X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fbufferobj.c;h=2bae1bc72d9b18811a958f38e729bc285622bf61;hb=43a76a9e4416a2ff0b09bb0bc2a39bd4c61148b4;hp=cde6ac2acafaf36cc67715f757ed5582ba8a927e;hpb=f772d51c256b9e6458a4f9cf2021eadef34c8313;p=mesa.git diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c index cde6ac2acaf..2bae1bc72d9 100644 --- a/src/mesa/main/bufferobj.c +++ b/src/mesa/main/bufferobj.c @@ -31,6 +31,7 @@ */ #include +#include /* for PRId64 macro */ #include "glheader.h" #include "enums.h" #include "hash.h" @@ -80,7 +81,7 @@ get_buffer_target(struct gl_context *ctx, GLenum target) case GL_ARRAY_BUFFER_ARB: return &ctx->Array.ArrayBufferObj; case GL_ELEMENT_ARRAY_BUFFER_ARB: - return &ctx->Array.ArrayObj->ElementArrayBufferObj; + return &ctx->Array.VAO->IndexBufferObj; case GL_PIXEL_PACK_BUFFER_EXT: return &ctx->Pack.BufferObj; case GL_PIXEL_UNPACK_BUFFER_EXT: @@ -207,11 +208,12 @@ static bool bufferobj_range_mapped(const struct gl_buffer_object *obj, GLintptr offset, GLsizeiptr size) { - if (_mesa_bufferobj_mapped(obj)) { + if (_mesa_bufferobj_mapped(obj, MAP_USER)) { const GLintptr end = offset + size; - const GLintptr mapEnd = obj->Offset + obj->Length; + const GLintptr mapEnd = obj->Mappings[MAP_USER].Offset + + obj->Mappings[MAP_USER].Length; - if (!(end <= obj->Offset || offset >= mapEnd)) { + if (!(end <= obj->Mappings[MAP_USER].Offset || offset >= mapEnd)) { return true; } } @@ -269,6 +271,9 @@ buffer_object_subdata_range_good(struct gl_context * ctx, GLenum target, return NULL; } + if (bufObj->Mappings[MAP_USER].AccessFlags & GL_MAP_PERSISTENT_BIT) + return bufObj; + if (mappedRange) { if (bufferobj_range_mapped(bufObj, offset, size)) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s", caller); @@ -276,7 +281,7 @@ buffer_object_subdata_range_good(struct gl_context * ctx, GLenum target, } } else { - if (_mesa_bufferobj_mapped(bufObj)) { + if (_mesa_bufferobj_mapped(bufObj, MAP_USER)) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s", caller); return NULL; } @@ -384,14 +389,14 @@ convert_clear_buffer_data(struct gl_context *ctx, * Default callback for the \c dd_function_table::NewBufferObject() hook. */ static struct gl_buffer_object * -_mesa_new_buffer_object( struct gl_context *ctx, GLuint name, GLenum target ) +_mesa_new_buffer_object(struct gl_context *ctx, GLuint name) { struct gl_buffer_object *obj; (void) ctx; obj = MALLOC_STRUCT(gl_buffer_object); - _mesa_initialize_buffer_object(ctx, obj, name, target); + _mesa_initialize_buffer_object(ctx, obj, name); return obj; } @@ -407,13 +412,13 @@ _mesa_delete_buffer_object(struct gl_context *ctx, { (void) ctx; - free(bufObj->Data); + _mesa_align_free(bufObj->Data); /* assign strange values here to help w/ debugging */ bufObj->RefCount = -1000; bufObj->Name = ~0; - _glthread_DESTROY_MUTEX(bufObj->Mutex); + mtx_destroy(&bufObj->Mutex); free(bufObj->Label); free(bufObj); } @@ -435,7 +440,7 @@ _mesa_reference_buffer_object_(struct gl_context *ctx, GLboolean deleteFlag = GL_FALSE; struct gl_buffer_object *oldObj = *ptr; - _glthread_LOCK_MUTEX(oldObj->Mutex); + mtx_lock(&oldObj->Mutex); ASSERT(oldObj->RefCount > 0); oldObj->RefCount--; #if 0 @@ -443,7 +448,7 @@ _mesa_reference_buffer_object_(struct gl_context *ctx, (void *) oldObj, oldObj->Name, oldObj->RefCount); #endif deleteFlag = (oldObj->RefCount == 0); - _glthread_UNLOCK_MUTEX(oldObj->Mutex); + mtx_unlock(&oldObj->Mutex); if (deleteFlag) { @@ -451,8 +456,8 @@ _mesa_reference_buffer_object_(struct gl_context *ctx, #if 0 /* unfortunately, these tests are invalid during context tear-down */ ASSERT(ctx->Array.ArrayBufferObj != bufObj); - ASSERT(ctx->Array.ArrayObj->ElementArrayBufferObj != bufObj); - ASSERT(ctx->Array.ArrayObj->Vertex.BufferObj != bufObj); + ASSERT(ctx->Array.VAO->IndexBufferObj != bufObj); + ASSERT(ctx->Array.VAO->Vertex.BufferObj != bufObj); #endif ASSERT(ctx->Driver.DeleteBuffer); @@ -465,7 +470,7 @@ _mesa_reference_buffer_object_(struct gl_context *ctx, if (bufObj) { /* reference new buffer */ - _glthread_LOCK_MUTEX(bufObj->Mutex); + 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. */ @@ -480,7 +485,7 @@ _mesa_reference_buffer_object_(struct gl_context *ctx, #endif *ptr = bufObj; } - _glthread_UNLOCK_MUTEX(bufObj->Mutex); + mtx_unlock(&bufObj->Mutex); } } @@ -489,18 +494,15 @@ _mesa_reference_buffer_object_(struct gl_context *ctx, * Initialize a buffer object to default values. */ void -_mesa_initialize_buffer_object( struct gl_context *ctx, - struct gl_buffer_object *obj, - GLuint name, GLenum target ) +_mesa_initialize_buffer_object(struct gl_context *ctx, + struct gl_buffer_object *obj, + GLuint name) { - (void) target; - memset(obj, 0, sizeof(struct gl_buffer_object)); - _glthread_INIT_MUTEX(obj->Mutex); + mtx_init(&obj->Mutex, mtx_plain); obj->RefCount = 1; obj->Name = name; obj->Usage = GL_STATIC_DRAW_ARB; - obj->AccessFlags = 0; } @@ -555,21 +557,21 @@ _mesa_total_buffer_object_memory(struct gl_context *ctx) */ static GLboolean _mesa_buffer_data( struct gl_context *ctx, GLenum target, GLsizeiptrARB size, - const GLvoid * data, GLenum usage, + const GLvoid * data, GLenum usage, GLenum storageFlags, struct gl_buffer_object * bufObj ) { void * new_data; (void) target; - if (bufObj->Data) - _mesa_align_free( bufObj->Data ); + _mesa_align_free( bufObj->Data ); new_data = _mesa_align_malloc( size, ctx->Const.MinMapBufferAlignment ); if (new_data) { bufObj->Data = (GLubyte *) new_data; bufObj->Size = size; bufObj->Usage = usage; + bufObj->StorageFlags = storageFlags; if (data) { memcpy( bufObj->Data, data, size ); @@ -662,7 +664,7 @@ _mesa_buffer_get_subdata( struct gl_context *ctx, GLintptrARB offset, * \sa glClearBufferSubData, glClearBufferData and * dd_function_table::ClearBufferSubData. */ -static void +void _mesa_buffer_clear_subdata(struct gl_context *ctx, GLintptr offset, GLsizeiptr size, const GLvoid *clearValue, @@ -672,33 +674,11 @@ _mesa_buffer_clear_subdata(struct gl_context *ctx, GLsizeiptr i; GLubyte *dest; - if (_mesa_bufferobj_mapped(bufObj)) { - GLubyte *data = malloc(size); - GLubyte *dataStart = data; - if (data == NULL) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glClearBuffer[Sub]Data"); - return; - } - - if (clearValue == NULL) { - /* Clear with zeros, per the spec */ - memset(data, 0, size); - } - else { - for (i = 0; i < size/clearValueSize; ++i) { - memcpy(data, clearValue, clearValueSize); - data += clearValueSize; - } - } - ctx->Driver.BufferSubData(ctx, offset, size, dataStart, bufObj); - return; - } - ASSERT(ctx->Driver.MapBufferRange); dest = ctx->Driver.MapBufferRange(ctx, offset, size, GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_RANGE_BIT, - bufObj); + bufObj, MAP_INTERNAL); if (!dest) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glClearBuffer[Sub]Data"); @@ -708,7 +688,7 @@ _mesa_buffer_clear_subdata(struct gl_context *ctx, if (clearValue == NULL) { /* Clear with zeros, per the spec */ memset(dest, 0, size); - ctx->Driver.UnmapBuffer(ctx, bufObj); + ctx->Driver.UnmapBuffer(ctx, bufObj, MAP_INTERNAL); return; } @@ -717,7 +697,7 @@ _mesa_buffer_clear_subdata(struct gl_context *ctx, dest += clearValueSize; } - ctx->Driver.UnmapBuffer(ctx, bufObj); + ctx->Driver.UnmapBuffer(ctx, bufObj, MAP_INTERNAL); } @@ -728,16 +708,17 @@ _mesa_buffer_clear_subdata(struct gl_context *ctx, static void * _mesa_buffer_map_range( struct gl_context *ctx, GLintptr offset, GLsizeiptr length, GLbitfield access, - struct gl_buffer_object *bufObj ) + struct gl_buffer_object *bufObj, + gl_map_buffer_index index) { (void) ctx; - assert(!_mesa_bufferobj_mapped(bufObj)); + assert(!