/*
* \author
- * Michal Krol
+ * Michal Krol,
+ * Keith Whitwell
*/
#include "pipe/p_compiler.h"
#include "pipe/p_shader_tokens.h"
-#include "tgsi/tgsi_parse.h"
-#include "tgsi/tgsi_build.h"
-#include "tgsi/tgsi_util.h"
-#include "tgsi/tgsi_dump.h"
-#include "tgsi/tgsi_sanity.h"
+#include "pipe/p_state.h"
+#include "tgsi/tgsi_ureg.h"
#include "st_mesa_to_tgsi.h"
#include "shader/prog_instruction.h"
#include "shader/prog_parameter.h"
#include "shader/prog_print.h"
#include "util/u_debug.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+
+struct label {
+ unsigned branch_target;
+ unsigned token;
+};
+
+struct st_translate {
+ struct ureg_program *ureg;
+
+ struct ureg_dst temps[MAX_PROGRAM_TEMPS];
+ struct ureg_src *constants;
+ struct ureg_dst outputs[PIPE_MAX_SHADER_OUTPUTS];
+ struct ureg_src inputs[PIPE_MAX_SHADER_INPUTS];
+ struct ureg_dst address[1];
+ struct ureg_src samplers[PIPE_MAX_SAMPLERS];
+
+ const GLuint *inputMapping;
+ const GLuint *outputMapping;
+
+ /* For every instruction that contains a label (eg CALL), keep
+ * details so that we can go back afterwards and emit the correct
+ * tgsi instruction number for each label.
+ */
+ struct label *labels;
+ unsigned labels_size;
+ unsigned labels_count;
+
+ /* Keep a record of the tgsi instruction number that each mesa
+ * instruction starts at, will be used to fix up labels after
+ * translation.
+ */
+ unsigned *insn;
+ unsigned insn_size;
+ unsigned insn_count;
+
+ unsigned procType; /**< TGSI_PROCESSOR_VERTEX/FRAGMENT */
+
+ boolean error;
+};
+
+
+static unsigned *get_label( struct st_translate *t,
+ unsigned branch_target )
+{
+ unsigned i;
+
+ if (t->labels_count + 1 >= t->labels_size) {
+ unsigned old_size = t->labels_size;
+ t->labels_size = 1 << (util_logbase2(t->labels_size) + 1);
+ t->labels = REALLOC( t->labels,
+ old_size * sizeof t->labels[0],
+ t->labels_size * sizeof t->labels[0] );
+ if (t->labels == NULL) {
+ static unsigned dummy;
+ t->error = TRUE;
+ return &dummy;
+ }
+ }
+
+ i = t->labels_count++;
+ t->labels[i].branch_target = branch_target;
+ return &t->labels[i].token;
+}
+
+
+static void set_insn_start( struct st_translate *t,
+ unsigned start )
+{
+ if (t->insn_count + 1 >= t->insn_size) {
+ unsigned old_size = t->insn_size;
+ t->insn_size = 1 << (util_logbase2(t->insn_size) + 1);
+ t->insn = REALLOC( t->insn,
+ old_size * sizeof t->insn[0],
+ t->insn_size * sizeof t->insn[0] );
+ if (t->insn == NULL) {
+ t->error = TRUE;
+ return;
+ }
+ }
+
+ t->insn[t->insn_count++] = start;
+}
+
/*
* Map mesa register file to TGSI register file.
*/
-static GLuint
-map_register_file(
- gl_register_file file,
- GLuint index,
- const GLuint immediateMapping[],
- GLboolean indirectAccess )
+static struct ureg_dst
+dst_register( struct st_translate *t,
+ gl_register_file file,
+ GLuint index )
{
switch( file ) {
case PROGRAM_UNDEFINED:
- return TGSI_FILE_NULL;
+ return ureg_dst_undef();
+
case PROGRAM_TEMPORARY:
- return TGSI_FILE_TEMPORARY;
- /*case PROGRAM_LOCAL_PARAM:*/
- /*case PROGRAM_ENV_PARAM:*/
-
- /* Because of the longstanding problem with mesa arb shaders
- * where constants, immediates and state variables are all
- * bundled together as PROGRAM_STATE_VAR, we can't tell from the
- * mesa register file whether this is a CONSTANT or an
- * IMMEDIATE, hence we need all the other information.
- */
- case PROGRAM_STATE_VAR:
- case PROGRAM_NAMED_PARAM:
- case PROGRAM_UNIFORM:
- if (!indirectAccess && immediateMapping && immediateMapping[index] != ~0)
- return TGSI_FILE_IMMEDIATE;
- else
- return TGSI_FILE_CONSTANT;
- case PROGRAM_CONSTANT:
- if (indirectAccess)
- return TGSI_FILE_CONSTANT;
- assert(immediateMapping[index] != ~0);
- return TGSI_FILE_IMMEDIATE;
- case PROGRAM_INPUT:
- return TGSI_FILE_INPUT;
+ if (ureg_dst_is_undef(t->temps[index]))
+ t->temps[index] = ureg_DECL_temporary( t->ureg );
+
+ return t->temps[index];
+
case PROGRAM_OUTPUT:
- return TGSI_FILE_OUTPUT;
+ return t->outputs[t->outputMapping[index]];
+
case PROGRAM_ADDRESS:
- return TGSI_FILE_ADDRESS;
+ return t->address[index];
+
default:
- assert( 0 );
- return TGSI_FILE_NULL;
+ debug_assert( 0 );
+ return ureg_dst_undef();
}
}
-/**
- * Map mesa register file index to TGSI index.
- * Take special care when processing input and output indices.
- * \param file one of TGSI_FILE_x
- * \param index the mesa register file index
- * \param inputMapping maps Mesa input indexes to TGSI input indexes
- * \param outputMapping maps Mesa output indexes to TGSI output indexes
- */
-static GLuint
-map_register_file_index(
- GLuint procType,
- GLuint file,
- GLuint index,
- GLuint *swizzle,
- const GLuint inputMapping[],
- const GLuint outputMapping[],
- const GLuint immediateMapping[],
- GLboolean indirectAccess )
+
+static struct ureg_src
+src_register( struct st_translate *t,
+ gl_register_file file,
+ GLuint index )
{
switch( file ) {
- case TGSI_FILE_INPUT:
- if (procType == TGSI_PROCESSOR_FRAGMENT &&
- index == FRAG_ATTRIB_FOGC) {
- if (GET_SWZ(*swizzle, 0) == SWIZZLE_X) {
- /* do nothing we're, ok */
- } else if (GET_SWZ(*swizzle, 0) == SWIZZLE_Y) {
- /* replace the swizzle with xxxx */
- *swizzle = MAKE_SWIZZLE4(SWIZZLE_X,
- SWIZZLE_X,
- SWIZZLE_X,
- SWIZZLE_X);
- /* register after fog */
- return inputMapping[index] + 1;
- } else {
- *swizzle = MAKE_SWIZZLE4(SWIZZLE_Z,
- SWIZZLE_W,
- SWIZZLE_Z,
- SWIZZLE_W);
- /* register after frontface */
- return inputMapping[index] + 2;
- }
- }
- /* inputs are mapped according to the user-defined map */
- return inputMapping[index];
+ case PROGRAM_UNDEFINED:
+ return ureg_src_undef();
- case TGSI_FILE_OUTPUT:
- return outputMapping[index];
+ case PROGRAM_TEMPORARY:
+ if (ureg_dst_is_undef(t->temps[index]))
+ t->temps[index] = ureg_DECL_temporary( t->ureg );
+ return ureg_src(t->temps[index]);
- case TGSI_FILE_IMMEDIATE:
- if (indirectAccess)
- return index;
- assert(immediateMapping[index] != ~0);
- return immediateMapping[index];
+ case PROGRAM_STATE_VAR:
+ case PROGRAM_NAMED_PARAM:
+ case PROGRAM_ENV_PARAM:
+ case PROGRAM_UNIFORM:
+ case PROGRAM_CONSTANT: /* ie, immediate */
+ return t->constants[index];
+
+ case PROGRAM_INPUT:
+ return t->inputs[t->inputMapping[index]];
+
+ case PROGRAM_OUTPUT:
+ return ureg_src(t->outputs[t->outputMapping[index]]); /* not needed? */
+
+ case PROGRAM_ADDRESS:
+ return ureg_src(t->address[index]);
default:
- return index;
+ debug_assert( 0 );
+ return ureg_src_undef();
}
}
-/*
+
+/**
* Map mesa texture target to TGSI texture target.
