From e621208e29c9b624fd1522e401986f0e996c4209 Mon Sep 17 00:00:00 2001
From: Ian Romanick <ian.d.romanick@intel.com>
Date: Thu, 27 Jun 2013 18:20:14 -0700
Subject: [PATCH] i915: Remove GEN >= 4 extension support

This copy of the source file is only used for GEN <= 3, so remove the
dead code.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
---
 src/mesa/drivers/dri/i915/intel_extensions.c | 79 ++--------------------------
 1 file changed, 3 insertions(+), 76 deletions(-)

diff --git a/src/mesa/drivers/dri/i915/intel_extensions.c b/src/mesa/drivers/dri/i915/intel_extensions.c
index 5cb2fa3..ac6aefa 100644
--- a/src/mesa/drivers/dri/i915/intel_extensions.c
+++ b/src/mesa/drivers/dri/i915/intel_extensions.c
@@ -42,6 +42,8 @@ intelInitExtensions(struct gl_context *ctx)
 {
    struct intel_context *intel = intel_context(ctx);
 
+   assert(intel->gen == 2 || intel->gen == 3);
+
    ctx->Extensions.ARB_draw_elements_base_vertex = true;
    ctx->Extensions.ARB_explicit_attrib_location = true;
    ctx->Extensions.ARB_framebuffer_object = true;
@@ -85,80 +87,9 @@ intelInitExtensions(struct gl_context *ctx)
    ctx->Extensions.OES_EGL_image = true;
    ctx->Extensions.OES_draw_texture = true;
 
-   if (intel->gen >= 6)
-      ctx->Const.GLSLVersion = 140;
-   else
-      ctx->Const.GLSLVersion = 120;
+   ctx->Const.GLSLVersion = 120;
    _mesa_override_glsl_version(ctx);
 
-   if (intel->gen >= 6) {
-      ctx->Extensions.EXT_framebuffer_multisample = true;
-      ctx->Extensions.EXT_transform_feedback = true;
-      ctx->Extensions.ARB_blend_func_extended = !driQueryOptionb(&intel->optionCache, "disable_blend_func_extended");
-      ctx->Extensions.ARB_draw_buffers_blend = true;
-      ctx->Extensions.ARB_ES3_compatibility = true;
-      ctx->Extensions.ARB_uniform_buffer_object = true;
-      ctx->Extensions.ARB_texture_buffer_object = true;
-      ctx->Extensions.ARB_texture_buffer_object_rgb32 = true;
-      ctx->Extensions.ARB_texture_cube_map_array = true;
-      ctx->Extensions.OES_depth_texture_cube_map = true;
-      ctx->Extensions.ARB_shading_language_packing = true;
-      ctx->Extensions.ARB_texture_multisample = true;
-      ctx->Extensions.ARB_texture_storage_multisample = true;
-   }
-
-   if (intel->gen >= 5) {
-      ctx->Extensions.ARB_texture_query_lod = true;
-      ctx->Extensions.EXT_timer_query = true;
-   }
-
-   if (intel->gen >= 6) {
-      uint64_t dummy;
-      /* Test if the kernel has the ioctl. */
-      if (drm_intel_reg_read(intel->bufmgr, TIMESTAMP, &dummy) == 0)
-         ctx->Extensions.ARB_timer_query = true;
-   }
-
-   if (intel->gen >= 4) {
-      if (ctx->API == API_OPENGL_CORE)
-         ctx->Extensions.ARB_base_instance = true;
-      if (ctx->API != API_OPENGL_CORE)
-         ctx->Extensions.ARB_color_buffer_float = true;
-      ctx->Extensions.ARB_depth_buffer_float = true;
-      ctx->Extensions.ARB_depth_clamp = true;
-      ctx->Extensions.ARB_draw_instanced = true;
-      ctx->Extensions.ARB_instanced_arrays = true;
-      ctx->Extensions.ARB_fragment_coord_conventions = true;
-      ctx->Extensions.ARB_fragment_program_shadow = true;
-      ctx->Extensions.ARB_fragment_shader = true;
-      ctx->Extensions.ARB_half_float_vertex = true;
-      ctx->Extensions.ARB_occlusion_query = true;
-      ctx->Extensions.ARB_occlusion_query2 = true;
-      ctx->Extensions.ARB_point_sprite = true;
-      ctx->Extensions.ARB_seamless_cube_map = true;
-      ctx->Extensions.ARB_shader_bit_encoding = true;
-      ctx->Extensions.ARB_shader_texture_lod = true;
-      ctx->Extensions.ARB_texture_float = true;
-      ctx->Extensions.EXT_texture_shared_exponent = true;
-      ctx->Extensions.EXT_packed_float = true;
-      ctx->Extensions.ARB_texture_compression_rgtc = true;
-      ctx->Extensions.ARB_texture_rg = true;
-      ctx->Extensions.ARB_texture_rgb10_a2ui = true;
-      ctx->Extensions.ARB_vertex_type_2_10_10_10_rev = true;
-      ctx->Extensions.EXT_draw_buffers2 = true;
-      ctx->Extensions.EXT_framebuffer_sRGB = true;
-      ctx->Extensions.EXT_texture_array = true;
-      ctx->Extensions.EXT_texture_integer = true;
-      ctx->Extensions.EXT_texture_snorm = true;
-      ctx->Extensions.EXT_texture_swizzle = true;
-      ctx->Extensions.EXT_vertex_array_bgra = true;
-      ctx->Extensions.ATI_envmap_bumpmap = true;
-      ctx->Extensions.MESA_texture_array = true;
-      ctx->Extensions.NV_conditional_render = true;
-      ctx->Extensions.OES_compressed_ETC1_RGB8_texture = true;
-      ctx->Extensions.OES_standard_derivatives = true;
-   }
-
    if (intel->gen >= 3) {
       ctx->Extensions.ARB_ES2_compatibility = true;
       ctx->Extensions.ARB_depth_texture = true;
@@ -181,8 +112,4 @@ intelInitExtensions(struct gl_context *ctx)
       ctx->Extensions.EXT_texture_compression_s3tc = true;
 
    ctx->Extensions.ANGLE_texture_compression_dxt = true;
-
-   if (intel->gen >= 4) {
-      ctx->Extensions.NV_primitive_restart = true;
-   }
 }
-- 
2.7.4