X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fbufferobj.c;h=6e2979f6db93e2d9340fc17365954605c515136a;hb=167f6a33fa7be914f4b5171eeeb82bc5e01255f9;hp=9aec42508a7d59c172ab3e8d78f75bfcbf584b8a;hpb=f82ff6207ca98c153d5dc24319f86146d55ae230;p=mesa.git diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c index 9aec42508a7..6e2979f6db9 100644 --- a/src/mesa/main/bufferobj.c +++ b/src/mesa/main/bufferobj.c @@ -44,6 +44,7 @@ #include "glformats.h" #include "texstore.h" #include "transformfeedback.h" +#include "varray.h" /* Debug flags */ @@ -148,8 +149,8 @@ get_buffer_target(struct gl_context *ctx, GLenum target) } break; case GL_TEXTURE_BUFFER: - if (ctx->API == API_OPENGL_CORE && - ctx->Extensions.ARB_texture_buffer_object) { + if (_mesa_has_ARB_texture_buffer_object(ctx) || + _mesa_has_OES_texture_buffer(ctx)) { return &ctx->Texture.BufferObject; } break; @@ -510,16 +511,10 @@ _mesa_reference_buffer_object_(struct gl_context *ctx, if (bufObj) { /* reference new buffer */ mtx_lock(&bufObj->Mutex); - if (bufObj->RefCount == 0) { - /* this buffer's being deleted (look just above) */ - /* Not sure this can every really happen. Warn if it does. */ - _mesa_problem(NULL, "referencing deleted buffer object"); - *ptr = NULL; - } - else { - bufObj->RefCount++; - *ptr = bufObj; - } + assert(bufObj->RefCount > 0); + + bufObj->RefCount++; + *ptr = bufObj; mtx_unlock(&bufObj->Mutex); } } @@ -692,9 +687,9 @@ buffer_sub_data_fallback(struct gl_context *ctx, GLintptr offset, * \sa glBufferGetSubDataARB, dd_function_table::GetBufferSubData. */ static void -_mesa_buffer_get_subdata( struct gl_context *ctx, GLintptrARB offset, - GLsizeiptrARB size, GLvoid * data, - struct gl_buffer_object * bufObj ) +buffer_get_subdata(struct gl_context *ctx, GLintptrARB offset, + GLsizeiptrARB size, GLvoid *data, + struct gl_buffer_object *bufObj ) { (void) ctx; @@ -1012,17 +1007,13 @@ _mesa_handle_bind_buffer_gen(struct gl_context *ctx, * Called by glBindBuffer() and other functions. */ static void -bind_buffer_object(struct gl_context *ctx, GLenum target, GLuint buffer) +bind_buffer_object(struct gl_context *ctx, + struct gl_buffer_object **bindTarget, GLuint buffer) { struct gl_buffer_object *oldBufObj; struct gl_buffer_object *newBufObj = NULL; - struct gl_buffer_object **bindTarget = NULL; - bindTarget = get_buffer_target(ctx, target); - if (!bindTarget) { - _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferARB(target 0x%x)", target); - return; - } + assert(bindTarget); /* Get pointer to old buffer object (to be unbound) */ oldBufObj = *bindTarget; @@ -1047,12 +1038,8 @@ bind_buffer_object(struct gl_context *ctx, GLenum target, GLuint buffer) } /* record usage history */ - switch (target) { - case GL_PIXEL_PACK_BUFFER: + if (bindTarget == &ctx->Pack.BufferObj) { newBufObj->UsageHistory |= USAGE_PIXEL_PACK_BUFFER; - break; - default: - break; } /* bind new buffer */ @@ -1071,10 +1058,10 @@ _mesa_update_default_objects_buffer_objects(struct gl_context *ctx) /* Bind the NullBufferObj to remove references to those * in the shared context hash table. */ - bind_buffer_object( ctx, GL_ARRAY_BUFFER_ARB, 0); - bind_buffer_object( ctx, GL_ELEMENT_ARRAY_BUFFER_ARB, 0); - bind_buffer_object( ctx, GL_PIXEL_PACK_BUFFER_ARB, 0); - bind_buffer_object( ctx, GL_PIXEL_UNPACK_BUFFER_ARB, 0); + bind_buffer_object(ctx, &ctx->Array.ArrayBufferObj, 0); + bind_buffer_object(ctx, &ctx->Array.VAO->IndexBufferObj, 0); + bind_buffer_object(ctx, &ctx->Pack.BufferObj, 0); + bind_buffer_object(ctx, &ctx->Unpack.BufferObj, 0); } @@ -1097,8 +1084,11 @@ _mesa_lookup_bufferobj(struct gl_context *ctx, GLuint buffer) struct gl_buffer_object * _mesa_lookup_bufferobj_locked(struct gl_context *ctx, GLuint buffer) { - return (struct gl_buffer_object *) - _mesa_HashLookupLocked(ctx->Shared->BufferObjects, buffer); + if (buffer == 0) + return NULL; + else + return (struct gl_buffer_object *) + _mesa_HashLookupLocked(ctx->Shared->BufferObjects, buffer); } /** @@ -1123,20 +1113,6 @@ _mesa_lookup_bufferobj_err(struct gl_context *ctx, GLuint buffer, } -void -_mesa_begin_bufferobj_lookups(struct gl_context *ctx) -{ - _mesa_HashLockMutex(ctx->Shared->BufferObjects); -} - - -void -_mesa_end_bufferobj_lookups(struct gl_context *ctx) -{ - _mesa_HashUnlockMutex(ctx->Shared->BufferObjects); -} - - /** * Look up a buffer object for a multi-bind function. * @@ -1151,7 +1127,8 @@ _mesa_end_bufferobj_lookups(struct gl_context *ctx) * returns NULL. * * This function assumes that the caller has already locked the - * hash table mutex by calling _mesa_begin_bufferobj_lookups(). + * hash table mutex by calling + * _mesa_HashLockMutex(ctx->Shared->BufferObjects). */ struct gl_buffer_object * _mesa_multi_bind_lookup_bufferobj(struct gl_context *ctx, @@ -1195,11 +1172,13 @@ _mesa_multi_bind_lookup_bufferobj(struct gl_context *ctx, */ static void unbind(struct gl_context *ctx, - struct gl_buffer_object **ptr, + struct gl_vertex_array_object *vao, unsigned index, struct gl_buffer_object *obj) { - if (*ptr == obj) { - _mesa_reference_buffer_object(ctx, ptr, ctx->Shared->NullBufferObj); + if (vao->BufferBinding[index].BufferObj == obj) { + _mesa_bind_vertex_buffer(ctx, vao, index, ctx->Shared->NullBufferObj, + vao->BufferBinding[index].Offset, + vao->BufferBinding[index].Stride); } } @@ -1216,7 +1195,7 @@ _mesa_init_buffer_object_functions(struct dd_function_table *driver) driver->DeleteBuffer = _mesa_delete_buffer_object; driver->BufferData = buffer_data_fallback; driver->BufferSubData = buffer_sub_data_fallback; - driver->GetBufferSubData = _mesa_buffer_get_subdata; + driver->GetBufferSubData = buffer_get_subdata; driver->UnmapBuffer = unmap_buffer_fallback; /* GL_ARB_clear_buffer_object */ @@ -1235,9 +1214,7 @@ void _mesa_buffer_unmap_all_mappings(struct gl_context *ctx, struct gl_buffer_object *bufObj) { - int i; - - for (i = 0; i < MAP_COUNT; i++) { + for (int i = 0; i < MAP_COUNT; i++) { if (_mesa_bufferobj_mapped(bufObj, i)) { ctx->Driver.UnmapBuffer(ctx, bufObj, i); assert(bufObj->Mappings[i].Pointer == NULL); @@ -1251,6 +1228,16 @@ _mesa_buffer_unmap_all_mappings(struct gl_context *ctx, /* API Functions */ /**********************************************************************/ +void GLAPIENTRY +_mesa_BindBuffer_no_error(GLenum target, GLuint buffer) +{ + GET_CURRENT_CONTEXT(ctx); + + struct gl_buffer_object **bindTarget = get_buffer_target(ctx, target); + bind_buffer_object(ctx, bindTarget, buffer); +} + + void GLAPIENTRY _mesa_BindBuffer(GLenum target, GLuint buffer) { @@ -1261,7 +1248,14 @@ _mesa_BindBuffer(GLenum target, GLuint buffer) _mesa_enum_to_string(target), buffer); } - bind_buffer_object(ctx, target, buffer); + struct gl_buffer_object **bindTarget = get_buffer_target(ctx, target); + if (!bindTarget) { + _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferARB(target %s)", + _mesa_enum_to_string(target)); + return; + } + + bind_buffer_object(ctx, bindTarget, buffer); } @@ -1283,10 +1277,11 @@ _mesa_DeleteBuffers(GLsizei n, const GLuint *ids) return; } - mtx_lock(&ctx->Shared->Mutex); + _mesa_HashLockMutex(ctx->Shared->BufferObjects); for (i = 0; i < n; i++) { - struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, ids[i]); + struct gl_buffer_object *bufObj = + _mesa_lookup_bufferobj_locked(ctx, ids[i]); if (bufObj) { struct gl_vertex_array_object *vao = ctx->Array.VAO; GLuint j; @@ -1296,43 +1291,43 @@ _mesa_DeleteBuffers(GLsizei n, const GLuint *ids) _mesa_buffer_unmap_all_mappings(ctx, bufObj); /* unbind any vertex pointers bound to this buffer */ - for (j = 0; j < ARRAY_SIZE(vao->VertexBinding); j++) { - unbind(ctx, &vao->VertexBinding[j].BufferObj, bufObj); + for (j = 0; j < ARRAY_SIZE(vao->BufferBinding); j++) { + unbind(ctx, vao, j, bufObj); } if (ctx->Array.ArrayBufferObj == bufObj) { - _mesa_BindBuffer( GL_ARRAY_BUFFER_ARB, 0 ); + bind_buffer_object(ctx, &ctx->Array.ArrayBufferObj, 0); } if (vao->IndexBufferObj == bufObj) { - _mesa_BindBuffer( GL_ELEMENT_ARRAY_BUFFER_ARB, 0 ); + bind_buffer_object(ctx, &vao->IndexBufferObj, 0); } /* unbind ARB_draw_indirect binding point */ if (ctx->DrawIndirectBuffer == bufObj) { - _mesa_BindBuffer( GL_DRAW_INDIRECT_BUFFER, 0 ); + bind_buffer_object(ctx, &ctx->DrawIndirectBuffer, 0); } /* unbind ARB_indirect_parameters binding point */ if (ctx->ParameterBuffer == bufObj) { - _mesa_BindBuffer(GL_PARAMETER_BUFFER_ARB, 0); + bind_buffer_object(ctx, &ctx->ParameterBuffer, 0); } /* unbind ARB_compute_shader binding point */ if (ctx->DispatchIndirectBuffer == bufObj) { - _mesa_BindBuffer(GL_DISPATCH_INDIRECT_BUFFER, 0); + bind_buffer_object(ctx, &ctx->DispatchIndirectBuffer, 0); } /* unbind ARB_copy_buffer binding points */ if (ctx->CopyReadBuffer == bufObj) { - _mesa_BindBuffer( GL_COPY_READ_BUFFER, 0 ); + bind_buffer_object(ctx, &ctx->CopyReadBuffer, 0); } if (ctx->CopyWriteBuffer == bufObj) { - _mesa_BindBuffer( GL_COPY_WRITE_BUFFER, 0 ); + bind_buffer_object(ctx, &ctx->CopyWriteBuffer, 0); } /* unbind transform feedback binding points */ if (ctx->TransformFeedback.CurrentBuffer == bufObj) { - _mesa_BindBuffer( GL_TRANSFORM_FEEDBACK_BUFFER, 0 ); + bind_buffer_object(ctx, &ctx->TransformFeedback.CurrentBuffer, 0); } for (j = 0; j < MAX_FEEDBACK_BUFFERS; j++) { if (ctx->TransformFeedback.CurrentObject->Buffers[j] == bufObj) { @@ -1348,7 +1343,7 @@ _mesa_DeleteBuffers(GLsizei n, const GLuint *ids) } if (ctx->UniformBuffer == bufObj) { - _mesa_BindBuffer( GL_UNIFORM_BUFFER, 0 ); + bind_buffer_object(ctx, &ctx->UniformBuffer, 0); } /* unbind SSBO binding points */ @@ -1359,7 +1354,7 @@ _mesa_DeleteBuffers(GLsizei n, const GLuint *ids) } if (ctx->ShaderStorageBuffer == bufObj) { - _mesa_BindBuffer(GL_SHADER_STORAGE_BUFFER, 0); + bind_buffer_object(ctx, &ctx->ShaderStorageBuffer, 0); } /* unbind Atomci Buffer binding points */ @@ -1370,32 +1365,32 @@ _mesa_DeleteBuffers(GLsizei n, const GLuint *ids) } if (ctx->AtomicBuffer == bufObj) { - _mesa_BindBuffer( GL_ATOMIC_COUNTER_BUFFER, 0 ); + bind_buffer_object(ctx, &ctx->AtomicBuffer, 0); } /* unbind any pixel pack/unpack pointers bound to this buffer */ if (ctx->Pack.BufferObj == bufObj) { - _mesa_BindBuffer( GL_PIXEL_PACK_BUFFER_EXT, 0 ); + bind_buffer_object(ctx, &ctx->Pack.BufferObj, 0); } if (ctx->Unpack.BufferObj == bufObj) { - _mesa_BindBuffer( GL_PIXEL_UNPACK_BUFFER_EXT, 0 ); + bind_buffer_object(ctx, &ctx->Unpack.BufferObj, 0); } if (ctx->Texture.BufferObject == bufObj) { - _mesa_BindBuffer( GL_TEXTURE_BUFFER, 0 ); + bind_buffer_object(ctx, &ctx->Texture.BufferObject, 0); } if (ctx->ExternalVirtualMemoryBuffer == bufObj) { - _mesa_BindBuffer(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, 0); + bind_buffer_object(ctx, &ctx->ExternalVirtualMemoryBuffer, 0); } /* unbind query buffer binding point */ if (ctx->QueryBuffer == bufObj) { - _mesa_BindBuffer(GL_QUERY_BUFFER, 0); + bind_buffer_object(ctx, &ctx->QueryBuffer, 0); } /* The ID is immediately freed for re-use */ - _mesa_HashRemove(ctx->Shared->BufferObjects, ids[i]); + _mesa_HashRemoveLocked(ctx->Shared->BufferObjects, ids[i]); /* Make sure we do not run into the classic ABA problem on bind. * We don't want to allow re-binding a buffer object that's been * "deleted" by glDeleteBuffers(). @@ -1411,7 +1406,7 @@ _mesa_DeleteBuffers(GLsizei n, const GLuint *ids) } } - mtx_unlock(&ctx->Shared->Mutex); + _mesa_HashUnlockMutex(ctx->Shared->BufferObjects); } @@ -1425,7 +1420,6 @@ create_buffers(GLsizei n, GLuint *buffers, bool dsa) { GET_CURRENT_CONTEXT(ctx); GLuint first; - GLint i; struct gl_buffer_object *buf; const char *func = dsa ? "glCreateBuffers" : "glGenBuffers"; @@ -1445,7 +1439,7 @@ create_buffers(GLsizei n, GLuint *buffers, bool dsa) /* * This must be atomic (generation and allocation of buffer object IDs) */ - mtx_lock(&ctx->Shared->Mutex); + _mesa_HashLockMutex(ctx->Shared->BufferObjects); first = _mesa_HashFindFreeKeyBlock(ctx->Shared->BufferObjects, n); @@ -1453,24 +1447,24 @@ create_buffers(GLsizei n, GLuint *buffers, bool dsa) * DummyBufferObject. Otherwise, create a new buffer object and insert * it. */ - for (i = 0; i < n; i++) { + for (int i = 0; i < n; i++) { buffers[i] = first + i; if (dsa) { assert(ctx->Driver.NewBufferObject); buf = ctx->Driver.NewBufferObject(ctx, buffers[i]); if (!buf) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", func); - mtx_unlock(&ctx->Shared->Mutex); + _mesa_HashUnlockMutex(ctx->Shared->BufferObjects); return; } } else buf = &DummyBufferObject; - _mesa_HashInsert(ctx->Shared->BufferObjects, buffers[i], buf); + _mesa_HashInsertLocked(ctx->Shared->BufferObjects, buffers[i], buf); } - mtx_unlock(&ctx->Shared->Mutex); + _mesa_HashUnlockMutex(ctx->Shared->BufferObjects); } /** @@ -1512,56 +1506,80 @@ _mesa_IsBuffer(GLuint id) GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); - mtx_lock(&ctx->Shared->Mutex); bufObj = _mesa_lookup_bufferobj(ctx, id); - mtx_unlock(&ctx->Shared->Mutex); return bufObj && bufObj != &DummyBufferObject; } -void -_mesa_buffer_storage(struct gl_context *ctx, struct gl_buffer_object *bufObj, - GLenum target, GLsizeiptr size, const GLvoid *data, - GLbitfield flags, const char *func) +static bool +validate_buffer_storage(struct gl_context *ctx, + struct gl_buffer_object *bufObj, GLsizeiptr size, + GLbitfield flags, const char *func) { if (size <= 0) { _mesa_error(ctx, GL_INVALID_VALUE, "%s(size <= 0)", func); - return; + return false; } - if (flags & ~(GL_MAP_READ_BIT | - GL_MAP_WRITE_BIT | - GL_MAP_PERSISTENT_BIT | - GL_MAP_COHERENT_BIT | - GL_DYNAMIC_STORAGE_BIT | - GL_CLIENT_STORAGE_BIT)) { + GLbitfield valid_flags = GL_MAP_READ_BIT | + GL_MAP_WRITE_BIT | + GL_MAP_PERSISTENT_BIT | + GL_MAP_COHERENT_BIT | + GL_DYNAMIC_STORAGE_BIT | + GL_CLIENT_STORAGE_BIT; + + if (ctx->Extensions.ARB_sparse_buffer) + valid_flags |= GL_SPARSE_STORAGE_BIT_ARB; + + if (flags & ~valid_flags) { _mesa_error(ctx, GL_INVALID_VALUE, "%s(invalid flag bits set)", func); - return; + return false; + } + + /* The Errors section of the GL_ARB_sparse_buffer spec says: + * + * "INVALID_VALUE is generated by BufferStorage if contains + * SPARSE_STORAGE_BIT_ARB and also contains any combination of + * MAP_READ_BIT or MAP_WRITE_BIT." + */ + if (flags & GL_SPARSE_STORAGE_BIT_ARB && + flags & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)) { + _mesa_error(ctx, GL_INVALID_VALUE, "%s(SPARSE_STORAGE and READ/WRITE)", func); + return false; } if (flags & GL_MAP_PERSISTENT_BIT && !(flags & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT))) { _mesa_error(ctx, GL_INVALID_VALUE, "%s(PERSISTENT and flags!=READ/WRITE)", func); - return; + return false; } if (flags & GL_MAP_COHERENT_BIT && !(flags & GL_MAP_PERSISTENT_BIT)) { _mesa_error(ctx, GL_INVALID_VALUE, "%s(COHERENT and flags!=PERSISTENT)", func); - return; + return false; } - if (bufObj->Immutable) { + if (bufObj->Immutable || bufObj->HandleAllocated) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(immutable)", func); - return; + return false; } + return true; +} + + +static void +buffer_storage(struct gl_context *ctx, struct gl_buffer_object *bufObj, + GLenum target, GLsizeiptr size, const GLvoid *data, + GLbitfield flags, const char *func) +{ /* Unmap the existing buffer. We'll replace it now. Not an error. */ _mesa_buffer_unmap_all_mappings(ctx, bufObj); - FLUSH_VERTICES(ctx, _NEW_BUFFER_OBJECT); + FLUSH_VERTICES(ctx, 0); bufObj->Written = GL_TRUE; bufObj->Immutable = GL_TRUE; @@ -1583,38 +1601,78 @@ _mesa_buffer_storage(struct gl_context *ctx, struct gl_buffer_object *bufObj, } } + +static ALWAYS_INLINE void +inlined_buffer_storage(GLenum target, GLuint buffer, GLsizeiptr size, + const GLvoid *data, GLbitfield flags, bool dsa, + bool no_error, const char *func) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object *bufObj; + + if (dsa) { + if (no_error) { + bufObj = _mesa_lookup_bufferobj(ctx, buffer); + } else { + bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, func); + if (!bufObj) + return; + } + } else { + if (no_error) { + struct gl_buffer_object **bufObjPtr = get_buffer_target(ctx, target); + bufObj = *bufObjPtr; + } else { + bufObj = get_buffer(ctx, func, target, GL_INVALID_OPERATION); + if (!bufObj) + return; + } + } + + if (no_error || validate_buffer_storage(ctx, bufObj, size, flags, func)) + buffer_storage(ctx, bufObj, target, size, data, flags, func); +} + + +void GLAPIENTRY +_mesa_BufferStorage_no_error(GLenum target, GLsizeiptr size, + const GLvoid *data, GLbitfield flags) +{ + inlined_buffer_storage(target, 0, size, data, flags, false, true, + "glBufferStorage"); +} + + void GLAPIENTRY _mesa_BufferStorage(GLenum target, GLsizeiptr size, const GLvoid *data, GLbitfield flags) { - GET_CURRENT_CONTEXT(ctx); - struct gl_buffer_object *bufObj; + inlined_buffer_storage(target, 0, size, data, flags, false, false, + "glBufferStorage"); +} - bufObj = get_buffer(ctx, "glBufferStorage", target, GL_INVALID_OPERATION); - if (!bufObj) - return; - _mesa_buffer_storage(ctx, bufObj, target, size, data, flags, - "glBufferStorage"); +void GLAPIENTRY +_mesa_NamedBufferStorage_no_error(GLuint buffer, GLsizeiptr size, + const GLvoid *data, GLbitfield flags) +{ + /* In direct state access, buffer objects have an unspecified target + * since they are not required to be bound. + */ + inlined_buffer_storage(GL_NONE, buffer, size, data, flags, true, true, + "glNamedBufferStorage"); } + void GLAPIENTRY _mesa_NamedBufferStorage(GLuint buffer, GLsizeiptr size, const GLvoid *data, GLbitfield flags) { - GET_CURRENT_CONTEXT(ctx); - struct gl_buffer_object *bufObj; - - bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glNamedBufferStorage"); - if (!bufObj) - return; - - /* - * In direct state access, buffer objects have an unspecified target since - * they are not required to be bound. + /* In direct state access, buffer objects have an unspecified target + * since they are not required to be bound. */ - _mesa_buffer_storage(ctx, bufObj, GL_NONE, size, data, flags, - "glNamedBufferStorage"); + inlined_buffer_storage(GL_NONE, buffer, size, data, flags, true, false, + "glNamedBufferStorage"); } @@ -1668,7 +1726,7 @@ _mesa_buffer_data(struct gl_context *ctx, struct gl_buffer_object *bufObj, return; } - if (bufObj->Immutable) { + if (bufObj->Immutable || bufObj->HandleAllocated) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(immutable)", func); return; } @@ -1676,7 +1734,7 @@ _mesa_buffer_data(struct gl_context *ctx, struct gl_buffer_object *bufObj, /* Unmap the existing buffer. We'll replace it now. Not an error. */ _mesa_buffer_unmap_all_mappings(ctx, bufObj); - FLUSH_VERTICES(ctx, _NEW_BUFFER_OBJECT); + FLUSH_VERTICES(ctx, 0); bufObj->Written = GL_TRUE; bufObj->MinMaxCacheDirty = true; @@ -1745,42 +1803,27 @@ _mesa_NamedBufferData(GLuint buffer, GLsizeiptr size, const GLvoid *data, } -/** - * Implementation for glBufferSubData and glNamedBufferSubData. - * - * \param ctx GL context. - * \param bufObj The buffer object. - * \param offset Offset of the first byte of the subdata range. - * \param size Size, in bytes, of the subdata range. - * \param data The data store. - * \param func Name of calling function for recording errors. - * - */ -void -_mesa_buffer_sub_data(struct gl_context *ctx, struct gl_buffer_object *bufObj, - GLintptr offset, GLsizeiptr size, const GLvoid *data, - const char *func) +static bool +validate_buffer_sub_data(struct gl_context *ctx, + struct gl_buffer_object *bufObj, + GLintptr offset, GLsizeiptr size, + const char *func) { if (!buffer_object_subdata_range_good(ctx, bufObj, offset, size, - false, func)) { + true, func)) { /* error already recorded */ - return; + return false; } if (bufObj->Immutable && !(bufObj->StorageFlags & GL_DYNAMIC_STORAGE_BIT)) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s", func); - return; + return false; } - if (size == 0) - return; - - bufObj->NumSubDataCalls++; - if ((bufObj->Usage == GL_STATIC_DRAW || bufObj->Usage == GL_STATIC_COPY) && - bufObj->NumSubDataCalls >= BUFFER_WARNING_CALL_COUNT) { + bufObj->NumSubDataCalls >= BUFFER_WARNING_CALL_COUNT - 1) { /* If the application declared the buffer as static draw/copy or stream * draw, it should not be frequently modified with glBufferSubData. */ @@ -1791,6 +1834,29 @@ _mesa_buffer_sub_data(struct gl_context *ctx, struct gl_buffer_object *bufObj, _mesa_enum_to_string(bufObj->Usage)); } + return true; +} + + +/** + * Implementation for glBufferSubData and glNamedBufferSubData. + * + * \param ctx GL context. + * \param bufObj The buffer object. + * \param offset Offset of the first byte of the subdata range. + * \param size Size, in bytes, of the subdata range. + * \param data The data store. + * \param func Name of calling function for recording errors. + * + */ +void +_mesa_buffer_sub_data(struct gl_context *ctx, struct gl_buffer_object *bufObj, + GLintptr offset, GLsizeiptr size, const GLvoid *data) +{ + if (size == 0) + return; + + bufObj->NumSubDataCalls++; bufObj->Written = GL_TRUE; bufObj->MinMaxCacheDirty = true; @@ -1798,33 +1864,70 @@ _mesa_buffer_sub_data(struct gl_context *ctx, struct gl_buffer_object *bufObj, ctx->Driver.BufferSubData(ctx, offset, size, data, bufObj); } -void GLAPIENTRY -_mesa_BufferSubData(GLenum target, GLintptr offset, - GLsizeiptr size, const GLvoid *data) + +static ALWAYS_INLINE void +buffer_sub_data(GLenum target, GLuint buffer, GLintptr offset, + GLsizeiptr size, const GLvoid *data, + bool dsa, bool no_error, const char *func) { GET_CURRENT_CONTEXT(ctx); struct gl_buffer_object *bufObj; - bufObj = get_buffer(ctx, "glBufferSubData", target, GL_INVALID_OPERATION); - if (!bufObj) - return; + if (dsa) { + if (no_error) { + bufObj = _mesa_lookup_bufferobj(ctx, buffer); + } else { + bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, func); + if (!bufObj) + return; + } + } else { + if (no_error) { + struct gl_buffer_object **bufObjPtr = get_buffer_target(ctx, target); + bufObj = *bufObjPtr; + } else { + bufObj = get_buffer(ctx, func, target, GL_INVALID_OPERATION); + if (!bufObj) + return; + } + } - _mesa_buffer_sub_data(ctx, bufObj, offset, size, data, "glBufferSubData"); + if (no_error || validate_buffer_sub_data(ctx, bufObj, offset, size, func)) + _mesa_buffer_sub_data(ctx, bufObj, offset, size, data); } + void