[Mesa-dev] [PATCH 06/23] mesa: hook up memoryobject tex(ture)storage api

Timothy Arceri tarceri at itsqueeze.com
Fri Aug 4 09:10:15 UTC 2017



On 04/08/17 18:45, Samuel Pitoiset wrote:
> 
> 
> On 08/04/2017 03:54 AM, Timothy Arceri wrote:
>> From: Andres Rodriguez <andresx7 at gmail.com>
>>
>> V2 (Timothy Arceri):
>>   - formating fixes
>>
>> V3 (Timothy):
>>   - error check memory == 0 before lookup
>>
>> Signed-off-by: Andres Rodriguez <andresx7 at gmail.com>
>> Reviewed-by: Samuel Pitoiset <samuel.pitoiset at gmail.com> (v2)
>> ---
>>   src/mesa/main/dd.h              |  10 ++++
>>   src/mesa/main/externalobjects.c | 128 
>> ++++++++++++++++++++++++++++++++++++----
>>   src/mesa/main/texstorage.c      |  76 +++++++++++++++++-------
>>   src/mesa/main/texstorage.h      |   9 +++
>>   4 files changed, 191 insertions(+), 32 deletions(-)
>>
>> diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
>> index 6d6bdecb4d..fbe70cdfab 100644
>> --- a/src/mesa/main/dd.h
>> +++ b/src/mesa/main/dd.h
>> @@ -1080,20 +1080,30 @@ struct dd_function_table {
>>       * allocate/return a subclass of gl_memory_object.
>>       */
>>      struct gl_memory_object * (*NewMemoryObject)(struct gl_context *ctx,
>>                                                   GLuint name);
>>      /**
>>       * Called to delete/free a memory object.  Drivers should free the
>>       * object and any image data it contains.
>>       */
>>      void (*DeleteMemoryObject)(struct gl_context *ctx,
>>                                 struct gl_memory_object *memObj);
>> +
>> +   /**
>> +    * Set the given memory object as the texture's storage.
>> +    */
>> +   GLboolean (*SetTextureStorageForMemoryObject)(struct gl_context *ctx,
>> +                                                 struct 
>> gl_texture_object *tex_obj,
>> +                                                 struct 
>> gl_memory_object *mem_obj,
>> +                                                 GLsizei levels, 
>> GLsizei width,
>> +                                                 GLsizei height, 
>> GLsizei depth,
>> +                                                 GLuint64 offset);
>>      /*@}*/
>>      /**
>>       * \name GL_EXT_external_objects_fd interface
>>       */
>>      /*@{*/
>>      /**
>>       * Called to import a memory object. The caller relinquishes 
>> ownership
>>       * of fd after the call returns.
>>       *
>> diff --git a/src/mesa/main/externalobjects.c 
>> b/src/mesa/main/externalobjects.c
>> index c0c97f645c..d10d414f02 100644
>> --- a/src/mesa/main/externalobjects.c
>> +++ b/src/mesa/main/externalobjects.c
>> @@ -17,20 +17,24 @@
>>    * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO 
>> EVENT SHALL
>>    * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES 
>> OR OTHER
>>    * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
>> ARISING
>>    * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
>>    * DEALINGS IN THE SOFTWARE.
>>    */
>>   #include "macros.h"
>>   #include "mtypes.h"
>>   #include "externalobjects.h"
>> +#include "teximage.h"
>> +#include "texobj.h"
>> +#include "glformats.h"
>> +#include "texstorage.h"
>>   /**
>>    * Allocate and initialize a new memory object.  But don't put it 
>> into the
>>    * memory object hash table.
>>    *
>>    * Called via ctx->Driver.NewMemoryObject, unless overridden by a 
>> device
>>    * driver.
>>    *
>>    * \return pointer to new memory object.
>>    */
>> @@ -221,144 +225,248 @@ _mesa_GetMemoryObjectParameterivEXT(GLuint 
>> memoryObject,
>>         default:
>>            goto invalid_pname;
>>      }
>>      return;
>>   invalid_pname:
>>      _mesa_error(ctx, GL_INVALID_ENUM,
>>                  "glGetMemoryObjectParameterivEXT(pname=0x%x)", pname);
>>   }
>> +static struct gl_memory_object *
>> +lookup_memory_object_err(struct gl_context *ctx, unsigned memory,
>> +                         const char* func)
>> +{
>> +   if (memory == 0) {
>> +      _mesa_error(ctx, GL_INVALID_VALUE, "%s(memory=0)", func);
>> +      return NULL;
>> +   }
>> +
>> +   struct gl_memory_object *memObj = _mesa_lookup_memory_object(ctx, 
>> memory);
>> +   if (!memObj)
>> +      return NULL;
>> +
>> +   if (!memObj->Immutable) {
>> +      _mesa_error(ctx, GL_INVALID_OPERATION, "%s(no associated memory)",
>> +                  func);
>> +      return NULL;
>> +   }
> 
> I haven't read the spec carefully, but do all memory objects have to be 
> immutable?

 From the EXT_external_objects_fd spec:

A successful import operation transfers ownership of <fd> to the GL 
implementation, and performing any operation on <fd> in the application 
after an import results in undefined behavior.

> 
>> +
>> +   return memObj;
>> +}
>> +
>> +/**
>> + * Helper used by _mesa_TexStorageMem1/2/3DEXT().
>> + */
>> +static void
>> +texstorage_memory(GLuint dims, GLenum target, GLsizei levels,
>> +                  GLenum internalFormat, GLsizei width, GLsizei height,
>> +                  GLsizei depth, GLuint memory, GLuint64 offset,
>> +                  const char *func)
>> +{
>> +   struct gl_texture_object *texObj;
>> +   struct gl_memory_object *memObj;
>> +
>> +   GET_CURRENT_CONTEXT(ctx);
>> +
>> +   texObj = _mesa_get_current_tex_object(ctx, target);
>> +   if (!texObj)
>> +      return;
>> +
>> +   memObj = lookup_memory_object_err(ctx, memory, func);
>> +   if (!memObj)
>> +      return;
>> +
>> +   _mesa_texture_storage_memory(ctx, dims, texObj, memObj, target,
>> +                                levels, internalFormat,
>> +                                width, height, depth, offset, false);
>> +}
>> +
>> +static void
>> +texstorage_memory_ms(GLuint dims, GLenum target, GLsizei samples,
>> +                     GLenum internalFormat, GLsizei width, GLsizei 
>> height,
>> +                     GLsizei depth, GLboolean fixedSampleLocations,
>> +                     GLuint memory, GLuint64 offset)
>> +{
>> +
>> +}
>> +
>> +/**
>> + * Helper used by _mesa_TextureStorageMem1/2/3DEXT().
>> + */
>> +static void
>> +texturestorage_memory(GLuint dims, GLuint texture, GLsizei levels,
>> +                      GLenum internalFormat, GLsizei width, GLsizei 
>> height,
>> +                      GLsizei depth, GLuint memory, GLuint64 offset,
>> +                      const char *func)
>> +{
>> +   struct gl_texture_object *texObj;
>> +   struct gl_memory_object *memObj;
>> +
>> +   GET_CURRENT_CONTEXT(ctx);
>> +
>> +   texObj = _mesa_lookup_texture(ctx, texture);
>> +   if (!texObj)
>> +      return;
>> +
>> +   memObj = lookup_memory_object_err(ctx, memory, func);
>> +   if (!memObj)
>> +      return;
>> +
>> +   _mesa_texture_storage_memory(ctx, dims, texObj, memObj, 
>> texObj->Target,
>> +                                levels, internalFormat,
>> +                                width, height, depth, offset, true);
>> +}
>> +
>> +static void
>> +texturestorage_memory_ms(GLuint dims, GLuint texture, GLsizei samples,
>> +                         GLenum internalFormat, GLsizei width, 
>> GLsizei height,
>> +                         GLsizei depth, GLboolean fixedSampleLocations,
>> +                         GLuint memory, GLuint64 offset)
>> +{
>> +
>> +}
>> +
>>   void GLAPIENTRY
>>   _mesa_TexStorageMem2DEXT(GLenum target,
>>                            GLsizei levels,
>>                            GLenum internalFormat,
>>                            GLsizei width,
>>                            GLsizei height,
>>                            GLuint memory,
>>                            GLuint64 offset)
>>   {
>> -
>> +   texstorage_memory(2, target, levels, internalFormat, width, 
>> height, 1,
>> +                     memory, offset, "glTexStorageMem2DEXT");
>>   }
>>   void GLAPIENTRY
>>   _mesa_TexStorageMem2DMultisampleEXT(GLenum target,
>>                                       GLsizei samples,
>>                                       GLenum internalFormat,
>>                                       GLsizei width,
>>                                       GLsizei height,
>>                                       GLboolean fixedSampleLocations,
>>                                       GLuint memory,
>>                                       GLuint64 offset)
>>   {
>> -
>> +   texstorage_memory_ms(2, target, samples, internalFormat, width, 
>> height, 1,
>> +                        fixedSampleLocations, memory, offset);
>>   }
>>   void GLAPIENTRY
>>   _mesa_TexStorageMem3DEXT(GLenum target,
>>                            GLsizei levels,
>>                            GLenum internalFormat,
>>                            GLsizei width,
>>                            GLsizei height,
>>                            GLsizei depth,
>>                            GLuint memory,
>>                            GLuint64 offset)
>>   {
>> -
>> +   texstorage_memory(3, target, levels, internalFormat, width, 
>> height, depth,
>> +                     memory, offset, "glTexStorageMem3DEXT");
>>   }
>>   void GLAPIENTRY
>>   _mesa_TexStorageMem3DMultisampleEXT(GLenum target,
>>                                       GLsizei samples,
>>                                       GLenum internalFormat,
>>                                       GLsizei width,
>>                                       GLsizei height,
>>                                       GLsizei depth,
>>                                       GLboolean fixedSampleLocations,
>>                                       GLuint memory,
>>                                       GLuint64 offset)
>>   {
>> -
>> +   texstorage_memory_ms(3, target, samples, internalFormat, width, 
>> height,
>> +                        depth, fixedSampleLocations, memory, offset);
>>   }
>>   void GLAPIENTRY
>>   _mesa_TextureStorageMem2DEXT(GLuint texture,
>>                                GLsizei levels,
>>                                GLenum internalFormat,
>>                                GLsizei width,
>>                                GLsizei height,
>>                                GLuint memory,
>>                                GLuint64 offset)
>>   {
>> -
>> +   texturestorage_memory(2, texture, levels, internalFormat, width, 
>> height, 1,
>> +                         memory, offset, "glTexureStorageMem2DEXT");
>>   }
>>   void GLAPIENTRY
>>   _mesa_TextureStorageMem2DMultisampleEXT(GLuint texture,
>>                                           GLsizei samples,
>>                                           GLenum internalFormat,
>>                                           GLsizei width,
>>                                           GLsizei height,
>>                                           GLboolean fixedSampleLocations,
>>                                           GLuint memory,
>>                                           GLuint64 offset)
>>   {
>> -
>> +   texturestorage_memory_ms(2, texture, samples, internalFormat, 
>> width, height,
>> +                            1, fixedSampleLocations, memory, offset);
>>   }
>>   void GLAPIENTRY
>>   _mesa_TextureStorageMem3DEXT(GLuint texture,
>>                                GLsizei levels,
>>                                GLenum internalFormat,
>>                                GLsizei width,
>>                                GLsizei height,
>>                                GLsizei depth,
>>                                GLuint memory,
>>                                GLuint64 offset)
>>   {
>> -
>> +   texturestorage_memory(3, texture, levels, internalFormat, width, 
>> height,
>> +                         depth, memory, offset, 
>> "glTextureStorageMem3DEXT");
>>   }
>>   void GLAPIENTRY
>>   _mesa_TextureStorageMem3DMultisampleEXT(GLuint texture,
>>                                           GLsizei samples,
>>                                           GLenum internalFormat,
>>                                           GLsizei width,
>>                                           GLsizei height,
>>                                           GLsizei depth,
>>                                           GLboolean fixedSampleLocations,
>>                                           GLuint memory,
>>                                           GLuint64 offset)
>>   {
>> -
>> +   texturestorage_memory_ms(3, texture, samples, internalFormat, 
>> width, height,
>> +                            depth, fixedSampleLocations, memory, 
>> offset);
>>   }
>>   void GLAPIENTRY
>>   _mesa_TexStorageMem1DEXT(GLenum target,
>>                            GLsizei levels,
>>                            GLenum internalFormat,
>>                            GLsizei width,
>>                            GLuint memory,
>>                            GLuint64 offset)
>>   {
>> -
>> +   texstorage_memory(1, target, levels, internalFormat, width, 1, 1, 
>> memory,
>> +                     offset, "glTexStorageMem1DEXT");
>>   }
>>   void GLAPIENTRY
>>   _mesa_TextureStorageMem1DEXT(GLuint texture,
>>                                GLsizei levels,
>>                                GLenum internalFormat,
>>                                GLsizei width,
>>                                GLuint memory,
>>                                GLuint64 offset)
>>   {
>> -
>> +   texturestorage_memory(1, texture, levels, internalFormat, width, 
>> 1, 1,
>> +                         memory, offset, "glTextureStorageMem1DEXT");
>>   }
>>   void GLAPIENTRY
>>   _mesa_GenSemaphoresEXT(GLsizei n, GLuint *semaphores)
>>   {
>>   }
>>   void GLAPIENTRY
>>   _mesa_DeleteSemaphoresEXT(GLsizei n, const GLuint *semaphores)
>> diff --git a/src/mesa/main/texstorage.c b/src/mesa/main/texstorage.c
>> index 7a61a4f478..e0930abe3f 100644
>> --- a/src/mesa/main/texstorage.c
>> +++ b/src/mesa/main/texstorage.c
>> @@ -297,26 +297,28 @@ _mesa_AllocTextureStorage_sw(struct gl_context 
>> *ctx,
>>   /**
>>    * Do error checking for calls to glTexStorage1/2/3D().
>>    * If an error is found, record it with _mesa_error(), unless the 
>> target
>>    * is a proxy texture.
>>    * \return GL_TRUE if any error, GL_FALSE otherwise.
>>    */
>>   static GLboolean
>>   tex_storage_error_check(struct gl_context *ctx,
>>                           struct gl_texture_object *texObj,
>> +                        struct gl_memory_object *memObj,
>>                           GLuint dims, GLenum target,
>>                           GLsizei levels, GLenum internalformat,
>>                           GLsizei width, GLsizei height, GLsizei depth,
>>                           bool dsa)
>>   {
>> -   const char* suffix = dsa ? "ture" : "";
>> +   const char* suffix = dsa ? (memObj ? "tureMem" : "ture") :
>> +                              (memObj ? "Mem" : "");
>>      /* Legal format checking has been moved to texstorage and 
>> texturestorage in
>>       * order to allow meta functions to use legacy formats. */
>>      /* size check */
>>      if (!_mesa_valid_tex_storage_dim(width, height, depth)) {
>>         _mesa_error(ctx, GL_INVALID_VALUE,
>>                     "glTex%sStorage%uD(width, height or depth < 1)",
>>                     suffix, dims);
>>         return GL_TRUE;
>> @@ -382,32 +384,34 @@ tex_storage_error_check(struct gl_context *ctx,
>>   }
>>   /**
>>    * Helper that does the storage allocation for _mesa_TexStorage1/2/3D()
>>    * and _mesa_TextureStorage1/2/3D().
>>    */
>>   static ALWAYS_INLINE void
>>   texture_storage(struct gl_context *ctx, GLuint dims,
>>                   struct gl_texture_object *texObj,
>> -                GLenum target, GLsizei levels,
>> -                GLenum internalformat, GLsizei width,
>> -                GLsizei height, GLsizei depth, bool dsa, bool no_error)
>> +                struct gl_memory_object *memObj, GLenum target,
>> +                GLsizei levels, GLenum internalformat, GLsizei width,
>> +                GLsizei height, GLsizei depth, GLuint64 offset, bool 
>> dsa,
>> +                bool no_error)
>>   {
>>      GLboolean sizeOK = GL_TRUE, dimensionsOK = GL_TRUE;
>>      mesa_format texFormat;
>> -   const char* suffix = dsa ? "ture" : "";
>> +   const char* suffix = dsa ? (memObj ? "tureMem" : "ture") :
>> +                              (memObj ? "Mem" : "");
>>      assert(texObj);
>>      if (!no_error) {
>> -      if (tex_storage_error_check(ctx, texObj, dims, target, levels,
>> +      if (tex_storage_error_check(ctx, texObj, memObj, dims, target, 
>> levels,
>>                                     internalformat, width, height, 
>> depth, dsa)) {
>>            return; /* error was recorded */
>>         }
>>      }
>>      texFormat = _mesa_choose_texture_format(ctx, texObj, target, 0,
>>                                              internalformat, GL_NONE, 
>> GL_NONE);
>>      if (!no_error) {
>>         /* check that width, height, depth are legal for the mipmap 
>> level */
>> @@ -447,62 +451,74 @@ texture_storage(struct gl_context *ctx, GLuint 
>> dims,
>>         assert(levels > 0);
>>         assert(width > 0);
>>         assert(height > 0);
>>         assert(depth > 0);
>>         if (!initialize_texture_fields(ctx, texObj, levels, width, 
>> height, depth,
>>                                        internalformat, texFormat)) {
>>            return;
>>         }
>> -      /* Do actual texture memory allocation */
>> -      if (!ctx->Driver.AllocTextureStorage(ctx, texObj, levels,
>> -                                           width, height, depth)) {
>> -         /* Reset the texture images' info to zeros.
>> -          * Strictly speaking, we probably don't have to do this since
>> -          * generating GL_OUT_OF_MEMORY can leave things in an undefined
>> -          * state but this puts things in a consistent state.
>> -          */
>> -         clear_texture_fields(ctx, texObj);
>> -         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTex%sStorage%uD",
>> -                     suffix, dims);
>> -         return;
>> +      /* Setup the backing memory */
>> +      if (memObj) {
>> +         if (!ctx->Driver.SetTextureStorageForMemoryObject(ctx, 
>> texObj, memObj,
>> +                                                           levels,
>> +                                                           width, 
>> height, depth,
>> +                                                           offset)) {
>> +
>> +            clear_texture_fields(ctx, texObj);
>> +            return;
>> +         }
>> +      }
>> +      else {
>> +         if (!ctx->Driver.AllocTextureStorage(ctx, texObj, levels,
>> +                                              width, height, depth)) {
>> +            /* Reset the texture images' info to zeros.
>> +             * Strictly speaking, we probably don't have to do this 
>> since
>> +             * generating GL_OUT_OF_MEMORY can leave things in an 
>> undefined
>> +             * state but this puts things in a consistent state.
>> +             */
>> +            clear_texture_fields(ctx, texObj);
>> +            _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTex%sStorage%uD",
>> +                        suffix, dims);
>> +            return;
>> +         }
>>         }
>>         _mesa_set_texture_view_state(ctx, texObj, target, levels);
>>         update_fbo_texture(ctx, texObj);
>>      }
>>   }
>>   static void
>>   texture_storage_error(struct gl_context *ctx, GLuint dims,
>>                         struct gl_texture_object *texObj,
>>                         GLenum target, GLsizei levels,
>>                         GLenum internalformat, GLsizei width,
>>                         GLsizei height, GLsizei depth, bool dsa)
>>   {
>> -   texture_storage(ctx, dims, texObj, target, levels, internalformat, 
>> width,
>> -                   height, depth, dsa, false);
>> +   texture_storage(ctx, dims, texObj, NULL, target, levels, 
>> internalformat,
>> +                   width, height, depth, dsa, 0, false);
>>   }
>>   static void
>>   texture_storage_no_error(struct gl_context *ctx, GLuint dims,
>>                            struct gl_texture_object *texObj,
>>                            GLenum target, GLsizei levels,
>>                            GLenum internalformat, GLsizei width,
>>                            GLsizei height, GLsizei depth, bool dsa)
>>   {
>> -   texture_storage(ctx, dims, texObj, target, levels, internalformat, 
>> width,
>> -                   height, depth, dsa, true);
>> +   texture_storage(ctx, dims, texObj, NULL, target, levels, 
>> internalformat,
>> +                   width, height, depth, dsa, 0, true);
>>   }
>>   /**
>>    * Helper used by _mesa_TexStorage1/2/3D().
>>    */
>>   static void
>>   texstorage_error(GLuint dims, GLenum target, GLsizei levels,
>>                    GLenum internalformat, GLsizei width, GLsizei height,
>>                    GLsizei depth, const char *caller)
>> @@ -777,10 +793,26 @@ _mesa_TextureStorage3DEXT(GLuint texture, GLenum 
>> target, GLsizei levels,
>>      (void) target;
>>      (void) levels;
>>      (void) internalformat;
>>      (void) width;
>>      (void) height;
>>      (void) depth;
>>      _mesa_error(ctx, GL_INVALID_OPERATION,
>>                  "glTextureStorage3DEXT not supported");
>>   }
>> +
>> +
>> +void
>> +_mesa_texture_storage_memory(struct gl_context *ctx, GLuint dims,
>> +                             struct gl_texture_object *texObj,
>> +                             struct gl_memory_object *memObj,
>> +                             GLenum target, GLsizei levels,
>> +                             GLenum internalformat, GLsizei width,
>> +                             GLsizei height, GLsizei depth,
>> +                             GLuint64 offset, bool dsa)
>> +{
>> +   assert(memObj);
>> +
>> +   texture_storage(ctx, dims, texObj, memObj, target, levels, 
>> internalformat,
>> +                   width, height, depth, offset, dsa, false);
>> +}
>> diff --git a/src/mesa/main/texstorage.h b/src/mesa/main/texstorage.h
>> index 66b77be4e1..f184dfd86e 100644
>> --- a/src/mesa/main/texstorage.h
>> +++ b/src/mesa/main/texstorage.h
>> @@ -130,11 +130,20 @@ _mesa_TextureStorage3DEXT(GLuint texture, GLenum 
>> target, GLsizei levels,
>>   extern GLboolean
>>   _mesa_is_legal_tex_storage_format(const struct gl_context *ctx,
>>                                     GLenum internalformat);
>>   extern GLboolean
>>   _mesa_AllocTextureStorage_sw(struct gl_context *ctx,
>>                                struct gl_texture_object *texObj,
>>                                GLsizei levels, GLsizei width,
>>                                GLsizei height, GLsizei depth);
>> +extern void
>> +_mesa_texture_storage_memory(struct gl_context *ctx, GLuint dims,
>> +                             struct gl_texture_object *texObj,
>> +                             struct gl_memory_object *memObj,
>> +                             GLenum target, GLsizei levels,
>> +                             GLenum internalformat, GLsizei width,
>> +                             GLsizei height, GLsizei depth,
>> +                             GLuint64 offset, bool dsa);
>> +
>>   #endif /* TEXSTORAGE_H */
>>


More information about the mesa-dev mailing list