diff options
author | Nicolai Hähnle <nhaehnle@gmail.com> | 2009-10-07 20:45:08 +0200 |
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committer | Nicolai Hähnle <nhaehnle@gmail.com> | 2009-10-07 20:45:08 +0200 |
commit | 7ca7220ea1d31dbdbf1fe7e6f3e6cc4ff8b0abde (patch) | |
tree | a4e50f36da7c75c945a2418738e2a84af2b3789d /src/gallium/drivers/i965simple/brw_wm_decl.c | |
parent | 57abb76e1095d14f54ea8b8d0d2220e209b8656f (diff) | |
parent | 5b4c0b864a25fa193e7ba828cf5ce483ca05bd4e (diff) |
Merge branch 'master' into r300g-glsl
Conflicts:
src/gallium/drivers/r300/r300_tgsi_to_rc.c
Signed-off-by: Nicolai Hähnle <nhaehnle@gmail.com>
Diffstat (limited to 'src/gallium/drivers/i965simple/brw_wm_decl.c')
-rw-r--r-- | src/gallium/drivers/i965simple/brw_wm_decl.c | 392 |
1 files changed, 0 insertions, 392 deletions
diff --git a/src/gallium/drivers/i965simple/brw_wm_decl.c b/src/gallium/drivers/i965simple/brw_wm_decl.c deleted file mode 100644 index d50e66f613..0000000000 --- a/src/gallium/drivers/i965simple/brw_wm_decl.c +++ /dev/null @@ -1,392 +0,0 @@ - -#include "brw_context.h" -#include "brw_eu.h" -#include "brw_wm.h" -#include "util/u_math.h" -#include "util/u_memory.h" -#include "pipe/p_shader_tokens.h" -#include "tgsi/tgsi_parse.h" - -static struct brw_reg alloc_tmp(struct brw_wm_compile *c) -{ - c->tmp_index++; - c->reg_index = MAX2(c->reg_index, c->tmp_start + c->tmp_index); - return brw_vec8_grf(c->tmp_start + c->tmp_index, 0); -} - -static void release_tmps(struct brw_wm_compile *c) -{ - c->tmp_index = 0; -} - - - -static int is_null( struct brw_reg reg ) -{ - return (reg.file == BRW_ARCHITECTURE_REGISTER_FILE && - reg.nr == BRW_ARF_NULL); -} - -static void emit_pixel_xy( struct brw_wm_compile *c ) -{ - if (is_null(c->pixel_xy[0])) { - - struct brw_compile *p = &c->func; - struct brw_reg r1_uw = retype(brw_vec1_grf(1, 0), BRW_REGISTER_TYPE_UW); - - c->pixel_xy[0] = vec8(retype(alloc_tmp(c), BRW_REGISTER_TYPE_UW)); - c->pixel_xy[1] = vec8(retype(alloc_tmp(c), BRW_REGISTER_TYPE_UW)); - - /* Calculate pixel centers by adding 1 or 0 to each of the - * micro-tile coordinates passed in r1. - */ - brw_ADD(p, - c->pixel_xy[0], - stride(suboffset(r1_uw, 4), 2, 4, 0), - brw_imm_v(0x10101010)); - - brw_ADD(p, - c->pixel_xy[1], - stride(suboffset(r1_uw, 5), 2, 4, 0), - brw_imm_v(0x11001100)); - } -} - - - - - - -static void emit_delta_xy( struct brw_wm_compile *c ) -{ - if (is_null(c->delta_xy[0])) { - struct brw_compile *p = &c->func; - struct brw_reg r1 = brw_vec1_grf(1, 0); - - emit_pixel_xy(c); - - c->delta_xy[0] = alloc_tmp(c); - c->delta_xy[1] = alloc_tmp(c); - - /* Calc delta X,Y by subtracting origin in r1 from the pixel - * centers. - */ - brw_ADD(p, - c->delta_xy[0], - retype(c->pixel_xy[0], BRW_REGISTER_TYPE_UW), - negate(r1)); - - brw_ADD(p, - c->delta_xy[1], - retype(c->pixel_xy[1], BRW_REGISTER_TYPE_UW), - negate(suboffset(r1,1))); - } -} - - - -#if 0 -static void emit_pixel_w( struct brw_wm_compile *c ) -{ - if (is_null(c->pixel_w)) { - struct brw_compile *p = &c->func; - - struct brw_reg interp_wpos = c->coef_wpos; - - c->pixel_w = alloc_tmp(c); - - emit_delta_xy(c); - - /* Calc 1/w - just linterp wpos[3] optimized by putting the - * result straight into a message reg. - */ - struct brw_reg interp3 = brw_vec1_grf(interp_wpos.nr+1, 4); - brw_LINE(p, brw_null_reg(), interp3, c->delta_xy[0]); - brw_MAC(p, brw_message_reg(2), suboffset(interp3, 