#include "context.h"
#include "texobj.h"
#include "teximage.h"
+#include "enums.h"
/*
* Define endian-invariant aliases for some mesa formats that are
*/
#ifdef MESA_BIG_ENDIAN
# define MESA_FORMAT_RGBA_8 MESA_FORMAT_A8B8G8R8_UNORM
-# define MESA_FORMAT_RG_16 MESA_FORMAT_RG1616
-# define MESA_FORMAT_RG_8 MESA_FORMAT_RG88
-# define MESA_FORMAT_SIGNED_RGBA_8 MESA_FORMAT_SIGNED_RGBA8888
-# define MESA_FORMAT_SIGNED_RG_16 MESA_FORMAT_SIGNED_RG1616
-# define MESA_FORMAT_SIGNED_RG_8 MESA_FORMAT_SIGNED_RG88
+# define MESA_FORMAT_RG_16 MESA_FORMAT_G16R16_UNORM
+# define MESA_FORMAT_RG_8 MESA_FORMAT_G8R8_UNORM
+# define MESA_FORMAT_SIGNED_RGBA_8 MESA_FORMAT_A8B8G8R8_SNORM
+# define MESA_FORMAT_SIGNED_RG_16 MESA_FORMAT_G16R16_SNORM
+# define MESA_FORMAT_SIGNED_RG_8 MESA_FORMAT_G8R8_SNORM
#else
# define MESA_FORMAT_RGBA_8 MESA_FORMAT_R8G8B8A8_UNORM
-# define MESA_FORMAT_RG_16 MESA_FORMAT_GR1616
-# define MESA_FORMAT_RG_8 MESA_FORMAT_GR88
-# define MESA_FORMAT_SIGNED_RGBA_8 MESA_FORMAT_SIGNED_RGBA8888_REV
-# define MESA_FORMAT_SIGNED_RG_16 MESA_FORMAT_SIGNED_GR1616
-# define MESA_FORMAT_SIGNED_RG_8 MESA_FORMAT_SIGNED_RG88_REV
+# define MESA_FORMAT_RG_16 MESA_FORMAT_R16G16_UNORM
+# define MESA_FORMAT_RG_8 MESA_FORMAT_R8G8_UNORM
+# define MESA_FORMAT_SIGNED_RGBA_8 MESA_FORMAT_R8G8B8A8_SNORM
+# define MESA_FORMAT_SIGNED_RG_16 MESA_FORMAT_R16G16_SNORM
+# define MESA_FORMAT_SIGNED_RG_8 MESA_FORMAT_R8G8_SNORM
#endif
-static mesa_format
-get_image_format(GLenum format)
+mesa_format
+_mesa_get_shader_image_format(GLenum format)
{
switch (format) {
case GL_RGBA32F:
return MESA_FORMAT_RG_FLOAT16;
case GL_R11F_G11F_B10F:
- return MESA_FORMAT_R11_G11_B10_FLOAT;
+ return MESA_FORMAT_R11G11B10_FLOAT;
case GL_R32F:
return MESA_FORMAT_R_FLOAT32;
return MESA_FORMAT_RGBA_UINT16;
case GL_RGB10_A2UI:
- return MESA_FORMAT_ABGR2101010_UINT;
+ return MESA_FORMAT_R10G10B10A2_UINT;
case GL_RGBA8UI:
return MESA_FORMAT_RGBA_UINT8;
return MESA_FORMAT_R_UINT8;
case GL_RGBA32I:
- return MESA_FORMAT_RGBA_INT32;
+ return MESA_FORMAT_RGBA_SINT32;
case GL_RGBA16I:
- return MESA_FORMAT_RGBA_INT16;
+ return MESA_FORMAT_RGBA_SINT16;
case GL_RGBA8I:
- return MESA_FORMAT_RGBA_INT8;
+ return MESA_FORMAT_RGBA_SINT8;
case GL_RG32I:
- return MESA_FORMAT_RG_INT32;
+ return MESA_FORMAT_RG_SINT32;
case GL_RG16I:
- return MESA_FORMAT_RG_INT16;
+ return MESA_FORMAT_RG_SINT16;
case GL_RG8I:
- return MESA_FORMAT_RG_INT8;
+ return MESA_FORMAT_RG_SINT8;
case GL_R32I:
- return MESA_FORMAT_R_INT32;
+ return MESA_FORMAT_R_SINT32;
case GL_R16I:
- return MESA_FORMAT_R_INT16;
+ return MESA_FORMAT_R_SINT16;
case GL_R8I:
- return MESA_FORMAT_R_INT8;
+ return MESA_FORMAT_R_SINT8;
case GL_RGBA16:
- return MESA_FORMAT_RGBA_16;
+ return MESA_FORMAT_RGBA_UNORM16;
case GL_RGB10_A2:
- return MESA_FORMAT_ABGR2101010;
+ return MESA_FORMAT_R10G10B10A2_UNORM;
case GL_RGBA8:
return MESA_FORMAT_RGBA_8;
return MESA_FORMAT_RG_8;
case GL_R16:
- return MESA_FORMAT_R16;
+ return MESA_FORMAT_R_UNORM16;
case GL_R8:
- return MESA_FORMAT_R8;
+ return MESA_FORMAT_R_UNORM8;
case GL_RGBA16_SNORM:
- return MESA_FORMAT_SIGNED_RGBA_16;
+ return MESA_FORMAT_RGBA_SNORM16;
case GL_RGBA8_SNORM:
return MESA_FORMAT_SIGNED_RGBA_8;
return MESA_FORMAT_SIGNED_RG_8;
case GL_R16_SNORM:
- return MESA_FORMAT_SIGNED_R16;
+ return MESA_FORMAT_R_SNORM16;
case GL_R8_SNORM:
- return MESA_FORMAT_SIGNED_R8;
+ return MESA_FORMAT_R_SNORM8;
default:
return MESA_FORMAT_NONE;
case MESA_FORMAT_RG_FLOAT16:
return IMAGE_FORMAT_CLASS_2X16;
- case MESA_FORMAT_R11_G11_B10_FLOAT:
+ case MESA_FORMAT_R11G11B10_FLOAT:
return IMAGE_FORMAT_CLASS_10_11_11;
case MESA_FORMAT_R_FLOAT32:
case MESA_FORMAT_RGBA_UINT16:
return IMAGE_FORMAT_CLASS_4X16;
- case MESA_FORMAT_ABGR2101010_UINT:
+ case MESA_FORMAT_R10G10B10A2_UINT:
return IMAGE_FORMAT_CLASS_2_10_10_10;
case MESA_FORMAT_RGBA_UINT8:
case MESA_FORMAT_R_UINT8:
return IMAGE_FORMAT_CLASS_1X8;
- case MESA_FORMAT_RGBA_INT32:
+ case MESA_FORMAT_RGBA_SINT32:
return IMAGE_FORMAT_CLASS_4X32;
- case MESA_FORMAT_RGBA_INT16:
+ case MESA_FORMAT_RGBA_SINT16:
return IMAGE_FORMAT_CLASS_4X16;
- case MESA_FORMAT_RGBA_INT8:
+ case MESA_FORMAT_RGBA_SINT8:
return IMAGE_FORMAT_CLASS_4X8;
- case MESA_FORMAT_RG_INT32:
+ case MESA_FORMAT_RG_SINT32:
return IMAGE_FORMAT_CLASS_2X32;
- case MESA_FORMAT_RG_INT16:
+ case MESA_FORMAT_RG_SINT16:
return IMAGE_FORMAT_CLASS_2X16;
- case MESA_FORMAT_RG_INT8:
+ case MESA_FORMAT_RG_SINT8:
return IMAGE_FORMAT_CLASS_2X8;
- case MESA_FORMAT_R_INT32:
+ case MESA_FORMAT_R_SINT32:
return IMAGE_FORMAT_CLASS_1X32;
- case MESA_FORMAT_R_INT16:
+ case MESA_FORMAT_R_SINT16:
return IMAGE_FORMAT_CLASS_1X16;
- case MESA_FORMAT_R_INT8:
+ case MESA_FORMAT_R_SINT8:
return IMAGE_FORMAT_CLASS_1X8;
- case MESA_FORMAT_RGBA_16:
+ case MESA_FORMAT_RGBA_UNORM16:
return IMAGE_FORMAT_CLASS_4X16;
- case MESA_FORMAT_ABGR2101010:
+ case MESA_FORMAT_R10G10B10A2_UNORM:
return IMAGE_FORMAT_CLASS_2_10_10_10;
case MESA_FORMAT_RGBA_8:
case MESA_FORMAT_RG_8:
return IMAGE_FORMAT_CLASS_2X8;
- case MESA_FORMAT_R16:
+ case MESA_FORMAT_R_UNORM16:
return IMAGE_FORMAT_CLASS_1X16;
- case MESA_FORMAT_R8:
+ case MESA_FORMAT_R_UNORM8:
return IMAGE_FORMAT_CLASS_1X8;
- case MESA_FORMAT_SIGNED_RGBA_16:
+ case MESA_FORMAT_RGBA_SNORM16:
return IMAGE_FORMAT_CLASS_4X16;
case MESA_FORMAT_SIGNED_RGBA_8:
case MESA_FORMAT_SIGNED_RG_8:
return IMAGE_FORMAT_CLASS_2X8;
- case MESA_FORMAT_SIGNED_R16:
+ case MESA_FORMAT_R_SNORM16:
return IMAGE_FORMAT_CLASS_1X16;
- case MESA_FORMAT_SIGNED_R8:
+ case MESA_FORMAT_R_SNORM8:
return IMAGE_FORMAT_CLASS_1X8;
default:
}
}
-static GLboolean
-validate_image_unit(struct gl_context *ctx, struct gl_image_unit *u)
+/**
+ * Return whether an image format should be supported based on the current API
+ * version of the context.
+ */
+static bool
+is_image_format_supported(const struct gl_context *ctx, GLenum format)
+{
+ switch (format) {
+ /* Formats supported on both desktop and ES GL, c.f. table 8.27 of the
+ * OpenGL ES 3.1 specification.
+ */
+ case GL_RGBA32F:
+ case GL_RGBA16F:
+ case GL_R32F:
+ case GL_RGBA32UI:
+ case GL_RGBA16UI:
+ case GL_RGBA8UI:
+ case GL_R32UI:
+ case GL_RGBA32I:
+ case GL_RGBA16I:
+ case GL_RGBA8I:
+ case GL_R32I:
+ case GL_RGBA8:
+ case GL_RGBA8_SNORM:
+ return true;
+
+ /* Formats supported on unextended desktop GL and the original
+ * ARB_shader_image_load_store extension, c.f. table 3.21 of the OpenGL 4.2
+ * specification.
