diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/radeon_program.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_program.c | 153 |
1 files changed, 62 insertions, 91 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program.c b/src/mesa/drivers/dri/r300/compiler/radeon_program.c index b636f90a96..0dbc5380bb 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program.c @@ -27,9 +27,9 @@ #include "radeon_program.h" +#include <stdio.h> + #include "radeon_compiler.h" -#include "shader/prog_parameter.h" -#include "shader/prog_print.h" /** @@ -69,37 +69,57 @@ void radeonLocalTransform( } } +/** + * Left multiplication of a register with a swizzle + */ +struct rc_src_register lmul_swizzle(unsigned int swizzle, struct rc_src_register srcreg) +{ + struct rc_src_register tmp = srcreg; + int i; + tmp.Swizzle = 0; + tmp.Negate = 0; + for(i = 0; i < 4; ++i) { + rc_swizzle swz = GET_SWZ(swizzle, i); + if (swz < 4) { + tmp.Swizzle |= GET_SWZ(srcreg.Swizzle, swz) << (i*3); + tmp.Negate |= GET_BIT(srcreg.Negate, swz) << i; + } else { + tmp.Swizzle |= swz << (i*3); + } + } + return tmp; +} -GLint rc_find_free_temporary(struct radeon_compiler * c) +unsigned int rc_find_free_temporary(struct radeon_compiler * c) { - GLboolean used[MAX_PROGRAM_TEMPS]; - GLuint i; + char used[RC_REGISTER_MAX_INDEX]; + unsigned int i; memset(used, 0, sizeof(used)); for (struct rc_instruction * rcinst = c->Program.Instructions.Next; rcinst != &c->Program.Instructions; rcinst = rcinst->Next) { - const struct prog_instruction *inst = &rcinst->I; - const GLuint nsrc = _mesa_num_inst_src_regs(inst->Opcode); - const GLuint ndst = _mesa_num_inst_dst_regs(inst->Opcode); - GLuint k; - - for (k = 0; k < nsrc; k++) { - if (inst->SrcReg[k].File == PROGRAM_TEMPORARY) - used[inst->SrcReg[k].Index] = GL_TRUE; + const struct rc_sub_instruction *inst = &rcinst->U.I; + const struct rc_opcode_info *opcode = rc_get_opcode_info(inst->Opcode); + unsigned int k; + + for (k = 0; k < opcode->NumSrcRegs; k++) { + if (inst->SrcReg[k].File == RC_FILE_TEMPORARY) + used[inst->SrcReg[k].Index] = 1; } - if (ndst) { - if (inst->DstReg.File == PROGRAM_TEMPORARY) - used[inst->DstReg.Index] = GL_TRUE; + if (opcode->HasDstReg) { + if (inst->DstReg.File == RC_FILE_TEMPORARY) + used[inst->DstReg.Index] = 1; } } - for (i = 0; i < MAX_PROGRAM_TEMPS; i++) { + for (i = 0; i < RC_REGISTER_MAX_INDEX; i++) { if (!used[i]) return i; } - return -1; + rc_error(c, "Ran out of temporary registers\n"); + return 0; } @@ -107,24 +127,31 @@ struct rc_instruction *rc_alloc_instruction(struct radeon_compiler * c) { struct rc_instruction * inst = memory_pool_malloc(&c->Pool, sizeof(struct rc_instruction)); - inst->Prev = 0; - inst->Next = 0; + memset(inst, 0, sizeof(struct rc_instruction)); - _mesa_init_instructions(&inst->I, 1); + inst->U.I.Opcode = RC_OPCODE_ILLEGAL_OPCODE; + inst->U.I.DstReg.WriteMask = RC_MASK_XYZW; + inst->U.I.SrcReg[0].Swizzle = RC_SWIZZLE_XYZW; + inst->U.I.SrcReg[1].Swizzle = RC_SWIZZLE_XYZW; + inst->U.I.SrcReg[2].Swizzle = RC_SWIZZLE_XYZW; return inst; } - -struct rc_instruction *rc_insert_new_instruction(struct radeon_compiler * c, struct rc_instruction * after) +void rc_insert_instruction(struct rc_instruction * after, struct rc_instruction * inst) { - struct rc_instruction * inst = rc_alloc_instruction(c); - inst->Prev = after; inst->Next = after->Next; inst->Prev->Next = inst; inst->Next->Prev = inst; +} + +struct rc_instruction *rc_insert_new_instruction(struct radeon_compiler * c, struct rc_instruction * after) +{ + struct rc_instruction * inst = rc_alloc_instruction(c); + + rc_insert_instruction(after, inst); return inst; } @@ -135,76 +162,20 @@ void rc_remove_instruction(struct rc_instruction * inst) inst->Next->Prev = inst->Prev; } - -void rc_mesa_to_rc_program(struct radeon_compiler * c, struct gl_program * program) -{ - struct prog_instruction *source; - unsigned int i; - - for(source = program->Instructions; source->Opcode != OPCODE_END; ++source) { - struct rc_instruction * dest = rc_insert_new_instruction(c, c->Program.Instructions.Prev); - dest->I = *source; - } - - c->Program.ShadowSamplers = program->ShadowSamplers; - c->Program.InputsRead = program->InputsRead; - c->Program.OutputsWritten = program->OutputsWritten; - - int isNVProgram = 0; - - if (program->Target == GL_VERTEX_PROGRAM_ARB) { - struct gl_vertex_program * vp = (struct gl_vertex_program *) program; - isNVProgram = vp->IsNVProgram; - } - - if (isNVProgram) { - /* NV_vertex_program has a fixed-sized constant environment. - * This could be handled more efficiently for programs that - * do not use relative addressing. - */ - for(i = 0; i < 96; ++i) { - struct rc_constant constant; - - constant.Type = RC_CONSTANT_EXTERNAL; - constant.Size = 4; - constant.u.External = i; - - rc_constants_add(&c->Program.Constants, &constant); - } - } else { - for(i = 0; i < program->Parameters->NumParameters; ++i) { - struct rc_constant constant; - - constant.Type = RC_CONSTANT_EXTERNAL; - constant.Size = 4; - constant.u.External = i; - - rc_constants_add(&c->Program.Constants, &constant); - } - } -} - - /** - * Print program to stderr, default options. + * Return the number of instructions in the program. */ -void rc_print_program(const struct rc_program *prog) +unsigned int rc_recompute_ips(struct radeon_compiler * c) { - GLuint indent = 0; - GLuint linenum = 1; - struct rc_instruction *inst; - - fprintf(stderr, "# Radeon Compiler Program\n"); + unsigned int ip = 0; - for(inst = prog->Instructions.Next; inst != &prog->Instructions; inst = inst->Next) { - fprintf(stderr, "%3d: ", linenum); + for(struct rc_instruction * inst = c->Program.Instructions.Next; + inst != &c->Program.Instructions; + inst = inst->Next) { + inst->IP = ip++; + } - /* Massive hack: We rely on the fact that the printers do not actually - * use the gl_program argument (last argument) in debug mode */ - indent = _mesa_fprint_instruction_opt( - stderr, &inst->I, - indent, PROG_PRINT_DEBUG, 0); + c->Program.Instructions.IP = 0xcafedead; - linenum++; - } + return ip; } |