1), c->delta_xy[1]); - - /* Calc w */ - brw_math_16( p, - c->pixel_w, - BRW_MATH_FUNCTION_INV, - BRW_MATH_SATURATE_NONE, - 2, - brw_null_reg(), - BRW_MATH_PRECISION_FULL); - } -} -#endif - - -static void emit_cinterp(struct brw_wm_compile *c, - int idx, - int mask ) -{ - struct brw_compile *p = &c->func; - struct brw_reg interp[4]; - struct brw_reg coef = c->payload_coef[idx]; - int i; - - interp[0] = brw_vec1_grf(coef.nr, 0); - interp[1] = brw_vec1_grf(coef.nr, 4); - interp[2] = brw_vec1_grf(coef.nr+1, 0); - interp[3] = brw_vec1_grf(coef.nr+1, 4); - - for(i = 0; i < 4; i++ ) { - if (mask & (1<<i)) { - struct brw_reg dst = c->wm_regs[TGSI_FILE_INPUT][idx][i]; - brw_MOV(p, dst, suboffset(interp[i],3)); - } - } -} - -static void emit_linterp(struct brw_wm_compile *c, - int idx, - int mask ) -{ - struct brw_compile *p = &c->func; - struct brw_reg interp[4]; - struct brw_reg coef = c->payload_coef[idx]; - int i; - - emit_delta_xy(c); - - interp[0] = brw_vec1_grf(coef.nr, 0); - interp[1] = brw_vec1_grf(coef.nr, 4); - interp[2] = brw_vec1_grf(coef.nr+1, 0); - interp[3] = brw_vec1_grf(coef.nr+1, 4); - - for(i = 0; i < 4; i++ ) { - if (mask & (1<<i)) { - struct brw_reg dst = c->wm_regs[TGSI_FILE_INPUT][idx][i]; - brw_LINE(p, brw_null_reg(), interp[i], c->delta_xy[0]); - brw_MAC(p, dst, suboffset(interp[i],1), c->delta_xy[1]); - } - } -} - -#if 0 -static void emit_pinterp(struct brw_wm_compile *c, - int idx, - int mask ) -{ - struct brw_compile *p = &c->func; - struct brw_reg interp[4]; - struct brw_reg coef = c->payload_coef[idx]; - int i; - - get_delta_xy(c); - get_pixel_w(c); - - interp[0] = brw_vec1_grf(coef.nr, 0); - interp[1] = brw_vec1_grf(coef.nr, 4); - interp[2] = brw_vec1_grf(coef.nr+1, 0); - interp[3] = brw_vec1_grf(coef.nr+1, 4); - - for(i = 0; i < 4; i++ ) { - if (mask & (1<<i)) { - struct brw_reg dst = allocate_reg(c, TGSI_FILE_INPUT, idx, i); - brw_LINE(p, brw_null_reg(), interp[i], c->delta_xy[0]); - brw_MAC(p, dst, suboffset(interp[i],1), c->delta_xy[1]); - brw_MUL(p, dst, dst, c->pixel_w); - } - } -} -#endif - - - -#if 0 -static void emit_wpos( ) -{ - struct prog_dst_register dst = dst_reg(PROGRAM_INPUT, idx); - struct tgsi_full_src_register interp = src_reg(PROGRAM_PAYLOAD, idx); - struct tgsi_full_src_register deltas = get_delta_xy(c); - struct tgsi_full_src_register arg2; - unsigned opcode; - - 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); -} -#endif - - - - -/* Perform register allocation: - * - * -- r0??? - * -- passthrough depth regs (and stencil/aa??) - * -- curbe ?? - * -- inputs (coefficients) - * - * Use a totally static register allocation. This will perform poorly - * but is an easy way to get started (again). - */ -static void prealloc_reg(struct brw_wm_compile *c) -{ - int i, j; - int nr_curbe_regs = 0; - - /* R0, then some depth related regs: - */ - for (i = 0; i < c->key.nr_depth_regs; i++) { - c->payload_depth[i] = brw_vec8_grf(i*2, 0); - c->reg_index += 2; - } - - - /* Then a copy of our part of the CURBE entry: - */ - { - int nr_constants = c->fp->info.file_max[TGSI_FILE_CONSTANT] + 1; - int index = 0; - - /* XXX number of constants, or highest numbered constant? */ - assert(nr_constants == c->fp->info.file_count[TGSI_FILE_CONSTANT]); - - c->prog_data.max_const = 4*nr_constants; - for (i = 0; i < nr_constants; i++) { - for (j = 0; j < 4; j++, index++) - c->wm_regs[TGSI_FILE_CONSTANT][i][j] = brw_vec1_grf(c->reg_index + index/8, - index%8); - } - - nr_curbe_regs = 2*((4*nr_constants+15)/16); - c->reg_index += nr_curbe_regs; - } - - /* Adjust for parameter coefficients for position, which are - * currently always provided. - */ -// c->position_coef[i] = brw_vec8_grf(c->reg_index, 0); - c->reg_index += 2; - - /* Next we receive the plane coefficients for parameter - * interpolation: - */ - assert(c->fp->info.file_max[TGSI_FILE_INPUT] == c->fp->info.num_inputs); - for (i = 0; i < c->fp->info.file_max[TGSI_FILE_INPUT] + 1; i++) { - c->payload_coef[i] = brw_vec8_grf(c->reg_index, 0); - c->reg_index += 2; - } - - c->prog_data.first_curbe_grf = c->key.nr_depth_regs * 2; - c->prog_data.urb_read_length = (c->fp->info.num_inputs + 1) * 2; - c->prog_data.curb_read_length = nr_curbe_regs; - - /* That's the end of the payload, now we can start allocating registers. - */ - c->emit_mask_reg = brw_uw1_reg(BRW_GENERAL_REGISTER_FILE, c->reg_index, 0); - c->reg_index++; - - c->stack = brw_uw16_reg(BRW_GENERAL_REGISTER_FILE, c->reg_index, 0); - c->reg_index += 2; - - /* Now allocate room for the interpolated inputs and staging - * registers for the outputs: - */ - /* XXX do we want to loop over the _number_ of inputs/outputs or loop - * to the highest input/output index that's used? - * Probably the same, actually. - */ - assert(c->fp->info.file_max[TGSI_FILE_INPUT] + 1 == c->fp->info.num_inputs); - assert(c->fp->info.file_max[TGSI_FILE_OUTPUT] + 1 == c->fp->info.num_outputs); - for (i = 0; i < c->fp->info.file_max[TGSI_FILE_INPUT] + 1; i++) - for (j = 0; j < 4; j++) - c->wm_regs[TGSI_FILE_INPUT][i][j] = brw_vec8_grf( c->reg_index++, 0 ); - - for (i = 0; i < c->fp->info.file_max[TGSI_FILE_OUTPUT] + 1; i++) - for (j = 0; j < 4; j++) - c->wm_regs[TGSI_FILE_OUTPUT][i][j] = brw_vec8_grf( c->reg_index++, 0 ); - - /* Beyond this we should only need registers for internal temporaries: - */ - c->tmp_start = c->reg_index; -} - - - - - -/* Need to interpolate fragment program inputs in as a preamble to the - * shader. A more sophisticated compiler would do this on demand, but - * we'll do it up front: - */ -void brw_wm_emit_decls(struct brw_wm_compile *c) -{ - struct tgsi_parse_context parse; - int done = 0; - - prealloc_reg(c); - - tgsi_parse_init( &parse, c->fp->program.tokens ); - - while( !done && - !tgsi_parse_end_of_tokens( &parse ) ) - { - tgsi_parse_token( &parse ); - - switch( parse.FullToken.Token.Type ) { - case TGSI_TOKEN_TYPE_DECLARATION: - { - const struct tgsi_full_declaration *decl = &parse.FullToken.FullDeclaration; - unsigned first = decl->DeclarationRange.First; - unsigned last = decl->DeclarationRange.Last; - unsigned mask = decl->Declaration.UsageMask; /* ? */ - unsigned i; - - if (decl->Declaration.File != TGSI_FILE_INPUT) - break; - - for( i = first; i <= last; i++ ) { - switch (decl->Declaration.Interpolate) { - case TGSI_INTERPOLATE_CONSTANT: - emit_cinterp(c, i, mask); - break; - - case TGSI_INTERPOLATE_LINEAR: - emit_linterp(c, i, mask); - break; - - case TGSI_INTERPOLATE_PERSPECTIVE: - //emit_pinterp(c, i, mask); - emit_linterp(c, i, mask); - break; - } - } - break; - } - case TGSI_TOKEN_TYPE_IMMEDIATE: - case TGSI_TOKEN_TYPE_INSTRUCTION: - default: - done = 1; - break; - } - } - - tgsi_parse_free (&parse); - - release_tmps(c); -} |