[Mesa-dev] [PATCH 3/3] panfrost: Identify 4-bit channel texture formats

[Alyssa Rosenzweig]

Signed-off-by: Alyssa Rosenzweig <aly...@rosenzweig.io>
---
 src/gallium/drivers/panfrost/include/panfrost-job.h | 3 +++
 src/gallium/drivers/panfrost/pan_format.c           | 2 ++
 src/gallium/drivers/panfrost/pan_pretty_print.c     | 1 +
 3 files changed, 6 insertions(+)

diff --git a/src/gallium/drivers/panfrost/include/panfrost-job.h 
b/src/gallium/drivers/panfrost/include/panfrost-job.h
index 7bbef5a5400..ace0b8454fd 100644
--- a/src/gallium/drivers/panfrost/include/panfrost-job.h
+++ b/src/gallium/drivers/panfrost/include/panfrost-job.h
@@ -294,6 +294,8 @@ struct mali_channel_swizzle {
  * bits mean.
  */
 
+#define MALI_CHANNEL_4 2
+
 #define MALI_CHANNEL_8 3
 
 #define MALI_CHANNEL_16 4
@@ -367,6 +369,7 @@ enum mali_format {
        MALI_RGB16_UNORM  = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(3) | 
MALI_CHANNEL_16,
        MALI_RGB32_UNORM  = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(3) | 
MALI_CHANNEL_32,
        MALI_RGB32F = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(3) | 
MALI_CHANNEL_FLOAT,
+       MALI_RGBA4_UNORM  = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(4) | 
MALI_CHANNEL_4,
        MALI_RGBA8_UNORM  = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(4) | 
MALI_CHANNEL_8,
        MALI_RGBA16_UNORM = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(4) | 
MALI_CHANNEL_16,
        MALI_RGBA32_UNORM = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(4) | 
MALI_CHANNEL_32,
diff --git a/src/gallium/drivers/panfrost/pan_format.c 
b/src/gallium/drivers/panfrost/pan_format.c
index b81206412ae..cac8a3d0859 100644
--- a/src/gallium/drivers/panfrost/pan_format.c
+++ b/src/gallium/drivers/panfrost/pan_format.c
@@ -91,6 +91,8 @@ static unsigned
 panfrost_translate_channel_width(unsigned size)
 {
         switch (size) {
+                case 4:
+                        return MALI_CHANNEL_4;
                 case 8:
                         return MALI_CHANNEL_8;
                 case 16:
diff --git a/src/gallium/drivers/panfrost/pan_pretty_print.c 
b/src/gallium/drivers/panfrost/pan_pretty_print.c
index e2a8d9e1461..3c1b367f251 100644
--- a/src/gallium/drivers/panfrost/pan_pretty_print.c
+++ b/src/gallium/drivers/panfrost/pan_pretty_print.c
@@ -90,6 +90,7 @@ char *pandecode_format_name(enum mali_format format)
        DEFINE_CASE(RGB16_UNORM);
        DEFINE_CASE(RGB32_UNORM);
        DEFINE_CASE(RGB32F);
+       DEFINE_CASE(RGBA4_UNORM);
        DEFINE_CASE(RGBA8_UNORM);
        DEFINE_CASE(RGBA16_UNORM);
        DEFINE_CASE(RGBA32_UNORM);
-- 
2.20.1

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