Mesa (master): etnaviv: advertise correct max LOD bias

[Christian Gmeiner]

Module: Mesa
Branch: master
Commit: 5065549e2a75e2a56cd3bc8b0fbb6c9013e86cb4
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=5065549e2a75e2a56cd3bc8b0fbb6c9013e86cb4

Author: Lucas Stach <dev at lynxeye.de>
Date:   Sun Jun  4 21:06:33 2017 +0200

etnaviv: advertise correct max LOD bias

The maximum LOD bias supported is the same as the max texture level
supported.

Fixes piglit: ext_texture_lod_bias

Fixes: c9e8b49b ("etnaviv: gallium driver for Vivante GPUs")
Cc: mesa-stable at lists.freedesktop.org
Signed-off-by: Lucas Stach <dev at lynxeye.de>
Reviewed-by: Christian Gmeiner <christian.gmeiner at gmail.com>

---

 src/gallium/drivers/etnaviv/etnaviv_screen.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.c b/src/gallium/drivers/etnaviv/etnaviv_screen.c
index 89bb2e844e..6c0735e0fb 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_screen.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_screen.c
@@ -345,6 +345,8 @@ etna_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 static float
 etna_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 {
+   struct etna_screen *screen = etna_screen(pscreen);
+
    switch (param) {
    case PIPE_CAPF_MAX_LINE_WIDTH:
    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
@@ -354,7 +356,7 @@ etna_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
       return 16.0f;
    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
-      return 16.0f;
+      return util_last_bit(screen->specs.max_texture_size);
    case PIPE_CAPF_GUARD_BAND_LEFT:
    case PIPE_CAPF_GUARD_BAND_TOP:
    case PIPE_CAPF_GUARD_BAND_RIGHT: