return &ctx->UniformBuffer;
}
break;
+ case GL_SHADER_STORAGE_BUFFER:
+ if (ctx->Extensions.ARB_shader_storage_buffer_object) {
+ return &ctx->ShaderStorageBuffer;
+ }
+ break;
case GL_ATOMIC_COUNTER_BUFFER:
if (ctx->Extensions.ARB_shader_atomic_counters) {
return &ctx->AtomicBuffer;
* Called via glFlushMappedBufferRange().
*/
static void
-_mesa_buffer_flush_mapped_range( struct gl_context *ctx,
- GLintptr offset, GLsizeiptr length,
- struct gl_buffer_object *obj,
- gl_map_buffer_index index)
+flush_mapped_buffer_range_fallback(struct gl_context *ctx,
+ GLintptr offset, GLsizeiptr length,
+ struct gl_buffer_object *obj,
+ gl_map_buffer_index index)
{
(void) ctx;
(void) offset;
_mesa_reference_buffer_object(ctx, &ctx->UniformBuffer,
ctx->Shared->NullBufferObj);
+ _mesa_reference_buffer_object(ctx, &ctx->ShaderStorageBuffer,
+ ctx->Shared->NullBufferObj);
+
_mesa_reference_buffer_object(ctx, &ctx->AtomicBuffer,
ctx->Shared->NullBufferObj);
ctx->UniformBufferBindings[i].Size = -1;
}
+ for (i = 0; i < MAX_COMBINED_SHADER_STORAGE_BUFFERS; i++) {
+ _mesa_reference_buffer_object(ctx,
+ &ctx->ShaderStorageBufferBindings[i].BufferObject,
+ ctx->Shared->NullBufferObj);
+ ctx->ShaderStorageBufferBindings[i].Offset = -1;
+ ctx->ShaderStorageBufferBindings[i].Size = -1;
+ }
+
for (i = 0; i < MAX_COMBINED_ATOMIC_BUFFERS; i++) {
_mesa_reference_buffer_object(ctx,
&ctx->AtomicBufferBindings[i].BufferObject,
_mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, NULL);
+ _mesa_reference_buffer_object(ctx, &ctx->ShaderStorageBuffer, NULL);
+
_mesa_reference_buffer_object(ctx, &ctx->AtomicBuffer, NULL);
_mesa_reference_buffer_object(ctx, &ctx->DrawIndirectBuffer, NULL);
NULL);
}
+ for (i = 0; i < MAX_COMBINED_SHADER_STORAGE_BUFFERS; i++) {
+ _mesa_reference_buffer_object(ctx,
+ &ctx->ShaderStorageBufferBindings[i].BufferObject,
+ NULL);
+ }
+
for (i = 0; i < MAX_COMBINED_ATOMIC_BUFFERS; i++) {
_mesa_reference_buffer_object(ctx,
&ctx->AtomicBufferBindings[i].BufferObject,
/**
* A convenience function for direct state access functions that throws
- * GL_INVALID_OPERATION if buffer is not the name of a buffer object in the
- * hash table.
+ * GL_INVALID_OPERATION if buffer is not the name of an existing
+ * buffer object.
*/
struct gl_buffer_object *
_mesa_lookup_bufferobj_err(struct gl_context *ctx, GLuint buffer,
struct gl_buffer_object *bufObj;
bufObj = _mesa_lookup_bufferobj(ctx, buffer);
- if (!bufObj)
+ if (!bufObj || bufObj == &DummyBufferObject) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "%s(non-generated buffer name %u)", caller, buffer);
+ "%s(non-existent buffer object %u)", caller, buffer);
+ return NULL;
+ }
return bufObj;
}
/* GL_ARB_map_buffer_range */
driver->MapBufferRange = map_buffer_range_fallback;
- driver->FlushMappedBufferRange = _mesa_buffer_flush_mapped_range;
+ driver->FlushMappedBufferRange = flush_mapped_buffer_range_fallback;
/* GL_ARB_copy_buffer */
driver->CopyBufferSubData = copy_buffer_sub_data_fallback;
_mesa_BindBuffer( GL_UNIFORM_BUFFER, 0 );
}
+ /* unbind SSBO binding points */
+ for (j = 0; j < ctx->Const.MaxShaderStorageBufferBindings; j++) {
+ if (ctx->ShaderStorageBufferBindings[j].BufferObject == bufObj) {
+ _mesa_BindBufferBase(GL_SHADER_STORAGE_BUFFER, j, 0);
+ }
+ }
+
+ if (ctx->ShaderStorageBuffer == bufObj) {
+ _mesa_BindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
+ }
+
/* unbind Atomci Buffer binding points */
for (j = 0; j < ctx->Const.MaxAtomicBufferBindings; j++) {
if (ctx->AtomicBufferBindings[j].BufferObject == bufObj) {
buf = ctx->Driver.NewBufferObject(ctx, buffers[i]);
if (!buf) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", func);
+ mtx_unlock(&ctx->Shared->Mutex);
return;
}
}
if (bufObj->Immutable &&
!(bufObj->StorageFlags & GL_DYNAMIC_STORAGE_BIT)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, func);
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", func);
return;
}
}
assert(ctx->Driver.GetBufferSubData);
- ctx->Driver.GetBufferSubData( ctx, offset, size, data, bufObj );
+ ctx->Driver.GetBufferSubData(ctx, offset, size, data, bufObj);
+}
+
+void GLAPIENTRY
+_mesa_GetNamedBufferSubData(GLuint buffer, GLintptr offset,
+ GLsizeiptr size, GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+ "glGetNamedBufferSubData");
+ if (!bufObj)
+ return;
+
+ if (!buffer_object_subdata_range_good(ctx, bufObj, offset, size, false,
+ "glGetNamedBufferSubData")) {
+ return;
+ }
+
+ assert(ctx->Driver.GetBufferSubData);
+ ctx->Driver.GetBufferSubData(ctx, offset, size, data, bufObj);
}
+
/**
* \param subdata true if caller is *SubData, false if *Data
*/
return _mesa_unmap_buffer(ctx, bufObj, "glUnmapNamedBuffer");
}
-void GLAPIENTRY
-_mesa_GetBufferParameteriv(GLenum target, GLenum pname, GLint *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_buffer_object *bufObj;
-
- bufObj = get_buffer(ctx, "glGetBufferParameterivARB", target,
- GL_INVALID_OPERATION);
- if (!bufObj)
- return;
+static bool
+get_buffer_parameter(struct gl_context *ctx,
+ struct gl_buffer_object *bufObj, GLenum pname,
+ GLint64 *params, const char *func)
+{
switch (pname) {
case GL_BUFFER_SIZE_ARB:
- *params = (GLint) bufObj->Size;
- return;
+ *params = bufObj->Size;
+ break;
case GL_BUFFER_USAGE_ARB:
*params = bufObj->Usage;
- return;
+ break;
case GL_BUFFER_ACCESS_ARB:
*params = simplified_access_mode(ctx,
bufObj->Mappings[MAP_USER].AccessFlags);
- return;
+ break;
case GL_BUFFER_MAPPED_ARB:
*params = _mesa_bufferobj_mapped(bufObj, MAP_USER);
- return;
+ break;
case GL_BUFFER_ACCESS_FLAGS:
if (!ctx->Extensions.ARB_map_buffer_range)
goto invalid_pname;
*params = bufObj->Mappings[MAP_USER].AccessFlags;
- return;
+ break;
case GL_BUFFER_MAP_OFFSET:
if (!ctx->Extensions.ARB_map_buffer_range)
goto invalid_pname;
- *params = (GLint) bufObj->Mappings[MAP_USER].Offset;
- return;
+ *params = bufObj->Mappings[MAP_USER].Offset;
+ break;
case GL_BUFFER_MAP_LENGTH:
if (!ctx->Extensions.ARB_map_buffer_range)
goto invalid_pname;
- *params = (GLint) bufObj->Mappings[MAP_USER].Length;
- return;
+ *params = bufObj->Mappings[MAP_USER].Length;
+ break;
case GL_BUFFER_IMMUTABLE_STORAGE:
if (!ctx->Extensions.ARB_buffer_storage)
goto invalid_pname;
*params = bufObj->Immutable;
- return;
+ break;
case GL_BUFFER_STORAGE_FLAGS:
if (!ctx->Extensions.ARB_buffer_storage)
goto invalid_pname;
*params = bufObj->StorageFlags;
- return;
+ break;
default:
- ; /* fall-through */
+ goto invalid_pname;
}
+ return true;
+
invalid_pname:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferParameterivARB(pname=%s)",
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid pname: %s)", func,
_mesa_lookup_enum_by_nr(pname));
+ return false;
}
+void GLAPIENTRY
+_mesa_GetBufferParameteriv(GLenum target, GLenum pname, GLint *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+ GLint64 parameter;
+
+ bufObj = get_buffer(ctx, "glGetBufferParameteriv", target,
+ GL_INVALID_OPERATION);
+ if (!bufObj)
+ return;
+
+ if (!get_buffer_parameter(ctx, bufObj, pname, ¶meter,
+ "glGetBufferParameteriv"))
+ return; /* Error already recorded. */
+
+ *params = (GLint) parameter;
+}
-/**
- * New in GL 3.2
- * This is pretty much a duplicate of GetBufferParameteriv() but the
- * GL_BUFFER_SIZE_ARB attribute will be 64-bits on a 64-bit system.
- */
void GLAPIENTRY
_mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
+ GLint64 parameter;
bufObj = get_buffer(ctx, "glGetBufferParameteri64v", target,
GL_INVALID_OPERATION);
if (!bufObj)
return;
- switch (pname) {
- case GL_BUFFER_SIZE_ARB:
- *params = bufObj->Size;
- return;
- case GL_BUFFER_USAGE_ARB:
- *params = bufObj->Usage;
- return;
- case GL_BUFFER_ACCESS_ARB:
- *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->Mappings[MAP_USER].AccessFlags;
- return;
- case GL_BUFFER_MAPPED_ARB:
- *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->Mappings[MAP_USER].Offset;
- return;
- case GL_BUFFER_MAP_LENGTH:
- if (!ctx->Extensions.ARB_map_buffer_range)
- goto invalid_pname;
- *params = bufObj->Mappings[MAP_USER].Length;
- return;
- case GL_BUFFER_IMMUTABLE_STORAGE:
- if (!ctx->Extensions.ARB_buffer_storage)
- goto invalid_pname;
- *params = bufObj->Immutable;
+ if (!get_buffer_parameter(ctx, bufObj, pname, ¶meter,
+ "glGetBufferParameteri64v"))
+ return; /* Error already recorded. */
+
+ *params = parameter;
+}
+
+void GLAPIENTRY
+_mesa_GetNamedBufferParameteriv(GLuint buffer, GLenum pname, GLint *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+ GLint64 parameter;
+
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+ "glGetNamedBufferParameteriv");
+ if (!bufObj)
return;
- case GL_BUFFER_STORAGE_FLAGS:
- if (!ctx->Extensions.ARB_buffer_storage)
- goto invalid_pname;
- *params = bufObj->StorageFlags;
+
+ if (!get_buffer_parameter(ctx, bufObj, pname, ¶meter,
+ "glGetNamedBufferParameteriv"))
+ return; /* Error already recorded. */
+
+ *params = (GLint) parameter;
+}
+
+void GLAPIENTRY
+_mesa_GetNamedBufferParameteri64v(GLuint buffer, GLenum pname,
+ GLint64 *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+ GLint64 parameter;
+
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+ "glGetNamedBufferParameteri64v");
+ if (!bufObj)
return;
- default:
- ; /* fall-through */
- }
-invalid_pname:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferParameteri64v(pname=%s)",
- _mesa_lookup_enum_by_nr(pname));
+ if (!get_buffer_parameter(ctx, bufObj, pname, ¶meter,
+ "glGetNamedBufferParameteri64v"))
+ return; /* Error already recorded. */
+
+ *params = parameter;
}
_mesa_GetBufferPointerv(GLenum target, GLenum pname, GLvoid **params)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_buffer_object * bufObj;
+ struct gl_buffer_object *bufObj;
- if (pname != GL_BUFFER_MAP_POINTER_ARB) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferPointervARB(pname)");
+ if (pname != GL_BUFFER_MAP_POINTER) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferPointerv(pname != "
+ "GL_BUFFER_MAP_POINTER)");
return;
}
- bufObj = get_buffer(ctx, "glGetBufferPointervARB", target,
+ bufObj = get_buffer(ctx, "glGetBufferPointerv", target,
GL_INVALID_OPERATION);
if (!bufObj)
return;
*params = bufObj->Mappings[MAP_USER].Pointer;
}
+void GLAPIENTRY
+_mesa_GetNamedBufferPointerv(GLuint buffer, GLenum pname, GLvoid **params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ if (pname != GL_BUFFER_MAP_POINTER) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetNamedBufferPointerv(pname != "
+ "GL_BUFFER_MAP_POINTER)");
+ return;
+ }
+
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+ "glGetNamedBufferPointerv");
+ if (!bufObj)
+ return;
+
+ *params = bufObj->Mappings[MAP_USER].Pointer;
+}
+
void
_mesa_copy_buffer_sub_data(struct gl_context *ctx,
}
-/**
- * See GL_ARB_map_buffer_range spec
- */
-void GLAPIENTRY
-_mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length)
+void
+_mesa_flush_mapped_buffer_range(struct gl_context *ctx,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr length,
+ const char *func)
{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_buffer_object *bufObj;
-
if (!ctx->Extensions.ARB_map_buffer_range) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glFlushMappedBufferRange(extension not supported)");
+ "%s(ARB_map_buffer_range not supported)", func);
return;
}
if (offset < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glFlushMappedBufferRange(offset = %ld)", (long)offset);
+ "%s(offset %ld < 0)", func, (long) offset);