+ */
+ case GL_RG32F:
+ case GL_RG16F:
+ case GL_R11F_G11F_B10F:
+ case GL_R16F:
+ case GL_RGB10_A2UI:
+ case GL_RG32UI:
+ case GL_RG16UI:
+ case GL_RG8UI:
+ case GL_R16UI:
+ case GL_R8UI:
+ case GL_RG32I:
+ case GL_RG16I:
+ case GL_RG8I:
+ case GL_R16I:
+ case GL_R8I:
+ case GL_RGBA16:
+ case GL_RGB10_A2:
+ case GL_RG16:
+ case GL_RG8:
+ case GL_R16:
+ case GL_R8:
+ case GL_RGBA16_SNORM:
+ case GL_RG16_SNORM:
+ case GL_RG8_SNORM:
+ case GL_R16_SNORM:
+ case GL_R8_SNORM:
+ return _mesa_is_desktop_gl(ctx);
+
+ default:
+ return false;
+ }
+}
+
+struct gl_image_unit
+_mesa_default_image_unit(struct gl_context *ctx)
+{
+ const GLenum format = _mesa_is_desktop_gl(ctx) ? GL_R8 : GL_R32UI;
+ const struct gl_image_unit u = {
+ .Access = GL_READ_ONLY,
+ .Format = format,
+ ._ActualFormat = _mesa_get_shader_image_format(format)
+ };
+ return u;
+}
+
+void
+_mesa_init_image_units(struct gl_context *ctx)
+{
+ unsigned i;
+
+ for (i = 0; i < ARRAY_SIZE(ctx->ImageUnits); ++i)
+ ctx->ImageUnits[i] = _mesa_default_image_unit(ctx);
+}
+
+GLboolean
+_mesa_is_image_unit_valid(struct gl_context *ctx, struct gl_image_unit *u)
{
struct gl_texture_object *t = u->TexObj;
- struct gl_texture_image *img;
+ mesa_format tex_format;
- if (!t || u->Level < t->BaseLevel ||
- u->Level > t->_MaxLevel)
+ if (!t)
return GL_FALSE;
- _mesa_test_texobj_completeness(ctx, t);
+ if (!t->_BaseComplete && !t->_MipmapComplete)
+ _mesa_test_texobj_completeness(ctx, t);
- if ((u->Level == t->BaseLevel && !t->_BaseComplete) ||
+ if (u->Level < t->BaseLevel ||
+ u->Level > t->_MaxLevel ||
+ (u->Level == t->BaseLevel && !t->_BaseComplete) ||
(u->Level != t->BaseLevel && !t->_MipmapComplete))
return GL_FALSE;
if (_mesa_tex_target_is_layered(t->Target) &&
- u->Layer >= _mesa_get_texture_layers(t, u->Level))
+ u->_Layer >= _mesa_get_texture_layers(t, u->Level))
return GL_FALSE;
- if (t->Target == GL_TEXTURE_CUBE_MAP)
- img = t->Image[u->Layer][u->Level];
- else
- img = t->Image[0][u->Level];
+ if (t->Target == GL_TEXTURE_BUFFER) {
+ tex_format = _mesa_get_shader_image_format(t->BufferObjectFormat);
+
+ } else {
+ struct gl_texture_image *img = (t->Target == GL_TEXTURE_CUBE_MAP ?
+ t->Image[u->_Layer][u->Level] :
+ t->Image[0][u->Level]);
+
+ if (!img || img->Border || img->NumSamples > ctx->Const.MaxImageSamples)
+ return GL_FALSE;
+
+ tex_format = _mesa_get_shader_image_format(img->InternalFormat);
+ }
- if (!img || img->Border ||
- get_image_format_class(img->TexFormat) == IMAGE_FORMAT_CLASS_NONE ||
- img->NumSamples > ctx->Const.MaxImageSamples)
+ if (!tex_format)
return GL_FALSE;
switch (t->ImageFormatCompatibilityType) {
case GL_IMAGE_FORMAT_COMPATIBILITY_BY_SIZE:
- if (_mesa_get_format_bytes(img->TexFormat) !=
+ if (_mesa_get_format_bytes(tex_format) !=
_mesa_get_format_bytes(u->_ActualFormat))
return GL_FALSE;
break;
case GL_IMAGE_FORMAT_COMPATIBILITY_BY_CLASS:
- if (get_image_format_class(img->TexFormat) !=
+ if (get_image_format_class(tex_format) !=
get_image_format_class(u->_ActualFormat))
return GL_FALSE;
break;
return GL_TRUE;
}
-void
-_mesa_validate_image_units(struct gl_context *ctx)
-{
- int i;
-
- for (i = 0; i < ctx->Const.MaxImageUnits; ++i) {
- struct gl_image_unit *u = &ctx->ImageUnits[i];
- u->_Valid = validate_image_unit(ctx, u);
- }
-}
-
static GLboolean
validate_bind_image_texture(struct gl_context *ctx, GLuint unit,
GLuint texture, GLint level, GLboolean layered,
return GL_FALSE;
}
- if (!get_image_format(format)) {
+ if (!is_image_format_supported(ctx, format)) {
_mesa_error(ctx, GL_INVALID_VALUE, "glBindImageTexture(format)");
return GL_FALSE;
}
GLenum format)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_object *t = NULL;
