diff options
Diffstat (limited to 'src/gallium/drivers/i965/brw_wm_fp.c')
| -rw-r--r-- | src/gallium/drivers/i965/brw_wm_fp.c | 1031 |
1 files changed, 367 insertions, 664 deletions
diff --git a/src/gallium/drivers/i965/brw_wm_fp.c b/src/gallium/drivers/i965/brw_wm_fp.c index d5947307301..8ba037cdae7 100644 --- a/src/gallium/drivers/i965/brw_wm_fp.c +++ b/src/gallium/drivers/i965/brw_wm_fp.c @@ -30,9 +30,8 @@ */ -#include "pipe/p_shader_constants.h" +#include "pipe/p_shader_tokens.h" -#include "brw_context.h" #include "brw_wm.h" #include "brw_util.h" @@ -43,7 +42,7 @@ #define W 3 -static const char *wm_opcode_strings[] = { +static const char *wm_opcode_strings[] = { "PIXELXY", "DELTAXY", "PIXELW", @@ -57,143 +56,6 @@ static const char *wm_opcode_strings[] = { -/*********************************************************************** - * Source regs - */ - -static struct prog_src_register src_reg(GLuint file, GLuint idx) -{ - struct prog_src_register reg; - reg.File = file; - reg.Index = idx; - reg.Swizzle = SWIZZLE_NOOP; - reg.RelAddr = 0; - reg.Negate = NEGATE_NONE; - reg.Abs = 0; - return reg; -} - -static struct prog_src_register src_reg_from_dst(struct prog_dst_register dst) -{ - return src_reg(dst.File, dst.Index); -} - -static struct prog_src_register src_undef( void ) -{ - return src_reg(PROGRAM_UNDEFINED, 0); -} - -static GLboolean src_is_undef(struct prog_src_register src) -{ - return src.File == PROGRAM_UNDEFINED; -} - -static struct prog_src_register src_swizzle( struct prog_src_register reg, int x, int y, int z, int w ) -{ - reg.Swizzle = MAKE_SWIZZLE4(x,y,z,w); - return reg; -} - -static struct prog_src_register src_swizzle1( struct prog_src_register reg, int x ) -{ - return src_swizzle(reg, x, x, x, x); -} - -static struct prog_src_register src_swizzle4( struct prog_src_register reg, uint swizzle ) -{ - reg.Swizzle = swizzle; - return reg; -} - - -/*********************************************************************** - * Dest regs - */ - -static struct prog_dst_register dst_reg(GLuint file, GLuint idx) -{ - struct prog_dst_register reg; - reg.File = file; - reg.Index = idx; - reg.WriteMask = BRW_WRITEMASK_XYZW; - reg.RelAddr = 0; - reg.CondMask = COND_TR; - reg.CondSwizzle = 0; - reg.CondSrc = 0; - reg.pad = 0; - return reg; -} - -static struct prog_dst_register dst_mask( struct prog_dst_register reg, int mask ) -{ - reg.WriteMask &= mask; - return reg; -} - -static struct prog_dst_register dst_undef( void ) -{ - return dst_reg(PROGRAM_UNDEFINED, 0); -} - - - -static struct prog_dst_register get_temp( struct brw_wm_compile *c ) -{ - int bit = _mesa_ffs( ~c->fp_temp ); - - if (!bit) { - debug_printf("%s: out of temporaries\n", __FILE__); - exit(1); - } - - c->fp_temp |= 1<<(bit-1); - return dst_reg(PROGRAM_TEMPORARY, c->first_internal_temp+(bit-1)); -} - - -static void release_temp( struct brw_wm_compile *c, struct prog_dst_register temp ) -{ - c->fp_temp &= ~(1 << (temp.Index - c->first_internal_temp)); -} - - -/*********************************************************************** - * Instructions - */ - -static struct prog_instruction *get_fp_inst(struct brw_wm_compile *c) -{ - return &c->prog_instructions[c->nr_fp_insns++]; -} - -static struct prog_instruction *emit_insn(struct brw_wm_compile *c, - const struct prog_instruction *inst0) -{ - struct prog_instruction *inst = get_fp_inst(c); - *inst = *inst0; - return inst; -} - -static struct prog_instruction * emit_op(struct brw_wm_compile *c, - GLuint op, - struct prog_dst_register dest, - GLuint saturate, - struct prog_src_register src0, - struct prog_src_register src1, - struct prog_src_register src2 ) -{ - struct prog_instruction *inst = get_fp_inst(c); - - memset(inst, 0, sizeof(*inst)); - - inst->Opcode = op; - inst->DstReg = dest; - inst->SaturateMode = saturate; - inst->SrcReg[0] = src0; - inst->SrcReg[1] = src1; - inst->SrcReg[2] = src2; - return inst; -} /* Many opcodes produce the same value across all the result channels. @@ -202,32 +64,28 @@ static struct prog_instruction * emit_op(struct brw_wm_compile *c, * anyway. We can easily get both by emitting the opcode to one channel, and * then MOVing it to the