freedreno/a4xx: use generic clear path
[mesa.git] / src / gallium / drivers / freedreno / a4xx / fd4_draw.c
index 200e4f26876b11d5c3e977a0ea37033cec4c72d0..06d16fe934f9bd7122951b2824961cd923dd057d 100644 (file)
@@ -131,9 +131,8 @@ fd4_draw_vbo(struct fd_context *ctx, const struct pipe_draw_info *info)
                        .vclamp_color = ctx->rasterizer->clamp_vertex_color,
                        .fclamp_color = ctx->rasterizer->clamp_fragment_color,
                        .rasterflat = ctx->rasterizer->flatshade,
-                       // TODO set .half_precision based on render target format,
-                       // ie. float16 and smaller use half, float32 use full..
-                       .half_precision = !!(fd_mesa_debug & FD_DBG_FRAGHALF),
+                       .half_precision = ctx->in_blit &&
+                                       fd_half_precision(&ctx->batch->framebuffer),
                        .ucp_enables = ctx->rasterizer->clip_plane_enable,
                        .has_per_samp = (fd4_ctx->fsaturate || fd4_ctx->vsaturate ||
                                        fd4_ctx->fastc_srgb || fd4_ctx->vastc_srgb),
@@ -193,220 +192,9 @@ fd4_draw_vbo(struct fd_context *ctx, const struct pipe_draw_info *info)
        return true;
 }
 
-/* clear operations ignore viewport state, so we need to reset it
- * based on framebuffer state:
- */
-static void
-reset_viewport(struct fd_ringbuffer *ring, struct pipe_framebuffer_state *pfb)
-{
-       float half_width = pfb->width * 0.5f;
-       float half_height = pfb->height * 0.5f;
-
-       OUT_PKT0(ring, REG_A4XX_GRAS_CL_VPORT_XOFFSET_0, 4);
-       OUT_RING(ring, A4XX_GRAS_CL_VPORT_XOFFSET_0(half_width));
-       OUT_RING(ring, A4XX_GRAS_CL_VPORT_XSCALE_0(half_width));
-       OUT_RING(ring, A4XX_GRAS_CL_VPORT_YOFFSET_0(half_height));
-       OUT_RING(ring, A4XX_GRAS_CL_VPORT_YSCALE_0(-half_height));
-}
-
-/* TODO maybe we should just migrate u_blitter for clear and do it in
- * core (so we get normal draw pass state mgmt and binning).. That should
- * work well enough for a3xx/a4xx (but maybe not a2xx?)
- */
-
-static void
-fd4_clear_binning(struct fd_context *ctx, unsigned dirty)
-{
-       struct fd_ringbuffer *ring = ctx->batch->binning;
-       struct fd4_emit emit = {
-               .debug = &ctx->debug,
-               .vtx  = &ctx->solid_vbuf_state,
-               .prog = &ctx->solid_prog,
-               .key = {
-                       .binning_pass = true,
-                       .half_precision = true,
-               },
-               .dirty = dirty,
-       };
-
-       fd4_emit_state(ctx, ring, &emit);
-       fd4_emit_vertex_bufs(ring, &emit);
-       reset_viewport(ring, &ctx->batch->framebuffer);
-
-       OUT_PKT0(ring, REG_A4XX_PC_PRIM_VTX_CNTL, 2);
-       OUT_RING(ring, A4XX_PC_PRIM_VTX_CNTL_VAROUT(0) |
