From f668ea11bd0b1f662e0be523a4bc46835e011ffa Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Thu, 12 Aug 2010 13:34:53 +0200 Subject: Revert "u_blitter: unify clear_depth_stencil and flush_depth_stencil" This reverts commit de4784e36505316c2a5ab34cc5b371d17f38d3c5. --- src/gallium/auxiliary/util/u_blitter.c | 46 ++++++++++++++++++++++++++++++++++ src/gallium/auxiliary/util/u_blitter.h | 2 ++ 2 files changed, 48 insertions(+) (limited to 'src/gallium/auxiliary') diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c index 1b9e957e3c..b5b86b7214 100644 --- a/src/gallium/auxiliary/util/u_blitter.c +++ b/src/gallium/auxiliary/util/u_blitter.c @@ -87,6 +87,7 @@ struct blitter_context_priv void *dsa_write_depth_keep_stencil; void *dsa_keep_depth_stencil; void *dsa_keep_depth_write_stencil; + void *dsa_flush_depth_stencil; void *velem_state; @@ -157,6 +158,12 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe) pipe->create_depth_stencil_alpha_state(pipe, &dsa); dsa.depth.writemask = 1; + ctx->dsa_flush_depth_stencil = + pipe->create_depth_stencil_alpha_state(pipe, &dsa); + + dsa.depth.enabled = 1; + dsa.depth.writemask = 1; + dsa.depth.func = PIPE_FUNC_ALWAYS; ctx->dsa_write_depth_keep_stencil = pipe->create_depth_stencil_alpha_state(pipe, &dsa); @@ -938,3 +945,42 @@ void util_blitter_clear_depth_stencil(struct blitter_context *blitter, UTIL_BLITTER_ATTRIB_NONE, NULL); blitter_restore_CSOs(ctx); } + +/* Clear a region of a depth stencil surface. */ +void util_blitter_flush_depth_stencil(struct blitter_context *blitter, + struct pipe_surface *dstsurf) +{ + struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; + struct pipe_context *pipe = ctx->base.pipe; + struct pipe_framebuffer_state fb_state; + + assert(dstsurf->texture); + if (!dstsurf->texture) + return; + + /* check the saved state */ + blitter_check_saved_CSOs(ctx); + assert(blitter->saved_fb_state.nr_cbufs != ~0); + + /* bind CSOs */ + pipe->bind_blend_state(pipe, ctx->blend_keep_color); + pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_flush_depth_stencil); + + pipe->bind_rasterizer_state(pipe, ctx->rs_state); + pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 0)); + pipe->bind_vs_state(pipe, ctx->vs_col); + pipe->bind_vertex_elements_state(pipe, ctx->velem_state); + + /* set a framebuffer state */ + fb_state.width = dstsurf->width; + fb_state.height = dstsurf->height; + fb_state.nr_cbufs = 0; + fb_state.cbufs[0] = 0; + fb_state.zsbuf = dstsurf; + pipe->set_framebuffer_state(pipe, &fb_state); + + blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); + blitter->draw_rectangle(blitter, 0, 0, dstsurf->width, dstsurf->height, 0, + UTIL_BLITTER_ATTRIB_NONE, NULL); + blitter_restore_CSOs(ctx); +} diff --git a/src/gallium/auxiliary/util/u_blitter.h b/src/gallium/auxiliary/util/u_blitter.h index ba3f92eca8..f316587dea 100644 --- a/src/gallium/auxiliary/util/u_blitter.h +++ b/src/gallium/auxiliary/util/u_blitter.h @@ -200,6 +200,8 @@ void util_blitter_clear_depth_stencil(struct blitter_context *blitter, unsigned dstx, unsigned dsty, unsigned width, unsigned height); +void util_blitter_flush_depth_stencil(struct blitter_context *blitter, + struct pipe_surface *dstsurf); /* The functions below should be used to save currently bound constant state * objects inside a driver. The objects are automatically restored at the end * of the util_blitter_{clear, copy_region, fill_region} functions and then -- cgit v1.2.3