static bool
copy_format_compatible(const struct gl_context *ctx,
GLenum srcFormat, GLenum dstFormat)
{
/*
* From ARB_copy_image spec:
* For the purposes of CopyImageSubData, two internal formats
* are considered compatible if any of the following conditions are
* met:
* * the formats are the same,
* * the formats are considered compatible according to the
* compatibility rules used for texture views as defined in
* section 3.9.X. In particular, if both internal formats are listed
* in the same entry of Table 3.X.2, they are considered compatible, or
* * one format is compressed and the other is uncompressed and
* Table 4.X.1 lists the two formats in the same row.
*/
if (_mesa_texture_view_compatible_format(ctx, srcFormat, dstFormat)) {
/* Also checks if formats are equal. */
return true;
} else if (_mesa_is_compressed_format(ctx, srcFormat)) {
return compressed_format_compatible(ctx, srcFormat, dstFormat);
} else if (_mesa_is_compressed_format(ctx, dstFormat)) {
return compressed_format_compatible(ctx, dstFormat, srcFormat);
}
return false;
}
/**
* 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;
}
static bool
compressed_format_compatible(const struct gl_context *ctx,
GLenum compressedFormat, GLenum otherFormat)
{
enum mesa_block_class compressedClass, otherClass;
/* Two view-incompatible compressed formats are never compatible. */
if (_mesa_is_compressed_format(ctx, otherFormat)) {
return false;
}
/*
* From ARB_copy_image spec:
* Table 4.X.1 (Compatible internal formats for copying between
* compressed and uncompressed internal formats)
* ---------------------------------------------------------------------
* | Texel / | Uncompressed | |
* | Block | internal format | Compressed internal format |
* | size | | |
* ---------------------------------------------------------------------
* | 128-bit | RGBA32UI, | COMPRESSED_RGBA_S3TC_DXT3_EXT, |
* | | RGBA32I, | COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT,|
* | | RGBA32F | COMPRESSED_RGBA_S3TC_DXT5_EXT, |
* | | | COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT,|
* | | | COMPRESSED_RG_RGTC2, |
* | | | COMPRESSED_SIGNED_RG_RGTC2, |
* | | | COMPRESSED_RGBA_BPTC_UNORM, |
* | | | COMPRESSED_SRGB_ALPHA_BPTC_UNORM, |
* | | | COMPRESSED_RGB_BPTC_SIGNED_FLOAT, |
* | | | COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT |
* ---------------------------------------------------------------------
* | 64-bit | RGBA16F, RG32F, | COMPRESSED_RGB_S3TC_DXT1_EXT, |
* | | RGBA16UI, RG32UI, | COMPRESSED_SRGB_S3TC_DXT1_EXT, |
* | | RGBA16I, RG32I, | COMPRESSED_RGBA_S3TC_DXT1_EXT, |
* | | RGBA16, | COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT,|
* | | RGBA16_SNORM | COMPRESSED_RED_RGTC1, |
* | | | COMPRESSED_SIGNED_RED_RGTC1 |
* ---------------------------------------------------------------------
*/
switch (compressedFormat) {
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
case GL_COMPRESSED_RG_RGTC2:
case GL_COMPRESSED_SIGNED_RG_RGTC2:
case GL_COMPRESSED_RGBA_BPTC_UNORM:
case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM:
case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT:
case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT:
compressedClass = BLOCK_CLASS_128_BITS;
break;
case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
case GL_COMPRESSED_RED_RGTC1:
case GL_COMPRESSED_SIGNED_RED_RGTC1:
compressedClass = BLOCK_CLASS_64_BITS;
break;
default:
return false;
}
switch (otherFormat) {
case GL_RGBA32UI:
case GL_RGBA32I:
case GL_RGBA32F:
otherClass = BLOCK_CLASS_128_BITS;
break;
case GL_RGBA16F:
case GL_RG32F:
case GL_RGBA16UI:
case GL_RG32UI:
case GL_RGBA16I:
case GL_RG32I:
case GL_RGBA16:
case GL_RGBA16_SNORM:
otherClass = BLOCK_CLASS_64_BITS;
break;
default:
return false;
}
return compressedClass == otherClass;
}
/**
* Choose an appropriate texture format given the format, type and
* internalFormat parameters passed to glTexImage().
*
* \param ctx the GL context.
* \param target a texture target (GL_TEXTURE_x)
* \param internalFormat user's prefered internal texture format.
* \param format incoming image pixel format.
* \param type incoming image data type.
*
* \return the closest mesa_format for the given format/type arguments
*
* This is called via dd_function_table::ChooseTextureFormat. Hardware
* drivers may override this function with a specialized version.