-                       A4XX_PC_PRIM_VTX_CNTL_PROVOKING_VTX_LAST);
-       OUT_RING(ring, A4XX_PC_PRIM_VTX_CNTL2_POLYMODE_FRONT_PTYPE(PC_DRAW_TRIANGLES) |
-                       A4XX_PC_PRIM_VTX_CNTL2_POLYMODE_BACK_PTYPE(PC_DRAW_TRIANGLES));
-
-       OUT_PKT0(ring, REG_A4XX_GRAS_ALPHA_CONTROL, 1);
-       OUT_RING(ring, 0x00000002);
-
-       fd4_draw(ctx->batch, ring, DI_PT_RECTLIST, IGNORE_VISIBILITY,
-                       DI_SRC_SEL_AUTO_INDEX, 2, 1, INDEX_SIZE_IGN, 0, 0, NULL);
-}
-
-static void
-fd4_clear(struct fd_context *ctx, unsigned buffers,
-               const union pipe_color_union *color, double depth, unsigned stencil)
-{
-       struct fd_ringbuffer *ring = ctx->batch->draw;
-       struct pipe_framebuffer_state *pfb = &ctx->batch->framebuffer;
-       unsigned char mrt_comp[A4XX_MAX_RENDER_TARGETS] = {0};
-       unsigned dirty = ctx->dirty;
-       unsigned i;
-       struct fd4_emit emit = {
-               .debug = &ctx->debug,
-               .vtx  = &ctx->solid_vbuf_state,
-               .prog = &ctx->solid_prog,
-               .key = {
-                       .half_precision = fd_half_precision(pfb),
-               },
-       };
-
-       dirty &= FD_DIRTY_FRAMEBUFFER | FD_DIRTY_SCISSOR;
-       dirty |= FD_DIRTY_PROG;
-       emit.dirty = dirty;
-
-       fd4_clear_binning(ctx, dirty);
-
-       OUT_PKT0(ring, REG_A4XX_PC_PRIM_VTX_CNTL, 1);
-       OUT_RING(ring, A4XX_PC_PRIM_VTX_CNTL_PROVOKING_VTX_LAST);
-
-       /* emit generic state now: */
-       fd4_emit_state(ctx, ring, &emit);
-       reset_viewport(ring, pfb);
-
-       if (buffers & PIPE_CLEAR_DEPTH) {
-               OUT_PKT0(ring, REG_A4XX_RB_DEPTH_CONTROL, 1);
-               OUT_RING(ring, A4XX_RB_DEPTH_CONTROL_Z_WRITE_ENABLE |
-                               A4XX_RB_DEPTH_CONTROL_Z_ENABLE |
-                               A4XX_RB_DEPTH_CONTROL_ZFUNC(FUNC_ALWAYS));
-
-               fd_wfi(ctx->batch, ring);
-               OUT_PKT0(ring, REG_A4XX_GRAS_CL_VPORT_ZOFFSET_0, 2);
-               OUT_RING(ring, A4XX_GRAS_CL_VPORT_ZOFFSET_0(0.0));
-               OUT_RING(ring, A4XX_GRAS_CL_VPORT_ZSCALE_0(depth));
-               ctx->dirty |= FD_DIRTY_VIEWPORT;
-       } else {
-               OUT_PKT0(ring, REG_A4XX_RB_DEPTH_CONTROL, 1);
-               OUT_RING(ring, A4XX_RB_DEPTH_CONTROL_ZFUNC(FUNC_NEVER));
-       }
-
-       if (buffers & PIPE_CLEAR_STENCIL) {
-               OUT_PKT0(ring, REG_A4XX_RB_STENCILREFMASK, 2);
-               OUT_RING(ring, A4XX_RB_STENCILREFMASK_STENCILREF(stencil) |
-                               A4XX_RB_STENCILREFMASK_STENCILMASK(stencil) |
-                               A4XX_RB_STENCILREFMASK_STENCILWRITEMASK(0xff));
-               OUT_RING(ring, A4XX_RB_STENCILREFMASK_STENCILREF(0) |
-                               A4XX_RB_STENCILREFMASK_STENCILMASK(0) |
-                               0xff000000 | // XXX ???
