i965: Implement GL_KHR_blend_equation_advanced_coherent on Gen9+.

We always use a coherent read, and ignore the "opt out" enable flag.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>

diff --git a/src/mesa/drivers/dri/i965/intel_extensions.c b/src/mesa/drivers/dri/i965/intel_extensions.c
index 48e8299..dd0d240 100644 (file)
--- a/src/mesa/drivers/dri/i965/intel_extensions.c
+++ b/src/mesa/drivers/dri/i965/intel_extensions.c
@@ -399,6 +399,7 @@ intelInitExtensions(struct gl_context *ctx)
    }
 
    if (brw->gen >= 9) {
+      ctx->Extensions.KHR_blend_equation_advanced_coherent = true;
       ctx->Extensions.KHR_texture_compression_astc_ldr = true;
       ctx->Extensions.KHR_texture_compression_astc_sliced_3d = true;
       ctx->Extensions.ARB_shader_stencil_export = true;