_mesa_bufferobj_mapped(bufObj, index)); /* Just return a direct pointer to the data */ - bufObj->Pointer = bufObj->Data + offset; - bufObj->Length = length; - bufObj->Offset = offset; - bufObj->AccessFlags = access; - return bufObj->Pointer; + bufObj->Mappings[index].Pointer = bufObj->Data + offset; + bufObj->Mappings[index].Length = length; + bufObj->Mappings[index].Offset = offset; + bufObj->Mappings[index].AccessFlags = access; + return bufObj->Mappings[index].Pointer; } @@ -748,7 +729,8 @@ _mesa_buffer_map_range( struct gl_context *ctx, GLintptr offset, static void _mesa_buffer_flush_mapped_range( struct gl_context *ctx, GLintptr offset, GLsizeiptr length, - struct gl_buffer_object *obj ) + struct gl_buffer_object *obj, + gl_map_buffer_index index) { (void) ctx; (void) offset; @@ -766,14 +748,15 @@ _mesa_buffer_flush_mapped_range( struct gl_context *ctx, * \sa glUnmapBufferARB, dd_function_table::UnmapBuffer */ static GLboolean -_mesa_buffer_unmap( struct gl_context *ctx, struct gl_buffer_object *bufObj ) +_mesa_buffer_unmap(struct gl_context *ctx, struct gl_buffer_object *bufObj, + gl_map_buffer_index index) { (void) ctx; /* XXX we might assert here that bufObj->Pointer is non-null */ - bufObj->Pointer = NULL; - bufObj->Length = 0; - bufObj->Offset = 0; - bufObj->AccessFlags = 0x0; + bufObj->Mappings[index].Pointer = NULL; + bufObj->Mappings[index].Length = 0; + bufObj->Mappings[index].Offset = 0; + bufObj->Mappings[index].AccessFlags = 0x0; return GL_TRUE; } @@ -791,14 +774,11 @@ _mesa_copy_buffer_subdata(struct gl_context *ctx, { GLubyte *srcPtr, *dstPtr; - /* the buffers should not be mapped */ - assert(!_mesa_bufferobj_mapped(src)); - assert(!_mesa_bufferobj_mapped(dst)); - if (src == dst) { srcPtr = dstPtr = ctx->Driver.MapBufferRange(ctx, 0, src->Size, GL_MAP_READ_BIT | - GL_MAP_WRITE_BIT, src); + GL_MAP_WRITE_BIT, src, + MAP_INTERNAL); if (!srcPtr) return; @@ -807,10 +787,12 @@ _mesa_copy_buffer_subdata(struct gl_context *ctx, dstPtr += writeOffset; } else { srcPtr = ctx->Driver.MapBufferRange(ctx, readOffset, size, - GL_MAP_READ_BIT, src); + GL_MAP_READ_BIT, src, + MAP_INTERNAL); dstPtr = ctx->Driver.MapBufferRange(ctx, writeOffset, size, (GL_MAP_WRITE_BIT | - GL_MAP_INVALIDATE_RANGE_BIT), dst); + GL_MAP_INVALIDATE_RANGE_BIT), dst, + MAP_INTERNAL); } /* Note: the src and dst regions will never overlap. Trying to do so @@ -819,9 +801,9 @@ _mesa_copy_buffer_subdata(struct gl_context *ctx, if (srcPtr && dstPtr) memcpy(dstPtr, srcPtr, size); - ctx->Driver.UnmapBuffer(ctx, src); + ctx->Driver.UnmapBuffer(ctx, src, MAP_INTERNAL); if (dst != src) - ctx->Driver.UnmapBuffer(ctx, dst); + ctx->Driver.UnmapBuffer(ctx, dst, MAP_INTERNAL); } @@ -835,7 +817,7 @@ _mesa_init_buffer_objects( struct gl_context *ctx ) GLuint i; memset(&DummyBufferObject, 0, sizeof(DummyBufferObject)); - _glthread_INIT_MUTEX(DummyBufferObject.Mutex); + mtx_init(&DummyBufferObject.Mutex, mtx_plain); DummyBufferObject.RefCount = 1000*1000*1000; /* never delete */ _mesa_reference_buffer_object(ctx, &ctx->Array.ArrayBufferObj, @@ -849,6 +831,9 @@ _mesa_init_buffer_objects( struct gl_context *ctx ) _mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, ctx->Shared->NullBufferObj); + _mesa_reference_buffer_object(ctx, &ctx->AtomicBuffer, + ctx->Shared->NullBufferObj); + _mesa_reference_buffer_object(ctx, &ctx->DrawIndirectBuffer, ctx->Shared->NullBufferObj); @@ -859,6 +844,14 @@ _mesa_init_buffer_objects( struct gl_context *ctx ) ctx->UniformBufferBindings[i].Offset = -1; ctx->UniformBufferBindings[i].Size = -1; } + + for (i = 0; i < MAX_COMBINED_ATOMIC_BUFFERS; i++) { + _mesa_reference_buffer_object(ctx, + &ctx->AtomicBufferBindings[i].BufferObject, + ctx->Shared->NullBufferObj); + ctx->AtomicBufferBindings[i].Offset = -1; + ctx->AtomicBufferBindings[i].Size = -1; + } } @@ -874,6 +867,8 @@ _mesa_free_buffer_objects( struct gl_context *ctx ) _mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, NULL); + _mesa_reference_buffer_object(ctx, &ctx->AtomicBuffer, NULL); + _mesa_reference_buffer_object(ctx, &ctx->DrawIndirectBuffer, NULL); for (i = 0; i < MAX_COMBINED_UNIFORM_BUFFERS; i++) { @@ -881,6 +876,13 @@ _mesa_free_buffer_objects( struct gl_context *ctx ) &ctx->UniformBufferBindings[i].BufferObject, NULL); } + + for (i = 0; i < MAX_COMBINED_ATOMIC_BUFFERS; i++) { + _mesa_reference_buffer_object(ctx, + &ctx->AtomicBufferBindings[i].BufferObject, + NULL); + } + } bool @@ -902,7 +904,7 @@ _mesa_handle_bind_buffer_gen(struct gl_context *ctx, * never used before, allocate a buffer object now. */ ASSERT(ctx->Driver.NewBufferObject); - buf = ctx->Driver.NewBufferObject(ctx, buffer, target); + buf = ctx->Driver.NewBufferObject(ctx, buffer); if (!buf) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", caller); return false; @@ -955,10 +957,6 @@ bind_buffer_object(struct gl_context *ctx, GLenum target, GLuint buffer) /* bind new buffer */ _mesa_reference_buffer_object(ctx, bindTarget, newBufObj); - - /* Pass BindBuffer call to device driver */ - if (ctx->Driver.BindBuffer) - ctx->Driver.BindBuffer( ctx, target, newBufObj ); } @@ -996,6 +994,78 @@ _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); +} + + +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. + * + * Unlike _mesa_lookup_bufferobj(), this function also takes care + * of generating an error if the buffer ID is not zero or the name + * of an existing buffer object. + * + * If the buffer ID refers to an existing buffer object, a pointer + * to the buffer object is returned. If the ID is zero, a pointer + * to the shared NullBufferObj is returned. If the ID is not zero + * and does not refer to a valid buffer object, this function + * returns NULL. + * + * This function assumes that the caller has already locked the + * hash table mutex by calling _mesa_begin_bufferobj_lookups(). + */ +struct gl_buffer_object * +_mesa_multi_bind_lookup_bufferobj(struct gl_context *ctx, + const GLuint *buffers, + GLuint index, const char *caller) +{ + struct gl_buffer_object *bufObj; + + if (buffers[index] != 0) { + bufObj = _mesa_lookup_bufferobj_locked(ctx, buffers[index]); + + /* The multi-bind functions don't create the buffer objects + when they don't exist. */ + if (bufObj == &DummyBufferObject) + bufObj = NULL; + } else + bufObj = ctx->Shared->NullBufferObj; + + if (!bufObj) { + /* The ARB_multi_bind spec says: + * + * "An INVALID_OPERATION error is generated if any value + * in is not zero or the name of an existing + * buffer object (per binding)." + */ + _mesa_error(ctx, GL_INVALID_OPERATION, + "%s(buffers[%u]=%u is not zero or the name " + "of an existing buffer object)", + caller, index, buffers[index]); + } + + return bufObj; +} + + /** * If *ptr points to obj, set ptr = the Null/default buffer object. * This is a helper for buffer object deletion. @@ -1023,7 +1093,6 @@ _mesa_init_buffer_object_functions(struct dd_function_table *driver) /* GL_ARB_vertex/pixel_buffer_object */ driver->NewBufferObject = _mesa_new_buffer_object; driver->DeleteBuffer = _mesa_delete_buffer_object; - driver->BindBuffer = NULL; driver->BufferData = _mesa_buffer_data; driver->BufferSubData = _mesa_buffer_subdata; driver->GetBufferSubData = _mesa_buffer_get_subdata; @@ -1041,6 +1110,21 @@ _mesa_init_buffer_object_functions(struct dd_function_table *driver) } +void +_mesa_buffer_unmap_all_mappings(struct gl_context *ctx, + struct gl_buffer_object *bufObj) +{ + int i; + + for (i = 0; i < MAP_COUNT; i++) { + if (_mesa_bufferobj_mapped(bufObj, i)) { + ctx->Driver.UnmapBuffer(ctx, bufObj, i); + ASSERT(bufObj->Mappings[i].Pointer == NULL); + bufObj->Mappings[i].AccessFlags = 0; + } + } +} + /**********************************************************************/ /* API Functions */ @@ -1077,32 +1161,27 @@ _mesa_DeleteBuffers(GLsizei n, const GLuint *ids) return; } - _glthread_LOCK_MUTEX(ctx->Shared->Mutex); + mtx_lock(&ctx->Shared->Mutex); for (i = 0; i < n; i++) { struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, ids[i]); if (bufObj) { - struct gl_array_object *arrayObj = ctx->Array.ArrayObj; + struct