*/
-static GLuint
-map_texture_target(
- GLuint textarget,
- GLboolean shadow )
+static unsigned
+translate_texture_target( GLuint textarget,
+ GLboolean shadow )
{
- switch( textarget ) {
- case TEXTURE_1D_INDEX:
- if (shadow)
- return TGSI_TEXTURE_SHADOW1D;
- else
- return TGSI_TEXTURE_1D;
- case TEXTURE_2D_INDEX:
- if (shadow)
- return TGSI_TEXTURE_SHADOW2D;
- else
- return TGSI_TEXTURE_2D;
- case TEXTURE_3D_INDEX:
- return TGSI_TEXTURE_3D;
- case TEXTURE_CUBE_INDEX:
- return TGSI_TEXTURE_CUBE;
- case TEXTURE_RECT_INDEX:
- if (shadow)
- return TGSI_TEXTURE_SHADOWRECT;
- else
- return TGSI_TEXTURE_RECT;
- default:
- assert( 0 );
+ if (shadow) {
+ switch( textarget ) {
+ case TEXTURE_1D_INDEX: return TGSI_TEXTURE_SHADOW1D;
+ case TEXTURE_2D_INDEX: return TGSI_TEXTURE_SHADOW2D;
+ case TEXTURE_RECT_INDEX: return TGSI_TEXTURE_SHADOWRECT;
+ default: break;
+ }
}
- return TGSI_TEXTURE_1D;
-}
-
-static GLuint
-convert_sat(
- GLuint sat )
-{
- switch( sat ) {
- case SATURATE_OFF:
- return TGSI_SAT_NONE;
- case SATURATE_ZERO_ONE:
- return TGSI_SAT_ZERO_ONE;
- case SATURATE_PLUS_MINUS_ONE:
- return TGSI_SAT_MINUS_PLUS_ONE;
+ switch( textarget ) {
+ case TEXTURE_1D_INDEX: return TGSI_TEXTURE_1D;
+ case TEXTURE_2D_INDEX: return TGSI_TEXTURE_2D;
+ case TEXTURE_3D_INDEX: return TGSI_TEXTURE_3D;
+ case TEXTURE_CUBE_INDEX: return TGSI_TEXTURE_CUBE;
+ case TEXTURE_RECT_INDEX: return TGSI_TEXTURE_RECT;
default:
- assert( 0 );
- return TGSI_SAT_NONE;
+ debug_assert( 0 );
+ return TGSI_TEXTURE_1D;
}
}
-static GLuint
-convert_writemask(
- GLuint writemask )
+
+static struct ureg_dst
+translate_dst( struct st_translate *t,
+ const struct prog_dst_register *DstReg,
+ boolean saturate )
{
- assert( WRITEMASK_X == TGSI_WRITEMASK_X );
- assert( WRITEMASK_Y == TGSI_WRITEMASK_Y );
- assert( WRITEMASK_Z == TGSI_WRITEMASK_Z );
- assert( WRITEMASK_W == TGSI_WRITEMASK_W );
- assert( (writemask & ~TGSI_WRITEMASK_XYZW) == 0 );
+ struct ureg_dst dst = dst_register( t,
+ DstReg->File,
+ DstReg->Index );
+
+ dst = ureg_writemask( dst,
+ DstReg->WriteMask );
+
+ if (saturate)
+ dst = ureg_saturate( dst );
- return writemask;
+ if (DstReg->RelAddr)
+ dst = ureg_dst_indirect( dst, ureg_src(t->address[0]) );
+
+ return dst;
}
-static struct tgsi_full_immediate
-make_immediate(const float *value, uint size)
+
+static struct ureg_src
+translate_src( struct st_translate *t,
+ const struct prog_src_register *SrcReg )
{
- struct tgsi_full_immediate imm;
- unsigned i;
+ struct ureg_src src = src_register( t, SrcReg->File, SrcReg->Index );
+
+ src = ureg_swizzle( src,
+ GET_SWZ( SrcReg->Swizzle, 0 ) & 0x3,
+ GET_SWZ( SrcReg->Swizzle, 1 ) & 0x3,
+ GET_SWZ( SrcReg->Swizzle, 2 ) & 0x3,
+ GET_SWZ( SrcReg->Swizzle, 3 ) & 0x3);
- imm = tgsi_default_full_immediate();
- imm.Immediate.NrTokens += size;
- imm.Immediate.DataType = TGSI_IMM_FLOAT32;
+ if (SrcReg->Negate == NEGATE_XYZW)
+ src = ureg_negate(src);
- for (i = 0; i < size; i++)
- imm.u[i].Float = value[i];
+ if (SrcReg->Abs)
+ src = ureg_abs(src);
- return imm;
+ if (SrcReg->RelAddr)
+ src = ureg_src_indirect( src, ureg_src(t->address[0]));
+
+ return src;
}
-static void
-compile_instruction(
- const struct prog_instruction *inst,
- struct tgsi_full_instruction *fullinst,
- const GLuint inputMapping[],
- const GLuint outputMapping[],
- const GLuint immediateMapping[],
- GLboolean indirectAccess,
- GLuint preamble_size,
- GLuint procType,
- GLboolean *insideSubroutine,
- GLint wposTemp)
+
+static struct ureg_src swizzle_4v( struct ureg_src src,
+ const unsigned *swz )
{
- GLuint i;
- struct tgsi_full_dst_register *fulldst;
- struct tgsi_full_src_register *fullsrc;
-
- *fullinst = tgsi_default_full_instruction();
-
- fullinst->Instruction.Saturate = convert_sat( inst->SaturateMode );
- fullinst->Instruction.NumDstRegs = _mesa_num_inst_dst_regs( inst->Opcode );
- fullinst->Instruction.NumSrcRegs = _mesa_num_inst_src_regs( inst->Opcode );
-
- fulldst = &fullinst->FullDstRegisters[0];
- fulldst->DstRegister.File = map_register_file( inst->DstReg.File, 0, NULL, GL_FALSE );
- fulldst->DstRegister.Index = map_register_file_index(
- procType,
- fulldst->DstRegister.File,
- inst->DstReg.Index,
- NULL,
- inputMapping,
- outputMapping,
- NULL,
- GL_FALSE );
- fulldst->DstRegister.WriteMask = convert_writemask( inst->DstReg.WriteMask );
- if (inst->DstReg.RelAddr) {
- fulldst->DstRegister.Indirect = 1;
- fulldst->DstRegisterInd.File = TGSI_FILE_ADDRESS;
- fulldst->DstRegisterInd.Index = 0;
+ return ureg_swizzle( src, swz[0], swz[1], swz[2], swz[3] );
+}
+
+
+/**
+ * Translate a SWZ instruction into a MOV, MUL or MAD instruction. EG:
+ *
+ * SWZ dst, src.x-y10
+ *
+ * becomes:
+ *
+ * MAD dst {1,-1,0,0}, src.xyxx, {0,0,1,0}
+ */
+static void emit_swz( struct st_translate *t,
+ struct ureg_dst dst,
+ const struct prog_src_register *SrcReg )
+{
+ struct ureg_program *ureg = t->ureg;
+ struct ureg_src src = src_register( t, SrcReg->File, SrcReg->Index );
+
+ unsigned negate_mask = SrcReg->Negate;
+
+ unsigned one_mask = ((GET_SWZ(SrcReg->Swizzle, 0) == SWIZZLE_ONE) << 0 |
+ (GET_SWZ(SrcReg->Swizzle, 1) == SWIZZLE_ONE) << 1 |
+ (GET_SWZ(SrcReg->Swizzle, 2) == SWIZZLE_ONE) << 2 |
+ (GET_SWZ(SrcReg->Swizzle, 3) == SWIZZLE_ONE) << 3);
+
+ unsigned zero_mask = ((GET_SWZ(SrcReg->Swizzle, 0) == SWIZZLE_ZERO) << 0 |
+ (GET_SWZ(SrcReg->Swizzle, 1) == SWIZZLE_ZERO) << 1 |
+ (GET_SWZ(SrcReg->Swizzle, 2) == SWIZZLE_ZERO) << 2 |
+ (GET_SWZ(SrcReg->Swizzle, 3) == SWIZZLE_ZERO) << 3);
+
+ unsigned negative_one_mask = one_mask & negate_mask;
+ unsigned positive_one_mask = one_mask & ~negate_mask;
+
+ struct ureg_src imm;
+ unsigned i;
+ unsigned mul_swizzle[4] = {0,0,0,0};
+ unsigned add_swizzle[4] = {0,0,0,0};
+ unsigned src_swizzle[4] = {0,0,0,0};
+ boolean need_add = FALSE;
+ boolean need_mul = FALSE;
+
+ if (dst.WriteMask == 0)
+ return;
+
+ /* Is this just a MOV?
