[Mesa-dev] [PATCH 12/41] main: Added entry points for glTextureSubImage*D.

Anuj Phogat anuj.phogat at gmail.com
Mon Dec 29 15:02:34 PST 2014


On Tue, Dec 16, 2014 at 6:52 AM, Laura Ekstrand <laura at jlekstrand.net> wrote:
> ---
>  src/mapi/glapi/gen/ARB_direct_state_access.xml |  36 +++
>  src/mesa/main/teximage.c                       | 343 +++++++++++++++++++------
>  src/mesa/main/teximage.h                       |  30 +++
>  3 files changed, 333 insertions(+), 76 deletions(-)
>
> diff --git a/src/mapi/glapi/gen/ARB_direct_state_access.xml b/src/mapi/glapi/gen/ARB_direct_state_access.xml
> index 37aac7e..4c5005f 100644
> --- a/src/mapi/glapi/gen/ARB_direct_state_access.xml
> +++ b/src/mapi/glapi/gen/ARB_direct_state_access.xml
> @@ -39,5 +39,41 @@
>        <param name="depth" type="GLsizei" />
>     </function>
>
> +   <function name="TextureSubImage1D" offset="assign">
> +      <param name="texture" type="GLuint" />
> +      <param name="level" type="GLint" />
> +      <param name="xoffset" type="GLint" />
> +      <param name="width" type="GLsizei" />
> +      <param name="format" type="GLenum" />
> +      <param name="type" type="GLenum" />
> +      <param name="pixels" type="const GLvoid *" />
> +   </function>
> +
> +   <function name="TextureSubImage2D" offset="assign">
> +      <param name="texture" type="GLuint" />
> +      <param name="level" type="GLint" />
> +      <param name="xoffset" type="GLint" />
> +      <param name="yoffset" type="GLint" />
> +      <param name="width" type="GLsizei" />
> +      <param name="height" type="GLsizei" />
> +      <param name="format" type="GLenum" />
> +      <param name="type" type="GLenum" />
> +      <param name="pixels" type="const GLvoid *" />
> +   </function>
> +
> +   <function name="TextureSubImage3D" offset="assign">
> +      <param name="texture" type="GLuint" />
> +      <param name="level" type="GLint" />
> +      <param name="xoffset" type="GLint" />
> +      <param name="yoffset" type="GLint" />
> +      <param name="zoffset" type="GLint" />
> +      <param name="width" type="GLsizei" />
> +      <param name="height" type="GLsizei" />
> +      <param name="depth" type="GLsizei" />
> +      <param name="format" type="GLenum" />
> +      <param name="type" type="GLenum" />
> +      <param name="pixels" type="const GLvoid *" />
> +   </function>
> +
>  </category>
>  </OpenGLAPI>
> diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
> index 08070cd..cfb6297 100644
> --- a/src/mesa/main/teximage.c
> +++ b/src/mesa/main/teximage.c
> @@ -1523,12 +1523,11 @@ _mesa_legal_texture_dimensions(struct gl_context *ctx, GLenum target,
>   * \return GL_TRUE if error found, GL_FALSE otherwise.