-                               A4XX_RB_STENCILREFMASK_STENCILWRITEMASK(0xff));
-
-               OUT_PKT0(ring, REG_A4XX_RB_STENCIL_CONTROL, 2);
-               OUT_RING(ring, A4XX_RB_STENCIL_CONTROL_STENCIL_ENABLE |
-                               A4XX_RB_STENCIL_CONTROL_FUNC(FUNC_ALWAYS) |
-                               A4XX_RB_STENCIL_CONTROL_FAIL(STENCIL_KEEP) |
-                               A4XX_RB_STENCIL_CONTROL_ZPASS(STENCIL_REPLACE) |
-                               A4XX_RB_STENCIL_CONTROL_ZFAIL(STENCIL_KEEP) |
-                               A4XX_RB_STENCIL_CONTROL_FUNC_BF(FUNC_NEVER) |
-                               A4XX_RB_STENCIL_CONTROL_FAIL_BF(STENCIL_KEEP) |
-                               A4XX_RB_STENCIL_CONTROL_ZPASS_BF(STENCIL_KEEP) |
-                               A4XX_RB_STENCIL_CONTROL_ZFAIL_BF(STENCIL_KEEP));
-               OUT_RING(ring, A4XX_RB_STENCIL_CONTROL2_STENCIL_BUFFER);
-       } else {
-               OUT_PKT0(ring, REG_A4XX_RB_STENCILREFMASK, 2);
-               OUT_RING(ring, A4XX_RB_STENCILREFMASK_STENCILREF(0) |
-                               A4XX_RB_STENCILREFMASK_STENCILMASK(0) |
-                               A4XX_RB_STENCILREFMASK_STENCILWRITEMASK(0));
-               OUT_RING(ring, A4XX_RB_STENCILREFMASK_BF_STENCILREF(0) |
-                               A4XX_RB_STENCILREFMASK_BF_STENCILMASK(0) |
-                               A4XX_RB_STENCILREFMASK_BF_STENCILWRITEMASK(0));
-
-               OUT_PKT0(ring, REG_A4XX_RB_STENCIL_CONTROL, 2);
-               OUT_RING(ring, A4XX_RB_STENCIL_CONTROL_FUNC(FUNC_NEVER) |
-                               A4XX_RB_STENCIL_CONTROL_FAIL(STENCIL_KEEP) |
-                               A4XX_RB_STENCIL_CONTROL_ZPASS(STENCIL_KEEP) |
-                               A4XX_RB_STENCIL_CONTROL_ZFAIL(STENCIL_KEEP) |
-                               A4XX_RB_STENCIL_CONTROL_FUNC_BF(FUNC_NEVER) |
-                               A4XX_RB_STENCIL_CONTROL_FAIL_BF(STENCIL_KEEP) |
-                               A4XX_RB_STENCIL_CONTROL_ZPASS_BF(STENCIL_KEEP) |
-                               A4XX_RB_STENCIL_CONTROL_ZFAIL_BF(STENCIL_KEEP));
-               OUT_RING(ring, 0x00000000); /* RB_STENCIL_CONTROL2 */
-       }
-
-       if (buffers & PIPE_CLEAR_COLOR) {
-               OUT_PKT0(ring, REG_A4XX_RB_ALPHA_CONTROL, 1);
-               OUT_RING(ring, A4XX_RB_ALPHA_CONTROL_ALPHA_TEST_FUNC(FUNC_NEVER));
-       }
-
-       for (i = 0; i < A4XX_MAX_RENDER_TARGETS; i++) {
-               mrt_comp[i] = (buffers & (PIPE_CLEAR_COLOR0 << i)) ? 0xf : 0x0;
-
-               OUT_PKT0(ring, REG_A4XX_RB_MRT_CONTROL(i), 1);
-               OUT_RING(ring, A4XX_RB_MRT_CONTROL_ROP_CODE(ROP_COPY) |
-                               A4XX_RB_MRT_CONTROL_COMPONENT_ENABLE(0xf));
-
-               OUT_PKT0(ring, REG_A4XX_RB_MRT_BLEND_CONTROL(i), 1);