gl_vertex_array_object *vao = ctx->Array.VAO; GLuint j; ASSERT(bufObj->Name == ids[i] || bufObj == &DummyBufferObject); - if (_mesa_bufferobj_mapped(bufObj)) { - /* if mapped, unmap it now */ - ctx->Driver.UnmapBuffer(ctx, bufObj); - bufObj->AccessFlags = 0; - bufObj->Pointer = NULL; - } + _mesa_buffer_unmap_all_mappings(ctx, bufObj); /* unbind any vertex pointers bound to this buffer */ - for (j = 0; j < Elements(arrayObj->VertexBinding); j++) { - unbind(ctx, &arrayObj->VertexBinding[j].BufferObj, bufObj); + for (j = 0; j < Elements(vao->VertexBinding); j++) { + unbind(ctx, &vao->VertexBinding[j].BufferObj, bufObj); } if (ctx->Array.ArrayBufferObj == bufObj) { _mesa_BindBuffer( GL_ARRAY_BUFFER_ARB, 0 ); } - if (arrayObj->ElementArrayBufferObj == bufObj) { + if (vao->IndexBufferObj == bufObj) { _mesa_BindBuffer( GL_ELEMENT_ARRAY_BUFFER_ARB, 0 ); } @@ -1140,6 +1219,17 @@ _mesa_DeleteBuffers(GLsizei n, const GLuint *ids) _mesa_BindBuffer( GL_UNIFORM_BUFFER, 0 ); } + /* unbind Atomci Buffer binding points */ + for (j = 0; j < ctx->Const.MaxAtomicBufferBindings; j++) { + if (ctx->AtomicBufferBindings[j].BufferObject == bufObj) { + _mesa_BindBufferBase( GL_ATOMIC_COUNTER_BUFFER, j, 0 ); + } + } + + if (ctx->UniformBuffer == bufObj) { + _mesa_BindBuffer( GL_ATOMIC_COUNTER_BUFFER, 0 ); + } + /* unbind any pixel pack/unpack pointers bound to this buffer */ if (ctx->Pack.BufferObj == bufObj) { _mesa_BindBuffer( GL_PIXEL_PACK_BUFFER_EXT, 0 ); @@ -1169,7 +1259,7 @@ _mesa_DeleteBuffers(GLsizei n, const GLuint *ids) } } - _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); + mtx_unlock(&ctx->Shared->Mutex); } @@ -1201,7 +1291,7 @@ _mesa_GenBuffers(GLsizei n, GLuint *buffer) /* * This must be atomic (generation and allocation of buffer object IDs) */ - _glthread_LOCK_MUTEX(ctx->Shared->Mutex); + mtx_lock(&ctx->Shared->Mutex); first = _mesa_HashFindFreeKeyBlock(ctx->Shared->BufferObjects, n); @@ -1212,7 +1302,7 @@ _mesa_GenBuffers(GLsizei n, GLuint *buffer) buffer[i] = first + i; } - _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); + mtx_unlock(&ctx->Shared->Mutex); } @@ -1230,14 +1320,72 @@ _mesa_IsBuffer(GLuint id) GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); - _glthread_LOCK_MUTEX(ctx->Shared->Mutex); + mtx_lock(&ctx->Shared->Mutex); bufObj = _mesa_lookup_bufferobj(ctx, id); - _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); + mtx_unlock(&ctx->Shared->Mutex); return bufObj && bufObj != &DummyBufferObject; } +void GLAPIENTRY +_mesa_BufferStorage(GLenum target, GLsizeiptr size, const GLvoid *data, + GLbitfield flags) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object *bufObj; + + if (size <= 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glBufferStorage(size <= 0)"); + return; + } + + 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)) { + _mesa_error(ctx, GL_INVALID_VALUE, "glBufferStorage(flags)"); + return; + } + + if (flags & GL_MAP_PERSISTENT_BIT && + !(flags & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT))) { + _mesa_error(ctx, GL_INVALID_VALUE, "glBufferStorage(flags!=READ/WRITE)"); + return; + } + + if (flags & GL_MAP_COHERENT_BIT && !(flags & GL_MAP_PERSISTENT_BIT)) { + _mesa_error(ctx, GL_INVALID_VALUE, "glBufferStorage(flags!=PERSISTENT)"); + return; + } + + bufObj = get_buffer(ctx, "glBufferStorage", target, GL_INVALID_OPERATION); + if (!bufObj) + return; + + if (bufObj->Immutable) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glBufferStorage(immutable)"); + return; + } + + /* 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); + + bufObj->Written = GL_TRUE; + bufObj->Immutable = GL_TRUE; + + ASSERT(ctx->Driver.BufferData); + if (!ctx->Driver.BufferData(ctx, target, size, data, GL_DYNAMIC_DRAW, + flags, bufObj)) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBufferStorage()"); + } +} + + void GLAPIENTRY _mesa_BufferData(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage) @@ -1290,12 +1438,13 @@ _mesa_BufferData(GLenum target, GLsizeiptrARB size, if (!bufObj) return; - if (_mesa_bufferobj_mapped(bufObj)) { - /* Unmap the existing buffer. We'll replace it now. Not an error. */ - ctx->Driver.UnmapBuffer(ctx, bufObj); - bufObj->AccessFlags = 0; - ASSERT(bufObj->Pointer == NULL); - } + if (bufObj->Immutable) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glBufferData(immutable)"); + return; + } + + /* 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); @@ -1311,7 +1460,11 @@ _mesa_BufferData(GLenum target, GLsizeiptrARB size, #endif ASSERT(ctx->Driver.BufferData); - if (!ctx->Driver.BufferData( ctx, target, size, data, usage, bufObj )) { + if (!ctx->Driver.BufferData(ctx, target, size, data, usage, + GL_MAP_READ_BIT | + GL_MAP_WRITE_BIT | + GL_DYNAMIC_STORAGE_BIT, + bufObj)) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBufferDataARB()"); } } @@ -1332,6 +1485,12 @@ _mesa_BufferSubData(GLenum target, GLintptrARB offset, return; } + if (bufObj->Immutable && + !(bufObj->StorageFlags & GL_DYNAMIC_STORAGE_BIT)) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glBufferSubData"); + return; + } + if (size == 0) return; @@ -1377,7 +1536,7 @@ _mesa_ClearBufferData(GLenum target, GLenum internalformat, GLenum format, return; } - if (_mesa_bufferobj_mapped(bufObj)) { + if (_mesa_check_disallowed_mapping(bufObj)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glClearBufferData(buffer currently mapped)"); return; @@ -1401,7 +1560,7 @@ _mesa_ClearBufferData(GLenum target, GLenum internalformat, GLenum format, if (data == NULL) { /* clear to zeros, per the spec */ ctx->Driver.ClearBufferSubData(ctx, 0, bufObj->Size, - NULL, 0, bufObj); + NULL, clearValueSize, bufObj); return; } @@ -1451,8 +1610,10 @@ _mesa_ClearBufferSubData(GLenum target, GLenum internalformat, if (data == NULL) { /* clear to zeros, per the spec */ - ctx->Driver.ClearBufferSubData(ctx, offset, size, - NULL, 0, bufObj); + if (size > 0) { + ctx->Driver.ClearBufferSubData(ctx, offset, size, + NULL, clearValueSize, bufObj); + } return; } @@ -1462,8 +1623,10 @@ _mesa_ClearBufferSubData(GLenum target, GLenum internalformat, return; } - ctx->Driver.ClearBufferSubData(ctx, offset, size, - clearValue, clearValueSize, bufObj); + if (size > 0) { + ctx->Driver.ClearBufferSubData(ctx, offset, size, + clearValue, clearValueSize, bufObj); + } } @@ -1505,7 +1668,21 @@ _mesa_MapBuffer(GLenum target, GLenum access) if (!bufObj) return NULL; - if (_mesa_bufferobj_mapped(bufObj)) { + if (accessFlags & GL_MAP_READ_BIT && + !(bufObj->StorageFlags & GL_MAP_READ_BIT)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glMapBuffer(invalid read flag)"); + return NULL; + } + + if (accessFlags & GL_MAP_WRITE_BIT && + !(bufObj->StorageFlags & GL_MAP_WRITE_BIT)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glMapBuffer(invalid write flag)"); + return NULL; + } + + if (_mesa_bufferobj_mapped(bufObj, MAP_USER)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glMapBufferARB(already mapped)"); return NULL; } @@ -1517,7 +1694,8 @@ _mesa_MapBuffer(GLenum target, GLenum access) } ASSERT(ctx->Driver.MapBufferRange); - map = ctx->Driver.MapBufferRange(ctx, 0, bufObj->Size, accessFlags, bufObj); + map = ctx->Driver.MapBufferRange(ctx, 0, bufObj->Size, accessFlags, bufObj, + MAP_USER); if (!map) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glMapBufferARB(map failed)"); return NULL; @@ -1527,10 +1705,10 @@ _mesa_MapBuffer(GLenum target, GLenum access) * This is important because other modules (like VBO) might call * the driver function directly. */ - ASSERT(bufObj->Pointer == map); - ASSERT(bufObj->Length == bufObj->Size); - ASSERT(bufObj->Offset == 0); - bufObj->AccessFlags = accessFlags; + ASSERT(bufObj->Mappings[MAP_USER].Pointer == map); + ASSERT(bufObj->Mappings[MAP_USER].Length == bufObj->Size); + ASSERT(bufObj->Mappings[MAP_USER].Offset == 0); + bufObj->Mappings[MAP_USER].AccessFlags = accessFlags; } if (access == GL_WRITE_ONLY_ARB || access == GL_READ_WRITE_ARB) @@ -1558,7 +1736,7 @@ _mesa_MapBuffer(GLenum target, GLenum access) } #endif - return bufObj->Pointer; + return bufObj->Mappings[MAP_USER].Pointer; } @@ -1574,7 +1752,7 @@ _mesa_UnmapBuffer(GLenum target) if (!bufObj) return GL_FALSE; - if (!