*/
mesa_format
_mesa_choose_tex_format(struct gl_context *ctx, GLenum target,
GLint internalFormat, GLenum format, GLenum type)
{
(void) format;
switch (internalFormat) {
/* shallow RGBA formats */
case 4:
case GL_RGBA:
if (type == GL_UNSIGNED_SHORT_4_4_4_4_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_B4G4R4A4_UNORM);
} else if (type == GL_UNSIGNED_SHORT_1_5_5_5_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_B5G5R5A1_UNORM);
} else if (type == GL_UNSIGNED_SHORT_5_5_5_1) {
RETURN_IF_SUPPORTED(MESA_FORMAT_B5G5R5A1_UNORM);
} else if (type == GL_UNSIGNED_INT_2_10_10_10_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UNORM);
}
/* fallthrough */
case GL_RGBA8:
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
case GL_RGB5_A1:
RETURN_IF_SUPPORTED(MESA_FORMAT_B5G5R5A1_UNORM);
break;
case GL_RGBA2:
RETURN_IF_SUPPORTED(MESA_FORMAT_A4R4G4B4_UNORM); /* just to test another format*/
RETURN_IF_SUPPORTED(MESA_FORMAT_B4G4R4A4_UNORM);
break;
case GL_RGBA4:
RETURN_IF_SUPPORTED(MESA_FORMAT_B4G4R4A4_UNORM);
break;
/* deep RGBA formats */
case GL_RGB10_A2:
RETURN_IF_SUPPORTED(MESA_FORMAT_R10G10B10A2_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
case GL_RGBA12:
case GL_RGBA16:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
/* shallow RGB formats */
case 3:
case GL_RGB:
if (type == GL_UNSIGNED_INT_2_10_10_10_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UNORM);
}
/* fallthrough */
case GL_RGB8:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8X8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_UNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
case GL_R3_G3_B2:
RETURN_IF_SUPPORTED(MESA_FORMAT_B2G3R3_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R5G6B5_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_UNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
case GL_RGB4:
RETURN_IF_SUPPORTED(MESA_FORMAT_R5G6B5_UNORM); /* just to test another format */
RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM);
break;
case GL_RGB5:
RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM);
break;
/* deep RGB formats */
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
/* Alpha formats */
case GL_ALPHA:
case GL_ALPHA4:
case GL_ALPHA8:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM);
break;
case GL_ALPHA12:
case GL_ALPHA16:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM);
break;
/* Luminance formats */
case 1:
case GL_LUMINANCE:
case GL_LUMINANCE4:
case GL_LUMINANCE8:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM8);
break;
case GL_LUMINANCE12:
case GL_LUMINANCE16:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM8);
break;
/* Luminance/Alpha formats */
case GL_LUMINANCE4_ALPHA4:
RETURN_IF_SUPPORTED(MESA_FORMAT_L4A4_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM);
break;
case 2:
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE6_ALPHA2:
case GL_LUMINANCE8_ALPHA8:
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM);
break;
case GL_LUMINANCE12_ALPHA4:
case GL_LUMINANCE12_ALPHA12:
case GL_LUMINANCE16_ALPHA16:
RETURN_IF_SUPPORTED(MESA_FORMAT_L16A16_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM);
break;
case GL_INTENSITY:
case GL_INTENSITY4:
case GL_INTENSITY8:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM8);
break;
case GL_INTENSITY12:
case GL_INTENSITY16:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM8);
break;
case GL_DEPTH_COMPONENT:
case GL_DEPTH_COMPONENT24:
case GL_DEPTH_COMPONENT32:
RETURN_IF_SUPPORTED(MESA_FORMAT_Z_UNORM32);
RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_X8_UINT);
RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_S8_UINT);
break;
case GL_DEPTH_COMPONENT16:
RETURN_IF_SUPPORTED(MESA_FORMAT_Z_UNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_X8_UINT);
RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_S8_UINT);
break;
case GL_COMPRESSED_ALPHA_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM);
break;
case GL_COMPRESSED_LUMINANCE_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM8);
break;
case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM);
break;
case GL_COMPRESSED_INTENSITY_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM8);
break;
case GL_COMPRESSED_RGB_ARB:
/* We don't use texture compression for 1D and 1D array textures.
* For 1D textures, compressions doesn't buy us much.
* For 1D ARRAY textures, there's complicated issues with updating
* sub-regions on non-block boundaries with glCopyTexSubImage, among
* other issues. FWIW, the GL_EXT_texture_array extension prohibits
* 1D ARRAY textures in S3TC format.
