From 2bdf809e66d16ff571eafa90f7607793ba65266b Mon Sep 17 00:00:00 2001
From: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Date: Mon, 9 Sep 2019 16:22:29 +0200
Subject: [PATCH] mesa: add EXT_dsa + EXT_texture_buffer_object functions
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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
---
 .../glapi/gen/EXT_direct_state_access.xml     | 14 +++++
 src/mapi/glapi/gen/static_data.py             |  2 +
 src/mesa/main/tests/dispatch_sanity.cpp       |  4 +-
 src/mesa/main/teximage.c                      | 59 +++++++++++++++++++
 src/mesa/main/teximage.h                      |  8 +++
 5 files changed, 85 insertions(+), 2 deletions(-)

diff --git a/src/mapi/glapi/gen/EXT_direct_state_access.xml b/src/mapi/glapi/gen/EXT_direct_state_access.xml
index c35eacadeed..6a26a43dba2 100644
--- a/src/mapi/glapi/gen/EXT_direct_state_access.xml
+++ b/src/mapi/glapi/gen/EXT_direct_state_access.xml
@@ -1085,5 +1085,19 @@
       <param name="params" type="GLint*" />
   </function>
 
+   <!-- EXT_texture_buffer_object -->
+   <function name="TextureBufferEXT">
+      <param name="texture" type="GLuint" />
+      <param name="target" type="GLenum" />
+      <param name="internalformat" type="GLenum" />
+      <param name="buffer" type="GLuint" />
+   </function>
+
+   <function name="MultiTexBufferEXT">
+      <param name="texunit" type="GLenum" />
+      <param name="target" type="GLenum" />
+      <param name="internalformat" type="GLenum" />
+      <param name="buffer" type="GLuint" />
+   </function>
 </category>
 </OpenGLAPI>
diff --git a/src/mapi/glapi/gen/static_data.py b/src/mapi/glapi/gen/static_data.py
index 2116a1b38a5..ae041817bb3 100644
--- a/src/mapi/glapi/gen/static_data.py
+++ b/src/mapi/glapi/gen/static_data.py
@@ -1582,6 +1582,8 @@ offsets = {
     "NamedProgramLocalParameter4dvEXT": 1546,
     "GetNamedProgramLocalParameterdvEXT": 1547,
     "GetNamedProgramivEXT": 1548,
+    "TextureBufferEXT": 1549,
+    "MultiTexBufferEXT": 1550,
 }
 
 functions = [
diff --git a/src/mesa/main/tests/dispatch_sanity.cpp b/src/mesa/main/tests/dispatch_sanity.cpp
index 8e06a7179dd..e0451b36df3 100644
--- a/src/mesa/main/tests/dispatch_sanity.cpp
+++ b/src/mesa/main/tests/dispatch_sanity.cpp
@@ -1137,8 +1137,8 @@ const struct function common_desktop_functions_possible[] = {
    /* GL_EXT_direct_state_access - GL 2.1 */
    /* Added glProgramUniformMAtrix*EXT functions are aliases */
    /* GL_EXT_direct_state_access - EXT_texture_buffer_object */
-   //{ "glTextureBufferEXT", 10, -1 },
-   //{ "glMultiTexBufferEXT", 10, -1 },
+   { "glTextureBufferEXT", 10, -1 },
+   { "glMultiTexBufferEXT", 10, -1 },
    /* GL_EXT_direct_state_access - EXT_texture_integer */
    //{ "glTextureParameterIivEXT", 10, -1 },
    //{ "glTextureParameterIuivEXT", 10, -1 },
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index b80d5a9b675..67500830853 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -6428,6 +6428,65 @@ _mesa_TextureBuffer(GLuint texture, GLenum internalFormat, GLuint buffer)
                         bufObj, 0, buffer ? -1 : 0, "glTextureBuffer");
 }
 
+void GLAPIENTRY
+_mesa_TextureBufferEXT(GLuint texture, GLenum target,
+                       GLenum internalFormat, GLuint buffer)
+{
+   struct gl_texture_object *texObj;
+   struct gl_buffer_object *bufObj;
+
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (buffer) {
+      bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTextureBuffer");
+      if (!bufObj)
+         return;
+   } else
+      bufObj = NULL;
+
+   /* Get the texture object by Name. */
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture,
+                                           false, true,
+                                           "glTextureBufferEXT");
+
+   if (!texObj ||
+       !check_texture_buffer_target(ctx, texObj->Target, "glTextureBufferEXT"))
+      return;
+
+   texture_buffer_range(ctx, texObj, internalFormat,
+                        bufObj, 0, buffer ? -1 : 0, "glTextureBufferEXT");
+}
+
+void GLAPIENTRY
+_mesa_MultiTexBufferEXT(GLenum texunit, GLenum target,
+                        GLenum internalFormat, GLuint buffer)
+{
+   struct gl_texture_object *texObj;
+   struct gl_buffer_object *bufObj;
+
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (buffer) {
+      bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glMultiTexBufferEXT");
+      if (!bufObj)
+         return;
+   } else
+      bufObj = NULL;
+
+   /* Get the texture object */
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glMultiTexBufferEXT");
+
+   if (!texObj ||
+       !check_texture_buffer_target(ctx, texObj->Target, "glMultiTexBufferEXT"))
+      return;
+
+   texture_buffer_range(ctx, texObj, internalFormat,
+                        bufObj, 0, buffer ? -1 : 0, "glMultiTexBufferEXT");
+}
+
 void GLAPIENTRY
 _mesa_TextureBufferRange(GLuint texture, GLenum internalFormat, GLuint buffer,
                          GLintptr offset, GLsizeiptr size)
diff --git a/src/mesa/main/teximage.h b/src/mesa/main/teximage.h
index 51d555584c9..b14acdf7597 100644
--- a/src/mesa/main/teximage.h
+++ b/src/mesa/main/teximage.h
@@ -787,6 +787,14 @@ _mesa_TexBufferRange(GLenum target, GLenum internalFormat, GLuint buffer,
 extern void GLAPIENTRY
 _mesa_TextureBuffer(GLuint texture, GLenum internalFormat, GLuint buffer);
 
+extern void GLAPIENTRY
+_mesa_TextureBufferEXT(GLuint texture, GLenum target, GLenum internalFormat,
+                       GLuint buffer);
+
+extern void GLAPIENTRY
+_mesa_MultiTexBufferEXT(GLenum texunit, GLenum target, GLenum internalFormat,
+                        GLuint buffer);
+
 extern void GLAPIENTRY
 _mesa_TextureBufferRange(GLuint texture, GLenum internalFormat, GLuint buffer,
                          GLintptr offset, GLsizeiptr size);
-- 
2.30.2