mesa: move GL_APPLE_object_purgeable functions to new file

Move this code out of bufferobj.c since it's not strongly connected to
buffer objects.

Acked-by: Matt Turner <[email protected]>

1 files changed, 416 insertions, 0 deletions

diff --git a/src/mesa/main/objectpurge.c b/src/mesa/main/objectpurge.c
new file mode 100644
index 00000000000..d730f46b8ec
--- /dev/null
+++ b/src/mesa/main/objectpurge.c
@@ -0,0 +1,416 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
+ * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * Code related to the GL_APPLE_object_purgeable extension.
+ */
+
+
+#include "glheader.h"
+#include "enums.h"
+#include "hash.h"
+#include "imports.h"
+#include "context.h"
+#include "bufferobj.h"
+#include "fbobject.h"
+#include "mtypes.h"
+#include "objectpurge.h"
+#include "texobj.h"
+#include "teximage.h"
+
+
+static GLenum
+buffer_object_purgeable(struct gl_context *ctx, GLuint name, GLenum option)
+{
+   struct gl_buffer_object *bufObj;
+   GLenum retval;
+
+   bufObj = _mesa_lookup_bufferobj(ctx, name);
+   if (!bufObj) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glObjectPurgeable(name = 0x%x)", name);
+      return 0;
+   }
+   if (!_mesa_is_bufferobj(bufObj)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glObjectPurgeable(buffer 0)" );
+      return 0;
+   }
+
+   if (bufObj->Purgeable) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glObjectPurgeable(name = 0x%x) is already purgeable", name);
+      return GL_VOLATILE_APPLE;
+   }
+
+   bufObj->Purgeable = GL_TRUE;
+
+   retval = GL_VOLATILE_APPLE;
+   if (ctx->Driver.BufferObjectPurgeable)
+      retval = ctx->Driver.BufferObjectPurgeable(ctx, bufObj, option);
+
+   return retval;
+}
+
+
+static GLenum
+renderbuffer_purgeable(struct gl_context *ctx, GLuint name, GLenum option)
+{
+   struct gl_renderbuffer *bufObj;
+   GLenum retval;
+
+   bufObj = _mesa_lookup_renderbuffer(ctx, name);
+   if (!bufObj) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glObjectUnpurgeable(name = 0x%x)", name);
+      return 0;
+   }
+
+   if (bufObj->Purgeable) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glObjectPurgeable(name = 0x%x) is already purgeable", name);
+      return GL_VOLATILE_APPLE;
+   }
+
+   bufObj->Purgeable = GL_TRUE;
+
+   retval = GL_VOLATILE_APPLE;
+   if (ctx->Driver.RenderObjectPurgeable)
+      retval = ctx->Driver.RenderObjectPurgeable(ctx, bufObj, option);
+
+   return retval;
+}
+
+
+static GLenum
+texture_object_purgeable(struct gl_context *ctx, GLuint name, GLenum option)
+{
+   struct gl_texture_object *bufObj;
+   GLenum retval;
+
+   bufObj = _mesa_lookup_texture(ctx, name);
+   if (!bufObj) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glObjectPurgeable(name = 0x%x)", name);
+      return 0;
+   }
+
+   if (bufObj->Purgeable) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glObjectPurgeable(name = 0x%x) is already purgeable", name);
+      return GL_VOLATILE_APPLE;
+   }
+
+   bufObj->Purgeable = GL_TRUE;
+
+   retval = GL_VOLATILE_APPLE;
+   if (ctx->Driver.TextureObjectPurgeable)
+      retval = ctx->Driver.TextureObjectPurgeable(ctx, bufObj, option);
+
+   return retval;
+}
+
+
+GLenum GLAPIENTRY
+_mesa_ObjectPurgeableAPPLE(GLenum objectType, GLuint name, GLenum option)
+{
+   GLenum retval;
+
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
+
+   if (name == 0) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glObjectPurgeable(name = 0x%x)", name);
+      return 0;
+   }
+
+   switch (option) {
+   case GL_VOLATILE_APPLE:
+   case GL_RELEASED_APPLE:
+      /* legal */
+      break;
+   default:
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glObjectPurgeable(name = 0x%x) invalid option: %d",
+                  name, option);
+      return 0;
+   }
+
+   switch (objectType) {
+   case GL_TEXTURE:
+      retval = texture_object_purgeable(ctx, name, option);
+      break;
+   case GL_RENDERBUFFER_EXT:
+      retval = renderbuffer_purgeable(ctx, name, option);
+      break;
+   case GL_BUFFER_OBJECT_APPLE:
+      retval = buffer_object_purgeable(ctx, name, option);
+      break;
+   default:
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glObjectPurgeable(name = 0x%x) invalid type: %d",
+                  name, objectType);
+      return 0;
+   }
+
+   /* In strict conformance to the spec, we must only return VOLATILE when
+    * when passed the VOLATILE option. Madness.
+    *
+    * XXX First fix the spec, then fix me.
+    */
+   return option == GL_VOLATILE_APPLE ? GL_VOLATILE_APPLE : retval;
+}
+
+
+static GLenum
+buffer_object_unpurgeable(struct gl_context *ctx, GLuint name, GLenum option)
+{
+   struct gl_buffer_object *bufObj;
+   GLenum retval;
+
+   bufObj = _mesa_lookup_bufferobj(ctx, name);
+   if (!bufObj) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glObjectUnpurgeable(name = 0x%x)", name);
+      return 0;
+   }
+
+   if (! bufObj->Purgeable) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glObjectUnpurgeable(name = 0x%x) object is "
+                  " already \"unpurged\"", name);
+      return 0;
+   }
+
+   bufObj->Purgeable = GL_FALSE;
+
+   retval = option;
+   if (ctx->Driver.BufferObjectUnpurgeable)
+      retval = ctx->Driver.BufferObjectUnpurgeable(ctx, bufObj, option);
+
+   return retval;
+}