others, which brw_wm_pass*.c already understands. */ -static struct prog_instruction *emit_scalar_insn(struct brw_wm_compile *c, - const struct prog_instruction *inst0) -{ - struct prog_instruction *inst; - unsigned int dst_chan; - unsigned int other_channel_mask; - - if (inst0->DstReg.WriteMask == 0) - return NULL; - - dst_chan = _mesa_ffs(inst0->DstReg.WriteMask) - 1; - inst = get_fp_inst(c); - *inst = *inst0; - inst->DstReg.WriteMask = 1 << dst_chan; - - other_channel_mask = inst0->DstReg.WriteMask & ~(1 << dst_chan); - if (other_channel_mask != 0) { - inst = emit_op(c, - TGSI_OPCODE_MOV, - dst_mask(inst0->DstReg, other_channel_mask), - 0, - src_swizzle1(src_reg_from_dst(inst0->DstReg), dst_chan), - src_undef(), - src_undef()); +static void emit_scalar_insn(struct brw_wm_compile *c, + unsigned opcode, + struct brw_dst dst, + struct brw_src src0, + struct brw_src src1, + struct brw_src src2 ) +{ + unsigned first_chan = ffs(dst.writemask) - 1; + unsigned first_mask = 1 << first_chan; + + if (dst.writemask == 0) + return; + + emit_op( c, opcode, + brw_writemask(dst, first_mask), + src0, src1, src2 ); + + if (dst.writemask != first_mask) { + emit_op1(c, TGSI_OPCODE_MOV, + brw_writemask(dst, ~first_mask), + src_swizzle1(brw_src(dst), first_chan)); } - return inst; } @@ -235,11 +93,11 @@ static struct prog_instruction *emit_scalar_insn(struct brw_wm_compile *c, * Special instructions for interpolation and other tasks */ -static struct prog_src_register get_pixel_xy( struct brw_wm_compile *c ) +static struct ureg_src get_pixel_xy( struct brw_wm_compile *c ) { if (src_is_undef(c->pixel_xy)) { - struct prog_dst_register pixel_xy = get_temp(c); - struct prog_src_register payload_r0_depth = src_reg(PROGRAM_PAYLOAD, PAYLOAD_DEPTH); + struct ureg_dst pixel_xy = get_temp(c); + struct ureg_src payload_r0_depth = src_reg(TGSI_FILE_PAYLOAD, PAYLOAD_DEPTH); /* Emit the out calculations, and hold onto the results. Use @@ -250,7 +108,6 @@ static struct prog_src_register get_pixel_xy( struct brw_wm_compile *c ) emit_op(c, WM_PIXELXY, dst_mask(pixel_xy, BRW_WRITEMASK_XY), - 0, payload_r0_depth, src_undef(), src_undef()); @@ -261,19 +118,18 @@ static struct prog_src_register get_pixel_xy( struct brw_wm_compile *c ) return c->pixel_xy; } -static struct prog_src_register get_delta_xy( struct brw_wm_compile *c ) +static struct ureg_src get_delta_xy( struct brw_wm_compile *c ) { if (src_is_undef(c->delta_xy)) { - struct prog_dst_register delta_xy = get_temp(c); - struct prog_src_register pixel_xy = get_pixel_xy(c); - struct prog_src_register payload_r0_depth = src_reg(PROGRAM_PAYLOAD, PAYLOAD_DEPTH); + struct ureg_dst delta_xy = get_temp(c); + struct ureg_src pixel_xy = get_pixel_xy(c); + struct ureg_src payload_r0_depth = src_reg(TGSI_FILE_PAYLOAD, PAYLOAD_DEPTH); /* deltas.xy = DELTAXY pixel_xy, payload[0] */ emit_op(c, WM_DELTAXY, dst_mask(delta_xy, BRW_WRITEMASK_XY), - 0, pixel_xy, payload_r0_depth, src_undef()); @@ -284,19 +140,18 @@ static struct prog_src_register get_delta_xy( struct brw_wm_compile *c ) return c->delta_xy; } -static struct prog_src_register get_pixel_w( struct brw_wm_compile *c ) +static struct ureg_src get_pixel_w( struct brw_wm_compile *c ) { if (src_is_undef(c->pixel_w)) { - struct prog_dst_register pixel_w = get_temp(c); - struct prog_src_register deltas = get_delta_xy(c); - struct prog_src_register interp_wpos = src_reg(PROGRAM_PAYLOAD, FRAG_ATTRIB_WPOS); + struct ureg_dst pixel_w = get_temp(c); + struct ureg_src deltas = get_delta_xy(c); + struct ureg_src interp_wpos = src_reg(TGSI_FILE_PAYLOAD, FRAG_ATTRIB_WPOS); /* deltas.xyw = DELTAS2 deltas.xy, payload.interp_wpos.x */ emit_op(c, WM_PIXELW, dst_mask(pixel_w, BRW_WRITEMASK_W), - 0, interp_wpos, deltas, src_undef()); @@ -313,9 +168,9 @@ static void emit_interp( struct brw_wm_compile *c, GLuint semantic_index, GLuint interp_mode ) { - struct prog_dst_register dst = dst_reg(PROGRAM_INPUT, idx); - struct prog_src_register interp = src_reg(PROGRAM_PAYLOAD, idx); - struct prog_src_register deltas = get_delta_xy(c); + struct ureg_dst dst = dst_reg(TGSI_FILE_INPUT, idx); + struct ureg_src interp = src_reg(TGSI_FILE_PAYLOAD, idx); + struct