*/
if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY) {
if (ctx->Mesa_DXTn)
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1);
}
RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_UNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
case GL_COMPRESSED_RGBA_ARB:
/* We don't use texture compression for 1D and 1D array textures. */
if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY) {
if (ctx->Mesa_DXTn)
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3); /* Not rgba_dxt1, see spec */
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1);
}
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
case GL_RGB565:
RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM);
break;
case GL_YCBCR_MESA:
if (type == GL_UNSIGNED_SHORT_8_8_MESA)
RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR);
else
RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR_REV);
break;
case GL_ALPHA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_ALPHA32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_LUMINANCE16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_LUMINANCE32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_LUMINANCE_ALPHA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_LUMINANCE_ALPHA32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_INTENSITY16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_INTENSITY32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_RGB16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RGB32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_RGBA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RGBA32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_RGB9_E5:
/* GL_EXT_texture_shared_exponent -- just one format to support */
assert(ctx->TextureFormatSupported[MESA_FORMAT_R9G9B9E5_FLOAT]);
return MESA_FORMAT_R9G9B9E5_FLOAT;
case GL_R11F_G11F_B10F:
/* GL_EXT_texture_packed_float -- just one format to support */
assert(ctx->TextureFormatSupported[MESA_FORMAT_R11G11B10_FLOAT]);
return MESA_FORMAT_R11G11B10_FLOAT;
case GL_DEPTH_STENCIL_EXT:
case GL_DEPTH24_STENCIL8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_S8_UINT_Z24_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_S8_UINT);
break;
case GL_DEPTH_COMPONENT32F:
assert(ctx->TextureFormatSupported[MESA_FORMAT_Z_FLOAT32]);
return MESA_FORMAT_Z_FLOAT32;
case GL_DEPTH32F_STENCIL8:
assert(ctx->TextureFormatSupported[MESA_FORMAT_Z32_FLOAT_S8X24_UINT]);
return MESA_FORMAT_Z32_FLOAT_S8X24_UINT;
case GL_RED_SNORM:
case GL_R8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_SNORM8);
break;
case GL_RG_SNORM:
case GL_RG8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8_SNORM);
break;
case GL_RGB_SNORM:
case GL_RGB8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8X8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_X8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
break;
case GL_RGBA_SNORM:
case GL_RGBA8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_ALPHA_SNORM:
case GL_ALPHA8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_SNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_LUMINANCE_SNORM:
case GL_LUMINANCE8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_SNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_X8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_LUMINANCE_ALPHA_SNORM:
case GL_LUMINANCE8_ALPHA8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8L8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_INTENSITY_SNORM:
case GL_INTENSITY8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_SNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_R16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_SNORM16);
break;
case GL_RG16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_R16G16_SNORM);
break;
case GL_RGB16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_SNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SNORM16);
/* FALLTHROUGH */
case GL_RGBA16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_ALPHA16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_SNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_LUMINANCE16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_SNORM16);
/* FALLTHROUGH */
case GL_LUMINANCE16_ALPHA16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_INTENSITY16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_SNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_SRGB_EXT:
case GL_SRGB8_EXT:
/* there is no MESA_FORMAT_RGB_SRGB8 */
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8X8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_SRGB8);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_X8B8G8R8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
break;
case GL_SRGB_ALPHA_EXT:
case GL_SRGB8_ALPHA8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
break;
case GL_SLUMINANCE_EXT:
case GL_SLUMINANCE8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_SRGB8);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
break;
case GL_SLUMINANCE_ALPHA_EXT:
case GL_SLUMINANCE8_ALPHA8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8L8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
break;
case GL_COMPRESSED_SLUMINANCE_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_SRGB8);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
break;
case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8L8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
break;
case GL_COMPRESSED_SRGB_EXT:
if (ctx->Mesa_DXTn)
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1);
RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_SRGB8);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
break;
case GL_COMPRESSED_SRGB_ALPHA_EXT:
if (ctx->Mesa_DXTn)
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3); /* Not srgba_dxt1, see spec */
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
break;
case GL_ALPHA8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_ALPHA16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_ALPHA32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_ALPHA8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_SINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
break;
case GL_ALPHA16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_SINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
break;
case GL_ALPHA32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_SINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
break;
case GL_LUMINANCE8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_LUMINANCE16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_LUMINANCE32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_LUMINANCE8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_SINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
break;
case GL_LUMINANCE16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_SINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
break;
case GL_LUMINANCE32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_SINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
break;