+ */
+ if (zero_mask == 0 &&
+ one_mask == 0 &&
+ (negate_mask == 0 || negate_mask == TGSI_WRITEMASK_XYZW))
+ {
+ ureg_MOV( ureg, dst, translate_src( t, SrcReg ));
+ return;
}
- for (i = 0; i < fullinst->Instruction.NumSrcRegs; i++) {
- GLuint j;
- GLuint swizzle = inst->SrcReg[i].Swizzle;
+#define IMM_ZERO 0
+#define IMM_ONE 1
+#define IMM_NEG_ONE 2
- fullsrc = &fullinst->FullSrcRegisters[i];
+ imm = ureg_imm3f( ureg, 0, 1, -1 );
- if (procType == TGSI_PROCESSOR_FRAGMENT &&
- inst->SrcReg[i].File == PROGRAM_INPUT &&
- inst->SrcReg[i].Index == FRAG_ATTRIB_WPOS) {
- /* special case of INPUT[WPOS] */
- fullsrc->SrcRegister.File = TGSI_FILE_TEMPORARY;
- fullsrc->SrcRegister.Index = wposTemp;
- }
- else {
- /* any other src register */
- fullsrc->SrcRegister.File = map_register_file(
- inst->SrcReg[i].File,
- inst->SrcReg[i].Index,
- immediateMapping,
- indirectAccess );
- fullsrc->SrcRegister.Index = map_register_file_index(
- procType,
- fullsrc->SrcRegister.File,
- inst->SrcReg[i].Index,
- &swizzle,
- inputMapping,
- outputMapping,
- immediateMapping,
- indirectAccess );
- }
+ for (i = 0; i < 4; i++) {
+ unsigned bit = 1 << i;
- /* swizzle (ext swizzle also depends on negation) */
- {
- GLuint swz[4];
- GLboolean extended = (inst->SrcReg[i].Negate != NEGATE_NONE &&
- inst->SrcReg[i].Negate != NEGATE_XYZW);
- for( j = 0; j < 4; j++ ) {
- swz[j] = GET_SWZ( swizzle, j );
- if (swz[j] > SWIZZLE_W)
- extended = GL_TRUE;
+ if (dst.WriteMask & bit) {
+ if (positive_one_mask & bit) {
+ mul_swizzle[i] = IMM_ZERO;
+ add_swizzle[i] = IMM_ONE;
+ need_add = TRUE;
}
- if (extended) {
- for (j = 0; j < 4; j++) {
- tgsi_util_set_src_register_extswizzle(&fullsrc->SrcRegisterExtSwz,
- swz[j], j);
- }
+ else if (negative_one_mask & bit) {
+ mul_swizzle[i] = IMM_ZERO;
+ add_swizzle[i] = IMM_NEG_ONE;
+ need_add = TRUE;
+ }
+ else if (zero_mask & bit) {
+ mul_swizzle[i] = IMM_ZERO;
+ add_swizzle[i] = IMM_ZERO;
+ need_add = TRUE;
}
else {
- for (j = 0; j < 4; j++) {
- tgsi_util_set_src_register_swizzle(&fullsrc->SrcRegister,
- swz[j], j);
+ add_swizzle[i] = IMM_ZERO;
+ src_swizzle[i] = GET_SWZ(SrcReg->Swizzle, i);
+ need_mul = TRUE;
+ if (negate_mask & bit) {
+ mul_swizzle[i] = IMM_NEG_ONE;
+ }
+ else {
+ mul_swizzle[i] = IMM_ONE;
}
}
}
+ }
- if( inst->SrcReg[i].Negate == NEGATE_XYZW ) {
- fullsrc->SrcRegister.Negate = 1;
- }
- else if( inst->SrcReg[i].Negate != NEGATE_NONE ) {
- if( inst->SrcReg[i].Negate & NEGATE_X ) {
- fullsrc->SrcRegisterExtSwz.NegateX = 1;
- }
- if( inst->SrcReg[i].Negate & NEGATE_Y ) {
- fullsrc->SrcRegisterExtSwz.NegateY = 1;
- }
- if( inst->SrcReg[i].Negate & NEGATE_Z ) {
- fullsrc->SrcRegisterExtSwz.NegateZ = 1;
- }
- if( inst->SrcReg[i].Negate & NEGATE_W ) {
- fullsrc->SrcRegisterExtSwz.NegateW = 1;
- }
- }
+ if (need_mul && need_add) {
+ ureg_MAD( ureg,
+ dst,
+ swizzle_4v( src, src_swizzle ),
+ swizzle_4v( imm, mul_swizzle ),
+ swizzle_4v( imm, add_swizzle ) );
+ }
+ else if (need_mul) {
+ ureg_MUL( ureg,
+ dst,
+ swizzle_4v( src, src_swizzle ),
+ swizzle_4v( imm, mul_swizzle ) );
+ }
+ else if (need_add) {
+ ureg_MOV( ureg,
+ dst,
+ swizzle_4v( imm, add_swizzle ) );
+ }
+ else {
+ debug_assert(0);
+ }
- if( inst->SrcReg[i].Abs ) {
- fullsrc->SrcRegisterExtMod.Absolute = 1;
- }
+#undef IMM_ZERO
+#undef IMM_ONE
+#undef IMM_NEG_ONE
+}
- if( inst->SrcReg[i].RelAddr ) {
- fullsrc->SrcRegister.Indirect = 1;
- fullsrc->SrcRegisterInd.File = TGSI_FILE_ADDRESS;
- fullsrc->SrcRegisterInd.Index = 0;
- }
- }
- switch( inst->Opcode ) {
+static unsigned
+translate_opcode( unsigned op )
+{
+ switch( op ) {
case OPCODE_ARL:
- fullinst->Instruction.Opcode = TGSI_OPCODE_ARL;
- break;
+ return TGSI_OPCODE_ARL;
case OPCODE_ABS:
- fullinst->Instruction.Opcode = TGSI_OPCODE_ABS;
- break;
+ return TGSI_OPCODE_ABS;
case OPCODE_ADD:
- fullinst->Instruction.Opcode = TGSI_OPCODE_ADD;
- break;
+ return TGSI_OPCODE_ADD;
case OPCODE_BGNLOOP:
- fullinst->Instruction.Opcode = TGSI_OPCODE_BGNLOOP2;
- fullinst->InstructionExtLabel.Label = inst->BranchTarget + preamble_size;
- break;
+ return TGSI_OPCODE_BGNLOOP;
case OPCODE_BGNSUB:
- fullinst->Instruction.Opcode = TGSI_OPCODE_BGNSUB;
- *insideSubroutine = GL_TRUE;
- break;
+ return TGSI_OPCODE_BGNSUB;
case OPCODE_BRA:
- fullinst->Instruction.Opcode = TGSI_OPCODE_BRA;
- break;
+ return TGSI_OPCODE_BRA;
case OPCODE_BRK:
- fullinst->Instruction.Opcode = TGSI_OPCODE_BRK;
- break;
+ return TGSI_OPCODE_BRK;
case OPCODE_CAL:
- fullinst->Instruction.Opcode = TGSI_OPCODE_CAL;
- fullinst->InstructionExtLabel.Label = inst->BranchTarget + preamble_size;
- break;
+ return TGSI_OPCODE_CAL;
case OPCODE_CMP:
- fullinst->Instruction.Opcode = TGSI_OPCODE_CMP;
- break;
+ return TGSI_OPCODE_CMP;
case OPCODE_CONT:
- fullinst->Instruction.Opcode = TGSI_OPCODE_CONT;
- break;
+ return TGSI_OPCODE_CONT;
case OPCODE_COS:
- fullinst->Instruction.Opcode = TGSI_OPCODE_COS;
- break;
+ return TGSI_OPCODE_COS;
case OPCODE_DDX:
- fullinst->Instruction.Opcode = TGSI_OPCODE_DDX;
- break;
+ return TGSI_OPCODE_DDX;
case OPCODE_DDY:
- fullinst->Instruction.Opcode = TGSI_OPCODE_DDY;
- break;
+ return TGSI_OPCODE_DDY;
case OPCODE_DP2:
- fullinst->Instruction.Opcode = TGSI_OPCODE_DP2;
- break;
+ return TGSI_OPCODE_DP2;
case OPCODE_DP2A:
- fullinst->Instruction.Opcode = TGSI_OPCODE_DP2A;
- break;
+ return TGSI_OPCODE_DP2A;
case OPCODE_DP3:
- fullinst->Instruction.Opcode = TGSI_OPCODE_DP3;
- break;
+ return TGSI_OPCODE_DP3;
case OPCODE_DP4:
- fullinst->Instruction.Opcode = TGSI_OPCODE_DP4;
- break;
+ return TGSI_OPCODE_DP4;
case OPCODE_DPH:
- fullinst->Instruction.Opcode = TGSI_OPCODE_DPH;
- break;
+ return TGSI_OPCODE_DPH;
case OPCODE_DST:
- fullinst->Instruction.Opcode = TGSI_OPCODE_DST;
- break;
+ return TGSI_OPCODE_DST;
case OPCODE_ELSE:
- fullinst->Instruction.Opcode = TGSI_OPCODE_ELSE;
- fullinst->InstructionExtLabel.Label = inst->BranchTarget + preamble_size;
- break;
+ return TGSI_OPCODE_ELSE;
case OPCODE_ENDIF:
- fullinst->Instruction.Opcode = TGSI_OPCODE_ENDIF;
- break;
+ return TGSI_OPCODE_ENDIF;
case OPCODE_ENDLOOP:
- fullinst->Instruction.Opcode = TGSI_OPCODE_ENDLOOP2;
- fullinst->InstructionExtLabel.Label = inst->BranchTarget + preamble_size;
- break;
+ return TGSI_OPCODE_ENDLOOP;
case OPCODE_ENDSUB:
- fullinst->Instruction.Opcode = TGSI_OPCODE_ENDSUB;
- *insideSubroutine = GL_FALSE;
- break;
+ return TGSI_OPCODE_ENDSUB;
case OPCODE_EX2:
- fullinst->Instruction.Opcode = TGSI_OPCODE_EX2;
- break;
+ return TGSI_OPCODE_EX2;
case OPCODE_EXP:
- fullinst->Instruction.Opcode = TGSI_OPCODE_EXP;
- break;
+ return TGSI_OPCODE_EXP;
case OPCODE_FLR:
- fullinst->Instruction.Opcode = TGSI_OPCODE_FLR;
- break;
+ return TGSI_OPCODE_FLR;
case OPCODE_FRC:
- fullinst->Instruction.Opcode = TGSI_OPCODE_FRC;
- break;
+ return TGSI_OPCODE_FRC;
case OPCODE_IF:
- fullinst->Instruction.Opcode = TGSI_OPCODE_IF;
- fullinst->InstructionExtLabel.Label = inst->BranchTarget + preamble_size;
- break;
+ return TGSI_OPCODE_IF;
case OPCODE_TRUNC:
- fullinst->Instruction.Opcode = TGSI_OPCODE_TRUNC;
- break;
+ return TGSI_OPCODE_TRUNC;
case OPCODE_KIL:
- /* conditional */
- fullinst->Instruction.Opcode = TGSI_OPCODE_KIL;
- break;
+ return TGSI_OPCODE_KIL;
case OPCODE_KIL_NV:
- /* predicated */
- assert(inst->DstReg.CondMask == COND_TR);
- fullinst->Instruction.Opcode = TGSI_OPCODE_KILP;
- break;
+ return TGSI_OPCODE_KILP;
case OPCODE_LG2:
- fullinst->Instruction.Opcode = TGSI_OPCODE_LG2;
- break;
+ return TGSI_OPCODE_LG2;
case OPCODE_LOG:
- fullinst->Instruction.Opcode = TGSI_OPCODE_LOG;
- break;
+ return TGSI_OPCODE_LOG;
case OPCODE_LIT:
- fullinst->Instruction.Opcode = TGSI_OPCODE_LIT;
- break;
+ return TGSI_OPCODE_LIT;
case OPCODE_LRP:
- fullinst->Instruction.Opcode = TGSI_OPCODE_LRP;
- break;
+ return TGSI_OPCODE_LRP;
case OPCODE_MAD:
- fullinst->Instruction.Opcode = TGSI_OPCODE_MAD;
- break;
+ return TGSI_OPCODE_MAD;
case OPCODE_MAX:
- fullinst->Instruction.Opcode = TGSI_OPCODE_MAX;
- break;
+ return TGSI_OPCODE_MAX;
case OPCODE_MIN:
- fullinst->Instruction.Opcode = TGSI_OPCODE_MIN;
- break;
+ return TGSI_OPCODE_MIN;
case OPCODE_MOV:
- fullinst->Instruction.Opcode = TGSI_OPCODE_MOV;
- break;
+ return TGSI_OPCODE_MOV;
case OPCODE_MUL:
- fullinst->Instruction.Opcode = TGSI_OPCODE_MUL;
- break;
- case OPCODE_NOISE1:
- fullinst->Instruction.Opcode = TGSI_OPCODE_NOISE1;
- break;
- case OPCODE_NOISE2:
- fullinst->Instruction.Opcode = TGSI_OPCODE_NOISE2;
- break;
- case OPCODE_NOISE3:
- fullinst->Instruction.Opcode = TGSI_OPCODE_NOISE3;
- break;
- case OPCODE_NOISE4:
- fullinst->Instruction.Opcode = TGSI_OPCODE_NOISE4;
- break;
+ return TGSI_OPCODE_MUL;
case OPCODE_NOP:
- fullinst->Instruction.Opcode = TGSI_OPCODE_NOP;
- break;
+ return TGSI_OPCODE_NOP;
case OPCODE_NRM3:
- fullinst->Instruction.Opcode = TGSI_OPCODE_NRM;
- break;
+ return TGSI_OPCODE_NRM;
case OPCODE_NRM4:
- fullinst->Instruction.Opcode = TGSI_OPCODE_NRM4;
- break;
+ return TGSI_OPCODE_NRM4;
case OPCODE_POW:
- fullinst->Instruction.Opcode = TGSI_OPCODE_POW;
- break;
+ return TGSI_OPCODE_POW;
case OPCODE_RCP:
- fullinst->Instruction.Opcode = TGSI_OPCODE_RCP;
- break;
+ return TGSI_OPCODE_RCP;
case OPCODE_RET:
- /* If RET is used inside main (not a real subroutine) we may want
- * to execute END instead of RET. TBD...
