Beispiel #1
0
void GLAPIENTRY
_mesa_GetTexLevelParameteriv( GLenum target, GLint level,
                              GLenum pname, GLint *params )
{
   const struct gl_texture_unit *texUnit;
   struct gl_texture_object *texObj;
   const struct gl_texture_image *img = NULL;
   GLuint dimensions;
   GLboolean isProxy;
   GLint maxLevels;
   GET_CURRENT_CONTEXT(ctx);
   ASSERT_OUTSIDE_BEGIN_END(ctx);

   if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glGetTexLevelParameteriv(current unit)");
      return;
   }

   texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];

   /* this will catch bad target values */
   dimensions = tex_image_dimensions(ctx, target);  /* 1, 2 or 3 */
   if (dimensions == 0) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(target)");
      return;
   }

   maxLevels = _mesa_max_texture_levels(ctx, target);
   if (maxLevels == 0) {
      /* should not happen since <target> was just checked above */
      _mesa_problem(ctx, "maxLevels=0 in _mesa_GetTexLevelParameter");
      return;
   }

   if (level < 0 || level >= maxLevels) {
      _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" );
      return;
   }

   texObj = _mesa_select_tex_object(ctx, texUnit, target);
   _mesa_lock_texture(ctx, texObj);

   img = _mesa_select_tex_image(ctx, texObj, target, level);
   if (!img || !img->TexFormat) {
      /* undefined texture image */
      if (pname == GL_TEXTURE_COMPONENTS)
         *params = 1;
      else
         *params = 0;
      goto out;
   }

   isProxy = _mesa_is_proxy_texture(target);

   switch (pname) {
      case GL_TEXTURE_WIDTH:
         *params = img->Width;
         break;
      case GL_TEXTURE_HEIGHT:
         *params = img->Height;
         break;
      case GL_TEXTURE_DEPTH:
         *params = img->Depth;
         break;
      case GL_TEXTURE_INTERNAL_FORMAT:
         *params = img->InternalFormat;
         break;
      case GL_TEXTURE_BORDER:
         *params = img->Border;
         break;
      case GL_TEXTURE_RED_SIZE:
         if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
            *params = img->TexFormat->RedBits;
         else
            *params = 0;
         break;
      case GL_TEXTURE_GREEN_SIZE:
         if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
            *params = img->TexFormat->GreenBits;
         else
            *params = 0;
         break;
      case GL_TEXTURE_BLUE_SIZE:
         if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
            *params = img->TexFormat->BlueBits;
         else
            *params = 0;
         break;
      case GL_TEXTURE_ALPHA_SIZE:
         if (img->_BaseFormat == GL_ALPHA ||
             img->_BaseFormat == GL_LUMINANCE_ALPHA ||
             img->_BaseFormat == GL_RGBA)
            *params = img->TexFormat->AlphaBits;
         else
            *params = 0;
         break;
      case GL_TEXTURE_INTENSITY_SIZE:
         if (img->_BaseFormat != GL_INTENSITY)
            *params = 0;
         else if (img->TexFormat->IntensityBits > 0)
            *params = img->TexFormat->IntensityBits;
         else /* intensity probably stored as rgb texture */
            *params = MIN2(img->TexFormat->RedBits, img->TexFormat->GreenBits);
         break;
      case GL_TEXTURE_LUMINANCE_SIZE:
         if (img->_BaseFormat != GL_LUMINANCE &&
             img->_BaseFormat != GL_LUMINANCE_ALPHA)
            *params = 0;
         else if (img->TexFormat->LuminanceBits > 0)
            *params = img->TexFormat->LuminanceBits;
         else /* luminance probably stored as rgb texture */
            *params = MIN2(img->TexFormat->RedBits, img->TexFormat->GreenBits);
         break;
      case GL_TEXTURE_INDEX_SIZE_EXT:
         if (img->_BaseFormat == GL_COLOR_INDEX)
            *params = img->TexFormat->IndexBits;
         else
            *params = 0;
         break;
      case GL_TEXTURE_DEPTH_SIZE_ARB:
         if (ctx->Extensions.ARB_depth_texture)
            *params = img->TexFormat->DepthBits;
         else
            _mesa_error(ctx, GL_INVALID_ENUM,
                        "glGetTexLevelParameter[if]v(pname)");
         break;
      case GL_TEXTURE_STENCIL_SIZE_EXT:
         if (ctx->Extensions.EXT_packed_depth_stencil) {
            *params = img->TexFormat->StencilBits;
         }
         else {
            _mesa_error(ctx, GL_INVALID_ENUM,
                        "glGetTexLevelParameter[if]v(pname)");
         }
         break;

      /* GL_ARB_texture_compression */
      case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
         if (ctx->Extensions.ARB_texture_compression) {
            if (img->IsCompressed && !isProxy) {
               /* Don't use ctx->Driver.CompressedTextureSize() since that
                * may returned a padded hardware size.
                */
               *params = _mesa_compressed_texture_size(ctx, img->Width,
                                                   img->Height, img->Depth,
                                                   img->TexFormat->MesaFormat);
            }
            else {
               _mesa_error(ctx, GL_INVALID_OPERATION,
                           "glGetTexLevelParameter[if]v(pname)");
            }
         }
         else {
            _mesa_error(ctx, GL_INVALID_ENUM,
                        "glGetTexLevelParameter[if]v(pname)");
         }
         break;
      case GL_TEXTURE_COMPRESSED:
         if (ctx->Extensions.ARB_texture_compression) {
            *params = (GLint) img->IsCompressed;
         }
         else {
            _mesa_error(ctx, GL_INVALID_ENUM,
                        "glGetTexLevelParameter[if]v(pname)");
         }
         break;

