mesa: add EXT_dsa Generate*MipmapEXT functions

Reviewed-by: Marek Olšák <marek.olsak@amd.com>

src/mapi/glapi/gen/EXT_direct_state_access.xml

@@ -1026,6 +1026,16 @@
       <param name="params" type="GLdouble*" />
    </function>
 
+   <function name="GenerateTextureMipmapEXT">
+      <param name="texture" type="GLuint" />
+      <param name="target" type="GLenum" />
+   </function>
+
+   <function name="GenerateMultiTexMipmapEXT">
+      <param name="texunit" type="GLenum" />
+      <param name="target" type="GLenum" />
+   </function>
+
    <!-- ARB_vertex_program -->
    <function name="NamedProgramStringEXT">
       <param name="program" type="GLuint" />

src/mapi/glapi/gen/static_data.py

@@ -1593,6 +1593,8 @@ offsets = {
     "GetMultiTexParameterIivEXT": 1557,
     "GetMultiTexParameterIuivEXT": 1558,
     "NamedProgramLocalParameters4fvEXT": 1559,
+    "GenerateTextureMipmapEXT": 1560,
+    "GenerateMultiTexMipmapEXT": 1561,
 }
 
 functions = [

src/mesa/main/genmipmap.c

@@ -240,3 +240,30 @@ _mesa_GenerateTextureMipmap(GLuint texture)
    texObj = _mesa_lookup_texture_err(ctx, texture, "glGenerateTextureMipmap");
    validate_params_and_generate_mipmap(texObj, "glGenerateTextureMipmap");
 }
+
+void GLAPIENTRY
+_mesa_GenerateTextureMipmapEXT(GLuint texture, GLenum target)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture,
+                                           false, true,
+                                           "glGenerateTextureMipmapEXT");
+   validate_params_and_generate_mipmap(texObj,
+                                       "glGenerateTextureMipmapEXT");
+}
+
+void GLAPIENTRY
+_mesa_GenerateMultiTexMipmapEXT(GLenum texunit, GLenum target)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glGenerateMultiTexMipmapEXT");
+   validate_params_and_generate_mipmap(texObj,
+                                       "glGenerateMultiTexMipmapEXT");
+}

src/mesa/main/genmipmap.h

@@ -47,4 +47,10 @@ _mesa_GenerateTextureMipmap_no_error(GLuint texture);
 extern void GLAPIENTRY
 _mesa_GenerateTextureMipmap(GLuint texture);
 
+extern void GLAPIENTRY
+_mesa_GenerateTextureMipmapEXT(GLuint texture, GLenum target);
+
+extern void GLAPIENTRY
+_mesa_GenerateMultiTexMipmapEXT(GLenum texunit, GLenum target);
+
 #endif /* GENMIPMAP_H */

src/mesa/main/tests/dispatch_sanity.cpp

@@ -1162,8 +1162,8 @@ const struct function common_desktop_functions_possible[] = {
    { "glNamedFramebufferTexture3DEXT", 30, -1 },
    { "glNamedFramebufferRenderbufferEXT", 30, -1 },
    { "glGetNamedFramebufferAttachmentParameterivEXT", 30, -1 },
-   //{ "glGenerateTextureMipmapEXT", 30, -1 },
-   //{ "glGenerateMultiTexMipmapEXT", 30, -1 },
+   { "glGenerateTextureMipmapEXT", 30, -1 },
+   { "glGenerateMultiTexMipmapEXT", 30, -1 },
    { "glFramebufferDrawBufferEXT", 30, -1 },
    { "glFramebufferDrawBuffersEXT", 30, -1 },
    { "glFramebufferReadBufferEXT", 30, -1 },