summaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
authorKenneth Graunke <[email protected]>2013-10-26 13:20:02 -0700
committerKenneth Graunke <[email protected]>2013-10-31 11:04:37 -0700
commitc4ec0ad8a90c2023cb77e578d39dddb0cddeada9 (patch)
treea79b13e8c0213d96ea3ab4b11183286b25fd6171 /src
parent066fb237e642ec5ebe2c86f89753cba1ad389410 (diff)
i965: Enable the ARB_transform_feedback3 extension on Gen7+.
This extension is written a bit strangely. Although it introduces the concept of multiple transform feedback streams, it doesn't actually provide more than a single stream. The ARB_gpu_shader5 extension is what introduces the ability to write to streams other than stream #0 and increases the required number of streams. Since we don't yet support ARB_gpu_shader5, we can safely enable ARB_transform_feedback3 even though we only support a single stream. This does provide some useful functionality: applications can now use more than one interleaved transform feedback buffer. v2: Only expose the extension if ARB_transform_feedback2 is also available, to avoid confusing applications (suggested by Ian). Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/mesa/drivers/dri/i965/intel_extensions.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_extensions.c b/src/mesa/drivers/dri/i965/intel_extensions.c
index 337e7e87c4f..31e15bbfb48 100644
--- a/src/mesa/drivers/dri/i965/intel_extensions.c
+++ b/src/mesa/drivers/dri/i965/intel_extensions.c
@@ -230,6 +230,7 @@ intelInitExtensions(struct gl_context *ctx)
ctx->Extensions.ARB_conservative_depth = true;
if (can_do_pipelined_register_writes(brw)) {
ctx->Extensions.ARB_transform_feedback2 = true;
+ ctx->Extensions.ARB_transform_feedback3 = true;
}
}