etnaviv: support OES_texture_half_float_linear

Passes all related piglit and deqp tests.

Signed-off-by: Christian Gmeiner <cgmeiner@igalia.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23972>

diff --git a/docs/features.txt b/docs/features.txt
index 373ecc9..f9fbaed 100644 (file)
--- a/docs/features.txt
+++ b/docs/features.txt
@@ -346,7 +346,7 @@ Khronos, ARB, and OES extensions that are not part of any OpenGL or OpenGL ES ve
   GL_OES_texture_float                                  DONE (freedreno, r300, r600, radeonsi, nv30, nv50, nvc0, softpipe, llvmpipe, panfrost, v3d, zink, asahi, iris, crocus)
   GL_OES_texture_float_linear                           DONE (freedreno, r300, r600, radeonsi, nv30, nv50, nvc0, softpipe, llvmpipe, panfrost, zink, asahi, iris, crocus)
   GL_OES_texture_half_float                             DONE (freedreno, r300, r600, radeonsi, nv30, nv50, nvc0, softpipe, llvmpipe, panfrost, v3d, zink, lima, asahi, iris, crocus, etnaviv/HALF_FLOAT)
-  GL_OES_texture_half_float_linear                      DONE (freedreno, r300, r600, radeonsi, nv30, nv50, nvc0, softpipe, llvmpipe, panfrost, v3d, zink, lima, asahi, iris, crocus)
+  GL_OES_texture_half_float_linear                      DONE (freedreno, r300, r600, radeonsi, nv30, nv50, nvc0, softpipe, llvmpipe, panfrost, v3d, zink, lima, asahi, iris, crocus, etnaviv/HALF_FLOAT)
   GL_OES_texture_view                                   DONE (freedreno, r600, radeonsi, nv50, nvc0, softpipe, llvmpipe, v3d, zink, iris, crocus/gen7+)
   GL_OES_viewport_array                                 DONE (freedreno/a6xx, nvc0, r600, radeonsi, softpipe, zink, iris, crocus/gen7.5+)
   GLX_ARB_context_flush_control                         DONE (all drivers)

diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.c b/src/gallium/drivers/etnaviv/etnaviv_screen.c
index 9992bf7..fc3f63f 100644 (file)
--- a/src/gallium/drivers/etnaviv/etnaviv_screen.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_screen.c
@@ -214,6 +214,8 @@ etna_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 
 
    /* Texturing. */
+   case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
+      return VIV_FEATURE(screen, chipMinorFeatures1, HALF_FLOAT);
    case PIPE_CAP_TEXTURE_SHADOW_MAP:
       return 1;
    case PIPE_CAP_MAX_TEXTURE_2D_SIZE: