Mesa (master): r600g: check for PIPE_BIND_BLENDABLE in is_format_supported

[Marek Olšák]

Module: Mesa
Branch: master
Commit: 04eb8b85ea2eb5865d4f42e9e98c7400cd8344f5
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=04eb8b85ea2eb5865d4f42e9e98c7400cd8344f5

Author: Christoph Bumiller <christoph.bumiller at speed.at>
Date:   Sat May 17 01:20:14 2014 +0200

r600g: check for PIPE_BIND_BLENDABLE in is_format_supported

v2: added !util_format_is_depth_or_stencil(format)

Signed-off-by: Marek Olšák <marek.olsak at amd.com>

---

 src/gallium/drivers/r600/evergreen_state.c |    9 +++++++++
 src/gallium/drivers/r600/r600_state.c      |    9 +++++++++
 2 files changed, 18 insertions(+)

diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index 7b1a44b..5824fe0 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -227,6 +227,11 @@ static bool r600_is_zs_format_supported(enum pipe_format format)
 	return r600_translate_dbformat(format) != ~0U;
 }
 
+static inline bool r600_is_blending_supported(enum pipe_format format)
+{
+	return !(util_format_is_pure_integer(format) || util_format_is_depth_or_stencil(format));
+}
+
 boolean evergreen_is_format_supported(struct pipe_screen *screen,
 				      enum pipe_format format,
 				      enum pipe_texture_target target,
@@ -295,6 +300,10 @@ boolean evergreen_is_format_supported(struct pipe_screen *screen,
 	if (usage & PIPE_BIND_TRANSFER_WRITE)
 		retval |= PIPE_BIND_TRANSFER_WRITE;
 
+	if ((usage & PIPE_BIND_BLENDABLE) &&
+	    r600_is_blending_supported(format))
+		retval |= PIPE_BIND_BLENDABLE;
+
 	return retval == usage;
 }
 
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index a0ba131..31d7bd0 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -157,6 +157,11 @@ static bool r600_is_zs_format_supported(enum pipe_format format)
 	return r600_translate_dbformat(format) != ~0U;
 }
 
+static inline bool r600_is_blending_supported(enum pipe_format format)
+{
+	return !(util_format_is_pure_integer(format) || util_format_is_depth_or_stencil(format));
+}
+
 boolean r600_is_format_supported(struct pipe_screen *screen,
 				 enum pipe_format format,
 				 enum pipe_texture_target target,
@@ -235,6 +240,10 @@ boolean r600_is_format_supported(struct pipe_screen *screen,
 	if (usage & PIPE_BIND_TRANSFER_WRITE)
 		retval |= PIPE_BIND_TRANSFER_WRITE;
 
+	if ((usage & PIPE_BIND_BLENDABLE) &&
+	    r600_is_blending_supported(format))
+		retval |= PIPE_BIND_BLENDABLE;
+
 	return retval == usage;
 }