ureg_src deltas = get_delta_xy(c); /* Need to use PINTERP on attributes which have been * multiplied by 1/W in the SF program, and LINTERP on those @@ -325,271 +180,197 @@ static void emit_interp( struct brw_wm_compile *c, case FRAG_ATTRIB_WPOS: /* Have to treat wpos.xy specially: */ - emit_op(c, + emit_op1(c, WM_WPOSXY, dst_mask(dst, BRW_WRITEMASK_XY), - 0, - get_pixel_xy(c), - src_undef(), - src_undef()); + get_pixel_xy(c)); - dst = dst_mask(dst, BRW_WRITEMASK_ZW); - - /* PROGRAM_INPUT.attr.xyzw = INTERP payload.interp[attr].x, deltas.xyw + /* TGSI_FILE_INPUT.attr.xyzw = INTERP payload.interp[attr].x, deltas.xyw */ - emit_op(c, - WM_LINTERP, - dst, - 0, - interp, - deltas, - src_undef()); + emit_op2(c, + WM_LINTERP, + dst_mask(dst, BRW_WRITEMASK_ZW), + interp, + deltas); break; case TGSI_SEMANTIC_COLOR: if (c->key.flat_shade) { - emit_op(c, + emit_op1(c, WM_CINTERP, dst, - 0, - interp, - src_undef(), - src_undef()); + interp); + } + else if (interp_mode == TGSI_INTERPOLATE_LINEAR) { + emit_op2(c, + WM_LINTERP, + dst, + interp, + deltas); } else { - emit_op(c, - translate_interp_mode(interp_mode), - dst, - 0, - interp, - deltas, - src_undef()); + emit_op3(c, + WM_PINTERP, + dst, + interp, + deltas, + get_pixel_w(c)); } + break; case FRAG_ATTRIB_FOGC: /* Interpolate the fog coordinate */ - emit_op(c, + emit_op3(c, WM_PINTERP, dst_mask(dst, BRW_WRITEMASK_X), - 0, interp, deltas, get_pixel_w(c)); - emit_op(c, + emit_op1(c, TGSI_OPCODE_MOV, - dst_mask(dst, BRW_WRITEMASK_YZW), - 0, - src_swizzle(interp, - SWIZZLE_ZERO, - SWIZZLE_ZERO, - SWIZZLE_ZERO, - SWIZZLE_ONE), - src_undef(), - src_undef()); + dst_mask(dst, BRW_WRITEMASK_YZ), + brw_imm1f(0.0)); + + emit_op1(c, + TGSI_OPCODE_MOV, + dst_mask(dst, BRW_WRITEMASK_W), + brw_imm1f(1.0)); break; case FRAG_ATTRIB_FACE: /* XXX review/test this case */ - emit_op(c, - WM_FRONTFACING, - dst_mask(dst, BRW_WRITEMASK_X), - 0, - src_undef(), - src_undef(), - src_undef()); + emit_op0(c, + WM_FRONTFACING, + dst_mask(dst, BRW_WRITEMASK_X)); + + emit_op1(c, + TGSI_OPCODE_MOV, + dst_mask(dst, BRW_WRITEMASK_YZ), + brw_imm1f(0.0)); + + emit_op1(c, + TGSI_OPCODE_MOV, + dst_mask(dst, BRW_WRITEMASK_W), + brw_imm1f(1.0)); break; case FRAG_ATTRIB_PNTC: /* XXX review/test this case */ - emit_op(c, - WM_PINTERP, - dst_mask(dst, BRW_WRITEMASK_XY), - 0, - interp, - deltas, - get_pixel_w(c)); - - emit_op(c, + emit_op3(c, + WM_PINTERP, + dst_mask(dst, BRW_WRITEMASK_XY), + interp, + deltas, + get_pixel_w(c)); + + emit_op1(c, TGSI_OPCODE_MOV, - dst_mask(dst, BRW_WRITEMASK_ZW), - 0, - src_swizzle(interp, - SWIZZLE_ZERO, - SWIZZLE_ZERO, - SWIZZLE_ZERO, - SWIZZLE_ONE), - src_undef(), - src_undef()); - break; + dst_mask(dst, BRW_WRITEMASK_Z), + brw_imm1f(c->pass_fp, 0.0f)); - default: - emit_op(c, - translate_interp_mode(interp_mode), - dst, - 0, - interp, - deltas, - get_pixel_w(c)); + emit_op1(c, + TGSI_OPCODE_MOV, + dst_mask(dst, BRW_WRITEMASK_W), + brw_imm1f(c->pass_fp, 1.0f)); break; - } -} - -/*********************************************************************** - * Hacks to extend the program parameter and constant lists. - */ - -/* Add the fog parameters to the parameter list of the original - * program, rather than creating a new list. Doesn't really do any - * harm and it's not as if the parameter handling isn't a big hack - * anyway. - */ -static struct prog_src_register search_or_add_param5(struct brw_wm_compile *c, - GLint s0, - GLint s1, - GLint s2, - GLint s3, - GLint s4) -{ - struct gl_program_parameter_list *paramList = c->fp->program.Base.Parameters; - gl_state_index tokens[STATE_LENGTH]; - GLuint idx; - tokens[0] = s0; - tokens[1] = s1; - tokens[2] = s2; - tokens[3] = s3; - tokens[4] = s4; - - for (idx = 0; idx < paramList->NumParameters; idx++) { - if (paramList->Parameters[idx].Type == PROGRAM_STATE_VAR && - memcmp(paramList->Parameters[idx].StateIndexes, tokens, sizeof(tokens)) == 0) - return src_reg(PROGRAM_STATE_VAR, idx); - } - - idx = _mesa_add_state_reference( paramList, tokens ); - - return src_reg(PROGRAM_STATE_VAR, idx); -} + default: + switch (interp_mode) { + case TGSI_INTERPOLATE_CONSTANT: + emit_op1(c, + WM_CINTERP, + dst, + interp); + break; -static