#include "main/glheader.h"
#include "main/context.h"
-#include "main/dispatch.h"
#include "main/enums.h"
#include "main/hash.h"
#include "main/macros.h"
#include "main/mtypes.h"
#include "main/samplerobj.h"
+#include "main/texturebindless.h"
struct gl_sampler_object *
_mesa_HashLookup(ctx->Shared->SamplerObjects, name);
}
-static struct gl_sampler_object *
-_mesa_lookup_samplerobj_locked(struct gl_context *ctx, GLuint name)
-{
- if (name == 0)
- return NULL;
- else
- return (struct gl_sampler_object *)
- _mesa_HashLookupLocked(ctx->Shared->SamplerObjects, name);
-}
-
-static inline void
-begin_samplerobj_lookups(struct gl_context *ctx)
-{
- _mesa_HashLockMutex(ctx->Shared->SamplerObjects);
-}
-
-
-static inline void
-end_samplerobj_lookups(struct gl_context *ctx)
-{
- _mesa_HashUnlockMutex(ctx->Shared->SamplerObjects);
-}
-
-
static inline struct gl_sampler_object *
lookup_samplerobj_locked(struct gl_context *ctx, GLuint name)
{
delete_sampler_object(struct gl_context *ctx,
struct gl_sampler_object *sampObj)
{
- mtx_destroy(&sampObj->Mutex);
+ _mesa_delete_sampler_handles(ctx, sampObj);
+ simple_mtx_destroy(&sampObj->Mutex);
free(sampObj->Label);
free(sampObj);
}
GLboolean deleteFlag = GL_FALSE;
struct gl_sampler_object *oldSamp = *ptr;
- mtx_lock(&oldSamp->Mutex);
+ simple_mtx_lock(&oldSamp->Mutex);
assert(oldSamp->RefCount > 0);
oldSamp->RefCount--;
deleteFlag = (oldSamp->RefCount == 0);
- mtx_unlock(&oldSamp->Mutex);
+ simple_mtx_unlock(&oldSamp->Mutex);
if (deleteFlag)
delete_sampler_object(ctx, oldSamp);
if (samp) {
/* reference new sampler */
- mtx_lock(&samp->Mutex);
- if (samp->RefCount == 0) {
- /* this sampler's being deleted (look just above) */
- /* Not sure this can every really happen. Warn if it does. */
- _mesa_problem(NULL, "referencing deleted sampler object");
- *ptr = NULL;
- }
- else {
- samp->RefCount++;
- *ptr = samp;
- }
- mtx_unlock(&samp->Mutex);
+ simple_mtx_lock(&samp->Mutex);
+ assert(samp->RefCount > 0);
+
+ samp->RefCount++;
+ *ptr = samp;
+ simple_mtx_unlock(&samp->Mutex);
}
}
static void
_mesa_init_sampler_object(struct gl_sampler_object *sampObj, GLuint name)
{
- mtx_init(&sampObj->Mutex, mtx_plain);
+ simple_mtx_init(&sampObj->Mutex, mtx_plain);
sampObj->Name = name;
sampObj->RefCount = 1;
sampObj->WrapS = GL_REPEAT;
sampObj->CompareFunc = GL_LEQUAL;
sampObj->sRGBDecode = GL_DECODE_EXT;
sampObj->CubeMapSeamless = GL_FALSE;
+ sampObj->HandleAllocated = GL_FALSE;
+
+ /* GL_ARB_bindless_texture */
+ _mesa_init_sampler_handles(sampObj);
}
/**
GLuint first;
GLint i;
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "%s(%d)\n", caller, count);
-
- if (count < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "%s(n<0)", caller);
- return;
- }
-
if (!samplers)
return;
/* Insert the ID and pointer to new sampler object into hash table */
for (i = 0; i < count; i++) {
- struct gl_sampler_object *sampObj =
- ctx->Driver.NewSamplerObject(ctx, first + i);
- _mesa_HashInsertLocked(ctx->Shared->SamplerObjects, first + i, sampObj);
- samplers[i] = first + i;
+ struct gl_sampler_object *sampObj;
+ GLuint name = first + i;
+
+ sampObj = ctx->Driver.NewSamplerObject(ctx, name);
+ if (!sampObj) {
+ _mesa_HashUnlockMutex(ctx->Shared->SamplerObjects);
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", caller);
+ return;
+ }
+
+ _mesa_HashInsertLocked(ctx->Shared->SamplerObjects, name, sampObj);
+ samplers[i] = name;
}
_mesa_HashUnlockMutex(ctx->Shared->SamplerObjects);
}
+static void
+create_samplers_err(struct gl_context *ctx, GLsizei count, GLuint *samplers,
