[Mesa-dev] [PATCH 20/24] i965: Enable MESA_shader_integer_functions on all GLSL 1.30 platforms

[Ian Romanick]

From: Ian Romanick <ian.d.romanick at intel.com>

Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
---
 src/mesa/drivers/dri/i965/brw_link.cpp       | 20 ++++++++++++++------
 src/mesa/drivers/dri/i965/intel_extensions.c |  1 +
 2 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_link.cpp b/src/mesa/drivers/dri/i965/brw_link.cpp
index 3c331a5..9cdbe30 100644
--- a/src/mesa/drivers/dri/i965/brw_link.cpp
+++ b/src/mesa/drivers/dri/i965/brw_link.cpp
@@ -106,12 +106,20 @@ process_glsl_ir(gl_shader_stage stage,
     */
    brw_lower_packing_builtins(brw, shader->Stage, shader->ir);
    do_mat_op_to_vec(shader->ir);
-   lower_instructions(shader->ir,
-                      DIV_TO_MUL_RCP |
-                      SUB_TO_ADD_NEG |
-                      EXP_TO_EXP2 |
-                      LOG_TO_LOG2 |
-                      DFREXP_DLDEXP_TO_ARITH);
+
+   unsigned instructions_to_lower = (DIV_TO_MUL_RCP |
+                                     SUB_TO_ADD_NEG |
+                                     EXP_TO_EXP2 |
+                                     LOG_TO_LOG2 |
+                                     DFREXP_DLDEXP_TO_ARITH);
+   if (brw->gen < 7) {
+      instructions_to_lower |= BIT_COUNT_TO_MATH |
+                               EXTRACT_TO_SHIFTS |
+                               INSERT_TO_SHIFTS |
+                               REVERSE_TO_SHIFTS;
+   }
+
+   lower_instructions(shader->ir, instructions_to_lower);
 
    /* Pre-gen6 HW can only nest if-statements 16 deep.  Beyond this,
     * if-statements need to be flattened.
diff --git a/src/mesa/drivers/dri/i965/intel_extensions.c b/src/mesa/drivers/dri/i965/intel_extensions.c
index 5f23453..db9b7ba 100644
--- a/src/mesa/drivers/dri/i965/intel_extensions.c
+++ b/src/mesa/drivers/dri/i965/intel_extensions.c
@@ -278,6 +278,7 @@ intelInitExtensions(struct gl_context *ctx)
    _mesa_override_glsl_version(&ctx->Const);
 
    ctx->Extensions.EXT_shader_integer_mix = ctx->Const.GLSLVersion >= 130;
+   ctx->Extensions.MESA_shader_integer_functions = ctx->Const.GLSLVersion >= 130;
 
    if (brw->gen >= 5) {
       ctx->Extensions.ARB_texture_query_levels = ctx->Const.GLSLVersion >= 130;
-- 
2.5.5