Module: Mesa Branch: master Commit: d75a8799fded5f8cd7ae4b20d935ff8a088dc122 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=d75a8799fded5f8cd7ae4b20d935ff8a088dc122
Author: Chia-I Wu <olva...@gmail.com> Date: Sat Apr 12 03:17:33 2014 +0800 ilo: avoid brw_wm_barycentric_interp_mode in compiler In preparation for genhw. --- src/gallium/drivers/ilo/shader/ilo_shader_fs.c | 63 +++++++++++++++++------- 1 file changed, 46 insertions(+), 17 deletions(-) diff --git a/src/gallium/drivers/ilo/shader/ilo_shader_fs.c b/src/gallium/drivers/ilo/shader/ilo_shader_fs.c index 0a65498..817b127 100644 --- a/src/gallium/drivers/ilo/shader/ilo_shader_fs.c +++ b/src/gallium/drivers/ilo/shader/ilo_shader_fs.c @@ -46,7 +46,12 @@ struct fs_compile_context { int dispatch_mode; struct { - int barycentric_interps[BRW_WM_BARYCENTRIC_INTERP_MODE_COUNT]; + int interp_perspective_pixel; + int interp_perspective_centroid; + int interp_perspective_sample; + int interp_nonperspective_pixel; + int interp_nonperspective_centroid; + int interp_nonperspective_sample; int source_depth; int source_w; int pos_offset; @@ -157,7 +162,7 @@ fetch_attr(struct fs_compile_context *fcc, struct toy_dst dst, int slot) struct toy_compiler *tc = &fcc->tc; struct toy_dst real_dst[4]; bool is_const = false; - int grf, mode, ch; + int grf, interp, ch; tdst_transpose(dst, real_dst); @@ -169,9 +174,9 @@ fetch_attr(struct fs_compile_context *fcc, struct toy_dst dst, int slot) break; case TGSI_INTERPOLATE_LINEAR: if (fcc->tgsi.inputs[slot].centroid) - mode = BRW_WM_NONPERSPECTIVE_CENTROID_BARYCENTRIC; + interp = fcc->payloads[0].interp_nonperspective_centroid; else - mode = BRW_WM_NONPERSPECTIVE_PIXEL_BARYCENTRIC; + interp = fcc->payloads[0].interp_nonperspective_pixel; break; case TGSI_INTERPOLATE_COLOR: if (fcc->variant->u.fs.flatshade) { @@ -181,13 +186,13 @@ fetch_attr(struct fs_compile_context *fcc, struct toy_dst dst, int slot) /* fall through */ case TGSI_INTERPOLATE_PERSPECTIVE: if (fcc->tgsi.inputs[slot].centroid) - mode = BRW_WM_PERSPECTIVE_CENTROID_BARYCENTRIC; + interp = fcc->payloads[0].interp_perspective_centroid; else - mode = BRW_WM_PERSPECTIVE_PIXEL_BARYCENTRIC; + interp = fcc->payloads[0].interp_perspective_pixel; break; default: assert(!"unexpected FS interpolation"); - mode = BRW_WM_PERSPECTIVE_PIXEL_BARYCENTRIC; + interp = fcc->payloads[0].interp_perspective_pixel; break; } @@ -210,7 +215,7 @@ fetch_attr(struct fs_compile_context *fcc, struct toy_dst dst, int slot) attr[2] = tsrc(TOY_FILE_GRF, grf + 1, 0); attr[3] = tsrc(TOY_FILE_GRF, grf + 1, 4 * 4); - uv = tsrc(TOY_FILE_GRF, fcc->payloads[0].barycentric_interps[mode], 0); + uv = tsrc(TOY_FILE_GRF, interp, 0); for (ch = 0; ch < 4; ch++) { tc_add2(tc, BRW_OPCODE_PLN, real_dst[ch], @@ -1667,27 +1672,51 @@ fs_setup_payloads(struct fs_compile_context *fcc) grf += (fcc->dispatch_mode == GEN6_WM_32_DISPATCH_ENABLE) ? 2 : 1; for (i = 0; i < Elements(fcc->payloads); i++) { - int interp; + const int reg_scale = + (fcc->dispatch_mode == GEN6_WM_8_DISPATCH_ENABLE) ? 1 : 2; /* r3-r26 or r32-r55: barycentric interpolation parameters */ - for (interp = 0; interp < BRW_WM_BARYCENTRIC_INTERP_MODE_COUNT; interp++) { - if (!(sh->in.barycentric_interpolation_mode & (1 << interp))) - continue; - - fcc->payloads[i].barycentric_interps[interp] = grf; - grf += (fcc->dispatch_mode == GEN6_WM_8_DISPATCH_ENABLE) ? 2 : 4; + if (sh->in.barycentric_interpolation_mode & + (1 << BRW_WM_PERSPECTIVE_PIXEL_BARYCENTRIC)) { + fcc->payloads[i].interp_perspective_pixel = grf; + grf += 2 * reg_scale; + } + if (sh->in.barycentric_interpolation_mode & + (1 << BRW_WM_PERSPECTIVE_CENTROID_BARYCENTRIC)) { + fcc->payloads[i].interp_perspective_centroid = grf; + grf += 2 * reg_scale; + } + if (sh->in.barycentric_interpolation_mode & + (1 << BRW_WM_PERSPECTIVE_SAMPLE_BARYCENTRIC)) { + fcc->payloads[i].interp_perspective_sample = grf; + grf += 2 * reg_scale; + } + if (sh->in.barycentric_interpolation_mode & + (1 << BRW_WM_NONPERSPECTIVE_PIXEL_BARYCENTRIC)) { + fcc->payloads[i].interp_nonperspective_pixel = grf; + grf += 2 * reg_scale; + } + if (sh->in.barycentric_interpolation_mode & + (1 << BRW_WM_NONPERSPECTIVE_CENTROID_BARYCENTRIC)) { + fcc->payloads[i].interp_nonperspective_centroid = grf; + grf += 2 * reg_scale; + } + if (sh->in.barycentric_interpolation_mode & + (1 << BRW_WM_NONPERSPECTIVE_SAMPLE_BARYCENTRIC)) { + fcc->payloads[i].interp_nonperspective_sample = grf; + grf += 2 * reg_scale; } /* r27-r28 or r56-r57: interpoloated depth */ if (sh->in.has_pos) { fcc->payloads[i].source_depth = grf; - grf += (fcc->dispatch_mode == GEN6_WM_8_DISPATCH_ENABLE) ? 1 : 2; + grf += 1 * reg_scale; } /* r29-r30 or r58-r59: interpoloated w */ if (sh->in.has_pos) { fcc->payloads[i].source_w = grf; - grf += (fcc->dispatch_mode == GEN6_WM_8_DISPATCH_ENABLE) ? 1 : 2; + grf += 1 * reg_scale; } /* r31 or r60: position offset */ _______________________________________________ mesa-commit mailing list mesa-commit@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-commit