diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/r300/Makefile | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_context.h | 24 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_fragprog.c | 61 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_fragprog.h | 27 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_fragprog_emit.c | 1752 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_fragprog_swizzle.c | 227 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_fragprog_swizzle.h | 42 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_state.c | 33 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r300/r500_fragprog.h | 30 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r300/radeon_program_pair.c | 6 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r300/radeon_program_pair.h | 6 |
11 files changed, 521 insertions, 1688 deletions
diff --git a/src/mesa/drivers/dri/r300/Makefile b/src/mesa/drivers/dri/r300/Makefile index 9baa1e71312..6ca934204f3 100644 --- a/src/mesa/drivers/dri/r300/Makefile +++ b/src/mesa/drivers/dri/r300/Makefile @@ -42,6 +42,7 @@ DRIVER_SOURCES = \ radeon_nqssadce.c \ r300_vertprog.c \ r300_fragprog.c \ + r300_fragprog_swizzle.c \ r300_fragprog_emit.c \ r500_fragprog.c \ r500_fragprog_emit.c \ diff --git a/src/mesa/drivers/dri/r300/r300_context.h b/src/mesa/drivers/dri/r300/r300_context.h index 8e9c5cee5f3..98af6d8f10a 100644 --- a/src/mesa/drivers/dri/r300/r300_context.h +++ b/src/mesa/drivers/dri/r300/r300_context.h @@ -683,16 +683,25 @@ struct r300_fragment_program_external_state { }; +struct r300_fragment_program_node { + int tex_offset; /**< first tex instruction */ + int tex_end; /**< last tex instruction, relative to tex_offset */ + int alu_offset; /**< first ALU instruction */ + int alu_end; /**< last ALU instruction, relative to alu_offset */ + int flags; +}; + /** * Stores an R300 fragment program in its compiled-to-hardware form. */ struct r300_fragment_program_code { struct { - int length; + int length; /**< total # of texture instructions used */ GLuint inst[PFS_MAX_TEX_INST]; } tex; struct { + int length; /**< total # of ALU instructions used */ struct { GLuint inst0; GLuint inst1; @@ -701,21 +710,10 @@ struct r300_fragment_program_code { } inst[PFS_MAX_ALU_INST]; } alu; - struct { - int tex_offset; - int tex_end; - int alu_offset; - int alu_end; - int flags; - } node[4]; + struct r300_fragment_program_node node[4]; int cur_node; int first_node_has_tex; - int alu_offset; - int alu_end; - int tex_offset; - int tex_end; - /** * Remember which program register a given hardware constant * belongs to. diff --git a/src/mesa/drivers/dri/r300/r300_fragprog.c b/src/mesa/drivers/dri/r300/r300_fragprog.c index 8a1d690ae4e..d390de54b8a 100644 --- a/src/mesa/drivers/dri/r300/r300_fragprog.c +++ b/src/mesa/drivers/dri/r300/r300_fragprog.c @@ -29,10 +29,8 @@ * \file * * Fragment program compiler. Perform transformations on the intermediate - * \ref radeon_program representation (which is essentially the Mesa - * program representation plus the notion of clauses) until the program - * is in a form where we can translate it more or less directly into - * machine-readable form. + * representation until the program is in a form where we can translate + * it more or less directly into machine-readable form. * * \author Ben Skeggs <[email protected]> * \author Jerome Glisse <[email protected]> @@ -47,8 +45,10 @@ #include "r300_context.h" #include "r300_fragprog.h" +#include "r300_fragprog_swizzle.h" #include "r300_state.h" +#include "radeon_nqssadce.h" #include "radeon_program_alu.h" @@ -133,25 +133,6 @@ static GLboolean transform_TEX( inst.SrcReg[0].Index = tempreg; } - /* Texture operations do not support swizzles etc. in hardware, - * so emit an additional arithmetic operation if necessary. - */ - if (inst.SrcReg[0].Swizzle != SWIZZLE_NOOP || - inst.SrcReg[0].Abs || inst.SrcReg[0].NegateBase || inst.SrcReg[0].NegateAbs) { - int tempreg = radeonFindFreeTemporary(t); - - tgt = radeonAppendInstructions(t->Program, 1); - - tgt->Opcode = OPCODE_MOV; - tgt->DstReg.File = PROGRAM_TEMPORARY; - tgt->DstReg.Index = tempreg; - tgt->SrcReg[0] = inst.SrcReg[0]; - - reset_srcreg(&inst.SrcReg[0]); - inst.SrcReg[0].File = PROGRAM_TEMPORARY; - inst.SrcReg[0].Index = tempreg; - } - if (inst.Opcode != OPCODE_KIL) { if (inst.DstReg.File != PROGRAM_TEMPORARY || inst.DstReg.WriteMask != WRITEMASK_XYZW) { @@ -339,6 +320,13 @@ static void insert_WPOS_trailer(struct r300_fragment_program_compiler *compiler) } +static void nqssadce_init(struct nqssadce_state* s) +{ + s->Outputs[FRAG_RESULT_COLR].Sourced = WRITEMASK_XYZW; + s->Outputs[FRAG_RESULT_DEPR].Sourced = WRITEMASK_W; +} + + static GLuint build_dtm(GLuint depthmode) { switch(depthmode) { @@ -417,7 +405,20 @@ void r300TranslateFragmentShader(r300ContextPtr r300, 3, transformations); if (RADEON_DEBUG & DEBUG_PIXEL) { - _mesa_printf("Fragment Program: After transformations:\n"); + _mesa_printf("Fragment Program: After native rewrite:\n"); + _mesa_print_program(compiler.program); + } + + struct radeon_nqssadce_descr nqssadce = { + .Init = &nqssadce_init, + .IsNativeSwizzle = &r300FPIsNativeSwizzle, + .BuildSwizzle = &r300FPBuildSwizzle, + .RewriteDepthOut = GL_TRUE + }; + radeonNqssaDce(r300->radeon.glCtx, compiler.program, &nqssadce); + + if (RADEON_DEBUG & DEBUG_PIXEL) { + _mesa_printf("Compiler: after NqSSA-DCE:\n"); _mesa_print_program(compiler.program); } @@ -451,22 +452,18 @@ void r300FragmentProgramDump( fprintf(stderr, "pc=%d*************************************\n", pc++); - fprintf(stderr, "Mesa program:\n"); - fprintf(stderr, "-------------\n"); - _mesa_print_program(&fp->mesa_program.Base); - fflush(stdout); - fprintf(stderr, "Hardware program\n"); fprintf(stderr, "----------------\n"); for (n = 0; n < (code->cur_node + 1); n++) { fprintf(stderr, "NODE %d: alu_offset: %d, tex_offset: %d, " - "alu_end: %d, tex_end: %d\n", n, + "alu_end: %d, tex_end: %d, flags: %08x\n", n, code->node[n].alu_offset, code->node[n].tex_offset, - code->node[n].alu_end, code->node[n].tex_end); + code->node[n].alu_end, code->node[n].tex_end, + code->node[n].flags); - if (code->tex.length) { + if (n > 0 || code->first_node_has_tex) { fprintf(stderr, " TEX:\n"); for (i = code->node[n].tex_offset; i <= code->node[n].tex_offset + code->node[n].tex_end; diff --git a/src/mesa/drivers/dri/r300/r300_fragprog.h b/src/mesa/drivers/dri/r300/r300_fragprog.h index c76ae627015..b3a3cd2e04c 100644 --- a/src/mesa/drivers/dri/r300/r300_fragprog.h +++ b/src/mesa/drivers/dri/r300/r300_fragprog.h @@ -42,33 +42,6 @@ #include "r300_context.h" #include "radeon_program.h" -/* supported hw opcodes */ -#define PFS_OP_MAD 0 -#define PFS_OP_DP3 1 -#define PFS_OP_DP4 2 -#define PFS_OP_MIN 3 -#define PFS_OP_MAX 4 -#define PFS_OP_CMP 5 -#define PFS_OP_FRC 6 -#define PFS_OP_EX2 7 -#define PFS_OP_LG2 8 -#define PFS_OP_RCP 9 -#define PFS_OP_RSQ 10 -#define PFS_OP_REPL_ALPHA 11 -#define PFS_OP_CMPH 12 -#define MAX_PFS_OP 12 - -#define PFS_FLAG_SAT (1 << 0) -#define PFS_FLAG_ABS (1 << 1) - -#define ARG_NEG (1 << 5) -#define ARG_ABS (1 << 6) -#define ARG_MASK (127 << 0) -#define ARG_STRIDE 7 -#define SRC_CONST (1 << 5) -#define SRC_MASK (63 << 0) -#define SRC_STRIDE 6 - #define DRI_CONF_FP_OPTIMIZATION_SPEED 0 #define DRI_CONF_FP_OPTIMIZATION_QUALITY 1 diff --git a/src/mesa/drivers/dri/r300/r300_fragprog_emit.c b/src/mesa/drivers/dri/r300/r300_fragprog_emit.c index 4786b4554df..9f0b7e35349 100644 --- a/src/mesa/drivers/dri/r300/r300_fragprog_emit.c +++ b/src/mesa/drivers/dri/r300/r300_fragprog_emit.c @@ -36,1674 +36,308 @@ * \author Jerome Glisse <[email protected]> * * \todo FogOption - * - * \todo Verify results of opcodes for accuracy, I've only checked them in - * specific cases. */ -#include "glheader.h" -#include "macros.h" -#include "enums.h" -#include "shader/prog_instruction.h" -#include "shader/prog_parameter.h" -#include "shader/prog_print.h" - -#include "r300_context.h" #include "r300_fragprog.h" -#include "r300_reg.h" -#include "r300_state.h" - -/* Mapping Mesa registers to R300 temporaries */ -struct reg_acc { - int reg; /* Assigned hw temp */ - unsigned int refcount; /* Number of uses by mesa program */ -}; - -/** - * Describe the current lifetime information for an R300 temporary - */ -struct reg_lifetime { - /* Index of the first slot where this register is free in the sense - that it can be used as a new destination register. - This is -1 if the register has been assigned to a Mesa register - and the last access to the register has not yet been emitted */ - int free; - - /* Index of the first slot where this register is currently reserved. - This is used to stop e.g. a scalar operation from being moved - before the allocation time of a register that was first allocated - for a vector operation. */ - int reserved; - - /* Index of the first slot in which the register can be used as a - source without losing the value that is written by the last - emitted instruction that writes to the register */ - int vector_valid; - int scalar_valid; - - /* Index to the slot where the register was last read. - This is also the first slot in which the register may be written again */ - int vector_lastread; - int scalar_lastread; -}; - -/** - * Store usage information about an ALU instruction slot during the - * compilation of a fragment program. - */ -#define SLOT_SRC_VECTOR (1<<0) -#define SLOT_SRC_SCALAR (1<<3) -#define SLOT_SRC_BOTH (SLOT_SRC_VECTOR | SLOT_SRC_SCALAR) -#define SLOT_OP_VECTOR (1<<16) -#define SLOT_OP_SCALAR (1<<17) -#define SLOT_OP_BOTH (SLOT_OP_VECTOR | SLOT_OP_SCALAR) - -struct r300_pfs_compile_slot { - /* Bitmask indicating which parts of the slot are used, using SLOT_ constants - defined above */ - unsigned int used; - - /* Selected sources */ - int vsrc[3]; - int ssrc[3]; -}; - -/** - * Store information during compilation of fragment programs. - */ -struct r300_pfs_compile_state { - struct r300_fragment_program_compiler *compiler; - int nrslots; /* number of ALU slots used so far */ - - /* Track which (parts of) slots are already filled with instructions */ - struct r300_pfs_compile_slot slot[PFS_MAX_ALU_INST]; - - /* Track the validity of R300 temporaries */ - struct reg_lifetime hwtemps[PFS_NUM_TEMP_REGS]; - - /* Used to map Mesa's inputs/temps onto hardware temps */ - int temp_in_use; - struct reg_acc temps[PFS_NUM_TEMP_REGS]; - struct reg_acc inputs[32]; /* don't actually need 32... */ +#include "radeon_program_pair.h" +#include "r300_fragprog_swizzle.h" +#include "r300_reg.h" - /* Track usage of hardware temps, for register allocation, - * indirection detection, etc. */ - GLuint used_in_node; - GLuint dest_in_node; -}; +#define PROG_CODE \ + struct r300_fragment_program_compiler *c = (struct r300_fragment_program_compiler*)data; \ + struct r300_fragment_program_code *code = c->code -/* - * Usefull macros and values - */ -#define ERROR(fmt, args...) do { \ +#define error(fmt, args...) do { \ fprintf(stderr, "%s::%s(): " fmt "\n", \ __FILE__, __FUNCTION__, ##args); \ - fp->error = GL_TRUE; \ } while(0) -#define PFS_INVAL 0xFFFFFFFF -#define COMPILE_STATE \ - struct r300_fragment_program *fp = cs->compiler->fp; \ - struct r300_fragment_program_code *code = cs->compiler->code; \ - (void)code; (void)fp - -#define SWIZZLE_XYZ 0 -#define SWIZZLE_XXX 1 -#define SWIZZLE_YYY 2 -#define SWIZZLE_ZZZ 3 -#define SWIZZLE_WWW 4 -#define SWIZZLE_YZX 5 -#define SWIZZLE_ZXY 6 -#define SWIZZLE_WZY 7 -#define SWIZZLE_111 8 -#define SWIZZLE_000 9 -#define SWIZZLE_HHH 10 - -#define swizzle(r, x, y, z, w) do_swizzle(cs, r, \ - ((SWIZZLE_##x<<0)| \ - (SWIZZLE_##y<<3)| \ - (SWIZZLE_##z<<6)| \ - (SWIZZLE_##w<<9)), \ - 0) - -#define REG_TYPE_INPUT 0 -#define REG_TYPE_OUTPUT 1 -#define REG_TYPE_TEMP 2 -#define REG_TYPE_CONST 3 - -#define REG_TYPE_SHIFT 0 -#define REG_INDEX_SHIFT 2 -#define REG_VSWZ_SHIFT 8 -#define REG_SSWZ_SHIFT 13 -#define REG_NEGV_SHIFT 18 -#define REG_NEGS_SHIFT 19 -#define REG_ABS_SHIFT 20 -#define REG_NO_USE_SHIFT 21 // Hack for refcounting -#define REG_VALID_SHIFT 22 // Does the register contain a defined value? -#define REG_BUILTIN_SHIFT 23 // Is it a builtin (like all zero/all one)? - -#define REG_TYPE_MASK (0x03 << REG_TYPE_SHIFT) -#define REG_INDEX_MASK (0x3F << REG_INDEX_SHIFT) -#define REG_VSWZ_MASK (0x1F << REG_VSWZ_SHIFT) -#define REG_SSWZ_MASK (0x1F << REG_SSWZ_SHIFT) -#define REG_NEGV_MASK (0x01 << REG_NEGV_SHIFT) -#define REG_NEGS_MASK (0x01 << REG_NEGS_SHIFT) -#define REG_ABS_MASK (0x01 << REG_ABS_SHIFT) -#define REG_NO_USE_MASK (0x01 << REG_NO_USE_SHIFT) -#define REG_VALID_MASK (0x01 << REG_VALID_SHIFT) -#define REG_BUILTIN_MASK (0x01 << REG_BUILTIN_SHIFT) - -#define REG(type, index, vswz, sswz, nouse, valid, builtin) \ - (((type << REG_TYPE_SHIFT) & REG_TYPE_MASK) | \ - ((index << REG_INDEX_SHIFT) & REG_INDEX_MASK) | \ - ((nouse << REG_NO_USE_SHIFT) & REG_NO_USE_MASK) | \ - ((valid << REG_VALID_SHIFT) & REG_VALID_MASK) | \ - ((builtin << REG_BUILTIN_SHIFT) & REG_BUILTIN_MASK) | \ - ((vswz << REG_VSWZ_SHIFT) & REG_VSWZ_MASK) | \ - ((sswz << REG_SSWZ_SHIFT) & REG_SSWZ_MASK)) -#define REG_GET_TYPE(reg) \ - ((reg & REG_TYPE_MASK) >> REG_TYPE_SHIFT) -#define REG_GET_INDEX(reg) \ - ((reg & REG_INDEX_MASK) >> REG_INDEX_SHIFT) -#define REG_GET_VSWZ(reg) \ - ((reg & REG_VSWZ_MASK) >> REG_VSWZ_SHIFT) -#define REG_GET_SSWZ(reg) \ - ((reg & REG_SSWZ_MASK) >> REG_SSWZ_SHIFT) -#define REG_GET_NO_USE(reg) \ - ((reg & REG_NO_USE_MASK) >> REG_NO_USE_SHIFT) -#define REG_GET_VALID(reg) \ - ((reg & REG_VALID_MASK) >> REG_VALID_SHIFT) -#define REG_GET_BUILTIN(reg) \ - ((reg & REG_BUILTIN_MASK) >> REG_BUILTIN_SHIFT) -#define REG_SET_TYPE(reg, type) \ - reg = ((reg & ~REG_TYPE_MASK) | \ - ((type << REG_TYPE_SHIFT) & REG_TYPE_MASK)) -#define REG_SET_INDEX(reg, index) \ - reg = ((reg & ~REG_INDEX_MASK) | \ - ((index << REG_INDEX_SHIFT) & REG_INDEX_MASK)) -#define REG_SET_VSWZ(reg, vswz) \ - reg = ((reg & ~REG_VSWZ_MASK) | \ - ((vswz << REG_VSWZ_SHIFT) & REG_VSWZ_MASK)) -#define REG_SET_SSWZ(reg, sswz) \ - reg = ((reg & ~REG_SSWZ_MASK) | \ - ((sswz << REG_SSWZ_SHIFT) & REG_SSWZ_MASK)) -#define REG_SET_NO_USE(reg, nouse) \ - reg = ((reg & ~REG_NO_USE_MASK) | \ - ((nouse << REG_NO_USE_SHIFT) & REG_NO_USE_MASK)) -#define REG_SET_VALID(reg, valid) \ - reg = ((reg & ~REG_VALID_MASK) | \ - ((valid << REG_VALID_SHIFT) & REG_VALID_MASK)) -#define REG_SET_BUILTIN(reg, builtin) \ - reg = ((reg & ~REG_BUILTIN_MASK) | \ - ((builtin << REG_BUILTIN_SHIFT) & REG_BUILTIN_MASK)) -#define REG_ABS(reg) \ - reg = (reg | REG_ABS_MASK) -#define REG_NEGV(reg) \ - reg = (reg | REG_NEGV_MASK) -#define REG_NEGS(reg) \ - reg = (reg | REG_NEGS_MASK) - -#define NOP_INST0 ( \ - (R300_ALU_OUTC_MAD) | \ - (R300_ALU_ARGC_ZERO << R300_ALU_ARG0C_SHIFT) | \ - (R300_ALU_ARGC_ZERO << R300_ALU_ARG1C_SHIFT) | \ - (R300_ALU_ARGC_ZERO << R300_ALU_ARG2C_SHIFT)) -#define NOP_INST1 ( \ - ((0 | SRC_CONST) << R300_ALU_SRC0C_SHIFT) | \ - ((0 | SRC_CONST) << R300_ALU_SRC1C_SHIFT) | \ - ((0 | SRC_CONST) << R300_ALU_SRC2C_SHIFT)) -#define NOP_INST2 ( \ - (R300_ALU_OUTA_MAD) | \ - (R300_ALU_ARGA_ZERO << R300_ALU_ARG0A_SHIFT) | \ - (R300_ALU_ARGA_ZERO << R300_ALU_ARG1A_SHIFT) | \ - (R300_ALU_ARGA_ZERO << R300_ALU_ARG2A_SHIFT)) -#define NOP_INST3 ( \ - ((0 | SRC_CONST) << R300_ALU_SRC0A_SHIFT) | \ - ((0 | SRC_CONST) << R300_ALU_SRC1A_SHIFT) | \ - ((0 | SRC_CONST) << R300_ALU_SRC2A_SHIFT)) - - -/* - * Datas structures for fragment program generation - */ - -/* description of r300 native hw instructions */ -static const struct { - const char *name; - int argc; - int v_op; - int s_op; -} r300_fpop[] = { - /* *INDENT-OFF* */ - {"MAD", 3, R300_ALU_OUTC_MAD, R300_ALU_OUTA_MAD}, - {"DP3", 2, R300_ALU_OUTC_DP3, R300_ALU_OUTA_DP4}, - {"DP4", 2, R300_ALU_OUTC_DP4, R300_ALU_OUTA_DP4}, - {"MIN", 2, R300_ALU_OUTC_MIN, R300_ALU_OUTA_MIN}, - {"MAX", 2, R300_ALU_OUTC_MAX, R300_ALU_OUTA_MAX}, - {"CMP", 3, R300_ALU_OUTC_CMP, R300_ALU_OUTA_CMP}, - {"FRC", 1, R300_ALU_OUTC_FRC, R300_ALU_OUTA_FRC}, - {"EX2", 1, R300_ALU_OUTC_REPL_ALPHA, R300_ALU_OUTA_EX2}, - {"LG2", 1, R300_ALU_OUTC_REPL_ALPHA, R300_ALU_OUTA_LG2}, - {"RCP", 1, R300_ALU_OUTC_REPL_ALPHA, R300_ALU_OUTA_RCP}, - {"RSQ", 1, R300_ALU_OUTC_REPL_ALPHA, R300_ALU_OUTA_RSQ}, - {"REPL_ALPHA", 1, R300_ALU_OUTC_REPL_ALPHA, PFS_INVAL}, - {"CMPH", 3, R300_ALU_OUTC_CMPH, PFS_INVAL}, - /* *INDENT-ON* */ -}; - -/* vector swizzles r300 can support natively, with a couple of - * cases we handle specially - * - * REG_VSWZ/REG_SSWZ is an index into this table - */ - -/* mapping from SWIZZLE_* to r300 native values for scalar insns */ -#define SWIZZLE_HALF 6 - -#define MAKE_SWZ3(x, y, z) (MAKE_SWIZZLE4(SWIZZLE_##x, \ - SWIZZLE_##y, \ - SWIZZLE_##z, \ - SWIZZLE_ZERO)) -/* native swizzles */ -static const struct r300_pfs_swizzle { - GLuint hash; /* swizzle value this matches */ - GLuint base; /* base value for hw swizzle */ - GLuint stride; /* difference in base between arg0/1/2 */ - GLuint flags; -} v_swiz[] = { - /* *INDENT-OFF* */ - {MAKE_SWZ3(X, Y, Z), R300_ALU_ARGC_SRC0C_XYZ, 4, SLOT_SRC_VECTOR}, - {MAKE_SWZ3(X, X, X), R300_ALU_ARGC_SRC0C_XXX, 4, SLOT_SRC_VECTOR}, - {MAKE_SWZ3(Y, Y, Y), R300_ALU_ARGC_SRC0C_YYY, 4, SLOT_SRC_VECTOR}, - {MAKE_SWZ3(Z, Z, Z), R300_ALU_ARGC_SRC0C_ZZZ, 4, SLOT_SRC_VECTOR}, - {MAKE_SWZ3(W, W, W), R300_ALU_ARGC_SRC0A, 1, SLOT_SRC_SCALAR}, - {MAKE_SWZ3(Y, Z, X), R300_ALU_ARGC_SRC0C_YZX, 1, SLOT_SRC_VECTOR}, - {MAKE_SWZ3(Z, X, Y), R300_ALU_ARGC_SRC0C_ZXY, 1, SLOT_SRC_VECTOR}, - {MAKE_SWZ3(W, Z, Y), R300_ALU_ARGC_SRC0CA_WZY, 1, SLOT_SRC_BOTH}, - {MAKE_SWZ3(ONE, ONE, ONE), R300_ALU_ARGC_ONE, 0, 