[Mesa-dev] [PATCH 6/7] i965: Enable arb_transform_feedback_overflow_query.

[Rafael Antognolli]

This extension adds new query types which can be used to detect overflow
of transform feedback buffers. The new query types are also accepted by
conditional rendering commands.

Signed-off-by: Rafael Antognolli <rafael.antognolli at intel.com>
---
 docs/features.txt                            | 2 +-
 docs/relnotes/13.1.0.html                    | 1 +
 src/mesa/drivers/dri/i965/intel_extensions.c | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/docs/features.txt b/docs/features.txt
index c27d521..bb7925e 100644
--- a/docs/features.txt
+++ b/docs/features.txt
@@ -303,7 +303,7 @@ Khronos, ARB, and OES extensions that are not part of any OpenGL or OpenGL ES ve
   GL_ARB_sparse_texture2                                not started
   GL_ARB_sparse_texture_clamp                           not started
   GL_ARB_texture_filter_minmax                          not started
-  GL_ARB_transform_feedback_overflow_query              not started
+  GL_ARB_transform_feedback_overflow_query              DONE (i965/gen7+)
   GL_KHR_blend_equation_advanced_coherent               DONE (i965/gen9+)
   GL_KHR_no_error                                       not started
   GL_KHR_texture_compression_astc_hdr                   DONE (core only)
diff --git a/docs/relnotes/13.1.0.html b/docs/relnotes/13.1.0.html
index 5b8b016..4f52cd1 100644
--- a/docs/relnotes/13.1.0.html
+++ b/docs/relnotes/13.1.0.html
@@ -45,6 +45,7 @@ Note: some of the new features are only available with certain drivers.
 
 <ul>
 <li>GL_ARB_post_depth_coverage on i965/gen9+</li>
+<li>GL_ARB_transform_feedback_overflow_query on i965/gen7+</li>
 <li>GL_NV_image_formats on any driver supporting GL_ARB_shader_image_load_store (i965, nvc0, radeonsi, softpipe)</li>
 </ul>
 
diff --git a/src/mesa/drivers/dri/i965/intel_extensions.c b/src/mesa/drivers/dri/i965/intel_extensions.c
index c1f42aa..d5e4164 100644
--- a/src/mesa/drivers/dri/i965/intel_extensions.c
+++ b/src/mesa/drivers/dri/i965/intel_extensions.c
@@ -320,6 +320,7 @@ intelInitExtensions(struct gl_context *ctx)
       ctx->Extensions.EXT_framebuffer_multisample = true;
       ctx->Extensions.EXT_framebuffer_multisample_blit_scaled = true;
       ctx->Extensions.EXT_transform_feedback = true;
+      ctx->Extensions.ARB_transform_feedback_overflow_query = true;
       ctx->Extensions.OES_depth_texture_cube_map = true;
       ctx->Extensions.OES_sample_variables = true;
 
-- 
2.7.4