return;
}
if (length < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glFlushMappedBufferRange(length = %ld)", (long)length);
+ "%s(length %ld < 0)", func, (long) length);
return;
}
- bufObj = get_buffer(ctx, "glFlushMappedBufferRange", target,
- GL_INVALID_OPERATION);
- if (!bufObj)
- return;
-
if (!_mesa_bufferobj_mapped(bufObj, MAP_USER)) {
/* buffer is not mapped */
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glFlushMappedBufferRange(buffer is not mapped)");
+ "%s(buffer is not mapped)", func);
return;
}
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)");
+ "%s(GL_MAP_FLUSH_EXPLICIT_BIT not set)", func);
return;
}
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->Mappings[MAP_USER].Length);
+ "%s(offset %ld + length %ld > mapped length %ld)", func,
+ (long) offset, (long) length,
+ (long) bufObj->Mappings[MAP_USER].Length);
return;
}
MAP_USER);
}
+void GLAPIENTRY
+_mesa_FlushMappedBufferRange(GLenum target, GLintptr offset,
+ GLsizeiptr length)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ bufObj = get_buffer(ctx, "glFlushMappedBufferRange", target,
+ GL_INVALID_OPERATION);
+ if (!bufObj)
+ return;
+
+ _mesa_flush_mapped_buffer_range(ctx, bufObj, offset, length,
+ "glFlushMappedBufferRange");
+}
+
+void GLAPIENTRY
+_mesa_FlushMappedNamedBufferRange(GLuint buffer, GLintptr offset,
+ GLsizeiptr length)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+ "glFlushMappedNamedBufferRange");
+ if (!bufObj)
+ return;
+
+ _mesa_flush_mapped_buffer_range(ctx, bufObj, offset, length,
+ "glFlushMappedNamedBufferRange");
+}
+
static GLenum
buffer_object_purgeable(struct gl_context *ctx, GLuint name, GLenum option)
bufObj->UsageHistory |= USAGE_UNIFORM_BUFFER;
}
+/**
+ * Binds a buffer object to a shader storage buffer binding point.
+ *
+ * The caller is responsible for flushing vertices and updating
+ * NewDriverState.
+ */
+static void
+set_ssbo_binding(struct gl_context *ctx,
+ struct gl_shader_storage_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 SSBO.
+ */
+ if (size >= 0)
+ bufObj->UsageHistory |= USAGE_SHADER_STORAGE_BUFFER;
+}
+
/**
* Binds a buffer object to a uniform buffer binding point.
*
return true;
}
+static bool
+error_check_bind_shader_storage_buffers(struct gl_context *ctx,
+ GLuint first, GLsizei count,
+ const char *caller)
+{
+ if (!ctx->Extensions.ARB_shader_storage_buffer_object) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%s(target=GL_SHADER_STORAGE_BUFFER)", caller);
+ return false;
+ }
+
+ /* The ARB_multi_bind_spec says:
+ *
+ * "An INVALID_OPERATION error is generated if <first> + <count> is
+ * greater than the number of target-specific indexed binding points,
+ * as described in section 6.7.1."
+ */
+ if (first + count > ctx->Const.MaxShaderStorageBufferBindings) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(first=%u + count=%d > the value of "
+ "GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS=%u)",
+ caller, first, count,
+ ctx->Const.MaxShaderStorageBufferBindings);
+ return false;
+ }
+
+ return true;
+}
+
/**
* Unbind all uniform buffers in the range
* <first> through <first>+<count>-1
bufObj, -1, -1, GL_TRUE);
}
+/**
+ * Unbind all shader storage buffers in the range
+ * <first> through <first>+<count>-1
+ */
+static void
+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++)
+ set_ssbo_binding(ctx, &ctx->ShaderStorageBufferBindings[first + i],
+ bufObj, -1, -1, GL_TRUE);
+}
+
static void
bind_uniform_buffers_base(struct gl_context *ctx, GLuint first, GLsizei count,
const GLuint *buffers)
_mesa_end_bufferobj_lookups(ctx);
}
+static void
+bind_shader_storage_buffers_base(struct gl_context *ctx, GLuint first,
+ GLsizei count, const GLuint *buffers)
+{
+ GLint i;
+
+ if (!error_check_bind_shader_storage_buffers(ctx, first, count,
+ "glBindBuffersBase"))
+ return;
+
+ /* Assume that at least one binding will be changed */
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewShaderStorageBuffer;
+
+ if (!buffers) {
+ /* The ARB_multi_bind spec says:
+ *
+ * "If <buffers> is NULL, all bindings from <first> through
+ * <first>+<count>-1 are reset to their unbound (zero) state."
+ */
+ unbind_shader_storage_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 <count> 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_shader_storage_buffer_binding *binding =
+ &ctx->ShaderStorageBufferBindings[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_ssbo_binding(ctx, binding, bufObj, -1, -1, GL_TRUE);
+ else
+ set_ssbo_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,
_mesa_end_bufferobj_lookups(ctx);
}
+static void
+bind_shader_storage_buffers_range(struct gl_context *ctx, GLuint first,
+ GLsizei count, const GLuint *buffers,
+ const GLintptr *offsets,
+ const GLsizeiptr *sizes)
+{
+ GLint i;
+
+ if (!error_check_bind_shader_storage_buffers(ctx, first, count,
+ "glBindBuffersRange"))
+ return;
+
+ /* Assume that at least one binding will be changed */
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewShaderStorageBuffer;
+
+ if (!buffers) {
+ /* The ARB_multi_bind spec says:
+ *
+ * "If <buffers> is NULL, all bindings from <first> through
+ * <first>+<count>-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
+ * <offsets> and <sizes>."
+ */
+ unbind_shader_storage_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 <count> 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_shader_storage_buffer_binding *binding =
+ &ctx->ShaderStorageBufferBindings[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 <offsets> and <sizes> 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:
+ *
+ * "┌───────────────────────────────────────────────────────────────┐
+ * │ Shader storage buffer array bindings (see sec. 7.8) │
+ * ├─────────────────────┬─────────────────────────────────────────┤
+ * │ ... │ ... │
+ * │ offset restriction │ multiple of value of SHADER_STORAGE_- │
+ * │ │ BUFFER_OFFSET_ALIGNMENT │
+ * │ ... │ ... │
+ * │ size restriction │ none │
+ * └─────────────────────┴─────────────────────────────────────────┘"
+ */
+ if (offsets[i] & (ctx->Const.ShaderStorageBufferOffsetAlignment - 1)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glBindBuffersRange(offsets[%u]=%" PRId64
+ " is misaligned; it must be a multiple of the value of "
+ "GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT=%u when "
+ "target=GL_SHADER_STORAGE_BUFFER)",
+ i, (int64_t) offsets[i],
+ ctx->Const.ShaderStorageBufferOffsetAlignment);
+ 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_ssbo_binding(ctx, binding, bufObj, -1, -1, GL_FALSE);
+ else
+ set_ssbo_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,
switch (target) {
case GL_TRANSFORM_FEEDBACK_BUFFER:
- _mesa_bind_buffer_range_transform_feedback(ctx, index, bufObj,
- offset, size);
+ _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);
switch (target) {
case GL_TRANSFORM_FEEDBACK_BUFFER:
- _mesa_bind_buffer_base_transform_feedback(ctx, index, bufObj);
+ _mesa_bind_buffer_base_transform_feedback(ctx,
+ ctx->TransformFeedback.CurrentObject,
+ index, bufObj, false);
return;
case GL_UNIFORM_BUFFER:
bind_buffer_base_uniform_buffer(ctx, index, bufObj);
case GL_UNIFORM_BUFFER:
bind_uniform_buffers_range(ctx, first, count, buffers, offsets, sizes);
return;
+ case GL_SHADER_STORAGE_BUFFER:
+ bind_shader_storage_buffers_range(ctx, first, count, buffers, offsets,
+ sizes);
+ return;
case GL_ATOMIC_COUNTER_BUFFER:
bind_atomic_buffers_range(ctx, first, count, buffers,
offsets, sizes);
case GL_UNIFORM_BUFFER:
bind_uniform_buffers_base(ctx, first, count, buffers);
return;
+ case GL_SHADER_STORAGE_BUFFER:
+ bind_shader_storage_buffers_base(ctx, first, count, buffers);
+ return;
case GL_ATOMIC_COUNTER_BUFFER:
bind_atomic_buffers_base(ctx, first, count, buffers);
return;
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