0}, - {MAKE_SWZ3(ZERO, ZERO, ZERO), R300_ALU_ARGC_ZERO, 0, 0}, - {MAKE_SWZ3(HALF, HALF, HALF), R300_ALU_ARGC_HALF, 0, 0}, - {PFS_INVAL, 0, 0, 0}, - /* *INDENT-ON* */ -}; - -/* used during matching of non-native swizzles */ -#define SWZ_X_MASK (7 << 0) -#define SWZ_Y_MASK (7 << 3) -#define SWZ_Z_MASK (7 << 6) -#define SWZ_W_MASK (7 << 9) -static const struct { - GLuint hash; /* used to mask matching swizzle components */ - int mask; /* actual outmask */ - int count; /* count of components matched */ -} s_mask[] = { - /* *INDENT-OFF* */ - {SWZ_X_MASK | SWZ_Y_MASK | SWZ_Z_MASK, 1 | 2 | 4, 3}, - {SWZ_X_MASK | SWZ_Y_MASK, 1 | 2, 2}, - {SWZ_X_MASK | SWZ_Z_MASK, 1 | 4, 2}, - {SWZ_Y_MASK | SWZ_Z_MASK, 2 | 4, 2}, - {SWZ_X_MASK, 1, 1}, - {SWZ_Y_MASK, 2, 1}, - {SWZ_Z_MASK, 4, 1}, - {PFS_INVAL, PFS_INVAL, PFS_INVAL} - /* *INDENT-ON* */ -}; - -static const struct { - int base; /* hw value of swizzle */ - int stride; /* difference between SRC0/1/2 */ - GLuint flags; -} s_swiz[] = { - /* *INDENT-OFF* */ - {R300_ALU_ARGA_SRC0C_X, 3, SLOT_SRC_VECTOR}, - {R300_ALU_ARGA_SRC0C_Y, 3, SLOT_SRC_VECTOR}, - {R300_ALU_ARGA_SRC0C_Z, 3, SLOT_SRC_VECTOR}, - {R300_ALU_ARGA_SRC0A, 1, SLOT_SRC_SCALAR}, - {R300_ALU_ARGA_ZERO, 0, 0}, - {R300_ALU_ARGA_ONE, 0, 0}, - {R300_ALU_ARGA_HALF, 0, 0} - /* *INDENT-ON* */ -}; - -/* boiler-plate reg, for convenience */ -static const GLuint undef = REG(REG_TYPE_TEMP, - 0, - SWIZZLE_XYZ, - SWIZZLE_W, - GL_FALSE, - GL_FALSE, - GL_FALSE); - -/* constant one source */ -static const GLuint pfs_one = REG(REG_TYPE_CONST, - 0, - SWIZZLE_111, - SWIZZLE_ONE, - GL_FALSE, - GL_TRUE, - GL_TRUE); - -/* constant half source */ -static const GLuint pfs_half = REG(REG_TYPE_CONST, - 0, - SWIZZLE_HHH, - SWIZZLE_HALF, - GL_FALSE, - GL_TRUE, - GL_TRUE); - -/* constant zero source */ -static const GLuint pfs_zero = REG(REG_TYPE_CONST, - 0, - SWIZZLE_000, - SWIZZLE_ZERO, - GL_FALSE, - GL_TRUE, - GL_TRUE); - -/* - * Common functions prototypes - */ -static void emit_arith(struct r300_pfs_compile_state *cs, int op, - GLuint dest, int mask, - GLuint src0, GLuint src1, GLuint src2, int flags); - -/** - * Get an R300 temporary that can be written to in the given slot. - */ -static int get_hw_temp(struct r300_pfs_compile_state *cs, int slot) -{ - COMPILE_STATE; - int r; - - for (r = 0; r < PFS_NUM_TEMP_REGS; ++r) { - if (cs->hwtemps[r].free >= 0 && cs->hwtemps[r].free <= slot) - break; - } - - if (r >= PFS_NUM_TEMP_REGS) { - ERROR("Out of hardware temps\n"); - return 0; - } - // Reserved is used to avoid the following scenario: - // R300 temporary X is first assigned to Mesa temporary Y during vector ops - // R300 temporary X is then assigned to Mesa temporary Z for further vector ops - // Then scalar ops on Mesa temporary Z are emitted and move back in time - // to overwrite the value of temporary Y. - // End scenario. - cs->hwtemps[r].reserved = cs->hwtemps[r].free; - cs->hwtemps[r].free = -1; - - // Reset to some value that won't mess things up when the user - // tries to read from a temporary that hasn't been assigned a value yet. - // In the normal case, vector_valid and scalar_valid should be set to - // a sane value by the first emit that writes to this temporary. - cs->hwtemps[r].vector_valid = 0; - cs->hwtemps[r].scalar_valid = 0; - - if (r > code->max_temp_idx) - code->max_temp_idx = r; - - return r; -} - -/** - * Get an R300 temporary that will act as a TEX destination register. - */ -static int get_hw_temp_tex(struct r300_pfs_compile_state *cs) -{ - COMPILE_STATE; - int r; - - for (r = 0; r < PFS_NUM_TEMP_REGS; ++r) { - if (cs->used_in_node & (1 << r)) - continue; - - // Note: Be very careful here - if (cs->hwtemps[r].free >= 0 && cs->hwtemps[r].free <= 0) - break; - } - - if (r >= PFS_NUM_TEMP_REGS) - return get_hw_temp(cs, 0); /* Will cause an indirection */ - - cs->hwtemps[r].reserved = cs->hwtemps[r].free; - cs->hwtemps[r].free = -1; - - // Reset to some value that won't mess things up when the user - // tries to read from a temporary that hasn't been assigned a value yet. - // In the normal case, vector_valid and scalar_valid should be set to - // a sane value by the first emit that writes to this temporary. - cs->hwtemps[r].vector_valid = cs->nrslots; - cs->hwtemps[r].scalar_valid = cs->nrslots; - if (r > code->max_temp_idx) - code->max_temp_idx = r; - - return r; -} - -/** - * Mark the given hardware register as free. - */ -static void free_hw_temp(struct r300_pfs_compile_state *cs, int idx) +static GLboolean emit_const(void* data, GLuint file, GLuint index, GLuint *hwindex) { - // Be very careful here. Consider sequences like - // MAD r0, r1,r2,r3 - // TEX r4, ... - // The TEX instruction may be moved in front of the MAD instruction - // due to the way nodes work. We don't want to alias r1 and r4 in - // this case. - // I'm certain the register allocation could be further sanitized, - // but it's tricky because of stuff that can happen inside emit_tex - // and emit_arith. - cs->hwtemps[idx].free = cs->nrslots + 1; -} + PROG_CODE; -/** - * Create a new Mesa temporary register. - */ -static GLuint get_temp_reg(struct r300_pfs_compile_state *cs) -{ - COMPILE_STATE; - GLuint r = undef; - GLuint index; - - index = ffs(~cs->temp_in_use); - if (!index) { - ERROR("Out of program temps\n"); - return r; - } - - cs->temp_in_use |= (1 << --index); - cs->temps[index].refcount = 0xFFFFFFFF; - cs->temps[index].reg = -1; - - REG_SET_TYPE(r, REG_TYPE_TEMP); - REG_SET_INDEX(r, index); - REG_SET_VALID(r, GL_TRUE); - return r; -} - -/** - * Free a Mesa temporary and the associated R300 temporary. - */ -static void free_temp(struct r300_pfs_compile_state *cs, GLuint r) -{ - GLuint index = REG_GET_INDEX(r); - - if (!(cs->temp_in_use & (1 << index))) - return; - - if (REG_GET_TYPE(r) == REG_TYPE_TEMP) { - free_hw_temp(cs, cs->temps[index].reg); - cs->temps[index].reg = -1; - cs->temp_in_use &= ~(1 << index); - } else if (REG_GET_TYPE(r) == REG_TYPE_INPUT) { - free_hw_temp(cs, cs->inputs[index].reg); - cs->inputs[index].reg = -1; - } -} - -/** - * Emit a hardware constant/parameter. - */ -static GLuint emit_const4fv(struct r300_pfs_compile_state *cs, - struct prog_src_register srcreg) -{ - COMPILE_STATE; - GLuint reg = undef; - int index; - - for (index = 0; index < code->const_nr; ++index) { - if (code->constant[index].File == srcreg.File && - code->constant[index].Index == srcreg.Index) + for (*hwindex = 0; *hwindex < code->const_nr; ++*hwindex) { + if (code->constant[*hwindex].File == file && + code->constant[*hwindex].Index == index) break; } - if (index >= code->const_nr) { - if (index >= PFS_NUM_CONST_REGS) { - ERROR("Out of hw constants!\n"); - return reg; + if (*hwindex >= code->const_nr) { + if (*hwindex >= PFS_NUM_CONST_REGS) { + error("Out of hw constants!\n"); + return GL_FALSE; } code->const_nr++; - code->constant[index] = srcreg; + code->constant[*hwindex].File = file; + code->constant[*hwindex].Index = index; } - REG_SET_TYPE(reg, REG_TYPE_CONST); - REG_SET_INDEX(reg, index); - REG_SET_VALID(reg, GL_TRUE); - return reg; + return GL_TRUE; } -static INLINE GLuint negate(GLuint r) -{ - REG_NEGS(r); - REG_NEGV(r); - return r; -} -/* Hack, to prevent clobbering sources used multiple times when - * emulating non-native instructions +/** + * Mark a temporary register as used. */ -static INLINE GLuint keep(GLuint r) -{ - REG_SET_NO_USE(r, GL_TRUE); - return r; -} - -static INLINE GLuint absolute(GLuint r) -{ - REG_ABS(r); - return r; -} - -static int swz_native(struct r300_pfs_compile_state *cs, - GLuint src, GLuint * r, GLuint arbneg) -{ - COMPILE_STATE; - - /* Native swizzle, handle negation */ - src = (src & ~REG_NEGS_MASK) | (((arbneg >> 3) & 1) << REG_NEGS_SHIFT); - - if ((arbneg & 0x7) == 0x0) { - src = src & ~REG_NEGV_MASK; - *r = src; - } else if ((arbneg & 0x7) == 0x7) { - src |= REG_NEGV_MASK; - *r = src; - } else { - if (!REG_GET_VALID(*r)) - *r = get_temp_reg(cs); - src |= REG_NEGV_MASK; - emit_arith(cs, - PFS_OP_MAD, - *r, arbneg & 0x7, keep(src), pfs_one, pfs_zero, 0); - src = src & ~REG_NEGV_MASK; - emit_arith(cs, - PFS_OP_MAD, - *r, - (arbneg ^ 0x7) | WRITEMASK_W, - src, pfs_one, pfs_zero, 0); - } - - return 3; -} - -static int swz_emit_partial(struct r300_pfs_compile_state *cs, - GLuint src, - GLuint * r, int mask, int mc, GLuint arbneg) -{ - COMPILE_STATE; - GLuint tmp; - GLuint wmask = 0; - - if (!REG_GET_VALID(*r)) - *r = get_temp_reg(cs); - - /* A partial match, VSWZ/mask define what parts of the - * desired swizzle we match - */ - if (mc + s_mask[mask].count == 3) { - wmask = WRITEMASK_W; - src |= ((arbneg >> 3) & 1) << REG_NEGS_SHIFT; - } - - tmp = arbneg & s_mask[mask].mask; - if (tmp) { - tmp = tmp ^ s_mask[mask].mask; - if (tmp) { - emit_arith(cs, - PFS_OP_MAD, - *r, - arbneg & s_mask[mask].mask, - keep(src) | REG_NEGV_MASK, - pfs_one, pfs_zero, 