_mesa_bufferobj_mapped(bufObj)) { + if (!_mesa_bufferobj_mapped(bufObj, MAP_USER)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glUnmapBufferARB"); return GL_FALSE; } @@ -1615,11 +1793,11 @@ _mesa_UnmapBuffer(GLenum target) } #endif - status = ctx->Driver.UnmapBuffer( ctx, bufObj ); - bufObj->AccessFlags = 0; - ASSERT(bufObj->Pointer == NULL); - ASSERT(bufObj->Offset == 0); - ASSERT(bufObj->Length == 0); + 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; } @@ -1644,25 +1822,36 @@ _mesa_GetBufferParameteriv(GLenum target, GLenum pname, GLint *params) *params = bufObj->Usage; return; case GL_BUFFER_ACCESS_ARB: - *params = simplified_access_mode(ctx, bufObj->AccessFlags); + *params = simplified_access_mode(ctx, + bufObj->Mappings[MAP_USER].AccessFlags); return; case GL_BUFFER_MAPPED_ARB: - *params = _mesa_bufferobj_mapped(bufObj); + *params = _mesa_bufferobj_mapped(bufObj, MAP_USER); return; case GL_BUFFER_ACCESS_FLAGS: if (!ctx->Extensions.ARB_map_buffer_range) goto invalid_pname; - *params = bufObj->AccessFlags; + *params = bufObj->Mappings[MAP_USER].AccessFlags; return; case GL_BUFFER_MAP_OFFSET: if (!ctx->Extensions.ARB_map_buffer_range) goto invalid_pname; - *params = (GLint) bufObj->Offset; + *params = (GLint) bufObj->Mappings[MAP_USER].Offset; return; case GL_BUFFER_MAP_LENGTH: if (!ctx->Extensions.ARB_map_buffer_range) goto invalid_pname; - *params = (GLint) bufObj->Length; + *params = (GLint) bufObj->Mappings[MAP_USER].Length; + return; + case GL_BUFFER_IMMUTABLE_STORAGE: + if (!ctx->Extensions.ARB_buffer_storage) + goto invalid_pname; + *params = bufObj->Immutable; + return; + case GL_BUFFER_STORAGE_FLAGS: + if (!ctx->Extensions.ARB_buffer_storage) + goto invalid_pname; + *params = bufObj->StorageFlags; return; default: ; /* fall-through */ @@ -1698,25 +1887,36 @@ _mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params) *params = bufObj->Usage; return; case GL_BUFFER_ACCESS_ARB: - *params = simplified_access_mode(ctx, bufObj->AccessFlags); + *params = simplified_access_mode(ctx, + bufObj->Mappings[MAP_USER].AccessFlags); return; case GL_BUFFER_ACCESS_FLAGS: if (!ctx->Extensions.ARB_map_buffer_range) goto invalid_pname; - *params = bufObj->AccessFlags; + *params = bufObj->Mappings[MAP_USER].AccessFlags; return; case GL_BUFFER_MAPPED_ARB: - *params = _mesa_bufferobj_mapped(bufObj); + *params = _mesa_bufferobj_mapped(bufObj, MAP_USER); return; case GL_BUFFER_MAP_OFFSET: if (!ctx->Extensions.ARB_map_buffer_range) goto invalid_pname; - *params = bufObj->Offset; + *params = bufObj->Mappings[MAP_USER].Offset; return; case GL_BUFFER_MAP_LENGTH: if (!ctx->Extensions.ARB_map_buffer_range) goto invalid_pname; - *params = bufObj->Length; + *params = bufObj->Mappings[MAP_USER].Length; + return; + case GL_BUFFER_IMMUTABLE_STORAGE: + if (!ctx->Extensions.ARB_buffer_storage) + goto invalid_pname; + *params = bufObj->Immutable; + return; + case GL_BUFFER_STORAGE_FLAGS: + if (!ctx->Extensions.ARB_buffer_storage) + goto invalid_pname; + *params = bufObj->StorageFlags; return; default: ; /* fall-through */ @@ -1744,7 +1944,7 @@ _mesa_GetBufferPointerv(GLenum target, GLenum pname, GLvoid **params) if (!bufObj) return; - *params = bufObj->Pointer; + *params = bufObj->Mappings[MAP_USER].Pointer; } @@ -1766,13 +1966,13 @@ _mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget, if (!dst) return; - if (_mesa_bufferobj_mapped(src)) { + if (_mesa_check_disallowed_mapping(src)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glCopyBufferSubData(readBuffer is mapped)"); return; } - if (_mesa_bufferobj_mapped(dst)) { + if (_mesa_check_disallowed_mapping(dst)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glCopyBufferSubData(writeBuffer is mapped)"); return; @@ -1839,6 +2039,7 @@ _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, GET_CURRENT_CONTEXT(ctx); struct gl_buffer_object *bufObj; void *map; + GLbitfield allowed_access; ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL); @@ -1873,13 +2074,20 @@ _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, return NULL; } - if (access & ~(GL_MAP_READ_BIT | - GL_MAP_WRITE_BIT | - GL_MAP_INVALIDATE_RANGE_BIT | - GL_MAP_INVALIDATE_BUFFER_BIT | - GL_MAP_FLUSH_EXPLICIT_BIT | - GL_MAP_UNSYNCHRONIZED_BIT)) { - /* generate an error if any undefind bit is set */ + allowed_access = GL_MAP_READ_BIT | + GL_MAP_WRITE_BIT | + GL_MAP_INVALIDATE_RANGE_BIT | + GL_MAP_INVALIDATE_BUFFER_BIT | + GL_MAP_FLUSH_EXPLICIT_BIT | + GL_MAP_UNSYNCHRONIZED_BIT; + + if (ctx->Extensions.ARB_buffer_storage) { + allowed_access |= GL_MAP_PERSISTENT_BIT | + GL_MAP_COHERENT_BIT; + } + + if (access & ~allowed_access) { + /* generate an error if any other than allowed bit is set */ _mesa_error(ctx, GL_INVALID_VALUE, "glMapBufferRange(access)"); return NULL; } @@ -1910,13 +2118,41 @@ _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, if (!bufObj) return NULL; + if (access & GL_MAP_READ_BIT && + !(bufObj->StorageFlags & GL_MAP_READ_BIT)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glMapBufferRange(invalid read flag)"); + return NULL; + } + + if (access & GL_MAP_WRITE_BIT && + !(bufObj->StorageFlags & GL_MAP_WRITE_BIT)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glMapBufferRange(invalid write flag)"); + return NULL; + } + + if (access & GL_MAP_COHERENT_BIT && + !(bufObj->StorageFlags & GL_MAP_COHERENT_BIT)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glMapBufferRange(invalid coherent flag)"); + return NULL; + } + + if (access & GL_MAP_PERSISTENT_BIT && + !(bufObj->StorageFlags & GL_MAP_PERSISTENT_BIT)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glMapBufferRange(invalid persistent flag)"); + return NULL; + } + if (offset + length > bufObj->Size) { _mesa_error(ctx, GL_INVALID_VALUE, "glMapBufferRange(offset + length > size)"); return NULL; } - if (_mesa_bufferobj_mapped(bufObj)) { + if (_mesa_bufferobj_mapped(bufObj, MAP_USER)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glMapBufferRange(buffer already mapped)"); return NULL; @@ -1931,15 +2167,16 @@ _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, /* Mapping zero bytes should return a non-null pointer. */ if (!length) { static long dummy = 0; - bufObj->Pointer = &dummy; - bufObj->Length = length; - bufObj->Offset = offset; - bufObj->AccessFlags = access; - return bufObj->Pointer; + bufObj->Mappings[MAP_USER].Pointer = &dummy; + bufObj->Mappings[MAP_USER].Length = length; + bufObj->Mappings[MAP_USER].Offset = offset; + bufObj->Mappings[MAP_USER].AccessFlags = access; + return bufObj->Mappings[MAP_USER].Pointer; } ASSERT(ctx->Driver.MapBufferRange); - map = ctx->Driver.MapBufferRange(ctx, offset, length, access, bufObj); + map = ctx->Driver.MapBufferRange(ctx, offset, length, access, bufObj, + MAP_USER); if (!map) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glMapBufferARB(map failed)"); } @@ -1948,10 +2185,10 @@ _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, * This is important because other modules (like VBO) might call * the driver function directly. */ - ASSERT(bufObj->Pointer == map); - ASSERT(bufObj->Length == length); - ASSERT(bufObj->Offset == offset); - ASSERT(bufObj->AccessFlags == access); + ASSERT(bufObj->Mappings[MAP_USER].Pointer == map); + ASSERT(bufObj->Mappings[MAP_USER].Length == length); + ASSERT(bufObj->Mappings[MAP_USER].Offset == offset); + ASSERT(bufObj->Mappings[MAP_USER].AccessFlags == access); } return map; @@ -1990,30 +2227,33 @@ _mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length) if (!bufObj) return; - if (!