From f0a7d1d88be0c31bd471f4428c4493a93f2d9321 Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 13 Jul 2012 10:11:58 +0200 Subject: xserver mesa git update 13 Jul 2012 --- mesalib/src/gallium/auxiliary/util/u_blit.c | 337 +++++++++++++++++++--------- 1 file changed, 226 insertions(+), 111 deletions(-) (limited to 'mesalib/src/gallium/auxiliary/util/u_blit.c') diff --git a/mesalib/src/gallium/auxiliary/util/u_blit.c b/mesalib/src/gallium/auxiliary/util/u_blit.c index 9bd2ef52d..b52f4c092 100644 --- a/mesalib/src/gallium/auxiliary/util/u_blit.c +++ b/mesalib/src/gallium/auxiliary/util/u_blit.c @@ -56,9 +56,11 @@ struct blit_state struct pipe_context *pipe; struct cso_context *cso; - struct pipe_blend_state blend; - struct pipe_depth_stencil_alpha_state depthstencil_keep; - struct pipe_depth_stencil_alpha_state depthstencil_write; + struct pipe_blend_state blend_write_color, blend_keep_color; + struct pipe_depth_stencil_alpha_state dsa_keep_depthstencil; + struct pipe_depth_stencil_alpha_state dsa_write_depthstencil; + struct pipe_depth_stencil_alpha_state dsa_write_depth; + struct pipe_depth_stencil_alpha_state dsa_write_stencil; struct pipe_rasterizer_state rasterizer; struct pipe_sampler_state sampler; struct pipe_viewport_state viewport; @@ -66,13 +68,17 @@ struct blit_state enum pipe_texture_target internal_target; void *vs; - void *fs[TGSI_WRITEMASK_XYZW + 1]; - void *fs_depth; + void *fs[PIPE_MAX_TEXTURE_TYPES][TGSI_WRITEMASK_XYZW + 1]; + void *fs_depthstencil[PIPE_MAX_TEXTURE_TYPES]; + void *fs_depth[PIPE_MAX_TEXTURE_TYPES]; + void *fs_stencil[PIPE_MAX_TEXTURE_TYPES]; struct pipe_resource *vbuf; /**< quad vertices */ unsigned vbuf_slot; float vertices[4][2][4]; /**< vertex/texcoords for quad */ + + boolean has_stencil_export; }; @@ -94,24 +100,28 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso) ctx->cso = cso; /* disabled blending/masking */ - memset(&ctx->blend, 0, sizeof(ctx->blend)); - ctx->blend.rt[0].colormask = PIPE_MASK_RGBA; - - /* no-op depth/stencil/alpha */ - memset(&ctx->depthstencil_keep, 0, sizeof(ctx->depthstencil_keep)); - memset(&ctx->depthstencil_write, 0, sizeof(ctx->depthstencil_write)); - ctx->depthstencil_write.depth.enabled = 1; - ctx->depthstencil_write.depth.writemask = 1; - ctx->depthstencil_write.depth.func = PIPE_FUNC_ALWAYS; + ctx->blend_write_color.rt[0].colormask = PIPE_MASK_RGBA; + + /* depth stencil states */ + ctx->dsa_write_depth.depth.enabled = 1; + ctx->dsa_write_depth.depth.writemask = 1; + ctx->dsa_write_depth.depth.func = PIPE_FUNC_ALWAYS; + ctx->dsa_write_stencil.stencil[0].enabled = 1; + ctx->dsa_write_stencil.stencil[0].func = PIPE_FUNC_ALWAYS; + ctx->dsa_write_stencil.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE; + ctx->dsa_write_stencil.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE; + ctx->dsa_write_stencil.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE; + ctx->dsa_write_stencil.stencil[0].valuemask = 0xff; + ctx->dsa_write_stencil.stencil[0].writemask = 0xff; + ctx->dsa_write_depthstencil.depth = ctx->dsa_write_depth.depth; + ctx->dsa_write_depthstencil.stencil[0] = ctx->dsa_write_stencil.stencil[0]; /* rasterizer */ - memset(&ctx->rasterizer, 0, sizeof(ctx->rasterizer)); ctx->rasterizer.cull_face = PIPE_FACE_NONE; ctx->rasterizer.gl_rasterization_rules = 1; ctx->rasterizer.depth_clip = 1; /* samplers */ - memset(&ctx->sampler, 0, sizeof(ctx->sampler)); ctx->sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; ctx->sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; ctx->sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; @@ -120,7 +130,6 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso) ctx->sampler.mag_img_filter = 0; /* set later */ /* vertex elements state */ - memset(&ctx->velem[0], 0, sizeof(ctx->velem[0]) * 2); for (i = 0; i < 2; i++) { ctx->velem[i].src_offset = i * 4 * sizeof(float); ctx->velem[i].instance_divisor = 0; @@ -142,6 +151,9 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso) else ctx->internal_target = PIPE_TEXTURE_RECT; + ctx->has_stencil_export = + pipe->screen->get_param(pipe->screen, PIPE_CAP_SHADER_STENCIL_EXPORT); + return ctx; } @@ -153,17 +165,29 @@ void util_destroy_blit(struct blit_state *ctx) { struct pipe_context *pipe = ctx->pipe; - unsigned i; + unsigned i, j; if (ctx->vs) pipe->delete_vs_state(pipe, ctx->vs); - for (i = 0; i < Elements(ctx->fs); i++) - if (ctx->fs[i]) - pipe->delete_fs_state(pipe, ctx->fs[i]); + for (i = 0; i < Elements(ctx->fs); i++) { + for (j = 0; j < Elements(ctx->fs[i]); j++) { + if (ctx->fs[i][j]) + pipe->delete_fs_state(pipe, ctx->fs[i][j]); + } + } - if (ctx->fs_depth) - pipe->delete_fs_state(pipe, ctx->fs_depth); + for (i = 0; i < PIPE_MAX_TEXTURE_TYPES; i++) { + if (ctx->fs_depthstencil[i]) { + pipe->delete_fs_state(pipe, ctx->fs_depthstencil[i]); + } + if (ctx->fs_depth[i]) { + pipe->delete_fs_state(pipe, ctx->fs_depth[i]); + } + if (ctx->fs_stencil[i]) { + pipe->delete_fs_state(pipe, ctx->fs_stencil[i]); + } + } pipe_resource_reference(&ctx->vbuf, NULL); @@ -175,30 +199,76 @@ util_destroy_blit(struct blit_state *ctx) * Helper function to set the fragment shaders. */ static INLINE void -set_fragment_shader(struct blit_state *ctx, uint writemask) +set_fragment_shader(struct blit_state *ctx, uint writemask, + enum pipe_texture_target pipe_tex) { - if (!ctx->fs[writemask]) - ctx->fs[writemask] = - util_make_fragment_tex_shader_writemask(ctx->pipe, TGSI_TEXTURE_2D, + if (!ctx->fs[pipe_tex][writemask]) { + unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex); + + ctx->fs[pipe_tex][writemask] = + util_make_fragment_tex_shader_writemask(ctx->pipe, tgsi_tex, TGSI_INTERPOLATE_LINEAR, writemask); + } - cso_set_fragment_shader_handle(ctx->cso, ctx->fs[writemask]); + cso_set_fragment_shader_handle(ctx->cso, ctx->fs[pipe_tex][writemask]); } /** - * Helper function to set the depthwrite shader. + * Helper function to set the shader which writes depth and stencil. */ static INLINE void -set_depth_fragment_shader(struct blit_state *ctx) +set_depthstencil_fragment_shader(struct blit_state *ctx, + enum pipe_texture_target pipe_tex) { - if (!ctx->fs_depth) - ctx->fs_depth = - util_make_fragment_tex_shader_writedepth(ctx->pipe, TGSI_TEXTURE_2D, + if (!ctx->fs_depthstencil[pipe_tex]) { + unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex); + + ctx->fs_depthstencil[pipe_tex] = + util_make_fragment_tex_shader_writedepthstencil(ctx->pipe, tgsi_tex, TGSI_INTERPOLATE_LINEAR); + } - cso_set_fragment_shader_handle(ctx->cso, ctx->fs_depth); + cso_set_fragment_shader_handle(ctx->cso, ctx->fs_depthstencil[pipe_tex]); +} + + +/** + * Helper function to set the shader which writes depth. + */ +static INLINE void +set_depth_fragment_shader(struct blit_state *ctx, + enum pipe_texture_target pipe_tex) +{ + if (!ctx->fs_depth[pipe_tex]) { + unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex); + + ctx->fs_depth[pipe_tex] = + util_make_fragment_tex_shader_writedepth(ctx->pipe, tgsi_tex, + TGSI_INTERPOLATE_LINEAR); + } + + cso_set_fragment_shader_handle(ctx->cso, ctx->fs_depth[pipe_tex]); +} + + +/** + * Helper function to set the shader which writes stencil. + */ +static INLINE void +set_stencil_fragment_shader(struct blit_state *ctx, + enum pipe_texture_target pipe_tex) +{ + if (!ctx->fs_stencil[pipe_tex]) { + unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex); + + ctx->fs_stencil[pipe_tex] = + util_make_fragment_tex_shader_writestencil(ctx->pipe, tgsi_tex, + TGSI_INTERPOLATE_LINEAR); + } + + cso_set_fragment_shader_handle(ctx->cso, ctx->fs_stencil[pipe_tex]); } @@ -350,20 +420,19 @@ formats_compatible(enum pipe_format src_format, * \param writemask controls which channels in the dest surface are sourced * from the src surface. Disabled channels are sourced * from (0,0,0,1). - * XXX need some control over blitting stencil. */ void -util_blit_pixels_writemask(struct blit_state *ctx, - struct pipe_resource *src_tex, - unsigned src_level, - int srcX0, int srcY0, - int srcX1, int srcY1, - int srcZ0, - struct pipe_surface *dst, - int dstX0, int dstY0, - int dstX1, int dstY1, - float z, uint filter, - uint writemask) +util_blit_pixels(struct blit_state *ctx, + struct pipe_resource *src_tex, + unsigned src_level, + int srcX0, int srcY0, + int srcX1, int srcY1, + int srcZ0, + struct pipe_surface *dst, + int dstX0, int dstY0, + int dstX1, int dstY1, + float z, uint filter, + uint writemask, uint zs_writemask) { struct pipe_context *pipe = ctx->pipe; struct pipe_screen *screen = pipe->screen; @@ -375,9 +444,12 @@ util_blit_pixels_writemask(struct blit_state *ctx, const int srcW = abs(srcX1 - srcX0); const int srcH = abs(srcY1 - srcY0); unsigned offset; - boolean overlap, dst_is_depth; + boolean overlap; float s0, t0, s1, t1; boolean normalized; + boolean is_stencil, is_depth, blit_depth, blit_stencil; + const struct util_format_description *src_desc = + util_format_description(src_tex->format); assert(filter == PIPE_TEX_MIPFILTER_NEAREST || filter == PIPE_TEX_MIPFILTER_LINEAR); @@ -394,12 +466,24 @@ util_blit_pixels_writemask(struct blit_state *ctx, src_format = util_format_linear(src_tex->format); dst_format = util_format_linear(dst->format); + /* See whether we will blit depth or stencil. */ + is_depth = util_format_has_depth(src_desc); + is_stencil = util_format_has_stencil(src_desc); + + blit_depth = is_depth && (zs_writemask & BLIT_WRITEMASK_Z); + blit_stencil = is_stencil && (zs_writemask & BLIT_WRITEMASK_STENCIL); + + assert((writemask && !zs_writemask && !is_depth && !is_stencil) || + (!writemask && (blit_depth || blit_stencil))); + /* * Check for simple case: no format conversion, no flipping, no stretching, * no overlapping. * Filter mode should not matter since there's no stretching. */ if (formats_compatible(src_format, dst_format) && + is_stencil == blit_stencil && + is_depth == blit_depth && srcX0 < srcX1 && dstX0 < dstX1 && srcY0 < srcY1 && @@ -422,6 +506,17 @@ util_blit_pixels_writemask(struct blit_state *ctx, return; } + /* It's a mistake to call this function with a stencil format and + * without shader stencil export. We don't do software fallbacks here. + * Ignore stencil and only copy depth. + */ + if (blit_stencil && !ctx->has_stencil_export) { + blit_stencil = FALSE; + + if (!blit_depth) + return; + } + if (dst_format == dst->format) { dst_surface = dst; } else { @@ -430,20 +525,11 @@ util_blit_pixels_writemask(struct blit_state *ctx, dst_surface = pipe->create_surface(pipe, dst->texture, &templ); } - /* Create a temporary texture when src and dest alias or when src - * is anything other than a 2d texture. - * XXX should just use appropriate shader to access 1d / 3d slice / cube face, - * much like the u_blitter code does (should be pretty trivial). - * - * This can still be improved upon. + /* Create a temporary texture when src and dest alias. */ - if ((src_tex == dst_surface->texture && + if (src_tex == dst_surface->texture && dst_surface->u.tex.level == src_level && - dst_surface->u.tex.first_layer == srcZ0) || - (src_tex->target != PIPE_TEXTURE_2D && - src_tex->target != PIPE_TEXTURE_2D && - src_tex->target != PIPE_TEXTURE_RECT)) - { + dst_surface->u.tex.first_layer == srcZ0) { /* Make a temporary texture which contains a copy of the source pixels. * Then we'll sample from the temporary texture. */ @@ -509,6 +595,11 @@ util_blit_pixels_writemask(struct blit_state *ctx, } u_sampler_view_default_template(&sv_templ, tex, tex->format); + if (!blit_depth && blit_stencil) { + /* set a stencil-only format, e.g. Z24S8 --> X24S8 */ + sv_templ.format = util_format_stencil_only(tex->format); + assert(sv_templ.format != PIPE_FORMAT_NONE); + } sampler_view = pipe->create_sampler_view(pipe, tex, &sv_templ); if (!sampler_view) { @@ -520,6 +611,11 @@ util_blit_pixels_writemask(struct blit_state *ctx, else { /* Directly sample from the source resource/texture */ u_sampler_view_default_template(&sv_templ, src_tex, src_format); + if (!blit_depth && blit_stencil) { + /* set a stencil-only format, e.g. Z24S8 --> X24S8 */ + sv_templ.format = util_format_stencil_only(src_format); + assert(sv_templ.format != PIPE_FORMAT_NONE); + } sampler_view = pipe->create_sampler_view(pipe, src_tex, &sv_templ); if (!sampler_view) { @@ -540,15 +636,14 @@ util_blit_pixels_writemask(struct blit_state *ctx, } } - dst_is_depth = util_format_is_depth_or_stencil(dst_format); - - assert(screen->is_format_supported(screen, sampler_view->format, ctx->internal_target, - sampler_view->texture->nr_samples, - PIPE_BIND_SAMPLER_VIEW)); + assert(screen->is_format_supported(screen, sampler_view->format, + ctx->internal_target, sampler_view->texture->nr_samples, + PIPE_BIND_SAMPLER_VIEW)); assert(screen->is_format_supported(screen, dst_format, ctx->internal_target, - dst_surface->texture->nr_samples, - dst_is_depth ? PIPE_BIND_DEPTH_STENCIL : - PIPE_BIND_RENDER_TARGET)); + dst_surface->texture->nr_samples, + is_depth || is_stencil ? PIPE_BIND_DEPTH_STENCIL : + PIPE_BIND_RENDER_TARGET)); + /* save state (restored below) */ cso_save_blend(ctx->cso); cso_save_depth_stencil_alpha(ctx->cso); @@ -565,23 +660,76 @@ util_blit_pixels_writemask(struct blit_state *ctx, cso_save_vertex_buffers(ctx->cso); /* set misc state we care about */ - cso_set_blend(ctx->cso, &ctx->blend); - cso_set_depth_stencil_alpha(ctx->cso, - dst_is_depth ? &ctx->depthstencil_write : - &ctx->depthstencil_keep); + if (writemask) + cso_set_blend(ctx->cso, &ctx->blend_write_color); + else + cso_set_blend(ctx->cso, &ctx->blend_keep_color); + cso_set_rasterizer(ctx->cso, &ctx->rasterizer); cso_set_vertex_elements(ctx->cso, 2, ctx->velem); cso_set_stream_outputs(ctx->cso, 0, NULL, 0); - /* sampler */ + /* default sampler state */ ctx->sampler.normalized_coords = normalized; ctx->sampler.min_img_filter = filter; ctx->sampler.mag_img_filter = filter; ctx->sampler.min_lod = src_level; ctx->sampler.max_lod = src_level; - cso_single_sampler(ctx->cso, 0, &ctx->sampler); + + /* Depth stencil state, fragment shader and sampler setup depending on what + * we blit. + */ + if (blit_depth && blit_stencil) { + cso_single_sampler(ctx->cso, 0, &ctx->sampler); + /* don't filter stencil */ + ctx->sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; + ctx->sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; + cso_single_sampler(ctx->cso, 1, &ctx->sampler); + + cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_write_depthstencil); + set_depthstencil_fragment_shader(ctx, sampler_view->texture->target); + } + else if (blit_depth) { + cso_single_sampler(ctx->cso, 0, &ctx->sampler); + cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_write_depth); + set_depth_fragment_shader(ctx, sampler_view->texture->target); + } + else