- */
- if (1 /* *insideSubroutine */) {
- fullinst->Instruction.Opcode = TGSI_OPCODE_RET;
- }
- else {
- /* inside main() pseudo-function */
- fullinst->Instruction.Opcode = TGSI_OPCODE_END;
- }
- break;
+ return TGSI_OPCODE_RET;
case OPCODE_RSQ:
- fullinst->Instruction.Opcode = TGSI_OPCODE_RSQ;
- break;
+ return TGSI_OPCODE_RSQ;
case OPCODE_SCS:
- fullinst->Instruction.Opcode = TGSI_OPCODE_SCS;
- fulldst->DstRegister.WriteMask &= TGSI_WRITEMASK_XY;
- break;
+ return TGSI_OPCODE_SCS;
case OPCODE_SEQ:
- fullinst->Instruction.Opcode = TGSI_OPCODE_SEQ;
- break;
+ return TGSI_OPCODE_SEQ;
case OPCODE_SGE:
- fullinst->Instruction.Opcode = TGSI_OPCODE_SGE;
- break;
+ return TGSI_OPCODE_SGE;
case OPCODE_SGT:
- fullinst->Instruction.Opcode = TGSI_OPCODE_SGT;
- break;
+ return TGSI_OPCODE_SGT;
case OPCODE_SIN:
- fullinst->Instruction.Opcode = TGSI_OPCODE_SIN;
- break;
+ return TGSI_OPCODE_SIN;
case OPCODE_SLE:
- fullinst->Instruction.Opcode = TGSI_OPCODE_SLE;
- break;
+ return TGSI_OPCODE_SLE;
case OPCODE_SLT:
- fullinst->Instruction.Opcode = TGSI_OPCODE_SLT;
- break;
+ return TGSI_OPCODE_SLT;
case OPCODE_SNE:
- fullinst->Instruction.Opcode = TGSI_OPCODE_SNE;
- break;
+ return TGSI_OPCODE_SNE;
case OPCODE_SSG:
- fullinst->Instruction.Opcode = TGSI_OPCODE_SSG;
- break;
+ return TGSI_OPCODE_SSG;
case OPCODE_SUB:
- fullinst->Instruction.Opcode = TGSI_OPCODE_SUB;
- break;
- case OPCODE_SWZ:
- fullinst->Instruction.Opcode = TGSI_OPCODE_SWZ;
- break;
+ return TGSI_OPCODE_SUB;
case OPCODE_TEX:
- /* ordinary texture lookup */
- fullinst->Instruction.Opcode = TGSI_OPCODE_TEX;
- fullinst->Instruction.NumSrcRegs = 2;
- fullinst->InstructionExtTexture.Texture =
- map_texture_target( inst->TexSrcTarget, inst->TexShadow );
- fullinst->FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER;
- fullinst->FullSrcRegisters[1].SrcRegister.Index = inst->TexSrcUnit;
- break;
+ return TGSI_OPCODE_TEX;
case OPCODE_TXB:
- /* texture lookup with LOD bias */
- fullinst->Instruction.Opcode = TGSI_OPCODE_TXB;
- fullinst->Instruction.NumSrcRegs = 2;
- fullinst->InstructionExtTexture.Texture =
- map_texture_target( inst->TexSrcTarget, inst->TexShadow );
- fullinst->FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER;
- fullinst->FullSrcRegisters[1].SrcRegister.Index = inst->TexSrcUnit;
- break;
+ return TGSI_OPCODE_TXB;
case OPCODE_TXD:
- /* texture lookup with explicit partial derivatives */
- fullinst->Instruction.Opcode = TGSI_OPCODE_TXD;
- fullinst->Instruction.NumSrcRegs = 4;
- fullinst->InstructionExtTexture.Texture =
- map_texture_target( inst->TexSrcTarget, inst->TexShadow );
- /* src[0] = coord, src[1] = d[strq]/dx, src[2] = d[strq]/dy */
- fullinst->FullSrcRegisters[3].SrcRegister.File = TGSI_FILE_SAMPLER;
- fullinst->FullSrcRegisters[3].SrcRegister.Index = inst->TexSrcUnit;
- break;
+ return TGSI_OPCODE_TXD;
case OPCODE_TXL:
- /* texture lookup with explicit LOD */
- fullinst->Instruction.Opcode = TGSI_OPCODE_TXL;
- fullinst->Instruction.NumSrcRegs = 2;
- fullinst->InstructionExtTexture.Texture =
- map_texture_target( inst->TexSrcTarget, inst->TexShadow );
- fullinst->FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER;
- fullinst->FullSrcRegisters[1].SrcRegister.Index = inst->TexSrcUnit;
- break;
+ return TGSI_OPCODE_TXL;
case OPCODE_TXP:
- /* texture lookup with divide by Q component */
- /* convert to TEX w/ special flag for division */
- fullinst->Instruction.Opcode = TGSI_OPCODE_TXP;
- fullinst->Instruction.NumSrcRegs = 2;
- fullinst->InstructionExtTexture.Texture =
- map_texture_target( inst->TexSrcTarget, inst->TexShadow );
- fullinst->FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER;
- fullinst->FullSrcRegisters[1].SrcRegister.Index = inst->TexSrcUnit;
- break;
+ return TGSI_OPCODE_TXP;
case OPCODE_XPD:
- fullinst->Instruction.Opcode = TGSI_OPCODE_XPD;
- fulldst->DstRegister.WriteMask &= TGSI_WRITEMASK_XYZ;
- break;
+ return TGSI_OPCODE_XPD;
case OPCODE_END:
- fullinst->Instruction.Opcode = TGSI_OPCODE_END;
- break;
+ return TGSI_OPCODE_END;
default:
- assert( 0 );
+ debug_assert( 0 );
+ return TGSI_OPCODE_NOP;
}
}
-/**
- * \param usage_mask bitfield of TGSI_WRITEMASK_{XYZW} tokens
- */
-static struct tgsi_full_declaration
-make_input_decl(
- GLuint index,
- GLboolean interpolate_info,
- GLuint interpolate,
- GLuint usage_mask,
- GLboolean semantic_info,
- GLuint semantic_name,
- GLbitfield semantic_index,
- GLbitfield input_flags)
-{
- struct tgsi_full_declaration decl;
-
- assert(semantic_name < TGSI_SEMANTIC_COUNT);
-
- decl = tgsi_default_full_declaration();
- decl.Declaration.File = TGSI_FILE_INPUT;
- decl.Declaration.UsageMask = usage_mask;
- decl.Declaration.Semantic = semantic_info;
- decl.DeclarationRange.First = index;
- decl.DeclarationRange.Last = index;
- if (semantic_info) {
- decl.Semantic.SemanticName = semantic_name;
- decl.Semantic.SemanticIndex = semantic_index;
- }
- if (interpolate_info) {
- decl.Declaration.Interpolate = interpolate;
- }
- if (input_flags & PROG_PARAM_BIT_CENTROID)
- decl.Declaration.Centroid = 1;
- if (input_flags & PROG_PARAM_BIT_INVARIANT)
- decl.Declaration.Invariant = 1;
- return decl;
-}
-
-/**
- * \param usage_mask bitfield of TGSI_WRITEMASK_{XYZW} tokens
- */
-static struct tgsi_full_declaration
-make_output_decl(
- GLuint index,
- GLuint semantic_name,
- GLuint semantic_index,
- GLuint usage_mask,
- GLbitfield output_flags)
+static void
+compile_instruction(
+ struct st_translate *t,
+ const struct prog_instruction *inst )
{
- struct tgsi_full_declaration decl;
-
- assert(semantic_name < TGSI_SEMANTIC_COUNT);
-
- decl = tgsi_default_full_declaration();
- decl.Declaration.File = TGSI_FILE_OUTPUT;
- decl.Declaration.UsageMask = usage_mask;
- decl.Declaration.Semantic = 1;
- decl.DeclarationRange.First = index;
- decl.DeclarationRange.Last = index;
- decl.Semantic.SemanticName = semantic_name;
- decl.Semantic.SemanticIndex = semantic_index;
- if (output_flags & PROG_PARAM_BIT_CENTROID)
- decl.Declaration.Centroid = 1;
- if (output_flags & PROG_PARAM_BIT_INVARIANT)
- decl.Declaration.Invariant = 1;
-
- return decl;
-}
+ struct ureg_program *ureg = t->ureg;
+ GLuint i;
+ struct ureg_dst dst[1];
+ struct ureg_src src[4];
+ unsigned num_dst;
+ unsigned num_src;
+ num_dst = _mesa_num_inst_dst_regs( inst->Opcode );
+ num_src = _mesa_num_inst_src_regs( inst->Opcode );
-static struct tgsi_full_declaration
-make_temp_decl(
- GLuint start_index,
- GLuint end_index )
-{
- struct tgsi_full_declaration decl;
- decl = tgsi_default_full_declaration();