+
+
+static GLenum
+renderbuffer_unpurgeable(struct gl_context *ctx, GLuint name, GLenum option)
+{
+   struct gl_renderbuffer *bufObj;
+   GLenum retval;
+
+   bufObj = _mesa_lookup_renderbuffer(ctx, name);
+   if (!bufObj) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glObjectUnpurgeable(name = 0x%x)", name);
+      return 0;
+   }
+
+   if (! bufObj->Purgeable) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glObjectUnpurgeable(name = 0x%x) object is "
+                  " already \"unpurged\"", name);
+      return 0;
+   }
+
+   bufObj->Purgeable = GL_FALSE;
+
+   retval = option;
+   if (ctx->Driver.RenderObjectUnpurgeable)
+      retval = ctx->Driver.RenderObjectUnpurgeable(ctx, bufObj, option);
+
+   return retval;
+}
+
+
+static GLenum
+texture_object_unpurgeable(struct gl_context *ctx, GLuint name, GLenum option)
+{
+   struct gl_texture_object *bufObj;
+   GLenum retval;
+
+   bufObj = _mesa_lookup_texture(ctx, name);
+   if (!bufObj) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glObjectUnpurgeable(name = 0x%x)", name);
+      return 0;
+   }
+
+   if (! bufObj->Purgeable) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glObjectUnpurgeable(name = 0x%x) object is"
+                  " already \"unpurged\"", name);
+      return 0;
+   }
+
+   bufObj->Purgeable = GL_FALSE;
+
+   retval = option;
+   if (ctx->Driver.TextureObjectUnpurgeable)
+      retval = ctx->Driver.TextureObjectUnpurgeable(ctx, bufObj, option);
+
+   return retval;
+}
+
+
+GLenum GLAPIENTRY
+_mesa_ObjectUnpurgeableAPPLE(GLenum objectType, GLuint name, GLenum option)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
+
+   if (name == 0) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glObjectUnpurgeable(name = 0x%x)", name);
+      return 0;
+   }
+
+   switch (option) {
+   case GL_RETAINED_APPLE:
+   case GL_UNDEFINED_APPLE:
+      /* legal */
+      break;
+   default:
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glObjectUnpurgeable(name = 0x%x) invalid option: %d",
+                  name, option);
+      return 0;
+   }
+
+   switch (objectType) {
+   case GL_BUFFER_OBJECT_APPLE:
+      return buffer_object_unpurgeable(ctx, name, option);
+   case GL_TEXTURE:
+      return texture_object_unpurgeable(ctx, name, option);
+   case GL_RENDERBUFFER_EXT:
+      return renderbuffer_unpurgeable(ctx, name, option);
+   default:
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glObjectUnpurgeable(name = 0x%x) invalid type: %d",
+                  name, objectType);
+      return 0;
+   }
+}
+
+
+static void
+get_buffer_object_parameteriv(struct gl_context *ctx, GLuint name,
+                              GLenum pname, GLint *params)
+{
+   struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, name);
+   if (!bufObj) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glGetObjectParameteriv(name = 0x%x) invalid object", name);
+      return;
+   }
+
+   switch (pname) {
+   case GL_PURGEABLE_APPLE:
+      *params = bufObj->Purgeable;
+      break;
+   default:
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glGetObjectParameteriv(name = 0x%x) invalid enum: %d",
+                  name, pname);
+      break;
+   }
+}
+
+
+static void
+get_renderbuffer_parameteriv(struct gl_context *ctx, GLuint name,
+                             GLenum pname, GLint *params)
+{
+   struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, name);
+   if (!rb) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glObjectUnpurgeable(name = 0x%x)", name);
+      return;
+   }
+
+   switch (pname) {
+   case GL_PURGEABLE_APPLE:
+      *params = rb->Purgeable;
+      break;
+   default:
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glGetObjectParameteriv(name = 0x%x) invalid enum: %d",
+                  name, pname);
+      break;
+   }
+}
+
+
+static void
+get_texture_object_parameteriv(struct gl_context *ctx, GLuint name,
+                               GLenum pname, GLint *params)
+{
+   struct gl_texture_object *texObj = _mesa_lookup_texture(ctx, name);
+   if (!texObj) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glObjectUnpurgeable(name = 0x%x)", name);
+      return;
+   }
+
+   switch (pname) {
+   case GL_PURGEABLE_APPLE:
+      *params = texObj->Purgeable;
+      break;
+   default:
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glGetObjectParameteriv(name = 0x%x) invalid enum: %d",
+                  name, pname);
+      break;
+   }
+}
+
+
+void GLAPIENTRY
+_mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name, GLenum pname,
+                                GLint *params)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (name == 0) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glGetObjectParameteriv(name = 0x%x)", name);
+      return;
+   }
+
+   switch (objectType) {
+   case GL_TEXTURE:
+      get_texture_object_parameteriv(ctx, name, pname, params);
+      break;
+   case GL_BUFFER_OBJECT_APPLE:
+      get_buffer_object_parameteriv(ctx, name, pname, params);
+      break;
+   case GL_RENDERBUFFER_EXT:
+      get_renderbuffer_parameteriv(ctx, name, pname, params);
+      break;
+   default:
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glGetObjectParameteriv(name = 0x%x) invalid type: %d",
+                  name, objectType);
+   }
+}