      /* GL_ARB_texture_float */
      case GL_TEXTURE_RED_TYPE_ARB:
         if (ctx->Extensions.ARB_texture_float) {
            *params = img->TexFormat->RedBits ? img->TexFormat->DataType : GL_NONE;
         }
         else {
            _mesa_error(ctx, GL_INVALID_ENUM,
                        "glGetTexLevelParameter[if]v(pname)");
         }
         break;
      case GL_TEXTURE_GREEN_TYPE_ARB:
         if (ctx->Extensions.ARB_texture_float) {
            *params = img->TexFormat->GreenBits ? img->TexFormat->DataType : GL_NONE;
         }
         else {
            _mesa_error(ctx, GL_INVALID_ENUM,
                        "glGetTexLevelParameter[if]v(pname)");
         }
         break;
      case GL_TEXTURE_BLUE_TYPE_ARB:
         if (ctx->Extensions.ARB_texture_float) {
            *params = img->TexFormat->BlueBits ? img->TexFormat->DataType : GL_NONE;
         }
         else {
            _mesa_error(ctx, GL_INVALID_ENUM,
                        "glGetTexLevelParameter[if]v(pname)");
         }
         break;
      case GL_TEXTURE_ALPHA_TYPE_ARB:
         if (ctx->Extensions.ARB_texture_float) {
            *params = img->TexFormat->AlphaBits ? img->TexFormat->DataType : GL_NONE;
         }
         else {
            _mesa_error(ctx, GL_INVALID_ENUM,
                        "glGetTexLevelParameter[if]v(pname)");
         }
         break;
      case GL_TEXTURE_LUMINANCE_TYPE_ARB:
         if (ctx->Extensions.ARB_texture_float) {
            *params = img->TexFormat->LuminanceBits ? img->TexFormat->DataType : GL_NONE;
         }
         else {
            _mesa_error(ctx, GL_INVALID_ENUM,
                        "glGetTexLevelParameter[if]v(pname)");
         }
         break;
      case GL_TEXTURE_INTENSITY_TYPE_ARB:
         if (ctx->Extensions.ARB_texture_float) {
            *params = img->TexFormat->IntensityBits ? img->TexFormat->DataType : GL_NONE;
         }
         else {
            _mesa_error(ctx, GL_INVALID_ENUM,
                        "glGetTexLevelParameter[if]v(pname)");
         }
         break;
      case GL_TEXTURE_DEPTH_TYPE_ARB:
         if (ctx->Extensions.ARB_texture_float) {
            *params = img->TexFormat->DepthBits ? img->TexFormat->DataType : GL_NONE;
         }
         else {
            _mesa_error(ctx, GL_INVALID_ENUM,
                        "glGetTexLevelParameter[if]v(pname)");
         }
         break;

      default:
         _mesa_error(ctx, GL_INVALID_ENUM,
                     "glGetTexLevelParameter[if]v(pname)");
   }

 out:
   _mesa_unlock_texture(ctx, texObj);
}
Beispiel #2
0
/**
 * 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,
                        GLuint dims, GLenum target,
                        GLsizei levels, GLenum internalformat,
                        GLsizei width, GLsizei height, GLsizei depth,
                        bool dsa)
{
   const char* suffix = dsa ? "ture" : "";

   /* 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;
   }

   if (_mesa_is_compressed_format(ctx, internalformat)) {
      GLenum err;
      if (!_mesa_target_can_be_compressed(ctx, target, internalformat, &err)) {
         _mesa_error(ctx, err,
                  "glTex%sStorage%dD(internalformat = %s)", suffix, dims,
                  _mesa_enum_to_string(internalformat));
         return GL_TRUE;
      }
   }

   /* levels check */
   if (levels < 1) {
      _mesa_error(ctx, GL_INVALID_VALUE, "glTex%sStorage%uD(levels < 1)",
                  suffix, dims);
      return GL_TRUE;
   }

   /* check levels against maximum (note different error than above) */
   if (levels > (GLint) _mesa_max_texture_levels(ctx, target)) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glTex%sStorage%uD(levels too large)",
                  suffix, dims);
      return GL_TRUE;
   }

   /* check levels against width/height/depth */
   if (levels > _mesa_get_tex_max_num_levels(target, width, height, depth)) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glTex%sStorage%uD(too many levels"
                  " for max texture dimension)",
                  suffix, dims);
      return GL_TRUE;
   }

   /* non-default texture object check */
   if (!_mesa_is_proxy_texture(target) && (!texObj || (texObj->Name == 0))) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glTex%sStorage%uD(texture object 0)",
                  suffix, dims);
      return GL_TRUE;
   }

   /* Check if texObj->Immutable is set */
   if (!_mesa_is_proxy_texture(target) && texObj->Immutable) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glTex%sStorage%uD(immutable)",
                  suffix, dims);
      return GL_TRUE;
   }

   /* additional checks for depth textures */
   if (!_mesa_legal_texture_base_format_for_target(ctx, target, internalformat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glTex%sStorage%uD(bad target for texture)",
                  suffix, dims);
      return GL_TRUE;
   }

   return GL_FALSE;
}
Beispiel #3
0
void GLAPIENTRY
_mesa_GetTexLevelParameteriv( GLenum target, GLint level,
                              GLenum pname, GLint *params )
{
   const struct gl_texture_unit *texUnit;
   struct gl_texture_object *texObj;
   const struct gl_texture_image *img = NULL;
   GLint maxLevels;
   gl_format texFormat;
   GET_CURRENT_CONTEXT(ctx);
   ASSERT_OUTSIDE_BEGIN_END(ctx);

   if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glGetTexLevelParameteriv(current unit)");
      return;
   }

   texUnit = _mesa_get_current_tex_unit(ctx);

   /* this will catch bad target values */
   maxLevels = _mesa_max_texture_levels(ctx, target);
   if (maxLevels == 0) {
      _mesa_error(ctx, GL_INVALID_ENUM,
                  "glGetTexLevelParameter[if]v(target=0x%x)", target);
      return;
   }

   if (level < 0 || level >= maxLevels) {
      _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" );
      return;
   }

   texObj = _mesa_select_tex_object(ctx, texUnit, target);

   img = _mesa_select_tex_image(ctx, texObj, target, level);
   if (!img || !img->TexFormat) {
      /* undefined texture image */
      if (pname == GL_TEXTURE_COMPONENTS)
         *params = 1;
      else
         *params = 0;
      return;
   }

   texFormat = img->TexFormat;

   switch (pname) {
      case GL_TEXTURE_WIDTH:
         *params = img->Width;
         break;
      case GL_TEXTURE_HEIGHT:
         *params = img->Height;
         break;
      case GL_TEXTURE_DEPTH:
         *params = img->Depth;
         break;
      case GL_TEXTURE_INTERNAL_FORMAT:
         if (_mesa_is_format_compressed(texFormat)) {
            /* need to return the actual compressed format */
            *params = _mesa_compressed_format_to_glenum(ctx, texFormat);
         }
         else {
	    /* If the true internal format is not compressed but the user
	     * requested a generic compressed format, we have to return the
	     * generic base format that matches.
	     *
	     * From page 119 (page 129 of the PDF) of the OpenGL 1.3 spec:
	     *
	     *     "If no specific compressed format is available,
	     *     internalformat is instead replaced by the corresponding base
	     *     internal format."
	     *
	     * Otherwise just return the user's requested internal format
	     */
	    const GLenum f =
	       _mesa_gl_compressed_format_base_format(img->InternalFormat);

