[Mesa-dev] [PATCH 1/4] etnaviv: add support for extended texture formats

[Christian Gmeiner]

Signed-off-by: Christian Gmeiner <christian.gmeiner at gmail.com>
---
 src/gallium/drivers/etnaviv/etnaviv_format.c  | 2 +-
 src/gallium/drivers/etnaviv/etnaviv_format.h  | 1 +
 src/gallium/drivers/etnaviv/etnaviv_screen.c  | 3 +++
 src/gallium/drivers/etnaviv/etnaviv_texture.c | 8 +++++---
 4 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/gallium/drivers/etnaviv/etnaviv_format.c b/src/gallium/drivers/etnaviv/etnaviv_format.c
index 7c24386..e9cd104 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_format.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_format.c
@@ -231,7 +231,7 @@ static struct etna_format formats[PIPE_FORMAT_COUNT] = {
 uint32_t
 translate_texture_format(enum pipe_format fmt)
 {
-   /* XXX with TEXTURE_FORMAT_EXT and swizzle on newer chips we can
+   /* XXX with swizzle on newer chips we can
     * support much more */
    if (!formats[fmt].present)
       return ETNA_NO_MATCH;
diff --git a/src/gallium/drivers/etnaviv/etnaviv_format.h b/src/gallium/drivers/etnaviv/etnaviv_format.h
index 549dfda..1170d79 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_format.h
+++ b/src/gallium/drivers/etnaviv/etnaviv_format.h
@@ -31,6 +31,7 @@
 #include <stdint.h>
 
 #define ETNA_NO_MATCH (~0)
+#define EXT_FORMAT (1 << 31)
 
 uint32_t
 translate_texture_format(enum pipe_format fmt);
diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.c b/src/gallium/drivers/etnaviv/etnaviv_screen.c
index 6c0735e..a69aef0 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_screen.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_screen.c
@@ -467,6 +467,9 @@ gpu_supports_texure_format(struct etna_screen *screen, uint32_t fmt)
    if (fmt >= TEXTURE_FORMAT_DXT1 && fmt <= TEXTURE_FORMAT_DXT4_DXT5)
       return VIV_FEATURE(screen, chipFeatures, DXT_TEXTURE_COMPRESSION);
 
+   if (fmt & EXT_FORMAT)
+      return VIV_FEATURE(screen, chipMinorFeatures1, HALTI0);
+
    return true;
 }
 
diff --git a/src/gallium/drivers/etnaviv/etnaviv_texture.c b/src/gallium/drivers/etnaviv/etnaviv_texture.c
index df77829..f973bcb 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_texture.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_texture.c
@@ -161,6 +161,8 @@ etna_create_sampler_view(struct pipe_context *pctx, struct pipe_resource *prsc,
    struct etna_sampler_view *sv = CALLOC_STRUCT(etna_sampler_view);
    struct etna_resource *res = etna_resource(prsc);
    struct etna_context *ctx = etna_context(pctx);
+   const uint32_t format = translate_texture_format(so->format);
+   const bool ext = !!(format & EXT_FORMAT);
 
    if (!sv)
       return NULL;
@@ -191,8 +193,7 @@ etna_create_sampler_view(struct pipe_context *pctx, struct pipe_resource *prsc,
    sv->base.context = pctx;
 
    /* merged with sampler state */
-   sv->TE_SAMPLER_CONFIG0 =
-      VIVS_TE_SAMPLER_CONFIG0_FORMAT(translate_texture_format(sv->base.format));
+   sv->TE_SAMPLER_CONFIG0 = COND(!ext, VIVS_TE_SAMPLER_CONFIG0_FORMAT(format));
    sv->TE_SAMPLER_CONFIG0_MASK = 0xffffffff;
 
    switch (sv->base.target) {
@@ -215,7 +216,8 @@ etna_create_sampler_view(struct pipe_context *pctx, struct pipe_resource *prsc,
       return NULL;
    }
 
-   sv->TE_SAMPLER_CONFIG1 = VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_R(so->swizzle_r) |
+   sv->TE_SAMPLER_CONFIG1 = COND(ext, VIVS_TE_SAMPLER_CONFIG1_FORMAT_EXT(format)) |
+                            VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_R(so->swizzle_r) |
                             VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_G(so->swizzle_g) |
                             VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_B(so->swizzle_b) |
                             VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_A(so->swizzle_a) |
-- 
2.9.4