-               OUT_RING(ring, A4XX_RB_MRT_BLEND_CONTROL_RGB_SRC_FACTOR(FACTOR_ONE) |
-                               A4XX_RB_MRT_BLEND_CONTROL_RGB_BLEND_OPCODE(BLEND_DST_PLUS_SRC) |
-                               A4XX_RB_MRT_BLEND_CONTROL_RGB_DEST_FACTOR(FACTOR_ZERO) |
-                               A4XX_RB_MRT_BLEND_CONTROL_ALPHA_SRC_FACTOR(FACTOR_ONE) |
-                               A4XX_RB_MRT_BLEND_CONTROL_ALPHA_BLEND_OPCODE(BLEND_DST_PLUS_SRC) |
-                               A4XX_RB_MRT_BLEND_CONTROL_ALPHA_DEST_FACTOR(FACTOR_ZERO));
-       }
-
-       OUT_PKT0(ring, REG_A4XX_RB_RENDER_COMPONENTS, 1);
-       OUT_RING(ring, A4XX_RB_RENDER_COMPONENTS_RT0(mrt_comp[0]) |
-                       A4XX_RB_RENDER_COMPONENTS_RT1(mrt_comp[1]) |
-                       A4XX_RB_RENDER_COMPONENTS_RT2(mrt_comp[2]) |
-                       A4XX_RB_RENDER_COMPONENTS_RT3(mrt_comp[3]) |
-                       A4XX_RB_RENDER_COMPONENTS_RT4(mrt_comp[4]) |
-                       A4XX_RB_RENDER_COMPONENTS_RT5(mrt_comp[5]) |
-                       A4XX_RB_RENDER_COMPONENTS_RT6(mrt_comp[6]) |
-                       A4XX_RB_RENDER_COMPONENTS_RT7(mrt_comp[7]));
-
-       fd4_emit_vertex_bufs(ring, &emit);
-
-       OUT_PKT0(ring, REG_A4XX_GRAS_ALPHA_CONTROL, 1);
-       OUT_RING(ring, 0x0);          /* XXX GRAS_ALPHA_CONTROL */
-
-       OUT_PKT0(ring, REG_A4XX_GRAS_CLEAR_CNTL, 1);
-       OUT_RING(ring, 0x00000000);
-
-       /* until fastclear works: */
-       fd4_emit_const(ring, SHADER_FRAGMENT, 0, 0, 4, color->ui, NULL);
-
-       OUT_PKT0(ring, REG_A4XX_VFD_INDEX_OFFSET, 2);
-       OUT_RING(ring, 0);            /* VFD_INDEX_OFFSET */
-       OUT_RING(ring, 0);            /* ??? UNKNOWN_2209 */
-
-       OUT_PKT0(ring, REG_A4XX_PC_RESTART_INDEX, 1);
-       OUT_RING(ring, 0xffffffff);   /* PC_RESTART_INDEX */
-
-       OUT_PKT3(ring, CP_UNKNOWN_1A, 1);
-       OUT_RING(ring, 0x00000001);
-
-       fd4_draw(ctx->batch, ring, DI_PT_RECTLIST, USE_VISIBILITY,
-                       DI_SRC_SEL_AUTO_INDEX, 2, 1, INDEX_SIZE_IGN, 0, 0, NULL);
-
-       OUT_PKT3(ring, CP_UNKNOWN_1A, 1);
-       OUT_RING(ring, 0x00000000);
-
-       OUT_PKT0(ring, REG_A4XX_GRAS_CLEAR_CNTL, 1);
-       OUT_RING(ring, A4XX_GRAS_CLEAR_CNTL_NOT_FASTCLEAR);
-
-       OUT_PKT0(ring, REG_A4XX_GRAS_SC_CONTROL, 1);
-       OUT_RING(ring, A4XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
-                       A4XX_GRAS_SC_CONTROL_MSAA_DISABLE |
-                       A4XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
-                       A4XX_GRAS_SC_CONTROL_RASTER_MODE(0));
-}
-
 void
 fd4_draw_init(struct pipe_context *pctx)
 {
        struct fd_context *ctx = fd_context(pctx);
        ctx->draw_vbo = fd4_draw_vbo;
-       ctx->clear = fd4_clear;
 }