diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/pipe/i965simple/brw_wm_fp.c | 1007 |
1 files changed, 0 insertions, 1007 deletions
diff --git a/src/mesa/pipe/i965simple/brw_wm_fp.c b/src/mesa/pipe/i965simple/brw_wm_fp.c deleted file mode 100644 index 20e90bc612..0000000000 --- a/src/mesa/pipe/i965simple/brw_wm_fp.c +++ /dev/null @@ -1,1007 +0,0 @@ -/* - Copyright (C) Intel Corp. 2006. All Rights Reserved. - Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to - develop this 3D driver. - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice (including the - next paragraph) shall be included in all copies or substantial - portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE - LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - - **********************************************************************/ - /* - * Authors: - * Keith Whitwell <keith@tungstengraphics.com> - */ - - -#include "brw_context.h" -#include "brw_wm.h" -#include "brw_util.h" - - -#define FIRST_INTERNAL_TEMP MAX_NV_FRAGMENT_PROGRAM_TEMPS - -#define X 0 -#define Y 1 -#define Z 2 -#define W 3 - - -static const char *wm_opcode_strings[] = { - "PIXELXY", - "DELTAXY", - "PIXELW", - "LINTERP", - "PINTERP", - "CINTERP", - "WPOSXY", - "FB_WRITE" -}; - -#if 0 -static const char *wm_file_strings[] = { - "PAYLOAD" -}; -#endif - - -/*********************************************************************** - * Source regs - */ -#if 0 -static struct prog_src_register src_reg(unsigned file, unsigned idx) -{ - struct prog_src_register reg; - reg.File = file; - reg.Index = idx; - reg.Swizzle = SWIZZLE_NOOP; - reg.RelAddr = 0; - reg.NegateBase = 0; - reg.Abs = 0; - reg.NegateAbs = 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 boolean 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); -} - - -/*********************************************************************** - * Dest regs - */ - -static struct prog_dst_register dst_reg(unsigned file, unsigned idx) -{ - struct prog_dst_register reg; - reg.File = file; - reg.Index = idx; - reg.WriteMask = WRITEMASK_XYZW; - reg.CondMask = 0; - reg.CondSwizzle = 0; - reg.pad = 0; - reg.CondSrc = 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 = ffs( ~c->fp_temp ); - - if (!bit) { - _mesa_printf("%s: out of temporaries\n", __FILE__); - exit(1); - } - - c->fp_temp |= 1<<(bit-1); - return dst_reg(PROGRAM_TEMPORARY, 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 + 1 - FIRST_INTERNAL_TEMP); -} - - -/*********************************************************************** - * Instructions - */ - -static const struct tgsi_token *get_fp_inst(struct brw_wm_compile *c) -{ - return &c->prog_instructions->tokens[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; - inst->Data = (void *)inst0; - return inst; -} - -static struct prog_instruction * emit_op(struct brw_wm_compile *c, - unsigned op, - struct prog_dst_register dest, - unsigned saturate, - unsigned tex_src_unit, - unsigned tex_src_target, - 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->TexSrcUnit = tex_src_unit; - inst->TexSrcTarget = tex_src_target; - inst->SrcReg[0] = src0; - inst->SrcReg[1] = src1; - inst->SrcReg[2] = src2; - return inst; -} - - - - -/*********************************************************************** - * Special instructions for interpolation and other tasks - */ - -static struct prog_src_register 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); - - - /* Emit the out calculations, and hold onto the results. Use - * two instructions as a temporary is required. - */ - /* pixel_xy.xy = PIXELXY payload[0]; - */ - emit_op(c, - WM_PIXELXY, - dst_mask(pixel_xy, WRITEMASK_XY), - 0, 0, 0, - payload_r0_depth, - src_undef(), - src_undef()); - - c->pixel_xy = src_reg_from_dst(pixel_xy); - } - - return c->pixel_xy; -} - -static struct prog_src_register 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); - - /* deltas.xy = DELTAXY pixel_xy, payload[0] - */ - emit_op(c, - WM_DELTAXY, - dst_mask(delta_xy, WRITEMASK_XY), - 0, 0, 0, - pixel_xy, - payload_r0_depth, - src_undef()); - - c->delta_xy = src_reg_from_dst(delta_xy); - } - - return c->delta_xy; -} - -static struct prog_src_register 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); - - - /* deltas.xyw = DELTAS2 deltas.xy, payload.interp_wpos.x - */ - emit_op(c, - WM_PIXELW, - dst_mask(pixel_w, WRITEMASK_W), - 0, 0, 0, - interp_wpos, - deltas, - src_undef()); - - - c->pixel_w = src_reg_from_dst(pixel_w); - } - - return c->pixel_w; -} - -static void emit_interp( struct brw_wm_compile *c, - unsigned idx ) -{ - 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 prog_src_register arg2; - unsigned opcode; - - /* Need to use PINTERP on attributes which have been - * multiplied by 1/W in the SF program, and LINTERP on those - * which have not: - */ - switch (idx) { - case FRAG_ATTRIB_WPOS: - opcode = WM_LINTERP; - arg2 = src_undef(); - - /* Have to treat wpos.xy specially: - */ - emit_op(c, - WM_WPOSXY, - dst_mask(dst, WRITEMASK_XY), - 0, 0, 0, - get_pixel_xy(c), - src_undef(), - src_undef()); - - dst = dst_mask(dst, WRITEMASK_ZW); - - /* PROGRAM_INPUT.attr.xyzw = INTERP payload.interp[attr].x, deltas.xyw - */ - emit_op(c, - WM_LINTERP, - dst, - 0, 0, 0, - interp, - deltas, - arg2); - break; - case FRAG_ATTRIB_COL0: - case FRAG_ATTRIB_COL1: - if (c->key.flat_shade) { - emit_op(c, - WM_CINTERP, - dst, - 0, 0, 0, - interp, - src_undef(), - src_undef()); - } - else { - emit_op(c, - WM_LINTERP, - dst, - 0, 0, 0, - interp, - deltas, - src_undef()); - } - break; - default: - emit_op(c, - WM_PINTERP, - dst, - 0, 0, 0, - interp, - deltas, - get_pixel_w(c)); - break; - } - - c->fp_interp_emitted |= 1<<idx; -} - -static void emit_ddx( struct brw_wm_compile *c, - const struct prog_instruction *inst ) -{ - unsigned idx = inst->SrcReg[0].Index; - struct prog_src_register interp = src_reg(PROGRAM_PAYLOAD, idx); - - c->fp_deriv_emitted |= 1<<idx; - emit_op(c, - OPCODE_DDX, - inst->DstReg, - 0, 0, 0, - interp, - get_pixel_w(c), - src_undef()); -} - -static void emit_ddy( struct brw_wm_compile *c, - const struct prog_instruction *inst ) -{ - unsigned idx = inst->SrcReg[0].Index; - struct prog_src_register interp = src_reg(PROGRAM_PAYLOAD, idx); - - c->fp_deriv_emitted |= 1<<idx; - emit_op(c, - OPCODE_DDY, - inst->DstReg, - 0, 0, 0, - interp, - get_pixel_w(c), - src_undef()); -} - -/*********************************************************************** - * 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, - int s0, - int s1, - int s2, - int s3, - int s4) -{ - struct gl_program_parameter_list *paramList = c->fp->program.Base.Parameters; - gl_state_index tokens[STATE_LENGTH]; - unsigned 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 ); - - /* Recalculate state dependency: - */ - c->fp->param_state = paramList->StateFlags; - - return src_reg(PROGRAM_STATE_VAR, idx); -} - - -static struct prog_src_register search_or_add_const4f( struct brw_wm_compile *c, - float s0, - float s1, - float s2, - float s3) -{ - struct gl_program_parameter_list *paramList = c->fp->program.Base.Parameters; - float values[4]; - unsigned