	    *params = (f != 0) ? f : img->InternalFormat;
	 }
         break;
      case GL_TEXTURE_BORDER:
         *params = img->Border;
         break;
      case GL_TEXTURE_RED_SIZE:
         if (img->_BaseFormat == GL_RED) {
            *params = _mesa_get_format_bits(texFormat, pname);
	    break;
	 }
	 /* FALLTHROUGH */
      case GL_TEXTURE_GREEN_SIZE:
         if (img->_BaseFormat == GL_RG) {
            *params = _mesa_get_format_bits(texFormat, pname);
	    break;
	 }
	 /* FALLTHROUGH */
      case GL_TEXTURE_BLUE_SIZE:
         if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
            *params = _mesa_get_format_bits(texFormat, pname);
         else
            *params = 0;
         break;
      case GL_TEXTURE_ALPHA_SIZE:
         if (img->_BaseFormat == GL_ALPHA ||
             img->_BaseFormat == GL_LUMINANCE_ALPHA ||
             img->_BaseFormat == GL_RGBA)
            *params = _mesa_get_format_bits(texFormat, pname);
         else
            *params = 0;
         break;
      case GL_TEXTURE_INTENSITY_SIZE:
         if (img->_BaseFormat != GL_INTENSITY)
            *params = 0;
         else {
            *params = _mesa_get_format_bits(texFormat, pname);
            if (*params == 0) {
               /* intensity probably stored as rgb texture */
               *params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE),
                              _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE));
            }
         }
         break;
      case GL_TEXTURE_LUMINANCE_SIZE:
         if (img->_BaseFormat != GL_LUMINANCE &&
             img->_BaseFormat != GL_LUMINANCE_ALPHA)
            *params = 0;
         else {
            *params = _mesa_get_format_bits(texFormat, pname);
            if (*params == 0) {
               /* luminance probably stored as rgb texture */
               *params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE),
                              _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE));
            }
         }
         break;
      case GL_TEXTURE_INDEX_SIZE_EXT:
         if (img->_BaseFormat == GL_COLOR_INDEX)
            *params = _mesa_get_format_bits(texFormat, pname);
         else
            *params = 0;
         break;
      case GL_TEXTURE_DEPTH_SIZE_ARB:
         if (ctx->Extensions.ARB_depth_texture)
            *params = _mesa_get_format_bits(texFormat, pname);
         else
            goto invalid_pname;
         break;
      case GL_TEXTURE_STENCIL_SIZE_EXT:
         if (ctx->Extensions.EXT_packed_depth_stencil ||
             ctx->Extensions.ARB_framebuffer_object) {
            *params = _mesa_get_format_bits(texFormat, pname);
         }
         else {
            goto invalid_pname;
         }
         break;
      case GL_TEXTURE_SHARED_SIZE:
         if (ctx->VersionMajor >= 3 ||
             ctx->Extensions.EXT_texture_shared_exponent) {
            *params = texFormat == MESA_FORMAT_RGB9_E5_FLOAT ? 5 : 0;
         }
         else {
            goto invalid_pname;
         }
         break;

      /* GL_ARB_texture_compression */
      case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
	 if (_mesa_is_format_compressed(texFormat) &&
             !_mesa_is_proxy_texture(target)) {
            *params = _mesa_format_image_size(texFormat, img->Width,
                                              img->Height, img->Depth);
	 }
	 else {
	    _mesa_error(ctx, GL_INVALID_OPERATION,
			"glGetTexLevelParameter[if]v(pname)");
	 }
         break;
      case GL_TEXTURE_COMPRESSED:
         *params = (GLint) _mesa_is_format_compressed(texFormat);
         break;

      /* GL_ARB_texture_float */
      case GL_TEXTURE_RED_TYPE_ARB:
         if (ctx->Extensions.ARB_texture_float) {
            *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE) ?
               _mesa_get_format_datatype(texFormat) : GL_NONE;
         }
         else {
            goto invalid_pname;
         }
         break;
      case GL_TEXTURE_GREEN_TYPE_ARB:
         if (ctx->Extensions.ARB_texture_float) {
            *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE) ?
               _mesa_get_format_datatype(texFormat) : GL_NONE;
         }
         else {
            goto invalid_pname;
         }
         break;
      case GL_TEXTURE_BLUE_TYPE_ARB:
         if (ctx->Extensions.ARB_texture_float) {
            *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_BLUE_SIZE) ?
               _mesa_get_format_datatype(texFormat) : GL_NONE;
         }
         else {
            goto invalid_pname;
         }
         break;
      case GL_TEXTURE_ALPHA_TYPE_ARB:
         if (ctx->Extensions.ARB_texture_float) {
            *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_ALPHA_SIZE) ?
               _mesa_get_format_datatype(texFormat) : GL_NONE;
         }
         else {
            goto invalid_pname;
         }
         break;
      case GL_TEXTURE_LUMINANCE_TYPE_ARB:
         if (ctx->Extensions.ARB_texture_float) {
            *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_LUMINANCE_SIZE) ?
               _mesa_get_format_datatype(texFormat) : GL_NONE;
         }
         else {
            goto invalid_pname;
         }
         break;
      case GL_TEXTURE_INTENSITY_TYPE_ARB:
         if (ctx->Extensions.ARB_texture_float) {
            *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_INTENSITY_SIZE) ?
               _mesa_get_format_datatype(texFormat) : GL_NONE;
         }
         else {
            goto invalid_pname;
         }
         break;
      case GL_TEXTURE_DEPTH_TYPE_ARB:
         if (ctx->Extensions.ARB_texture_float) {
            *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_DEPTH_SIZE) ?
               _mesa_get_format_datatype(texFormat) : GL_NONE;
         }
         else {
            goto invalid_pname;
         }
         break;

      default:
         goto invalid_pname;
   }

   /* no error if we get here */
   return;

invalid_pname:
   _mesa_error(ctx, GL_INVALID_ENUM,
               "glGetTexLevelParameter[if]v(pname=%s)",
               _mesa_lookup_enum_by_nr(pname));
}
Beispiel #4
0
void GLAPIENTRY
_mesa_GetTexLevelParameteriv( GLenum target, GLint level,
                              GLenum pname, GLint *params )
{
   struct gl_texture_object *texObj;
   const struct gl_texture_image *img = NULL;
   GLint maxLevels;
   gl_format texFormat;
   GET_CURRENT_CONTEXT(ctx);
   ASSERT_OUTSIDE_BEGIN_END(ctx);

   /* this will catch bad target values */
   maxLevels = _mesa_max_texture_levels(ctx, target);
   if (maxLevels == 0) {
      _mesa_error(ctx, GL_INVALID_ENUM,
                  "glGetTexLevelParameter[if]v(target=0x%x)", target);
      return;
   }

   if (level < 0 || level >= maxLevels) {
      _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" );
      return;
   }

   texObj = _mesa_select_tex_object(ctx, target);

   img = _mesa_select_tex_image(ctx, texObj, target, level);
   if (!img || img->TexFormat == MESA_FORMAT_NONE) {
      /* undefined texture image */
      if (pname == GL_TEXTURE_COMPONENTS)
         *params = 1;
      else
         *params = 0;
      return;
   }

   texFormat = img->TexFormat;

   switch (pname) {
      case GL_TEXTURE_WIDTH:
         *params = img->Width;
         break;
      case GL_TEXTURE_HEIGHT:
         *params = img->Height;
         break;
      case GL_TEXTURE_DEPTH:
         *params = img->Depth;
         break;
      case GL_TEXTURE_INTERNAL_FORMAT:
         *params = img->InternalFormat;
         break;
      case GL_TEXTURE_BORDER:
         *params = img->Border;
         break;
      case GL_TEXTURE_RED_SIZE:
      case GL_TEXTURE_GREEN_SIZE:
      case GL_TEXTURE_BLUE_SIZE:
      case GL_TEXTURE_ALPHA_SIZE:
         if (_mesa_base_format_has_channel(img->_BaseFormat, pname))
            *params = _mesa_get_format_bits(texFormat, pname);
         else
            *params = 0;
         break;
      case GL_TEXTURE_INTENSITY_SIZE:
      case GL_TEXTURE_LUMINANCE_SIZE:
         if (_mesa_base_format_has_channel(img->_BaseFormat, pname)) {
            *params = _mesa_get_format_bits(texFormat, pname);
            if (*params == 0) {
               /* intensity or luminance is probably stored as RGB[A] */
               *params = MIN2(_mesa_get_format_bits(texFormat,
                                                    GL_TEXTURE_RED_SIZE),
                              _mesa_get_format_bits(texFormat,
                                                    GL_TEXTURE_GREEN_SIZE));
            }
         }
         else {
            *params = 0;
         }
         break;

      /* GL_ARB_texture_float */
      case GL_TEXTURE_RED_TYPE_ARB:
      case GL_TEXTURE_GREEN_TYPE_ARB:
      case GL_TEXTURE_BLUE_TYPE_ARB:
      case GL_TEXTURE_ALPHA_TYPE_ARB:
      case GL_TEXTURE_LUMINANCE_TYPE_ARB:
      case GL_TEXTURE_INTENSITY_TYPE_ARB:
      case GL_TEXTURE_DEPTH_TYPE_ARB:
         if (!ctx->Extensions.ARB_texture_float)
            goto invalid_pname;
	 if (_mesa_base_format_has_channel(img->_BaseFormat, pname))
	    *params = _mesa_get_format_datatype(texFormat);
	 else
	    *params = GL_NONE;
         break;

      default:
         goto invalid_pname;
   }

   /* no error if we get here */
   return;

invalid_pname:
   _mesa_error(ctx, GL_INVALID_ENUM,
               "glGetTexLevelParameter[if]v(pname=%s)",
               _mesa_lookup_enum_by_nr(pname));
}
Beispiel #5
0
/**
 * 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, GLuint dims, GLenum target,
                        GLsizei levels, GLenum internalformat,
                        GLsizei width, GLsizei height, GLsizei depth)
{
   struct gl_texture_object *texObj;
   GLboolean legalFormat;

   /* check internal format - note that only sized formats are allowed */
   switch (internalformat) {
   case GL_ALPHA:
   case GL_LUMINANCE:
   case GL_LUMINANCE_ALPHA:
   case GL_INTENSITY:
   case GL_RED:
   case GL_RG:
   case GL_RGB:
   case GL_RGBA:
   case GL_BGRA:
   case GL_DEPTH_COMPONENT:
   case GL_DEPTH_STENCIL:
   case GL_COMPRESSED_ALPHA:
   case GL_COMPRESSED_LUMINANCE_ALPHA:
   case GL_COMPRESSED_LUMINANCE:
   case GL_COMPRESSED_INTENSITY:
   case GL_COMPRESSED_RGB:
   case GL_COMPRESSED_RGBA:
   case GL_COMPRESSED_SRGB:
   case GL_COMPRESSED_SRGB_ALPHA:
   case GL_COMPRESSED_SLUMINANCE:
   case GL_COMPRESSED_SLUMINANCE_ALPHA:
   case GL_RED_INTEGER:
   case GL_GREEN_INTEGER:
   case GL_BLUE_INTEGER:
   case GL_ALPHA_INTEGER:
   case GL_RGB_INTEGER:
   case GL_RGBA_INTEGER:
   case GL_BGR_INTEGER:
   case GL_BGRA_INTEGER:
   case GL_LUMINANCE_INTEGER_EXT:
   case GL_LUMINANCE_ALPHA_INTEGER_EXT:
      /* these unsized formats are illegal */
      legalFormat = GL_FALSE;
      break;
   default:
      legalFormat = _mesa_base_tex_format(ctx, internalformat) > 0;
   }

   if (!legalFormat) {
      _mesa_error(ctx, GL_INVALID_ENUM,
                  "glTexStorage%uD(internalformat = %s)", dims,
                  _mesa_lookup_enum_by_nr(internalformat));
      return GL_TRUE;
   }

   /* size check */
   if (width < 1 || height < 1 || depth < 1) {
      _mesa_error(ctx, GL_INVALID_VALUE,
                  "glTexStorage%uD(width, height or depth < 1)", dims);
      return GL_TRUE;
   }  

   /* target check */
   if (!legal_texobj_target(ctx, dims, target)) {
      _mesa_error(ctx, GL_INVALID_ENUM,
                  "glTexStorage%uD(illegal target=%s)",
                  dims, _mesa_lookup_enum_by_nr(target));
      return GL_TRUE;
   }

   /* levels check */
   if (levels < 1) {
      _mesa_error(ctx, GL_INVALID_VALUE, "glTexStorage%uD(levels < 1)",
                  dims);
      return GL_TRUE;
   }  

   /* check levels against maximum (note different error than above) */
   if (levels > (GLint) _mesa_max_texture_levels(ctx, target)) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glTexStorage%uD(levels too large)", dims);
      return GL_TRUE;
   }

   /* check levels against width/height/depth */
   if (levels > _mesa_get_tex_max_num_levels(target, width, height, depth)) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glTexStorage%uD(too many levels for max texture dimension)",
                  dims);
      return GL_TRUE;
   }

   /* non-default texture object check */
   texObj = _mesa_get_current_tex_object(ctx, target);
   if (!texObj || (texObj->Name == 0)) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glTexStorage%uD(texture object 0)", dims);
      return GL_TRUE;
   }

   /* Check if texObj->Immutable is set */
   if (texObj->Immutable) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glTexStorage%uD(immutable)",
                  dims);
      return GL_TRUE;
   }

   return GL_FALSE;
}
Beispiel #6
0
/**
 * Common code called by glFramebufferTexture1D/2D/3DEXT().
 */
static void
framebuffer_texture(GLcontext *ctx, const char *caller, GLenum target, 
                    GLenum attachment, GLenum textarget, GLuint texture,
                    GLint level, GLint zoffset)
{
   struct gl_renderbuffer_attachment *att;
   struct gl_texture_object *texObj = NULL;
   struct gl_framebuffer *fb;

   ASSERT_OUTSIDE_BEGIN_END(ctx);

   if (target != GL_FRAMEBUFFER_EXT) {
      _mesa_error(ctx, GL_INVALID_ENUM,
                  "glFramebufferTexture%sEXT(target)", caller);
      return;
   }

   fb = ctx->DrawBuffer;
   ASSERT(fb);

   /* check framebuffer binding */
   if (fb->Name == 0) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glFramebufferTexture%sEXT", caller);
      return;
   }


   /* The textarget, level, and zoffset parameters are only validated if
    * texture is non-zero.
    */
   if (texture) {
      GLboolean err = GL_TRUE;

      texObj = _mesa_lookup_texture(ctx, texture);
      if (texObj != NULL) {
         if (textarget == 0) {
            err = (texObj->Target != GL_TEXTURE_3D) &&
                (texObj->Target != GL_TEXTURE_1D_ARRAY_EXT) &&
                (texObj->Target != GL_TEXTURE_2D_ARRAY_EXT);
         }
         else {
            err = (texObj->Target == GL_TEXTURE_CUBE_MAP)
                ? !IS_CUBE_FACE(textarget)
                : (texObj->Target != textarget);
         }
      }

      if (err) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glFramebufferTexture%sEXT(texture target mismatch)",
                     caller);
         return;
      }

      if (texObj->Target == GL_TEXTURE_3D) {
         const GLint maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
         if (zoffset < 0 || zoffset >= maxSize) {
            _mesa_error(ctx, GL_INVALID_VALUE,
                        "glFramebufferTexture%sEXT(zoffset)", caller);
            return;
         }
      }
      else if ((texObj->Target == GL_TEXTURE_1D_ARRAY_EXT) ||
               (texObj->Target == GL_TEXTURE_2D_ARRAY_EXT)) {
         if (zoffset < 0 || zoffset >= ctx->Const.MaxArrayTextureLayers) {
            _mesa_error(ctx, GL_INVALID_VALUE,
                        "glFramebufferTexture%sEXT(layer)", caller);
            return;
         }
      }


      if ((level < 0) || 
          (level >= _mesa_max_texture_levels(ctx, texObj->Target))) {
         _mesa_error(ctx, GL_INVALID_VALUE,
                     "glFramebufferTexture%sEXT(level)", caller);
         return;
      }
   }

   att = _mesa_get_attachment(ctx, fb, attachment);
   if (att == NULL) {
      _mesa_error(ctx, GL_INVALID_ENUM,
                  "glFramebufferTexture%sEXT(attachment)", caller);
      return;
   }

   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
   /* The above doesn't fully flush the drivers in the way that a
    * glFlush does, but that is required here:
    */
   if (ctx->Driver.Flush)
      ctx->Driver.Flush(ctx);

   _glthread_LOCK_MUTEX(fb->Mutex);
   if (texObj) {
      _mesa_set_texture_attachment(ctx, fb, att, texObj, textarget,
                                   level, zoffset);
   }
   else {
      _mesa_remove_attachment(ctx, att);
   }
   _glthread_UNLOCK_MUTEX(fb->Mutex);
}
/**
 * Do error checking for a glGetTexImage() call.
 * \return GL_TRUE if any error, GL_FALSE if no errors.
 */
static GLboolean
getteximage_error_check(struct gl_context *ctx, GLenum target, GLint level,
                        GLenum format, GLenum type, GLsizei clientMemSize,
                        GLvoid *pixels )
{
   struct gl_texture_object *texObj;
   struct gl_texture_image *texImage;
   const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
   const GLuint dimensions = (target == GL_TEXTURE_3D) ? 3 : 2;
   GLenum baseFormat, err;

   if (!legal_getteximage_target(ctx, target)) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target=0x%x)", target);
      return GL_TRUE;
   }

   assert(maxLevels != 0);
   if (level < 0 || level >= maxLevels) {
      _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexImage(level)" );
      return GL_TRUE;
   }

   err = _mesa_error_check_format_and_type(ctx, format, type);
   if (err != GL_NO_ERROR) {
      _mesa_error(ctx, err, "glGetTexImage(format/type)");
      return GL_TRUE;
   }

   texObj = _mesa_get_current_tex_object(ctx, target);

   if (!texObj) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)");
      return GL_TRUE;
   }

   texImage = _mesa_select_tex_image(ctx, texObj, target, level);
   if (!texImage) {
      /* non-existant texture image */
      return GL_TRUE;
   }

   baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
      
   /* Make sure the requested image format is compatible with the
    * texture's format.
    */
   if (_mesa_is_color_format(format)
       && !_mesa_is_color_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
      return GL_TRUE;
   }
   else if (_mesa_is_depth_format(format)
            && !_mesa_is_depth_format(baseFormat)
            && !_mesa_is_depthstencil_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
      return GL_TRUE;
   }
   else if (_mesa_is_ycbcr_format(format)
            && !_mesa_is_ycbcr_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
      return GL_TRUE;
   }
   else if (_mesa_is_depthstencil_format(format)
            && !_mesa_is_depthstencil_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
      return GL_TRUE;
   }
   else if (_mesa_is_dudv_format(format)
            && !_mesa_is_dudv_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
      return GL_TRUE;
   }

   if (!_mesa_validate_pbo_access(dimensions, &ctx->Pack, texImage->Width,
                                  texImage->Height, texImage->Depth,
                                  format, type, clientMemSize, pixels)) {
      if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glGetTexImage(out of bounds PBO access)");
      } else {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glGetnTexImageARB(out of bounds access:"
                     " bufSize (%d) is too small)", clientMemSize);
      }
      return GL_TRUE;
   }

   if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
      /* PBO should not be mapped */
      if (_mesa_bufferobj_mapped(ctx->Pack.BufferObj)) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glGetTexImage(PBO is mapped)");
         return GL_TRUE;
      }
   }

   return GL_FALSE;
}
/**
 * Do error checking for a glGetCompressedTexImage() call.
 * \return GL_TRUE if any error, GL_FALSE if no errors.
 */
static GLboolean
getcompressedteximage_error_check(struct gl_context *ctx, GLenum target,
                                  GLint level, GLsizei clientMemSize, GLvoid *img)
{
   struct gl_texture_object *texObj;
   struct gl_texture_image *texImage;
   const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
   GLuint compressedSize;

   if (!legal_getteximage_target(ctx, target)) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImage(target=0x%x)",
                  target);
      return GL_TRUE;
   }

   assert(maxLevels != 0);
   if (level < 0 || level >= maxLevels) {
      _mesa_error(ctx, GL_INVALID_VALUE,
                  "glGetCompressedTexImageARB(bad level = %d)", level);
      return GL_TRUE;
   }

   texObj = _mesa_get_current_tex_object(ctx, target);
   if (!texObj) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB(target)");
      return GL_TRUE;
   }

   texImage = _mesa_select_tex_image(ctx, texObj, target, level);

   if (!texImage) {
      /* probably invalid mipmap level */
      _mesa_error(ctx, GL_INVALID_VALUE,
                  "glGetCompressedTexImageARB(level)");
      return GL_TRUE;
   }

   if (!_mesa_is_format_compressed(texImage->TexFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glGetCompressedTexImageARB(texture is not compressed)");
      return GL_TRUE;
   }

   compressedSize = _mesa_format_image_size(texImage->TexFormat,
                                            texImage->Width,
                                            texImage->Height,
                                            texImage->Depth);

   if (!_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
      /* do bounds checking on writing to client memory */
      if (clientMemSize < compressedSize) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glGetnCompressedTexImageARB(out of bounds access:"
                     " bufSize (%d) is too small)", clientMemSize);
         return GL_TRUE;
      }
   } else {
      /* do bounds checking on PBO write */
      if ((const GLubyte *) img + compressedSize >
          (const GLubyte *) ctx->Pack.BufferObj->Size) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glGetCompressedTexImage(out of bounds PBO access)");
         return GL_TRUE;
      }

      /* make sure PBO is not mapped */
      if (_mesa_bufferobj_mapped(ctx->Pack.BufferObj)) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glGetCompressedTexImage(PBO is mapped)");
         return GL_TRUE;
      }
   }

   return GL_FALSE;
}
Beispiel #9
0
/**
 * Do error checking for a glGetTexImage() call.
 * \return GL_TRUE if any error, GL_FALSE if no errors.
 */
static GLboolean
getteximage_error_check(GLcontext *ctx, GLenum target, GLint level,
                        GLenum format, GLenum type, GLvoid *pixels )
{
   struct gl_texture_object *texObj;
   struct gl_texture_image *texImage;
   const GLuint maxLevels = _mesa_max_texture_levels(ctx, target);
   GLenum baseFormat;

   if (maxLevels == 0) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target=0x%x)", target);
      return GL_TRUE;
   }

   if (level < 0 || level >= maxLevels) {
      _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexImage(level)" );
      return GL_TRUE;
   }

   if (_mesa_sizeof_packed_type(type) <= 0) {
      _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(type)" );
      return GL_TRUE;
   }

   if (_mesa_components_in_format(format) <= 0 ||
       format == GL_STENCIL_INDEX) {
      _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(format)" );
      return GL_TRUE;
   }

   if (!ctx->Extensions.EXT_paletted_texture && _mesa_is_index_format(format)) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
      return GL_TRUE;
   }

   if (!ctx->Extensions.ARB_depth_texture && _mesa_is_depth_format(format)) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
      return GL_TRUE;
   }

   if (!ctx->Extensions.MESA_ycbcr_texture && _mesa_is_ycbcr_format(format)) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
      return GL_TRUE;
   }

   if (!ctx->Extensions.EXT_packed_depth_stencil
       && _mesa_is_depthstencil_format(format)) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
      return GL_TRUE;
   }

   if (!ctx->Extensions.ATI_envmap_bumpmap
       && _mesa_is_dudv_format(format)) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
      return GL_TRUE;
   }

   texObj = _mesa_get_current_tex_object(ctx, target);

   if (!texObj || _mesa_is_proxy_texture(target)) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)");
      return GL_TRUE;
   }

   texImage = _mesa_select_tex_image(ctx, texObj, target, level);
   if (!texImage) {
      /* out of memory */
      return GL_TRUE;
   }

   baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
      
   /* Make sure the requested image format is compatible with the
    * texture's format.  Note that a color index texture can be converted
    * to RGBA so that combo is allowed.
    */
   if (_mesa_is_color_format(format)
       && !_mesa_is_color_format(baseFormat)
       && !_mesa_is_index_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
      return GL_TRUE;
   }
   else if (_mesa_is_index_format(format)
            && !_mesa_is_index_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
      return GL_TRUE;
   }
   else if (_mesa_is_depth_format(format)
            && !_mesa_is_depth_format(baseFormat)
            && !_mesa_is_depthstencil_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
      return GL_TRUE;
   }
   else if (_mesa_is_ycbcr_format(format)
            && !_mesa_is_ycbcr_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
      return GL_TRUE;
   }
   else if (_mesa_is_depthstencil_format(format)
            && !_mesa_is_depthstencil_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
      return GL_TRUE;
   }
   else if (_mesa_is_dudv_format(format)
            && !_mesa_is_dudv_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
      return GL_TRUE;
   }

   if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
      /* packing texture image into a PBO */
      const GLuint dimensions = (target == GL_TEXTURE_3D) ? 3 : 2;
      if (!_mesa_validate_pbo_access(dimensions, &ctx->Pack, texImage->Width,
                                     texImage->Height, texImage->Depth,
                                     format, type, pixels)) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glGetTexImage(out of bounds PBO write)");
         return GL_TRUE;
      }

      /* PBO should not be mapped */
      if (_mesa_bufferobj_mapped(ctx->Pack.BufferObj)) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glGetTexImage(PBO is mapped)");
         return GL_TRUE;
      }
   }

   return GL_FALSE;
}
Beispiel #10
0
/**
 * Do error checking for a glGetCompressedTexImage() call.
 * \return GL_TRUE if any error, GL_FALSE if no errors.
 */
static GLboolean
getcompressedteximage_error_check(GLcontext *ctx, GLenum target, GLint level,
                                  GLvoid *img)
{
   struct gl_texture_object *texObj;
   struct gl_texture_image *texImage;
   const GLuint maxLevels = _mesa_max_texture_levels(ctx, target);

   if (maxLevels == 0) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImage(target=0x%x)",
                  target);
      return GL_TRUE;
   }

   if (level < 0 || level >= maxLevels) {
      _mesa_error(ctx, GL_INVALID_VALUE,
                  "glGetCompressedTexImageARB(bad level = %d)", level);
      return GL_TRUE;
   }

   if (_mesa_is_proxy_texture(target)) {
      _mesa_error(ctx, GL_INVALID_ENUM,
                  "glGetCompressedTexImageARB(bad target = %s)",
                  _mesa_lookup_enum_by_nr(target));
      return GL_TRUE;
   }

   texObj = _mesa_get_current_tex_object(ctx, target);
   if (!texObj) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB(target)");
      return GL_TRUE;
   }

   texImage = _mesa_select_tex_image(ctx, texObj, target, level);

   if (!texImage) {
      /* probably invalid mipmap level */
      _mesa_error(ctx, GL_INVALID_VALUE,
                  "glGetCompressedTexImageARB(level)");
      return GL_TRUE;
   }

   if (!_mesa_is_format_compressed(texImage->TexFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glGetCompressedTexImageARB(texture is not compressed)");
      return GL_TRUE;
   }

   if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
      GLuint compressedSize;

      /* make sure PBO is not mapped */
      if (_mesa_bufferobj_mapped(ctx->Pack.BufferObj)) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glGetCompressedTexImage(PBO is mapped)");
         return GL_TRUE;
      }

      compressedSize = _mesa_format_image_size(texImage->TexFormat,
                                               texImage->Width,
                                               texImage->Height,
                                               texImage->Depth);

      /* do bounds checking on PBO write */
      if ((const GLubyte *) img + compressedSize >
          (const GLubyte *) ctx->Pack.BufferObj->Size) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glGetCompressedTexImage(out of bounds PBO write)");
         return GL_TRUE;
      }
   }

   return GL_FALSE;
}
Beispiel #11
0
/**
 * 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, GLuint dims, GLenum target,
                        GLsizei levels, GLenum internalformat,
                        GLsizei width, GLsizei height, GLsizei depth)
{
   const GLboolean isProxy = _mesa_is_proxy_texture(target);
   struct gl_texture_object *texObj;
   GLuint maxDim;

   /* size check */
   if (width < 1 || height < 1 || depth < 1) {
      if (!isProxy) {
         _mesa_error(ctx, GL_INVALID_VALUE,
                     "glTexStorage%uD(width, height or depth < 1)", dims);
      }
      return GL_TRUE;
   }  

   /* levels check */
   if (levels < 1 || height < 1 || depth < 1) {
      if (!isProxy) {
         _mesa_error(ctx, GL_INVALID_VALUE, "glTexStorage%uD(levels < 1)",
                     dims);
      }
      return GL_TRUE;
   }  

   /* target check */
   if (!legal_texobj_target(ctx, dims, target)) {
      _mesa_error(ctx, GL_INVALID_ENUM,
                  "glTexStorage%uD(illegal target=%s)",
                  dims, _mesa_lookup_enum_by_nr(target));
      return GL_TRUE;
   }

   /* check levels against maximum */
   if (levels > _mesa_max_texture_levels(ctx, target)) {
      if (!isProxy) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glTexStorage%uD(levels too large)", dims);
      }
      return GL_TRUE;
   }

   /* check levels against width/height/depth */
   maxDim = MAX3(width, height, depth);
   if (levels > _mesa_logbase2(maxDim) + 1) {
      if (!isProxy) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glTexStorage%uD(too many levels for max texture dimension)",
                     dims);
      }
      return GL_TRUE;
   }

   /* non-default texture object check */
   texObj = _mesa_get_current_tex_object(ctx, target);
   if (!texObj || (texObj->Name == 0 && !isProxy)) {
      if (!isProxy) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glTexStorage%uD(texture object 0)", dims);
      }
      return GL_TRUE;
   }

   /* Check if texObj->Immutable is set */
   if (texObj->Immutable) {
      if (!isProxy) {
         _mesa_error(ctx, GL_INVALID_OPERATION, "glTexStorage%uD(immutable)",
                     dims);
      }
      return GL_TRUE;
   }

   return GL_FALSE;
}
Beispiel #12
0
/**
 * Do error checking for a glGetTex(ture)Image() call.
 * \return GL_TRUE if any error, GL_FALSE if no errors.
 */
static GLboolean
getteximage_error_check(struct gl_context *ctx,
                        struct gl_texture_image *texImage,
                        GLenum target, GLint level,
                        GLenum format, GLenum type, GLsizei clientMemSize,
                        GLvoid *pixels, bool dsa)
{
   const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
   const GLuint dimensions = 2;
//   const GLuint dimensions = (target == GL_TEXTURE_3D) ? 3 : 2;
   GLenum baseFormat;
   const char *suffix = dsa ? "ture" : "";

   assert(texImage);
   assert(maxLevels != 0);
   if (level < 0 || level >= maxLevels) {
      _mesa_error(ctx, GL_INVALID_VALUE,
                  "glGetTex%sImage(level out of range)", suffix);
      return GL_TRUE;
   }

   /*
    * Format and type checking has been moved up to GetnTexImage and
    * GetTextureImage so that it happens before getting the texImage object.
    */

   baseFormat = _mesa_get_format_base_format(texImage->TexFormat);

   /* Make sure the requested image format is compatible with the
    * texture's format.
    */
   if (_mesa_is_color_format(format)
       && !_mesa_is_color_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glGetTex%sImage(format mismatch)", suffix);
      return GL_TRUE;
   }
   else if (_mesa_is_depth_format(format)
            && !_mesa_is_depth_format(baseFormat)
            && !_mesa_is_depthstencil_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glGetTex%sImage(format mismatch)", suffix);
      return GL_TRUE;
   }
   else if (_mesa_is_stencil_format(format)
            && !ctx->Extensions.ARB_texture_stencil8) {
      _mesa_error(ctx, GL_INVALID_ENUM,
                  "glGetTex%sImage(format=GL_STENCIL_INDEX)", suffix);
      return GL_TRUE;
   }
   else if (_mesa_is_ycbcr_format(format)
            && !_mesa_is_ycbcr_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glGetTex%sImage(format mismatch)", suffix);
      return GL_TRUE;
   }
   else if (_mesa_is_depthstencil_format(format)
            && !_mesa_is_depthstencil_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glGetTex%sImage(format mismatch)", suffix);
      return GL_TRUE;
   }
   else if (!_mesa_is_stencil_format(format) && _mesa_is_enum_format_integer(format) !=
            _mesa_is_format_integer(texImage->TexFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glGetTex%sImage(format mismatch)", suffix);
      return GL_TRUE;
   }

   if (!_mesa_validate_pbo_access(dimensions, &ctx->Pack, texImage->Width,
                                  texImage->Height, texImage->Depth,
                                  format, type, clientMemSize, pixels)) {
      if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glGetTex%sImage(out of bounds PBO access)", suffix);
      } else {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "%s(out of bounds access:"
                     " bufSize (%d) is too small)",
                     dsa ? "glGetTextureImage" : "glGetnTexImageARB",
                     clientMemSize);
      }
      return GL_TRUE;
   }

   if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
      /* PBO should not be mapped */
      if (_mesa_check_disallowed_mapping(ctx->Pack.BufferObj)) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glGetTex%sImage(PBO is mapped)", suffix);
         return GL_TRUE;
      }
   }

   return GL_FALSE;
}
Beispiel #13
0
/**
 * Do error checking for a glGetCompressedTexImage() call.
 * \return GL_TRUE if any error, GL_FALSE if no errors.
 */
static GLboolean
getcompressedteximage_error_check(struct gl_context *ctx,
                                  struct gl_texture_image *texImage,
                                  GLenum target,
                                  GLint level, GLsizei clientMemSize,
                                  GLvoid *img, bool dsa)
{
   const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
   GLuint compressedSize, dimensions;
   const char *suffix = dsa ? "ture" : "";

   assert(texImage);

   if (!legal_getteximage_target(ctx, target, dsa)) {
      _mesa_error(ctx, GL_INVALID_ENUM,
                  "glGetCompressedTex%sImage(target=%s)", suffix,
                  _mesa_lookup_enum_by_nr(target));
      return GL_TRUE;
   }

   assert(maxLevels != 0);
   if (level < 0 || level >= maxLevels) {
      _mesa_error(ctx, GL_INVALID_VALUE,
                  "glGetCompressedTex%sImage(bad level = %d)", suffix, level);
      return GL_TRUE;
   }

   if (!_mesa_is_format_compressed(texImage->TexFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glGetCompressedTex%sImage(texture is not compressed)",
                  suffix);
      return GL_TRUE;
   }

   compressedSize = _mesa_format_image_size(texImage->TexFormat,
                                            texImage->Width,
                                            texImage->Height,
                                            texImage->Depth);

   /* Check for invalid pixel storage modes */
   dimensions = _mesa_get_texture_dimensions(texImage->TexObject->Target);
   if (!_mesa_compressed_pixel_storage_error_check(ctx, dimensions,
                                              &ctx->Pack, dsa ?
                                              "glGetCompressedTextureImage":
                                              "glGetCompressedTexImage")) {
      return GL_TRUE;
   }

   if (!_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
      /* do bounds checking on writing to client memory */
      if (clientMemSize < (GLsizei) compressedSize) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "%s(out of bounds access: bufSize (%d) is too small)",
                     dsa ? "glGetCompressedTextureImage" :
                     "glGetnCompressedTexImageARB", clientMemSize);
         return GL_TRUE;
      }
   } else {
      /* do bounds checking on PBO write */
      if ((const GLubyte *) img + compressedSize >
          (const GLubyte *) ctx->Pack.BufferObj->Size) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glGetCompressedTex%sImage(out of bounds PBO access)",
                     suffix);
         return GL_TRUE;
      }

      /* make sure PBO is not mapped */
      if (_mesa_check_disallowed_mapping(ctx->Pack.BufferObj)) {
         _mesa_error(ctx, GL_INVALID_OPERATION,
                     "glGetCompressedTex%sImage(PBO is mapped)", suffix);
         return GL_TRUE;
      }
   }

   return GL_FALSE;
}
Beispiel #14
0
/**
 * 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, GLuint dims, GLenum target,
                        GLsizei levels, GLenum internalformat,
                        GLsizei width, GLsizei height, GLsizei depth)
{
   struct gl_texture_object *texObj;

   if (!_mesa_is_legal_tex_storage_format(ctx, internalformat)) {
      _mesa_error(ctx, GL_INVALID_ENUM,
                  "glTexStorage%uD(internalformat = %s)", dims,
                  _mesa_lookup_enum_by_nr(internalformat));
      return GL_TRUE;
   }

   /* size check */
   if (width < 1 || height < 1 || depth < 1) {
      _mesa_error(ctx, GL_INVALID_VALUE,
                  "glTexStorage%uD(width, height or depth < 1)", dims);
      return GL_TRUE;
   }  

   /* target check */
   if (!legal_texobj_target(ctx, dims, target)) {
      _mesa_error(ctx, GL_INVALID_ENUM,
                  "glTexStorage%uD(illegal target=%s)",
                  dims, _mesa_lookup_enum_by_nr(target));
      return GL_TRUE;
   }

   /* From section 3.8.6, page 146 of OpenGL ES 3.0 spec:
    *
    *    "The ETC2/EAC texture compression algorithm supports only
    *     two-dimensional images. If internalformat is an ETC2/EAC format,
    *     CompressedTexImage3D will generate an INVALID_OPERATION error if
    *     target is not TEXTURE_2D_ARRAY."
    *
    * This should also be applicable for glTexStorage3D().
    */
   if (_mesa_is_compressed_format(ctx, internalformat)
       && !_mesa_target_can_be_compressed(ctx, target, internalformat)) {
      _mesa_error(ctx, _mesa_is_desktop_gl(ctx)?
                  GL_INVALID_ENUM : GL_INVALID_OPERATION,
                  "glTexStorage3D(internalformat = %s)",
                  _mesa_lookup_enum_by_nr(internalformat));
   }

   /* levels check */
   if (levels < 1) {
      _mesa_error(ctx, GL_INVALID_VALUE, "glTexStorage%uD(levels < 1)",
                  dims);
      return GL_TRUE;
   }  

   /* check levels against maximum (note different error than above) */
   if (levels > (GLint) _mesa_max_texture_levels(ctx, target)) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glTexStorage%uD(levels too large)", dims);
      return GL_TRUE;
   }

   /* check levels against width/height/depth */
   if (levels > _mesa_get_tex_max_num_levels(target, width, height, depth)) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glTexStorage%uD(too many levels for max texture dimension)",
                  dims);
      return GL_TRUE;
   }

   /* non-default texture object check */
   texObj = _mesa_get_current_tex_object(ctx, target);
   if (!_mesa_is_proxy_texture(target) && (!texObj || (texObj->Name == 0))) {
      _mesa_error(ctx, GL_INVALID_OPERATION,
                  "glTexStorage%uD(texture object 0)", dims);
      return GL_TRUE;
   }

   /* Check if texObj->Immutable is set */
   if (!_mesa_is_proxy_texture(target) && texObj->Immutable) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glTexStorage%uD(immutable)",
                  dims);
      return GL_TRUE;
   }

   /* additional checks for depth textures */
   if (!_mesa_legal_texture_base_format_for_target(ctx, target, internalformat,
                                                   dims, "glTexStorage"))
      return GL_TRUE;

   return GL_FALSE;
}
Beispiel #15
0
/**
 * Do error checking for a glGetTexImage() call.
 * \return GL_TRUE if any error, GL_FALSE if no errors.
 */
static GLboolean
getteximage_error_check(struct gl_context *ctx, GLenum target, GLint level,
                        GLenum format, GLenum type, GLvoid *pixels )
{
   struct gl_texture_object *texObj;
   struct gl_texture_image *texImage;
   const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
   GLenum baseFormat, err;

   if (maxLevels == 0) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target=0x%x)", target);
      return GL_TRUE;
   }

   if (level < 0 || level >= maxLevels) {
      _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexImage(level)" );
      return GL_TRUE;
   }

   if (_mesa_sizeof_packed_type(type) <= 0) {
      _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(type)" );
      return GL_TRUE;
   }

   if (_mesa_components_in_format(format) <= 0 ||
       format == GL_STENCIL_INDEX ||
       format == GL_COLOR_INDEX) {
      _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(format)" );
      return GL_TRUE;
   }

   if (_mesa_is_depth_format(format)) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
      return GL_TRUE;
   }

   if (!ctx->Extensions.MESA_ycbcr_texture && _mesa_is_ycbcr_format(format)) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
      return GL_TRUE;
   }

   err = _mesa_error_check_format_and_type(ctx, format, type);
   if (err != GL_NO_ERROR) {
      _mesa_error(ctx, err, "glGetTexImage(format/type)");
      return GL_TRUE;
   }

   texObj = _mesa_select_tex_object(ctx, target);

   if (!texObj || _mesa_is_proxy_texture(target)) {
      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)");
      return GL_TRUE;
   }

   texImage = _mesa_select_tex_image(ctx, texObj, target, level);
   if (!texImage) {
      /* non-existant texture image */
      return GL_TRUE;
   }

   baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
      
   /* Make sure the requested image format is compatible with the
    * texture's format.
    */
   if (_mesa_is_color_format(format)
       && !_mesa_is_color_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
      return GL_TRUE;
   }
   else if (_mesa_is_depth_format(format)
            && !_mesa_is_depth_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
      return GL_TRUE;
   }
   else if (_mesa_is_ycbcr_format(format)
            && !_mesa_is_ycbcr_format(baseFormat)) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
      return GL_TRUE;
   }

   return GL_FALSE;
}