GLAPIENTRY -_mesa_NamedBufferSubData(GLuint buffer, GLintptr offset, - GLsizeiptr size, const GLvoid *data) +_mesa_BufferSubData_no_error(GLenum target, GLintptr offset, + GLsizeiptr size, const GLvoid *data) { - GET_CURRENT_CONTEXT(ctx); - struct gl_buffer_object *bufObj; + buffer_sub_data(target, 0, offset, size, data, false, true, + "glBufferSubData"); +} - bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glNamedBufferSubData"); - if (!bufObj) - return; - _mesa_buffer_sub_data(ctx, bufObj, offset, size, data, - "glNamedBufferSubData"); +void GLAPIENTRY +_mesa_BufferSubData(GLenum target, GLintptr offset, + GLsizeiptr size, const GLvoid *data) +{ + buffer_sub_data(target, 0, offset, size, data, false, false, + "glBufferSubData"); +} + +void GLAPIENTRY +_mesa_NamedBufferSubData_no_error(GLuint buffer, GLintptr offset, + GLsizeiptr size, const GLvoid *data) +{ + buffer_sub_data(0, buffer, offset, size, data, true, true, + "glNamedBufferSubData"); +} + +void GLAPIENTRY +_mesa_NamedBufferSubData(GLuint buffer, GLintptr offset, + GLsizeiptr size, const GLvoid *data) +{ + buffer_sub_data(0, buffer, offset, size, data, true, false, + "glNamedBufferSubData"); } @@ -1874,14 +1977,11 @@ _mesa_GetNamedBufferSubData(GLuint buffer, GLintptr offset, /** * \param subdata true if caller is *SubData, false if *Data */ -void -_mesa_clear_buffer_sub_data(struct gl_context *ctx, - struct gl_buffer_object *bufObj, - GLenum internalformat, - GLintptr offset, GLsizeiptr size, - GLenum format, GLenum type, - const GLvoid *data, - const char *func, bool subdata) +static void +clear_buffer_sub_data(struct gl_context *ctx, struct gl_buffer_object *bufObj, + GLenum internalformat, GLintptr offset, GLsizeiptr size, + GLenum format, GLenum type, const GLvoid *data, + const char *func, bool subdata) { mesa_format mesaFormat; GLubyte clearValue[MAX_PIXEL_BYTES]; @@ -1941,9 +2041,8 @@ _mesa_ClearBufferData(GLenum target, GLenum internalformat, GLenum format, if (!bufObj) return; - _mesa_clear_buffer_sub_data(ctx, bufObj, internalformat, 0, bufObj->Size, - format, type, data, - "glClearBufferData", false); + clear_buffer_sub_data(ctx, bufObj, internalformat, 0, bufObj->Size, + format, type, data, "glClearBufferData", false); } void GLAPIENTRY @@ -1957,9 +2056,8 @@ _mesa_ClearNamedBufferData(GLuint buffer, GLenum internalformat, if (!bufObj) return; - _mesa_clear_buffer_sub_data(ctx, bufObj, internalformat, 0, bufObj->Size, - format, type, data, - "glClearNamedBufferData", false); + clear_buffer_sub_data(ctx, bufObj, internalformat, 0, bufObj->Size, + format, type, data, "glClearNamedBufferData", false); } @@ -1976,9 +2074,8 @@ _mesa_ClearBufferSubData(GLenum target, GLenum internalformat, if (!bufObj) return; - _mesa_clear_buffer_sub_data(ctx, bufObj, internalformat, offset, size, - format, type, data, - "glClearBufferSubData", true); + clear_buffer_sub_data(ctx, bufObj, internalformat, offset, size, + format, type, data, "glClearBufferSubData", true); } void GLAPIENTRY @@ -1995,17 +2092,27 @@ _mesa_ClearNamedBufferSubData(GLuint buffer, GLenum internalformat, if (!bufObj) return; - _mesa_clear_buffer_sub_data(ctx, bufObj, internalformat, offset, size, - format, type, data, - "glClearNamedBufferSubData", true); + clear_buffer_sub_data(ctx, bufObj, internalformat, offset, size, format, + type, data, "glClearNamedBufferSubData", true); } +static GLboolean +unmap_buffer(struct gl_context *ctx, struct gl_buffer_object *bufObj) +{ + GLboolean status = ctx->Driver.UnmapBuffer(ctx, bufObj, MAP_USER); + bufObj->Mappings[MAP_USER].AccessFlags = 0; + assert(bufObj->Mappings[MAP_USER].Pointer == NULL); + assert(bufObj->Mappings[MAP_USER].Offset == 0); + assert(bufObj->Mappings[MAP_USER].Length == 0); + + return status; +} -GLboolean -_mesa_unmap_buffer(struct gl_context *ctx, struct gl_buffer_object *bufObj, - const char *func) +static GLboolean +validate_and_unmap_buffer(struct gl_context *ctx, + struct gl_buffer_object *bufObj, + const char *func) { - GLboolean status = GL_TRUE; ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); if (!_mesa_bufferobj_mapped(bufObj, MAP_USER)) { @@ -2050,13 +2157,17 @@ _mesa_unmap_buffer(struct gl_context *ctx, struct gl_buffer_object *bufObj, } #endif - status = ctx->Driver.UnmapBuffer(ctx, bufObj, MAP_USER); - bufObj->Mappings[MAP_USER].AccessFlags = 0; - assert(bufObj->Mappings[MAP_USER].Pointer == NULL); - assert(bufObj->Mappings[MAP_USER].Offset == 0); - assert(bufObj->Mappings[MAP_USER].Length == 0); + return unmap_buffer(ctx, bufObj); +} - return status; +GLboolean GLAPIENTRY +_mesa_UnmapBuffer_no_error(GLenum target) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object **bufObjPtr = get_buffer_target(ctx, target); + struct gl_buffer_object *bufObj = *bufObjPtr; + + return unmap_buffer(ctx, bufObj); } GLboolean GLAPIENTRY @@ -2069,7 +2180,16 @@ _mesa_UnmapBuffer(GLenum target) if (!bufObj) return GL_FALSE; - return _mesa_unmap_buffer(ctx, bufObj, "glUnmapBuffer"); + return validate_and_unmap_buffer(ctx, bufObj, "glUnmapBuffer"); +} + +GLboolean GLAPIENTRY +_mesa_UnmapNamedBuffer_no_error(GLuint buffer) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer); + + return unmap_buffer(ctx, bufObj); } GLboolean GLAPIENTRY @@ -2082,7 +2202,7 @@ _mesa_UnmapNamedBuffer(GLuint buffer) if (!bufObj) return GL_FALSE; - return _mesa_unmap_buffer(ctx, bufObj, "glUnmapNamedBuffer"); + return validate_and_unmap_buffer(ctx, bufObj, "glUnmapNamedBuffer"); } @@ -2261,12 +2381,10 @@ _mesa_GetNamedBufferPointerv(GLuint buffer, GLenum pname, GLvoid **params) } -void -_mesa_copy_buffer_sub_data(struct gl_context *ctx, - struct gl_buffer_object *src, - struct gl_buffer_object *dst, - GLintptr readOffset, GLintptr writeOffset, - GLsizeiptr size, const char *func) +static void +copy_buffer_sub_data(struct gl_context *ctx, struct gl_buffer_object *src, + struct gl_buffer_object *dst, GLintptr readOffset, + GLintptr writeOffset, GLsizeiptr size, const char *func) { if (_mesa_check_disallowed_mapping(src)) { _mesa_error(ctx, GL_INVALID_OPERATION, @@ -2332,6 +2450,24 @@ _mesa_copy_buffer_sub_data(struct gl_context *ctx, ctx->Driver.CopyBufferSubData(ctx, src, dst, readOffset, writeOffset, size); } +void GLAPIENTRY +_mesa_CopyBufferSubData_no_error(GLenum readTarget, GLenum writeTarget, + GLintptr readOffset, GLintptr writeOffset, + GLsizeiptr size) +{ + GET_CURRENT_CONTEXT(ctx); + + struct gl_buffer_object **src_ptr = get_buffer_target(ctx, readTarget); + struct gl_buffer_object *src = *src_ptr; + + struct gl_buffer_object **dst_ptr = get_buffer_target(ctx, writeTarget); + struct gl_buffer_object *dst = *dst_ptr; + + dst->MinMaxCacheDirty = true; + ctx->Driver.CopyBufferSubData(ctx, src, dst, readOffset, writeOffset, + size); +} + void GLAPIENTRY _mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget, GLintptr readOffset, GLintptr writeOffset, @@ -2350,8 +2486,23 @@ _mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget, if (!dst) return; - _mesa_copy_buffer_sub_data(ctx, src, dst, readOffset, writeOffset, size, - "glCopyBufferSubData"); + copy_buffer_sub_data(ctx, src, dst, readOffset, writeOffset, size, + "glCopyBufferSubData"); +} + +void GLAPIENTRY +_mesa_CopyNamedBufferSubData_no_error(GLuint readBuffer, GLuint writeBuffer, + GLintptr readOffset, + GLintptr writeOffset, GLsizeiptr size) +{ + GET_CURRENT_CONTEXT(ctx); + + struct gl_buffer_object *src = _mesa_lookup_bufferobj(ctx, readBuffer); + struct gl_buffer_object *dst = _mesa_lookup_bufferobj(ctx, writeBuffer); + + dst->MinMaxCacheDirty = true; + ctx->Driver.CopyBufferSubData(ctx, src, dst, readOffset, writeOffset, + size); } void GLAPIENTRY @@ -2372,32 +2523,30 @@ _mesa_CopyNamedBufferSubData(GLuint readBuffer, GLuint writeBuffer, if (!dst) return; - _mesa_copy_buffer_sub_data(ctx, src, dst, readOffset, writeOffset, size, - "glCopyNamedBufferSubData"); + copy_buffer_sub_data(ctx, src, dst, readOffset, writeOffset, size, + "glCopyNamedBufferSubData"); } - -void * -_mesa_map_buffer_range(struct gl_context *ctx, - struct gl_buffer_object *bufObj, - GLintptr offset, GLsizeiptr length, - GLbitfield access, const char *func) +static bool +validate_map_buffer_range(struct gl_context *ctx, + struct gl_buffer_object *bufObj, GLintptr offset, + GLsizeiptr length, GLbitfield access, + const char *func) { - void *map; GLbitfield allowed_access; - ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL); + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, false); if (offset < 0) { _mesa_error(ctx, GL_INVALID_VALUE, "%s(offset %ld < 0)", func, (long) offset); - return NULL; + return false; } if (length < 0) { _mesa_error(ctx, GL_INVALID_VALUE, "%s(length %ld < 0)", func, (long) length); - return NULL; + return false; } /* Page 38 of the PDF of the OpenGL ES 3.0 spec says: @@ -2413,7 +2562,7 @@ _mesa_map_buffer_range(struct gl_context *ctx, */ if (length == 0) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(length = 0)", func); - return NULL; + return false; } allowed_access = GL_MAP_READ_BIT | @@ -2432,13 +2581,13 @@ _mesa_map_buffer_range(struct gl_context *ctx, /* generate an error if any bits other than those allowed are set */ _mesa_error(ctx, GL_INVALID_VALUE, "%s(access has undefined bits set)", func); - return NULL; + return false; } if ((access & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)) == 0) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(access indicates neither read or write)", func); - return NULL; + return false; } if ((access & GL_MAP_READ_BIT) && @@ -2447,60 +2596,56 @@ _mesa_map_buffer_range(struct gl_context *ctx, GL_MAP_UNSYNCHRONIZED_BIT))) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(read access with disallowed bits)", func); - return NULL; + return false; } if ((access & GL_MAP_FLUSH_EXPLICIT_BIT) && ((access & GL_MAP_WRITE_BIT) == 0)) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(access has flush explicit without write)", func); - return NULL; + return false; } if (access & GL_MAP_READ_BIT && !(bufObj->StorageFlags & GL_MAP_READ_BIT)) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(buffer does not allow read access)", func); - return NULL; + return false; } if (access & GL_MAP_WRITE_BIT && !(bufObj->StorageFlags & GL_MAP_WRITE_BIT)) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(buffer does not allow write access)", func); - return NULL; + return false; } if (access & GL_MAP_COHERENT_BIT && !(bufObj->StorageFlags & GL_MAP_COHERENT_BIT)) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(buffer does not allow coherent access)", func); - return NULL; + return false; } if (access & GL_MAP_PERSISTENT_BIT && !(bufObj->StorageFlags & GL_MAP_PERSISTENT_BIT)) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(buffer does not allow persistent access)", func); - return NULL; + return false; } if (offset + length > bufObj->Size) { _mesa_error(ctx, GL_INVALID_VALUE, - "%s(offset %td + length %td > buffer_size %td)", func, - offset, length, bufObj->Size); - return NULL; + "%s(offset %lu + length %lu > buffer_size %lu)", func, + (unsigned long) offset, (unsigned long) length, + (unsigned long) bufObj->Size); + return false; } if (_mesa_bufferobj_mapped(bufObj, MAP_USER)) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(buffer already mapped)", func); - return NULL; - } - - if (!bufObj->Size) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s(buffer size = 0)", func); - return NULL; + return false; } if (access & GL_MAP_WRITE_BIT) { @@ -2516,9 +2661,22 @@ _mesa_map_buffer_range(struct gl_context *ctx, } } + return true; +} + +static void * +map_buffer_range(struct gl_context *ctx, struct gl_buffer_object *bufObj, + GLintptr offset, GLsizeiptr length, GLbitfield access, + const char *func) +{ + if (!bufObj->Size) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s(buffer size = 0)", func); + return NULL; + } + assert(ctx->Driver.MapBufferRange); - map = ctx->Driver.MapBufferRange(ctx, offset, length, access, bufObj, - MAP_USER); + void *map = ctx->Driver.MapBufferRange(ctx, offset, length, access, bufObj, + MAP_USER); if (!map) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s(map failed)", func); } @@ -2566,6 +2724,19 @@ _mesa_map_buffer_range(struct gl_context *ctx, return map; } +void * GLAPIENTRY +_mesa_MapBufferRange_no_error(GLenum target, GLintptr offset, + GLsizeiptr length, GLbitfield access) +{ + GET_CURRENT_CONTEXT(ctx); + + struct gl_buffer_object **bufObjPtr = get_buffer_target(ctx, target); + struct gl_buffer_object *bufObj = *bufObjPtr; + + return map_buffer_range(ctx, bufObj, offset, length, access, + "glMapBufferRange"); +} + void * GLAPIENTRY _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access) @@ -2583,8 +2754,23 @@ _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, if (!bufObj) return NULL; - return _mesa_map_buffer_range(ctx, bufObj, offset, length, access, - "glMapBufferRange"); + if (!validate_map_buffer_range(ctx, bufObj, offset, length, access, + "glMapBufferRange")) + return NULL; + + return map_buffer_range(ctx, bufObj, offset, length, access, + "glMapBufferRange"); +} + +void * GLAPIENTRY +_mesa_MapNamedBufferRange_no_error(GLuint buffer, GLintptr offset, + GLsizeiptr length, GLbitfield access) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer); + + return map_buffer_range(ctx, bufObj, offset, length, access, + "glMapNamedBufferRange"); } void * GLAPIENTRY @@ -2605,13 +2791,17 @@ _mesa_MapNamedBufferRange(GLuint buffer, GLintptr offset, GLsizeiptr length, if (!bufObj) return NULL; - return _mesa_map_buffer_range(ctx, bufObj, offset, length, access, - "glMapNamedBufferRange"); + if (!validate_map_buffer_range(ctx, bufObj, offset, length, access, + "glMapNamedBufferRange")) + return NULL; + + return map_buffer_range(ctx, bufObj, offset, length, access, + "glMapNamedBufferRange"); } /** * Converts GLenum access from MapBuffer and MapNamedBuffer into - * flags for input to _mesa_map_buffer_range. + * flags for input to map_buffer_range. * * \return true if the type of requested access is permissible. */ @@ -2634,6 +2824,21 @@ get_map_buffer_access_flags(struct gl_context *ctx, GLenum access, } } +void * GLAPIENTRY +_mesa_MapBuffer_no_error(GLenum target, GLenum access) +{ + GET_CURRENT_CONTEXT(ctx); + + GLbitfield accessFlags; + get_map_buffer_access_flags(ctx, access, &accessFlags); + + struct gl_buffer_object **bufObjPtr = get_buffer_target(ctx, target); + struct gl_buffer_object *bufObj = *bufObjPtr; + + return map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags, + "glMapBuffer"); +} + void * GLAPIENTRY _mesa_MapBuffer(GLenum target, GLenum access) { @@ -2650,8 +2855,26 @@ _mesa_MapBuffer(GLenum target, GLenum access) if (!bufObj) return NULL; - return _mesa_map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags, - "glMapBuffer"); + if (!validate_map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags, + "glMapBuffer")) + return NULL; + + return map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags, + "glMapBuffer"); +} + +void * GLAPIENTRY +_mesa_MapNamedBuffer_no_error(GLuint buffer, GLenum access) +{ + GET_CURRENT_CONTEXT(ctx); + + GLbitfield accessFlags; + get_map_buffer_access_flags(ctx, access, &accessFlags); + + struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer); + + return map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags, + "glMapNamedBuffer"); } void * GLAPIENTRY @@ -2670,16 +2893,20 @@ _mesa_MapNamedBuffer(GLuint buffer, GLenum access) if (!bufObj) return NULL; - return _mesa_map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags, - "glMapNamedBuffer"); + if (!validate_map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags, + "glMapNamedBuffer")) + return NULL; + + return map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags, + "glMapNamedBuffer"); } -void -_mesa_flush_mapped_buffer_range(struct gl_context *ctx, - struct gl_buffer_object *bufObj, - GLintptr offset, GLsizeiptr length, - const char *func) +static void +flush_mapped_buffer_range(struct gl_context *ctx, + struct gl_buffer_object *bufObj, + GLintptr offset, GLsizeiptr length, + const char *func) { if (!ctx->Extensions.ARB_map_buffer_range) { _mesa_error(ctx, GL_INVALID_OPERATION, @@ -2728,6 +2955,19 @@ _mesa_flush_mapped_buffer_range(struct gl_context *ctx, MAP_USER); } +void GLAPIENTRY +_mesa_FlushMappedBufferRange_no_error(GLenum target, GLintptr offset, + GLsizeiptr length) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object **bufObjPtr = get_buffer_target(ctx, target); + struct gl_buffer_object *bufObj = *bufObjPtr; + + if (ctx->Driver.FlushMappedBufferRange) + ctx->Driver.FlushMappedBufferRange(ctx, offset, length, bufObj, + MAP_USER); +} + void GLAPIENTRY _mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length) @@ -2740,8 +2980,20 @@ _mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, if (!bufObj) return; - _mesa_flush_mapped_buffer_range(ctx, bufObj, offset, length, - "glFlushMappedBufferRange"); + flush_mapped_buffer_range(ctx, bufObj, offset, length, + "glFlushMappedBufferRange"); +} + +void GLAPIENTRY +_mesa_FlushMappedNamedBufferRange_no_error(GLuint buffer, GLintptr offset, + GLsizeiptr length) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer); + + if (ctx->Driver.FlushMappedBufferRange) + ctx->Driver.FlushMappedBufferRange(ctx, offset, length, bufObj, + MAP_USER); } void GLAPIENTRY @@ -2756,8 +3008,8 @@ _mesa_FlushMappedNamedBufferRange(GLuint buffer, GLintptr offset, if (!bufObj) return; - _mesa_flush_mapped_buffer_range(ctx, bufObj, offset, length, - "glFlushMappedNamedBufferRange"); + flush_mapped_buffer_range(ctx, bufObj, offset, length, + "glFlushMappedNamedBufferRange"); } @@ -2877,6 +3129,20 @@ bind_shader_storage_buffer(struct gl_context *ctx, set_ssbo_binding(ctx, binding, bufObj, offset, size, autoSize); } +static void +bind_buffer_range_uniform_buffer(struct gl_context *ctx, GLuint index, + struct gl_buffer_object *bufObj, + GLintptr offset, GLsizeiptr size) +{ + if (bufObj == ctx->Shared->NullBufferObj) { + offset = -1; + size = -1; + } + + _mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, bufObj); + bind_uniform_buffer(ctx, index, bufObj, offset, size, GL_FALSE); +} + /** * Bind a region of a buffer object to a uniform block binding point. * \param index the uniform buffer binding point index @@ -2885,11 +3151,9 @@ bind_shader_storage_buffer(struct gl_context *ctx, * \param size size of the buffer object region */ static void -bind_buffer_range_uniform_buffer(struct gl_context *ctx, - GLuint index, - struct gl_buffer_object *bufObj, - GLintptr offset, - GLsizeiptr size) +bind_buffer_range_uniform_buffer_err(struct gl_context *ctx, GLuint index, + struct gl_buffer_object *bufObj, + GLintptr offset, GLsizeiptr size) { if (index >= ctx->Const.MaxUniformBufferBindings) { _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(index=%d)", index); @@ -2903,13 +3167,23 @@ bind_buffer_range_uniform_buffer(struct gl_context *ctx, return; } + bind_buffer_range_uniform_buffer(ctx, index, bufObj, offset, size); +} + +static void +bind_buffer_range_shader_storage_buffer(struct gl_context *ctx, + GLuint index, + struct gl_buffer_object *bufObj, + GLintptr offset, + GLsizeiptr size) +{ if (bufObj == ctx->Shared->NullBufferObj) { offset = -1; size = -1; } - _mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, bufObj); - bind_uniform_buffer(ctx, index, bufObj, offset, size, GL_FALSE); + _mesa_reference_buffer_object(ctx, &ctx->ShaderStorageBuffer, bufObj); + bind_shader_storage_buffer(ctx, index, bufObj, offset, size, GL_FALSE); } /** @@ -2920,11 +3194,10 @@ bind_buffer_range_uniform_buffer(struct gl_context *ctx, * \param size size of the buffer object region */ static void -bind_buffer_range_shader_storage_buffer(struct gl_context *ctx, - GLuint index, - struct gl_buffer_object *bufObj, - GLintptr offset, - GLsizeiptr size) +bind_buffer_range_shader_storage_buffer_err(struct gl_context *ctx, + GLuint index, + struct gl_buffer_object *bufObj, + GLintptr offset, GLsizeiptr size) { if (index >= ctx->Const.MaxShaderStorageBufferBindings) { _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(index=%d)", index); @@ -2938,13 +3211,7 @@ bind_buffer_range_shader_storage_buffer(struct gl_context *ctx, return; } - if (bufObj == ctx->Shared->NullBufferObj) { - offset = -1; - size = -1; - } - - _mesa_reference_buffer_object(ctx, &ctx->ShaderStorageBuffer, bufObj); - bind_shader_storage_buffer(ctx, index, bufObj, offset, size, GL_FALSE); + bind_buffer_range_shader_storage_buffer(ctx, index, bufObj, offset, size); } /** @@ -3016,6 +3283,27 @@ set_atomic_buffer_binding(struct gl_context *ctx, } } +static void +bind_atomic_buffer(struct gl_context *ctx, unsigned index, + struct gl_buffer_object *bufObj, GLintptr offset, + GLsizeiptr size) +{ + _mesa_reference_buffer_object(ctx, &ctx->AtomicBuffer, bufObj); + + struct gl_atomic_buffer_binding *binding = + &ctx->AtomicBufferBindings[index]; + if (binding->BufferObject == bufObj && + binding->Offset == offset && + binding->Size == size) { + return; + } + + FLUSH_VERTICES(ctx, 0); + ctx->NewDriverState |= ctx->DriverFlags.NewAtomicBuffer; + + set_atomic_buffer_binding(ctx, binding, bufObj, offset, size); +} + /** * Binds a buffer object to an atomic buffer binding point. * @@ -3025,15 +3313,10 @@ set_atomic_buffer_binding(struct gl_context *ctx, * updating it. */ static void -bind_atomic_buffer(struct gl_context *ctx, - unsigned index, - struct gl_buffer_object *bufObj, - GLintptr offset, - GLsizeiptr size, - const char *name) +bind_atomic_buffer_err(struct gl_context *ctx, unsigned index, + struct gl_buffer_object *bufObj, GLintptr offset, + GLsizeiptr size, const char *name) { - struct gl_atomic_buffer_binding *binding; - if (index >= ctx->Const.MaxAtomicBufferBindings) { _mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%d)", name, index); return; @@ -3046,19 +3329,7 @@ bind_atomic_buffer(struct gl_context *ctx, return; } - _mesa_reference_buffer_object(ctx, &ctx->AtomicBuffer, bufObj); - - binding = &ctx->AtomicBufferBindings[index]; - if (binding->BufferObject == bufObj && - binding->Offset == offset && - binding->Size == size) { - return; - } - - FLUSH_VERTICES(ctx, 0); - ctx->NewDriverState |= ctx->DriverFlags.NewAtomicBuffer; - - set_atomic_buffer_binding(ctx, binding, bufObj, offset, size); + bind_atomic_buffer(ctx, index, bufObj, offset, size); } static inline bool @@ -3068,11 +3339,11 @@ bind_buffers_check_offset_and_size(struct gl_context *ctx, const GLsizeiptr *sizes) { if (offsets[index] < 0) { - /* The ARB_multi_bind spec says: - * - * "An INVALID_VALUE error is generated by BindBuffersRange if any - * value in is less than zero (per binding)." - */ + /* The ARB_multi_bind spec says: + * + * "An INVALID_VALUE error is generated by BindBuffersRange if any + * value in is less than zero (per binding)." + */ _mesa_error(ctx, GL_INVALID_VALUE, "glBindBuffersRange(offsets[%u]=%" PRId64 " < 0)", index, (int64_t) offsets[index]); @@ -3080,11 +3351,11 @@ bind_buffers_check_offset_and_size(struct gl_context *ctx, } if (sizes[index] <= 0) { - /* The ARB_multi_bind spec says: - * - * "An INVALID_VALUE error is generated by BindBuffersRange if any - * value in is less than or equal to zero (per binding)." - */ + /* The ARB_multi_bind spec says: + * + * "An INVALID_VALUE error is generated by BindBuffersRange if any + * value in is less than or equal to zero (per binding)." + */ _mesa_error(ctx, GL_INVALID_VALUE, "glBindBuffersRange(sizes[%u]=%" PRId64 " <= 0)", index, (int64_t) sizes[index]); @@ -3160,9 +3431,8 @@ static void unbind_uniform_buffers(struct gl_context *ctx, GLuint first, GLsizei count) { struct gl_buffer_object *bufObj = ctx->Shared->NullBufferObj; - GLint i; - for (i = 0; i < count; i++) + for (int i = 0; i < count; i++) set_ubo_binding(ctx, &ctx->UniformBufferBindings[first + i], bufObj, -1, -1, GL_TRUE); } @@ -3176,9 +3446,8 @@ unbind_shader_storage_buffers(struct gl_context *ctx, GLuint first, GLsizei count) { struct gl_buffer_object *bufObj = ctx->Shared->NullBufferObj; - GLint i; - for (i = 0; i < count; i++) + for (int i = 0; i < count; i++) set_ssbo_binding(ctx, &ctx->ShaderStorageBufferBindings[first + i], bufObj, -1, -1, GL_TRUE); } @@ -3190,8 +3459,6 @@ bind_uniform_buffers(struct gl_context *ctx, GLuint first, GLsizei count, const GLintptr *offsets, const GLsizeiptr *sizes, const char *caller) { - GLint i; - if (!error_check_bind_uniform_buffers(ctx, first, count, caller)) return; @@ -3231,9 +3498,9 @@ bind_uniform_buffers(struct gl_context *ctx, GLuint first, GLsizei count, * parameters are valid and no other error occurs." */ - _mesa_begin_bufferobj_lookups(ctx); + _mesa_HashLockMutex(ctx->Shared->BufferObjects); - for (i = 0; i < count; i++) { + for (int i = 0; i < count; i++) { struct gl_uniform_buffer_binding *binding = &ctx->UniformBufferBindings[first + i]; struct gl_buffer_object *bufObj; @@ -3291,7 +3558,7 @@ bind_uniform_buffers(struct gl_context *ctx, GLuint first, GLsizei count, } } - _mesa_end_bufferobj_lookups(ctx); + _mesa_HashUnlockMutex(ctx->Shared->BufferObjects); } static void @@ -3302,8 +3569,6 @@ bind_shader_storage_buffers(struct gl_context *ctx, GLuint first, const GLsizeiptr *sizes, const char *caller) { - GLint i; - if (!error_check_bind_shader_storage_buffers(ctx, first, count, caller)) return; @@ -3343,9 +3608,9 @@ bind_shader_storage_buffers(struct gl_context *ctx, GLuint first, * parameters are valid and no other error occurs." */ - _mesa_begin_bufferobj_lookups(ctx); + _mesa_HashLockMutex(ctx->Shared->BufferObjects); - for (i = 0; i < count; i++) { + for (int i = 0; i < count; i++) { struct gl_shader_storage_buffer_binding *binding = &ctx->ShaderStorageBufferBindings[first + i]; struct gl_buffer_object *bufObj; @@ -3403,7 +3668,7 @@ bind_shader_storage_buffers(struct gl_context *ctx, GLuint first, } } - _mesa_end_bufferobj_lookups(ctx); + _mesa_HashUnlockMutex(ctx->Shared->BufferObjects); } static bool @@ -3463,9 +3728,8 @@ unbind_xfb_buffers(struct gl_context *ctx, GLuint first, GLsizei count) { struct gl_buffer_object * const bufObj = ctx->Shared->NullBufferObj; - GLint i; - for (i = 0; i < count; i++) + for (int i = 0; i < count; i++) _mesa_set_transform_feedback_binding(ctx, tfObj, first + i, bufObj, 0, 0); } @@ -3481,7 +3745,6 @@ bind_xfb_buffers(struct gl_context *ctx, { struct gl_transform_feedback_object *tfObj = ctx->TransformFeedback.CurrentObject; - GLint i; if (!error_check_bind_xfb_buffers(ctx, tfObj, first, count, caller)) return; @@ -3522,9 +3785,9 @@ bind_xfb_buffers(struct gl_context *ctx, * parameters are valid and no other error occurs." */ - _mesa_begin_bufferobj_lookups(ctx); + _mesa_HashLockMutex(ctx->Shared->BufferObjects); - for (i = 0; i < count; i++) { + for (int i = 0; i < count; i++) { const GLuint index = first + i; struct gl_buffer_object * const boundBufObj = tfObj->Buffers[index]; struct gl_buffer_object *bufObj; @@ -3588,7 +3851,7 @@ bind_xfb_buffers(struct gl_context *ctx, offset, size); } - _mesa_end_bufferobj_lookups(ctx); + _mesa_HashUnlockMutex(ctx->Shared->BufferObjects); } static bool @@ -3627,9 +3890,8 @@ static void unbind_atomic_buffers(struct gl_context *ctx, GLuint first, GLsizei count) { struct gl_buffer_object * const bufObj = ctx->Shared->NullBufferObj; - GLint i; - for (i = 0; i < count; i++) + for (int i = 0; i < count; i++) set_atomic_buffer_binding(ctx, &ctx->AtomicBufferBindings[first + i], bufObj, -1, -1); } @@ -3644,8 +3906,6 @@ bind_atomic_buffers(struct gl_context *ctx, const GLsizeiptr *sizes, const char *caller) { - GLint i; - if (!error_check_bind_atomic_buffers(ctx, first, count, caller)) return; @@ -3685,9 +3945,9 @@ bind_atomic_buffers(struct gl_context *ctx, * parameters are valid and no other error occurs." */ - _mesa_begin_bufferobj_lookups(ctx); + _mesa_HashLockMutex(ctx->Shared->BufferObjects); - for (i = 0; i < count; i++) { + for (int i = 0; i < count; i++) { struct gl_atomic_buffer_binding *binding = &ctx->AtomicBufferBindings[first + i]; struct gl_buffer_object *bufObj; @@ -3738,19 +3998,20 @@ bind_atomic_buffers(struct gl_context *ctx, set_atomic_buffer_binding(ctx, binding, bufObj, offset, size); } - _mesa_end_bufferobj_lookups(ctx); + _mesa_HashUnlockMutex(ctx->Shared->BufferObjects); } -void GLAPIENTRY -_mesa_BindBufferRange(GLenum target, GLuint index, - GLuint buffer, GLintptr offset, GLsizeiptr size) +static ALWAYS_INLINE void +bind_buffer_range(GLenum target, GLuint index, GLuint buffer, GLintptr offset, + GLsizeiptr size, bool no_error) { GET_CURRENT_CONTEXT(ctx); struct gl_buffer_object *bufObj; if (MESA_VERBOSE & VERBOSE_API) { - _mesa_debug(ctx, "glBindBufferRange(%s, %u, %u, %ld, %ld)\n", - _mesa_enum_to_string(target), index, buffer, offset, size); + _mesa_debug(ctx, "glBindBufferRange(%s, %u, %u, %lu, %lu)\n", + _mesa_enum_to_string(target), index, buffer, + (unsigned long) offset, (unsigned long) size); } if (buffer == 0) { @@ -3762,41 +4023,82 @@ _mesa_BindBufferRange(GLenum target, GLuint index, &bufObj, "glBindBufferRange")) return; - if (!bufObj) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glBindBufferRange(invalid buffer=%u)", buffer); - return; - } + if (no_error) { + switch (target) { + case GL_TRANSFORM_FEEDBACK_BUFFER: + _mesa_bind_buffer_range_xfb(ctx, ctx->TransformFeedback.CurrentObject, + index, bufObj, offset, size); + return; + case GL_UNIFORM_BUFFER: + bind_buffer_range_uniform_buffer(ctx, index, bufObj, offset, size); + return; + case GL_SHADER_STORAGE_BUFFER: + bind_buffer_range_shader_storage_buffer(ctx, index, bufObj, offset, + size); + return; + case GL_ATOMIC_COUNTER_BUFFER: + bind_atomic_buffer(ctx, index, bufObj, offset, size); + return; + default: + unreachable("invalid BindBufferRange target with KHR_no_error"); + } + } else { + if (!bufObj) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glBindBufferRange(invalid buffer=%u)", buffer); + return; + } + + if (buffer != 0) { + if (size <= 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(size=%d)", + (int) size); + return; + } + } + + switch (target) { + case GL_TRANSFORM_FEEDBACK_BUFFER: + if (!