+ const char *caller)
+{
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "%s(%d)\n", caller, count);
+
+ if (count < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(n<0)", caller);
+ return;
+ }
+
+ create_samplers(ctx, count, samplers, caller);
+}
+
void GLAPIENTRY
-_mesa_GenSamplers(GLsizei count, GLuint *samplers)
+_mesa_GenSamplers_no_error(GLsizei count, GLuint *samplers)
{
GET_CURRENT_CONTEXT(ctx);
create_samplers(ctx, count, samplers, "glGenSamplers");
}
void GLAPIENTRY
-_mesa_CreateSamplers(GLsizei count, GLuint *samplers)
+_mesa_GenSamplers(GLsizei count, GLuint *samplers)
{
GET_CURRENT_CONTEXT(ctx);
- create_samplers(ctx, count, samplers, "glCreateSamplers");
+ create_samplers_err(ctx, count, samplers, "glGenSamplers");
}
+void GLAPIENTRY
+_mesa_CreateSamplers_no_error(GLsizei count, GLuint *samplers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ create_samplers(ctx, count, samplers, "glCreateSamplers");
+}
void GLAPIENTRY
-_mesa_DeleteSamplers(GLsizei count, const GLuint *samplers)
+_mesa_CreateSamplers(GLsizei count, GLuint *samplers)
{
GET_CURRENT_CONTEXT(ctx);
- GLsizei i;
+ create_samplers_err(ctx, count, samplers, "glCreateSamplers");
+}
- FLUSH_VERTICES(ctx, 0);
- if (count < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glDeleteSamplers(count)");
- return;
- }
+static void
+delete_samplers(struct gl_context *ctx, GLsizei count, const GLuint *samplers)
+{
+ FLUSH_VERTICES(ctx, 0);
_mesa_HashLockMutex(ctx->Shared->SamplerObjects);
- for (i = 0; i < count; i++) {
+ for (GLsizei i = 0; i < count; i++) {
if (samplers[i]) {
GLuint j;
struct gl_sampler_object *sampObj =
- _mesa_lookup_samplerobj_locked(ctx, samplers[i]);
+ lookup_samplerobj_locked(ctx, samplers[i]);
if (sampObj) {
/* If the sampler is currently bound, unbind it. */
for (j = 0; j < ctx->Const.MaxCombinedTextureImageUnits; j++) {
if (ctx->Texture.Unit[j].Sampler == sampObj) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT);
_mesa_reference_sampler_object(ctx, &ctx->Texture.Unit[j].Sampler, NULL);
}
}
}
+void GLAPIENTRY
+_mesa_DeleteSamplers_no_error(GLsizei count, const GLuint *samplers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ delete_samplers(ctx, count, samplers);
+}
+
+
+void GLAPIENTRY
+_mesa_DeleteSamplers(GLsizei count, const GLuint *samplers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (count < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glDeleteSamplers(count)");
+ return;
+ }
+
+ delete_samplers(ctx, count, samplers);
+}
+
+
GLboolean GLAPIENTRY
_mesa_IsSampler(GLuint sampler)
{
- struct gl_sampler_object *sampObj;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
- if (sampler == 0)
- return GL_FALSE;
-
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
-
- return sampObj != NULL;
+ return _mesa_lookup_samplerobj(ctx, sampler) != NULL;
}
void
struct gl_sampler_object *sampObj)
{
if (ctx->Texture.Unit[unit].Sampler != sampObj) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT);
}
_mesa_reference_sampler_object(ctx, &ctx->Texture.Unit[unit].Sampler,
sampObj);
}
-void GLAPIENTRY
-_mesa_BindSampler(GLuint unit, GLuint sampler)
+static ALWAYS_INLINE void
+bind_sampler(struct gl_context *ctx, GLuint unit, GLuint sampler, bool no_error)
{
struct gl_sampler_object *sampObj;
- GET_CURRENT_CONTEXT(ctx);
-
- if (unit >= ctx->Const.MaxCombinedTextureImageUnits) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBindSampler(unit %u)", unit);
- return;
- }
if (sampler == 0) {
/* Use the default sampler object, the one contained in the texture
* object.