- decl.Declaration.File = TGSI_FILE_TEMPORARY;
- decl.DeclarationRange.First = start_index;
- decl.DeclarationRange.Last = end_index;
- return decl;
-}
+ if (num_dst)
+ dst[0] = translate_dst( t,
+ &inst->DstReg,
+ inst->SaturateMode );
-static struct tgsi_full_declaration
-make_addr_decl(
- GLuint start_index,
- GLuint end_index )
-{
- struct tgsi_full_declaration decl;
+ for (i = 0; i < num_src; i++)
+ src[i] = translate_src( t, &inst->SrcReg[i] );
- decl = tgsi_default_full_declaration();
- decl.Declaration.File = TGSI_FILE_ADDRESS;
- decl.DeclarationRange.First = start_index;
- decl.DeclarationRange.Last = end_index;
- return decl;
-}
+ switch( inst->Opcode ) {
+ case OPCODE_SWZ:
+ emit_swz( t, dst[0], &inst->SrcReg[0] );
+ return;
-static struct tgsi_full_declaration
-make_sampler_decl(GLuint index)
-{
- struct tgsi_full_declaration decl;
- decl = tgsi_default_full_declaration();
- decl.Declaration.File = TGSI_FILE_SAMPLER;
- decl.DeclarationRange.First = index;
- decl.DeclarationRange.Last = index;
- return decl;
-}
+ case OPCODE_BGNLOOP:
+ case OPCODE_CAL:
+ case OPCODE_ELSE:
+ case OPCODE_ENDLOOP:
+ case OPCODE_IF:
+ debug_assert(num_dst == 0);
+ ureg_label_insn( ureg,
+ translate_opcode( inst->Opcode ),
+ src, num_src,
+ get_label( t, inst->BranchTarget ));
+ return;
-/** Reference into a constant buffer */
-static struct tgsi_full_declaration
-make_constant_decl(GLuint first, GLuint last)
-{
- struct tgsi_full_declaration decl;
- decl = tgsi_default_full_declaration();
- decl.Declaration.File = TGSI_FILE_CONSTANT;
- decl.DeclarationRange.First = first;
- decl.DeclarationRange.Last = last;
- return decl;
-}
+ case OPCODE_TEX:
+ case OPCODE_TXB:
+ case OPCODE_TXD:
+ case OPCODE_TXL:
+ case OPCODE_TXP:
+ src[num_src++] = t->samplers[inst->TexSrcUnit];
+ ureg_tex_insn( ureg,
+ translate_opcode( inst->Opcode ),
+ dst, num_dst,
+ translate_texture_target( inst->TexSrcTarget,
+ inst->TexShadow ),
+ src, num_src );
+ return;
+ case OPCODE_SCS:
+ dst[0] = ureg_writemask(dst[0], TGSI_WRITEMASK_XY );
+ ureg_insn( ureg,
+ translate_opcode( inst->Opcode ),
+ dst, num_dst,
+ src, num_src );
+ break;
+ case OPCODE_XPD:
+ dst[0] = ureg_writemask(dst[0], TGSI_WRITEMASK_XYZ );
+ ureg_insn( ureg,
+ translate_opcode( inst->Opcode ),
+ dst, num_dst,
+ src, num_src );
+ break;
-/**
- * Find the temporaries which are used in the given program.
- */
-static void
-find_temporaries(const struct gl_program *program,
- GLboolean tempsUsed[MAX_PROGRAM_TEMPS])
-{
- GLuint i, j;
+ case OPCODE_NOISE1:
+ case OPCODE_NOISE2:
+ case OPCODE_NOISE3:
+ case OPCODE_NOISE4:
+ /* At some point, a motivated person could add a better
+ * implementation of noise. Currently not even the nvidia
+ * binary drivers do anything more than this. In any case, the
+ * place to do this is in the GL state tracker, not the poor
+ * driver.
+ */
+ ureg_MOV( ureg, dst[0], ureg_imm1f(ureg, 0.5) );
+ break;
+
- for (i = 0; i < MAX_PROGRAM_TEMPS; i++)
- tempsUsed[i] = GL_FALSE;
- for (i = 0; i < program->NumInstructions; i++) {
- const struct prog_instruction *inst = program->Instructions + i;
- const GLuint n = _mesa_num_inst_src_regs( inst->Opcode );
- for (j = 0; j < n; j++) {
- if (inst->SrcReg[j].File == PROGRAM_TEMPORARY)
- tempsUsed[inst->SrcReg[j].Index] = GL_TRUE;
- if (inst->DstReg.File == PROGRAM_TEMPORARY)
- tempsUsed[inst->DstReg.Index] = GL_TRUE;
- }
+ default:
+ ureg_insn( ureg,
+ translate_opcode( inst->Opcode ),
+ dst, num_dst,
+ src, num_src );
+ break;
}
}
/**
- * Find an unused temporary in the tempsUsed array.
+ * Emit the TGSI instructions for inverting the WPOS y coordinate.
*/
-static int
-find_free_temporary(GLboolean tempsUsed[MAX_PROGRAM_TEMPS])
-{
- int i;
- for (i = 0; i < MAX_PROGRAM_TEMPS; i++) {
- if (!tempsUsed[i]) {
- tempsUsed[i] = GL_TRUE;
- return i;
- }
- }
- return -1;
-}
-
-
-/** helper for building simple TGSI instruction, one src register */
static void
-build_tgsi_instruction1(struct tgsi_full_instruction *inst,
- int opcode,
- int dstFile, int dstIndex, int writemask,
- int srcFile1, int srcIndex1)
+emit_inverted_wpos( struct st_translate *t,
+ const struct gl_program *program )
{
- *inst = tgsi_default_full_instruction();
-
- inst->Instruction.Opcode = opcode;
-
- inst->Instruction.NumDstRegs = 1;
- inst->FullDstRegisters[0].DstRegister.File = dstFile;
- inst->FullDstRegisters[0].DstRegister.Index = dstIndex;
- inst->FullDstRegisters[0].DstRegister.WriteMask = writemask;
-
- inst->Instruction.NumSrcRegs = 1;
- inst->FullSrcRegisters[0].SrcRegister.File = srcFile1;
- inst->FullSrcRegisters[0].SrcRegister.Index = srcIndex1;
-}
-
+ struct ureg_program *ureg = t->ureg;
-/** helper for building simple TGSI instruction, two src registers */
-static void
-build_tgsi_instruction2(struct tgsi_full_instruction *inst,
- int opcode,
- int dstFile, int dstIndex, int writemask,
- int srcFile1, int srcIndex1,
- int srcFile2, int srcIndex2)
-{
- *inst = tgsi_default_full_instruction();
-
- inst->Instruction.Opcode = opcode;
+ /* Fragment program uses fragment position input.
+ * Need to replace instances of INPUT[WPOS] with temp T
+ * where T = INPUT[WPOS] by y is inverted.
+ */
+ static const gl_state_index winSizeState[STATE_LENGTH]
+ = { STATE_INTERNAL, STATE_FB_SIZE, 0, 0, 0 };
+
+ /* XXX: note we are modifying the incoming shader here! Need to
+ * do this before emitting the constant decls below, or this
+ * will be missed:
+ */
+ unsigned winHeightConst = _mesa_add_state_reference(program->Parameters,
+ winSizeState);
- inst->Instruction.NumDstRegs = 1;
- inst->FullDstRegisters[0].DstRegister.File = dstFile;
- inst->FullDstRegisters[0].DstRegister.Index = dstIndex;
- inst->FullDstRegisters[0].DstRegister.WriteMask = writemask;
-
- inst->Instruction.NumSrcRegs = 2;
- inst->FullSrcRegisters[0].SrcRegister.File = srcFile1;
- inst->FullSrcRegisters[0].SrcRegister.Index = srcIndex1;
- inst->FullSrcRegisters[1].SrcRegister.File = srcFile2;
- inst->FullSrcRegisters[1].SrcRegister.Index = srcIndex2;
-}
+ struct ureg_src winsize = ureg_DECL_constant( ureg, winHeightConst );
+ struct ureg_dst wpos_temp = ureg_DECL_temporary( ureg );
+ struct ureg_src wpos_input = t->inputs[t->inputMapping[FRAG_ATTRIB_WPOS]];
+ /* MOV wpos_temp, input[wpos]
+ */
+ ureg_MOV( ureg, wpos_temp, wpos_input );
+ /* SUB wpos_temp.y, winsize_const, wpos_input
+ */
+ ureg_SUB( ureg,
+ ureg_writemask(wpos_temp, TGSI_WRITEMASK_Y ),
+ winsize,
+ wpos_input);
-/**
- * Emit the TGSI instructions for inverting the WPOS y coordinate.
- */
-static int
-emit_inverted_wpos(struct tgsi_token *tokens,
- int wpos_temp,
- int winsize_const,
- int wpos_input,
- struct tgsi_header *header, int maxTokens)
-{
- struct tgsi_full_instruction fullinst;
- int ti = 0;
-
- /* MOV wpos_temp.xzw, input[wpos]; */
- build_tgsi_instruction1(&fullinst,
- TGSI_OPCODE_MOV,
- TGSI_FILE_TEMPORARY, wpos_temp, WRITEMASK_XZW,
- TGSI_FILE_INPUT, 0);
-
- ti += tgsi_build_full_instruction(&fullinst,
- &tokens[ti],
- header,
- maxTokens - ti);
-
- /* SUB wpos_temp.y, const[winsize_const] - input[wpos_input]; */
- build_tgsi_instruction2(&fullinst,
- TGSI_OPCODE_SUB,
- TGSI_FILE_TEMPORARY, wpos_temp, WRITEMASK_Y,
- TGSI_FILE_CONSTANT, winsize_const,
- TGSI_FILE_INPUT, wpos_input);
-
- ti += tgsi_build_full_instruction(&fullinst,
- &tokens[ti],
- header,
- maxTokens - ti);
-
- return ti;
+ /* Use wpos_temp as position input from here on:
+ */
+ t->inputs[t->inputMapping[FRAG_ATTRIB_WPOS]] = ureg_src(wpos_temp);
}
-
-
/**
* Translate Mesa program to TGSI format.
* \param program the program to translate
* \param inputMapping maps Mesa fragment program inputs to TGSI generic
* input indexes
* \param inputSemanticName the TGSI_SEMANTIC flag for each input
- * \param inputSemanticIndex the semantic index (ex: which texcoord) for each input
+ * \param inputSemanticIndex the semantic index (ex: which texcoord) for
+ * each input
* \param interpMode the TGSI_INTERPOLATE_LINEAR/PERSP mode for each input
-
* \param numOutputs number of output registers used
* \param outputMapping maps Mesa fragment program outputs to TGSI
* generic outputs
* \param outputSemanticName the TGSI_SEMANTIC flag for each output
- * \param outputSemanticIndex the semantic index (ex: which texcoord) for each output
- * \param tokens array to store translated tokens in
- * \param maxTokens size of the tokens array
+ * \param outputSemanticIndex the semantic index (ex: which texcoord) for
+ * each output
*
- * \return number of tokens placed in 'tokens' buffer, or zero if error
+ * \return array of translated tokens, caller's responsibility to free
*/
-GLuint
+const struct tgsi_token *
st_translate_mesa_program(
GLcontext *ctx,
uint procType,
const GLuint outputMapping[],
const ubyte outputSemanticName[],
const ubyte outputSemanticIndex[],
- const GLbitfield outputFlags[],
- struct tgsi_token *tokens,
- GLuint maxTokens )
+ const GLbitfield outputFlags[] )
{
- GLuint i;
- GLuint ti; /* token index */
- struct tgsi_header *header;
- struct tgsi_processor *processor;
- GLuint preamble_size = 0;
- GLuint immediates[1000];
- GLuint numImmediates = 0;
- GLboolean insideSubroutine = GL_FALSE;
- GLboolean indirectAccess = GL_FALSE;
- GLboolean tempsUsed[MAX_PROGRAM_TEMPS + 1];
- GLint wposTemp = -1, winHeightConst = -1;
-
- assert(procType == TGSI_PROCESSOR_FRAGMENT ||
- procType == TGSI_PROCESSOR_VERTEX);
-
- find_temporaries(program, tempsUsed);
-
- if (procType == TGSI_PROCESSOR_FRAGMENT) {
- if (program->InputsRead & FRAG_BIT_WPOS) {
- /* Fragment program uses fragment position input.
- * Need to replace instances of INPUT[WPOS] with temp T
- * where T = INPUT[WPOS] by y is inverted.
- */
- static const gl_state_index winSizeState[STATE_LENGTH]
- = { STATE_INTERNAL, STATE_FB_SIZE, 0, 0, 0 };
- winHeightConst = _mesa_add_state_reference(program->Parameters,
- winSizeState);
- wposTemp = find_free_temporary(tempsUsed);
- }
- }
-
+ struct st_translate translate, *t;
+ struct ureg_program *ureg;
+ const struct tgsi_token *tokens = NULL;
+ unsigned i;
- *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
+ t = &translate;
+ memset(t, 0, sizeof *t);
- header = (struct tgsi_header *) &tokens[1];
- *header = tgsi_build_header();
+ t->procType = procType;
+ t->inputMapping = inputMapping;
+ t->outputMapping = outputMapping;
+ t->ureg = ureg_create( procType );
+ if (t->ureg == NULL)
+ return NULL;
- processor = (struct tgsi_processor *) &tokens[2];
- *processor = tgsi_build_processor( procType, header );
+ ureg = t->ureg;
- ti = 3;
+ /*_mesa_print_program(program);*/
/*
* Declare input attributes.
*/
if (procType == TGSI_PROCESSOR_FRAGMENT) {
for (i = 0; i < numInputs; i++) {
- struct tgsi_full_declaration fulldecl;
- fulldecl = make_input_decl(i,
- GL_TRUE, interpMode[i],
- TGSI_WRITEMASK_XYZW,
- GL_TRUE, inputSemanticName[i],
- inputSemanticIndex[i],
- inputFlags[i]);
- ti += tgsi_build_full_declaration(&fulldecl,
- &tokens[ti],
- header,
- maxTokens - ti );
+ t->inputs[i] = ureg_DECL_fs_input(ureg,
+ inputSemanticName[i],
+ inputSemanticIndex[i],
+ interpMode[i]);
}
- }
- else {
- /* vertex prog */
- /* XXX: this could probaby be merged with the clause above.
- * the only difference is the semantic tags.
- */
- for (i = 0; i < numInputs; i++) {
- struct tgsi_full_declaration fulldecl;
- fulldecl = make_input_decl(i,
- GL_FALSE, 0,
- TGSI_WRITEMASK_XYZW,
- GL_FALSE, 0, 0,
- inputFlags[i]);
- ti += tgsi_build_full_declaration(&fulldecl,
- &tokens[ti],
- header,
- maxTokens - ti );
+
+ if (program->InputsRead & FRAG_BIT_WPOS) {
+ /* Must do this after setting up t->inputs, and before
+ * emitting constant references, below:
+ */
+ emit_inverted_wpos( t, program );
}
- }
- /*
- * Declare output attributes.
- */
- if (procType == TGSI_PROCESSOR_FRAGMENT) {
+ /*
+ * Declare output attributes.
+ */
for (i = 0; i < numOutputs; i++) {
- struct tgsi_full_declaration fulldecl;
switch (outputSemanticName[i]) {
case TGSI_SEMANTIC_POSITION:
- fulldecl = make_output_decl(i,
- TGSI_SEMANTIC_POSITION, /* Z / Depth */
- outputSemanticIndex[i],
- TGSI_WRITEMASK_Z,
- outputFlags[i]);
+ t->outputs[i] = ureg_DECL_output( ureg,
+ TGSI_SEMANTIC_POSITION, /* Z / Depth */
+ outputSemanticIndex[i] );
+
+ t->outputs[i] = ureg_writemask( t->outputs[i],
+ TGSI_WRITEMASK_Z );
break;
case TGSI_SEMANTIC_COLOR:
- fulldecl = make_output_decl(i,
- TGSI_SEMANTIC_COLOR,
- outputSemanticIndex[i],
- TGSI_WRITEMASK_XYZW,
- outputFlags[i]);
+ t->outputs[i] = ureg_DECL_output( ureg,
+ TGSI_SEMANTIC_COLOR,
+ outputSemanticIndex[i] );
break;
default:
- assert(0);
+ debug_assert(0);
return 0;
}
- ti += tgsi_build_full_declaration(&fulldecl,
- &tokens[ti],
- header,
- maxTokens - ti );
}
}
else {
- /* vertex prog */
- for (i = 0; i < numOutputs; i++) {
- struct tgsi_full_declaration fulldecl;
- fulldecl = make_output_decl(i,
- outputSemanticName[i],
- outputSemanticIndex[i],
- TGSI_WRITEMASK_XYZW,
- outputFlags[i]);
- ti += tgsi_build_full_declaration(&fulldecl,
- &tokens[ti],
- header,
- maxTokens - ti );
+ for (i = 0; i < numInputs; i++) {
+ t->inputs[i] = ureg_DECL_vs_input(ureg, i);
}
- }
- /* temporary decls */
- {
- GLboolean inside_range = GL_FALSE;
- GLuint start_range = 0;
-
- tempsUsed[MAX_PROGRAM_TEMPS] = GL_FALSE;
- for (i = 0; i < MAX_PROGRAM_TEMPS + 1; i++) {
- if (tempsUsed[i] && !inside_range) {
- inside_range = GL_TRUE;
- start_range = i;
- }
- else if (!tempsUsed[i] && inside_range) {
- struct tgsi_full_declaration fulldecl;
-
- inside_range = GL_FALSE;
- fulldecl = make_temp_decl( start_range, i - 1 );
- ti += tgsi_build_full_declaration(
- &fulldecl,
- &tokens[ti],
- header,
- maxTokens - ti );
- }
+ for (i = 0; i < numOutputs; i++) {
+ t->outputs[i] = ureg_DECL_output( ureg,
+ outputSemanticName[i],
+ outputSemanticIndex[i] );
}
}
/* Declare address register.
- */
+ */
if (program->NumAddressRegs > 0) {
- struct tgsi_full_declaration fulldecl;
-
- assert( program->NumAddressRegs == 1 );
-
- fulldecl = make_addr_decl( 0, 0 );
- ti += tgsi_build_full_declaration(
- &fulldecl,
- &tokens[ti],
- header,
- maxTokens - ti );
-
- indirectAccess = GL_TRUE;
+ debug_assert( program->NumAddressRegs == 1 );
+ t->address[0] = ureg_DECL_address( ureg );
}
- /* immediates/literals */
- memset(immediates, ~0, sizeof(immediates));
- /* Emit immediates only when there is no address register in use.
- * FIXME: Be smarter and recognize param arrays -- indirect addressing is
- * only valid within the referenced array.
+ /* Emit constants and immediates. Mesa uses a single index space
+ * for these, so we put all the translated regs in t->constants.
*/
- if (program->Parameters && !indirectAccess) {
- for (i = 0; i < program->Parameters->NumParameters; i++) {
- if (program->Parameters->Parameters[i].Type == PROGRAM_CONSTANT) {
- struct tgsi_full_immediate fullimm;
-
- fullimm = make_immediate( program->Parameters->ParameterValues[i], 4 );
- ti += tgsi_build_full_immediate(
- &fullimm,
- &tokens[ti],
- header,
- maxTokens - ti );
- immediates[i] = numImmediates;
- numImmediates++;
- }
- }
- }
-
- /* constant buffer refs */
if (program->Parameters) {
- GLint start = -1, end = -1;
-
+
+ t->constants = CALLOC( program->Parameters->NumParameters,
+ sizeof t->constants[0] );
+ if (t->constants == NULL)
+ goto out;
+
for (i = 0; i < program->Parameters->NumParameters; i++) {
- GLboolean emit = (i == program->Parameters->NumParameters - 1);
- GLboolean matches;
-
switch (program->Parameters->Parameters[i].Type) {
case PROGRAM_ENV_PARAM:
case PROGRAM_STATE_VAR:
case PROGRAM_NAMED_PARAM:
case PROGRAM_UNIFORM:
- matches = GL_TRUE;
+ t->constants[i] = ureg_DECL_constant( ureg, i );
break;
+
+ /* Emit immediates only when there is no address register
+ * in use. FIXME: Be smarter and recognize param arrays:
+ * indirect addressing is only valid within the referenced
+ * array.
+ */
case PROGRAM_CONSTANT:
- matches = indirectAccess;
+ if (program->NumAddressRegs > 0)
+ t->constants[i] = ureg_DECL_constant( ureg, i );
+ else
+ t->constants[i] =
+ ureg_DECL_immediate( ureg,
+ program->Parameters->ParameterValues[i],
+ 4 );
break;
default:
- matches = GL_FALSE;
- }
-
- if (matches) {
- if (start == -1) {
- /* begin a sequence */
- start = i;
- end = i;
- }
- else {
- /* continue sequence */
- end = i;
- }
- }
- else {
- if (start != -1) {
- /* end of sequence */
- emit = GL_TRUE;
- }
- }
-
- if (emit && start >= 0) {
- struct tgsi_full_declaration fulldecl;
-
- fulldecl = make_constant_decl( start, end );
- ti += tgsi_build_full_declaration(
- &fulldecl,
- &tokens[ti],
- header,
- maxTokens - ti );
- start = end = -1;
+ break;
}
}
}
/* texture samplers */
for (i = 0; i < ctx->Const.MaxTextureImageUnits; i++) {
if (program->SamplersUsed & (1 << i)) {
- struct tgsi_full_declaration fulldecl;
-
- fulldecl = make_sampler_decl( i );
- ti += tgsi_build_full_declaration(
- &fulldecl,
- &tokens[ti],
- header,
- maxTokens - ti );
+ t->samplers[i] = ureg_DECL_sampler( ureg, i );
}
}
- /* invert WPOS fragment input */
- if (wposTemp >= 0) {
- ti += emit_inverted_wpos(&tokens[ti], wposTemp, winHeightConst,
- inputMapping[FRAG_ATTRIB_WPOS],
- header, maxTokens - ti);
- preamble_size = 2; /* two instructions added */
+ /* Emit each instruction in turn:
+ */
+ for (i = 0; i < program->NumInstructions; i++) {
+ set_insn_start( t, ureg_get_instruction_number( ureg ));
+ compile_instruction( t, &program->Instructions[i] );
}
- for (i = 0; i < program->NumInstructions; i++) {
- struct tgsi_full_instruction fullinst;
-
- compile_instruction(
- &program->Instructions[i],
- &fullinst,
- inputMapping,
- outputMapping,
- immediates,
- indirectAccess,
- preamble_size,
- procType,
- &insideSubroutine,
- wposTemp);
-
- ti += tgsi_build_full_instruction(
- &fullinst,
- &tokens[ti],
- header,
- maxTokens - ti );
+ /* Fix up all emitted labels:
+ */
+ for (i = 0; i < t->labels_count; i++) {
+ ureg_fixup_label( ureg,
+ t->labels[i].token,
+ t->insn[t->labels[i].branch_target] );
}
-#if DEBUG
- if(!tgsi_sanity_check(tokens)) {
- debug_printf("Due to sanity check failure(s) above the following shader program is invalid:\n");
- debug_printf("\nOriginal program:\n%s", program->String);
- debug_printf("\nMesa program:\n");
+ tokens = ureg_get_tokens( ureg, NULL );
+ ureg_destroy( ureg );
+
+out:
+ FREE(t->insn);
+ FREE(t->labels);
+ FREE(t->constants);
+
+ if (t->error) {
+ debug_printf("%s: translate error flag set\n", __FUNCTION__);
+ FREE((void *)tokens);
+ tokens = NULL;
+ }
+
+ if (!tokens) {
+ debug_printf("%s: failed to translate Mesa program:\n", __FUNCTION__);
_mesa_print_program(program);
- debug_printf("\nTGSI program:\n");
- tgsi_dump(tokens, 0);
- assert(0);
+ debug_assert(0);
}
-#endif
- return ti;
+ return tokens;
+}
+
+
+/**
+ * Tokens cannot be free with _mesa_free otherwise the builtin gallium
+ * malloc debugging will get confused.
+ */
+void
+st_free_tokens(const struct tgsi_token *tokens)
+{
+ FREE((void *)tokens);
}
projects / mesa.git / blobdiff