case GL_LUMINANCE_ALPHA8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_LUMINANCE_ALPHA16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_LUMINANCE_ALPHA32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_LUMINANCE_ALPHA8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
break;
case GL_LUMINANCE_ALPHA16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
break;
case GL_LUMINANCE_ALPHA32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
break;
case GL_INTENSITY8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_INTENSITY16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_INTENSITY32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_INTENSITY8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_SINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
break;
case GL_INTENSITY16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_SINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
break;
case GL_INTENSITY32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_SINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
break;
case GL_RGB8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_RGB16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_RGB32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_RGB8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_SINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
break;
case GL_RGB16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_SINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
break;
case GL_RGB32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_SINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
break;
case GL_RGBA8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_RGBA16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_RGBA32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_RGBA8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
break;
case GL_RGBA16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
break;
case GL_RGBA32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
break;
case GL_R8:
case GL_RED:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_UNORM8);
break;
case GL_COMPRESSED_RED:
if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY)
RETURN_IF_SUPPORTED(MESA_FORMAT_R_RGTC1_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R_UNORM8);
break;
case GL_R16:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_UNORM16);
break;
case GL_RG:
case GL_RG8:
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8_UNORM);
break;
case GL_COMPRESSED_RG:
if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY)
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_RGTC2_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8_UNORM);
break;
case GL_RG16:
RETURN_IF_SUPPORTED(MESA_FORMAT_R16G16_UNORM);
break;
case GL_R16F:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_R32F:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_RG16F:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RG32F:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_R8UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT8);
break;
case GL_RG8UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT8);
break;
case GL_R16UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT16);
break;
case GL_RG16UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT16);
break;
case GL_R32UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT32);
break;
case GL_RG32UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT32);
break;
case GL_R8I:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_SINT8);
break;
case GL_RG8I:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_SINT8);
break;
case GL_R16I:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_SINT16);
break;
case GL_RG16I:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_SINT16);
break;
case GL_R32I:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_SINT32);
break;
case GL_RG32I:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_SINT32);
break;
case GL_RGB10_A2UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UINT);
RETURN_IF_SUPPORTED(MESA_FORMAT_R10G10B10A2_UINT);
break;
case GL_BGRA:
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
case GL_STENCIL_INDEX:
case GL_STENCIL_INDEX8:
RETURN_IF_SUPPORTED(MESA_FORMAT_S_UINT8);
break;
default:
/* For non-generic compressed format we assert two things:
*
* 1. The format has already been validated against the set of available
* extensions.
*
* 2. The driver only enables the extension if it supports all of the
* formats that are part of that extension.
*/
if (_mesa_is_compressed_format(ctx, internalFormat))
return _mesa_glenum_to_compressed_format(internalFormat);
}
_mesa_problem(ctx, "unexpected format %s in _mesa_choose_tex_format()",
_mesa_enum_to_string(internalFormat));
return MESA_FORMAT_NONE;
}
void GLAPIENTRY
_mesa_GetInternalformativ(GLenum target, GLenum internalformat, GLenum pname,
GLsizei bufSize, GLint *params)
{
GLint buffer[16];
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
/* ARB_internalformat_query is also mandatory for ARB_internalformat_query2 */
if (!(_mesa_has_ARB_internalformat_query(ctx) ||
_mesa_is_gles3(ctx))) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetInternalformativ");
return;
}
assert(ctx->Driver.QueryInternalFormat != NULL);
if (!_legal_parameters(ctx, target, internalformat, pname, bufSize, params))
return;
/* initialize the contents of the temporary buffer */
memcpy(buffer, params, MIN2(bufSize, 16) * sizeof(GLint));
/* Use the 'unsupported' response defined by the spec for every pname
* as the default answer.
*/
_set_default_response(pname, buffer);
if (!_is_target_supported(ctx, target) ||
!_is_internalformat_supported(ctx, target, internalformat) ||
!_is_resource_supported(ctx, target, internalformat, pname))
goto end;
switch (pname) {
case GL_SAMPLES:
/* fall-through */
case GL_NUM_SAMPLE_COUNTS:
/* The ARB_internalformat_query2 sets the response as 'unsupported' for
* SAMPLES and NUM_SAMPLE_COUNTS:
*
* "If <internalformat> is not color-renderable, depth-renderable, or
* stencil-renderable (as defined in section 4.4.4), or if <target>
* does not support multiple samples (ie other than
* TEXTURE_2D_MULTISAMPLE, TEXTURE_2D_MULTISAMPLE_ARRAY,
* or RENDERBUFFER)."
*/
if ((target != GL_RENDERBUFFER &&
target != GL_TEXTURE_2D_MULTISAMPLE &&
target != GL_TEXTURE_2D_MULTISAMPLE_ARRAY) ||
!_is_renderable(ctx, internalformat))
goto end;
/* The GL ES 3.0 specification, section 6.1.15 page 236 says:
*
* "Since multisampling is not supported for signed and unsigned
* integer internal formats, the value of NUM_SAMPLE_COUNTS will be
* zero for such formats.
*
* Since OpenGL ES 3.1 adds support for multisampled integer formats, we
* have to check the version for 30 exactly.
*/
if (pname == GL_NUM_SAMPLE_COUNTS && ctx->API == API_OPENGLES2 &&
ctx->Version == 30 && _mesa_is_enum_format_integer(internalformat)) {
goto end;
}
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_INTERNALFORMAT_SUPPORTED:
/* Having a supported <internalformat> is implemented as a prerequisite
* for all the <pnames>. Thus, if we reach this point, the internalformat is
* supported.
