return format;
}
-/**
- * Return the simple base format for a given internal texture format.
- * For example, given GL_LUMINANCE12_ALPHA4, return GL_LUMINANCE_ALPHA.
- *
- * \param ctx GL context.
- * \param internalFormat the internal texture format token or 1, 2, 3, or 4.
- *
- * \return the corresponding \u base internal format (GL_ALPHA, GL_LUMINANCE,
- * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA), or -1 if invalid enum.
- *
- * This is the format which is used during texture application (i.e. the
- * texture format and env mode determine the arithmetic used.
- */
-GLint
-_mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat )
-{
- switch (internalFormat) {
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- case GL_ALPHA12:
- case GL_ALPHA16:
- return (ctx->API != API_OPENGL_CORE) ? GL_ALPHA : -1;
- case 1:
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- return (ctx->API != API_OPENGL_CORE) ? GL_LUMINANCE : -1;
- case 2:
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE4_ALPHA4:
- case GL_LUMINANCE6_ALPHA2:
- case GL_LUMINANCE8_ALPHA8:
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
- return (ctx->API != API_OPENGL_CORE) ? GL_LUMINANCE_ALPHA : -1;
- case GL_INTENSITY:
- case GL_INTENSITY4:
- case GL_INTENSITY8:
- case GL_INTENSITY12:
- case GL_INTENSITY16:
- return (ctx->API != API_OPENGL_CORE) ? GL_INTENSITY : -1;
- case 3:
- return (ctx->API != API_OPENGL_CORE) ? GL_RGB : -1;
- case GL_RGB:
- case GL_R3_G3_B2:
- case GL_RGB4:
- case GL_RGB5:
- case GL_RGB8:
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- return GL_RGB;
- case 4:
- return (ctx->API != API_OPENGL_CORE) ? GL_RGBA : -1;
- case GL_RGBA:
- case GL_RGBA2:
- case GL_RGBA4:
- case GL_RGB5_A1:
- case GL_RGBA8:
- case GL_RGB10_A2:
- case GL_RGBA12:
- case GL_RGBA16:
- return GL_RGBA;
- default:
- ; /* fallthrough */
- }
-
- /* GL_BGRA can be an internal format *only* in OpenGL ES (1.x or 2.0).
- */
- if (_mesa_is_gles(ctx)) {
- switch (internalFormat) {
- case GL_BGRA:
- return GL_RGBA;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.ARB_ES2_compatibility) {
- switch (internalFormat) {
- case GL_RGB565:
- return GL_RGB;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.ARB_depth_texture) {
- switch (internalFormat) {
- case GL_DEPTH_COMPONENT:
- case GL_DEPTH_COMPONENT16:
- case GL_DEPTH_COMPONENT24:
- case GL_DEPTH_COMPONENT32:
- return GL_DEPTH_COMPONENT;
- case GL_DEPTH_STENCIL:
- case GL_DEPTH24_STENCIL8:
- return GL_DEPTH_STENCIL;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.ARB_texture_stencil8) {
- switch (internalFormat) {
- case GL_STENCIL_INDEX:
- case GL_STENCIL_INDEX1:
- case GL_STENCIL_INDEX4:
- case GL_STENCIL_INDEX8:
- case GL_STENCIL_INDEX16:
- return GL_STENCIL_INDEX;
- default:
- ; /* fallthrough */
- }
- }
-
- switch (internalFormat) {
- case GL_COMPRESSED_ALPHA:
- return GL_ALPHA;
- case GL_COMPRESSED_LUMINANCE:
- return GL_LUMINANCE;
- case GL_COMPRESSED_LUMINANCE_ALPHA:
- return GL_LUMINANCE_ALPHA;
- case GL_COMPRESSED_INTENSITY:
- return GL_INTENSITY;
- case GL_COMPRESSED_RGB:
- return GL_RGB;
- case GL_COMPRESSED_RGBA:
- return GL_RGBA;
- default:
- ; /* fallthrough */
- }
-
- if (_mesa_is_compressed_format(ctx, internalFormat)) {
- GLenum base_compressed =
- _mesa_gl_compressed_format_base_format(internalFormat);
- if (base_compressed)
- return base_compressed;
- }
-
- if (ctx->Extensions.MESA_ycbcr_texture) {
- if (internalFormat == GL_YCBCR_MESA)
- return GL_YCBCR_MESA;
- }
-
- if (ctx->Extensions.ARB_texture_float) {
- switch (internalFormat) {
- case GL_ALPHA16F_ARB:
- case GL_ALPHA32F_ARB:
- return GL_ALPHA;
- case GL_RGBA16F_ARB:
- case GL_RGBA32F_ARB:
- return GL_RGBA;
- case GL_RGB16F_ARB:
- case GL_RGB32F_ARB:
- return GL_RGB;
- case GL_INTENSITY16F_ARB:
- case GL_INTENSITY32F_ARB:
- return GL_INTENSITY;
- case GL_LUMINANCE16F_ARB:
- case GL_LUMINANCE32F_ARB:
- return GL_LUMINANCE;
- case GL_LUMINANCE_ALPHA16F_ARB:
- case GL_LUMINANCE_ALPHA32F_ARB:
- return GL_LUMINANCE_ALPHA;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.EXT_texture_snorm) {
- switch (internalFormat) {
- case GL_RED_SNORM:
- case GL_R8_SNORM:
- case GL_R16_SNORM:
- return GL_RED;
- case GL_RG_SNORM:
- case GL_RG8_SNORM:
- case GL_RG16_SNORM:
- return GL_RG;
- case GL_RGB_SNORM:
- case GL_RGB8_SNORM:
- case GL_RGB16_SNORM:
- return GL_RGB;
- case GL_RGBA_SNORM:
- case GL_RGBA8_SNORM:
- case GL_RGBA16_SNORM:
- return GL_RGBA;
- case GL_ALPHA_SNORM:
- case GL_ALPHA8_SNORM:
- case GL_ALPHA16_SNORM:
- return GL_ALPHA;
- case GL_LUMINANCE_SNORM:
- case GL_LUMINANCE8_SNORM:
- case GL_LUMINANCE16_SNORM:
- return GL_LUMINANCE;
- case GL_LUMINANCE_ALPHA_SNORM:
- case GL_LUMINANCE8_ALPHA8_SNORM:
- case GL_LUMINANCE16_ALPHA16_SNORM:
- return GL_LUMINANCE_ALPHA;
- case GL_INTENSITY_SNORM:
- case GL_INTENSITY8_SNORM:
- case GL_INTENSITY16_SNORM:
- return GL_INTENSITY;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.EXT_texture_sRGB) {
- switch (internalFormat) {
- case GL_SRGB_EXT:
- case GL_SRGB8_EXT:
- case GL_COMPRESSED_SRGB_EXT:
- return GL_RGB;
- case GL_SRGB_ALPHA_EXT:
- case GL_SRGB8_ALPHA8_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_EXT:
- return GL_RGBA;
- case GL_SLUMINANCE_ALPHA_EXT:
- case GL_SLUMINANCE8_ALPHA8_EXT:
- case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
- return GL_LUMINANCE_ALPHA;
- case GL_SLUMINANCE_EXT:
- case GL_SLUMINANCE8_EXT:
- case GL_COMPRESSED_SLUMINANCE_EXT:
- return GL_LUMINANCE;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Version >= 30 ||
- ctx->Extensions.EXT_texture_integer) {
- switch (internalFormat) {
- case GL_RGBA8UI_EXT:
- case GL_RGBA16UI_EXT:
- case GL_RGBA32UI_EXT:
- case GL_RGBA8I_EXT:
- case GL_RGBA16I_EXT:
- case GL_RGBA32I_EXT:
- case GL_RGB10_A2UI:
- return GL_RGBA;
- case GL_RGB8UI_EXT:
- case GL_RGB16UI_EXT:
- case GL_RGB32UI_EXT:
- case GL_RGB8I_EXT:
- case GL_RGB16I_EXT:
- case GL_RGB32I_EXT:
- return GL_RGB;
- }
- }
-
- if (ctx->Extensions.EXT_texture_integer) {
- switch (internalFormat) {
- case GL_ALPHA8UI_EXT:
- case GL_ALPHA16UI_EXT:
- case GL_ALPHA32UI_EXT:
- case GL_ALPHA8I_EXT:
- case GL_ALPHA16I_EXT:
- case GL_ALPHA32I_EXT:
- return GL_ALPHA;
- case GL_INTENSITY8UI_EXT:
- case GL_INTENSITY16UI_EXT:
- case GL_INTENSITY32UI_EXT:
- case GL_INTENSITY8I_EXT:
- case GL_INTENSITY16I_EXT:
- case GL_INTENSITY32I_EXT:
- return GL_INTENSITY;
- case GL_LUMINANCE8UI_EXT:
- case GL_LUMINANCE16UI_EXT:
- case GL_LUMINANCE32UI_EXT:
- case GL_LUMINANCE8I_EXT:
- case GL_LUMINANCE16I_EXT:
- case GL_LUMINANCE32I_EXT:
- return GL_LUMINANCE;
- case GL_LUMINANCE_ALPHA8UI_EXT:
- case GL_LUMINANCE_ALPHA16UI_EXT:
- case GL_LUMINANCE_ALPHA32UI_EXT:
- case GL_LUMINANCE_ALPHA8I_EXT:
- case GL_LUMINANCE_ALPHA16I_EXT:
- case GL_LUMINANCE_ALPHA32I_EXT:
- return GL_LUMINANCE_ALPHA;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.ARB_texture_rg) {
- switch (internalFormat) {
- case GL_R16F:
- case GL_R32F:
- if (!ctx->Extensions.ARB_texture_float)
- break;
- return GL_RED;
- case GL_R8I:
- case GL_R8UI:
- case GL_R16I:
- case GL_R16UI:
- case GL_R32I:
- case GL_R32UI:
- if (ctx->Version < 30 && !ctx->Extensions.EXT_texture_integer)
- break;
- /* FALLTHROUGH */
- case GL_R8:
- case GL_R16:
- case GL_RED:
- case GL_COMPRESSED_RED:
- return GL_RED;
-
- case GL_RG16F:
- case GL_RG32F:
- if (!ctx->Extensions.ARB_texture_float)
- break;
- return GL_RG;
- case GL_RG8I:
- case GL_RG8UI:
- case GL_RG16I:
- case GL_RG16UI:
- case GL_RG32I:
- case GL_RG32UI:
- if (ctx->Version < 30 && !ctx->Extensions.EXT_texture_integer)
- break;
- /* FALLTHROUGH */
- case GL_RG:
- case GL_RG8:
- case GL_RG16:
- case GL_COMPRESSED_RG:
- return GL_RG;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.EXT_texture_shared_exponent) {
- switch (internalFormat) {
- case GL_RGB9_E5_EXT:
- return GL_RGB;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.EXT_packed_float) {
- switch (internalFormat) {
- case GL_R11F_G11F_B10F_EXT:
- return GL_RGB;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.ARB_depth_buffer_float) {
- switch (internalFormat) {
- case GL_DEPTH_COMPONENT32F:
- return GL_DEPTH_COMPONENT;
- case GL_DEPTH32F_STENCIL8:
- return GL_DEPTH_STENCIL;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.KHR_texture_compression_astc_ldr &&
- _mesa_is_astc_format(internalFormat))
- return GL_RGBA;
-
- return -1; /* error */
-}
-
-
/**
* For cube map faces, return a face index in [0,5].
* For other targets return 0;
break;
case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
case GL_TEXTURE_CUBE_MAP_ARRAY:
- /* 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,
- * glCompressedTexImage3D will generate an INVALID_OPERATION error if
- * target is not TEXTURE_2D_ARRAY."
- *
- * This should also be applicable for glTexStorage3D(). Other available
- * targets for these functions are: TEXTURE_3D and TEXTURE_CUBE_MAP_ARRAY.
- */
- if (layout == MESA_FORMAT_LAYOUT_ETC2 && _mesa_is_gles3(ctx))
- return write_error(error, GL_INVALID_OPERATION);
-
- target_can_be_compresed = ctx->Extensions.ARB_texture_cube_map_array;
-
/* From the KHR_texture_compression_astc_hdr spec:
*
* Add a second new column "3D Tex." which is empty for all non-ASTC
* 8.19 is *not* checked'
*
* The instances of <internalformat> above should say <target>.
+ *
+ * ETC2/EAC formats are the only alternative in GLES and thus such errors
+ * have already been handled by normal ETC2/EAC behavior.
*/
- /* Throw an INVALID_OPERATION error if the target is
- * TEXTURE_CUBE_MAP_ARRAY and the format is not ASTC.
+ /* 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,
+ * glCompressedTexImage3D will generate an INVALID_OPERATION error if
+ * target is not TEXTURE_2D_ARRAY."
+ *
+ * This should also be applicable for glTexStorage3D(). Other available
+ * targets for these functions are: TEXTURE_3D and TEXTURE_CUBE_MAP_ARRAY.
*/
- if (target_can_be_compresed &&
- ctx->Extensions.KHR_texture_compression_astc_ldr &&
- layout != MESA_FORMAT_LAYOUT_ASTC)
- return write_error(error, GL_INVALID_OPERATION);
-
+ if (layout == MESA_FORMAT_LAYOUT_ETC2 && _mesa_is_gles3(ctx))
+ return write_error(error, GL_INVALID_OPERATION);
+ target_can_be_compresed = ctx->Extensions.ARB_texture_cube_map_array;
break;
case GL_TEXTURE_3D:
switch (layout) {
return write_error(error, GL_INVALID_OPERATION);
break;
default:
- /* Throw an INVALID_OPERATION error if the target is TEXTURE_3D and
- * the format is not ASTC.
- * See comment in switch case GL_TEXTURE_CUBE_MAP_ARRAY for more info.
- */
- if (ctx->Extensions.KHR_texture_compression_astc_ldr)
- return write_error(error, GL_INVALID_OPERATION);
break;
}
default:
}
}
else {
- err = _mesa_es_error_check_format_and_type(format, type, dimensions);
+ err = _mesa_es_error_check_format_and_type(ctx, format, type, dimensions);
if (err != GL_NO_ERROR) {
_mesa_error(ctx, err, "%s(format = %s, type = %s)",
callerName, _mesa_enum_to_string(format),
return GL_TRUE;
}
- /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
- * combinations of format, internalFormat, and type that can be used.
- * Formats and types that require additional extensions (e.g., GL_FLOAT
- * requires GL_OES_texture_float) are filtered elsewhere.
- */
- if (_mesa_is_gles(ctx) &&
- texture_format_error_check_gles(ctx, format, type, internalFormat,
- dimensions, "glTexImage%dD")) {
- return GL_TRUE;
+ /* Check incoming image format and type */
+ err = _mesa_error_check_format_and_type(ctx, format, type);
+ if (err != GL_NO_ERROR) {
+ /* Prior to OpenGL-ES 2.0, an INVALID_VALUE is expected instead of
+ * INVALID_ENUM. From page 73 OpenGL ES 1.1 spec:
+ *
+ * "Specifying a value for internalformat that is not one of the
+ * above (acceptable) values generates the error INVALID VALUE."
+ */
+ if (err == GL_INVALID_ENUM && _mesa_is_gles(ctx) && ctx->Version < 20)
+ err = GL_INVALID_VALUE;
+
+ _mesa_error(ctx, err,
+ "glTexImage%dD(incompatible format = %s, type = %s)",
+ dimensions, _mesa_enum_to_string(format),
+ _mesa_enum_to_string(type));
+ return GL_TRUE;
}
/* Check internalFormat */
return GL_TRUE;
}
- /* Check incoming image format and type */
- err = _mesa_error_check_format_and_type(ctx, format, type);
- if (err != GL_NO_ERROR) {
- _mesa_error(ctx, err,
- "glTexImage%dD(incompatible format = %s, type = %s)",
- dimensions, _mesa_enum_to_string(format),
- _mesa_enum_to_string(type));
+ /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
+ * combinations of format, internalFormat, and type that can be used.
+ * Formats and types that require additional extensions (e.g., GL_FLOAT
+ * requires GL_OES_texture_float) are filtered elsewhere.
+ */
+ if (_mesa_is_gles(ctx) &&
+ texture_format_error_check_gles(ctx, format, type, internalFormat,
+ dimensions, "glTexImage%dD")) {
return GL_TRUE;
}
* if <imageSize> is not consistent with the format, dimensions, and
* contents of the specified image.
*/
- reason = "imageSize inconsistant with width/height/format";
+ reason = "imageSize inconsistent with width/height/format";
error = GL_INVALID_VALUE;
goto error;
}
_mesa_enum_to_string(internalFormat));
return GL_TRUE;
}
+ } else {
+ /*
+ * Section 8.6 (Alternate Texture Image Specification Commands) of the
+ * OpenGL 4.5 (Compatibility Profile) spec says:
+ *
+ * "Parameters level, internalformat, and border are specified using
+ * the same values, with the same meanings, as the corresponding
+ * arguments of TexImage2D, except that internalformat may not be
+ * specified as 1, 2, 3, or 4."
+ */
+ if (internalFormat >= 1 && internalFormat <= 4) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glCopyTexImage%dD(internalFormat=%d)", dimensions,
+ internalFormat);
+ return GL_TRUE;
+ }
}
baseFormat = _mesa_base_tex_format(ctx, internalFormat);
if (!_mesa_source_buffer_exists(ctx, texImage->_BaseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "%s(missing readbuffer, format=0x%x)", caller,
- texImage->_BaseFormat);
+ "%s(missing readbuffer, format=%s)", caller,
+ _mesa_enum_to_string(texImage->_BaseFormat));
return GL_TRUE;
}
if ((GLint) format != texImage->InternalFormat) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "%s(format=0x%x)",
- callerName, format);
+ "%s(format=%s)",
+ callerName, _mesa_enum_to_string(format));
return GL_TRUE;
}
if (compressedteximage_only_format(ctx, format)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "%s(format=0x%x cannot be updated)",
- callerName, format);
+ "%s(format=%s cannot be updated)",
+ callerName, _mesa_enum_to_string(format));
return GL_TRUE;
}
format = _mesa_validate_texbuffer_format(ctx, internalFormat);
if (format == MESA_FORMAT_NONE) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "%s(internalFormat 0x%x)", caller, internalFormat);
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalFormat %s)",
+ caller, _mesa_enum_to_string(internalFormat));
return;
}
projects / mesa.git / blobdiff