freedreno/a5xx: ARB_framebuffer_no_attachments support

Signed-off-by: Rob Clark <robdclark@gmail.com>

diff --git a/src/gallium/drivers/freedreno/a5xx/fd5_screen.c b/src/gallium/drivers/freedreno/a5xx/fd5_screen.c
index 96f83ed33402d96c3362efc12eef54d9285f32ed..2816c3615493ee5eafdb5b4b7f6e6d633781c23b 100644 (file)
--- a/src/gallium/drivers/freedreno/a5xx/fd5_screen.c
+++ b/src/gallium/drivers/freedreno/a5xx/fd5_screen.c
@@ -73,6 +73,11 @@ fd5_screen_is_format_supported(struct pipe_screen *pscreen,
                                PIPE_BIND_SHARED);
        }
 
+       /* For ARB_framebuffer_no_attachments: */
+       if ((usage & PIPE_BIND_RENDER_TARGET) && (format == PIPE_FORMAT_NONE)) {
+               retval |= usage & PIPE_BIND_RENDER_TARGET;
+       }
+
        if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
                        (fd5_pipe2depth(format) != (enum a5xx_depth_format)~0) &&
                        (fd5_pipe2tex(format) != (enum a5xx_tex_fmt)~0)) {

diff --git a/src/gallium/drivers/freedreno/freedreno_gmem.c b/src/gallium/drivers/freedreno/freedreno_gmem.c
index 9c534c4f26eb13462e48acdc0de06d170803a091..fef76733abfd962bafd56304c224a7f2370be180 100644 (file)
--- a/src/gallium/drivers/freedreno/freedreno_gmem.c
+++ b/src/gallium/drivers/freedreno/freedreno_gmem.c
@@ -397,6 +397,11 @@ fd_gmem_render_tiles(struct fd_batch *batch)
                } else if (!(fd_mesa_debug & FD_DBG_NOBYPASS)) {
                        sysmem = true;
                }
+
+               /* For ARB_framebuffer_no_attachments: */
+               if ((pfb->nr_cbufs == 0) && !pfb->zsbuf) {
+                       sysmem = true;
+               }
        }
 
        fd_reset_wfi(batch);

diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index 0061b200596120b9d1e28bf63fbb986bc502acec..62dfd2651c35d6f938b5a8d3b1c8c3157cc96a2c 100644 (file)
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -295,7 +295,6 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
        case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
        case PIPE_CAP_GENERATE_MIPMAP:
        case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
-       case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
        case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
        case PIPE_CAP_CULL_DISTANCE:
        case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
@@ -330,6 +329,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
                return 0;
 
        case PIPE_CAP_DRAW_INDIRECT:
+       case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
                if (is_a5xx(screen))
                        return 1;
                return 0;