*/
buffer[0] = GL_TRUE;
break;
case GL_INTERNALFORMAT_PREFERRED:
/* The ARB_internalformat_query2 spec says:
*
* "- INTERNALFORMAT_PREFERRED: The implementation-preferred internal
* format for representing resources of the specified <internalformat> is
* returned in <params>.
*
* Therefore, we let the driver answer. Note that if we reach this
* point, it means that the internalformat is supported, so the driver
* is called just to try to get a preferred format. If not supported,
* GL_NONE was already returned and the driver is not called.
*/
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_INTERNALFORMAT_RED_SIZE:
case GL_INTERNALFORMAT_GREEN_SIZE:
case GL_INTERNALFORMAT_BLUE_SIZE:
case GL_INTERNALFORMAT_ALPHA_SIZE:
case GL_INTERNALFORMAT_DEPTH_SIZE:
case GL_INTERNALFORMAT_STENCIL_SIZE:
case GL_INTERNALFORMAT_SHARED_SIZE:
case GL_INTERNALFORMAT_RED_TYPE:
case GL_INTERNALFORMAT_GREEN_TYPE:
case GL_INTERNALFORMAT_BLUE_TYPE:
case GL_INTERNALFORMAT_ALPHA_TYPE:
case GL_INTERNALFORMAT_DEPTH_TYPE:
case GL_INTERNALFORMAT_STENCIL_TYPE: {
GLint baseformat;
mesa_format texformat;
if (target != GL_RENDERBUFFER) {
if (!_mesa_legal_get_tex_level_parameter_target(ctx, target, true))
goto end;
baseformat = _mesa_base_tex_format(ctx, internalformat);
} else {
baseformat = _mesa_base_fbo_format(ctx, internalformat);
}
/* Let the driver choose the texture format.
*
* Disclaimer: I am considering that drivers use for renderbuffers the
* same format-choice logic as for textures.
*/
texformat = ctx->Driver.ChooseTextureFormat(ctx, target, internalformat,
GL_NONE /*format */, GL_NONE /* type */);
if (texformat == MESA_FORMAT_NONE || baseformat <= 0)
goto end;
/* Implementation based on what Mesa does for glGetTexLevelParameteriv
* and glGetRenderbufferParameteriv functions.
*/
if (pname == GL_INTERNALFORMAT_SHARED_SIZE) {
if (_mesa_has_EXT_texture_shared_exponent(ctx) &&
target != GL_TEXTURE_BUFFER &&
target != GL_RENDERBUFFER &&
texformat == MESA_FORMAT_R9G9B9E5_FLOAT) {
buffer[0] = 5;
}
goto end;
}
if (!_mesa_base_format_has_channel(baseformat, pname))
goto end;
switch (pname) {
case GL_INTERNALFORMAT_DEPTH_SIZE:
if (ctx->API != API_OPENGL_CORE &&
!_mesa_has_ARB_depth_texture(ctx) &&
target != GL_RENDERBUFFER &&
target != GL_TEXTURE_BUFFER)
goto end;
/* fallthrough */
case GL_INTERNALFORMAT_RED_SIZE:
case GL_INTERNALFORMAT_GREEN_SIZE:
case GL_INTERNALFORMAT_BLUE_SIZE:
case GL_INTERNALFORMAT_ALPHA_SIZE:
case GL_INTERNALFORMAT_STENCIL_SIZE:
buffer[0] = _mesa_get_format_bits(texformat, pname);
break;
case GL_INTERNALFORMAT_DEPTH_TYPE:
if (!_mesa_has_ARB_texture_float(ctx))
goto end;
/* fallthrough */
case GL_INTERNALFORMAT_RED_TYPE:
case GL_INTERNALFORMAT_GREEN_TYPE:
case GL_INTERNALFORMAT_BLUE_TYPE:
case GL_INTERNALFORMAT_ALPHA_TYPE:
case GL_INTERNALFORMAT_STENCIL_TYPE:
buffer[0] = _mesa_get_format_datatype(texformat);
break;
default:
break;
}
break;
}
/* For WIDTH/HEIGHT/DEPTH/LAYERS there is no reason to think that the
* returned values should be different to the values returned by
* GetInteger with MAX_TEXTURE_SIZE, MAX_3D_TEXTURE_SIZE, etc.*/
case GL_MAX_WIDTH:
case GL_MAX_HEIGHT:
case GL_MAX_DEPTH: {
GLenum get_pname;
GLint dimensions;
GLint min_dimensions;
/* From query2:MAX_HEIGHT spec (as example):
*
* "If the resource does not have at least two dimensions, or if the
* resource is unsupported, zero is returned."
*/
dimensions = _get_target_dimensions(target);
min_dimensions = _get_min_dimensions(pname);
if (dimensions < min_dimensions)
goto end;
get_pname = _equivalent_size_pname(target, pname);
if (get_pname == 0)
goto end;
_mesa_GetIntegerv(get_pname, buffer);
break;
}
case GL_MAX_LAYERS:
if (!_mesa_has_EXT_texture_array(ctx))
goto end;
if (!_mesa_is_array_texture(target))
goto end;
_mesa_GetIntegerv(GL_MAX_ARRAY_TEXTURE_LAYERS, buffer);
break;
case GL_MAX_COMBINED_DIMENSIONS:{
GLint64 combined_value = 1;
GLenum max_dimensions_pnames[] = {
GL_MAX_WIDTH,
GL_MAX_HEIGHT,
GL_MAX_DEPTH,
GL_SAMPLES
};
unsigned i;
GLint current_value;
/* Combining the dimensions. Note that for array targets, this would
* automatically include the value of MAX_LAYERS, as that value is
* returned as MAX_HEIGHT or MAX_DEPTH */
for (i = 0; i < 4; i++) {
if (max_dimensions_pnames[i] == GL_SAMPLES &&
!_is_multisample_target(target))
continue;
_mesa_GetInternalformativ(target, internalformat,
max_dimensions_pnames[i],
1, ¤t_value);
if (current_value != 0)
combined_value *= current_value;
}
if (_mesa_is_cube_map_texture(target))
combined_value *= 6;
/* We pack the 64-bit value on two 32-bit values. Calling the 32-bit
* query, this would work as far as the value can be hold on a 32-bit
* signed integer. For the 64-bit query, the wrapper around the 32-bit
* query will unpack the value */
memcpy(buffer, &combined_value, sizeof(GLint64));
break;
}
case GL_COLOR_COMPONENTS:
/* The ARB_internalformat_query2 spec says:
*
* "- COLOR_COMPONENTS: If the internal format contains any color
* components (R, G, B, or A), TRUE is returned in <params>.
* If the internal format is unsupported or contains no color
* components, FALSE is returned."
*/
if (_mesa_is_color_format(internalformat))
buffer[0] = GL_TRUE;
break;
case GL_DEPTH_COMPONENTS:
/* The ARB_internalformat_query2 spec says:
*
* "- DEPTH_COMPONENTS: If the internal format contains a depth
* component (D), TRUE is returned in <params>. If the internal format
* is unsupported or contains no depth component, FALSE is returned."
*/
if (_mesa_is_depth_format(internalformat) ||
_mesa_is_depthstencil_format(internalformat))
buffer[0] = GL_TRUE;
break;
case GL_STENCIL_COMPONENTS:
/* The ARB_internalformat_query2 spec says:
*
* "- STENCIL_COMPONENTS: If the internal format contains a stencil
* component (S), TRUE is returned in <params>. If the internal format
* is unsupported or contains no stencil component, FALSE is returned.
*/
if (_mesa_is_stencil_format(internalformat) ||
_mesa_is_depthstencil_format(internalformat))
buffer[0] = GL_TRUE;
break;
case GL_COLOR_RENDERABLE:
case GL_DEPTH_RENDERABLE:
case GL_STENCIL_RENDERABLE:
if (!_is_renderable(ctx, internalformat))
goto end;
if (pname == GL_COLOR_RENDERABLE) {
if (!_mesa_is_color_format(internalformat))
goto end;
} else {
GLenum baseFormat = _mesa_base_fbo_format(ctx, internalformat);
if (baseFormat != GL_DEPTH_STENCIL &&
((pname == GL_DEPTH_RENDERABLE && baseFormat != GL_DEPTH_COMPONENT) ||
(pname == GL_STENCIL_RENDERABLE && baseFormat != GL_STENCIL_INDEX)))
goto end;
}
buffer[0] = GL_TRUE;
break;
case GL_FRAMEBUFFER_RENDERABLE_LAYERED:
if (!_mesa_has_EXT_texture_array(ctx) ||
_legal_target_for_framebuffer_texture_layer(ctx, target))
goto end;
/* fallthrough */
case GL_FRAMEBUFFER_RENDERABLE:
case GL_FRAMEBUFFER_BLEND:
if (!_mesa_has_ARB_framebuffer_object(ctx))
goto end;
if (target == GL_TEXTURE_BUFFER ||
!_is_renderable(ctx, internalformat))
goto end;
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_READ_PIXELS:
case GL_READ_PIXELS_FORMAT:
case GL_READ_PIXELS_TYPE:
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_TEXTURE_IMAGE_FORMAT:
case GL_GET_TEXTURE_IMAGE_FORMAT:
case GL_TEXTURE_IMAGE_TYPE:
case GL_GET_TEXTURE_IMAGE_TYPE:
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_MIPMAP:
case GL_MANUAL_GENERATE_MIPMAP:
case GL_AUTO_GENERATE_MIPMAP:
if (!_mesa_is_valid_generate_texture_mipmap_target(ctx, target) ||
!_mesa_is_valid_generate_texture_mipmap_internalformat(ctx,
internalformat)) {
goto end;
}
if (pname == GL_MIPMAP) {
buffer[0] = GL_TRUE;
goto end;
}
else if (pname == GL_MANUAL_GENERATE_MIPMAP) {
if (!_mesa_has_ARB_framebuffer_object(ctx))
goto end;
}
else {
/* From ARB_internalformat_query2:
* "Dependencies on OpenGL 3.2 (Core Profile)
* In core profiles for OpenGL 3.2 and later versions, queries
* for the AUTO_GENERATE_MIPMAP <pname> return the appropriate
* unsupported response."
