diff options
Diffstat (limited to 'src/mesa/main/objectpurge.c')
| -rw-r--r-- | src/mesa/main/objectpurge.c | 416 |
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); + } +} |