[Mesa-dev] [PATCH] freedreno/a4xx: add ARB_framebuffer_no_attachments support

[Ilia Mirkin]

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
 docs/features.txt                                | 4 ++--
 src/gallium/drivers/freedreno/a4xx/fd4_screen.c  | 5 +++++
 src/gallium/drivers/freedreno/freedreno_screen.c | 2 +-
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/docs/features.txt b/docs/features.txt
index 59f7a180700..01cd133ef01 100644
--- a/docs/features.txt
+++ b/docs/features.txt
@@ -172,7 +172,7 @@ GL 4.3, GLSL 4.30 -- all DONE: i965/gen8+, nvc0, radeonsi
   GL_KHR_debug                                          DONE (all drivers)
   GL_ARB_explicit_uniform_location                      DONE (all drivers that support GLSL)
   GL_ARB_fragment_layer_viewport                        DONE (i965, nv50, r600, llvmpipe, softpipe)
-  GL_ARB_framebuffer_no_attachments                     DONE (freedreno/a5xx, i965, r600, softpipe)
+  GL_ARB_framebuffer_no_attachments                     DONE (freedreno, i965, r600, softpipe)
   GL_ARB_internalformat_query2                          DONE (all drivers)
   GL_ARB_invalidate_subdata                             DONE (all drivers)
   GL_ARB_multi_draw_indirect                            DONE (freedreno, i965, r600, llvmpipe, softpipe, swr)
@@ -244,7 +244,7 @@ GLES3.1, GLSL ES 3.1 -- all DONE: i965/hsw+, nvc0, radeonsi
   GL_ARB_compute_shader                                 DONE (freedreno/a5xx, i965/gen7+, softpipe)
   GL_ARB_draw_indirect                                  DONE (freedreno, i965/gen7+, r600, llvmpipe, softpipe, swr)
   GL_ARB_explicit_uniform_location                      DONE (all drivers that support GLSL)
-  GL_ARB_framebuffer_no_attachments                     DONE (freedreno/a5xx, i965/gen7+, r600, softpipe)
+  GL_ARB_framebuffer_no_attachments                     DONE (freedreno, i965/gen7+, r600, softpipe)
   GL_ARB_program_interface_query                        DONE (all drivers)
   GL_ARB_shader_atomic_counters                         DONE (freedreno/a5xx, i965/gen7+, r600, softpipe)
   GL_ARB_shader_image_load_store                        DONE (freedreno/a5xx, i965/gen7+, r600, softpipe)
diff --git a/src/gallium/drivers/freedreno/a4xx/fd4_screen.c b/src/gallium/drivers/freedreno/a4xx/fd4_screen.c
index 6006bb96b3a..1b81f8db2f3 100644
--- a/src/gallium/drivers/freedreno/a4xx/fd4_screen.c
+++ b/src/gallium/drivers/freedreno/a4xx/fd4_screen.c
@@ -75,6 +75,11 @@ fd4_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) &&
 			(fd4_pipe2depth(format) != (enum a4xx_depth_format)~0) &&
 			(fd4_pipe2tex(format) != (enum a4xx_tex_fmt)~0)) {
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index 3fa28e3f310..aea56a180af 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -338,7 +338,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 		return 0;
 
 	case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
-		if (is_a5xx(screen))
+		if (is_a4xx(screen) || is_a5xx(screen))
 			return 1;
 		return 0;
 
-- 
2.13.6