outputs[source->Index]; + if (reg >= MAX_PROGRAM_OUTPUTS) + return ZeroVec; + return machine->Outputs[reg]; case PROGRAM_LOCAL_PARAM: - ASSERT(source->Index < MAX_PROGRAM_LOCAL_PARAMS); - return machine->CurProgram->LocalParams[source->Index]; + if (reg >= MAX_PROGRAM_LOCAL_PARAMS) + return ZeroVec; + return machine->CurProgram->LocalParams[reg]; case PROGRAM_ENV_PARAM: - ASSERT(source->Index < MAX_PROGRAM_ENV_PARAMS); - return machine->EnvParams[source->Index]; + if (reg >= MAX_PROGRAM_ENV_PARAMS) + return ZeroVec; + return machine->EnvParams[reg]; case PROGRAM_STATE_VAR: /* Fallthrough */ @@ -134,19 +130,62 @@ get_register_pointer(const struct prog_src_register *source, case PROGRAM_UNIFORM: /* Fallthrough */ case PROGRAM_NAMED_PARAM: - ASSERT(source->Index < - (GLint) machine->CurProgram->Parameters->NumParameters); - return machine->CurProgram->Parameters->ParameterValues[source->Index]; + if (reg >= (GLint) prog->Parameters->NumParameters) + return ZeroVec; + return prog->Parameters->ParameterValues[reg]; + + default: + _mesa_problem(NULL, + "Invalid src register file %d in get_src_register_pointer()", + source->File); + return NULL; + } +} + + +/** + * Return a pointer to the 4-element float vector specified by the given + * destination register. + */ +static INLINE GLfloat * +get_dst_register_pointer(const struct prog_dst_register *dest, + struct gl_program_machine *machine) +{ + static GLfloat dummyReg[4]; + GLint reg = dest->Index; + + if (dest->RelAddr) { + /* add address register value to src index/offset */ + reg += machine->AddressReg[0][0]; + if (reg < 0) { + return dummyReg; + } + } + + switch (dest->File) { + case PROGRAM_TEMPORARY: + if (reg >= MAX_PROGRAM_TEMPS) + return dummyReg; + return machine->Temporaries[reg]; + + case PROGRAM_OUTPUT: + if (reg >= MAX_PROGRAM_OUTPUTS) + return dummyReg; + return machine->Outputs[reg]; + + case PROGRAM_WRITE_ONLY: + return dummyReg; default: _mesa_problem(NULL, - "Invalid input register file %d in get_register_pointer()", - source->File); + "Invalid dest register file %d in get_dst_register_pointer()", + dest->File); return NULL; } } + #if FEATURE_MESA_program_debug static struct gl_program_machine *CurrentMachine = NULL; @@ -160,12 +199,12 @@ _mesa_get_program_register(GLcontext *ctx, enum register_file file, GLuint index, GLfloat val[4]) { if (CurrentMachine) { - struct prog_src_register src; - const GLfloat *reg; - src.File = file; - src.Index = index; - reg = get_register_pointer(&src, CurrentMachine); - COPY_4V(val, reg); + struct prog_src_register srcReg; + const GLfloat *src; + srcReg.File = file; + srcReg.Index = index; + src = get_src_register_pointer(&srcReg, CurrentMachine); + COPY_4V(val, src); } } #endif /* FEATURE_MESA_program_debug */ @@ -179,7 +218,7 @@ static void fetch_vector4(const struct prog_src_register *source, const struct gl_program_machine *machine, GLfloat result[4]) { - const GLfloat *src = get_register_pointer(source, machine); + const GLfloat *src = get_src_register_pointer(source, machine); ASSERT(src); if (source->Swizzle == SWIZZLE_NOOP) { @@ -226,7 +265,7 @@ static void fetch_vector4ui(const struct prog_src_register *source, const struct gl_program_machine *machine, GLuint result[4]) { - const GLuint *src = (GLuint *) get_register_pointer(source, machine); + const GLuint *src = (GLuint *) get_src_register_pointer(source, machine); ASSERT(src); if (source->Swizzle == SWIZZLE_NOOP) { @@ -316,7 +355,7 @@ static void fetch_vector1(const struct prog_src_register *source, const struct gl_program_machine *machine, GLfloat result[4]) { - const GLfloat *src = get_register_pointer(source, machine); + const GLfloat *src = get_src_register_pointer(source, machine); ASSERT(src); result[0] = src[GET_SWZ(source->Swizzle, 0)]; @@ -431,29 +470,11 @@ static void 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 struct prog_dst_register *dstReg = &(inst->DstReg); const GLboolean clamp = inst->SaturateMode == SATURATE_ZERO_ONE; - GLfloat *dstReg; - GLfloat dummyReg[4]; + GLuint writeMask = dstReg->WriteMask; GLfloat clampedValue[4]; - GLuint writeMask = dest->WriteMask; - - switch (dest->File) { - case PROGRAM_OUTPUT: - ASSERT(dest->Index < MAX_PROGRAM_OUTPUTS); - dstReg = machine->Outputs[dest->Index]; - break; - case PROGRAM_TEMPORARY: - ASSERT(dest->Index < MAX_PROGRAM_TEMPS); - 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; - } + GLfloat *dst = get_dst_register_pointer(dstReg, machine); #if 0 if (value[0] > 1.0e10 || @@ -471,38 +492,38 @@ store_vector4(const struct prog_instruction *inst, value = clampedValue; } - if (dest->CondMask != COND_TR) { + if (dstReg->CondMask != COND_TR) { /* condition codes may turn off some writes */ if (writeMask & WRITEMASK_X) { - if (!test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 0)], - dest->CondMask)) + if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 0)], + dstReg->CondMask)) writeMask &= ~WRITEMASK_X; } if (writeMask & WRITEMASK_Y) { - if (!test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 1)], - dest->CondMask)) + if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 1)], + dstReg->CondMask)) writeMask &= ~WRITEMASK_Y; } if (writeMask & WRITEMASK_Z) { - if (!test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 2)], - dest->CondMask)) + if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 2)], + dstReg->CondMask)) writeMask &= ~WRITEMASK_Z; } if (writeMask & WRITEMASK_W) { - if (!test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 3)], - dest->CondMask)) + if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 3)], + dstReg->CondMask)) writeMask &= ~WRITEMASK_W; } } if (writeMask & WRITEMASK_X) - dstReg[0] = value[0]; + dst[0] = value[0]; if (writeMask & WRITEMASK_Y) - dstReg[1] = value[1]; + dst[1] = value[1]; if (writeMask & WRITEMASK_Z) - dstReg[2] = value[2]; + dst[2] = value[2]; if (writeMask & WRITEMASK_W) - dstReg[3] = value[3]; + dst[3] = value[3]; if (inst->CondUpdate) { if (writeMask & WRITEMASK_X) @@ -531,60 +552,42 @@ static void store_vector4ui(const struct prog_instruction *inst, struct gl_program_machine *machine, const GLuint value[4]) { - const struct prog_dst_register *dest = &(inst->DstReg); - GLuint *dstReg; - GLuint dummyReg[4]; - GLuint writeMask = dest->WriteMask; - - switch (dest->File) { - case PROGRAM_OUTPUT: - ASSERT(dest->Index < MAX_PROGRAM_OUTPUTS); - dstReg = (GLuint *) machine->Outputs[dest->Index]; - break; - case PROGRAM_TEMPORARY: - ASSERT(dest->Index < MAX_PROGRAM_TEMPS); - dstReg = (GLuint *) machine->Temporaries[dest->Index]; - break; - case PROGRAM_WRITE_ONLY: - dstReg = dummyReg; - return; - default: - _mesa_problem(NULL, "bad register file in store_vector4(fp)"); - return; - } + const struct prog_dst_register *dstReg = &(inst->DstReg); + GLuint writeMask = dstReg->WriteMask; + GLuint *dst = (GLuint *) get_dst_register_pointer(dstReg, machine); - if (dest->CondMask != COND_TR) { + if (dstReg->CondMask != COND_TR) { /* condition codes may turn off some writes */ if (writeMask & WRITEMASK_X) { - if (!test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 0)], - dest->CondMask)) + if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 0)], + dstReg->CondMask)) writeMask &= ~WRITEMASK_X; } if (writeMask & WRITEMASK_Y) { - if (!test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 1)], - dest->CondMask)) + if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 1)], + dstReg->CondMask)) writeMask &= ~WRITEMASK_Y; } if (writeMask & WRITEMASK_Z) { - if (!test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 2)], - dest->CondMask)) + if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 2)], + dstReg->CondMask)) writeMask &= ~WRITEMASK_Z; } if (writeMask & WRITEMASK_W) { - if (!test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 3)], - dest->CondMask)) + if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 3)], + dstReg->CondMask)) writeMask &= ~WRITEMASK_W; } } if (writeMask & WRITEMASK_X) - dstReg[0] = value[0]; + dst[0] = value[0]; if (writeMask & WRITEMASK_Y) - dstReg[1] = value[1]; + dst[1] = value[1]; if (writeMask & WRITEMASK_Z) - dstReg[2] = value[2]; + dst[2] = value[2]; if (writeMask & WRITEMASK_W) - dstReg[3] = value[3]; + dst[3] = value[3]; if (inst->CondUpdate) { if (writeMask & WRITEMASK_X) @@ -1526,7 +1529,7 @@ _mesa_execute_program(GLcontext * ctx, case OPCODE_SWZ: /* extended swizzle */ { const struct prog_src_register *source = &inst->SrcReg[0]; - const GLfloat *src = get_register_pointer(source, machine); + const GLfloat *src = get_src_register_pointer(source, machine); GLfloat result[4]; GLuint i; for (i = 0; i < 4; i++) { |