idx; - unsigned 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) - - /* 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); - } - - idx = _mesa_add_unnamed_constant( paramList, values, 4, &swizzle ); - /* XXX what about swizzle? */ - 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 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 & WRITEMASK_Y) { - /* dst.y = mul src0.y, src1.y - */ - emit_op(c, - OPCODE_MUL, - dst_mask(dst, WRITEMASK_Y), - inst->SaturateMode, 0, 0, - src0, - src1, - src_undef()); - } - - - if (dst.WriteMask & WRITEMASK_XZ) { - unsigned z = GET_SWZ(src0.Swizzle, Z); - - /* dst.xz = swz src0.1zzz - */ - emit_op(c, - OPCODE_SWZ, - dst_mask(dst, WRITEMASK_XZ), - inst->SaturateMode, 0, 0, - src_swizzle(src0, SWIZZLE_ONE, z, z, z), - src_undef(), - src_undef()); - } - if (dst.WriteMask & WRITEMASK_W) { - /* dst.w = mov src1.w - */ - emit_op(c, - OPCODE_MOV, - dst_mask(dst, WRITEMASK_W), - inst->SaturateMode, 0, 0, - src1, - src_undef(), - src_undef()); - } -} - - -static void precalc_lit( struct brw_wm_compile *c, - const struct prog_instruction *inst ) -{ - struct prog_src_register src0 = inst->SrcReg[0]; - struct prog_dst_register dst = inst->DstReg; - - if (dst.WriteMask & WRITEMASK_XW) { - /* dst.xw = swz src0.1111 - */ - emit_op(c, - OPCODE_SWZ, - dst_mask(dst, WRITEMASK_XW), - 0, 0, 0, - src_swizzle1(src0, SWIZZLE_ONE), - src_undef(), - src_undef()); - } - - - if (dst.WriteMask & WRITEMASK_YZ) { - emit_op(c, - OPCODE_LIT, - dst_mask(dst, WRITEMASK_YZ), - inst->SaturateMode, 0, 0, - src0, - src_undef(), - src_undef()); - } -} - -static void precalc_tex( struct brw_wm_compile *c, - const struct prog_instruction *inst ) -{ - struct prog_src_register coord; - struct prog_dst_register tmpcoord; - - 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]; - - tmpcoord = get_temp(c); - coord = src_reg_from_dst(tmpcoord); - - out = emit_op(c, OPCODE_MOV, - tmpcoord, - 0, 0, 0, - src0, - src_undef(), - src_undef()); - out->SrcReg[0].NegateBase = 0; - out->SrcReg[0].Abs = 1; - - emit_op(c, OPCODE_MAX, - tmp0, - 0, 0, 0, - src_swizzle1(coord, X), - src_swizzle1(coord, Y), - src_undef()); - - emit_op(c, OPCODE_MAX, - tmp1, - 0, 0, 0, - tmp0src, - src_swizzle1(coord, Z), - src_undef()); - - emit_op(c, OPCODE_RCP, - tmp0, - 0, 0, 0, - tmp1src, - src_undef(), - src_undef()); - - emit_op(c, OPCODE_MUL, - tmpcoord, - 0, 0, 0, - src0, - tmp0src, - src_undef()); - - release_temp(c, tmp0); - release_temp(c, tmp1); - } else if (inst->TexSrcTarget == TEXTURE_RECT_INDEX) { - struct prog_src_register scale = - search_or_add_param5( c, - STATE_INTERNAL, - STATE_TEXRECT_SCALE, - inst->TexSrcUnit, - 0,0 ); - - tmpcoord = get_temp(c); - - /* coord.xy = MUL inst->SrcReg[0], { 1/width, 1/height } - */ - emit_op(c, - OPCODE_MUL, - tmpcoord, - 0, 0, 0, - inst->SrcReg[0], - scale, - src_undef()); - - coord = src_reg_from_dst(tmpcoord); - } - else { - coord = inst->SrcReg[0]; - } - - /* Need to emit YUV texture conversions by hand. Probably need to - * do this here - the alternative is in brw_wm_emit.c, but the - * conversion requires allocating a temporary variable which we - * don't have the facility to do that late in the compilation. - */ - if (!