From 6b8ce4cc4f9acdd9227e26a812dd911f45b623a5 Mon Sep 17 00:00:00 2001 From: Zack Rusin Date: Fri, 23 Oct 2009 16:18:10 -0400 Subject: [PATCH] st/xorg: add yuv shaders --- .../state_trackers/xorg/xorg_exa_tgsi.c | 75 ++++++++++++++++++- .../state_trackers/xorg/xorg_exa_tgsi.h | 8 +- src/gallium/state_trackers/xorg/xorg_xv.c | 16 ++-- 3 files changed, 83 insertions(+), 16 deletions(-) diff --git a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c index 3c90dab3c5d..95038917018 100644 --- a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c +++ b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c @@ -277,6 +277,70 @@ create_vs(struct pipe_context *pipe, return ureg_create_shader_and_destroy(ureg, pipe); } +static void * +create_yuv_shader(struct pipe_context *pipe, struct ureg_program *ureg) +{ + struct ureg_src y_sampler, u_sampler, v_sampler; + struct ureg_src pos; + struct ureg_src matrow0, matrow1, matrow2; + struct ureg_dst y, u, v, rgb; + struct ureg_dst out = ureg_DECL_output(ureg, + TGSI_SEMANTIC_COLOR, + 0); + + pos = ureg_DECL_fs_input(ureg, + TGSI_SEMANTIC_GENERIC, + 0, + TGSI_INTERPOLATE_PERSPECTIVE); + + rgb = ureg_DECL_temporary(ureg); + y = ureg_DECL_temporary(ureg); + u = ureg_DECL_temporary(ureg); + v = ureg_DECL_temporary(ureg); + + y_sampler = ureg_DECL_sampler(ureg, 0); + u_sampler = ureg_DECL_sampler(ureg, 1); + v_sampler = ureg_DECL_sampler(ureg, 2); + + matrow0 = ureg_DECL_constant(ureg, 0); + matrow1 = ureg_DECL_constant(ureg, 1); + matrow2 = ureg_DECL_constant(ureg, 2); + + ureg_TEX(ureg, y, + TGSI_TEXTURE_2D, pos, y_sampler); + ureg_TEX(ureg, u, + TGSI_TEXTURE_2D, pos, u_sampler); + ureg_TEX(ureg, v, + TGSI_TEXTURE_2D, pos, v_sampler); + + ureg_MUL(ureg, rgb, + ureg_scalar(ureg_src(y), TGSI_SWIZZLE_X), + matrow0); + ureg_MAD(ureg, rgb, + ureg_scalar(ureg_src(u), TGSI_SWIZZLE_X), + matrow1, + ureg_src(rgb)); + ureg_MAD(ureg, rgb, + ureg_scalar(ureg_src(v), TGSI_SWIZZLE_X), + matrow2, + ureg_src(rgb)); + + /* rgb.a = 1; */ + ureg_MOV(ureg, ureg_writemask(rgb, TGSI_WRITEMASK_W), + ureg_scalar(matrow0, TGSI_SWIZZLE_X)); + + ureg_MOV(ureg, out, ureg_src(rgb)); + + ureg_release_temporary(ureg, rgb); + ureg_release_temporary(ureg, y); + ureg_release_temporary(ureg, u); + ureg_release_temporary(ureg, v); + + ureg_END(ureg); + + return ureg_create_shader_and_destroy(ureg, pipe); +} + static void * create_fs(struct pipe_context *pipe, unsigned fs_traits) @@ -293,13 +357,14 @@ create_fs(struct pipe_context *pipe, boolean is_lingrad = fs_traits & FS_LINGRAD_FILL; boolean is_radgrad = fs_traits & FS_RADGRAD_FILL; unsigned comp_alpha = fs_traits & FS_COMPONENT_ALPHA; + boolean is_yuv = fs_traits & FS_YUV; ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT); if (ureg == NULL) return 0; - /* it has to be either a fill or a composite op */ - debug_assert(is_fill ^ is_composite); + /* it has to be either a fill, a composite op or a yuv conversion */ + debug_assert((is_fill ^ is_composite) ^ is_yuv); out = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, @@ -311,8 +376,7 @@ create_fs(struct pipe_context *pipe, TGSI_SEMANTIC_GENERIC, 0, TGSI_INTERPOLATE_PERSPECTIVE); - } else { - debug_assert(is_fill); + } else if (is_fill) { if (is_solid) src_input = ureg_DECL_fs_input(ureg, TGSI_SEMANTIC_COLOR, @@ -323,6 +387,9 @@ create_fs(struct pipe_context *pipe, TGSI_SEMANTIC_POSITION, 0, TGSI_INTERPOLATE_PERSPECTIVE); + } else { + debug_assert(is_yuv); + return create_yuv_shader(pipe, ureg); } if (has_mask) { diff --git a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.h b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.h index 0ea44fa137e..b373d1357bb 100644 --- a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.h +++ b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.h @@ -21,13 +21,13 @@ enum xorg_fs_traits { FS_SOLID_FILL = 1 << 2, FS_LINGRAD_FILL = 1 << 3, FS_RADGRAD_FILL = 1 << 4, + FS_CA_FULL = 1 << 5, /* src.rgba * mask.rgba */ + FS_CA_SRCALPHA = 1 << 6, /* src.aaaa * mask.rgba */ + FS_YUV = 1<< 7, + FS_FILL = (FS_SOLID_FILL | FS_LINGRAD_FILL | FS_RADGRAD_FILL), - /* src.rgba * mask.rgba */ - FS_CA_FULL = 1 << 5, - /* src.aaaa * mask.rgba */ - FS_CA_SRCALPHA = 1 << 6, FS_COMPONENT_ALPHA = (FS_CA_FULL | FS_CA_SRCALPHA) }; diff --git a/src/gallium/state_trackers/xorg/xorg_xv.c b/src/gallium/state_trackers/xorg/xorg_xv.c index efac9275b26..6d057b4c75f 100644 --- a/src/gallium/state_trackers/xorg/xorg_xv.c +++ b/src/gallium/state_trackers/xorg/xorg_xv.c @@ -20,16 +20,16 @@ /* The ITU-R BT.601 conversion matrix for SDTV. */ static const float bt_601[] = { - 1.0, 0.0, 1.4075, - 1.0, -0.3455, -0.7169, - 1.0, 1.7790, 0. + 1.0, 0.0, 1.4075, 0, + 1.0, -0.3455, -0.7169, 0, + 1.0, 1.7790, 0., 0, }; /* The ITU-R BT.709 conversion matrix for HDTV. */ static const float bt_709[] = { - 1.0, 0.0, 1.581, - 1.0, -0.1881, -0.47, - 1.0, 1.8629, 0. + 1.0, 0.0, 1.581, 0, + 1.0, -0.1881, -0.47, 0, + 1.0, 1.8629, 0., 0, }; #define MAKE_ATOM(a) MakeAtom(a, sizeof(a) - 1, TRUE) @@ -284,8 +284,8 @@ static void setup_video_constants(struct xorg_renderer *r, boolean hdtv) { struct pipe_context *pipe = r->pipe; - const int param_bytes = 9 * sizeof(float); - struct pipe_constant_buffer *cbuf = &r->vs_const_buffer; + const int param_bytes = 12 * sizeof(float); + struct pipe_constant_buffer *cbuf = &r->fs_const_buffer; pipe_buffer_reference(&cbuf->buffer, NULL); cbuf->buffer = pipe_buffer_create(pipe->screen, 16, -- 2.30.2