diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/auxiliary/util/u_screen.c | 4 | ||||
| -rw-r--r-- | src/gallium/docs/source/screen.rst | 9 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_defines.h | 1 |
3 files changed, 14 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_screen.c b/src/gallium/auxiliary/util/u_screen.c index b902c083ad4..9f0be8060ee 100644 --- a/src/gallium/auxiliary/util/u_screen.c +++ b/src/gallium/auxiliary/util/u_screen.c @@ -107,6 +107,10 @@ u_pipe_screen_get_param_defaults(struct pipe_screen *pscreen, /* Minimum GLSL level implemented by gallium drivers. */ return 120; + case PIPE_CAP_ESSL_FEATURE_LEVEL: + /* Tell state-tracker to fallback to PIPE_CAP_GLSL_FEATURE_LEVEL */ + return 0; + case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: case PIPE_CAP_USER_VERTEX_BUFFERS: case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY: diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst index 60ba9bcbde0..a4d6a9557c0 100644 --- a/src/gallium/docs/source/screen.rst +++ b/src/gallium/docs/source/screen.rst @@ -105,6 +105,15 @@ The integer capabilities: The only legacy features that Gallium drivers must implement are the legacy shader inputs and outputs (colors, texcoords, fog, clipvertex, edgeflag). +* ``PIPE_CAP_ESSL_FEATURE_LEVEL``: An optional cap to allow drivers to + report a higher GLSL version for GLES contexts. This is useful when a + driver does not support all the required features for a higher GL version, + but does support the required features for a higher GLES version. A driver + is allowed to return ``0`` in which case ``PIPE_CAP_GLSL_FEATURE_LEVEL`` is + used. + Note that simply returning the same value as the GLSL feature level cap is + incorrect. For example, GLSL version 3.30 does not require ``ARB_gpu_shader5``, + but ESSL version 3.20 es does require ``EXT_gpu_shader5`` * ``PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION``: Whether quads adhere to the flatshade_first setting in ``pipe_rasterizer_state``. * ``PIPE_CAP_USER_VERTEX_BUFFERS``: Whether the driver supports user vertex diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h index ebc44d7a75e..3dbdea035e4 100644 --- a/src/gallium/include/pipe/p_defines.h +++ b/src/gallium/include/pipe/p_defines.h @@ -718,6 +718,7 @@ enum pipe_cap PIPE_CAP_VERTEX_COLOR_CLAMPED, PIPE_CAP_GLSL_FEATURE_LEVEL, PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY, + PIPE_CAP_ESSL_FEATURE_LEVEL, PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION, PIPE_CAP_USER_VERTEX_BUFFERS, PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY, |