From d19d0596daf004b56d80f78fa1a329b43c2ebf94 Mon Sep 17 00:00:00 2001 From: Zou Nan hai Date: Thu, 21 Jun 2007 10:22:28 +0800 Subject: [PATCH] support branch and loop in pixel shader most of the sample working with some small modification --- progs/glsl/CH06-brick.frag.txt | 6 +- progs/glsl/CH11-bumpmap.frag.txt | 2 +- progs/glsl/CH11-bumpmap.vert.txt | 9 +- progs/glsl/CH11-toyball.frag.txt | 7 +- progs/glsl/CH11-toyball.vert.txt | 7 +- src/mesa/drivers/dri/i965/Makefile | 1 + src/mesa/drivers/dri/i965/brw_eu.h | 8 +- src/mesa/drivers/dri/i965/brw_eu_emit.c | 28 +- src/mesa/drivers/dri/i965/brw_vs.h | 5 + src/mesa/drivers/dri/i965/brw_vs_emit.c | 84 +- src/mesa/drivers/dri/i965/brw_wm.c | 80 +- src/mesa/drivers/dri/i965/brw_wm.h | 10 + src/mesa/drivers/dri/i965/brw_wm_emit.c | 28 +- src/mesa/drivers/dri/i965/brw_wm_fp.c | 16 +- src/mesa/drivers/dri/i965/brw_wm_glsl.c | 1177 ++++++++++++++++++++++ src/mesa/drivers/dri/i965/brw_wm_pass2.c | 2 +- src/mesa/drivers/dri/i965/brw_wm_state.c | 7 +- 17 files changed, 1365 insertions(+), 112 deletions(-) create mode 100644 src/mesa/drivers/dri/i965/brw_wm_glsl.c diff --git a/progs/glsl/CH06-brick.frag.txt b/progs/glsl/CH06-brick.frag.txt index 06ef04e3afb..388c5f9e660 100644 --- a/progs/glsl/CH06-brick.frag.txt +++ b/progs/glsl/CH06-brick.frag.txt @@ -23,7 +23,11 @@ void main() position = MCposition / BrickSize; - if (fract(position.y * 0.5) > 0.5) +// if (fract(position.y * 0.5) > 0.5) +// position.x += 0.5; + float tmp; + tmp = fract(position.y * 0.5); + if (tmp > 0.5) position.x += 0.5; position = fract(position); diff --git a/progs/glsl/CH11-bumpmap.frag.txt b/progs/glsl/CH11-bumpmap.frag.txt index 063576f5a3c..1467f767ec4 100644 --- a/progs/glsl/CH11-bumpmap.frag.txt +++ b/progs/glsl/CH11-bumpmap.frag.txt @@ -33,7 +33,7 @@ void main() litColor = SurfaceColor * max(dot(normDelta, LightDir), 0.0); vec3 reflectDir = reflect(LightDir, normDelta); - float spec = max(dot(EyeDir, reflectDir), 0.0); + float spec = max(dot(normalize(EyeDir), reflectDir), 0.0); spec *= SpecularFactor; litColor = min(litColor + spec, vec3(1.0)); diff --git a/progs/glsl/CH11-bumpmap.vert.txt b/progs/glsl/CH11-bumpmap.vert.txt index d3d19f62ac3..55cf43ba7dd 100644 --- a/progs/glsl/CH11-bumpmap.vert.txt +++ b/progs/glsl/CH11-bumpmap.vert.txt @@ -31,8 +31,9 @@ void main() v.z = dot(LightPosition, n); LightDir = normalize(v); - v.x = dot(EyeDir, t); - v.y = dot(EyeDir, b); - v.z = dot(EyeDir, n); - EyeDir = normalize(v); +/* v.x = dot(EyeDir, t); + v.y = dot(EyeDir, b); + v.z = dot(EyeDir, n); + EyeDir = normalize(EyeDir); +*/ } diff --git a/progs/glsl/CH11-toyball.frag.txt b/progs/glsl/CH11-toyball.frag.txt index 90ec1c27fc1..f3cac62fb3e 100644 --- a/progs/glsl/CH11-toyball.frag.txt +++ b/progs/glsl/CH11-toyball.frag.txt @@ -49,14 +49,15 @@ void main() inorout += dot(distance, vec4(1.0)); distance.x = dot(p, HalfSpace4); - distance.y = StripeWidth - abs(p.z); +// distance.y = StripeWidth - abs(p.z); + distance.y = StripeWidth - abs(p.y); distance = smoothstep(-FWidth, FWidth, distance); inorout += distance.x; inorout = clamp(inorout, 0.0, 1.0); - surfColor = mix(Yellow, Red, inorout); - surfColor = mix(surfColor, Blue, distance.y); + surfColor = mix(Yellow, Blue, distance.y); + surfColor = mix(surfColor, Red, inorout); // normal = point on surface for sphere at (0,0,0) normal = p; diff --git a/progs/glsl/CH11-toyball.vert.txt b/progs/glsl/CH11-toyball.vert.txt index b7da3ac839e..a3ee1b03776 100644 --- a/progs/glsl/CH11-toyball.vert.txt +++ b/progs/glsl/CH11-toyball.vert.txt @@ -14,10 +14,11 @@ uniform vec4 BallCenter; // ball center in modelling coordinates void main() { -//orig: ECposition = gl_ModelViewMatrix * gl_Vertex; + ECposition = gl_ModelViewMatrix * gl_Vertex; - ECposition = gl_TextureMatrix[0] * gl_Vertex; - ECposition = gl_ModelViewMatrix * ECposition; +// ECposition = gl_TextureMatrix[0] * gl_Vertex; +// ECposition = gl_MultiTexCoord0 * gl_Vertex; +// ECposition = gl_ModelViewMatrix * ECposition; ECballCenter = gl_ModelViewMatrix * BallCenter; gl_Position = ftransform(); diff --git a/src/mesa/drivers/dri/i965/Makefile b/src/mesa/drivers/dri/i965/Makefile index 9e4ff112dc3..66de6f583c3 100644 --- a/src/mesa/drivers/dri/i965/Makefile +++ b/src/mesa/drivers/dri/i965/Makefile @@ -70,6 +70,7 @@ DRIVER_SOURCES = \ brw_wm_emit.c \ brw_wm_fp.c \ brw_wm_iz.c \ + brw_wm_glsl.c \ brw_wm_pass0.c \ brw_wm_pass1.c \ brw_wm_pass2.c \ diff --git a/src/mesa/drivers/dri/i965/brw_eu.h b/src/mesa/drivers/dri/i965/brw_eu.h index 144f209edab..9b6581fd932 100644 --- a/src/mesa/drivers/dri/i965/brw_eu.h +++ b/src/mesa/drivers/dri/i965/brw_eu.h @@ -668,7 +668,10 @@ static __inline struct brw_indirect brw_indirect( GLuint addr_subnr, GLint offse return ptr; } - +static __inline struct brw_instruction *current_insn( struct brw_compile *p) +{ + return &p->store[p->nr_insn]; +} void brw_pop_insn_state( struct brw_compile *p ); void brw_push_insn_state( struct brw_compile *p ); @@ -808,9 +811,10 @@ void brw_ENDIF(struct brw_compile *p, struct brw_instruction *brw_DO(struct brw_compile *p, GLuint execute_size); -void brw_WHILE(struct brw_compile *p, +struct brw_instruction *brw_WHILE(struct brw_compile *p, struct brw_instruction *patch_insn); +struct brw_instruction *brw_BREAK(struct brw_compile *p); /* Forward jumps: */ void brw_land_fwd_jump(struct brw_compile *p, diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c index 0c04bf6c624..7b95fbdac03 100644 --- a/src/mesa/drivers/dri/i965/brw_eu_emit.c +++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c @@ -186,7 +186,7 @@ void brw_set_src1( struct brw_instruction *insn, * in the future: */ assert (reg.address_mode == BRW_ADDRESS_DIRECT); - assert (reg.file == BRW_GENERAL_REGISTER_FILE); + //assert (reg.file == BRW_GENERAL_REGISTER_FILE); if (insn->header.access_mode == BRW_ALIGN_1) { insn->bits3.da1.src1_subreg_nr = reg.subnr; @@ -597,6 +597,20 @@ void brw_ENDIF(struct brw_compile *p, } } +struct brw_instruction *brw_BREAK(struct brw_compile *p) +{ + struct brw_instruction *insn; + insn = next_insn(p, BRW_OPCODE_BREAK); + brw_set_dest(insn, brw_ip_reg()); + brw_set_src0(insn, brw_ip_reg()); + brw_set_src1(insn, brw_imm_d(0x0)); + insn->header.compression_control = BRW_COMPRESSION_NONE; + insn->header.execution_size = BRW_EXECUTE_8; + insn->header.mask_control = BRW_MASK_DISABLE; + insn->bits3.if_else.pad0 = 0; + return insn; +} + /* DO/WHILE loop: */ struct brw_instruction *brw_DO(struct brw_compile *p, GLuint execute_size) @@ -608,13 +622,15 @@ struct brw_instruction *brw_DO(struct brw_compile *p, GLuint execute_size) /* Override the defaults for this instruction: */ - brw_set_dest(insn, retype(brw_vec1_grf(0,0), BRW_REGISTER_TYPE_UD)); - brw_set_src0(insn, retype(brw_vec1_grf(0,0), BRW_REGISTER_TYPE_UD)); - brw_set_src1(insn, retype(brw_vec1_grf(0,0), BRW_REGISTER_TYPE_UD)); + brw_set_dest(insn, brw_null_reg()); + brw_set_src0(insn, brw_null_reg()); + brw_set_src1(insn, brw_null_reg()); insn->header.compression_control = BRW_COMPRESSION_NONE; insn->header.execution_size = execute_size; + insn->header.predicate_control = BRW_PREDICATE_NONE; /* insn->header.mask_control = BRW_MASK_ENABLE; */ + insn->header.mask_control = BRW_MASK_DISABLE; return insn; } @@ -622,7 +638,7 @@ struct brw_instruction *brw_DO(struct brw_compile *p, GLuint execute_size) -void brw_WHILE(struct brw_compile *p, +struct brw_instruction *brw_WHILE(struct brw_compile *p, struct brw_instruction *do_insn) { struct brw_instruction *insn; @@ -653,7 +669,9 @@ void brw_WHILE(struct brw_compile *p, /* insn->header.mask_control = BRW_MASK_ENABLE; */ + insn->header.mask_control = BRW_MASK_DISABLE; p->current->header.predicate_control = BRW_PREDICATE_NONE; + return insn; } diff --git a/src/mesa/drivers/dri/i965/brw_vs.h b/src/mesa/drivers/dri/i965/brw_vs.h index 912ab563f4d..36636b5ffd6 100644 --- a/src/mesa/drivers/dri/i965/brw_vs.h +++ b/src/mesa/drivers/dri/i965/brw_vs.h @@ -69,6 +69,11 @@ struct brw_vs_compile { struct brw_reg tmp; struct brw_reg stack; + struct { + GLboolean used_in_src; + struct brw_reg reg; + } output_regs[128]; + struct brw_reg userplane[6]; }; diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c index ffc1a0ea09f..fa94d5b1a87 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_emit.c +++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c @@ -135,6 +135,13 @@ static void brw_vs_alloc_regs( struct brw_vs_compile *c ) reg++; } + for (i = 0; i < 128; i++) { + if (c->output_regs[i].used_in_src) { + c->regs[PROGRAM_OUTPUT][i] = brw_vec8_grf(reg, 0); + reg++; + } + } + c->stack = brw_uw16_reg(BRW_GENERAL_REGISTER_FILE, reg, 0); reg += 2; @@ -686,28 +693,28 @@ static void emit_arl( struct brw_vs_compile *c, * account. */ static struct brw_reg get_arg( struct brw_vs_compile *c, - struct prog_src_register src ) + struct prog_src_register *src ) { struct brw_reg reg; - if (src.File == PROGRAM_UNDEFINED) + if (src->File == PROGRAM_UNDEFINED) return brw_null_reg(); - if (src.RelAddr) - reg = deref(c, c->regs[PROGRAM_STATE_VAR][0], src.Index); + if (src->RelAddr) + reg = deref(c, c->regs[PROGRAM_STATE_VAR][0], src->Index); else - reg = get_reg(c, src.File, src.Index); + reg = get_reg(c, src->File, src->Index); /* Convert 3-bit swizzle to 2-bit. */ - reg.dw1.bits.swizzle = BRW_SWIZZLE4(GET_SWZ(src.Swizzle, 0), - GET_SWZ(src.Swizzle, 1), - GET_SWZ(src.Swizzle, 2), - GET_SWZ(src.Swizzle, 3)); + reg.dw1.bits.swizzle = BRW_SWIZZLE4(GET_SWZ(src->Swizzle, 0), + GET_SWZ(src->Swizzle, 1), + GET_SWZ(src->Swizzle, 2), + GET_SWZ(src->Swizzle, 3)); /* Note this is ok for non-swizzle instructions: */ - reg.negate = src.NegateBase ? 1 : 0; + reg.negate = src->NegateBase ? 1 : 0; return reg; } @@ -921,10 +928,8 @@ post_vs_emit( struct brw_vs_compile *c, struct brw_instruction *end_inst ) inst1 = &c->vp->program.Base.Instructions[insn]; brw_inst1 = inst1->Data; switch (inst1->Opcode) { - case OPCODE_BRA: - case OPCODE_BRK: case OPCODE_CAL: - case OPCODE_ENDLOOP: + case OPCODE_BRA: target_insn = inst1->BranchTarget; inst2 = &c->vp->program.Base.Instructions[target_insn]; brw_inst2 = inst2->Data; @@ -945,12 +950,12 @@ post_vs_emit( struct brw_vs_compile *c, struct brw_instruction *end_inst ) */ void brw_vs_emit(struct brw_vs_compile *c ) { -#define MAX_IF_DEPTH 32 +#define MAX_IFSN 32 struct brw_compile *p = &c->func; GLuint nr_insns = c->vp->program.Base.NumInstructions; GLuint insn, if_insn = 0; struct brw_instruction *end_inst; - struct brw_instruction *if_inst[MAX_IF_DEPTH]; + struct brw_instruction *if_inst[MAX_IFSN]; struct brw_indirect stack_index = brw_indirect(0, 0); if (INTEL_DEBUG & DEBUG_VS) { @@ -962,6 +967,20 @@ void brw_vs_emit(struct brw_vs_compile *c ) brw_set_compression_control(p, BRW_COMPRESSION_NONE); brw_set_access_mode(p, BRW_ALIGN_16); + /* Message registers can't be read, so copy the output into GRF register + if they are used in source registers */ + for (insn = 0; insn < nr_insns; insn++) { + GLuint i; + struct prog_instruction *inst = &c->vp->program.Base.Instructions[insn]; + for (i = 0; i < 3; i++) { + struct prog_src_register *src = &inst->SrcReg[i]; + GLuint index = src->Index; + GLuint file = src->File; + if (file == PROGRAM_OUTPUT && index != VERT_RESULT_HPOS) + c->output_regs[index].used_in_src = GL_TRUE; + } + } + /* Static register allocation */ brw_vs_alloc_regs(c); @@ -977,8 +996,15 @@ void brw_vs_emit(struct brw_vs_compile *c ) */ inst->Data = &p->store[p->nr_insn]; if (inst->Opcode != OPCODE_SWZ) - for (i = 0; i < 3; i++) - args[i] = get_arg(c, inst->SrcReg[i]); + for (i = 0; i < 3; i++) { + struct prog_src_register *src = &inst->SrcReg[i]; + GLuint index = src->Index; + GLuint file = src->File; + if (file == PROGRAM_OUTPUT&&c->output_regs[index].used_in_src) + args[i] = c->output_regs[index].reg; + else + args[i] = get_arg(c, src); + } /* Get dest regs. Note that it is possible for a reg to be both * dst and arg, given the static allocation of registers. So @@ -1085,13 +1111,8 @@ void brw_vs_emit(struct brw_vs_compile *c ) case OPCODE_XPD: emit_xpd(p, dst, args[0], args[1]); break; - - case OPCODE_INT: - /* XXX TODO track type information in shader program */ - brw_MOV(p, dst, args[0]); - break; case OPCODE_IF: - assert(if_insn < MAX_IF_DEPTH); + assert(if_insn < MAX_IFSN); if_inst[if_insn++] = brw_IF(p, BRW_EXECUTE_8); break; case OPCODE_ELSE: @@ -1101,6 +1122,11 @@ void brw_vs_emit(struct brw_vs_compile *c ) assert(if_insn > 0); brw_ENDIF(p, if_inst[--if_insn]); break; + case OPCODE_BRA: + brw_set_predicate_control(p, BRW_PREDICATE_NORMAL); + brw_ADD(p, brw_ip_reg(), brw_ip_reg(), brw_imm_d(1*16)); + brw_set_predicate_control_flag_value(p, 0xff); + break; case OPCODE_CAL: brw_set_access_mode(p, BRW_ALIGN_1); brw_ADD(p, deref_1uw(stack_index, 0), brw_ip_reg(), brw_imm_d(3*16)); @@ -1116,13 +1142,9 @@ void brw_vs_emit(struct brw_vs_compile *c ) brw_set_access_mode(p, BRW_ALIGN_1); brw_MOV(p, brw_ip_reg(), deref_1uw(stack_index, 0)); brw_set_access_mode(p, BRW_ALIGN_16); - case OPCODE_ENDLOOP: - case OPCODE_BRK: - case OPCODE_BRA: case OPCODE_END: brw_ADD(p, brw_ip_reg(), brw_ip_reg(), brw_imm_d(1*16)); break; - case OPCODE_BGNLOOP: case OPCODE_PRINT: case OPCODE_BGNSUB: case OPCODE_ENDSUB: @@ -1131,8 +1153,12 @@ void brw_vs_emit(struct brw_vs_compile *c ) _mesa_printf("Unsupport opcode %d in vertex shader\n", inst->Opcode); break; } - brw_set_predicate_control(p, - inst->CondUpdate?BRW_PREDICATE_NORMAL:BRW_PREDICATE_NONE); + + if (inst->DstReg.File == PROGRAM_OUTPUT + &&inst->DstReg.Index != VERT_RESULT_HPOS + &&c->output_regs[inst->DstReg.Index].used_in_src) + brw_MOV(p, get_dst(c, inst->DstReg), dst); + release_tmps(c); } diff --git a/src/mesa/drivers/dri/i965/brw_wm.c b/src/mesa/drivers/dri/i965/brw_wm.c index a02a0a23af6..45ba4eaf322 100644 --- a/src/mesa/drivers/dri/i965/brw_wm.c +++ b/src/mesa/drivers/dri/i965/brw_wm.c @@ -154,47 +154,49 @@ static void do_wm_prog( struct brw_context *brw, c->fp = fp; c->env_param = brw->intel.ctx.FragmentProgram.Parameters; - - /* Augment fragment program. Add instructions for pre- and - * post-fragment-program tasks such as interpolation and fogging. - */ - brw_wm_pass_fp(c); - - /* Translate to intermediate representation. Build register usage - * chains. - */ - brw_wm_pass0(c); - - /* Dead code removal. - */ - brw_wm_pass1(c); - - /* Hal optimization - */ - brw_wm_pass_hal (c); - - /* Register allocation. - */ - c->grf_limit = BRW_WM_MAX_GRF/2; - - /* This is where we start emitting gen4 code: - */ - brw_init_compile(&c->func); - - brw_wm_pass2(c); - - c->prog_data.total_grf = c->max_wm_grf; - if (c->last_scratch) { - c->prog_data.total_scratch = - c->last_scratch + 0x40; + if (brw_wm_is_glsl(&c->fp->program)) { + brw_wm_glsl_emit(c); } else { - c->prog_data.total_scratch = 0; + /* Augment fragment program. Add instructions for pre- and + * post-fragment-program tasks such as interpolation and fogging. + */ + brw_wm_pass_fp(c); + + /* Translate to intermediate representation. Build register usage + * chains. + */ + brw_wm_pass0(c); + + /* Dead code removal. + */ + brw_wm_pass1(c); + + /* Hal optimization + */ + brw_wm_pass_hal (c); + + /* Register allocation. + */ + c->grf_limit = BRW_WM_MAX_GRF/2; + + /* This is where we start emitting gen4 code: + */ + brw_init_compile(&c->func); + + brw_wm_pass2(c); + + c->prog_data.total_grf = c->max_wm_grf; + if (c->last_scratch) { + c->prog_data.total_scratch = + c->last_scratch + 0x40; + } else { + c->prog_data.total_scratch = 0; + } + + /* Emit GEN4 code. + */ + brw_wm_emit(c); } - - /* Emit GEN4 code. - */ - brw_wm_emit(c); - /* get the program */ program = brw_get_program(&c->func, &program_size); diff --git a/src/mesa/drivers/dri/i965/brw_wm.h b/src/mesa/drivers/dri/i965/brw_wm.h index f5fddfdb68a..4143d5be6cb 100644 --- a/src/mesa/drivers/dri/i965/brw_wm.h +++ b/src/mesa/drivers/dri/i965/brw_wm.h @@ -231,6 +231,14 @@ struct brw_wm_compile { GLuint grf_limit; GLuint max_wm_grf; GLuint last_scratch; + + struct { + GLboolean inited; + struct brw_reg reg; + } wm_regs[PROGRAM_PAYLOAD+1][256][4]; + struct brw_reg ret_reg; + GLuint reg_index; + GLuint tmp_index; }; @@ -259,4 +267,6 @@ void brw_wm_lookup_iz( GLuint line_aa, GLuint lookup, struct brw_wm_prog_key *key ); +GLboolean brw_wm_is_glsl(struct gl_fragment_program *fp); +void brw_wm_glsl_emit(struct brw_wm_compile *c); #endif diff --git a/src/mesa/drivers/dri/i965/brw_wm_emit.c b/src/mesa/drivers/dri/i965/brw_wm_emit.c index 197a0ae13d2..5660b555162 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_emit.c +++ b/src/mesa/drivers/dri/i965/brw_wm_emit.c @@ -229,20 +229,20 @@ static void emit_cinterp( struct brw_compile *p, GLuint mask, const struct brw_reg *arg0 ) { - struct brw_reg interp[4]; - GLuint nr = arg0[0].nr; - GLuint i; - - interp[0] = brw_vec1_grf(nr, 0); - interp[1] = brw_vec1_grf(nr, 4); - interp[2] = brw_vec1_grf(nr+1, 0); - interp[3] = brw_vec1_grf(nr+1, 4); - - for(i = 0; i < 4; i++ ) { - if (mask & (1<Data = (void *)inst0; return inst; } @@ -201,7 +202,6 @@ static struct prog_instruction * emit_op(struct brw_wm_compile *c, inst->SrcReg[0] = src0; inst->SrcReg[1] = src1; inst->SrcReg[2] = src2; - return inst; } @@ -907,8 +907,10 @@ void brw_wm_pass_fp( struct brw_wm_compile *c ) */ out->DstReg.WriteMask = 0; break; - case OPCODE_END: + emit_fog(c); + emit_fb_write(c); + break; case OPCODE_PRINT: break; @@ -917,15 +919,11 @@ void brw_wm_pass_fp( struct