| /* |
| * 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); |
| } |
| } |