*/
sampObj = NULL;
- }
- else {
+ } else {
/* user-defined sampler object */
sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
+ if (!no_error && !sampObj) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glBindSampler(sampler)");
return;
}
_mesa_bind_sampler(ctx, unit, sampObj);
}
+void GLAPIENTRY
+_mesa_BindSampler_no_error(GLuint unit, GLuint sampler)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ bind_sampler(ctx, unit, sampler, true);
+}
void GLAPIENTRY
-_mesa_BindSamplers(GLuint first, GLsizei count, const GLuint *samplers)
+_mesa_BindSampler(GLuint unit, GLuint sampler)
{
GET_CURRENT_CONTEXT(ctx);
- GLint i;
- /* The ARB_multi_bind spec says:
- *
- * "An INVALID_OPERATION error is generated if <first> + <count> is
- * greater than the number of texture image units supported by
- * the implementation."
- */
- if (first + count > ctx->Const.MaxCombinedTextureImageUnits) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBindSamplers(first=%u + count=%d > the value of "
- "GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS=%u)",
- first, count, ctx->Const.MaxCombinedTextureImageUnits);
+ if (unit >= ctx->Const.MaxCombinedTextureImageUnits) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBindSampler(unit %u)", unit);
return;
}
+ bind_sampler(ctx, unit, sampler, false);
+}
+
+
+static ALWAYS_INLINE void
+bind_samplers(struct gl_context *ctx, GLuint first, GLsizei count,
+ const GLuint *samplers, bool no_error)
+{
+ GLsizei i;
+
FLUSH_VERTICES(ctx, 0);
if (samplers) {
* their parameters are valid and no other error occurs."
*/
- begin_samplerobj_lookups(ctx);
+ _mesa_HashLockMutex(ctx->Shared->SamplerObjects);
for (i = 0; i < count; i++) {
const GLuint unit = first + i;
* in <samplers> is not zero or the name of an existing
* sampler object (per binding)."
*/
- if (!sampObj) {
+ if (!no_error && !sampObj) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBindSamplers(samplers[%d]=%u is not zero or "
"the name of an existing sampler object)",
_mesa_reference_sampler_object(ctx,
&ctx->Texture.Unit[unit].Sampler,
sampObj);
- ctx->NewState |= _NEW_TEXTURE;
+ ctx->NewState |= _NEW_TEXTURE_OBJECT;
}
}
- end_samplerobj_lookups(ctx);
+ _mesa_HashUnlockMutex(ctx->Shared->SamplerObjects);
} else {
/* Unbind all samplers in the range <first> through <first>+<count>-1 */
for (i = 0; i < count; i++) {
_mesa_reference_sampler_object(ctx,
&ctx->Texture.Unit[unit].Sampler,
NULL);
- ctx->NewState |= _NEW_TEXTURE;
+ ctx->NewState |= _NEW_TEXTURE_OBJECT;
}
}
}
}
+void GLAPIENTRY
+_mesa_BindSamplers_no_error(GLuint first, GLsizei count, const GLuint *samplers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ bind_samplers(ctx, first, count, samplers, true);
+}
+
+
+void GLAPIENTRY
+_mesa_BindSamplers(GLuint first, GLsizei count, const GLuint *samplers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ /* The ARB_multi_bind spec says:
+ *
+ * "An INVALID_OPERATION error is generated if <first> + <count> is
+ * greater than the number of texture image units supported by
+ * the implementation."
+ */
+ if (first + count > ctx->Const.MaxCombinedTextureImageUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBindSamplers(first=%u + count=%d > the value of "
+ "GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS=%u)",
+ first, count, ctx->Const.MaxCombinedTextureImageUnits);
+ return;
+ }
+
+ bind_samplers(ctx, first, count, samplers, false);
+}
+
+
/**
* Check if a coordinate wrap mode is legal.
* \return GL_TRUE if legal, GL_FALSE otherwise
static inline void
flush(struct gl_context *ctx)
{
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT);
}
void
if (samp->sRGBDecode == param)
return GL_FALSE;
+ /* The EXT_texture_sRGB_decode spec says:
+ *
+ * "INVALID_ENUM is generated if the <pname> parameter of
+ * TexParameter[i,f,Ii,Iui][v][EXT],
+ * MultiTexParameter[i,f,Ii,Iui][v]EXT,
+ * TextureParameter[i,f,Ii,Iui][v]EXT, SamplerParameter[i,f,Ii,Iui][v]
+ * is TEXTURE_SRGB_DECODE_EXT when the <param> parameter is not one of
+ * DECODE_EXT or SKIP_DECODE_EXT.
