[Mesa-dev] [PATCH 07/23] main: Add entry point for NamedBufferData.

Martin Peres martin.peres at linux.intel.com
Wed Feb 18 07:40:21 PST 2015


On 12/02/15 04:05, Laura Ekstrand wrote:
> v2: review from Ian Romanick
>     - Fix space in ARB_direct_state_access.xml.
>     - Remove "_mesa" from the name of buffer_data static fallback.
>     - Restore VBO_DEBUG and BOUNDS_CHECK.
>     - Fix beginning of comment to start on same line as /*
> ---
>   src/mapi/glapi/gen/ARB_direct_state_access.xml |  7 +++
>   src/mesa/main/bufferobj.c                      | 67 ++++++++++++++++++--------
>   src/mesa/main/bufferobj.h                      | 13 ++++-
>   src/mesa/main/tests/dispatch_sanity.cpp        |  1 +
>   4 files changed, 67 insertions(+), 21 deletions(-)
>
> diff --git a/src/mapi/glapi/gen/ARB_direct_state_access.xml b/src/mapi/glapi/gen/ARB_direct_state_access.xml
> index ff81c21..7779262 100644
> --- a/src/mapi/glapi/gen/ARB_direct_state_access.xml
> +++ b/src/mapi/glapi/gen/ARB_direct_state_access.xml
> @@ -21,6 +21,13 @@
>         <param name="flags" type="GLbitfield" />
>      </function>
>   
> +   <function name="NamedBufferData" offset="assign">
> +      <param name="buffer" type="GLuint" />
> +      <param name="size" type="GLsizeiptr" />
> +      <param name="data" type="const GLvoid *" />
> +      <param name="usage" type="GLenum" />
> +   </function>
> +
>      <!-- Texture object functions -->
>   
>      <function name="CreateTextures" offset="assign">
> diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
> index 6259db1..ac8eed1 100644
> --- a/src/mesa/main/bufferobj.c
> +++ b/src/mesa/main/bufferobj.c
> @@ -556,9 +556,9 @@ _mesa_total_buffer_object_memory(struct gl_context *ctx)
>    * \sa glBufferDataARB, dd_function_table::BufferData.
>    */
>   static GLboolean
> -_mesa_buffer_data( struct gl_context *ctx, GLenum target, GLsizeiptrARB size,
> -		   const GLvoid * data, GLenum usage, GLenum storageFlags,
> -		   struct gl_buffer_object * bufObj )
> +buffer_data_fallback(struct gl_context *ctx, GLenum target, GLsizeiptr size,
> +                     const GLvoid *data, GLenum usage, GLenum storageFlags,
> +                     struct gl_buffer_object *bufObj)
>   {
>      void * new_data;
>   
> @@ -1112,7 +1112,7 @@ _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->BufferData = _mesa_buffer_data;
> +   driver->BufferData = buffer_data_fallback;
>      driver->BufferSubData = _mesa_buffer_subdata;
>      driver->GetBufferSubData = _mesa_buffer_get_subdata;
>      driver->UnmapBuffer = _mesa_buffer_unmap;
> @@ -1474,23 +1474,22 @@ _mesa_NamedBufferStorage(GLuint buffer, GLsizeiptr size, const GLvoid *data,
>   }
>   
>   
> -
> -void GLAPIENTRY
> -_mesa_BufferData(GLenum target, GLsizeiptrARB size,
> -                    const GLvoid * data, GLenum usage)
> +void
> +_mesa_buffer_data(struct gl_context *ctx, struct gl_buffer_object *bufObj,
> +                  GLenum target, GLsizeiptr size, const GLvoid *data,
> +                  GLenum usage, const char *func)
>   {
> -   GET_CURRENT_CONTEXT(ctx);
> -   struct gl_buffer_object *bufObj;
>      bool valid_usage;
>   
>      if (MESA_VERBOSE & VERBOSE_API)
> -      _mesa_debug(ctx, "glBufferData(%s, %ld, %p, %s)\n",
> +      _mesa_debug(ctx, "%s(%s, %ld, %p, %s)\n",

Func could be on this line but I really don't care.

> +                  func,
>                     _mesa_lookup_enum_by_nr(target),
>                     (long int) size, data,
>                     _mesa_lookup_enum_by_nr(usage));
>   
>      if (size < 0) {
> -      _mesa_error(ctx, GL_INVALID_VALUE, "glBufferDataARB(size < 0)");
> +      _mesa_error(ctx, GL_INVALID_VALUE, "%s(size < 0)", func);
>         return;
>      }
>   
> @@ -1519,16 +1518,13 @@ _mesa_BufferData(GLenum target, GLsizeiptrARB size,
>      }
>   
>      if (!valid_usage) {
> -      _mesa_error(ctx, GL_INVALID_ENUM, "glBufferData(usage)");
> +      _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid usage: %s)", func,
> +                  _mesa_lookup_enum_by_nr(usage));
>         return;
>      }
>   
> -   bufObj = get_buffer(ctx, "glBufferDataARB", target, GL_INVALID_OPERATION);
> -   if (!bufObj)
> -      return;
> -
>      if (bufObj->Immutable) {
> -      _mesa_error(ctx, GL_INVALID_OPERATION, "glBufferData(immutable)");
> +      _mesa_error(ctx, GL_INVALID_OPERATION, "%s(immutable)", func);
>         return;
>      }
>   
> @@ -1554,10 +1550,43 @@ _mesa_BufferData(GLenum target, GLsizeiptrARB size,
>                                  GL_MAP_WRITE_BIT |
>                                  GL_DYNAMIC_STORAGE_BIT,
>                                  bufObj)) {
> -      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBufferDataARB()");
> +      _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", func);
>      }
>   }
>   
> +void GLAPIENTRY
> +_mesa_BufferData(GLenum target, GLsizeiptr size,
> +                 const GLvoid *data, GLenum usage)
> +{
> +   GET_CURRENT_CONTEXT(ctx);
> +   struct gl_buffer_object *bufObj;
> +
> +   bufObj = get_buffer(ctx, "glBufferData", target, GL_INVALID_OPERATION);
> +   if (!bufObj)
> +      return;
> +
> +   _mesa_buffer_data(ctx, bufObj, target, size, data, usage,
> +                     "glBufferData");
> +}
> +
> +void GLAPIENTRY
> +_mesa_NamedBufferData(GLuint buffer, GLsizeiptr size, const GLvoid *data,
> +                      GLenum usage)
> +{
> +   GET_CURRENT_CONTEXT(ctx);
> +   struct gl_buffer_object *bufObj;
> +
> +   bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glNamedBufferData");
> +   if (!bufObj)
> +      return;
> +
> +   /* In direct state access, buffer objects have an unspecified target since
> +    * they are not required to be bound.
> +    */
> +   _mesa_buffer_data(ctx, bufObj, GL_NONE, size, data, usage,
> +                     "glNamedBufferData");
> +}
> +
>   
>   void GLAPIENTRY
>   _mesa_BufferSubData(GLenum target, GLintptrARB offset,
> diff --git a/src/mesa/main/bufferobj.h b/src/mesa/main/bufferobj.h
> index 3c337aa..ddd240c 100644
> --- a/src/mesa/main/bufferobj.h
> +++ b/src/mesa/main/bufferobj.h
> @@ -135,6 +135,11 @@ _mesa_buffer_storage(struct gl_context *ctx, struct gl_buffer_object *bufObj,
>                        GLbitfield flags, const char *func);
>   
>   extern void
> +_mesa_buffer_data(struct gl_context *ctx, struct gl_buffer_object *bufObj,
> +                  GLenum target, GLsizeiptr size, const GLvoid *data,
> +                  GLenum usage, const char *func);

is there a reason to export this function? Why not having it static?

Reviewed-by: Martin Peres <martin.peres at linux.intel.com>
> +
> +extern void
>   _mesa_buffer_unmap_all_mappings(struct gl_context *ctx,
>                                   struct gl_buffer_object *bufObj);
>   
> @@ -172,8 +177,12 @@ _mesa_NamedBufferStorage(GLuint buffer, GLsizeiptr size, const GLvoid *data,
>                            GLbitfield flags);
>   
>   void GLAPIENTRY
> -_mesa_BufferData(GLenum target, GLsizeiptrARB size,
> -                 const GLvoid * data, GLenum usage);
> +_mesa_BufferData(GLenum target, GLsizeiptr size,
> +                 const GLvoid *data, GLenum usage);
> +
> +void GLAPIENTRY
> +_mesa_NamedBufferData(GLuint buffer, GLsizeiptr size,
> +                      const GLvoid *data, GLenum usage);
>   
>   void GLAPIENTRY
>   _mesa_BufferSubData(GLenum target, GLintptrARB offset,
> diff --git a/src/mesa/main/tests/dispatch_sanity.cpp b/src/mesa/main/tests/dispatch_sanity.cpp
> index 9f663be..595ee90 100644
> --- a/src/mesa/main/tests/dispatch_sanity.cpp
> +++ b/src/mesa/main/tests/dispatch_sanity.cpp
> @@ -957,6 +957,7 @@ const struct function gl_core_functions_possible[] = {
>      /* GL_ARB_direct_state_access */
>      { "glCreateBuffers", 45, -1 },
>      { "glNamedBufferStorage", 45, -1 },
> +   { "glNamedBufferData", 45, -1 },
>      { "glCreateTextures", 45, -1 },
>      { "glTextureStorage1D", 45, -1 },
>      { "glTextureStorage2D", 45, -1 },



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