struct prog_src_register search_or_add_const4f( struct brw_wm_compile *c, - GLfloat s0, - GLfloat s1, - GLfloat s2, - GLfloat s3) -{ - struct gl_program_parameter_list *paramList = c->fp->program.Base.Parameters; - GLfloat values[4]; - GLuint idx; - GLuint swizzle; - - values[0] = s0; - values[1] = s1; - values[2] = s2; - values[3] = s3; - - /* Have to search, otherwise multiple compilations will each grow - * the parameter list. - */ - for (idx = 0; idx < paramList->NumParameters; idx++) { - if (paramList->Parameters[idx].Type == PROGRAM_CONSTANT && - memcmp(paramList->ParameterValues[idx], values, sizeof(values)) == 0) + case TGSI_INTERPOLATE_LINEAR: + emit_op2(c, + WM_LINTERP, + dst, + interp, + deltas); + break; - /* XXX: this mimics the mesa bug which puts all constants and - * parameters into the "PROGRAM_STATE_VAR" category: - */ - return src_reg(PROGRAM_STATE_VAR, idx); + case TGSI_INTERPOLATE_PERSPECTIVE: + emit_op3(c, + WM_PINTERP, + dst, + interp, + deltas, + get_pixel_w(c)); + break; + } + break; } - - idx = _mesa_add_unnamed_constant( paramList, values, 4, &swizzle ); - assert(swizzle == SWIZZLE_NOOP); /* Need to handle swizzle in reg setup */ - return src_reg(PROGRAM_STATE_VAR, idx); } - /*********************************************************************** * Expand various instructions here to simpler forms. */ static void precalc_dst( struct brw_wm_compile *c, - const struct prog_instruction *inst ) + struct brw_dst dst, + struct brw_src src0, + struct brw_src src1 ) { - struct prog_src_register src0 = inst->SrcReg[0]; - struct prog_src_register src1 = inst->SrcReg[1]; - struct prog_dst_register dst = inst->DstReg; - if (dst.WriteMask & BRW_WRITEMASK_Y) { /* dst.y = mul src0.y, src1.y */ - emit_op(c, - TGSI_OPCODE_MUL, - dst_mask(dst, BRW_WRITEMASK_Y), - inst->SaturateMode, - src0, - src1, - src_undef()); + emit_op2(c, + TGSI_OPCODE_MUL, + dst_mask(dst, BRW_WRITEMASK_Y), + src0, + src1); } if (dst.WriteMask & BRW_WRITEMASK_XZ) { struct prog_instruction *swz; GLuint z = GET_SWZ(src0.Swizzle, Z); - /* dst.xz = swz src0.1zzz + /* dst.z = mov src0.zzzz + */ + emit_op1(c, + TGSI_OPCODE_MOV, + dst_mask(dst, BRW_WRITEMASK_Z), + src_swizzle1(src0, Z)); + + /* dst.x = immf(1.0) */ - swz = emit_op(c, - TGSI_OPCODE_MOV, - dst_mask(dst, BRW_WRITEMASK_XZ), - inst->SaturateMode, - src_swizzle(src0, SWIZZLE_ONE, z, z, z), - src_undef(), - src_undef()); - /* Avoid letting negation flag of src0 affect our 1 constant. */ - swz->SrcReg[0].Negate &= ~NEGATE_X; + emit_op1(c, + TGSI_OPCODE_MOV, + brw_saturate(dst_mask(dst, BRW_WRITEMASK_X), 0), + src_immf(c, 1.0)); } if (dst.WriteMask & BRW_WRITEMASK_W) { /* dst.w = mov src1.w */ - emit_op(c, - TGSI_OPCODE_MOV, - dst_mask(dst, BRW_WRITEMASK_W), - inst->SaturateMode, - src1, - src_undef(), - src_undef()); + emit_op1(c, + TGSI_OPCODE_MOV, + dst_mask(dst, BRW_WRITEMASK_W), + src1); } } static void precalc_lit( struct brw_wm_compile *c, - const struct prog_instruction *inst ) + struct ureg_dst dst, + struct ureg_src src0 ) { - struct prog_src_register src0 = inst->SrcReg[0]; - struct prog_dst_register dst = inst->DstReg; - if (dst.WriteMask & BRW_WRITEMASK_XW) { - struct prog_instruction *swz; - - /* dst.xw = swz src0.1111 + /* dst.xw = imm(1.0f) */ - swz = emit_op(c, - TGSI_OPCODE_MOV, - dst_mask(dst, BRW_WRITEMASK_XW), - 0, - src_swizzle1(src0, SWIZZLE_ONE), - src_undef(), - src_undef()); - /* Avoid letting the negation flag of src0 affect our 1 constant. */ - swz->SrcReg[0].Negate = NEGATE_NONE; + emit_op1(c, + TGSI_OPCODE_MOV, + brw_saturate(brw_writemask(dst, BRW_WRITEMASK_XW), 0), + brw_imm1f(1.0f)); } if (dst.WriteMask & BRW_WRITEMASK_YZ) { - emit_op(c, - TGSI_OPCODE_LIT, - dst_mask(dst, BRW_WRITEMASK_YZ), - inst->SaturateMode, - src0, - src_undef(), - src_undef()); + emit_op1(c, + TGSI_OPCODE_LIT, + brw_writemask(dst, BRW_WRITEMASK_YZ), + src0); } } @@ -601,99 +382,62 @@ static void precalc_lit( struct brw_wm_compile *c, * instruction itself. */ static void precalc_tex( struct brw_wm_compile *c, - const struct prog_instruction *inst ) + struct brw_dst dst, + unsigned unit, + struct brw_src src0 ) { - struct prog_src_register