i965/gen6+: Enable arb_transform_feedback_overflow_query.

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.

v3:
    - s/gen7+/gen6+/ in the relnotes (Jordan Justen)

Signed-off-by: Rafael Antognolli <rafael.antognolli@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

diff --git a/docs/features.txt b/docs/features.txt
index 01315a0..346ba28 100644 (file)
--- 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/gen6+)
   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/17.1.0.html b/docs/relnotes/17.1.0.html
index fd231ab..9ababcc 100644 (file)
--- a/docs/relnotes/17.1.0.html
+++ b/docs/relnotes/17.1.0.html
@@ -46,6 +46,7 @@ Note: some of the new features are only available with certain drivers.
 <ul>
 <li>GL_ARB_gpu_shader_int64 on i965/gen8+, nvc0, radeonsi, softpipe, llvmpipe</li>
 <li>GL_ARB_transform_feedback2 on i965/gen6</li>
+<li>GL_ARB_transform_feedback_overflow_query on i965/gen6+</li>
 </ul>
 
 <h2>Bug fixes</h2>

diff --git a/src/mesa/drivers/dri/i965/intel_extensions.c b/src/mesa/drivers/dri/i965/intel_extensions.c
index ec7ff02..31842aa 100644 (file)
--- a/src/mesa/drivers/dri/i965/intel_extensions.c
+++ b/src/mesa/drivers/dri/i965/intel_extensions.c
@@ -184,6 +184,7 @@ 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;