struct gl_image_unit *u;
if (!validate_bind_image_texture(ctx, unit, texture, level,
ctx->NewDriverState |= ctx->DriverFlags.NewImageUnits;
if (texture) {
- t = _mesa_lookup_texture(ctx, texture);
+ struct gl_texture_object *t = _mesa_lookup_texture(ctx, texture);
+
if (!t) {
_mesa_error(ctx, GL_INVALID_VALUE, "glBindImageTexture(texture)");
return;
}
- _mesa_reference_texobj(&u->TexObj, t);
- u->Level = level;
- u->Access = access;
- u->Format = format;
- u->_ActualFormat = get_image_format(format);
-
- if (_mesa_tex_target_is_layered(t->Target)) {
- u->Layered = layered;
- u->Layer = (layered ? 0 : layer);
- } else {
- u->Layered = GL_FALSE;
- u->Layer = 0;
+ /* From section 8.22 "Texture Image Loads and Stores" of the OpenGL ES
+ * 3.1 spec:
+ *
+ * "An INVALID_OPERATION error is generated if texture is not the name
+ * of an immutable texture object."
+ */
+ if (_mesa_is_gles(ctx) && !t->Immutable) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBindImageTexture(!immutable)");
+ return;
}
+ _mesa_reference_texobj(&u->TexObj, t);
} else {
_mesa_reference_texobj(&u->TexObj, NULL);
}
- u->_Valid = validate_image_unit(ctx, u);
+ u->Level = level;
+ u->Access = access;
+ u->Format = format;
+ u->_ActualFormat = _mesa_get_shader_image_format(format);
+
+ if (u->TexObj && _mesa_tex_target_is_layered(u->TexObj->Target)) {
+ u->Layered = layered;
+ u->Layer = layer;
+ u->_Layer = (u->Layered ? 0 : u->Layer);
+ } else {
+ u->Layered = GL_FALSE;
+ u->Layer = 0;
+ }
+}
+
+void GLAPIENTRY
+_mesa_BindImageTextures(GLuint first, GLsizei count, const GLuint *textures)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ int i;
+
+ if (!ctx->Extensions.ARB_shader_image_load_store) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBindImageTextures()");
+ return;
+ }
+
+ if (first + count > ctx->Const.MaxImageUnits) {
+ /* The ARB_multi_bind spec says:
+ *
+ * "An INVALID_OPERATION error is generated if <first> + <count>
+ * is greater than the number of image units supported by
+ * the implementation."
+ */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBindImageTextures(first=%u + count=%d > the value of "
+ "GL_MAX_IMAGE_UNITS=%u)",
+ first, count, ctx->Const.MaxImageUnits);
+ return;
+ }
+
+ /* Assume that at least one binding will be changed */
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewImageUnits;
+
+ /* 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_texture_lookups(ctx);
+
+ for (i = 0; i < count; i++) {
+ struct gl_image_unit *u = &ctx->ImageUnits[first + i];
+ const GLuint texture = textures ? textures[i] : 0;
+
+ if (texture != 0) {
+ struct gl_texture_object *texObj;
+ GLenum tex_format;
+
+ if (!u->TexObj || u->TexObj->Name != texture) {
+ texObj = _mesa_lookup_texture_locked(ctx, texture);
+ if (!texObj) {
+ /* The ARB_multi_bind spec says:
+ *
+ * "An INVALID_OPERATION error is generated if any value
+ * in <textures> is not zero or the name of an existing
+ * texture object (per binding)."
+ */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBindImageTextures(textures[%d]=%u "
+ "is not zero or the name of an existing texture "
+ "object)", i, texture);
+ continue;
+ }
+ } else {
+ texObj = u->TexObj;
+ }
+
+ if (texObj->Target == GL_TEXTURE_BUFFER) {
+ tex_format = texObj->BufferObjectFormat;
+ } else {
+ struct gl_texture_image *image = texObj->Image[0][0];
+
+ if (!image || image->Width == 0 || image->Height == 0 ||
+ image->Depth == 0) {
+ /* The ARB_multi_bind spec says:
+ *
+ * "An INVALID_OPERATION error is generated if the width,
+ * height, or depth of the level zero texture image of
+ * any texture in <textures> is zero (per binding)."