coord; - struct prog_dst_register tmpcoord; - const GLuint unit = c->fp->program.Base.SamplerUnits[inst->TexSrcUnit]; + struct ureg_src coord = src_undef(); + struct ureg_dst tmp = dst_undef(); assert(unit < BRW_MAX_TEX_UNIT); + /* Cubemap: find longest component of coord vector and normalize + * it. + */ if (inst->TexSrcTarget == TEXTURE_CUBE_INDEX) { - struct prog_instruction *out; - struct prog_dst_register tmp0 = get_temp(c); - struct prog_src_register tmp0src = src_reg_from_dst(tmp0); - struct prog_dst_register tmp1 = get_temp(c); - struct prog_src_register tmp1src = src_reg_from_dst(tmp1); - struct prog_src_register src0 = inst->SrcReg[0]; - - /* find longest component of coord vector and normalize it */ - tmpcoord = get_temp(c); - coord = src_reg_from_dst(tmpcoord); - - /* tmpcoord = src0 (i.e.: coord = src0) */ - out = emit_op(c, TGSI_OPCODE_MOV, - tmpcoord, - 0, - src0, - src_undef(), - src_undef()); - out->SrcReg[0].Negate = NEGATE_NONE; - out->SrcReg[0].Abs = 1; - - /* tmp0 = MAX(coord.X, coord.Y) */ - emit_op(c, TGSI_OPCODE_MAX, - tmp0, - 0, - src_swizzle1(coord, X), - src_swizzle1(coord, Y), - src_undef()); - - /* tmp1 = MAX(tmp0, coord.Z) */ - emit_op(c, TGSI_OPCODE_MAX, - tmp1, - 0, - tmp0src, - src_swizzle1(coord, Z), - src_undef()); - - /* tmp0 = 1 / tmp1 */ - emit_op(c, TGSI_OPCODE_RCP, - dst_mask(tmp0, BRW_WRITEMASK_X), - 0, - tmp1src, - src_undef(), - src_undef()); - - /* tmpCoord = src0 * tmp0 */ - emit_op(c, TGSI_OPCODE_MUL, - tmpcoord, - 0, - src0, - src_swizzle1(tmp0src, SWIZZLE_X), - src_undef()); - - release_temp(c, tmp0); - release_temp(c, tmp1); + struct ureg_src tmpsrc; + + tmp = get_temp(c); + tmpsrc = brw_src(tmpcoord) + + /* tmp = abs(src0) */ + emit_op1(c, + TGSI_OPCODE_MOV, + tmp, + brw_abs(src0)); + + /* tmp.X = MAX(tmp.X, tmp.Y) */ + emit_op2(c, TGSI_OPCODE_MAX, + brw_writemask(tmp, BRW_WRITEMASK_X), + src_swizzle1(tmpsrc, X), + src_swizzle1(tmpsrc, Y)); + + /* tmp.X = MAX(tmp.X, tmp.Z) */ + emit_op2(c, TGSI_OPCODE_MAX, + brw_writemask(tmp, BRW_WRITEMASK_X), + tmpsrc, + src_swizzle1(tmpsrc, Z)); + + /* tmp.X = 1 / tmp.X */ + emit_op1(c, TGSI_OPCODE_RCP, + dst_mask(tmp, BRW_WRITEMASK_X), + tmpsrc); + + /* tmp = src0 * tmp.xxxx */ + emit_op2(c, TGSI_OPCODE_MUL, + tmp, + src0, + src_swizzle1(tmpsrc, SWIZZLE_X)); + + coord = tmpsrc; } else if (inst->TexSrcTarget == TEXTURE_RECT_INDEX) { - struct prog_src_register scale = - search_or_add_param5( c, - STATE_INTERNAL, - STATE_TEXRECT_SCALE, - unit, - 0,0 ); - - tmpcoord = get_temp(c); - - /* coord.xy = MUL inst->SrcReg[0], { 1/width, 1/height } + /* XXX: need a mechanism for internally generated constants. */ - emit_op(c, - TGSI_OPCODE_MUL, - tmpcoord, - 0, - inst->SrcReg[0], - src_swizzle(scale, - SWIZZLE_X, - SWIZZLE_Y, - SWIZZLE_ONE, - SWIZZLE_ONE), - src_undef()); - - coord = src_reg_from_dst(tmpcoord); + coord = src0; } else { - coord = inst->SrcReg[0]; + coord = src0; } /* Need to emit YUV texture conversions by hand. Probably need to @@ -704,58 +448,36 @@ static void precalc_tex( struct brw_wm_compile *c, if (c->key.yuvtex_mask & (1 << unit)) { /* convert ycbcr to RGBA */ GLboolean swap_uv = c->key.yuvtex_swap_mask & (1<<unit); - - /* - CONST C0 = { -.5, -.0625, -.5, 1.164 } - CONST C1 = { 1.596, -0.813, 2.018, -.391 } - UYV = TEX ... - UYV.xyz = ADD UYV, C0 - UYV.y = MUL UYV.y, C0.w - if (UV swaped) - RGB.xyz = MAD UYV.zzx, C1, UYV.y - else - RGB.xyz = MAD UYV.xxz, C1, UYV.y - RGB.y = MAD UYV.z, C1.w, RGB.y - */ - struct prog_dst_register dst = inst->DstReg; - struct prog_dst_register tmp = get_temp(c); - struct prog_src_register tmpsrc = src_reg_from_dst(tmp); - struct prog_src_register C0 = search_or_add_const4f( c, -.5, -.0625, -.5, 1.164 ); - struct prog_src_register C1 = search_or_add_const4f( c, 1.596, -0.813, 2.018, -.391 ); + struct ureg_dst dst = inst->DstReg; + struct ureg_dst tmp = get_temp(c); + struct ureg_src tmpsrc = src_reg_from_dst(tmp); + struct ureg_src C0 = ureg_imm4f( c->ureg, -.5, -.0625, -.5, 1.164 ); + struct ureg_src C1 = ureg_imm4f( c->ureg, 1.596, -0.813, 2.018, -.391 ); /* tmp = TEX ... */ emit_tex_op(c, TGSI_OPCODE_TEX, - tmp, - inst->SaturateMode, + brw_saturate(tmp, dst.Saturate), unit, inst->TexSrcTarget, - inst->TexShadow, coord, src_undef(), src_undef()); /* tmp.xyz = ADD TMP, C0 */ - emit_op(c, - TGSI_OPCODE_ADD, - dst_mask(tmp, BRW_WRITEMASK_XYZ), - 0, - tmpsrc, - C0, - src_undef()); + emit_op2(c, TGSI_OPCODE_ADD, + dst_mask(tmp, BRW_WRITEMASK_XYZ), + tmpsrc, + C0); /* YUV.y = MUL YUV.y, C0.w */ - - emit_op(c, - TGSI_OPCODE_MUL, - dst_mask(tmp, BRW_WRITEMASK_Y), - 0, - tmpsrc, - src_swizzle1(C0, W), - src_undef()); + emit_op2(c, TGSI_OPCODE_MUL, + dst_mask(tmp, BRW_WRITEMASK_Y), + tmpsrc, + src_swizzle1(C0, W)); /* * if (UV swaped) @@ -764,23 +486,22 @@ static void precalc_tex( struct brw_wm_compile *c, * RGB.xyz = MAD YUV.xxz, C1, YUV.y */ - emit_op(c, - TGSI_OPCODE_MAD, - dst_mask(dst, BRW_WRITEMASK_XYZ), - 0, - swap_uv?src_swizzle(tmpsrc, Z,Z,X,X):src_swizzle(tmpsrc, X,X,Z,Z), - C1, - src_swizzle1(tmpsrc, Y)); + emit_op3(c, TGSI_OPCODE_MAD, + dst_mask(dst, BRW_WRITEMASK_XYZ), + ( swap_uv ? + src_swizzle(tmpsrc, Z,Z,X,X) : + src_swizzle(tmpsrc, X,X,Z,Z)), + C1, + src_swizzle1(tmpsrc, Y)); /* RGB.y = MAD YUV.z, C1.w, RGB.y */ - emit_op(c, - TGSI_OPCODE_MAD, - dst_mask(dst, BRW_WRITEMASK_Y), - 0, - src_swizzle1(tmpsrc, Z), - src_swizzle1(C1, W), - src_swizzle1(src_reg_from_dst(dst), Y)); + emit_op3(c, + TGSI_OPCODE_MAD, + dst_mask(dst, BRW_WRITEMASK_Y), + src_swizzle1(tmpsrc, Z), + src_swizzle1(C1, W), + src_swizzle1(src_reg_from_dst(dst), Y)); release_temp(c, tmp); } @@ -789,29 +510,20 @@ static void precalc_tex( struct brw_wm_compile *c, emit_tex_op(c, TGSI_OPCODE_TEX, inst->DstReg, - inst->SaturateMode, unit, inst->TexSrcTarget, - inst->TexShadow, coord, src_undef(), src_undef()); } - /* For GL_EXT_texture_swizzle: */ - if (c->key.tex_swizzles[unit] != SWIZZLE_NOOP) { - /* swizzle the result of the TEX instruction */ - struct prog_src_register tmpsrc = src_reg_from_dst(inst->DstReg); - emit_op(c, TGSI_OPCODE_MOV, - inst->DstReg, - SATURATE_OFF, /* saturate already done above */ - src_swizzle4(tmpsrc, c->key.tex_swizzles[unit]), - src_undef(), - src_undef()); - } + /* XXX: add GL_EXT_texture_swizzle support to gallium -- by + * generating shader varients in mesa state tracker. + */ - if ((inst->TexSrcTarget == TEXTURE_RECT_INDEX) || - (inst->TexSrcTarget == TEXTURE_CUBE_INDEX)) + /* Release this temp if we ended up allocating it: + */ + if (!brw_dst_is_undef(tmpcoord)) release_temp(c, tmpcoord); } @@ -822,7 +534,7 @@ static void precalc_tex( struct brw_wm_compile *c, static GLboolean projtex( struct brw_wm_compile *c, const struct prog_instruction *inst ) { - const struct prog_src_register src = inst->SrcReg[0]; + const struct ureg_src src = inst->SrcReg[0]; GLboolean retVal; assert(inst->Opcode == TGSI_OPCODE_TXP); @@ -836,7 +548,7 @@ static GLboolean projtex( struct brw_wm_compile *c, */ if (inst->TexSrcTarget == TEXTURE_CUBE_INDEX) retVal = GL_FALSE; /* ut2004 gun rendering !?! */ - else if (src.File == PROGRAM_INPUT && + else if (src.File == TGSI_FILE_INPUT && GET_SWZ(src.Swizzle, W) == W && (c->key.proj_attrib_mask & (1 << src.Index)) == 0) retVal = GL_FALSE; @@ -853,10 +565,10 @@ static GLboolean projtex( struct brw_wm_compile *c, static void precalc_txp( struct brw_wm_compile *c, const struct prog_instruction *inst ) { - struct prog_src_register src0 = inst->SrcReg[0]; + struct ureg_src src0 = inst->SrcReg[0]; if (projtex(c, inst)) { - struct prog_dst_register tmp = get_temp(c); + struct ureg_dst tmp = get_temp(c); struct prog_instruction tmp_inst; /* tmp0.w = RCP inst.arg[0][3] @@ -864,7 +576,6 @@ static void precalc_txp( struct brw_wm_compile *c, emit_op(c, TGSI_OPCODE_RCP, dst_mask(tmp, BRW_WRITEMASK_W), - 0, src_swizzle1(src0, GET_SWZ(src0.Swizzle, W)), src_undef(), src_undef()); @@ -874,7 +585,6 @@ static void precalc_txp( struct brw_wm_compile *c, emit_op(c, TGSI_OPCODE_MUL, dst_mask(tmp, BRW_WRITEMASK_XYZ), - 0, src0, src_swizzle1(src_reg_from_dst(tmp), W), src_undef()); @@ -899,43 +609,30 @@ static void precalc_txp( struct brw_wm_compile *c, static void emit_fb_write( struct brw_wm_compile *c ) { - struct prog_src_register payload_r0_depth = src_reg(PROGRAM_PAYLOAD, PAYLOAD_DEPTH); - struct prog_src_register outdepth = src_reg(PROGRAM_OUTPUT, FRAG_RESULT_DEPTH); - struct prog_src_register outcolor; + struct ureg_src payload_r0_depth = src_reg(TGSI_FILE_PAYLOAD, PAYLOAD_DEPTH); + struct ureg_src outdepth = src_reg(TGSI_FILE_OUTPUT, FRAG_RESULT_DEPTH); + struct ureg_src outcolor; + struct prog_instruction *inst; GLuint i; - struct prog_instruction *inst, *last_inst; - struct brw_context *brw = c->func.brw; /* The inst->Aux field is used for FB write target and the EOT marker */ - if (brw->state.nr_color_regions > 1) { - for (i = 0 ; i < brw->state.nr_color_regions; i++) { - outcolor = src_reg(PROGRAM_OUTPUT, FRAG_RESULT_DATA0 + i); - last_inst = inst = emit_op(c, - WM_FB_WRITE, dst_mask(dst_undef(),0), 0, - outcolor, payload_r0_depth, outdepth); - inst->Aux = (i<<1); - if (c->fp_fragcolor_emitted) { - outcolor = src_reg(PROGRAM_OUTPUT, FRAG_RESULT_COLOR); - last_inst = inst = emit_op(c, WM_FB_WRITE, dst_mask(dst_undef(),0), - 0, outcolor, payload_r0_depth, outdepth); - inst->Aux = (i<<1); - } - } - last_inst->Aux |= 1; //eot - } - else { - /* if gl_FragData[0] is written, use it, else use gl_FragColor */ - if (c->fp->program.Base.OutputsWritten & (1 << FRAG_RESULT_DATA0)) - outcolor = src_reg(PROGRAM_OUTPUT, FRAG_RESULT_DATA0); - else - outcolor = src_reg(PROGRAM_OUTPUT, FRAG_RESULT_COLOR); - - inst = emit_op(c, WM_FB_WRITE, dst_mask(dst_undef(),0), - 0, outcolor, payload_r0_depth, outdepth); - inst->Aux = 1|(0<<1); + for (i = 0 ; i < c->key.nr_cbufs; i++) { + outcolor = find_output_by_semantic(c, TGSI_SEMANTIC_COLOR, i); + + inst = emit_op(c, WM_FB_WRITE, + dst_mask(dst_undef(), 0), + outcolor, + payload_r0_depth, + outdepth); + + inst->Aux = (i<<1); } + + /* Set EOT flag on last inst: + */ + inst->Aux |= 1; //eot } @@ -952,7 +649,7 @@ static void validate_src_regs( struct brw_wm_compile *c, GLuint i; for (i = 0; i < nr_args; i++) { - if (inst->SrcReg[i].File == PROGRAM_INPUT) { + if (inst->SrcReg[i].File == TGSI_FILE_INPUT) { GLuint idx = inst->SrcReg[i].Index; if (!(c->fp_interp_emitted & (1<<idx))) { emit_interp(c, idx); @@ -965,34 +662,86 @@ static void validate_src_regs( struct brw_wm_compile *c, static void validate_dst_regs( struct brw_wm_compile *c, const struct prog_instruction *inst ) { - if (inst->DstReg.File == PROGRAM_OUTPUT) { + if (inst->DstReg.File == TGSI_FILE_OUTPUT) { GLuint idx = inst->DstReg.Index; if (idx == FRAG_RESULT_COLOR) - c->fp_fragcolor_emitted = 1; + c->fp_fragcolor_emitted |= inst->DstReg.WriteMask; } } -static void print_insns( const struct prog_instruction *insn, - GLuint nr ) + + +static void emit_insn( struct brw_wm_compile *c, + const struct tgsi_full_instruction *inst ) { - GLuint i; - for (i = 0; i < nr; i++, insn++) { - debug_printf("%3d: ", i); - if (insn->Opcode < MAX_OPCODE) - _mesa_print_instruction(insn); - else if (insn->Opcode < MAX_WM_OPCODE) { - GLuint idx = insn->Opcode - MAX_OPCODE; - - _mesa_print_alu_instruction(insn, - wm_opcode_strings[idx], - 3); - } - else - debug_printf("965 Opcode %d\n", insn->Opcode); + + switch (inst->Opcode) { + case TGSI_OPCODE_ABS: + emit_op1(c, TGSI_OPCODE_MOV, + dst, + brw_abs(src[0])); + break; + + case TGSI_OPCODE_SUB: + emit_op2(c, TGSI_OPCODE_ADD, + dst, + src[0], + brw_negate(src[1])); + break; + + case TGSI_OPCODE_SCS: + emit_op1(c, TGSI_OPCODE_SCS, + brw_writemask(dst, BRW_WRITEMASK_XY), + src[0]); + break; + + case TGSI_OPCODE_DST: + precalc_dst(c, inst); + break; + + case TGSI_OPCODE_LIT: + precalc_lit(c, inst); + break; + + case TGSI_OPCODE_TEX: + precalc_tex(c, inst); + break; + + case TGSI_OPCODE_TXP: + precalc_txp(c, inst); + break; + + case TGSI_OPCODE_TXB: + out = emit_insn(c, inst); + out->TexSrcUnit = fp->program.Base.SamplerUnits[inst->TexSrcUnit]; + assert(out->TexSrcUnit < BRW_MAX_TEX_UNIT); + break; + + case TGSI_OPCODE_XPD: + emit_op2(c, TGSI_OPCODE_XPD, + brw_writemask(dst, BRW_WRITEMASK_XYZ), + src[0], + src[1]); + break; + + case TGSI_OPCODE_KIL: + emit_op1(c, TGSI_OPCODE_KIL, + brw_writemask(dst_undef(), 0), + src[0]); + break; + + case TGSI_OPCODE_END: + emit_fb_write(c); + break; + default: + if (brw_wm_is_scalar_result(inst->Opcode)) + emit_scalar_insn(c, opcode, dst, src[0], src[1], src[2]); + else + emit_op(c, opcode, dst, src[0], src[1], src[2]); + break; } } - /** * Initial pass for fragment program code generation. * This function is used by both the GLSL and non-GLSL paths. @@ -1004,108 +753,62 @@ void brw_wm_pass_fp( struct brw_wm_compile *c ) if (BRW_DEBUG & DEBUG_WM) { debug_printf("pre-fp:\n"); - _mesa_print_program(&fp->program.Base); - debug_printf("\n"); + tgsi_dump(fp->tokens, 0); } - c->pixel_xy = src_undef(); - c->delta_xy = src_undef(); - c->pixel_w = src_undef(); + c->pixel_xy = brw_src_undef(); + c->delta_xy = brw_src_undef(); + c->pixel_w = brw_src_undef(); c->nr_fp_insns = 0; c->fp->tex_units_used = 0x0; - /* Emit preamble instructions. This is where special instructions such as - * WM_CINTERP, WM_LINTERP, WM_PINTERP and WM_WPOSXY are emitted to - * compute shader inputs from varying vars. - */ - for (insn = 0; insn < fp->program.Base.NumInstructions; insn++) { - const struct prog_instruction *inst = &fp->program.Base.Instructions[insn]; - validate_src_regs(c, inst); - validate_dst_regs(c, inst); - } /* Loop over all instructions doing assorted simplifications and * transformations. */ - for (insn = 0; insn < fp->program.Base.NumInstructions; insn++) { - const struct prog_instruction *inst = &fp->program.Base.Instructions[insn]; - struct prog_instruction *out; - - /* Check for INPUT values, emit INTERP instructions where - * necessary: - */ - - switch (inst->Opcode) { - case TGSI_OPCODE_ABS: - out = emit_insn(c, inst); - out->Opcode = TGSI_OPCODE_MOV; - out->SrcReg[0].Negate = NEGATE_NONE; - out->SrcReg[0].Abs = 1; - break; - - case TGSI_OPCODE_SUB: - out = emit_insn(c, inst); - out->Opcode = TGSI_OPCODE_ADD; - out->SrcReg[1].Negate ^= NEGATE_XYZW; - break; - - case TGSI_OPCODE_SCS: - out = emit_insn(c, inst); - /* This should probably be done in the parser. + tgsi_parse_init( &parse, tokens ); + while( !tgsi_parse_end_of_tokens( &parse ) ) { + tgsi_parse_token( &parse ); + + switch( parse.FullToken.Token.Type ) { + case TGSI_TOKEN_TYPE_DECLARATION: + /* If branching shader, emit preamble instructions at decl time, as + * instruction order in the shader does not correspond to the order + * instructions are executed in the wild. + * + * This is where special instructions such as WM_CINTERP, + * WM_LINTERP, WM_PINTERP and WM_WPOSXY are emitted to compute + * shader inputs from varying vars. + * + * XXX: For non-branching shaders, consider deferring variable + * initialization as late as possible to minimize register + * usage. This is how the original BRW driver worked. */ - out->DstReg.WriteMask &= BRW_WRITEMASK_XY; - break; - - case TGSI_OPCODE_DST: - precalc_dst(c, inst); - break; - - case TGSI_OPCODE_LIT: - precalc_lit(c, inst); - break; - - case TGSI_OPCODE_TEX: - precalc_tex(c, inst); - break; - - case TGSI_OPCODE_TXP: - precalc_txp(c, inst); - break; - - case TGSI_OPCODE_TXB: - out = emit_insn(c, inst); - out->TexSrcUnit = fp->program.Base.SamplerUnits[inst->TexSrcUnit]; - assert(out->TexSrcUnit < BRW_MAX_TEX_UNIT); - break; - - case TGSI_OPCODE_XPD: - out = emit_insn(c, inst); - /* This should probably be done in the parser. + validate_src_regs(c, inst); + validate_dst_regs(c, inst); + break; + + case TGSI_TOKEN_TYPE_IMMEDIATE: + /* Unlike VS programs we can probably manage fine encoding + * immediate values directly into the emitted EU + * instructions, as we probably only need to reference one + * float value per instruction. Just save the data for now + * and use directly later. */ - out->DstReg.WriteMask &= BRW_WRITEMASK_XYZ; break; - case TGSI_OPCODE_KIL: - out = emit_insn(c, inst); - /* This should probably be done in the parser. - */ - out->DstReg.WriteMask = 0; - break; - case TGSI_OPCODE_END: - emit_fb_write(c); - break; - default: - if (brw_wm_is_scalar_result(inst->Opcode)) - emit_scalar_insn(c, inst); - else - emit_insn(c, inst); + case TGSI_TOKEN_TYPE_INSTRUCTION: + inst = &parse.FullToken.FullInstruction; + emit_insn( c, inst ); break; } } + c->brw_program = brw_finalize( c->builder ); + if (BRW_DEBUG & DEBUG_WM) { debug_printf("pass_fp:\n"); - print_insns( c->prog_instructions, c->nr_fp_insns ); + brw_print_program( c->brw_program ); debug_printf("\n"); } } |