0); - if (!wmask) { - REG_SET_NO_USE(src, GL_TRUE); - } else { - REG_SET_NO_USE(src, GL_FALSE); - } - emit_arith(cs, - PFS_OP_MAD, - *r, tmp | wmask, src, pfs_one, pfs_zero, 0); - } else { - if (!wmask) { - REG_SET_NO_USE(src, GL_TRUE); - } else { - REG_SET_NO_USE(src, GL_FALSE); - } - emit_arith(cs, - PFS_OP_MAD, - *r, - (arbneg & s_mask[mask].mask) | wmask, - src | REG_NEGV_MASK, pfs_one, pfs_zero, 0); - } - } else { - if (!wmask) { - REG_SET_NO_USE(src, GL_TRUE); - } else { - REG_SET_NO_USE(src, GL_FALSE); - } - emit_arith(cs, PFS_OP_MAD, - *r, - s_mask[mask].mask | wmask, - src, pfs_one, pfs_zero, 0); - } - - return s_mask[mask].count; -} - -static GLuint do_swizzle(struct r300_pfs_compile_state *cs, - GLuint src, GLuint arbswz, GLuint arbneg) -{ - COMPILE_STATE; - GLuint r = undef; - GLuint vswz; - int c_mask = 0; - int v_match = 0; - - /* If swizzling from something without an XYZW native swizzle, - * emit result to a temp, and do new swizzle from the temp. - */ -#if 0 - if (REG_GET_VSWZ(src) != SWIZZLE_XYZ || REG_GET_SSWZ(src) != SWIZZLE_W) { - GLuint temp = get_temp_reg(fp); - emit_arith(fp, - PFS_OP_MAD, - temp, WRITEMASK_XYZW, src, pfs_one, pfs_zero, 0); - src = temp; - } -#endif - - if (REG_GET_VSWZ(src) != SWIZZLE_XYZ || REG_GET_SSWZ(src) != SWIZZLE_W) { - GLuint vsrcswz = - (v_swiz[REG_GET_VSWZ(src)]. - hash & (SWZ_X_MASK | SWZ_Y_MASK | SWZ_Z_MASK)) | - REG_GET_SSWZ(src) << 9; - GLint i; - - GLuint newswz = 0; - GLuint offset; - for (i = 0; i < 4; ++i) { - offset = GET_SWZ(arbswz, i); - - newswz |= - (offset <= 3) ? GET_SWZ(vsrcswz, - offset) << i * - 3 : offset << i * 3; - } - - arbswz = newswz & (SWZ_X_MASK | SWZ_Y_MASK | SWZ_Z_MASK); - REG_SET_SSWZ(src, GET_SWZ(newswz, 3)); - } else { - /* set scalar swizzling */ - REG_SET_SSWZ(src, GET_SWZ(arbswz, 3)); - - } - do { - vswz = REG_GET_VSWZ(src); - do { - int chash; - - REG_SET_VSWZ(src, vswz); - chash = v_swiz[REG_GET_VSWZ(src)].hash & - s_mask[c_mask].hash; - - if (chash == (arbswz & s_mask[c_mask].hash)) { - if (s_mask[c_mask].count == 3) { - v_match += swz_native(cs, - src, &r, arbneg); - } else { - v_match += swz_emit_partial(cs, - src, - &r, - c_mask, - v_match, - arbneg); - } - - if (v_match == 3) - return r; - - /* Fill with something invalid.. all 0's was - * wrong before, matched SWIZZLE_X. So all - * 1's will be okay for now - */ - arbswz |= (PFS_INVAL & s_mask[c_mask].hash); - } - } while (v_swiz[++vswz].hash != PFS_INVAL); - REG_SET_VSWZ(src, SWIZZLE_XYZ); - } while (s_mask[++c_mask].hash != PFS_INVAL); - - ERROR("should NEVER get here\n"); - return r; -} - -static GLuint t_src(struct r300_pfs_compile_state *cs, - struct prog_src_register fpsrc) -{ - COMPILE_STATE; - GLuint r = undef; - - switch (fpsrc.File) { - case PROGRAM_TEMPORARY: - REG_SET_INDEX(r, fpsrc.Index); - REG_SET_VALID(r, GL_TRUE); - REG_SET_TYPE(r, REG_TYPE_TEMP); - break; - case PROGRAM_INPUT: - REG_SET_INDEX(r, fpsrc.Index); - REG_SET_VALID(r, GL_TRUE); - REG_SET_TYPE(r, REG_TYPE_INPUT); - break; - case PROGRAM_LOCAL_PARAM: - case PROGRAM_ENV_PARAM: - case PROGRAM_STATE_VAR: - case PROGRAM_NAMED_PARAM: - case PROGRAM_CONSTANT: - r = emit_const4fv(cs, fpsrc); - break; - case PROGRAM_BUILTIN: - switch(fpsrc.Swizzle) { - case SWIZZLE_1111: r = pfs_one; break; - case SWIZZLE_0000: r = pfs_zero; break; - default: - ERROR("bad PROGRAM_BUILTIN swizzle %u\n", fpsrc.Swizzle); - break; - } - break; - default: - ERROR("unknown SrcReg->File %x\n", fpsrc.File); - return r; - } - - /* no point swizzling ONE/ZERO/HALF constants... */ - if (REG_GET_VSWZ(r) < SWIZZLE_111 || REG_GET_SSWZ(r) < SWIZZLE_ZERO) - r = do_swizzle(cs, r, fpsrc.Swizzle, fpsrc.NegateBase); - if (fpsrc.Abs) - r = absolute(r); - if (fpsrc.NegateAbs) - r = negate(r); - return r; -} - -static GLuint t_scalar_src(struct r300_pfs_compile_state *cs, - struct prog_src_register fpsrc) +static void use_temporary(struct r300_fragment_program_code *code, GLuint index) { - struct prog_src_register src = fpsrc; - int sc = GET_SWZ(fpsrc.Swizzle, 0); /* X */ - - src.Swizzle = ((sc << 0) | (sc << 3) | (sc << 6) | (sc << 9)); - - return t_src(cs, src); + if (index > code->max_temp_idx) + code->max_temp_idx = index; } -static GLuint t_dst(struct r300_pfs_compile_state *cs, - struct prog_dst_register dest) -{ - COMPILE_STATE; - GLuint r = undef; - switch (dest.File) { - case PROGRAM_TEMPORARY: - REG_SET_INDEX(r, dest.Index); - REG_SET_VALID(r, GL_TRUE); - REG_SET_TYPE(r, REG_TYPE_TEMP); - return r; - case PROGRAM_OUTPUT: - REG_SET_TYPE(r, REG_TYPE_OUTPUT); - switch (dest.Index) { - case FRAG_RESULT_COLR: - case FRAG_RESULT_DEPR: - REG_SET_INDEX(r, dest.Index); - REG_SET_VALID(r, GL_TRUE); - return r; - default: - ERROR("Bad DstReg->Index 0x%x\n", dest.Index); - return r; - } - default: - ERROR("Bad DstReg->File 0x%x\n", dest.File); - return r; - } -} - -static int t_hw_src(struct r300_pfs_compile_state *cs, GLuint src, GLboolean tex) +static GLuint translate_rgb_opcode(GLuint opcode) { - COMPILE_STATE; - int idx; - int index = REG_GET_INDEX(src); - - switch (REG_GET_TYPE(src)) { - case REG_TYPE_TEMP: - /* NOTE: if reg==-1 here, a source is being read that - * hasn't been written to. Undefined results. - */ - if (cs->temps[index].reg == -1) - cs->temps[index].reg = get_hw_temp(cs, cs->nrslots); - - idx = cs->temps[index].reg; - - if (!REG_GET_NO_USE(src) && (--cs->temps[index].refcount == 0)) - free_temp(cs, src); - break; - case REG_TYPE_INPUT: - idx = cs->inputs[index].reg; - - if (!REG_GET_NO_USE(src) && (--cs->inputs[index].refcount == 0)) - free_hw_temp(cs, cs->inputs[index].reg); - break; - case REG_TYPE_CONST: - return (index | SRC_CONST); + switch(opcode) { + case OPCODE_CMP: return R300_ALU_OUTC_CMP; + case OPCODE_DP3: return R300_ALU_OUTC_DP3; + case OPCODE_DP4: return R300_ALU_OUTC_DP4; + case OPCODE_FRC: return R300_ALU_OUTC_FRC; default: - ERROR("Invalid type for source reg\n"); - return (0 | SRC_CONST); + error("translate_rgb_opcode(%i): Unknown opcode", opcode); + /* fall through */ + case OPCODE_NOP: + /* fall through */ + case OPCODE_MAD: return R300_ALU_OUTC_MAD; + case OPCODE_MAX: return R300_ALU_OUTC_MAX; + case OPCODE_MIN: return R300_ALU_OUTC_MIN; + case OPCODE_REPL_ALPHA: return R300_ALU_OUTC_REPL_ALPHA; } - - if (!tex) - cs->used_in_node |= (1 << idx); - - return idx; } -static int t_hw_dst(struct r300_pfs_compile_state *cs, - GLuint dest, GLboolean tex, int slot) +static GLuint translate_alpha_opcode(GLuint opcode) { - COMPILE_STATE; - int idx; - GLuint index = REG_GET_INDEX(dest); - assert(REG_GET_VALID(dest)); - - switch (REG_GET_TYPE(dest)) { - case REG_TYPE_TEMP: - if (cs->temps[REG_GET_INDEX(dest)].reg == -1) { - if (!tex) { - cs->temps[index].reg = get_hw_temp(cs, slot); - } else { - cs->temps[index].reg = get_hw_temp_tex(cs); - } - } - idx = cs->temps[index].reg; - - if (!REG_GET_NO_USE(dest) && (--cs->temps[index].refcount == 0)) - free_temp(cs, dest); - - cs->dest_in_node |= (1 << idx); - cs->used_in_node |= (1 << idx); - break; - case REG_TYPE_OUTPUT: - switch (index) { - case FRAG_RESULT_COLR: - code->node[code->cur_node].flags |= R300_RGBA_OUT; - break; - case FRAG_RESULT_DEPR: - fp->WritesDepth = GL_TRUE; - code->node[code->cur_node].flags |= R300_W_OUT; - break; - } - return index; - break; + switch(opcode) { + case OPCODE_CMP: return R300_ALU_OUTA_CMP; + case OPCODE_DP3: return R300_ALU_OUTA_DP4; + case OPCODE_DP4: return R300_ALU_OUTA_DP4; + case OPCODE_EX2: return R300_ALU_OUTA_EX2; + case OPCODE_FRC: return R300_ALU_OUTA_FRC; + case OPCODE_LG2: return R300_ALU_OUTA_LG2; default: - ERROR("invalid dest reg type %d\n", REG_GET_TYPE(dest)); - return 0; - } - - return idx; -} - -static void emit_nop(struct r300_pfs_compile_state *cs) -{ - COMPILE_STATE; - - if (cs->nrslots >= PFS_MAX_ALU_INST) { - ERROR("Out of ALU instruction slots\n"); - return; - } - - code->alu.inst[cs->nrslots].inst0 = NOP_INST0; - code->alu.inst[cs->nrslots].inst1 = NOP_INST1; - code->alu.inst[cs->nrslots].inst2 = NOP_INST2; - code->alu.inst[cs->nrslots].inst3 = NOP_INST3; - cs->nrslots++; -} - -static void emit_tex(struct r300_pfs_compile_state *cs, - struct prog_instruction *fpi, int opcode) -{ - COMPILE_STATE; - GLuint coord = t_src(cs, fpi->SrcReg[0]); - GLuint dest = undef; - GLuint din, uin; - int unit = fpi->TexSrcUnit; - int hwsrc, hwdest; - - /* Ensure correct node indirection */ - uin = cs->used_in_node; - din = cs->dest_in_node; - - /* Resolve source/dest to hardware registers */ - hwsrc = t_hw_src(cs, coord, GL_TRUE); - - if (opcode != R300_TEX_OP_KIL) { - dest = t_dst(cs, fpi->DstReg); - - hwdest = - t_hw_dst(cs, dest, GL_TRUE, - code->node[code->cur_node].alu_offset); - - /* Use a temp that hasn't been used in this node, rather - * than causing an indirection - */ - if (uin & (1 << hwdest)) { - free_hw_temp(cs, hwdest); - hwdest = get_hw_temp_tex(cs); - cs->temps[REG_GET_INDEX(dest)].reg = hwdest; - } - } else { - hwdest = 0; - unit = 0; - } - - /* Indirection if source has been written in this node, or if the - * dest has been read/written in this node - */ - if ((REG_GET_TYPE(coord) != REG_TYPE_CONST && - (din & (1 << hwsrc))) || (uin & (1 << hwdest))) { - - /* Finish off current node */ - if (code->node[code->cur_node].alu_offset == cs->nrslots) - emit_nop(cs); - - code->node[code->cur_node].alu_end = - cs->nrslots - code->node[code->cur_node].alu_offset - 1; - assert(code->node[code->cur_node].alu_end >= 0); - - if (++code->cur_node >= PFS_MAX_TEX_INDIRECT) { - ERROR("too many levels of texture indirection\n"); - return; - } - - /* Start new node */ - code->node[code->cur_node].tex_offset = code->tex.length; - code->node[code->cur_node].alu_offset = cs->nrslots; - code->node[code->cur_node].tex_end = -1; - code->node[code->cur_node].alu_end = -1; - code->node[code->cur_node].flags = 0; - cs->used_in_node = 0; - cs->dest_in_node = 0; + error("translate_rgb_opcode(%i): Unknown opcode", opcode); + /* fall through */ + case OPCODE_NOP: + /* fall through */ + case OPCODE_MAD: return R300_ALU_OUTA_MAD; + case OPCODE_MAX: return R300_ALU_OUTA_MAX; + case OPCODE_MIN: return R300_ALU_OUTA_MIN; + case OPCODE_RCP: return R300_ALU_OUTA_RCP; + case OPCODE_RSQ: return R300_ALU_OUTA_RSQ; } - - if (code->cur_node == 0) - code->first_node_has_tex = 1; - - code->tex.inst[code->tex.length++] = 0 | (hwsrc << R300_SRC_ADDR_SHIFT) - | (hwdest << R300_DST_ADDR_SHIFT) - | (unit << R300_TEX_ID_SHIFT) - | (opcode << R300_TEX_INST_SHIFT); - - cs->dest_in_node |= (1 << hwdest); - if (REG_GET_TYPE(coord) != REG_TYPE_CONST) - cs->used_in_node |= (1 << hwsrc); - - code->node[code->cur_node].tex_end++; } /** - * Returns the first slot where we could possibly allow writing to dest, - * according to register allocation. + * Emit one paired ALU instruction. */ -static int get_earliest_allowed_write(struct r300_pfs_compile_state *cs, - GLuint dest, int mask) +static GLboolean emit_alu(void* data, struct radeon_pair_instruction* inst) { - COMPILE_STATE; - int idx; - int pos; - GLuint index = REG_GET_INDEX(dest); - assert(REG_GET_VALID(dest)); + PROG_CODE; - switch (REG_GET_TYPE(dest)) { - case REG_TYPE_TEMP: - if (cs->temps[index].reg == -1) - return 0; - - idx = cs->temps[index].reg; - break; - case REG_TYPE_OUTPUT: - return 0; - default: - ERROR("invalid dest reg type %d\n", REG_GET_TYPE(dest)); - return 0; - } - - pos = cs->hwtemps[idx].reserved; - if (mask & WRITEMASK_XYZ) { - if (pos < cs->hwtemps[idx].vector_lastread) - pos = cs->hwtemps[idx].vector_lastread; - } - if (mask & WRITEMASK_W) { - if (pos < cs->hwtemps[idx].scalar_lastread) - pos = cs->hwtemps[idx].scalar_lastread; + if (code->alu.length >= PFS_MAX_ALU_INST) { + error("Too many ALU instructions"); + return GL_FALSE; } - return pos; -} - -/** - * Allocates a slot for an ALU instruction that can consist of - * a vertex part or a scalar part or both. - * - * Sources from src (src[0] to src[argc-1]) are added to the slot in the - * appropriate position (vector and/or scalar), and their positions are - * recorded in the srcpos array. - * - * This function emits instruction code for the source fetch and the - * argument selection. It does not emit instruction code for the - * opcode or the destination selection. - * - * @return the index of the slot - */ -static int find_and_prepare_slot(struct r300_pfs_compile_state *cs, - GLboolean emit_vop, - GLboolean emit_sop, - int argc, GLuint * src, GLuint dest, int mask) -{ - COMPILE_STATE; - int hwsrc[3]; - int srcpos[3]; - unsigned int used; - int tempused; - int tempvsrc[3]; - int tempssrc[3]; - int pos; - int regnr; - int i, j; + int ip = code->alu.length++; + int j; + code->node[code->cur_node].alu_end++; - // Determine instruction slots, whether sources are required on - // vector or scalar side, and the smallest slot number where - // all source registers are available - used = 0; - if (emit_vop) - used |= SLOT_OP_VECTOR; - if (emit_sop) - used |= SLOT_OP_SCALAR; + code->alu.inst[ip].inst0 = translate_rgb_opcode(inst->RGB.Opcode); + code->alu.inst[ip].inst2 = translate_alpha_opcode(inst->Alpha.Opcode); - pos = get_earliest_allowed_write(cs, dest, mask); + for(j = 0; j < 3; ++j) { + GLuint src = inst->RGB.Src[j].Index | (inst->RGB.Src[j].Constant << 5); + if (!inst->RGB.Src[j].Constant) + use_temporary(code, inst->RGB.Src[j].Index); + code->alu.inst[ip].inst1 |= src << (6*j); - if (code->node[code->cur_node].alu_offset > pos) - pos = code->node[code->cur_node].alu_offset; - for (i = 0; i < argc; ++i) { - if (!REG_GET_BUILTIN(src[i])) { - if (emit_vop) - used |= v_swiz[REG_GET_VSWZ(src[i])].flags << i; - if (emit_sop) - used |= s_swiz[REG_GET_SSWZ(src[i])].flags << i; - } + src = inst->Alpha.Src[j].Index | (inst->Alpha.Src[j].Constant << 5); + if (!inst->Alpha.Src[j].Constant) + use_temporary(code, inst->Alpha.Src[j].Index); + code->alu.inst[ip].inst3 |= src << (6*j); - hwsrc[i] = t_hw_src(cs, src[i], GL_FALSE); /* Note: sideeffects wrt refcounting! */ - regnr = hwsrc[i] & 31; + GLuint arg = r300FPTranslateRGBSwizzle(inst->RGB.Arg[j].Source, inst->RGB.Arg[j].Swizzle); + arg |= inst->RGB.Arg[j].Abs << 6; + arg |= inst->RGB.Arg[j].Negate << 5; + code->alu.inst[ip].inst0 |= arg << (7*j); - if (REG_GET_TYPE(src[i]) == REG_TYPE_TEMP) { - if (used & (SLOT_SRC_VECTOR << i)) { - if (cs->hwtemps[regnr].vector_valid > pos) - pos = cs->hwtemps[regnr].vector_valid; - } - if (used & (SLOT_SRC_SCALAR << i)) { - if (cs->hwtemps[regnr].scalar_valid > pos) - pos = cs->hwtemps[regnr].scalar_valid; - } - } + arg = r300FPTranslateAlphaSwizzle(inst->Alpha.Arg[j].Source, inst->Alpha.Arg[j].Swizzle); + arg |= inst->Alpha.Arg[j].Abs << 6; + arg |= inst->Alpha.Arg[j].Negate << 5; + code->alu.inst[ip].inst2 |= arg << (7*j); } - // Find a slot that fits - for (;; ++pos) { - if (cs->slot[pos].used & used & SLOT_OP_BOTH) - continue; - - if (pos >= cs->nrslots) { - if (cs->nrslots >= PFS_MAX_ALU_INST) { - ERROR("Out of ALU instruction slots\n"); - return -1; - } - - code->alu.inst[pos].inst0 = NOP_INST0; - code->alu.inst[pos].inst1 = NOP_INST1; - code->alu.inst[pos].inst2 = NOP_INST2; - code->alu.inst[pos].inst3 = NOP_INST3; - - cs->nrslots++; - } - // Note: When we need both parts (vector and scalar) of a source, - // we always try to put them into the same position. This makes the - // code easier to read, and it is optimal (i.e. one doesn't gain - // anything by splitting the parts). - // It also avoids headaches with swizzles that access both parts (i.e WXY) - tempused = cs->slot[pos].used; - for (i = 0; i < 3; ++i) { - tempvsrc[i] = cs->slot[pos].vsrc[i]; - tempssrc[i] = cs->slot[pos].ssrc[i]; - } - - for (i = 0; i < argc; ++i) { - int flags = (used >> i) & SLOT_SRC_BOTH; - - if (!flags) { - srcpos[i] = 0; - continue; - } - - for (j = 0; j < 3; ++j) { - if ((tempused >> j) & flags & SLOT_SRC_VECTOR) { - if (tempvsrc[j] != hwsrc[i]) - continue; - } - - if ((tempused >> j) & flags & SLOT_SRC_SCALAR) { - if (tempssrc[j] != hwsrc[i]) - continue; - } + if (inst->RGB.Saturate) + code->alu.inst[ip].inst0 |= R300_ALU_OUTC_CLAMP; + if (inst->Alpha.Saturate) + code->alu.inst[ip].inst2 |= R300_ALU_OUTA_CLAMP; - break; - } - - if (j == 3) - break; - - srcpos[i] = j; - tempused |= flags << j; - if (flags & SLOT_SRC_VECTOR) - tempvsrc[j] = hwsrc[i]; - if (flags & SLOT_SRC_SCALAR) - tempssrc[j] = hwsrc[i]; - } - - if (i == argc) - break; + if (inst->RGB.WriteMask) { + use_temporary(code, inst->RGB.DestIndex); + code->alu.inst[ip].inst1 |= + (inst->RGB.DestIndex << R300_ALU_DSTC_SHIFT) | + (inst->RGB.WriteMask << R300_ALU_DSTC_REG_MASK_SHIFT); } - - // Found a slot, reserve it - cs->slot[pos].used = tempused | (used & SLOT_OP_BOTH); - for (i = 0; i < 3; ++i) { - cs->slot[pos].vsrc[i] = tempvsrc[i]; - cs->slot[pos].ssrc[i] = tempssrc[i]; + if (inst->RGB.OutputWriteMask) { + code->alu.inst[ip].inst1 |= (inst->RGB.OutputWriteMask << R300_ALU_DSTC_OUTPUT_MASK_SHIFT); + code->node[code->cur_node].flags |= R300_RGBA_OUT; } - for (i = 0; i < argc; ++i) { - if (REG_GET_TYPE(src[i]) == REG_TYPE_TEMP) { - int regnr = hwsrc[i] & 31; - - if (used & (SLOT_SRC_VECTOR << i)) { - if (cs->hwtemps[regnr].vector_lastread < pos) - cs->hwtemps[regnr].vector_lastread = - pos; - } - if (used & (SLOT_SRC_SCALAR << i)) { - if (cs->hwtemps[regnr].scalar_lastread < pos) - cs->hwtemps[regnr].scalar_lastread = - pos; - } - } + if (inst->Alpha.WriteMask) { + use_temporary(code, inst->Alpha.DestIndex); + code->alu.inst[ip].inst3 |= + (inst->Alpha.DestIndex << R300_ALU_DSTA_SHIFT) | + R300_ALU_DSTA_REG; } - - // Emit the source fetch code - code->alu.inst[pos].inst1 &= ~R300_ALU_SRC_MASK; - code->alu.inst[pos].inst1 |= - ((cs->slot[pos].vsrc[0] << R300_ALU_SRC0C_SHIFT) | - (cs->slot[pos].vsrc[1] << R300_ALU_SRC1C_SHIFT) | - (cs->slot[pos].vsrc[2] << R300_ALU_SRC2C_SHIFT)); - - code->alu.inst[pos].inst3 &= ~R300_ALU_SRC_MASK; - code->alu.inst[pos].inst3 |= - ((cs->slot[pos].ssrc[0] << R300_ALU_SRC0A_SHIFT) | - (cs->slot[pos].ssrc[1] << R300_ALU_SRC1A_SHIFT) | - (cs->slot[pos].ssrc[2] << R300_ALU_SRC2A_SHIFT)); - - // Emit the argument selection code - if (emit_vop) { - int swz[3]; - - for (i = 0; i < 3; ++i) { - if (i < argc) { - swz[i] = (v_swiz[REG_GET_VSWZ(src[i])].base + - (srcpos[i] * - v_swiz[REG_GET_VSWZ(src[i])]. - stride)) | ((src[i] & REG_NEGV_MASK) - ? ARG_NEG : 0) | ((src[i] - & - REG_ABS_MASK) - ? - ARG_ABS - : 0); - } else { - swz[i] = R300_ALU_ARGC_ZERO; - } - } - - code->alu.inst[pos].inst0 &= - ~(R300_ALU_ARG0C_MASK | R300_ALU_ARG1C_MASK | - R300_ALU_ARG2C_MASK); - code->alu.inst[pos].inst0 |= - (swz[0] << R300_ALU_ARG0C_SHIFT) | (swz[1] << - R300_ALU_ARG1C_SHIFT) - | (swz[2] << R300_ALU_ARG2C_SHIFT); + if (inst->Alpha.OutputWriteMask) { + code->alu.inst[ip].inst3 |= R300_ALU_DSTA_OUTPUT; + code->node[code->cur_node].flags |= R300_RGBA_OUT; } - - if (emit_sop) { - int swz[3]; - - for (i = 0; i < 3; ++i) { - if (i < argc) { - swz[i] = (s_swiz[REG_GET_SSWZ(src[i])].base + - (srcpos[i] * - s_swiz[REG_GET_SSWZ(src[i])]. - stride)) | ((src[i] & REG_NEGS_MASK) - ? ARG_NEG : 0) | ((src[i] - & - REG_ABS_MASK) - ? - ARG_ABS - : 0); - } else { - swz[i] = R300_ALU_ARGA_ZERO; - } - } - - code->alu.inst[pos].inst2 &= - ~(R300_ALU_ARG0A_MASK | R300_ALU_ARG1A_MASK | - R300_ALU_ARG2A_MASK); - code->alu.inst[pos].inst2 |= - (swz[0] << R300_ALU_ARG0A_SHIFT) | (swz[1] << - R300_ALU_ARG1A_SHIFT) - | (swz[2] << R300_ALU_ARG2A_SHIFT); + if (inst->Alpha.DepthWriteMask) { + code->alu.inst[ip].inst3 |= R300_ALU_DSTA_DEPTH; + code->node[code->cur_node].flags |= R300_W_OUT; + c->fp->WritesDepth = GL_TRUE; } - return pos; + return GL_TRUE; } + /** - * Append an ALU instruction to the instruction list. + * Finish the current node without advancing to the next one. */ -static void emit_arith(struct r300_pfs_compile_state *cs, - int op, - GLuint dest, - int mask, - GLuint src0, GLuint src1, GLuint src2, int flags) +static GLboolean finish_node(struct r300_fragment_program_compiler *c) { - COMPILE_STATE; - GLuint src[3] = { src0, src1, src2 }; - int hwdest; - GLboolean emit_vop, emit_sop; - int vop, sop, argc; - int pos; - - vop = r300_fpop[op].v_op; - sop = r300_fpop[op].s_op; - argc = r300_fpop[op].argc; - - if (REG_GET_TYPE(dest) == REG_TYPE_OUTPUT && - REG_GET_INDEX(dest) == FRAG_RESULT_DEPR) { - if (mask & WRITEMASK_Z) { - mask = WRITEMASK_W; - } else { - return; - } - } - - emit_vop = GL_FALSE; - emit_sop = GL_FALSE; - if ((mask & WRITEMASK_XYZ) || vop == R300_ALU_OUTC_DP3) - emit_vop = GL_TRUE; - if ((mask & WRITEMASK_W) || vop == R300_ALU_OUTC_REPL_ALPHA) - emit_sop = GL_TRUE; - - pos = - find_and_prepare_slot(cs, emit_vop, emit_sop, argc, src, dest, - mask); - if (pos < 0) - return; - - hwdest = t_hw_dst(cs, dest, GL_FALSE, pos); /* Note: Side effects wrt register allocation */ - - if (flags & PFS_FLAG_SAT) { - vop |= R300_ALU_OUTC_CLAMP; - sop |= R300_ALU_OUTA_CLAMP; + struct r300_fragment_program_code *code = c->code; + struct r300_fragment_program_node *node = &code->node[code->cur_node]; + + if (node->alu_end < 0) { + /* Generate a single NOP for this node */ + struct radeon_pair_instruction inst; + _mesa_bzero(&inst, sizeof(inst)); + if (!emit_alu(c, &inst)) + return GL_FALSE; } - /* Throw the pieces together and get ALU/1 */ - if (emit_vop) { - code->alu.inst[pos].inst0 |= vop; - - code->alu.inst[pos].inst1 |= hwdest << R300_ALU_DSTC_SHIFT; - - if (REG_GET_TYPE(dest) == REG_TYPE_OUTPUT) { - if (REG_GET_INDEX(dest) == FRAG_RESULT_COLR) { - code->alu.inst[pos].inst1 |= - (mask & WRITEMASK_XYZ) << - R300_ALU_DSTC_OUTPUT_MASK_SHIFT; - } else - assert(0); + if (node->tex_end < 0) { + if (code->cur_node == 0) { + node->tex_end = 0; } else { - code->alu.inst[pos].inst1 |= - (mask & WRITEMASK_XYZ) << - R300_ALU_DSTC_REG_MASK_SHIFT; - - cs->hwtemps[hwdest].vector_valid = pos + 1; - } - } - - /* And now ALU/3 */ - if (emit_sop) { - code->alu.inst[pos].inst2 |= sop; - - if (mask & WRITEMASK_W) { - if (REG_GET_TYPE(dest) == REG_TYPE_OUTPUT) { - if (REG_GET_INDEX(dest) == FRAG_RESULT_COLR) { - code->alu.inst[pos].inst3 |= - (hwdest << R300_ALU_DSTA_SHIFT) | - R300_ALU_DSTA_OUTPUT; - } else if (REG_GET_INDEX(dest) == - FRAG_RESULT_DEPR) { - code->alu.inst[pos].inst3 |= - R300_ALU_DSTA_DEPTH; - } else - assert(0); - } else { - code->alu.inst[pos].inst3 |= - (hwdest << R300_ALU_DSTA_SHIFT) | - R300_ALU_DSTA_REG; - - cs->hwtemps[hwdest].scalar_valid = pos + 1; - } + error("Node %i has no TEX instructions", code->cur_node); + return GL_FALSE; } + } else { + if (code->cur_node == 0) + code->first_node_has_tex = 1; } - return; + return GL_TRUE; } -static void emit_instruction(struct r300_pfs_compile_state *cs, struct prog_instruction *fpi) -{ - COMPILE_STATE; - GLuint src[3], dest; - int flags, mask = 0; - if (fpi->SaturateMode == SATURATE_ZERO_ONE) - flags = PFS_FLAG_SAT; - else - flags = 0; +/** + * Begin a block of texture instructions. + * Create the necessary indirection. + */ +static GLboolean begin_tex(void* data) +{ + PROG_CODE; - if (fpi->Opcode != OPCODE_KIL) { - dest = t_dst(cs, fpi->DstReg); - mask = fpi->DstReg.WriteMask; + if (code->cur_node == 0) { + if (code->node[0].alu_end < 0 && + code->node[0].tex_end < 0) + return GL_TRUE; } - switch (fpi->Opcode) { - case OPCODE_ADD: - src[0] = t_src(cs, fpi->SrcReg[0]); - src[1] = t_src(cs, fpi->SrcReg[1]); - emit_arith(cs, PFS_OP_MAD, dest, mask, - src[0], pfs_one, src[1], flags); - break; - case OPCODE_CMP: - src[0] = t_src(cs, fpi->SrcReg[0]); - src[1] = t_src(cs, fpi->SrcReg[1]); - src[2] = t_src(cs, fpi->SrcReg[2]); - /* ARB_f_p - if src0.c < 0.0 ? src1.c : src2.c - * r300 - if src2.c < 0.0 ? src1.c : src0.c - */ - emit_arith(cs, PFS_OP_CMP, dest, mask, - src[2], src[1], src[0], flags); - break; - case OPCODE_DP3: - src[0] = t_src(cs, fpi->SrcReg[0]); - src[1] = t_src(cs, fpi->SrcReg[1]); - emit_arith(cs, PFS_OP_DP3, dest, mask, - src[0], src[1], undef, flags); - break; - case OPCODE_DP4: - src[0] = t_src(cs, fpi->SrcReg[0]); - src[1] = t_src(cs, fpi->SrcReg[1]); - emit_arith(cs, PFS_OP_DP4, dest, mask, - src[0], src[1], undef, flags); - break; - case OPCODE_EX2: - src[0] = t_scalar_src(cs, fpi->SrcReg[0]); - emit_arith(cs, PFS_OP_EX2, dest, mask, - src[0], undef, undef, flags); - break; - case OPCODE_FRC: - src[0] = t_src(cs, fpi->SrcReg[0]); - emit_arith(cs, PFS_OP_FRC, dest, mask, - src[0], undef, undef, flags); - break; - case OPCODE_KIL: - emit_tex(cs, fpi, R300_TEX_OP_KIL); - break; - case OPCODE_LG2: - src[0] = t_scalar_src(cs, fpi->SrcReg[0]); - emit_arith(cs, PFS_OP_LG2, dest, mask, - src[0], undef, undef, flags); - break; - case OPCODE_MAD: - src[0] = t_src(cs, fpi->SrcReg[0]); - src[1] = t_src(cs, fpi->SrcReg[1]); - src[2] = t_src(cs, fpi->SrcReg[2]); - emit_arith(cs, PFS_OP_MAD, dest, mask, - src[0], src[1], src[2], flags); - break; - case OPCODE_MAX: - src[0] = t_src(cs, fpi->SrcReg[0]); - src[1] = t_src(cs, fpi->SrcReg[1]); - emit_arith(cs, PFS_OP_MAX, dest, mask, - src[0], src[1], undef, flags); - break; - case OPCODE_MIN: - src[0] = t_src(cs, fpi->SrcReg[0]); - src[1] = t_src(cs, fpi->SrcReg[1]); - emit_arith(cs, PFS_OP_MIN, dest, mask, - src[0], src[1], undef, flags); - break; - case OPCODE_MOV: - src[0] = t_src(cs, fpi->SrcReg[0]); - emit_arith(cs, PFS_OP_MAD, dest, mask, - src[0], pfs_one, pfs_zero, flags); - break; - case OPCODE_MUL: - src[0] = t_src(cs, fpi->SrcReg[0]); - src[1] = t_src(cs, fpi->SrcReg[1]); - emit_arith(cs, PFS_OP_MAD, dest, mask, - src[0], src[1], pfs_zero, flags); - break; - case OPCODE_RCP: - src[0] = t_scalar_src(cs, fpi->SrcReg[0]); - emit_arith(cs, PFS_OP_RCP, dest, mask, - src[0], undef, undef, flags); - break; - case OPCODE_RSQ: - src[0] = t_scalar_src(cs, fpi->SrcReg[0]); - emit_arith(cs, PFS_OP_RSQ, dest, mask, - absolute(src[0]), pfs_zero, pfs_zero, flags); - break; - case OPCODE_TEX: - emit_tex(cs, fpi, R300_TEX_OP_LD); - break; - case OPCODE_TXB: - emit_tex(cs, fpi, R300_TEX_OP_TXB); - break; - case OPCODE_TXP: - emit_tex(cs, fpi, R300_TEX_OP_TXP); - break; - default: - ERROR("unknown fpi->Opcode %d\n", fpi->Opcode); - break; + if (code->cur_node == 3) { + error("Too many texture indirections"); + return GL_FALSE; } -} - -static GLboolean parse_program(struct r300_pfs_compile_state *cs) -{ - COMPILE_STATE; - struct prog_instruction* fpi; - for(fpi = cs->compiler->program->Instructions; fpi->Opcode != OPCODE_END; ++fpi) { - emit_instruction(cs, fpi); - - if (fp->error) - return GL_FALSE; - } + if (!finish_node(c)) + return GL_FALSE; + struct r300_fragment_program_node *node = &code->node[++code->cur_node]; + node->alu_offset = code->alu.length; + node->alu_end = -1; + node->tex_offset = code->tex.length; + node->tex_end = -1; return GL_TRUE; } -/* - Init structures - * - Determine what hwregs each input corresponds to - */ -static void init_program(struct r300_pfs_compile_state *cs) +static GLboolean emit_tex(void* data, struct prog_instruction* inst) { - COMPILE_STATE; - struct gl_fragment_program *mp = &fp->mesa_program; - GLuint InputsRead = mp->Base.InputsRead; - GLuint temps_used = 0; /* for fp->temps[] */ - int i, j; - - /* New compile, reset tracking data */ - fp->optimization = - driQueryOptioni(&cs->compiler->r300->radeon.optionCache, "fp_optimization"); - fp->translated = GL_FALSE; - fp->error = GL_FALSE; - fp->WritesDepth = GL_FALSE; - code->tex.length = 0; - code->cur_node = 0; - code->first_node_has_tex = 0; - code->const_nr = 0; - code->max_temp_idx = 0; - code->node[0].alu_end = -1; - code->node[0].tex_end = -1; - - for (i = 0; i < PFS_MAX_ALU_INST; i++) { - for (j = 0; j < 3; j++) { - cs->slot[i].vsrc[j] = SRC_CONST; - cs->slot[i].ssrc[j] = SRC_CONST; - } - } - - /* Work out what temps the Mesa inputs correspond to, this must match - * what setup_rs_unit does, which shouldn't be a problem as rs_unit - * configures itself based on the fragprog's InputsRead - * - * NOTE: this depends on get_hw_temp() allocating registers in order, - * starting from register 0. - */ + PROG_CODE; - /* Texcoords come first */ - for (i = 0; i < cs->compiler->r300->radeon.glCtx->Const.MaxTextureUnits; i++) { - if (InputsRead & (FRAG_BIT_TEX0 << i)) { - cs->inputs[FRAG_ATTRIB_TEX0 + i].refcount = 0; - cs->inputs[FRAG_ATTRIB_TEX0 + i].reg = - get_hw_temp(cs, 0); - } - } - InputsRead &= ~FRAG_BITS_TEX_ANY; - - /* fragment position treated as a texcoord */ - if (InputsRead & FRAG_BIT_WPOS) { - cs->inputs[FRAG_ATTRIB_WPOS].refcount = 0; - cs->inputs[FRAG_ATTRIB_WPOS].reg = get_hw_temp(cs, 0); + if (code->tex.length >= PFS_MAX_TEX_INST) { + error("Too many TEX instructions"); + return GL_FALSE; } - InputsRead &= ~FRAG_BIT_WPOS; - /* Then primary colour */ - if (InputsRead & FRAG_BIT_COL0) { - cs->inputs[FRAG_ATTRIB_COL0].refcount = 0; - cs->inputs[FRAG_ATTRIB_COL0].reg = get_hw_temp(cs, 0); - } - InputsRead &= ~FRAG_BIT_COL0; + GLuint unit = inst->TexSrcUnit; + GLuint dest = inst->DstReg.Index; + GLuint opcode; - /* Secondary color */ - if (InputsRead & FRAG_BIT_COL1) { - cs->inputs[FRAG_ATTRIB_COL1].refcount = 0; - cs->inputs[FRAG_ATTRIB_COL1].reg = get_hw_temp(cs, 0); + switch(inst->Opcode) { + case OPCODE_KIL: opcode = R300_TEX_OP_KIL; break; + case OPCODE_TEX: opcode = R300_TEX_OP_LD; break; + case OPCODE_TXB: opcode = R300_TEX_OP_TXB; break; + case OPCODE_TXP: opcode = R300_TEX_OP_TXP; break; + default: + error("Unknown texture opcode %i", inst->Opcode); + return GL_FALSE; } - InputsRead &= ~FRAG_BIT_COL1; - /* Anything else */ - if (InputsRead) { - WARN_ONCE("Don't know how to handle inputs 0x%x\n", InputsRead); - /* force read from hwreg 0 for now */ - for (i = 0; i < 32; i++) - if (InputsRead & (1 << i)) - cs->inputs[i].reg = 0; + if (inst->Opcode == OPCODE_KIL) { + unit = 0; + dest = 0; + } else { + use_temporary(code, dest); } - /* Pre-parse the program, grabbing refcounts on input/temp regs. - * That way, we can free up the reg when it's no longer needed - */ - for (i = 0; i < cs->compiler->program->NumInstructions; ++i) { - struct prog_instruction *fpi = cs->compiler->program->Instructions + i; - int idx; - - for (j = 0; j < 3; j++) { - idx = fpi->SrcReg[j].Index; - switch (fpi->SrcReg[j].File) { - case PROGRAM_TEMPORARY: - if (!(temps_used & (1 << idx))) { - cs->temps[idx].reg = -1; - cs->temps[idx].refcount = 1; - temps_used |= (1 << idx); - } else - cs->temps[idx].refcount++; - break; - case PROGRAM_INPUT: - cs->inputs[idx].refcount++; - break; - default: - break; - } - } + use_temporary(code, inst->SrcReg[0].Index); - idx = fpi->DstReg.Index; - if (fpi->DstReg.File == PROGRAM_TEMPORARY) { - if (!(temps_used & (1 << idx))) { - cs->temps[idx].reg = -1; - cs->temps[idx].refcount = 1; - temps_used |= (1 << idx); - } else - cs->temps[idx].refcount++; - } - } - cs->temp_in_use = temps_used; + code->node[code->cur_node].tex_end++; + code->tex.inst[code->tex.length++] = + (inst->SrcReg[0].Index << R300_SRC_ADDR_SHIFT) | + (dest << R300_DST_ADDR_SHIFT) | + (unit << R300_TEX_ID_SHIFT) | + (opcode << R300_TEX_INST_SHIFT); + return GL_TRUE; } +static const struct radeon_pair_handler pair_handler = { + .EmitConst = &emit_const, + .EmitPaired = &emit_alu, + .EmitTex = &emit_tex, + .BeginTexBlock = &begin_tex, + .MaxHwTemps = PFS_NUM_TEMP_REGS +}; + /** * Final compilation step: Turn the intermediate radeon_program into * machine-readable instructions. */ GLboolean r300FragmentProgramEmit(struct r300_fragment_program_compiler *compiler) { - struct r300_pfs_compile_state cs; struct r300_fragment_program_code *code = compiler->code; - _mesa_memset(&cs, 0, sizeof(cs)); - cs.compiler = compiler; - init_program(&cs); + _mesa_bzero(code, sizeof(struct r300_fragment_program_code)); + code->node[0].alu_end = -1; + code->node[0].tex_end = -1; - if (!parse_program(&cs)) + if (!radeonPairProgram(compiler->r300->radeon.glCtx, compiler->program, &pair_handler, compiler)) return GL_FALSE; - /* Finish off */ - code->node[code->cur_node].alu_end = - cs.nrslots - code->node[code->cur_node].alu_offset - 1; - if (code->node[code->cur_node].tex_end < 0) - code->node[code->cur_node].tex_end = 0; - code->alu_offset = 0; - code->alu_end = cs.nrslots - 1; - code->tex_offset = 0; - code->tex_end = code->tex.length ? code->tex.length - 1 : 0; - assert(code->node[code->cur_node].alu_end >= 0); - assert(code->alu_end >= 0); + if (!finish_node(compiler)) + return GL_FALSE; return GL_TRUE; } diff --git a/src/mesa/drivers/dri/r300/r300_fragprog_swizzle.c b/src/mesa/drivers/dri/r300/r300_fragprog_swizzle.c new file mode 100644 index 00000000000..a86d2bd4712 --- /dev/null +++ b/src/mesa/drivers/dri/r300/r300_fragprog_swizzle.c @@ -0,0 +1,227 @@ +/* + * Copyright (C) 2008 Nicolai Haehnle. + * + * 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"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + +/** + * @file + * Utilities to deal with the somewhat odd restriction on R300 fragment + * program swizzles. + */ + +#include "r300_fragprog_swizzle.h" + +#include "r300_reg.h" +#include "radeon_nqssadce.h" + +#define MAKE_SWZ3(x, y, z) (MAKE_SWIZZLE4(SWIZZLE_##x, SWIZZLE_##y, SWIZZLE_##z, SWIZZLE_ZERO)) + +struct swizzle_data { + GLuint hash; /**< swizzle value this matches */ + GLuint base; /**< base value for hw swizzle */ + GLuint stride; /**< difference in base between arg0/1/2 */ +}; + +static const struct swizzle_data native_swizzles[] = { + {MAKE_SWZ3(X, Y, Z), R300_ALU_ARGC_SRC0C_XYZ, 4}, + {MAKE_SWZ3(X, X, X), R300_ALU_ARGC_SRC0C_XXX, 4}, + {MAKE_SWZ3(Y, Y, Y), R300_ALU_ARGC_SRC0C_YYY, 4}, + {MAKE_SWZ3(Z, Z, Z), R300_ALU_ARGC_SRC0C_ZZZ, 4}, + {MAKE_SWZ3(W, W, W), R300_ALU_ARGC_SRC0A, 1}, + {MAKE_SWZ3(Y, Z, X), R300_ALU_ARGC_SRC0C_YZX, 1}, + {MAKE_SWZ3(Z, X, Y), R300_ALU_ARGC_SRC0C_ZXY, 1}, + {MAKE_SWZ3(W, Z, Y), R300_ALU_ARGC_SRC0CA_WZY, 1}, + {MAKE_SWZ3(ONE, ONE, ONE), R300_ALU_ARGC_ONE, 0}, + {MAKE_SWZ3(ZERO, ZERO, ZERO), R300_ALU_ARGC_ZERO, 0} +}; + +static const int num_native_swizzles = sizeof(native_swizzles)/sizeof(native_swizzles[0]); + + +/** + * Find a native RGB swizzle that matches the given swizzle. + * Returns 0 if none found. + */ +static const struct swizzle_data* lookup_native_swizzle(GLuint swizzle) +{ + int i, comp; + + for(i = 0; i < num_native_swizzles; ++i) { + const struct swizzle_data* sd = &native_swizzles[i]; + for(comp = 0; comp < 3; ++comp) { + GLuint swz = GET_SWZ(swizzle, comp); + if (swz == SWIZZLE_NIL) + continue; + if (swz != GET_SWZ(sd->hash, comp)) + break; + } + if (comp == 3) + return sd; + } + + return 0; +} + + +/** + * Check whether the given instruction supports the swizzle and negate + * combinations in the given source register. + */ +GLboolean r300FPIsNativeSwizzle(GLuint opcode, struct prog_src_register reg) +{ + if (reg.Abs) + reg.NegateBase = 0; + + if (opcode == OPCODE_KIL || + opcode == OPCODE_TEX || + opcode == OPCODE_TXB || + opcode == OPCODE_TXP) { + int j; + + if (reg.Abs || reg.NegateBase != (15*reg.NegateAbs)) + return GL_FALSE; + + for(j = 0; j < 4; ++j) { + GLuint swz = GET_SWZ(reg.Swizzle, j); + if (swz == SWIZZLE_NIL) + continue; + if (swz != j) + return GL_FALSE; + } + + return GL_TRUE; + } + + GLuint relevant = 0; + int j; + + for(j = 0; j < 3; ++j) + if (GET_SWZ(reg.Swizzle, j) != SWIZZLE_NIL) + relevant |= 1 << j; + + if ((reg.NegateBase & relevant) && (reg.NegateBase & relevant) != relevant) + return