+ */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBindImageTextures(the width, height or depth "
+ "of the level zero texture image of "
+ "textures[%d]=%u is zero)", i, texture);
+ continue;
+ }
+
+ tex_format = image->InternalFormat;
+ }
+
+ if (!is_image_format_supported(ctx, tex_format)) {
+ /* The ARB_multi_bind spec says:
+ *
+ * "An INVALID_OPERATION error is generated if the internal
+ * format of the level zero texture image of any texture
+ * in <textures> is not found in table 8.33 (per binding)."
+ */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBindImageTextures(the internal format %s of "
+ "the level zero texture image of textures[%d]=%u "
+ "is not supported)",
+ _mesa_enum_to_string(tex_format),
+ i, texture);
+ continue;
+ }
+
+ /* Update the texture binding */
+ _mesa_reference_texobj(&u->TexObj, texObj);
+ u->Level = 0;
+ u->Layered = _mesa_tex_target_is_layered(texObj->Target);
+ u->_Layer = u->Layer = 0;
+ u->Access = GL_READ_WRITE;
+ u->Format = tex_format;
+ u->_ActualFormat = _mesa_get_shader_image_format(tex_format);
+ } else {
+ /* Unbind the texture from the unit */
+ _mesa_reference_texobj(&u->TexObj, NULL);
+ u->Level = 0;
+ u->Layered = GL_FALSE;
+ u->_Layer = u->Layer = 0;
+ u->Access = GL_READ_ONLY;
+ u->Format = GL_R8;
+ u->_ActualFormat = MESA_FORMAT_R_UNORM8;
+ }
+ }
- if (ctx->Driver.BindImageTexture)
- ctx->Driver.BindImageTexture(ctx, u, t, level, layered,
- layer, access, format);
+ _mesa_end_texture_lookups(ctx);
}
void GLAPIENTRY
if (ctx->Driver.MemoryBarrier)
ctx->Driver.MemoryBarrier(ctx, barriers);
}
+
+void GLAPIENTRY
+_mesa_MemoryBarrierByRegion(GLbitfield barriers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ GLbitfield all_allowed_bits = GL_ATOMIC_COUNTER_BARRIER_BIT |
+ GL_FRAMEBUFFER_BARRIER_BIT |
+ GL_SHADER_IMAGE_ACCESS_BARRIER_BIT |
+ GL_SHADER_STORAGE_BARRIER_BIT |
+ GL_TEXTURE_FETCH_BARRIER_BIT |
+ GL_UNIFORM_BARRIER_BIT;
+
+ if (ctx->Driver.MemoryBarrier) {
+ /* From section 7.11.2 of the OpenGL ES 3.1 specification:
+ *
+ * "When barriers is ALL_BARRIER_BITS, shader memory accesses will be
+ * synchronized relative to all these barrier bits, but not to other
+ * barrier bits specific to MemoryBarrier."
+ *
+ * That is, if barriers is the special value GL_ALL_BARRIER_BITS, then all
+ * barriers allowed by glMemoryBarrierByRegion should be activated."
+ */
+ if (barriers == GL_ALL_BARRIER_BITS) {
+ ctx->Driver.MemoryBarrier(ctx, all_allowed_bits);
+ return;
+ }
+
+ /* From section 7.11.2 of the OpenGL ES 3.1 specification:
+ *
+ * "An INVALID_VALUE error is generated if barriers is not the special
+ * value ALL_BARRIER_BITS, and has any bits set other than those
+ * described above."
+ */
+ if ((barriers & ~all_allowed_bits) != 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glMemoryBarrierByRegion(unsupported barrier bit");
+ }
+
+ ctx->Driver.MemoryBarrier(ctx, barriers);
+ }
+}
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