+ *
+ * Returning INVALID_PARAM makes that happen.
+ */
if (param != GL_DECODE_EXT && param != GL_SKIP_DECODE_EXT)
- return INVALID_VALUE;
+ return INVALID_PARAM;
flush(ctx);
samp->sRGBDecode = param;
return GL_TRUE;
}
-void GLAPIENTRY
-_mesa_SamplerParameteri(GLuint sampler, GLenum pname, GLint param)
+static struct gl_sampler_object *
+sampler_parameter_error_check(struct gl_context *ctx, GLuint sampler,
+ bool get, const char *name)
{
struct gl_sampler_object *sampObj;
- GLuint res;
- GET_CURRENT_CONTEXT(ctx);
sampObj = _mesa_lookup_samplerobj(ctx, sampler);
if (!sampObj) {
- /* '3.8.2 Sampler Objects' section of the GL-ES 3.0 specification states:
+ /* OpenGL 4.5 spec, section "8.2 Sampler Objects", page 176 of the PDF
+ * states:
*
- * "An INVALID_OPERATION error is generated if sampler is not the name
- * of a sampler object previously returned from a call to GenSamplers."
+ * "An INVALID_OPERATION error is generated if sampler is not the name
+ * of a sampler object previously returned from a call to
+ * GenSamplers."
+ */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid sampler)", name);
+ return NULL;
+ }
+
+ if (!get && sampObj->HandleAllocated) {
+ /* The ARB_bindless_texture spec says:
*
- * In desktop GL, an GL_INVALID_VALUE is returned instead.
+ * "The error INVALID_OPERATION is generated by SamplerParameter* if
+ * <sampler> identifies a sampler object referenced by one or more
+ * texture handles."
*/
- _mesa_error(ctx, (_mesa_is_gles(ctx) ?
- GL_INVALID_OPERATION : GL_INVALID_VALUE),
- "glSamplerParameteri(sampler %u)", sampler);
- return;
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(immutable sampler)", name);
+ return NULL;
}
+ return sampObj;
+}
+
+void GLAPIENTRY
+_mesa_SamplerParameteri(GLuint sampler, GLenum pname, GLint param)
+{
+ struct gl_sampler_object *sampObj;
+ GLuint res;
+ GET_CURRENT_CONTEXT(ctx);
+
+ sampObj = sampler_parameter_error_check(ctx, sampler, false,
+ "glSamplerParameteri");
+ if (!sampObj)
+ return;
+
switch (pname) {
case GL_TEXTURE_WRAP_S:
res = set_sampler_wrap_s(ctx, sampObj, param);
GLuint res;
GET_CURRENT_CONTEXT(ctx);
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- /* '3.8.2 Sampler Objects' section of the GL-ES 3.0 specification states:
- *
- * "An INVALID_OPERATION error is generated if sampler is not the name
- * of a sampler object previously returned from a call to GenSamplers."
- *
- * In desktop GL, an GL_INVALID_VALUE is returned instead.
- */
- _mesa_error(ctx, (_mesa_is_gles(ctx) ?
- GL_INVALID_OPERATION : GL_INVALID_VALUE),
- "glSamplerParameterf(sampler %u)", sampler);
+ sampObj = sampler_parameter_error_check(ctx, sampler, false,
+ "glSamplerParameterf");
+ if (!sampObj)
return;
- }
switch (pname) {
case GL_TEXTURE_WRAP_S:
GLuint res;
GET_CURRENT_CONTEXT(ctx);
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- /* '3.8.2 Sampler Objects' section of the GL-ES 3.0 specification states:
- *
- * "An INVALID_OPERATION error is generated if sampler is not the name
- * of a sampler object previously returned from a call to GenSamplers."
- *
- * In desktop GL, an GL_INVALID_VALUE is returned instead.
- */
- _mesa_error(ctx, (_mesa_is_gles(ctx) ?
- GL_INVALID_OPERATION : GL_INVALID_VALUE),
- "glSamplerParameteriv(sampler %u)", sampler);
+ sampObj = sampler_parameter_error_check(ctx, sampler, false,
+ "glSamplerParameteriv");
+ if (!sampObj)
return;
- }
switch (pname) {
case GL_TEXTURE_WRAP_S:
GLuint res;
GET_CURRENT_CONTEXT(ctx);
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- /* '3.8.2 Sampler Objects' section of the GL-ES 3.0 specification states:
- *
- * "An INVALID_OPERATION error is generated if sampler is not the name
- * of a sampler object previously returned from a call to GenSamplers."