GL_FALSE; + + if (!lookup_native_swizzle(reg.Swizzle)) + return GL_FALSE; + + return GL_TRUE; +} + + +/** + * Generate MOV dst, src using only native swizzles. + */ +void r300FPBuildSwizzle(struct nqssadce_state *s, struct prog_dst_register dst, struct prog_src_register src) +{ + if (src.Abs) + src.NegateBase = 0; + + while(dst.WriteMask) { + const struct swizzle_data *best_swizzle = 0; + GLuint best_matchcount = 0; + GLuint best_matchmask = 0; + GLboolean rgbnegate; + int i, comp; + + for(i = 0; i < num_native_swizzles; ++i) { + const struct swizzle_data *sd = &native_swizzles[i]; + GLuint matchcount = 0; + GLuint matchmask = 0; + for(comp = 0; comp < 3; ++comp) { + if (!GET_BIT(dst.WriteMask, comp)) + continue; + GLuint swz = GET_SWZ(src.Swizzle, comp); + if (swz == SWIZZLE_NIL) + continue; + if (swz == GET_SWZ(sd->hash, comp)) { + matchcount++; + matchmask |= 1 << comp; + } + } + if (matchcount > best_matchcount) { + best_swizzle = sd; + best_matchcount = matchcount; + best_matchmask = matchmask; + if (matchmask == (dst.WriteMask & WRITEMASK_XYZ)) + break; + } + } + + if ((src.NegateBase & best_matchmask) != 0) { + best_matchmask &= src.NegateBase; + rgbnegate = !src.NegateAbs; + } else { + rgbnegate = src.NegateAbs; + } + + struct prog_instruction *inst; + + _mesa_insert_instructions(s->Program, s->IP, 1); + inst = s->Program->Instructions + s->IP++; + inst->Opcode = OPCODE_MOV; + inst->DstReg = dst; + inst->DstReg.WriteMask &= (best_matchmask | WRITEMASK_W); + inst->SrcReg[0] = src; + /* Note: We rely on NqSSA/DCE to set unused swizzle components to NIL */ + + dst.WriteMask &= ~inst->DstReg.WriteMask; + } +} + + +/** + * Translate an RGB (XYZ) swizzle into the hardware code for the given + * instruction source. + */ +GLuint r300FPTranslateRGBSwizzle(GLuint src, GLuint swizzle) +{ + const struct swizzle_data* sd = lookup_native_swizzle(swizzle); + + if (!sd) { + _mesa_printf("Not a native swizzle: %08x\n", swizzle); + return 0; + } + + return sd->base + src*sd->stride; +} + + +/** + * Translate an Alpha (W) swizzle into the hardware code for the given + * instruction source. + */ +GLuint r300FPTranslateAlphaSwizzle(GLuint src, GLuint swizzle) +{ + if (swizzle < 3) + return swizzle + 3*src; + + switch(swizzle) { + case SWIZZLE_W: return R300_ALU_ARGA_SRC0A + src; + case SWIZZLE_ONE: return R300_ALU_ARGA_ONE; + case SWIZZLE_ZERO: return R300_ALU_ARGA_ZERO; + default: return R300_ALU_ARGA_ONE; + } +} diff --git a/src/mesa/drivers/dri/r300/r300_fragprog_swizzle.h b/src/mesa/drivers/dri/r300/r300_fragprog_swizzle.h new file mode 100644 index 00000000000..3da99a9dbe2 --- /dev/null +++ b/src/mesa/drivers/dri/r300/r300_fragprog_swizzle.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2008 Nicolai Haehnle. + * + * 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"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef __R300_FRAGPROG_SWIZZLE_H_ +#define __R300_FRAGPROG_SWIZZLE_H_ + +#include "glheader.h" +#include "shader/prog_instruction.h" + +struct nqssadce_state; + +GLboolean r300FPIsNativeSwizzle(GLuint opcode, struct prog_src_register reg); +void r300FPBuildSwizzle(struct nqssadce_state*, struct prog_dst_register dst, struct prog_src_register src); + +GLuint r300FPTranslateRGBSwizzle(GLuint src, GLuint swizzle); +GLuint r300FPTranslateAlphaSwizzle(GLuint src, GLuint swizzle); + +#endif /* __R300_FRAGPROG_SWIZZLE_H_ */ diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c index fbe5f664181..6931de4421d 100644 --- a/src/mesa/drivers/dri/r300/r300_state.c +++ b/src/mesa/drivers/dri/r300/r300_state.c @@ -2497,26 +2497,17 @@ static void r300SetupPixelShader(r300ContextPtr rmesa) r300SetupTextures(ctx); R300_STATECHANGE(rmesa, fpi[0]); - rmesa->hw.fpi[0].cmd[R300_FPI_CMD_0] = cmdpacket0(R300_US_ALU_RGB_INST_0, code->alu_end + 1); - for (i = 0; i <= code->alu_end; i++) { - rmesa->hw.fpi[0].cmd[R300_FPI_INSTR_0 + i] = code->alu.inst[i].inst0; - } - R300_STATECHANGE(rmesa, fpi[1]); - rmesa->hw.fpi[1].cmd[R300_FPI_CMD_0] = cmdpacket0(R300_US_ALU_RGB_ADDR_0, code->alu_end + 1); - for (i = 0; i <= code->alu_end; i++) { - rmesa->hw.fpi[1].cmd[R300_FPI_INSTR_0 + i] = code->alu.inst[i].inst1; - } - R300_STATECHANGE(rmesa, fpi[2]); - rmesa->hw.fpi[2].cmd[R300_FPI_CMD_0] = cmdpacket0(R300_US_ALU_ALPHA_INST_0, code->alu_end + 1); - for (i = 0; i <= code->alu_end; i++) { - rmesa->hw.fpi[2].cmd[R300_FPI_INSTR_0 + i] = code->alu.inst[i].inst2; - } - R300_STATECHANGE(rmesa, fpi[3]); - rmesa->hw.fpi[3].cmd[R300_FPI_CMD_0] = cmdpacket0(R300_US_ALU_ALPHA_ADDR_0, code->alu_end + 1); - for (i = 0; i <= code->alu_end; i++) { + rmesa->hw.fpi[0].cmd[R300_FPI_CMD_0] = cmdpacket0(R300_US_ALU_RGB_INST_0, code->alu.length); + rmesa->hw.fpi[1].cmd[R300_FPI_CMD_0] = cmdpacket0(R300_US_ALU_RGB_ADDR_0, code->alu.length); + rmesa->hw.fpi[2].cmd[R300_FPI_CMD_0] = cmdpacket0(R300_US_ALU_ALPHA_INST_0, code->alu.length); + rmesa->hw.fpi[3].cmd[R300_FPI_CMD_0] = cmdpacket0(R300_US_ALU_ALPHA_ADDR_0, code->alu.length); + for (i = 0; i < code->alu.length; i++) { + rmesa->hw.fpi[0].cmd[R300_FPI_INSTR_0 + i] = code->alu.inst[i].inst0; + rmesa->hw.fpi[1].cmd[R300_FPI_INSTR_0 + i] = code->alu.inst[i].inst1; + rmesa->hw.fpi[2].cmd[R300_FPI_INSTR_0 + i] = code->alu.inst[i].inst2; rmesa->hw.fpi[3].cmd[R300_FPI_INSTR_0 + i] = code->alu.inst[i].inst3; } @@ -2524,10 +2515,10 @@ static void r300SetupPixelShader(r300ContextPtr rmesa) rmesa->hw.fp.cmd[R300_FP_CNTL0] = code->cur_node | (code->first_node_has_tex << 3); rmesa->hw.fp.cmd[R300_FP_CNTL1] = code->max_temp_idx; rmesa->hw.fp.cmd[R300_FP_CNTL2] = - (code->alu_offset << R300_PFS_CNTL_ALU_OFFSET_SHIFT) | - (code->alu_end << R300_PFS_CNTL_ALU_END_SHIFT) | - (code->tex_offset << R300_PFS_CNTL_TEX_OFFSET_SHIFT) | - (code->tex_end << R300_PFS_CNTL_TEX_END_SHIFT); + (0 << R300_PFS_CNTL_ALU_OFFSET_SHIFT) | + ((code->alu.length-1) << R300_PFS_CNTL_ALU_END_SHIFT) | + (0 << R300_PFS_CNTL_TEX_OFFSET_SHIFT) | + ((code->tex.length ? code->tex.length-1 : 0) << R300_PFS_CNTL_TEX_END_SHIFT); /* I just want to say, the way these nodes are stored.. weird.. */ for (i = 0, k = (4 - (code->cur_node + 1)); i < 4; i++, k++) { if (i < (code->cur_node + 1)) { diff --git a/src/mesa/drivers/dri/r300/r500_fragprog.h b/src/mesa/drivers/dri/r300/r500_fragprog.h index ed8f7f41cac..8641ceeb8f4 100644 --- a/src/mesa/drivers/dri/r300/r500_fragprog.h +++ b/src/mesa/drivers/dri/r300/r500_fragprog.h @@ -45,36 +45,6 @@ #include "r300_state.h" #include "radeon_program.h" -/* supported hw opcodes */ -#define PFS_OP_MAD 0 -#define PFS_OP_DP3 1 -#define PFS_OP_DP4 2 -#define PFS_OP_MIN 3 -#define PFS_OP_MAX 4 -#define PFS_OP_CMP 5 -#define PFS_OP_FRC 6 -#define PFS_OP_EX2 7 -#define PFS_OP_LG2 8 -#define PFS_OP_RCP 9 -#define PFS_OP_RSQ 10 -#define PFS_OP_REPL_ALPHA 11 -#define PFS_OP_CMPH 12 -#define MAX_PFS_OP 12 - -#define PFS_FLAG_SAT (1 << 0) -#define PFS_FLAG_ABS (1 << 1) - -#define ARG_NEG (1 << 5) -#define ARG_ABS (1 << 6) -#define ARG_MASK (127 << 0) -#define ARG_STRIDE 7 -#define SRC_CONST (1 << 5) -#define SRC_MASK (63 << 0) -#define SRC_STRIDE 6 - -#define DRI_CONF_FP_OPTIMIZATION_SPEED 0 -#define DRI_CONF_FP_OPTIMIZATION_QUALITY 1 - struct r500_fragment_program; extern void r500TranslateFragmentShader(r300ContextPtr r300, diff --git a/src/mesa/drivers/dri/r300/radeon_program_pair.c b/src/mesa/drivers/dri/r300/radeon_program_pair.c index 85ddf1dc50e..8762422801e 100644 --- a/src/mesa/drivers/dri/r300/radeon_program_pair.c +++ b/src/mesa/drivers/dri/r300/radeon_program_pair.c @@ -578,6 +578,9 @@ static void emit_all_tex(struct pair_state *s) if (s->Debug) _mesa_printf(" BEGIN_TEX\n"); + if (s->Handler->BeginTexBlock) + s->Error = s->Error || !s->Handler->BeginTexBlock(s->UserData); + for(pairinst = readytex; pairinst; pairinst = pairinst->NextReady) { int ip = pairinst - s->Instructions; struct prog_instruction *inst = s->Program->Instructions + ip; @@ -594,9 +597,6 @@ static void emit_all_tex(struct pair_state *s) s->Error = s->Error || !s->Handler->EmitTex(s->UserData, inst); } - if (s->Handler->EndTexBlock) - s->Handler->EndTexBlock(s->UserData); - if (s->Debug) _mesa_printf(" END_TEX\n"); } diff --git a/src/mesa/drivers/dri/r300/radeon_program_pair.h b/src/mesa/drivers/dri/r300/radeon_program_pair.h index b2bdd08d27c..4624a246298 100644 --- a/src/mesa/drivers/dri/r300/radeon_program_pair.h +++ b/src/mesa/drivers/dri/r300/radeon_program_pair.h @@ -110,10 +110,10 @@ struct radeon_pair_handler { GLboolean (*EmitTex)(void*, struct prog_instruction*); /** - * Called after a block of contiguous, independent texture - * instructions has been emitted. + * Called before a block of contiguous, independent texture + * instructions is emitted. */ - void (*EndTexBlock)(void*); + GLboolean (*BeginTexBlock)(void*); GLuint MaxHwTemps; }; |