if (blit_stencil) { + /* don't filter stencil */ + ctx->sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; + ctx->sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; + cso_single_sampler(ctx->cso, 0, &ctx->sampler); + + cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_write_stencil); + set_stencil_fragment_shader(ctx, sampler_view->texture->target); + } + else { /* color */ + cso_single_sampler(ctx->cso, 0, &ctx->sampler); + cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_keep_depthstencil); + set_fragment_shader(ctx, writemask, sampler_view->texture->target); + } cso_single_sampler_done(ctx->cso); + /* textures */ + if (blit_depth && blit_stencil) { + /* Setup two samplers, one for depth and the other one for stencil. */ + struct pipe_sampler_view templ; + struct pipe_sampler_view *views[2]; + + templ = *sampler_view; + templ.format = util_format_stencil_only(templ.format); + assert(templ.format != PIPE_FORMAT_NONE); + + views[0] = sampler_view; + views[1] = pipe->create_sampler_view(pipe, views[0]->texture, &templ); + cso_set_fragment_sampler_views(ctx->cso, 2, views); + + pipe_sampler_view_reference(&views[1], NULL); + } + else { + cso_set_fragment_sampler_views(ctx->cso, 1, &sampler_view); + } + /* viewport */ ctx->viewport.scale[0] = 0.5f * dst_surface->width; ctx->viewport.scale[1] = 0.5f * dst_surface->height; @@ -593,15 +741,6 @@ util_blit_pixels_writemask(struct blit_state *ctx, ctx->viewport.translate[3] = 0.0f; cso_set_viewport(ctx->cso, &ctx->viewport); - /* texture */ - cso_set_fragment_sampler_views(ctx->cso, 1, &sampler_view); - - /* shaders */ - if (dst_is_depth) { - set_depth_fragment_shader(ctx); - } else { - set_fragment_shader(ctx, writemask); - } set_vertex_shader(ctx); cso_set_geometry_shader_handle(ctx->cso, NULL); @@ -609,7 +748,7 @@ util_blit_pixels_writemask(struct blit_state *ctx, memset(&fb, 0, sizeof(fb)); fb.width = dst_surface->width; fb.height = dst_surface->height; - if (dst_is_depth) { + if (blit_depth || blit_stencil) { fb.zsbuf = dst_surface; } else { fb.nr_cbufs = 1; @@ -655,31 +794,6 @@ util_blit_pixels_writemask(struct blit_state *ctx, } -void -util_blit_pixels(struct blit_state *ctx, - struct pipe_resource *src_tex, - unsigned src_level, - int srcX0, int srcY0, - int srcX1, int srcY1, - int srcZ, - struct pipe_surface *dst, - int dstX0, int dstY0, - int dstX1, int dstY1, - float z, uint filter ) -{ - util_blit_pixels_writemask( ctx, src_tex, - src_level, - srcX0, srcY0, - srcX1, srcY1, - srcZ, - dst, - dstX0, dstY0, - dstX1, dstY1, - z, filter, - TGSI_WRITEMASK_XYZW ); -} - - /** * Copy pixel block from src texture to dst surface. * The sampler view's first_level field indicates the source @@ -747,8 +861,8 @@ util_blit_pixels_tex(struct blit_state *ctx, cso_save_vertex_buffers(ctx->cso); /* set misc state we care about */ - cso_set_blend(ctx->cso, &ctx->blend); - cso_set_depth_stencil_alpha(ctx->cso, &ctx->depthstencil_keep); + cso_set_blend(ctx->cso, &ctx->blend_write_color); + cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_keep_depthstencil); cso_set_rasterizer(ctx->cso, &ctx->rasterizer); cso_set_vertex_elements(ctx->cso, 2, ctx->velem); cso_set_stream_outputs(ctx->cso, 0, NULL, 0); @@ -775,7 +889,8 @@ util_blit_pixels_tex(struct blit_state *ctx, cso_set_fragment_sampler_views(ctx->cso, 1, &src_sampler_view); /* shaders */ - set_fragment_shader(ctx, TGSI_WRITEMASK_XYZW); + set_fragment_shader(ctx, TGSI_WRITEMASK_XYZW, + src_sampler_view->texture->target); set_vertex_shader(ctx); cso_set_geometry_shader_handle(ctx->cso, NULL); -- cgit v1.2.3