(c->key.yuvtex_mask & (1<<inst->TexSrcUnit))) { - emit_op(c, - OPCODE_TEX, - inst->DstReg, - inst->SaturateMode, - inst->TexSrcUnit, - inst->TexSrcTarget, - coord, - src_undef(), - src_undef()); - } - else { - /* - 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 - 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_src_register src0 = inst->SrcReg[0]; - 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 ); - - /* tmp = TEX ... - */ - emit_op(c, - OPCODE_TEX, - tmp, - inst->SaturateMode, - inst->TexSrcUnit, - inst->TexSrcTarget, - src0, - src_undef(), - src_undef()); - - /* tmp.xyz = ADD TMP, C0 - */ - emit_op(c, - OPCODE_ADD, - dst_mask(tmp, WRITEMASK_XYZ), - 0, 0, 0, - tmpsrc, - C0, - src_undef()); - - /* YUV.y = MUL YUV.y, C0.w - */ - emit_op(c, - OPCODE_MUL, - dst_mask(tmp, WRITEMASK_Y), - 0, 0, 0, - tmpsrc, - src_swizzle1(C0, W), - src_undef()); - - /* RGB.xyz = MAD YUV.xxz, C1, YUV.y - */ - emit_op(c, - OPCODE_MAD, - dst_mask(dst, WRITEMASK_XYZ), - 0, 0, 0, - src_swizzle(tmpsrc, X,X,Z,Z), - C1, - src_swizzle1(tmpsrc, Y)); - - /* RGB.y = MAD YUV.z, C1.w, RGB.y - */ - emit_op(c, - OPCODE_MAD, - dst_mask(dst, WRITEMASK_Y), - 0, 0, 0, - src_swizzle1(tmpsrc, Z), - src_swizzle1(C1, W), - src_swizzle1(src_reg_from_dst(dst), Y)); - - release_temp(c, tmp); - } - - if (inst->TexSrcTarget == GL_TEXTURE_RECTANGLE_NV) - release_temp(c, tmpcoord); -} - - -static boolean projtex( struct brw_wm_compile *c, - const struct prog_instruction *inst ) -{ - struct prog_src_register src = inst->SrcReg[0]; - - /* Only try to detect the simplest cases. Could detect (later) - * cases where we are trying to emit code like RCP {1.0}, MUL x, - * {1.0}, and so on. - * - * More complex cases than this typically only arise from - * user-provided fragment programs anyway: - */ - if (inst->TexSrcTarget == TEXTURE_CUBE_INDEX) - return 0; /* ut2004 gun rendering !?! */ - else if (src.File == PROGRAM_INPUT && - GET_SWZ(src.Swizzle, W) == W && - (c->key.projtex_mask & (1<<(src.Index + FRAG_ATTRIB_WPOS - FRAG_ATTRIB_TEX0))) == 0) - return 0; - else - return 1; -} - - -static void precalc_txp( struct brw_wm_compile *c, - const struct prog_instruction *inst ) -{ - struct prog_src_register src0 = inst->SrcReg[0]; - - if (projtex(c, inst)) { - struct prog_dst_register tmp = get_temp(c); - struct prog_instruction tmp_inst; - - /* tmp0.w = RCP inst.arg[0][3] - */ - emit_op(c, - OPCODE_RCP, - dst_mask(tmp, WRITEMASK_W), - 0, 0, 0, - src_swizzle1(src0, GET_SWZ(src0.Swizzle, W)), - src_undef(), - src_undef()); - - /* tmp0.xyz = MUL inst.arg[0], tmp0.wwww - */ - emit_op(c, - OPCODE_MUL, - dst_mask(tmp, WRITEMASK_XYZ), - 0, 0, 0, - src0, - src_swizzle1(src_reg_from_dst(tmp), W), - src_undef()); - - /* dst = precalc(TEX tmp0) - */ - tmp_inst = *inst; - tmp_inst.SrcReg[0] = src_reg_from_dst(tmp); - precalc_tex(c, &tmp_inst); - - release_temp(c, tmp); - } - else - { - /* dst = precalc(TEX src0) - */ - precalc_tex(c, inst); - } -} - - - - - -/*********************************************************************** - * Add instructions to perform fog blending - */ - -static void fog_blend( struct brw_wm_compile *c, - struct prog_src_register fog_factor ) -{ - struct prog_dst_register outcolor = dst_reg(PROGRAM_OUTPUT, FRAG_RESULT_COLR); - struct prog_src_register fogcolor = search_or_add_param5( c, STATE_FOG_COLOR, 0,0,0,0 ); - - /* color.xyz = LRP fog_factor.xxxx, output_color, fog_color */ - - emit_op(c, - OPCODE_LRP, - dst_mask(outcolor, WRITEMASK_XYZ), - 0, 0, 0, - fog_factor, - src_reg_from_dst(outcolor), - fogcolor); -} - - - -/* This one is simple - just take the interpolated fog coordinate and - * use it as the fog blend factor. - */ -static void fog_interpolated( struct brw_wm_compile *c ) -{ - struct prog_src_register fogc = src_reg(PROGRAM_INPUT, FRAG_ATTRIB_FOGC); - - if (!