_mesa_bufferobj_mapped(bufObj)) { + if (!_mesa_bufferobj_mapped(bufObj, MAP_USER)) { /* buffer is not mapped */ _mesa_error(ctx, GL_INVALID_OPERATION, "glFlushMappedBufferRange(buffer is not mapped)"); return; } - if ((bufObj->AccessFlags & GL_MAP_FLUSH_EXPLICIT_BIT) == 0) { + if ((bufObj->Mappings[MAP_USER].AccessFlags & + GL_MAP_FLUSH_EXPLICIT_BIT) == 0) { _mesa_error(ctx, GL_INVALID_OPERATION, "glFlushMappedBufferRange(GL_MAP_FLUSH_EXPLICIT_BIT not set)"); return; } - if (offset + length > bufObj->Length) { + if (offset + length > bufObj->Mappings[MAP_USER].Length) { _mesa_error(ctx, GL_INVALID_VALUE, "glFlushMappedBufferRange(offset %ld + length %ld > mapped length %ld)", - (long)offset, (long)length, (long)bufObj->Length); + (long)offset, (long)length, + (long)bufObj->Mappings[MAP_USER].Length); return; } - ASSERT(bufObj->AccessFlags & GL_MAP_WRITE_BIT); + ASSERT(bufObj->Mappings[MAP_USER].AccessFlags & GL_MAP_WRITE_BIT); if (ctx->Driver.FlushMappedBufferRange) - ctx->Driver.FlushMappedBufferRange(ctx, offset, length, bufObj); + ctx->Driver.FlushMappedBufferRange(ctx, offset, length, bufObj, + MAP_USER); } @@ -2391,17 +2631,51 @@ _mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name, GLenum pname, } } +/** + * Binds a buffer object to a uniform buffer binding point. + * + * The caller is responsible for flushing vertices and updating + * NewDriverState. + */ static void set_ubo_binding(struct gl_context *ctx, - int index, - struct gl_buffer_object *bufObj, - GLintptr offset, - GLsizeiptr size, - GLboolean autoSize) + struct gl_uniform_buffer_binding *binding, + struct gl_buffer_object *bufObj, + GLintptr offset, + GLsizeiptr size, + GLboolean autoSize) +{ + _mesa_reference_buffer_object(ctx, &binding->BufferObject, bufObj); + + binding->Offset = offset; + binding->Size = size; + binding->AutomaticSize = autoSize; + + /* If this is a real buffer object, mark it has having been used + * at some point as a UBO. + */ + if (size >= 0) + bufObj->UsageHistory |= USAGE_UNIFORM_BUFFER; +} + +/** + * Binds a buffer object to a uniform buffer binding point. + * + * Unlike set_ubo_binding(), this function also flushes vertices + * and updates NewDriverState. It also checks if the binding + * has actually changed before updating it. + */ +static void +bind_uniform_buffer(struct gl_context *ctx, + GLuint index, + struct gl_buffer_object *bufObj, + GLintptr offset, + GLsizeiptr size, + GLboolean autoSize) { - struct gl_uniform_buffer_binding *binding; + struct gl_uniform_buffer_binding *binding = + &ctx->UniformBufferBindings[index]; - binding = &ctx->UniformBufferBindings[index]; if (binding->BufferObject == bufObj && binding->Offset == offset && binding->Size == size && @@ -2412,10 +2686,7 @@ set_ubo_binding(struct gl_context *ctx, FLUSH_VERTICES(ctx, 0); ctx->NewDriverState |= ctx->DriverFlags.NewUniformBuffer; - _mesa_reference_buffer_object(ctx, &binding->BufferObject, bufObj); - binding->Offset = offset; - binding->Size = size; - binding->AutomaticSize = autoSize; + set_ubo_binding(ctx, binding, bufObj, offset, size, autoSize); } /** @@ -2439,7 +2710,7 @@ bind_buffer_range_uniform_buffer(struct gl_context *ctx, if (offset & (ctx->Const.UniformBufferOffsetAlignment - 1)) { _mesa_error(ctx, GL_INVALID_VALUE, - "glBindBufferRange(offset misalgned %d/%d)", (int) offset, + "glBindBufferRange(offset misaligned %d/%d)", (int) offset, ctx->Const.UniformBufferOffsetAlignment); return; } @@ -2450,7 +2721,7 @@ bind_buffer_range_uniform_buffer(struct gl_context *ctx, } _mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, bufObj); - set_ubo_binding(ctx, index, bufObj, offset, size, GL_FALSE); + bind_uniform_buffer(ctx, index, bufObj, offset, size, GL_FALSE); } @@ -2469,19 +2740,53 @@ bind_buffer_base_uniform_buffer(struct gl_context *ctx, } _mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, bufObj); + if (bufObj == ctx->Shared->NullBufferObj) - set_ubo_binding(ctx, index, bufObj, -1, -1, GL_TRUE); + bind_uniform_buffer(ctx, index, bufObj, -1, -1, GL_TRUE); else - set_ubo_binding(ctx, index, bufObj, 0, 0, GL_TRUE); + bind_uniform_buffer(ctx, index, bufObj, 0, 0, GL_TRUE); } +/** + * Binds a buffer object to an atomic buffer binding point. + * + * The caller is responsible for validating the offset, + * flushing the vertices and updating NewDriverState. + */ static void set_atomic_buffer_binding(struct gl_context *ctx, - unsigned index, + struct gl_atomic_buffer_binding *binding, struct gl_buffer_object *bufObj, GLintptr offset, - GLsizeiptr size, - const char *name) + GLsizeiptr size) +{ + _mesa_reference_buffer_object(ctx, &binding->BufferObject, bufObj); + + if (bufObj == ctx->Shared->NullBufferObj) { + binding->Offset = -1; + binding->Size = -1; + } else { + binding->Offset = offset; + binding->Size = size; + bufObj->UsageHistory |= USAGE_ATOMIC_COUNTER_BUFFER; + } +} + +/** + * Binds a buffer object to an atomic buffer binding point. + * + * Unlike set_atomic_buffer_binding(), this function also validates the + * index and offset, flushes vertices, and updates NewDriverState. + * It also checks if the binding has actually changing before + * 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) { struct gl_atomic_buffer_binding *binding; @@ -2492,7 +2797,7 @@ set_atomic_buffer_binding(struct gl_context *ctx, if (offset & (ATOMIC_COUNTER_SIZE - 1)) { _mesa_error(ctx, GL_INVALID_VALUE, - "%s(offset misalgned %d/%d)", name, (int) offset, + "%s(offset misaligned %d/%d)", name, (int) offset, ATOMIC_COUNTER_SIZE); return; } @@ -2509,15 +2814,704 @@ set_atomic_buffer_binding(struct gl_context *ctx, FLUSH_VERTICES(ctx, 0); ctx->NewDriverState |= ctx->DriverFlags.NewAtomicBuffer; - _mesa_reference_buffer_object(ctx, &binding->BufferObject, bufObj); + set_atomic_buffer_binding(ctx, binding, bufObj, offset, size); +} - if (bufObj == ctx->Shared->NullBufferObj) { - binding->Offset = -1; - binding->Size = -1; - } else { - binding->Offset = offset; - binding->Size = size; +static inline bool +bind_buffers_check_offset_and_size(struct gl_context *ctx, + GLuint index, + const GLintptr *offsets, + 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)." + */ + _mesa_error(ctx, GL_INVALID_VALUE, + "glBindBuffersRange(offsets[%u]=%" PRId64 " < 0)", + index, (int64_t) offsets[index]); + return false; } + + 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)." + */ + _mesa_error(ctx, GL_INVALID_VALUE, + "glBindBuffersRange(sizes[%u]=%" PRId64 " <= 0)", + index, (int64_t) sizes[index]); + return false; + } + + return true; +} + +static bool +error_check_bind_uniform_buffers(struct gl_context *ctx, + GLuint first, GLsizei count, + const char *caller) +{ + if (!ctx->Extensions.ARB_uniform_buffer_object) { + _mesa_error(ctx, GL_INVALID_ENUM, + "%s(target=GL_UNIFORM_BUFFER)", caller); + return false; + } + + /* The ARB_multi_bind_spec says: + * + * "An INVALID_OPERATION error is generated if + is + * greater than the number of target-specific indexed binding points, + * as described in section 6.7.1." + */ + if (first + count > ctx->Const.MaxUniformBufferBindings) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "%s(first=%u + count=%d > the value of " + "GL_MAX_UNIFORM_BUFFER_BINDINGS=%u)", + caller, first, count, + ctx->Const.MaxUniformBufferBindings); + return false; + } + + return true; +} + +/** + * Unbind all uniform buffers in the range + * through +-1 + */ +static void +unbind_uniform_buffers(struct gl_context *ctx, GLuint first, GLsizei count) +{ + struct gl_buffer_object *bufObj = ctx->Shared->NullBufferObj; + GLuint i; + + for (i = 0; i < count; i++) + set_ubo_binding(ctx, &ctx->UniformBufferBindings[first + i], + bufObj, -1, -1, GL_TRUE); +} + +static void +bind_uniform_buffers_base(struct gl_context *ctx, GLuint first, GLsizei count, + const GLuint *buffers) +{ + GLuint