_mesa_validate_buffer_range_xfb(ctx, + ctx->TransformFeedback.CurrentObject, + index, bufObj, offset, size, + false)) + return; - if (buffer != 0) { - if (size <= 0) { - _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(size=%d)", - (int) size); + _mesa_bind_buffer_range_xfb(ctx, ctx->TransformFeedback.CurrentObject, + index, bufObj, offset, size); + return; + case GL_UNIFORM_BUFFER: + bind_buffer_range_uniform_buffer_err(ctx, index, bufObj, offset, + size); + return; + case GL_SHADER_STORAGE_BUFFER: + bind_buffer_range_shader_storage_buffer_err(ctx, index, bufObj, + offset, size); + return; + case GL_ATOMIC_COUNTER_BUFFER: + bind_atomic_buffer_err(ctx, index, bufObj, offset, size, + "glBindBufferRange"); + return; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferRange(target)"); return; } } +} - switch (target) { - case GL_TRANSFORM_FEEDBACK_BUFFER: - _mesa_bind_buffer_range_transform_feedback(ctx, - ctx->TransformFeedback.CurrentObject, - index, bufObj, offset, size, - false); - return; - case GL_UNIFORM_BUFFER: - bind_buffer_range_uniform_buffer(ctx, index, bufObj, offset, size); - return; - case GL_SHADER_STORAGE_BUFFER: - bind_buffer_range_shader_storage_buffer(ctx, index, bufObj, offset, size); - return; - case GL_ATOMIC_COUNTER_BUFFER: - bind_atomic_buffer(ctx, index, bufObj, offset, size, - "glBindBufferRange"); - return; - default: - _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferRange(target)"); - return; - } +void GLAPIENTRY +_mesa_BindBufferRange_no_error(GLenum target, GLuint index, GLuint buffer, + GLintptr offset, GLsizeiptr size) +{ + bind_buffer_range(target, index, buffer, offset, size, true); +} + +void GLAPIENTRY +_mesa_BindBufferRange(GLenum target, GLuint index, + GLuint buffer, GLintptr offset, GLsizeiptr size) +{ + bind_buffer_range(target, index, buffer, offset, size, false); } void GLAPIENTRY @@ -3864,8 +4166,8 @@ _mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer) bind_buffer_base_shader_storage_buffer(ctx, index, bufObj); return; case GL_ATOMIC_COUNTER_BUFFER: - bind_atomic_buffer(ctx, index, bufObj, 0, 0, - "glBindBufferBase"); + bind_atomic_buffer_err(ctx, index, bufObj, 0, 0, + "glBindBufferBase"); return; default: _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferBase(target)"); @@ -3945,6 +4247,25 @@ _mesa_BindBuffersBase(GLenum target, GLuint first, GLsizei count, } } +static ALWAYS_INLINE void +invalidate_buffer_subdata(struct gl_context *ctx, + struct gl_buffer_object *bufObj, GLintptr offset, + GLsizeiptr length) +{ + if (ctx->Driver.InvalidateBufferSubData) + ctx->Driver.InvalidateBufferSubData(ctx, bufObj, offset, length); +} + +void GLAPIENTRY +_mesa_InvalidateBufferSubData_no_error(GLuint buffer, GLintptr offset, + GLsizeiptr length) +{ + GET_CURRENT_CONTEXT(ctx); + + struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer); + invalidate_buffer_subdata(ctx, bufObj, offset, length); +} + void GLAPIENTRY _mesa_InvalidateBufferSubData(GLuint buffer, GLintptr offset, GLsizeiptr length) @@ -3962,7 +4283,7 @@ _mesa_InvalidateBufferSubData(GLuint buffer, GLintptr offset, bufObj = _mesa_lookup_bufferobj(ctx, buffer); if (!bufObj || bufObj == &DummyBufferObject) { _mesa_error(ctx, GL_INVALID_VALUE, - "glInvalidateBufferSubData(name = 0x%x) invalid object", + "glInvalidateBufferSubData(name = %u) invalid object", buffer); return; } @@ -3994,8 +4315,16 @@ _mesa_InvalidateBufferSubData(GLuint buffer, GLintptr offset, return; } - if (ctx->Driver.InvalidateBufferSubData) - ctx->Driver.InvalidateBufferSubData(ctx, bufObj, offset, length); + invalidate_buffer_subdata(ctx, bufObj, offset, length); +} + +void GLAPIENTRY +_mesa_InvalidateBufferData_no_error(GLuint buffer) +{ + GET_CURRENT_CONTEXT(ctx); + + struct gl_buffer_object *bufObj =_mesa_lookup_bufferobj(ctx, buffer); + invalidate_buffer_subdata(ctx, bufObj, 0, bufObj->Size); } void GLAPIENTRY @@ -4013,7 +4342,7 @@ _mesa_InvalidateBufferData(GLuint buffer) bufObj = _mesa_lookup_bufferobj(ctx, buffer); if (!bufObj || bufObj == &DummyBufferObject) { _mesa_error(ctx, GL_INVALID_VALUE, - "glInvalidateBufferData(name = 0x%x) invalid object", + "glInvalidateBufferData(name = %u) invalid object", buffer); return; } @@ -4032,6 +4361,83 @@ _mesa_InvalidateBufferData(GLuint buffer) return; } - if (ctx->Driver.InvalidateBufferSubData) - ctx->Driver.InvalidateBufferSubData(ctx, bufObj, 0, bufObj->Size); + invalidate_buffer_subdata(ctx, bufObj, 0, bufObj->Size); +} + +static void +buffer_page_commitment(struct gl_context *ctx, + struct gl_buffer_object *bufferObj, + GLintptr offset, GLsizeiptr size, + GLboolean commit, const char *func) +{ + if (!(bufferObj->StorageFlags & GL_SPARSE_STORAGE_BIT_ARB)) { + _mesa_error(ctx, GL_INVALID_OPERATION, "%s(not a sparse buffer object)", + func); + return; + } + + if (size < 0 || size > bufferObj->Size || + offset < 0 || offset > bufferObj->Size - size) { + _mesa_error(ctx, GL_INVALID_VALUE, "%s(out of bounds)", + func); + return; + } + + /* The GL_ARB_sparse_buffer extension specification says: + * + * "INVALID_VALUE is generated by BufferPageCommitmentARB if is + * not an integer multiple of SPARSE_BUFFER_PAGE_SIZE_ARB, or if + * is not an integer multiple of SPARSE_BUFFER_PAGE_SIZE_ARB and does + * not extend to the end of the buffer's data store." + */ + if (offset % ctx->Const.SparseBufferPageSize != 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "%s(offset not aligned to page size)", + func); + return; + } + + if (size % ctx->Const.SparseBufferPageSize != 0 && + offset + size != bufferObj->Size) { + _mesa_error(ctx, GL_INVALID_VALUE, "%s(size not aligned to page size)", + func); + return; + } + + ctx->Driver.BufferPageCommitment(ctx, bufferObj, offset, size, commit); +} + +void GLAPIENTRY +_mesa_BufferPageCommitmentARB(GLenum target, GLintptr offset, GLsizeiptr size, + GLboolean commit) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object *bufferObj; + + bufferObj = get_buffer(ctx, "glBufferPageCommitmentARB", target, + GL_INVALID_ENUM); + if (!bufferObj) + return; + + buffer_page_commitment(ctx, bufferObj, offset, size, commit, + "glBufferPageCommitmentARB"); +} + +void GLAPIENTRY +_mesa_NamedBufferPageCommitmentARB(GLuint buffer, GLintptr offset, + GLsizeiptr size, GLboolean commit) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object *bufferObj; + + bufferObj = _mesa_lookup_bufferobj(ctx, buffer); + if (!bufferObj || bufferObj == &DummyBufferObject) { + /* Note: the extension spec is not clear about the excpected error value. */ + _mesa_error(ctx, GL_INVALID_VALUE, + "glNamedBufferPageCommitmentARB(name = %u) invalid object", + buffer); + return; + } + + buffer_page_commitment(ctx, bufferObj, offset, size, commit, + "glNamedBufferPageCommitmentARB"); }