(c->fp_interp_emitted & (1<<FRAG_ATTRIB_FOGC))) - emit_interp(c, FRAG_ATTRIB_FOGC); - - fog_blend( c, src_swizzle1(fogc, GET_SWZ(fogc.Swizzle,X))); -} - -static void emit_fog( struct brw_wm_compile *c ) -{ - if (!c->fp->program.FogOption) - return; - - if (1) - fog_interpolated( c ); - else { - /* TODO: per-pixel fog */ - assert(0); - } -} - -static void emit_fb_write( struct brw_wm_compile *c ) -{ - struct prog_src_register outcolor = src_reg(PROGRAM_OUTPUT, FRAG_RESULT_COLR); - struct prog_src_register payload_r0_depth = src_reg(PROGRAM_PAYLOAD, PAYLOAD_DEPTH); - struct prog_src_register outdepth = src_reg(PROGRAM_OUTPUT, FRAG_RESULT_DEPR); - - emit_op(c, - WM_FB_WRITE, - dst_mask(dst_undef(),0), - 0, 0, 0, - outcolor, - payload_r0_depth, - outdepth); -} - - - - -/*********************************************************************** - * Emit INTERP instructions ahead of first use of each attrib. - */ - -static void validate_src_regs( struct brw_wm_compile *c, - const struct prog_instruction *inst ) -{ - unsigned nr_args = brw_wm_nr_args( inst->Opcode ); - unsigned i; - - for (i = 0; i < nr_args; i++) { - if (inst->SrcReg[i].File == PROGRAM_INPUT) { - unsigned idx = inst->SrcReg[i].Index; - if (!(c->fp_interp_emitted & (1<<idx))) { - emit_interp(c, idx); - } - } - } -} - - - -static void print_insns( const struct prog_instruction *insn, - unsigned nr ) -{ - unsigned i; - for (i = 0; i < nr; i++, insn++) { - _mesa_printf("%3d: ", i); - if (insn->Opcode < MAX_OPCODE) - _mesa_print_instruction(insn); - else if (insn->Opcode < MAX_WM_OPCODE) { - unsigned idx = insn->Opcode - MAX_OPCODE; - - _mesa_print_alu_instruction(insn, - wm_opcode_strings[idx], - 3); - } - else - _mesa_printf("UNKNOWN\n"); - - } -} -void brw_wm_pass_fp( struct brw_wm_compile *c ) -{ - struct brw_fragment_program *fp = c->fp; - unsigned insn; - if (BRW_DEBUG & DEBUG_WM) { - _mesa_printf("\n\n\npre-fp:\n"); - _mesa_print_program(&fp->program.Base); - _mesa_printf("\n"); - } - - c->pixel_xy = src_undef(); - c->delta_xy = src_undef(); - c->pixel_w = src_undef(); - c->nr_fp_insns = 0; - - /* Emit preamble instructions: - */ - - - 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: - */ - validate_src_regs(c, inst); - - - switch (inst->Opcode) { - case OPCODE_SWZ: - out = emit_insn(c, inst); - out->Opcode = OPCODE_MOV; - break; - - case OPCODE_ABS: - out = emit_insn(c, inst); - out->Opcode = OPCODE_MOV; - out->SrcReg[0].NegateBase = 0; - out->SrcReg[0].Abs = 1; - break; - - case OPCODE_SUB: - out = emit_insn(c, inst); - out->Opcode = OPCODE_ADD; - out->SrcReg[1].NegateBase ^= 0xf; - break; - - case OPCODE_SCS: - out = emit_insn(c, inst); - /* This should probably be done in the parser. - */ - out->DstReg.WriteMask &= WRITEMASK_XY; - break; - - case OPCODE_DST: - precalc_dst(c, inst); - break; - - case OPCODE_LIT: - precalc_lit(c, inst); - break; - - case OPCODE_TXP: - precalc_txp(c, inst); - break; - - case OPCODE_XPD: - out = emit_insn(c, inst); - /* This should probably be done in the parser. - */ - out->DstReg.WriteMask &= WRITEMASK_XYZ; - break; - - case OPCODE_KIL: - out = emit_insn(c, inst); - /* This should probably be done in the parser. - */ - out->DstReg.WriteMask = 0; - break; - case OPCODE_DDX: - emit_ddx(c, inst); - break; - case OPCODE_DDY: - emit_ddy(c, inst); - break; - case OPCODE_END: - emit_fog(c); - emit_fb_write(c); - break; - case OPCODE_PRINT: - break; - - default: - emit_insn(c, inst); - break; - } - } - - if (BRW_DEBUG & DEBUG_WM) { - _mesa_printf("\n\n\npass_fp:\n"); - print_insns( c->prog_instructions, c->nr_fp_insns ); - _mesa_printf("\n"); - } -} -#endif |