>   */
>  static GLboolean
> -error_check_subtexture_dimensions(struct gl_context *ctx,
> -                                  const char *function, GLuint dims,
> +error_check_subtexture_dimensions(struct gl_context *ctx, GLuint dims,
>                                    const struct gl_texture_image *destImage,
>                                    GLint xoffset, GLint yoffset, GLint zoffset,
>                                    GLsizei subWidth, GLsizei subHeight,
> -                                  GLsizei subDepth)
> +                                  GLsizei subDepth, const char *func)
>  {
>     const GLenum target = destImage->TexObject->Target;
>     GLuint bw, bh;
> @@ -1536,32 +1535,32 @@ error_check_subtexture_dimensions(struct gl_context *ctx,
>     /* Check size */
>     if (subWidth < 0) {
>        _mesa_error(ctx, GL_INVALID_VALUE,
> -                  "%s%dD(width=%d)", function, dims, subWidth);
> +                  "%s%dD(width=%d)", func, dims, subWidth);
>        return GL_TRUE;
>     }
>
>     if (dims > 1 && subHeight < 0) {
>        _mesa_error(ctx, GL_INVALID_VALUE,
> -                  "%s%dD(height=%d)", function, dims, subHeight);
> +                  "%s%dD(height=%d)", func, dims, subHeight);
>        return GL_TRUE;
>     }
>
>     if (dims > 2 && subDepth < 0) {
>        _mesa_error(ctx, GL_INVALID_VALUE,
> -                  "%s%dD(depth=%d)", function, dims, subDepth);
> +                  "%s%dD(depth=%d)", func, dims, subDepth);
>        return GL_TRUE;
>     }
>
>     /* check xoffset and width */
>     if (xoffset < - (GLint) destImage->Border) {
>        _mesa_error(ctx, GL_INVALID_VALUE, "%s%dD(xoffset)",
> -                  function, dims);
> +                  func, dims);
>        return GL_TRUE;
>     }
>
>     if (xoffset + subWidth > (GLint) destImage->Width) {
>        _mesa_error(ctx, GL_INVALID_VALUE, "%s%dD(xoffset+width)",
> -                  function, dims);
> +                  func, dims);
>        return GL_TRUE;
>     }
>
> @@ -1570,28 +1569,33 @@ error_check_subtexture_dimensions(struct gl_context *ctx,
>        GLint yBorder = (target == GL_TEXTURE_1D_ARRAY) ? 0 : destImage->Border;
>        if (yoffset < -yBorder) {
>           _mesa_error(ctx, GL_INVALID_VALUE, "%s%dD(yoffset)",
> -                     function, dims);
> +                     func, dims);
>           return GL_TRUE;
>        }
>        if (yoffset + subHeight > (GLint) destImage->Height) {
>           _mesa_error(ctx, GL_INVALID_VALUE, "%s%dD(yoffset+height)",
> -                     function, dims);
> +                     func, dims);
>           return GL_TRUE;
>        }
>     }
>
>     /* check zoffset and depth */
>     if (dims > 2) {
> +      GLint depth;
>        GLint zBorder = (target == GL_TEXTURE_2D_ARRAY ||
>                         target == GL_TEXTURE_CUBE_MAP_ARRAY) ?
>                           0 : destImage->Border;
>
>        if (zoffset < -zBorder) {
> -         _mesa_error(ctx, GL_INVALID_VALUE, "%s3D(zoffset)", function);
> +         _mesa_error(ctx, GL_INVALID_VALUE, "%s3D(zoffset)", func);
>           return GL_TRUE;
>        }
> -      if (zoffset + subDepth  > (GLint) destImage->Depth) {
> -         _mesa_error(ctx, GL_INVALID_VALUE, "%s3D(zoffset+depth)", function);
> +
> +      depth = (GLint) destImage->Depth;
> +      if (target == GL_TEXTURE_CUBE_MAP)
> +         depth = 6;
> +      if (zoffset + subDepth  > depth) {
> +         _mesa_error(ctx, GL_INVALID_VALUE, "%s3D(zoffset+depth)", func);
>           return GL_TRUE;
>        }
>     }
> @@ -1610,7 +1614,7 @@ error_check_subtexture_dimensions(struct gl_context *ctx,
>        if ((xoffset % bw != 0) || (yoffset % bh != 0)) {
>           _mesa_error(ctx, GL_INVALID_OPERATION,
>                       "%s%dD(xoffset = %d, yoffset = %d)",
> -                     function, dims, xoffset, yoffset);
> +                     func, dims, xoffset, yoffset);
>           return GL_TRUE;
>        }
>
> @@ -1622,14 +1626,14 @@ error_check_subtexture_dimensions(struct gl_context *ctx,
>        if ((subWidth % bw != 0) &&
>            (xoffset + subWidth != (GLint) destImage->Width)) {
>           _mesa_error(ctx, GL_INVALID_OPERATION,
> -                     "%s%dD(width = %d)", function, dims, subWidth);
> +                     "%s%dD(width = %d)", func, dims, subWidth);
>           return GL_TRUE;
>        }
>
>        if ((subHeight % bh != 0) &&
>            (yoffset + subHeight != (GLint) destImage->Height)) {
>           _mesa_error(ctx, GL_INVALID_OPERATION,
> -                     "%s%dD(height = %d)", function, dims, subHeight);
> +                     "%s%dD(height = %d)", func, dims, subHeight);
>           return GL_TRUE;
>        }
>     }
> @@ -1808,7 +1812,8 @@ legal_teximage_target(struct gl_context *ctx, GLuint dims, GLenum target)
>   * proxy targets are not supported.
>   */
>  static GLboolean
> -legal_texsubimage_target(struct gl_context *ctx, GLuint dims, GLenum target)
> +legal_texsubimage_target(struct gl_context *ctx, GLuint dims, GLenum target,
> +                         bool dsa)
>  {
>     switch (dims) {
>     case 1:
> @@ -1842,6 +1847,13 @@ legal_texsubimage_target(struct gl_context *ctx, GLuint dims, GLenum target)
>        case GL_TEXTURE_CUBE_MAP_ARRAY:
>        case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
>           return ctx->Extensions.ARB_texture_cube_map_array;
> +
> +      /* Table 8.15 of the OpenGL 4.5 core profile spec
> +       * (20141030) says that TEXTURE_CUBE_MAP is valid for TextureSubImage3D
> +       * and CopyTextureSubImage3D.
> +       */
> +      case GL_TEXTURE_CUBE_MAP:
> +         return dsa;
>        default:
>           return GL_FALSE;
>        }
> @@ -2350,25 +2362,34 @@ error:
>   */
>  static GLboolean
>  texsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
> +                        struct gl_texture_object *texObj,
>                          GLenum target, GLint level,
>                          GLint xoffset, GLint yoffset, GLint zoffset,
>                          GLint width, GLint height, GLint depth,
> -                        GLenum format, GLenum type)
> +                        GLenum format, GLenum type, bool dsa)
>  {
> -   struct gl_texture_object *texObj;
>     struct gl_texture_image *texImage;
>     GLenum err;
>
> +   if (!texObj) {
> +      /* must be out of memory */
> +      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTex%sSubImage%dD()",
> +                  dsa ? "ture" : "", dimensions);
> +      return GL_TRUE;
> +   }
> +
>     /* check target (proxies not allowed) */
> -   if (!legal_texsubimage_target(ctx, dimensions, target)) {
> -      _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage%uD(target=%s)",
> +   if (!legal_texsubimage_target(ctx, dimensions, target, dsa)) {
> +      _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sSubImage%uD(target=%s)",
> +                  dsa ? "ture" : "",
>                    dimensions, _mesa_lookup_enum_by_nr(target));
>        return GL_TRUE;
>     }
>
>     /* level check */
>     if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
> -      _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%uD(level=%d)",
> +      _mesa_error(ctx, GL_INVALID_VALUE, "glTex%sSubImage%uD(level=%d)",
> +                  dsa ? "ture" : "",
>                    dimensions, level);
>        return GL_TRUE;
>     }
> @@ -2382,7 +2403,8 @@ texsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
>        err = _mesa_es_error_check_format_and_type(format, type, dimensions);
>        if (err != GL_NO_ERROR) {
>           _mesa_error(ctx, err,
> -                     "glTexSubImage%dD(format = %s, type = %s)",
> +                     "glTex%sSubImage%dD(format = %s, type = %s)",
> +                     dsa ? "ture" : "",
>                       dimensions,
>                       _mesa_lookup_enum_by_nr(format),
>                       _mesa_lookup_enum_by_nr(type));
> @@ -2393,38 +2415,35 @@ texsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
>     err = _mesa_error_check_format_and_type(ctx, format, type);
>     if (err != GL_NO_ERROR) {
>        _mesa_error(ctx, err,
> -                  "glTexSubImage%dD(incompatible format = %s, type = %s)",
> +                  "glTex%sSubImage%dD(incompatible format = %s, type = %s)",
> +                  dsa ? "ture" : "",
>                    dimensions, _mesa_lookup_enum_by_nr(format),
>                    _mesa_lookup_enum_by_nr(type));
>        return GL_TRUE;
>     }
>
> -   /* Get dest texture object / image pointers */
> -   texObj = _mesa_get_current_tex_object(ctx, target);
> -   if (!texObj) {
> -      /* must be out of memory */
> -      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage%dD()", dimensions);
> -      return GL_TRUE;
> -   }
> -
>     texImage = _mesa_select_tex_image(ctx, texObj, target, level);
>     if (!texImage) {
>        /* non-existant texture level */
>        _mesa_error(ctx, GL_INVALID_OPERATION,
> -                  "glTexSubImage%dD(invalid texture image)", dimensions);
> +                  "glTex%sSubImage%dD(invalid texture image)",
> +                  dsa ? "ture" : "", dimensions);
>        return GL_TRUE;
>     }
>
> -   if (error_check_subtexture_dimensions(ctx, "glTexSubImage", dimensions,
> +   if (error_check_subtexture_dimensions(ctx, dimensions,
>                                           texImage, xoffset, yoffset, 0,
> -                                         width, height, 1)) {
> +                                         width, height, 1,
> +                                         dsa ? "glTextureSubImage" :
> +                                         "glTexSubImage")) {
>        return GL_TRUE;
>     }
>
>     if (_mesa_is_format_compressed(texImage->TexFormat)) {
>        if (compressedteximage_only_format(ctx, texImage->InternalFormat)) {
>           _mesa_error(ctx, GL_INVALID_OPERATION,
> -               "glTexSubImage%dD(no compression for format)", dimensions);
> +               "glTex%sSubImage%dD(no compression for format)",
> +               dsa ? "ture" : "", dimensions);
>           return GL_TRUE;
>        }
>     }
> @@ -2434,8 +2453,8 @@ texsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
>        if (_mesa_is_format_integer_color(texImage->TexFormat) !=
>            _mesa_is_enum_format_integer(format)) {
>           _mesa_error(ctx, GL_INVALID_OPERATION,
> -                     "glTexSubImage%dD(integer/non-integer format mismatch)",
> -                     dimensions);
> +                     "glTex%sSubImage%dD(integer/non-integer format mismatch)",
> +                     dsa ? "ture" : "", dimensions);
>           return GL_TRUE;
>        }
>     }
> @@ -2473,7 +2492,7 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
>     GLenum rb_internal_format;
>
>     /* check target */
> -   if (!legal_texsubimage_target(ctx, dimensions, target)) {
> +   if (!legal_texsubimage_target(ctx, dimensions, target, false)) {
>        _mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexImage%uD(target=%s)",
>                    dimensions, _mesa_lookup_enum_by_nr(target));
>        return GL_TRUE;
> @@ -2717,6 +2736,7 @@ copytexsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
>     struct gl_texture_object *texObj;
>     struct gl_texture_image *texImage;
>
> +
>     /* Check that the source buffer is complete */
>     if (_mesa_is_user_fbo(ctx->ReadBuffer)) {
>        if (ctx->ReadBuffer->_Status == 0) {
> @@ -2737,8 +2757,8 @@ copytexsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
>     }
>
>     /* check target (proxies not allowed) */
> -   if (!legal_texsubimage_target(ctx, dimensions, target)) {
> -      _mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexSubImage%uD(target=%s)",
> +   if (!legal_texsubimage_target(ctx, dimensions, target, false)) {
> +      _mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexImage%uD(target=%s)",
>                    dimensions, _mesa_lookup_enum_by_nr(target));
>        return GL_TRUE;
>     }
> @@ -2765,10 +2785,10 @@ copytexsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
>        return GL_TRUE;
>     }
>
> -   if (error_check_subtexture_dimensions(ctx, "glCopyTexSubImage",
> -                                         dimensions, texImage,
> +   if (error_check_subtexture_dimensions(ctx, dimensions, texImage,
>                                           xoffset, yoffset, zoffset,
> -                                         width, height, 1)) {
> +                                         width, height, 1,
> +                                         "glCopyTexSubImage")) {
>        return GL_TRUE;
>     }
>
> @@ -2888,7 +2908,6 @@ static inline void
>  check_gen_mipmap(struct gl_context *ctx, GLenum target,
>                   struct gl_texture_object *texObj, GLint level)
>  {
> -   ASSERT(target != GL_TEXTURE_CUBE_MAP);
>     if (texObj->GenerateMipmap &&
>         level == texObj->BaseLevel &&
>         level < texObj->MaxLevel) {
> @@ -3377,32 +3396,26 @@ _mesa_EGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image)
>  }
>
>
> -
>  /**
> - * Implement all the glTexSubImage1/2/3D() functions.
> + * Helper that implements the glTexSubImage1/2/3D()
> + * and glTextureSubImage1/2/3D() functions.
>   */
> -static void
> -texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
> -            GLint xoffset, GLint yoffset, GLint zoffset,
> -            GLsizei width, GLsizei height, GLsizei depth,
> -            GLenum format, GLenum type, const GLvoid *pixels )
> +void
> +_mesa_texture_sub_image(struct gl_context *ctx, GLuint dims,
> +                        struct gl_texture_object *texObj,
> +                        struct gl_texture_image *texImage,
> +                        GLenum target, GLint level,
> +                        GLint xoffset, GLint yoffset, GLint zoffset,
> +                        GLsizei width, GLsizei height, GLsizei depth,
> +                        GLenum format, GLenum type, const GLvoid *pixels,
> +                        bool dsa)
>  {
> -   struct gl_texture_object *texObj;
> -   struct gl_texture_image *texImage;
> -
>     FLUSH_VERTICES(ctx, 0);
>
> -   if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
> -      _mesa_debug(ctx, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
> -                  dims,
> -                  _mesa_lookup_enum_by_nr(target), level,
> -                  xoffset, yoffset, zoffset, width, height, depth,
> -                  _mesa_lookup_enum_by_nr(format),
> -                  _mesa_lookup_enum_by_nr(type), pixels);
> -
>     /* check target (proxies not allowed) */
> -   if (!legal_texsubimage_target(ctx, dims, target)) {
> -      _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage%uD(target=%s)",
> +   if (!legal_texsubimage_target(ctx, dims, target, dsa)) {
> +      _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sSubImage%uD(target=%s)",
> +                  dsa ? "ture" : "",
>                    dims, _mesa_lookup_enum_by_nr(target));
>        return;
>     }
> @@ -3410,17 +3423,8 @@ texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
>     if (ctx->NewState & _NEW_PIXEL)
>        _mesa_update_state(ctx);
>
> -   if (texsubimage_error_check(ctx, dims, target, level,
> -                               xoffset, yoffset, zoffset,
> -                               width, height, depth, format, type)) {
> -      return;   /* error was detected */
> -   }
> -
> -   texObj = _mesa_get_current_tex_object(ctx, target);
> -
>     _mesa_lock_texture(ctx, texObj);
>     {
> -      texImage = _mesa_select_tex_image(ctx, texObj, target, level);
>
>        if (width > 0 && height > 0 && depth > 0) {
>           /* If we have a border, offset=-1 is legal.  Bias by border width. */
> @@ -3452,6 +3456,150 @@ texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
>     _mesa_unlock_texture(ctx, texObj);
>  }
>
> +/**
> + * Implement all the glTexSubImage1/2/3D() functions.
> + * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
> + */
> +static void
> +texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
> +            GLint xoffset, GLint yoffset, GLint zoffset,
> +            GLsizei width, GLsizei height, GLsizei depth,
> +            GLenum format, GLenum type, const GLvoid *pixels )
> +{
> +   struct gl_texture_object *texObj;
> +   struct gl_texture_image *texImage;
> +   texObj = _mesa_get_current_tex_object(ctx, target);
> +   if (texsubimage_error_check(ctx, dims, texObj, target, level,
> +                               xoffset, yoffset, zoffset,
> +                               width, height, depth, format, type, false)) {
> +      return;   /* error was detected */
> +   }
> +
> +   texImage = _mesa_select_tex_image(ctx, texObj, target, level);
> +   if (!texImage) {
> +      /* non-existant texture level
> +       *
> +       * Why is this invalid operation and not invalid value?
> +       * Maybe: Look at errors for CompressedTexSubImage*D.
> +       * In the gl 4.5 spec section 8.7 Compressed Texture Images
> +       * (30.10.2014):
> +       * "An INVALID_OPERATION error is generated if xoffset, yoffset,
> +       * or zoffset are not equal to zero, or if width, height, and
> +       * depth do not match the corresponding dimensions of the texture
> +       * level."
> +       */
Use below format to provide spec reference. This is to keep it uniform
 across Mesa.
>From page xxx of OpenGL x.x spec:
   ".................
    .........."
> +      _mesa_error(ctx, GL_INVALID_OPERATION,
> +                  "glTexSubImage%uD(level)", dims);
> +      return;
> +   }
Above error check is not required. Isn't it already done in
texsubimage_error_check()?

> +
> +   if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
> +      _mesa_debug(ctx, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
> +                  dims,
> +                  _mesa_lookup_enum_by_nr(target), level,
> +                  xoffset, yoffset, zoffset, width, height, depth,
> +                  _mesa_lookup_enum_by_nr(format),
> +                  _mesa_lookup_enum_by_nr(type), pixels);
> +
> +   _mesa_texture_sub_image(ctx, dims, texObj, texImage, target, level,
> +                           xoffset, yoffset, zoffset, width, height, depth,
> +                           format, type, pixels, false);
> +}
> +
> +
> +/**
> + * Implement all the glTextureSubImage1/2/3D() functions.
> + * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
> + */
> +static void
> +texturesubimage(struct gl_context *ctx, GLuint dims,
> +                GLuint texture, GLint level,
> +                GLint xoffset, GLint yoffset, GLint zoffset,
> +                GLsizei width, GLsizei height, GLsizei depth,
> +                GLenum format, GLenum type, const GLvoid *pixels )
> +{
> +   struct gl_texture_object *texObj;
> +   struct gl_texture_image *texImage;
> +   int i;
> +
> +   /* Get the texture object by Name. */
> +   texObj = _mesa_lookup_texture(ctx, texture);
> +   if (!texObj) {
> +      _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureSubImage%uD(texture)",
> +                  dims);
> +      return;
> +   }
I think same error check is needed in texsubimage() ?
> +
> +   if (texsubimage_error_check(ctx, dims, texObj, texObj->Target, level,
> +                               xoffset, yoffset, zoffset,
> +                               width, height, depth, format, type, true)) {
> +      return;   /* error was detected */
> +   }
> +
> +   if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
> +      _mesa_debug(ctx,
> +                  "glTextureSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
> +                  dims,
> +                  _mesa_lookup_enum_by_nr(texObj->Target), level,
> +                  xoffset, yoffset, zoffset, width, height, depth,
> +                  _mesa_lookup_enum_by_nr(format),
> +                  _mesa_lookup_enum_by_nr(type), pixels);
> +
> +
> +   /* Must special case GL_TEXTURE_CUBE_MAP. */
Must handle special case ...?
> +   if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
> +
> +      /* Error checking */
> +      if (texObj->NumLayers < 6) {
> +         /* Not enough image planes for a cube map.  The spec does not say
> +          * what should happen in this case because the user has always
> +          * specified each cube face separately (using
> +          * GL_TEXTURE_CUBE_MAP_POSITIVE_X+i) in previous GL versions.
> +          * This is addressed in Khronos Bug 13223.
> +          */
> +         _mesa_error(ctx, GL_INVALID_OPERATION,
> +                     "glTextureSubImage%uD(insufficient cube map storage)",
> +                     dims);
> +         return;
> +      }
> +      for (i = 0; i < 6; ++i) { /* For each face. */
> +         if (!texObj->Image[i][level]) {
> +            /* Not enough image planes for a cube map.  The spec does not say
> +             * what should happen in this case because the user has always
> +             * specified each cube face separately (using
> +             * GL_TEXTURE_CUBE_MAP_POSITIVE_X+i) in previous GL versions.
> +             * This is addressed in Khronos Bug 13223.
> +             */
> +            _mesa_error(ctx, GL_INVALID_OPERATION,
> +                        "glTextureSubImage%uD(insufficient cube map storage)",
> +                        dims);
> +            return;
> +         }
> +      }
> +
> +      /* Copy in each face. */
> +      for (i = 0; i < 6; ++i) { /* For each face. */
Get rid of duplicate comment.
> +         texImage = texObj->Image[i][level];
> +         _mesa_texture_sub_image(ctx, 3, texObj, texImage, texObj->Target,
> +                                 level, xoffset, yoffset, zoffset,
> +                                 width, height, 1, format,
> +                                 type, pixels, true);
> +         pixels += _mesa_image_image_stride(&ctx->Unpack, width, height,
> +                                            format, type);
> +      }
> +   }
> +   else {
> +      texImage = _mesa_select_tex_image(ctx, texObj, texObj->Target, level);
> +      if (!texImage)
> +         return;
> +
> +      _mesa_texture_sub_image(ctx, dims, texObj, texImage, texObj->Target,
> +                              level, xoffset, yoffset, zoffset,
> +                              width, height, depth, format,
> +                              type, pixels, true);
> +   }
> +}
> +
>
>  void GLAPIENTRY
>  _mesa_TexSubImage1D( GLenum target, GLint level,
> @@ -3497,6 +3645,48 @@ _mesa_TexSubImage3D( GLenum target, GLint level,
>                 format, type, pixels);
>  }
>
> +void GLAPIENTRY
> +_mesa_TextureSubImage1D( GLuint texture, GLint level,
> +                         GLint xoffset, GLsizei width,
> +                         GLenum format, GLenum type,
> +                         const GLvoid *pixels )
> +{
> +   GET_CURRENT_CONTEXT(ctx);
> +   texturesubimage(ctx, 1, texture, level,
> +                   xoffset, 0, 0,
> +                   width, 1, 1,
> +                   format, type, pixels);
> +}
> +
> +
> +void GLAPIENTRY
> +_mesa_TextureSubImage2D( GLuint texture, GLint level,
> +                         GLint xoffset, GLint yoffset,
> +                         GLsizei width, GLsizei height,
> +                         GLenum format, GLenum type,
> +                         const GLvoid *pixels )
> +{
> +   GET_CURRENT_CONTEXT(ctx);
> +   texturesubimage(ctx, 2, texture, level,
> +                   xoffset, yoffset, 0,
> +                   width, height, 1,
> +                   format, type, pixels);
> +}
> +
> +
> +void GLAPIENTRY
> +_mesa_TextureSubImage3D( GLuint texture, GLint level,
> +                         GLint xoffset, GLint yoffset, GLint zoffset,
> +                         GLsizei width, GLsizei height, GLsizei depth,
> +                         GLenum format, GLenum type,
> +                         const GLvoid *pixels )
> +{
> +   GET_CURRENT_CONTEXT(ctx);
> +   texturesubimage(ctx, 3, texture, level,
> +                   xoffset, yoffset, zoffset,
> +                   width, height, depth,
> +                   format, type, pixels);
> +}
>
>
>  /**
> @@ -4202,9 +4392,10 @@ compressed_subtexture_error_check(struct gl_context *ctx, GLint dims,
>        return GL_TRUE;
>     }
>
> -   if (error_check_subtexture_dimensions(ctx, "glCompressedTexSubImage", dims,
> +   if (error_check_subtexture_dimensions(ctx, dims,
>                                           texImage, xoffset, yoffset, zoffset,
> -                                         width, height, depth)) {
> +                                         width, height, depth,
> +                                         "glCompressedTexSubImage")) {
>        return GL_TRUE;
>     }
>
> diff --git a/src/mesa/main/teximage.h b/src/mesa/main/teximage.h
> index b9da8ae..705410d 100644
> --- a/src/mesa/main/teximage.h
> +++ b/src/mesa/main/teximage.h
> @@ -156,6 +156,15 @@ _mesa_legal_texture_base_format_for_target(struct gl_context *ctx,
>                                             unsigned dimensions,
>                                             const char *caller);
>
> +extern void
> +_mesa_texture_sub_image( struct gl_context *ctx, GLuint dims,
> +                         struct gl_texture_object *texObj,
> +                         struct gl_texture_image *texImage,
> +                         GLenum target, GLint level,
> +                         GLint xoffset, GLint yoffset, GLint zoffset,
> +                         GLsizei width, GLsizei height, GLsizei depth,
> +                         GLenum format, GLenum type, const GLvoid *pixels,
> +                         bool dsa );
>  /*@}*/
>
>
> @@ -211,6 +220,27 @@ _mesa_TexSubImage3D( GLenum target, GLint level,
>                       GLenum format, GLenum type,
>                       const GLvoid *pixels );
>
> +extern void GLAPIENTRY
> +_mesa_TextureSubImage1D( GLuint texture, GLint level, GLint xoffset,
> +                         GLsizei width,
> +                         GLenum format, GLenum type,
> +                         const GLvoid *pixels );
> +
> +
> +extern void GLAPIENTRY
> +_mesa_TextureSubImage2D( GLuint texture, GLint level,
> +                         GLint xoffset, GLint yoffset,
> +                         GLsizei width, GLsizei height,
> +                         GLenum format, GLenum type,
> +                         const GLvoid *pixels );
> +
> +extern void GLAPIENTRY
> +_mesa_TextureSubImage3D( GLuint texture, GLint level,
> +                         GLint xoffset, GLint yoffset, GLint zoffset,
> +                         GLsizei width, GLsizei height, GLsizei depth,
> +                         GLenum format, GLenum type,
> +                         const GLvoid *pixels );
> +
>
>  extern void GLAPIENTRY
>  _mesa_CopyTexImage1D( GLenum target, GLint level, GLenum internalformat,
> --
> 2.1.0
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/mesa-dev


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