brw_wm_compile *c ) break; } } - - emit_fog(c); - emit_fb_write(c); - if (INTEL_DEBUG & DEBUG_WM) { - _mesa_printf("\n\n\npass_fp:\n"); - print_insns( c->prog_instructions, c->nr_fp_insns ); - _mesa_printf("\n"); + _mesa_printf("\n\n\npass_fp:\n"); + print_insns( c->prog_instructions, c->nr_fp_insns ); + _mesa_printf("\n"); } } diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c new file mode 100644 index 00000000000..cdd79766076 --- /dev/null +++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c @@ -0,0 +1,1177 @@ +#include "macros.h" +#include "shader/prog_parameter.h" +#include "brw_context.h" +#include "brw_eu.h" +#include "brw_wm.h" + +/* Only guess, need a flag in gl_fragment_program later */ +GLboolean brw_wm_is_glsl(struct gl_fragment_program *fp) +{ + int i; + for (i = 0; i < fp->Base.NumInstructions; i++) { + struct prog_instruction *inst = &fp->Base.Instructions[i]; + switch (inst->Opcode) { + case OPCODE_IF: + case OPCODE_ENDIF: + case OPCODE_CAL: + case OPCODE_BRK: + case OPCODE_RET: + case OPCODE_BGNLOOP: + return GL_TRUE; + default: + break; + } + } + return GL_FALSE; +} + +static void set_reg(struct brw_wm_compile *c, int file, int index, + int component, struct brw_reg reg) +{ + c->wm_regs[file][index][component].reg = reg; + c->wm_regs[file][index][component].inited = GL_TRUE; +} + +static int get_scalar_dst_index(struct prog_instruction *inst) +{ + int i; + for (i = 0; i < 4; i++) + if (inst->DstReg.WriteMask & (1<tmp_index--, 0); + return reg; +} + +static void release_tmps(struct brw_wm_compile *c) +{ + c->tmp_index = 127; +} + +static struct brw_reg +get_reg(struct brw_wm_compile *c, int file, int index, int component, int nr, GLuint neg, GLuint abs) +{ + struct brw_reg reg; + switch (file) { + case PROGRAM_STATE_VAR: + case PROGRAM_CONSTANT: + case PROGRAM_UNIFORM: + file = PROGRAM_STATE_VAR; + break; + case PROGRAM_UNDEFINED: + return brw_null_reg(); + default: + break; + } + + if(c->wm_regs[file][index][component].inited) + reg = c->wm_regs[file][index][component].reg; + else + reg = brw_vec8_grf(c->reg_index, 0); + + if(!c->wm_regs[file][index][component].inited) { + set_reg(c, file, index, component, reg); + c->reg_index++; + } + + if (neg & (1<< component)) { + reg = negate(reg); + } + if (abs) + reg = brw_abs(reg); + return reg; +} + +static void prealloc_reg(struct brw_wm_compile *c) +{ + int i, j; + struct brw_reg reg; + int nr_interp_regs = 0; + GLuint inputs = FRAG_BIT_WPOS | c->fp_interp_emitted; + + for (i = 0; i < 4; i++) { + reg = (i < c->key.nr_depth_regs) + ? brw_vec8_grf(i*2, 0) : brw_vec8_grf(0, 0); + set_reg(c, PROGRAM_PAYLOAD, PAYLOAD_DEPTH, i, reg); + } + c->reg_index += 2*c->key.nr_depth_regs; + { + int nr_params = c->fp->program.Base.Parameters->NumParameters; + struct gl_program_parameter_list *plist = + c->fp->program.Base.Parameters; + int index = 0; + c->prog_data.nr_params = 4*nr_params; + for (i = 0; i < nr_params; i++) { + for (j = 0; j < 4; j++, index++) { + reg = brw_vec1_grf(c->reg_index + index/8, + index%8); + c->prog_data.param[index] = + &plist->ParameterValues[i][j]; + set_reg(c, PROGRAM_STATE_VAR, i, j, reg); + } + } + c->nr_creg = 2*((4*nr_params+15)/16); + c->reg_index += c->nr_creg; + } + for (i = 0; i < FRAG_ATTRIB_MAX; i++) { + if (inputs & (1<reg_index, 0); + for (j = 0; j < 4; j++) + set_reg(c, PROGRAM_PAYLOAD, i, j, reg); + c->reg_index += 2; + + } + } + c->prog_data.first_curbe_grf = c->key.nr_depth_regs * 2; + c->prog_data.urb_read_length = nr_interp_regs * 2; + c->prog_data.curb_read_length = c->nr_creg; + c->ret_reg = brw_uw1_reg(BRW_GENERAL_REGISTER_FILE, c->reg_index, 0); + c->reg_index++; +} + +static struct brw_reg get_dst_reg(struct brw_wm_compile *c, + struct prog_instruction *inst, int component, int nr) +{ + return get_reg(c, inst->DstReg.File, inst->DstReg.Index, component, nr, + 0, 0); +} + +static struct brw_reg get_src_reg(struct brw_wm_compile *c, + struct prog_src_register *src, int index, int nr) +{ + int component = GET_SWZ(src->Swizzle, index); + return get_reg(c, src->File, src->Index, component, nr, + src->NegateBase, src->Abs); +} + +static void emit_abs( struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + int i; + struct brw_compile *p = &c->func; + brw_set_saturate(p, inst->SaturateMode != SATURATE_OFF); + for (i = 0; i < 4; i++) { + if (inst->DstReg.WriteMask & (1<SrcReg[0], i, 1); + brw_MOV(p, dst, brw_abs(src)); + } + } + brw_set_saturate(p, 0); +} + +static void emit_mov( struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + int i; + struct brw_compile *p = &c->func; + GLuint mask = inst->DstReg.WriteMask; + brw_set_saturate(p, inst->SaturateMode != SATURATE_OFF); + for (i = 0; i < 4; i++) { + if (mask & (1<SrcReg[0], i, 1); + brw_MOV(p, dst, src); + } + } + brw_set_saturate(p, 0); +} + +static void emit_pixel_xy(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_reg r1 = brw_vec1_grf(1, 0); + struct brw_reg r1_uw = retype(r1, BRW_REGISTER_TYPE_UW); + + struct brw_reg dst0, dst1; + struct brw_compile *p = &c->func; + GLuint mask = inst->DstReg.WriteMask; + + dst0 = get_dst_reg(c, inst, 0, 1); + dst1 = get_dst_reg(c, inst, 1, 1); + /* Calculate pixel centers by adding 1 or 0 to each of the + * micro-tile coordinates passed in r1. + */ + if (mask & WRITEMASK_X) { + brw_ADD(p, + vec8(retype(dst0, BRW_REGISTER_TYPE_UW)), + stride(suboffset(r1_uw, 4), 2, 4, 0), + brw_imm_v(0x10101010)); + } + + if (mask & WRITEMASK_Y) { + brw_ADD(p, + vec8(retype(dst1, BRW_REGISTER_TYPE_UW)), + stride(suboffset(r1_uw, 5), 2, 4, 0), + brw_imm_v(0x11001100)); + } + +} + +static void emit_delta_xy(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_reg r1 = brw_vec1_grf(1, 0); + struct brw_reg dst0, dst1, src0, src1; + struct brw_compile *p = &c->func; + GLuint mask = inst->DstReg.WriteMask; + + dst0 = get_dst_reg(c, inst, 0, 1); + dst1 = get_dst_reg(c, inst, 1, 1); + src0 = get_src_reg(c, &inst->SrcReg[0], 0, 1); + src1 = get_src_reg(c, &inst->SrcReg[0], 1, 1); + /* Calc delta X,Y by subtracting origin in r1 from the pixel + * centers. + */ + if (mask & WRITEMASK_X) { + brw_ADD(p, + dst0, + retype(src0, BRW_REGISTER_TYPE_UW), + negate(r1)); + } + + if (mask & WRITEMASK_Y) { + brw_ADD(p, + dst1, + retype(src1, BRW_REGISTER_TYPE_UW), + negate(suboffset(r1,1))); + + } + +} + + +static void fire_fb_write( struct brw_wm_compile *c, + GLuint base_reg, + GLuint nr ) +{ + struct brw_compile *p = &c->func; + + /* Pass through control information: + */ + /* mov (8) m1.0<1>:ud r1.0<8;8,1>:ud { Align1 NoMask } */ + { + brw_push_insn_state(p); + brw_set_mask_control(p, BRW_MASK_DISABLE); /* ? */ + brw_MOV(p, + brw_message_reg(base_reg + 1), + brw_vec8_grf(1, 0)); + brw_pop_insn_state(p); + } + /* Send framebuffer write message: */ + brw_fb_WRITE(p, + retype(vec8(brw_null_reg()), BRW_REGISTER_TYPE_UW), + base_reg, + retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UW), + 0, /* render surface always 0 */ + nr, + 0, + 1); +} + +static void emit_fb_write(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_compile *p = &c->func; + int nr = 2; + int channel; + struct brw_reg src0;//, src1, src2, dst; + + /* Reserve a space for AA - may not be needed: + */ + if (c->key.aa_dest_stencil_reg) + nr += 1; + { + brw_push_insn_state(p); + for (channel = 0; channel < 4; channel++) { + src0 = get_src_reg(c, &inst->SrcReg[0], channel, 1); + /* mov (8) m2.0<1>:ud r28.0<8;8,1>:ud { Align1 } */ + /* mov (8) m6.0<1>:ud r29.0<8;8,1>:ud { Align1 SecHalf } */ + brw_MOV(p, brw_message_reg(nr + channel), src0); + } + /* skip over the regs populated above: */ + nr += 8; + brw_pop_insn_state(p); + } + fire_fb_write(c, 0, nr); +} + +static void emit_pixel_w( struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_compile *p = &c->func; + GLuint mask = inst->DstReg.WriteMask; + if (mask & WRITEMASK_W) { + struct brw_reg dst, src0, delta0, delta1; + struct brw_reg interp3; + + dst = get_dst_reg(c, inst, 3, 1); + src0 = get_src_reg(c, &inst->SrcReg[0], 0, 1); + delta0 = get_src_reg(c, &inst->SrcReg[1], 0, 1); + delta1 = get_src_reg(c, &inst->SrcReg[1], 1, 1); + + interp3 = brw_vec1_grf(src0.nr+1, 4); + /* Calc 1/w - just linterp wpos[3] optimized by putting the + * result straight into a message reg. + */ + brw_LINE(p, brw_null_reg(), interp3, delta0); + brw_MAC(p, brw_message_reg(2), suboffset(interp3, 1), delta1); + + /* Calc w */ + brw_math_16( p, dst, + BRW_MATH_FUNCTION_INV, + BRW_MATH_SATURATE_NONE, + 2, brw_null_reg(), + BRW_MATH_PRECISION_FULL); + } +} + +static void emit_linterp(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_compile *p = &c->func; + GLuint mask = inst->DstReg.WriteMask; + struct brw_reg interp[4]; + struct brw_reg dst, delta0, delta1; + struct brw_reg src0; + + src0 = get_src_reg(c, &inst->SrcReg[0], 0, 1); + delta0 = get_src_reg(c, &inst->SrcReg[1], 0, 1); + delta1 = get_src_reg(c, &inst->SrcReg[1], 1, 1); + GLuint nr = src0.nr; + int i; + + interp[0] = brw_vec1_grf(nr, 0); + interp[1] = brw_vec1_grf(nr, 4); + interp[2] = brw_vec1_grf(nr+1, 0); + interp[3] = brw_vec1_grf(nr+1, 4); + + for(i = 0; i < 4; i++ ) { + if (mask & (1<func; + GLuint mask = inst->DstReg.WriteMask; + + struct brw_reg interp[4]; + struct brw_reg dst, src0; + + src0 = get_src_reg(c, &inst->SrcReg[0], 0, 1); + GLuint nr = src0.nr; + int i; + + interp[0] = brw_vec1_grf(nr, 0); + interp[1] = brw_vec1_grf(nr, 4); + interp[2] = brw_vec1_grf(nr+1, 0); + interp[3] = brw_vec1_grf(nr+1, 4); + + for(i = 0; i < 4; i++ ) { + if (mask & (1<func; + GLuint mask = inst->DstReg.WriteMask; + + struct brw_reg interp[4]; + struct brw_reg dst, delta0, delta1; + struct brw_reg src0, w; + + src0 = get_src_reg(c, &inst->SrcReg[0], 0, 1); + delta0 = get_src_reg(c, &inst->SrcReg[1], 0, 1); + delta1 = get_src_reg(c, &inst->SrcReg[1], 1, 1); + w = get_src_reg(c, &inst->SrcReg[2], 3, 1); + GLuint nr = src0.nr; + int i; + + interp[0] = brw_vec1_grf(nr, 0); + interp[1] = brw_vec1_grf(nr, 4); + interp[2] = brw_vec1_grf(nr+1, 0); + interp[3] = brw_vec1_grf(nr+1, 4); + + for(i = 0; i < 4; i++ ) { + if (mask & (1<func; + GLuint mask = inst->DstReg.WriteMask; + for (i = 0; i < 4; i++) { + GLuint i2 = (i+2)%3; + GLuint i1 = (i+1)%3; + if (mask & (1<SrcReg[0], i2, 1)); + src1 = get_src_reg(c, &inst->SrcReg[1], i1, 1); + brw_MUL(p, brw_null_reg(), src0, src1); + src0 = get_src_reg(c, &inst->SrcReg[0], i1, 1); + src1 = get_src_reg(c, &inst->SrcReg[1], i2, 1); + brw_set_saturate(p, inst->SaturateMode != SATURATE_OFF); + brw_MAC(p, dst, src0, src1); + brw_set_saturate(p, 0); + } + } + brw_set_saturate(p, 0); +} + +static void emit_dp3(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_reg src0[3], src1[3], dst; + int i; + struct brw_compile *p = &c->func; + for (i = 0; i < 3; i++) { + src0[i] = get_src_reg(c, &inst->SrcReg[0], i, 1); + src1[i] = get_src_reg(c, &inst->SrcReg[1], i, 1); + } + + dst = get_dst_reg(c, inst, get_scalar_dst_index(inst), 1); + brw_MUL(p, brw_null_reg(), src0[0], src1[0]); + brw_MAC(p, brw_null_reg(), src0[1], src1[1]); + brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0); + brw_MAC(p, dst, src0[2], src1[2]); + brw_set_saturate(p, 0); +} + +static void emit_dp4(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_reg src0[4], src1[4], dst; + int i; + struct brw_compile *p = &c->func; + for (i = 0; i < 4; i++) { + src0[i] = get_src_reg(c, &inst->SrcReg[0], i, 1); + src1[i] = get_src_reg(c, &inst->SrcReg[1], i, 1); + } + dst = get_dst_reg(c, inst, get_scalar_dst_index(inst), 1); + brw_MUL(p, brw_null_reg(), src0[0], src1[0]); + brw_MAC(p, brw_null_reg(), src0[1], src1[1]); + brw_MAC(p, brw_null_reg(), src0[2], src1[2]); + brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0); + brw_MAC(p, dst, src0[3], src1[3]); + brw_set_saturate(p, 