-/* Generic clear implementation (partially) using u_blitter: */
-static void
-fd_blitter_clear(struct pipe_context *pctx, unsigned buffers,
- const union pipe_color_union *color, double depth, unsigned stencil)
-{
- struct fd_context *ctx = fd_context(pctx);
- struct pipe_framebuffer_state *pfb = &ctx->batch->framebuffer;
- struct blitter_context *blitter = ctx->blitter;
-
- fd_blitter_pipe_begin(ctx, false, true, FD_STAGE_CLEAR);
-
- util_blitter_common_clear_setup(blitter, pfb->width, pfb->height,
- buffers, NULL, NULL);
-
- struct pipe_stencil_ref sr = {
- .ref_value = { stencil & 0xff }
- };
- pctx->set_stencil_ref(pctx, &sr);
-
- struct pipe_constant_buffer cb = {
- .buffer_size = 16,
- .user_buffer = &color->ui,
- };
- pctx->set_constant_buffer(pctx, PIPE_SHADER_FRAGMENT, 0, &cb);
-
- if (!ctx->clear_rs_state) {
- const struct pipe_rasterizer_state tmpl = {
- .cull_face = PIPE_FACE_NONE,
- .half_pixel_center = 1,
- .bottom_edge_rule = 1,
- .flatshade = 1,
- .depth_clip = 1,
- };
- ctx->clear_rs_state = pctx->create_rasterizer_state(pctx, &tmpl);
- }
- pctx->bind_rasterizer_state(pctx, ctx->clear_rs_state);
-
- struct pipe_viewport_state vp = {
- .scale = { 0.5f * pfb->width, -0.5f * pfb->height, depth },
- .translate = { 0.5f * pfb->width, 0.5f * pfb->height, 0.0f },
- };
- pctx->set_viewport_states(pctx, 0, 1, &vp);
-
- pctx->bind_vertex_elements_state(pctx, ctx->solid_vbuf_state.vtx);
- pctx->set_vertex_buffers(pctx, blitter->vb_slot, 1,
- &ctx->solid_vbuf_state.vertexbuf.vb[0]);
- pctx->set_stream_output_targets(pctx, 0, NULL, NULL);
- pctx->bind_vs_state(pctx, ctx->solid_prog.vp);
- pctx->bind_fs_state(pctx, ctx->solid_prog.fp);
-
- struct pipe_draw_info info = {
- .mode = PIPE_PRIM_MAX, /* maps to DI_PT_RECTLIST */
- .count = 2,
- .max_index = 1,
- .instance_count = 1,
- };
- ctx->draw_vbo(ctx, &info);
-
- util_blitter_restore_constant_buffer_state(blitter);
- util_blitter_restore_vertex_states(blitter);
- util_blitter_restore_fragment_states(blitter);
- util_blitter_restore_render_cond(blitter);
- util_blitter_unset_running_flag(blitter);
-
- fd_blitter_pipe_end(ctx);
-}
-
-/* TODO figure out how to make better use of existing state mechanism
- * for clear (and possibly gmem->mem / mem->gmem) so we can (a) keep
- * track of what state really actually changes, and (b) reduce the code
- * in the a2xx/a3xx parts.
- */
-