i; + + if (!error_check_bind_uniform_buffers(ctx, first, count, "glBindBuffersBase")) + return; + + /* Assume that at least one binding will be changed */ + FLUSH_VERTICES(ctx, 0); + ctx->NewDriverState |= ctx->DriverFlags.NewUniformBuffer; + + if (!buffers) { + /* The ARB_multi_bind spec says: + * + * "If is NULL, all bindings from through + * +-1 are reset to their unbound (zero) state." + */ + unbind_uniform_buffers(ctx, first, count); + return; + } + + /* Note that the error semantics for multi-bind commands differ from + * those of other GL commands. + * + * The Issues section in the ARB_multi_bind spec says: + * + * "(11) Typically, OpenGL specifies that if an error is generated by a + * command, that command has no effect. This is somewhat + * unfortunate for multi-bind commands, because it would require a + * first pass to scan the entire list of bound objects for errors + * and then a second pass to actually perform the bindings. + * Should we have different error semantics? + * + * RESOLVED: Yes. In this specification, when the parameters for + * one of the binding points are invalid, that binding point + * is not updated and an error will be generated. However, other + * binding points in the same command will be updated if their + * parameters are valid and no other error occurs." + */ + + _mesa_begin_bufferobj_lookups(ctx); + + for (i = 0; i < count; i++) { + struct gl_uniform_buffer_binding *binding = + &ctx->UniformBufferBindings[first + i]; + struct gl_buffer_object *bufObj; + + if (binding->BufferObject && binding->BufferObject->Name == buffers[i]) + bufObj = binding->BufferObject; + else + bufObj = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, i, + "glBindBuffersBase"); + + if (bufObj) { + if (bufObj == ctx->Shared->NullBufferObj) + set_ubo_binding(ctx, binding, bufObj, -1, -1, GL_TRUE); + else + set_ubo_binding(ctx, binding, bufObj, 0, 0, GL_TRUE); + } + } + + _mesa_end_bufferobj_lookups(ctx); +} + +static void +bind_uniform_buffers_range(struct gl_context *ctx, GLuint first, GLsizei count, + const GLuint *buffers, + const GLintptr *offsets, const GLsizeiptr *sizes) +{ + GLuint i; + + if (!error_check_bind_uniform_buffers(ctx, first, count, + "glBindBuffersRange")) + return; + + /* Assume that at least one binding will be changed */ + FLUSH_VERTICES(ctx, 0); + ctx->NewDriverState |= ctx->DriverFlags.NewUniformBuffer; + + if (!buffers) { + /* The ARB_multi_bind spec says: + * + * "If is NULL, all bindings from through + * +-1 are reset to their unbound (zero) state. + * In this case, the offsets and sizes associated with the + * binding points are set to default values, ignoring + * and ." + */ + unbind_uniform_buffers(ctx, first, count); + return; + } + + /* Note that the error semantics for multi-bind commands differ from + * those of other GL commands. + * + * The Issues section in the ARB_multi_bind spec says: + * + * "(11) Typically, OpenGL specifies that if an error is generated by a + * command, that command has no effect. This is somewhat + * unfortunate for multi-bind commands, because it would require a + * first pass to scan the entire list of bound objects for errors + * and then a second pass to actually perform the bindings. + * Should we have different error semantics? + * + * RESOLVED: Yes. In this specification, when the parameters for + * one of the binding points are invalid, that binding point + * is not updated and an error will be generated. However, other + * binding points in the same command will be updated if their + * parameters are valid and no other error occurs." + */ + + _mesa_begin_bufferobj_lookups(ctx); + + for (i = 0; i < count; i++) { + struct gl_uniform_buffer_binding *binding = + &ctx->UniformBufferBindings[first + i]; + struct gl_buffer_object *bufObj; + + if (!bind_buffers_check_offset_and_size(ctx, i, offsets, sizes)) + continue; + + /* The ARB_multi_bind spec says: + * + * "An INVALID_VALUE error is generated by BindBuffersRange if any + * pair of values in and does not respectively + * satisfy the constraints described for those parameters for the + * specified target, as described in section 6.7.1 (per binding)." + * + * Section 6.7.1 refers to table 6.5, which says: + * + * "┌───────────────────────────────────────────────────────────────┐ + * │ Uniform buffer array bindings (see sec. 7.6) │ + * ├─────────────────────┬─────────────────────────────────────────┤ + * │ ... │ ... │ + * │ offset restriction │ multiple of value of UNIFORM_BUFFER_- │ + * │ │ OFFSET_ALIGNMENT │ + * │ ... │ ... │ + * │ size restriction │ none │ + * └─────────────────────┴─────────────────────────────────────────┘" + */ + if (offsets[i] & (ctx->Const.UniformBufferOffsetAlignment - 1)) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glBindBuffersRange(offsets[%u]=%" PRId64 + " is misaligned; it must be a multiple of the value of " + "GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT=%u when " + "target=GL_UNIFORM_BUFFER)", + i, (int64_t) offsets[i], + ctx->Const.UniformBufferOffsetAlignment); + continue; + } + + if (binding->BufferObject && binding->BufferObject->Name == buffers[i]) + bufObj = binding->BufferObject; + else + bufObj = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, i, + "glBindBuffersRange"); + + if (bufObj) { + if (bufObj == ctx->Shared->NullBufferObj) + set_ubo_binding(ctx, binding, bufObj, -1, -1, GL_FALSE); + else + set_ubo_binding(ctx, binding, bufObj, + offsets[i], sizes[i], GL_FALSE); + } + } + + _mesa_end_bufferobj_lookups(ctx); +} + +static bool +error_check_bind_xfb_buffers(struct gl_context *ctx, + struct gl_transform_feedback_object *tfObj, + GLuint first, GLsizei count, const char *caller) +{ + if (!ctx->Extensions.EXT_transform_feedback) { + _mesa_error(ctx, GL_INVALID_ENUM, + "%s(target=GL_TRANSFORM_FEEDBACK_BUFFER)", caller); + return false; + } + + /* Page 398 of the PDF of the OpenGL 4.4 (Core Profile) spec says: + * + * "An INVALID_OPERATION error is generated : + * + * ... + * • by BindBufferRange or BindBufferBase if target is TRANSFORM_- + * FEEDBACK_BUFFER and transform feedback is currently active." + * + * We assume that this is also meant to apply to BindBuffersRange + * and BindBuffersBase. + */ + if (tfObj->Active) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "%s(Changing transform feedback buffers while " + "transform feedback is active)", caller); + return false; + } + + /* The ARB_multi_bind_spec says: + * + * "An INVALID_OPERATION error is generated if + is + * greater than the number of target-specific indexed binding points, + * as described in section 6.7.1." + */ + if (first + count > ctx->Const.MaxTransformFeedbackBuffers) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "%s(first=%u + count=%d > the value of " + "GL_MAX_TRANSFORM_FEEDBACK_BUFFERS=%u)", + caller, first, count, + ctx->Const.MaxTransformFeedbackBuffers); + return false; + } + + return true; +} + +/** + * Unbind all transform feedback buffers in the range + * through +-1 + */ +static void +unbind_xfb_buffers(struct gl_context *ctx, + struct gl_transform_feedback_object *tfObj, + GLuint first, GLsizei count) +{ + struct gl_buffer_object * const bufObj = ctx->Shared->NullBufferObj; + GLuint i; + + for (i = 0; i < count; i++) + _mesa_set_transform_feedback_binding(ctx, tfObj, first + i, + bufObj, 0, 0); +} + +static void +bind_xfb_buffers_base(struct gl_context *ctx, + GLuint first, GLsizei count, + const GLuint *buffers) +{ + struct gl_transform_feedback_object *tfObj = + ctx->TransformFeedback.CurrentObject; + GLuint i; + + if (!error_check_bind_xfb_buffers(ctx, tfObj, first, count, + "glBindBuffersBase")) + return; + + /* Assume that at least one binding will be changed */ + FLUSH_VERTICES(ctx, 0); + ctx->NewDriverState |= ctx->DriverFlags.NewTransformFeedback; + + if (!buffers) { + /* The ARB_multi_bind