diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/auxiliary/util/u_blit.c | 60 |
1 files changed, 43 insertions, 17 deletions
diff --git a/src/gallium/auxiliary/util/u_blit.c b/src/gallium/auxiliary/util/u_blit.c index 6fb341eaf2..dfb142b9e1 100644 --- a/src/gallium/auxiliary/util/u_blit.c +++ b/src/gallium/auxiliary/util/u_blit.c @@ -42,6 +42,7 @@ #include "util/u_blit.h" #include "util/u_draw_quad.h" +#include "util/u_format.h" #include "util/u_math.h" #include "util/u_memory.h" #include "util/u_sampler.h" @@ -56,7 +57,8 @@ struct blit_state struct cso_context *cso; struct pipe_blend_state blend; - struct pipe_depth_stencil_alpha_state depthstencil; + struct pipe_depth_stencil_alpha_state depthstencil_keep; + struct pipe_depth_stencil_alpha_state depthstencil_write; struct pipe_rasterizer_state rasterizer; struct pipe_sampler_state sampler; struct pipe_viewport_state viewport; @@ -66,6 +68,7 @@ struct blit_state void *vs; void *fs[TGSI_WRITEMASK_XYZW + 1]; + void *fs_depth; struct pipe_resource *vbuf; /**< quad vertices */ unsigned vbuf_slot; @@ -96,7 +99,11 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso) ctx->blend.rt[0].colormask = PIPE_MASK_RGBA; /* no-op depth/stencil/alpha */ - memset(&ctx->depthstencil, 0, sizeof(ctx->depthstencil)); + 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; /* rasterizer */ memset(&ctx->rasterizer, 0, sizeof(ctx->rasterizer)); @@ -169,6 +176,9 @@ util_destroy_blit(struct blit_state *ctx) if (ctx->fs[i]) pipe->delete_fs_state(pipe, ctx->fs[i]); + if (ctx->fs_depth) + pipe->delete_fs_state(pipe, ctx->fs_depth); + pipe_resource_reference(&ctx->vbuf, NULL); FREE(ctx); @@ -276,7 +286,7 @@ regions_overlap(int srcX0, int srcY0, * \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 Z and/or stencil. + * XXX need some control over blitting stencil. */ void util_blit_pixels_writemask(struct blit_state *ctx, @@ -299,7 +309,7 @@ util_blit_pixels_writemask(struct blit_state *ctx, const int srcW = abs(srcX1 - srcX0); const int srcH = abs(srcY1 - srcY0); unsigned offset; - boolean overlap; + boolean overlap, dst_is_depth; float s0, t0, s1, t1; boolean normalized; @@ -444,14 +454,15 @@ 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, 0)); assert(screen->is_format_supported(screen, dst->format, ctx->internal_target, dst->texture->nr_samples, - PIPE_BIND_RENDER_TARGET, 0)); - + dst_is_depth ? PIPE_BIND_DEPTH_STENCIL : + PIPE_BIND_RENDER_TARGET, 0)); /* save state (restored below) */ cso_save_blend(ctx->cso); cso_save_depth_stencil_alpha(ctx->cso); @@ -467,7 +478,9 @@ util_blit_pixels_writemask(struct blit_state *ctx, /* set misc state we care about */ cso_set_blend(ctx->cso, &ctx->blend); - cso_set_depth_stencil_alpha(ctx->cso, &ctx->depthstencil); + cso_set_depth_stencil_alpha(ctx->cso, + dst_is_depth ? &ctx->depthstencil_write : + &ctx->depthstencil_keep); cso_set_rasterizer(ctx->cso, &ctx->rasterizer); cso_set_clip(ctx->cso, &ctx->clip); cso_set_vertex_elements(ctx->cso, 2, ctx->velem); @@ -496,22 +509,35 @@ util_blit_pixels_writemask(struct blit_state *ctx, /* texture */ cso_set_fragment_sampler_views(ctx->cso, 1, &sampler_view); - if (ctx->fs[writemask] == NULL) - ctx->fs[writemask] = - util_make_fragment_tex_shader_writemask(pipe, TGSI_TEXTURE_2D, - TGSI_INTERPOLATE_LINEAR, - writemask); - /* shaders */ - cso_set_fragment_shader_handle(ctx->cso, ctx->fs[writemask]); + if (dst_is_depth) { + if (ctx->fs_depth == NULL) + ctx->fs_depth = + util_make_fragment_tex_shader_writedepth(pipe, TGSI_TEXTURE_2D, + TGSI_INTERPOLATE_LINEAR); + + cso_set_fragment_shader_handle(ctx->cso, ctx->fs_depth); + } else { + if (ctx->fs[writemask] == NULL) + ctx->fs[writemask] = + util_make_fragment_tex_shader_writemask(pipe, TGSI_TEXTURE_2D, + TGSI_INTERPOLATE_LINEAR, + writemask); + + cso_set_fragment_shader_handle(ctx->cso, ctx->fs[writemask]); + } cso_set_vertex_shader_handle(ctx->cso, ctx->vs); /* drawing dest */ memset(&fb, 0, sizeof(fb)); fb.width = dst->width; fb.height = dst->height; - fb.nr_cbufs = 1; - fb.cbufs[0] = dst; + if (dst_is_depth) { + fb.zsbuf = dst; + } else { + fb.nr_cbufs = 1; + fb.cbufs[0] = dst; + } cso_set_framebuffer(ctx->cso, &fb); /* draw quad */ @@ -644,7 +670,7 @@ util_blit_pixels_tex(struct blit_state *ctx, /* set misc state we care about */ cso_set_blend(ctx->cso, &ctx->blend); - cso_set_depth_stencil_alpha(ctx->cso, &ctx->depthstencil); + cso_set_depth_stencil_alpha(ctx->cso, &ctx->depthstencil_keep); cso_set_rasterizer(ctx->cso, &ctx->rasterizer); cso_set_clip(ctx->cso, &ctx->clip); cso_set_vertex_elements(ctx->cso, 2, ctx->velem); |