Commit 681fa03e authored by Erik Faye-Lund 's avatar Erik Faye-Lund

gallium: give fragment-shader derivatives its own cap

Shader Model 3.0 is a big promise to make to the state-tracker, and
for instance mobile hardware might support fragment-shader derivatives
but not some of the other features of SM3. So let's give this its own
cap for simplicity.
Signed-off-by: Erik Faye-Lund 's avatarErik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: default avatarMarek Olšák <marek.olsak@amd.com>
parent 66ee6661
......@@ -371,6 +371,7 @@ u_pipe_screen_get_param_defaults(struct pipe_screen *pscreen,
#endif
case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD:
case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES:
return pscreen->get_param(pscreen, PIPE_CAP_SM3);
default:
......
......@@ -536,6 +536,8 @@ The integer capabilities:
* ``PIPE_CAP_TGSI_DIV``: Whether opcode DIV is supported
* ``PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD``: Whether texture lookups with
explicit LOD is supported in the fragment shader.
* ``PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES``: True if the driver supports
derivatives in fragment shaders.
.. _pipe_capf:
......
......@@ -889,6 +889,7 @@ enum pipe_cap
PIPE_CAP_ATOMIC_FLOAT_MINMAX,
PIPE_CAP_TGSI_DIV,
PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD,
PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES,
};
/**
......
......@@ -776,7 +776,7 @@ void st_init_extensions(struct pipe_screen *screen,
/* GL_NV_point_sprite is not supported by gallium because we don't
* support the GL_POINT_SPRITE_R_MODE_NV option. */
{ o(OES_standard_derivatives), PIPE_CAP_SM3 },
{ o(OES_standard_derivatives), PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES },
{ o(OES_texture_float_linear), PIPE_CAP_TEXTURE_FLOAT_LINEAR },
{ o(OES_texture_half_float_linear), PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR },
{ o(OES_texture_view), PIPE_CAP_SAMPLER_VIEW_TARGET },
......
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