intel: use new mipmap generation hooks in driver.

src/mesa/drivers/dri/intel/intel_tex.c

@@ -172,7 +172,6 @@ timed_memcpy(void *dest, const void *src, size_t n)
  */
 void
 intel_generate_mipmap(GLcontext *ctx, GLenum target,
-                      const struct gl_texture_unit *texUnit,
                       struct gl_texture_object *texObj)
 {
    struct intel_texture_object *intelObj = intel_texture_object(texObj);
@@ -198,6 +197,15 @@ intel_generate_mipmap(GLcontext *ctx, GLenum target,
    }
 }
 
+static void intelGenerateMipmap(GLcontext *ctx, GLenum target, struct gl_texture_object *texObj)
+{
+   struct intel_context *intel = intel_context(ctx);
+   struct intel_texture_object *intelObj = intel_texture_object(texObj);
+
+   intel_tex_map_images(intel, intelObj);
+   intel_generate_mipmap(ctx, target, texObj);
+   intel_tex_unmap_images(intel, intelObj);
+}
 
 void
 intelInitTextureFuncs(struct dd_function_table *functions)
@@ -221,6 +229,7 @@ intelInitTextureFuncs(struct dd_function_table *functions)
    functions->CopyTexSubImage2D = _swrast_copy_texsubimage2d;
 #endif
    functions->GetTexImage = intelGetTexImage;
+   functions->GenerateMipmap = intelGenerateMipmap;
 
    /* compressed texture functions */
    functions->CompressedTexImage2D = intelCompressedTexImage2D;

src/mesa/drivers/dri/intel/intel_tex.h

@@ -151,7 +151,6 @@ void intel_tex_unmap_images(struct intel_context *intel,
 int intel_compressed_num_bytes(GLuint mesaFormat);
 
 void intel_generate_mipmap(GLcontext *ctx, GLenum target,
-			   const struct gl_texture_unit *texUnit,
 			   struct gl_texture_object *texObj);
 
 #endif

src/mesa/drivers/dri/intel/intel_tex_copy.c

@@ -161,9 +161,7 @@ do_copy_texsubimage(struct intel_context *intel,
 
    /* GL_SGIS_generate_mipmap */
    if (intelImage->level == texObj->BaseLevel && texObj->GenerateMipmap) {
-      intel_generate_mipmap(ctx, target,
-                            &ctx->Texture.Unit[ctx->Texture.CurrentUnit],
-                            texObj);
+      intel_generate_mipmap(ctx, target, texObj);
    }
 
    return GL_TRUE;

src/mesa/drivers/dri/intel/intel_tex_image.c

@@ -522,9 +522,7 @@ intelTexImage(GLcontext * ctx,
 
    /* GL_SGIS_generate_mipmap */
    if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
-      intel_generate_mipmap(ctx, target,
-                            &ctx->Texture.Unit[ctx->Texture.CurrentUnit],
-                            texObj);
+      intel_generate_mipmap(ctx, target, texObj);
    }
 
    _mesa_unmap_teximage_pbo(ctx, unpack);

src/mesa/drivers/dri/intel/intel_tex_subimage.c

@@ -103,9 +103,7 @@ intelTexSubimage(GLcontext * ctx,
 
    /* GL_SGIS_generate_mipmap */
    if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
-      intel_generate_mipmap(ctx, target,
-                            &ctx->Texture.Unit[ctx->Texture.CurrentUnit],
-                            texObj);
+      intel_generate_mipmap(ctx, target, texObj);
    }
 
    _mesa_unmap_teximage_pbo(ctx, packing);