Commit 39fa4c0a authored by Dave Airlie's avatar Dave Airlie

st/mesa: add texture buffer object rgb32 support.

This checks if the pipe driver can support RGB32 formats.
Reviewed-by: Marek Olšák's avatarMarek Olšák <maraeo@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 1b62c326
......@@ -494,6 +494,14 @@ void st_init_extensions(struct st_context *st)
PIPE_FORMAT_B10G10R10A2_SSCALED } },
};
static const struct st_extension_format_mapping tbo_rgb32[] = {
{ {o(ARB_texture_buffer_object_rgb32) },
{ PIPE_FORMAT_R32G32B32_FLOAT,
PIPE_FORMAT_R32G32B32_UINT,
PIPE_FORMAT_R32G32B32_SINT,
} },
};
/*
* Extensions that are supported by all Gallium drivers:
*/
......@@ -661,8 +669,12 @@ void st_init_extensions(struct st_context *st)
if (ctx->Const.MinMapBufferAlignment >= 64) {
ctx->Extensions.ARB_map_buffer_alignment = GL_TRUE;
}
if (screen->get_param(screen, PIPE_CAP_TEXTURE_BUFFER_OBJECTS))
if (screen->get_param(screen, PIPE_CAP_TEXTURE_BUFFER_OBJECTS)) {
ctx->Extensions.ARB_texture_buffer_object = GL_TRUE;
init_format_extensions(st, tbo_rgb32, Elements(tbo_rgb32),
PIPE_BUFFER, PIPE_BIND_SAMPLER_VIEW);
}
/* Unpacking a varying in the fragment shader costs 1 texture indirection.
* If the number of available texture indirections is very limited, then we
......
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