spec says: + * + * "If is NULL, all bindings from through + * +-1 are reset to their unbound (zero) state." + */ + unbind_xfb_buffers(ctx, tfObj, first, count); + return; + } + + /* Note that the error semantics for multi-bind commands differ from + * those of other GL commands. + * + * The Issues section in the ARB_multi_bind spec says: + * + * "(11) Typically, OpenGL specifies that if an error is generated by a + * command, that command has no effect. This is somewhat + * unfortunate for multi-bind commands, because it would require a + * first pass to scan the entire list of bound objects for errors + * and then a second pass to actually perform the bindings. + * Should we have different error semantics? + * + * RESOLVED: Yes. In this specification, when the parameters for + * one of the binding points are invalid, that binding point + * is not updated and an error will be generated. However, other + * binding points in the same command will be updated if their + * parameters are valid and no other error occurs." + */ + + _mesa_begin_bufferobj_lookups(ctx); + + for (i = 0; i < count; i++) { + struct gl_buffer_object * const boundBufObj = tfObj->Buffers[first + i]; + struct gl_buffer_object *bufObj; + + if (boundBufObj && boundBufObj->Name == buffers[i]) + bufObj = boundBufObj; + else + bufObj = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, i, + "glBindBuffersBase"); + + if (bufObj) + _mesa_set_transform_feedback_binding(ctx, tfObj, first + i, + bufObj, 0, 0); + } + + _mesa_end_bufferobj_lookups(ctx); +} + +static void +bind_xfb_buffers_range(struct gl_context *ctx, + GLuint first, GLsizei count, + const GLuint *buffers, + const GLintptr *offsets, + const GLsizeiptr *sizes) +{ + struct gl_transform_feedback_object *tfObj = + ctx->TransformFeedback.CurrentObject; + GLuint i; + + if (!error_check_bind_xfb_buffers(ctx, tfObj, first, count, + "glBindBuffersRange")) + return; + + /* Assume that at least one binding will be changed */ + FLUSH_VERTICES(ctx, 0); + ctx->NewDriverState |= ctx->DriverFlags.NewTransformFeedback; + + if (!buffers) { + /* The ARB_multi_bind spec says: + * + * "If is NULL, all bindings from through + * +-1 are reset to their unbound (zero) state. + * In this case, the offsets and sizes associated with the + * binding points are set to default values, ignoring + * and ." + */ + unbind_xfb_buffers(ctx, tfObj, first, count); + return; + } + + /* Note that the error semantics for multi-bind commands differ from + * those of other GL commands. + * + * The Issues section in the ARB_multi_bind spec says: + * + * "(11) Typically, OpenGL specifies that if an error is generated by a + * command, that command has no effect. This is somewhat + * unfortunate for multi-bind commands, because it would require a + * first pass to scan the entire list of bound objects for errors + * and then a second pass to actually perform the bindings. + * Should we have different error semantics? + * + * RESOLVED: Yes. In this specification, when the parameters for + * one of the binding points are invalid, that binding point + * is not updated and an error will be generated. However, other + * binding points in the same command will be updated if their + * parameters are valid and no other error occurs." + */ + + _mesa_begin_bufferobj_lookups(ctx); + + for (i = 0; i < count; i++) { + const GLuint index = first + i; + struct gl_buffer_object * const boundBufObj = tfObj->Buffers[index]; + struct gl_buffer_object *bufObj; + + if (!bind_buffers_check_offset_and_size(ctx, i, offsets, sizes)) + continue; + + /* The ARB_multi_bind spec says: + * + * "An INVALID_VALUE error is generated by BindBuffersRange if any + * pair of values in and does not respectively + * satisfy the constraints described for those parameters for the + * specified target, as described in section 6.7.1 (per binding)." + * + * Section 6.7.1 refers to table 6.5, which says: + * + * "┌───────────────────────────────────────────────────────────────┐ + * │ Transform feedback array bindings (see sec. 13.2.2) │ + * ├───────────────────────┬───────────────────────────────────────┤ + * │ ... │ ... │ + * │ offset restriction │ multiple of 4 │ + * │ ... │ ... │ + * │ size restriction │ multiple of 4 │ + * └───────────────────────┴───────────────────────────────────────┘" + */ + if (offsets[i] & 0x3) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glBindBuffersRange(offsets[%u]=%" PRId64 + " is misaligned; it must be a multiple of 4 when " + "target=GL_TRANSFORM_FEEDBACK_BUFFER)", + i, (int64_t) offsets[i]); + continue; + } + + if (sizes[i] & 0x3) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glBindBuffersRange(sizes[%u]=%" PRId64 + " is misaligned; it must be a multiple of 4 when " + "target=GL_TRANSFORM_FEEDBACK_BUFFER)", + i, (int64_t) sizes[i]); + continue; + } + + if (boundBufObj && boundBufObj->Name == buffers[i]) + bufObj = boundBufObj; + else + bufObj = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, i, + "glBindBuffersRange"); + + if (bufObj) + _mesa_set_transform_feedback_binding(ctx, tfObj, index, bufObj, + offsets[i], sizes[i]); + } + + _mesa_end_bufferobj_lookups(ctx); +} + +static bool +error_check_bind_atomic_buffers(struct gl_context *ctx, + GLuint first, GLsizei count, + const char *caller) +{ + if (!ctx->Extensions.ARB_shader_atomic_counters) { + _mesa_error(ctx, GL_INVALID_ENUM, + "%s(target=GL_ATOMIC_COUNTER_BUFFER)", caller); + return false; + } + + /* The ARB_multi_bind_spec says: + * + * "An INVALID_OPERATION error is generated if + is + * greater than the number of target-specific indexed binding points, + * as described in section 6.7.1." + */ + if (first + count > ctx->Const.MaxAtomicBufferBindings) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "%s(first=%u + count=%d > the value of " + "GL_MAX_ATOMIC_BUFFER_BINDINGS=%u)", + caller, first, count, ctx->Const.MaxAtomicBufferBindings); + return false; + } + + return true; +} + +/** + * Unbind all atomic counter buffers in the range + * through +-1 + */ +static void +unbind_atomic_buffers(struct gl_context *ctx, GLuint first, GLsizei count) +{ + struct gl_buffer_object * const bufObj = ctx->Shared->NullBufferObj; + GLuint i; + + for (i = 0; i < count; i++) + set_atomic_buffer_binding(ctx, &ctx->AtomicBufferBindings[first + i], + bufObj, -1, -1); +} + +static void +bind_atomic_buffers_base(struct gl_context *ctx, + GLuint first, + GLsizei count, + const GLuint *buffers) +{ + GLuint i; + + if (!error_check_bind_atomic_buffers(ctx, first, count, + "glBindBuffersBase")) + return; + + /* Assume that at least one binding will be changed */ + FLUSH_VERTICES(ctx, 0); + ctx->NewDriverState |= ctx->DriverFlags.NewAtomicBuffer; + + if (!buffers) { + /* The ARB_multi_bind spec says: + * + * "If is NULL, all bindings from through + * +-1 are reset to their unbound (zero) state." + */ + unbind_atomic_buffers(ctx, first, count); + return; + } + + /* Note that the error semantics for multi-bind commands differ from + * those of other GL commands. + * + * The Issues section in the ARB_multi_bind spec says: + * + * "(11) Typically, OpenGL specifies that if an error is generated by a + * command, that command has no effect. This is somewhat + * unfortunate for multi-bind commands, because it would require a + * first pass to scan the entire list of bound objects for errors + * and then a second pass to actually perform the bindings. + * Should we have different error semantics? + * + * RESOLVED: Yes. In this specification, when the parameters for + * one of the binding points are invalid, that binding point + * is not updated and an error will be generated. However, other + * binding points in the same command will be updated if their + * parameters are valid and no other error occurs." + */ + + _mesa_begin_bufferobj_lookups(ctx); + + for (i = 0; i < count; i++) { + struct