- *
- * In desktop GL, an GL_INVALID_VALUE is returned instead.
- */
- _mesa_error(ctx, (_mesa_is_gles(ctx) ?
- GL_INVALID_OPERATION : GL_INVALID_VALUE),
- "glSamplerParameterfv(sampler %u)", sampler);
+ sampObj = sampler_parameter_error_check(ctx, sampler, false,
+ "glSamplerParameterfv");
+ if (!sampObj)
return;
- }
switch (pname) {
case GL_TEXTURE_WRAP_S:
GLuint res;
GET_CURRENT_CONTEXT(ctx);
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- _mesa_error(ctx, (_mesa_is_gles(ctx) ?
- GL_INVALID_OPERATION : GL_INVALID_VALUE),
- "glSamplerParameterIiv(sampler %u)", sampler);
+ sampObj = sampler_parameter_error_check(ctx, sampler, false,
+ "glSamplerParameterIiv");
+ if (!sampObj)
return;
- }
switch (pname) {
case GL_TEXTURE_WRAP_S:
GLuint res;
GET_CURRENT_CONTEXT(ctx);
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- _mesa_error(ctx, (_mesa_is_gles(ctx) ?
- GL_INVALID_OPERATION : GL_INVALID_VALUE),
- "glSamplerParameterIuiv(sampler %u)", sampler);
+ sampObj = sampler_parameter_error_check(ctx, sampler, false,
+ "glSamplerParameterIuiv");
+ if (!sampObj)
return;
- }
switch (pname) {
case GL_TEXTURE_WRAP_S:
struct gl_sampler_object *sampObj;
GET_CURRENT_CONTEXT(ctx);
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- /* '3.8.2 Sampler Objects' section of the GL-ES 3.0 specification states:
- *
- * "An INVALID_OPERATION error is generated if sampler is not the name
- * of a sampler object previously returned from a call to GenSamplers."
- *
- * In desktop GL, an GL_INVALID_VALUE is returned instead.
- */
- _mesa_error(ctx, (_mesa_is_gles(ctx) ?
- GL_INVALID_OPERATION : GL_INVALID_VALUE),
- "glGetSamplerParameteriv(sampler %u)", sampler);
+ sampObj = sampler_parameter_error_check(ctx, sampler, true,
+ "glGetSamplerParameteriv");
+ if (!sampObj)
return;
- }
switch (pname) {
case GL_TEXTURE_WRAP_S:
struct gl_sampler_object *sampObj;
GET_CURRENT_CONTEXT(ctx);
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- /* '3.8.2 Sampler Objects' section of the GL-ES 3.0 specification states:
- *
- * "An INVALID_OPERATION error is generated if sampler is not the name
- * of a sampler object previously returned from a call to GenSamplers."
- *
- * In desktop GL, an GL_INVALID_VALUE is returned instead.
- */
- _mesa_error(ctx, (_mesa_is_gles(ctx) ?
- GL_INVALID_OPERATION : GL_INVALID_VALUE),
- "glGetSamplerParameterfv(sampler %u)", sampler);
+ sampObj = sampler_parameter_error_check(ctx, sampler, true,
+ "glGetSamplerParameterfv");
+ if (!sampObj)
return;
- }
switch (pname) {
case GL_TEXTURE_WRAP_S:
struct gl_sampler_object *sampObj;
GET_CURRENT_CONTEXT(ctx);
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- _mesa_error(ctx, (_mesa_is_gles(ctx) ?
- GL_INVALID_OPERATION : GL_INVALID_VALUE),
- "glGetSamplerParameterIiv(sampler %u)",
- sampler);
+ sampObj = sampler_parameter_error_check(ctx, sampler, true,
+ "glGetSamplerParameterIiv");
+ if (!sampObj)
return;
- }
switch (pname) {
case GL_TEXTURE_WRAP_S:
struct gl_sampler_object *sampObj;
GET_CURRENT_CONTEXT(ctx);
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- _mesa_error(ctx, (_mesa_is_gles(ctx) ?
- GL_INVALID_OPERATION : GL_INVALID_VALUE),
- "glGetSamplerParameterIuiv(sampler %u)",
- sampler);
+ sampObj = sampler_parameter_error_check(ctx, sampler, true,
+ "glGetSamplerParameterIuiv");
+ if (!sampObj)
return;
- }
switch (pname) {
case GL_TEXTURE_WRAP_S:
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