0); +} + +static void emit_dph(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_reg src0[4], src1[4], dst; + int i; + struct brw_compile *p = &c->func; + for (i = 0; i < 4; i++) { + src0[i] = get_src_reg(c, &inst->SrcReg[0], i, 1); + src1[i] = get_src_reg(c, &inst->SrcReg[1], i, 1); + } + dst = get_dst_reg(c, inst, get_scalar_dst_index(inst), 1); + brw_MUL(p, brw_null_reg(), src0[0], src1[0]); + brw_MAC(p, brw_null_reg(), src0[1], src1[1]); + brw_MAC(p, dst, src0[2], src1[2]); + brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0); + brw_ADD(p, dst, src0[3], src1[3]); + brw_set_saturate(p, 0); +} + +static void emit_math1(struct brw_wm_compile *c, + struct prog_instruction *inst, GLuint func) +{ + struct brw_compile *p = &c->func; + struct brw_reg src0, dst; + + src0 = get_src_reg(c, &inst->SrcReg[0], 0, 1); + dst = get_dst_reg(c, inst, get_scalar_dst_index(inst), 1); + brw_MOV(p, brw_message_reg(2), src0); + brw_math(p, + dst, + func, + (inst->SaturateMode != SATURATE_OFF) ? BRW_MATH_SATURATE_SATURATE : BRW_MATH_SATURATE_NONE, + 2, + brw_null_reg(), + BRW_MATH_DATA_VECTOR, + BRW_MATH_PRECISION_FULL); +} + +static void emit_rcp(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + emit_math1(c, inst, BRW_MATH_FUNCTION_INV); +} + +static void emit_rsq(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + emit_math1(c, inst, BRW_MATH_FUNCTION_RSQ); +} + +static void emit_sin(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + emit_math1(c, inst, BRW_MATH_FUNCTION_SIN); +} + +static void emit_cos(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + emit_math1(c, inst, BRW_MATH_FUNCTION_COS); +} + +static void emit_ex2(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + emit_math1(c, inst, BRW_MATH_FUNCTION_EXP); +} + +static void emit_lg2(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + emit_math1(c, inst, BRW_MATH_FUNCTION_LOG); +} + +static void emit_add(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_compile *p = &c->func; + struct brw_reg src0, src1, dst; + GLuint mask = inst->DstReg.WriteMask; + int i; + brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0); + for (i = 0 ; i < 4; i++) { + if (mask & (1<SrcReg[0], i, 1); + src1 = get_src_reg(c, &inst->SrcReg[1], i, 1); + brw_ADD(p, dst, src0, src1); + } + } + brw_set_saturate(p, 0); +} + +static void emit_sub(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_compile *p = &c->func; + struct brw_reg src0, src1, dst; + GLuint mask = inst->DstReg.WriteMask; + int i; + brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0); + for (i = 0 ; i < 4; i++) { + if (mask & (1<SrcReg[0], i, 1); + src1 = get_src_reg(c, &inst->SrcReg[1], i, 1); + brw_ADD(p, dst, src0, negate(src1)); + } + } + brw_set_saturate(p, 0); +} + +static void emit_mul(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_compile *p = &c->func; + struct brw_reg src0, src1, dst; + GLuint mask = inst->DstReg.WriteMask; + int i; + brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0); + for (i = 0 ; i < 4; i++) { + if (mask & (1<SrcReg[0], i, 1); + src1 = get_src_reg(c, &inst->SrcReg[1], i, 1); + brw_MUL(p, dst, src0, src1); + } + } + brw_set_saturate(p, 0); +} + +static void emit_frc(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_compile *p = &c->func; + struct brw_reg src0, dst; + GLuint mask = inst->DstReg.WriteMask; + int i; + brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0); + for (i = 0 ; i < 4; i++) { + if (mask & (1<SrcReg[0], i, 1); + brw_FRC(p, dst, src0); + } + } + if (inst->SaturateMode != SATURATE_OFF) + brw_set_saturate(p, 0); +} + +static void emit_flr(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_compile *p = &c->func; + struct brw_reg src0, dst; + GLuint mask = inst->DstReg.WriteMask; + int i; + brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0); + for (i = 0 ; i < 4; i++) { + if (mask & (1<SrcReg[0], i, 1); + brw_RNDD(p, dst, src0); + } + } + brw_set_saturate(p, 0); +} + +static void emit_max(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_compile *p = &c->func; + GLuint mask = inst->DstReg.WriteMask; + struct brw_reg src0, src1, dst; + int i; + brw_push_insn_state(p); + for (i = 0; i < 4; i++) { + if (mask & (1<SrcReg[0], i, 1); + src1 = get_src_reg(c, &inst->SrcReg[1], i, 1); + brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0); + brw_MOV(p, dst, src0); + brw_set_saturate(p, 0); + + brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_L, src0, src1); + brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0); + brw_set_predicate_control(p, BRW_PREDICATE_NORMAL); + brw_MOV(p, dst, src1); + brw_set_saturate(p, 0); + brw_set_predicate_control_flag_value(p, 0xff); + } + } + brw_pop_insn_state(p); +} + +static void emit_min(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_compile *p = &c->func; + GLuint mask = inst->DstReg.WriteMask; + struct brw_reg src0, src1, dst; + int i; + brw_push_insn_state(p); + for (i = 0; i < 4; i++) { + if (mask & (1<SrcReg[0], i, 1); + src1 = get_src_reg(c, &inst->SrcReg[1], i, 1); + brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0); + brw_MOV(p, dst, src0); + brw_set_saturate(p, 0); + + brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_L, src1, src0); + brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0); + brw_set_predicate_control(p, BRW_PREDICATE_NORMAL); + brw_MOV(p, dst, src1); + brw_set_saturate(p, 0); + brw_set_predicate_control_flag_value(p, 0xff); + } + } + brw_pop_insn_state(p); +} + +static void emit_pow(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_compile *p = &c->func; + struct brw_reg dst, src0, src1; + dst = get_dst_reg(c, inst, get_scalar_dst_index(inst), 1); + src0 = get_src_reg(c, &inst->SrcReg[0], 0, 1); + src1 = get_src_reg(c, &inst->SrcReg[1], 0, 1); + + brw_MOV(p, brw_message_reg(2), src0); + brw_MOV(p, brw_message_reg(3), src1); + + brw_math(p, + dst, + BRW_MATH_FUNCTION_POW, + (inst->SaturateMode != SATURATE_OFF) ? BRW_MATH_SATURATE_SATURATE : BRW_MATH_SATURATE_NONE, + 2, + brw_null_reg(), + BRW_MATH_DATA_VECTOR, + BRW_MATH_PRECISION_FULL); +} + +static void emit_lrp(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_compile *p = &c->func; + GLuint mask = inst->DstReg.WriteMask; + struct brw_reg dst, tmp1, tmp2, src0, src1, src2; + int i; + for (i = 0; i < 4; i++) { + if (mask & (1<SrcReg[0], i, 1); + + src1 = get_src_reg(c, &inst->SrcReg[1], i, 1); + + if (src1.nr == dst.nr) { + tmp1 = alloc_tmp(c); + brw_MOV(p, tmp1, src1); + } else + tmp1 = src1; + + src2 = get_src_reg(c, &inst->SrcReg[2], i, 1); + if (src2.nr == dst.nr) { + tmp2 = alloc_tmp(c); + brw_MOV(p, tmp2, src2); + } else + tmp2 = src2; + + brw_ADD(p, dst, negate(src0), brw_imm_f(1.0)); + brw_MUL(p, brw_null_reg(), dst, tmp2); + brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0); + brw_MAC(p, dst, src0, tmp1); + brw_set_saturate(p, 0); + } + release_tmps(c); + } +} + +static void emit_mad(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_compile *p = &c->func; + GLuint mask = inst->DstReg.WriteMask; + struct brw_reg dst, src0, src1, src2; + int i; + + for (i = 0; i < 4; i++) { + if (mask & (1<SrcReg[0], i, 1); + src1 = get_src_reg(c, &inst->SrcReg[1], i, 1); + src2 = get_src_reg(c, &inst->SrcReg[2], i, 1); + brw_MUL(p, dst, src0, src1); + + brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0); + brw_ADD(p, dst, dst, src2); + brw_set_saturate(p, 0); + } + } +} + +static void emit_sop(struct brw_wm_compile *c, + struct prog_instruction *inst, GLuint cond) +{ + struct brw_compile *p = &c->func; + GLuint mask = inst->DstReg.WriteMask; + struct brw_reg dst, src0, src1; + int i; + + for (i = 0; i < 4; i++) { + if (mask & (1<SrcReg[0], i, 1); + src1 = get_src_reg(c, &inst->SrcReg[1], i, 1); + brw_MOV(p, dst, brw_imm_f(0)); + brw_CMP(p, brw_null_reg(), cond, src0, src1); + brw_set_predicate_control(p, BRW_PREDICATE_NORMAL); + brw_MOV(p, dst, brw_imm_f(1.0)); + brw_set_predicate_control_flag_value(p, 0xff); + } + } +} + +static void emit_slt(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + emit_sop(c, inst, BRW_CONDITIONAL_L); +} + +static void emit_sle(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + emit_sop(c, inst, BRW_CONDITIONAL_LE); +} + +static void emit_sgt(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + emit_sop(c, inst, BRW_CONDITIONAL_G); +} + +static void emit_sge(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + emit_sop(c, inst, BRW_CONDITIONAL_GE); +} + +static void emit_seq(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + emit_sop(c, inst, BRW_CONDITIONAL_EQ); +} + +static void emit_sne(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + emit_sop(c, inst, BRW_CONDITIONAL_NEQ); +} +/* TODO + BIAS on SIMD8 not workind yet... + */ +static void emit_txb(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_compile *p = &c->func; + struct brw_reg dst[4], src[4], payload_reg; + GLuint i; + payload_reg = get_reg(c, PROGRAM_PAYLOAD, PAYLOAD_DEPTH, 0, 1, 0, 0); + for (i = 0; i < 4; i++) + dst[i] = get_dst_reg(c, inst, i, 1); + for (i = 0; i < 4; i++) + src[i] = get_src_reg(c, &inst->SrcReg[0], i, 1); + + switch (inst->TexSrcTarget) { + case TEXTURE_1D_INDEX: + brw_MOV(p, brw_message_reg(2), src[0]); + brw_MOV(p, brw_message_reg(3), brw_imm_f(0)); + brw_MOV(p, brw_message_reg(4), brw_imm_f(0)); + break; + case TEXTURE_2D_INDEX: + case TEXTURE_RECT_INDEX: + brw_MOV(p, brw_message_reg(2), src[0]); + brw_MOV(p, brw_message_reg(3), src[1]); + brw_MOV(p, brw_message_reg(4), brw_imm_f(0)); + break; + default: + brw_MOV(p, brw_message_reg(2), src[0]); + brw_MOV(p, brw_message_reg(3), src[1]); + brw_MOV(p, brw_message_reg(4), src[2]); + break; + } + brw_MOV(p, brw_message_reg(5), src[3]); + brw_MOV(p, brw_message_reg(6), brw_imm_f(0)); + brw_SAMPLE(p, + retype(vec8(dst[0]), BRW_REGISTER_TYPE_UW), + 1, + retype(payload_reg, BRW_REGISTER_TYPE_UW), + inst->TexSrcUnit + 1, /* surface */ + inst->TexSrcUnit, /* sampler */ + inst->DstReg.WriteMask, + BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_BIAS, + 4, + 4, + 0); +} + +static void emit_tex(struct brw_wm_compile *c, + struct prog_instruction *inst) +{ + struct brw_compile *p = &c->func; + struct brw_reg dst[4], src[4], payload_reg; + GLuint msg_len; + GLuint i, nr; + GLuint emit; + + payload_reg = get_reg(c, PROGRAM_PAYLOAD, PAYLOAD_DEPTH, 0, 1, 0, 0); + for (i = 0; i < 4; i++) + dst[i] = get_dst_reg(c, inst, i, 1); + for (i = 0; i < 4; i++) + src[i] = get_src_reg(c, &inst->SrcReg[0], i, 1); + + + switch (inst->TexSrcTarget) { + case TEXTURE_1D_INDEX: + emit = WRITEMASK_X; + nr = 1; + break; + case TEXTURE_2D_INDEX: + case TEXTURE_RECT_INDEX: + emit = WRITEMASK_XY; + nr = 2; + break; + default: + emit = WRITEMASK_XYZ; + nr = 3; + break; + } + msg_len = 1; + + for (i = 0; i < nr; i++) { + static const GLuint swz[4] = {0,1,2,2}; + if (emit & (1<TexSrcUnit + 1, /* surface */ + inst->TexSrcUnit, /* sampler */ + inst->DstReg.WriteMask, + BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE, + 4, + 4, + 0); +} + +static void post_wm_emit( struct brw_wm_compile *c ) +{ + GLuint nr_insns = c->fp->program.Base.NumInstructions; + GLuint insn, target_insn; + struct prog_instruction *inst1, *inst2; + struct brw_instruction *brw_inst1, *brw_inst2; + int offset; + for (insn = 0; insn < nr_insns; insn++) { + inst1 = &c->fp->program.Base.Instructions[insn]; + brw_inst1 = inst1->Data; + switch (inst1->Opcode) { + case OPCODE_CAL: + target_insn = inst1->BranchTarget; + inst2 = &c->fp->program.Base.Instructions[target_insn]; + brw_inst2 = inst2->Data; + offset = brw_inst2 - brw_inst1; + brw_set_src1(brw_inst1, brw_imm_d(offset*16)); + break; + default: + break; + } + } +} + +static void brw_wm_emit_glsl(struct brw_wm_compile *c) + +{ +#define MAX_IFSN 32 +#define MAX_LOOP_DEPTH 32 + struct brw_instruction *if_inst[MAX_IFSN], *loop_inst[MAX_LOOP_DEPTH]; + struct brw_instruction *inst0, *inst1; + int i, if_insn = 0, loop_insn = 0; + struct brw_compile *p = &c->func; + brw_init_compile(&c->func); + c->reg_index = 0; + prealloc_reg(c); + brw_set_compression_control(p, BRW_COMPRESSION_NONE); + for (i = 0; i < c->nr_fp_insns; i++) { + struct prog_instruction *inst = &c->prog_instructions[i]; + struct prog_instruction *orig_inst; + + if ((orig_inst = inst->Data) != 0) + orig_inst->Data = current_insn(p); + + switch (inst->Opcode) { + case WM_PIXELXY: + emit_pixel_xy(c, inst); + break; + case WM_DELTAXY: + emit_delta_xy(c, inst); + break; + case WM_PIXELW: + emit_pixel_w(c, inst); + break; + case WM_LINTERP: + emit_linterp(c, inst); + break; + case WM_PINTERP: + emit_pinterp(c, inst); + break; + case WM_CINTERP: + emit_cinterp(c, inst); + break; + case WM_FB_WRITE: + emit_fb_write(c, inst); + break; + case OPCODE_ABS: + emit_abs(c, inst); + break; + case OPCODE_ADD: + emit_add(c, inst); + break; + case OPCODE_SUB: + emit_sub(c, inst); + break; + case OPCODE_FRC: + emit_frc(c, inst); + break; + case OPCODE_FLR: + emit_flr(c, inst); + break; + case OPCODE_LRP: + emit_lrp(c, inst); + break; + case OPCODE_MOV: + emit_mov(c, inst); + break; + case OPCODE_DP3: + emit_dp3(c, inst); + break; + case OPCODE_DP4: + emit_dp4(c, inst); + break; + case OPCODE_XPD: + emit_xpd(c, inst); + break; + case OPCODE_DPH: + emit_dph(c, inst); + break; + case OPCODE_RCP: + emit_rcp(c, inst); + break; + case OPCODE_RSQ: + emit_rsq(c, inst); + break; + case OPCODE_SIN: + emit_sin(c, inst); + break; + case OPCODE_COS: + emit_cos(c, inst); + break; + case OPCODE_EX2: + emit_ex2(c, inst); + break; + case OPCODE_LG2: + emit_lg2(c, inst); + break; + case OPCODE_MAX: + emit_max(c, inst); + break; + case OPCODE_MIN: + emit_min(c, inst); + break; + case OPCODE_SLT: + emit_slt(c, inst); + break; + case OPCODE_SLE: + emit_sle(c, inst); + break; + case OPCODE_SGT: + emit_sgt(c, inst); + break; + case OPCODE_SGE: + emit_sge(c, inst); + break; + case OPCODE_SEQ: + emit_seq(c, inst); + break; + case OPCODE_SNE: + emit_sne(c, inst); + break; + case OPCODE_MUL: + emit_mul(c, inst); + break; + case OPCODE_POW: + emit_pow(c, inst); + break; + case OPCODE_MAD: + emit_mad(c, inst); + break; + case OPCODE_TEX: + emit_tex(c, inst); + break; + case OPCODE_TXB: + emit_txb(c, inst); + break; + case OPCODE_IF: + assert(if_insn < MAX_IFSN); + if_inst[if_insn++] = brw_IF(p, BRW_EXECUTE_8); + break; + case OPCODE_ELSE: + if_inst[if_insn-1] = brw_ELSE(p, if_inst[if_insn-1]); + break; + case OPCODE_ENDIF: + assert(if_insn > 0); + brw_ENDIF(p, if_inst[--if_insn]); + break; + case OPCODE_BGNSUB: + case OPCODE_ENDSUB: + break; + case OPCODE_CAL: + brw_push_insn_state(p); + brw_set_mask_control(p, BRW_MASK_DISABLE); + brw_set_predicate_control(p, BRW_PREDICATE_NONE); + brw_ADD(p, c->ret_reg, brw_ip_reg(), brw_imm_d(2*16)); + orig_inst = inst->Data; + orig_inst->Data = current_insn(p); + brw_ADD(p, brw_ip_reg(), brw_ip_reg(), brw_imm_d(1*16)); + brw_pop_insn_state(p); + break; + case OPCODE_RET: + brw_push_insn_state(p); + brw_set_mask_control(p, BRW_MASK_DISABLE); + brw_set_predicate_control(p, BRW_PREDICATE_NONE); + brw_MOV(p, brw_ip_reg(), c->ret_reg); + brw_pop_insn_state(p); + break; + case OPCODE_BGNLOOP: + loop_inst[loop_insn++] = brw_DO(p, BRW_EXECUTE_8); + break; + case OPCODE_BRK: + brw_set_predicate_control(p, BRW_PREDICATE_NORMAL); + brw_BREAK(p); + brw_set_predicate_control(p, BRW_PREDICATE_NONE); + break; + case OPCODE_ENDLOOP: + loop_insn--; + inst0 = inst1 = brw_WHILE(p, loop_inst[loop_insn]); + /* patch all the BREAK instructions from + last BEGINLOOP */ + while (inst0 > loop_inst[loop_insn]) { + inst0--; + if (inst0->header.opcode == BRW_OPCODE_BREAK) { + inst0->bits3.if_else.jump_count = inst1 - inst0 + 1; + inst0->bits3.if_else.pop_count = 0; + } + } + break; + default: + _mesa_printf("unsupported IR in fragment shader %d\n", + inst->Opcode); + } + } + post_wm_emit(c); +} + +void brw_wm_glsl_emit(struct brw_wm_compile *c) +{ + brw_wm_pass_fp(c); + c->tmp_index = 127; + brw_wm_emit_glsl(c); + c->prog_data.total_grf = c->reg_index; + c->prog_data.total_scratch = 0; +} diff --git a/src/mesa/drivers/dri/i965/brw_wm_pass2.c b/src/mesa/drivers/dri/i965/brw_wm_pass2.c index a1edbd6168d..c1ce6a9b6b5 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_pass2.c +++ b/src/mesa/drivers/dri/i965/brw_wm_pass2.c @@ -328,7 +328,7 @@ void brw_wm_pass2( struct brw_wm_compile *c ) c->state = PASS2_DONE; if (INTEL_DEBUG & DEBUG_WM) { - brw_wm_print_program(c, "pass2/done"); + brw_wm_print_program(c, "pass2/done"); } } diff --git a/src/mesa/drivers/dri/i965/brw_wm_state.c b/src/mesa/drivers/dri/i965/brw_wm_state.c index ff5cb31bdd1..401864fc4e1 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_state.c +++ b/src/mesa/drivers/dri/i965/brw_wm_state.c @@ -34,6 +34,7 @@ #include "brw_context.h" #include "brw_state.h" #include "brw_defines.h" +#include "brw_wm.h" #include "bufmgr.h" /*********************************************************************** @@ -134,9 +135,13 @@ static void upload_wm_unit(struct brw_context *brw ) if (fp->UsesKill || brw->attribs.Color->AlphaEnabled) wm.wm5.program_uses_killpixel = 1; + + if (brw_wm_is_glsl(fp)) + wm.wm5.enable_8_pix = 1; + else + wm.wm5.enable_16_pix = 1; } - wm.wm5.enable_16_pix = 1; wm.wm5.thread_dispatch_enable = 1; /* AKA: color_write */ wm.wm5.legacy_line_rast = 0; wm.wm5.legacy_global_depth_bias = 0; -- 2.30.2