gl_atomic_buffer_binding *binding = + &ctx->AtomicBufferBindings[first + i]; + struct gl_buffer_object *bufObj; + + if (binding->BufferObject && binding->BufferObject->Name == buffers[i]) + bufObj = binding->BufferObject; + else + bufObj = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, i, + "glBindBuffersBase"); + + if (bufObj) + set_atomic_buffer_binding(ctx, binding, bufObj, 0, 0); + } + + _mesa_end_bufferobj_lookups(ctx); +} + +static void +bind_atomic_buffers_range(struct gl_context *ctx, + GLuint first, + GLsizei count, + const GLuint *buffers, + const GLintptr *offsets, + const GLsizeiptr *sizes) +{ + GLuint i; + + if (!error_check_bind_atomic_buffers(ctx, first, count, + "glBindBuffersRange")) + return; + + /* Assume that at least one binding will be changed */ + FLUSH_VERTICES(ctx, 0); + ctx->NewDriverState |= ctx->DriverFlags.NewAtomicBuffer; + + if (!buffers) { + /* The ARB_multi_bind spec says: + * + * "If is NULL, all bindings from through + * +-1 are reset to their unbound (zero) state. + * In this case, the offsets and sizes associated with the + * binding points are set to default values, ignoring + * and ." + */ + unbind_atomic_buffers(ctx, first, count); + return; + } + + /* Note that the error semantics for multi-bind commands differ from + * those of other GL commands. + * + * The Issues section in the ARB_multi_bind spec says: + * + * "(11) Typically, OpenGL specifies that if an error is generated by a + * command, that command has no effect. This is somewhat + * unfortunate for multi-bind commands, because it would require a + * first pass to scan the entire list of bound objects for errors + * and then a second pass to actually perform the bindings. + * Should we have different error semantics? + * + * RESOLVED: Yes. In this specification, when the parameters for + * one of the binding points are invalid, that binding point + * is not updated and an error will be generated. However, other + * binding points in the same command will be updated if their + * parameters are valid and no other error occurs." + */ + + _mesa_begin_bufferobj_lookups(ctx); + + for (i = 0; i < count; i++) { + struct gl_atomic_buffer_binding *binding = + &ctx->AtomicBufferBindings[first + i]; + struct gl_buffer_object *bufObj; + + if (!bind_buffers_check_offset_and_size(ctx, i, offsets, sizes)) + continue; + + /* The ARB_multi_bind spec says: + * + * "An INVALID_VALUE error is generated by BindBuffersRange if any + * pair of values in and does not respectively + * satisfy the constraints described for those parameters for the + * specified target, as described in section 6.7.1 (per binding)." + * + * Section 6.7.1 refers to table 6.5, which says: + * + * "┌───────────────────────────────────────────────────────────────┐ + * │ Atomic counter array bindings (see sec. 7.7.2) │ + * ├───────────────────────┬───────────────────────────────────────┤ + * │ ... │ ... │ + * │ offset restriction │ multiple of 4 │ + * │ ... │ ... │ + * │ size restriction │ none │ + * └───────────────────────┴───────────────────────────────────────┘" + */ + if (offsets[i] & (ATOMIC_COUNTER_SIZE - 1)) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glBindBuffersRange(offsets[%u]=%" PRId64 + " is misaligned; it must be a multiple of %d when " + "target=GL_ATOMIC_COUNTER_BUFFER)", + i, (int64_t) offsets[i], ATOMIC_COUNTER_SIZE); + continue; + } + + if (binding->BufferObject && binding->BufferObject->Name == buffers[i]) + bufObj = binding->BufferObject; + else + bufObj = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, i, + "glBindBuffersRange"); + + if (bufObj) + set_atomic_buffer_binding(ctx, binding, bufObj, offsets[i], sizes[i]); + } + + _mesa_end_bufferobj_lookups(ctx); } void GLAPIENTRY @@ -2559,8 +3553,8 @@ _mesa_BindBufferRange(GLenum target, GLuint index, bind_buffer_range_uniform_buffer(ctx, index, bufObj, offset, size); return; case GL_ATOMIC_COUNTER_BUFFER: - set_atomic_buffer_binding(ctx, index, bufObj, offset, size, - "glBindBufferRange"); + bind_atomic_buffer(ctx, index, bufObj, offset, size, + "glBindBufferRange"); return; default: _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferRange(target)"); @@ -2623,8 +3617,8 @@ _mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer) bind_buffer_base_uniform_buffer(ctx, index, bufObj); return; case GL_ATOMIC_COUNTER_BUFFER: - set_atomic_buffer_binding(ctx, index, bufObj, 0, 0, - "glBindBufferBase"); + bind_atomic_buffer(ctx, index, bufObj, 0, 0, + "glBindBufferBase"); return; default: _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferBase(target)"); @@ -2632,6 +3626,54 @@ _mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer) } } +void GLAPIENTRY +_mesa_BindBuffersRange(GLenum target, GLuint first, GLsizei count, + const GLuint *buffers, + const GLintptr *offsets, const GLsizeiptr *sizes) +{ + GET_CURRENT_CONTEXT(ctx); + + switch (target) { + case GL_TRANSFORM_FEEDBACK_BUFFER: + bind_xfb_buffers_range(ctx, first, count, buffers, offsets, sizes); + return; + case GL_UNIFORM_BUFFER: + bind_uniform_buffers_range(ctx, first, count, buffers, offsets, sizes); + return; + case GL_ATOMIC_COUNTER_BUFFER: + bind_atomic_buffers_range(ctx, first, count, buffers, + offsets, sizes); + return; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glBindBuffersRange(target=%s)", + _mesa_lookup_enum_by_nr(target)); + break; + } +} + +void GLAPIENTRY +_mesa_BindBuffersBase(GLenum target, GLuint first, GLsizei count, + const GLuint *buffers) +{ + GET_CURRENT_CONTEXT(ctx); + + switch (target) { + case GL_TRANSFORM_FEEDBACK_BUFFER: + bind_xfb_buffers_base(ctx, first, count, buffers); + return; + case GL_UNIFORM_BUFFER: + bind_uniform_buffers_base(ctx, first, count, buffers); + return; + case GL_ATOMIC_COUNTER_BUFFER: + bind_atomic_buffers_base(ctx, first, count, buffers); + return; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glBindBuffersBase(target=%s)", + _mesa_lookup_enum_by_nr(target)); + break; + } +} + void GLAPIENTRY _mesa_InvalidateBufferSubData(GLuint buffer, GLintptr offset, GLsizeiptr length) @@ -2660,13 +3702,15 @@ _mesa_InvalidateBufferSubData(GLuint buffer, GLintptr offset, return; } - /* The GL_ARB_invalidate_subdata spec says: + /* The OpenGL 4.4 (Core Profile) spec says: * - * "An INVALID_OPERATION error is generated if the buffer is currently - * mapped by MapBuffer, or if the invalidate range intersects the range - * currently mapped by MapBufferRange." + * "An INVALID_OPERATION error is generated if buffer is currently + * mapped by MapBuffer or if the invalidate range intersects the range + * currently mapped by MapBufferRange, unless it was mapped + * with MAP_PERSISTENT_BIT set in the MapBufferRange access flags." */ - if (bufferobj_range_mapped(bufObj, offset, length)) { + if (!(bufObj->Mappings[MAP_USER].AccessFlags & GL_MAP_PERSISTENT_BIT) && + bufferobj_range_mapped(bufObj, offset, length)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glInvalidateBufferSubData(intersection with mapped " "range)"); @@ -2693,13 +3737,14 @@ _mesa_InvalidateBufferData(GLuint buffer) return; } - /* The GL_ARB_invalidate_subdata spec says: + /* The OpenGL 4.4 (Core Profile) spec says: * - * "An INVALID_OPERATION error is generated if the buffer is currently - * mapped by MapBuffer, or if the invalidate range intersects the range - * currently mapped by MapBufferRange." + * "An INVALID_OPERATION error is generated if buffer is currently + * mapped by MapBuffer or if the invalidate range intersects the range + * currently mapped by MapBufferRange, unless it was mapped + * with MAP_PERSISTENT_BIT set in the MapBufferRange access flags." */ - if (_mesa_bufferobj_mapped(bufObj)) { + if (_mesa_check_disallowed_mapping(bufObj)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glInvalidateBufferData(intersection with mapped " "range)");