diff options
| -rw-r--r-- | src/gallium/auxiliary/util/u_blitter.c | 64 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_blitter.h | 5 |
2 files changed, 69 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c index 98c3ac5df3..4748627fc5 100644 --- a/src/gallium/auxiliary/util/u_blitter.c +++ b/src/gallium/auxiliary/util/u_blitter.c @@ -129,6 +129,8 @@ struct blitter_context_priv unsigned dst_width; unsigned dst_height; + void *custom_vs; + bool has_geometry_shader; bool has_tessellation; bool has_layered; @@ -2564,3 +2566,65 @@ void util_blitter_custom_color(struct blitter_context *blitter, util_blitter_restore_render_cond(blitter); util_blitter_unset_running_flag(blitter); } + +static void *get_custom_vs(struct blitter_context *blitter) +{ + struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; + + return ctx->custom_vs; +} + +/** + * Performs a custom blit to the destination surface, using the VS and FS + * provided. + * + * Used by vc4 for the 8-bit linear-to-tiled blit. + */ +void util_blitter_custom_shader(struct blitter_context *blitter, + struct pipe_surface *dstsurf, + void *custom_vs, void *custom_fs) +{ + struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; + struct pipe_context *pipe = ctx->base.pipe; + struct pipe_framebuffer_state fb_state; + + ctx->custom_vs = custom_vs; + + assert(dstsurf->texture); + if (!dstsurf->texture) + return; + + /* check the saved state */ + util_blitter_set_running_flag(blitter); + blitter_check_saved_vertex_states(ctx); + blitter_check_saved_fragment_states(ctx); + blitter_check_saved_fb_state(ctx); + blitter_disable_render_cond(ctx); + + /* bind states */ + pipe->bind_blend_state(pipe, ctx->blend[PIPE_MASK_RGBA][0]); + pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); + pipe->bind_fs_state(pipe, custom_fs); + pipe->set_sample_mask(pipe, (1ull << MAX2(1, dstsurf->texture->nr_samples)) - 1); + + /* set a framebuffer state */ + fb_state.width = dstsurf->width; + fb_state.height = dstsurf->height; + fb_state.nr_cbufs = 1; + fb_state.cbufs[0] = dstsurf; + fb_state.zsbuf = 0; + pipe->set_framebuffer_state(pipe, &fb_state); + pipe->set_sample_mask(pipe, ~0); + + blitter_set_common_draw_rect_state(ctx, false); + blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); + blitter->draw_rectangle(blitter, ctx->velem_state, get_custom_vs, + 0, 0, dstsurf->width, dstsurf->height, + 0, 1, UTIL_BLITTER_ATTRIB_NONE, NULL); + + util_blitter_restore_vertex_states(blitter); + util_blitter_restore_fragment_states(blitter); + util_blitter_restore_fb_state(blitter); + util_blitter_restore_render_cond(blitter); + util_blitter_unset_running_flag(blitter); +} diff --git a/src/gallium/auxiliary/util/u_blitter.h b/src/gallium/auxiliary/util/u_blitter.h index dba773906a..9e945983ba 100644 --- a/src/gallium/auxiliary/util/u_blitter.h +++ b/src/gallium/auxiliary/util/u_blitter.h @@ -384,6 +384,11 @@ void util_blitter_custom_resolve_color(struct blitter_context *blitter, void *custom_blend, enum pipe_format format); +/* Used by vc4 for 8/16-bit linear-to-tiled blits */ +void util_blitter_custom_shader(struct blitter_context *blitter, + struct pipe_surface *dstsurf, + void *custom_vs, void *custom_fs); + /* 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 |