*/
if (_mesa_is_desktop_gl(ctx) && ctx->Version >= 32)
goto end;
}
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_COLOR_ENCODING:
if (!_mesa_is_color_format(internalformat))
goto end;
if (_mesa_is_srgb_format(internalformat))
buffer[0] = GL_SRGB;
else
buffer[0] = GL_LINEAR;
break;
case GL_SRGB_READ:
if (!_mesa_has_EXT_texture_sRGB(ctx) ||
!_mesa_is_srgb_format(internalformat)) {
goto end;
}
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_SRGB_WRITE:
if (!_mesa_has_EXT_framebuffer_sRGB(ctx) ||
!_mesa_is_color_format(internalformat)) {
goto end;
}
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_SRGB_DECODE_ARB:
/* Presence of EXT_texture_sRGB_decode was already verified */
if (!_mesa_has_EXT_texture_sRGB(ctx) ||
target == GL_RENDERBUFFER ||
!_mesa_is_srgb_format(internalformat)) {
goto end;
}
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_FILTER:
/* If it doesn't allow to set sampler parameters then it would not allow
* to set a filter different to GL_NEAREST. In practice, this method
* only filters out MULTISAMPLE/MULTISAMPLE_ARRAY */
if (!_mesa_target_allows_setting_sampler_parameters(target))
goto end;
if (_mesa_is_enum_format_integer(internalformat))
goto end;
if (target == GL_TEXTURE_BUFFER)
goto end;
/* At this point we know that multi-texel filtering is supported. We
* need to call the driver to know if it is CAVEAT_SUPPORT or
* FULL_SUPPORT.
*/
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_VERTEX_TEXTURE:
case GL_TESS_CONTROL_TEXTURE:
case GL_TESS_EVALUATION_TEXTURE:
case GL_GEOMETRY_TEXTURE:
case GL_FRAGMENT_TEXTURE:
case GL_COMPUTE_TEXTURE:
if (target == GL_RENDERBUFFER)
goto end;
if ((pname == GL_TESS_CONTROL_TEXTURE ||
pname == GL_TESS_EVALUATION_TEXTURE) &&
!_mesa_has_tessellation(ctx))
goto end;
if (pname == GL_GEOMETRY_TEXTURE && !_mesa_has_geometry_shaders(ctx))
goto end;
if (pname == GL_COMPUTE_TEXTURE && !_mesa_has_compute_shaders(ctx))
goto end;
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_TEXTURE_GATHER:
case GL_TEXTURE_GATHER_SHADOW:
if (!_mesa_has_ARB_texture_gather(ctx))
goto end;
/* fallthrough */
case GL_TEXTURE_SHADOW:
/* Only depth or depth-stencil image formats make sense in shadow
samplers */
if (pname != GL_TEXTURE_GATHER &&
!_mesa_is_depth_format(internalformat) &&
!_mesa_is_depthstencil_format(internalformat))
goto end;
/* Validate the target for shadow and gather operations */
switch (target) {
case GL_TEXTURE_2D:
case GL_TEXTURE_2D_ARRAY:
case GL_TEXTURE_CUBE_MAP:
case GL_TEXTURE_CUBE_MAP_ARRAY:
case GL_TEXTURE_RECTANGLE:
break;
case GL_TEXTURE_1D:
case GL_TEXTURE_1D_ARRAY:
/* 1D and 1DArray textures are not admitted in gather operations */
if (pname != GL_TEXTURE_SHADOW)
goto end;
break;
default:
goto end;
}
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_SHADER_IMAGE_LOAD:
case GL_SHADER_IMAGE_STORE:
if (!_mesa_has_ARB_shader_image_load_store(ctx))
goto end;
/* We call to _mesa_is_shader_image_format_supported
* using "internalformat" as parameter, because the
* the ARB_internalformat_query2 spec says:
* "In this case the <internalformat> is the value of the <format>
* parameter that is passed to BindImageTexture."
*/
if (target == GL_RENDERBUFFER ||
!_mesa_is_shader_image_format_supported(ctx, internalformat))
goto end;
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_SHADER_IMAGE_ATOMIC:
if (!_mesa_has_ARB_shader_image_load_store(ctx))
goto end;
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_IMAGE_TEXEL_SIZE: {
mesa_format image_format;
if (!_mesa_has_ARB_shader_image_load_store(ctx) ||
target == GL_RENDERBUFFER)
goto end;
image_format = _mesa_get_shader_image_format(internalformat);
if (image_format == MESA_FORMAT_NONE)
goto end;
/* We return bits */
buffer[0] = (_mesa_get_format_bytes(image_format) * 8);
break;
}
case GL_IMAGE_COMPATIBILITY_CLASS:
if (!_mesa_has_ARB_shader_image_load_store(ctx) ||
target == GL_RENDERBUFFER)
goto end;
buffer[0] = _mesa_get_image_format_class(internalformat);
break;
case GL_IMAGE_PIXEL_FORMAT: {
GLint base_format;
if (!_mesa_has_ARB_shader_image_load_store(ctx) ||
target == GL_RENDERBUFFER ||
!_mesa_is_shader_image_format_supported(ctx, internalformat))
goto end;
base_format = _mesa_base_tex_format(ctx, internalformat);
if (base_format == -1)
goto end;
if (_mesa_is_enum_format_integer(internalformat))
buffer[0] = _mesa_base_format_to_integer_format(base_format);
else
buffer[0] = base_format;
break;
}
case GL_IMAGE_PIXEL_TYPE: {
mesa_format image_format;
GLenum datatype;
GLuint comps;
if (!_mesa_has_ARB_shader_image_load_store(ctx) ||
target == GL_RENDERBUFFER)
goto end;
image_format = _mesa_get_shader_image_format(internalformat);
if (image_format == MESA_FORMAT_NONE)
goto end;
_mesa_uncompressed_format_to_type_and_comps(image_format, &datatype,
&comps);
if (!datatype)
goto end;
buffer[0] = datatype;
break;
}
case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE: {
if (!_mesa_has_ARB_shader_image_load_store(ctx))
goto end;
if (!_mesa_legal_get_tex_level_parameter_target(ctx, target, true))
goto end;
/* From spec: "Equivalent to calling GetTexParameter with <value> set
* to IMAGE_FORMAT_COMPATIBILITY_TYPE."
*
* GetTexParameter just returns
* tex_obj->ImageFormatCompatibilityType. We create a fake tex_obj
* just with the purpose of getting the value.
*/
struct gl_texture_object *tex_obj = _mesa_new_texture_object(ctx, 0, target);
buffer[0] = tex_obj->ImageFormatCompatibilityType;
_mesa_delete_texture_object(ctx, tex_obj);
break;
}
case GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST:
case GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST:
case GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE:
case GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE:
if (target == GL_RENDERBUFFER)
goto end;
if (!_mesa_is_depthstencil_format(internalformat)) {
if (((pname == GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST ||
pname == GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE) &&
!_mesa_is_depth_format(internalformat)) ||
((pname == GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST ||
pname == GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE) &&
!_mesa_is_stencil_format(internalformat)))
goto end;
}
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_TEXTURE_COMPRESSED:
buffer[0] = _mesa_is_compressed_format(ctx, internalformat);
break;
case GL_TEXTURE_COMPRESSED_BLOCK_WIDTH:
case GL_TEXTURE_COMPRESSED_BLOCK_HEIGHT:
case GL_TEXTURE_COMPRESSED_BLOCK_SIZE: {
mesa_format mesaformat;
GLint block_size;
mesaformat = _mesa_glenum_to_compressed_format(internalformat);
if (mesaformat == MESA_FORMAT_NONE)
goto end;
block_size = _mesa_get_format_bytes(mesaformat);
assert(block_size > 0);
if (pname == GL_TEXTURE_COMPRESSED_BLOCK_SIZE) {
buffer[0] = block_size;
} else {
GLuint bwidth, bheight;
/* Returns the width and height in pixels. We return bytes */
_mesa_get_format_block_size(mesaformat, &bwidth, &bheight);
assert(bwidth > 0 && bheight > 0);
if (pname == GL_TEXTURE_COMPRESSED_BLOCK_WIDTH)
buffer[0] = block_size / bheight;
else
buffer[0] = block_size / bwidth;
}
break;
}
case GL_CLEAR_BUFFER:
if (target != GL_TEXTURE_BUFFER)
goto end;
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_TEXTURE_VIEW:
case GL_VIEW_COMPATIBILITY_CLASS:
if (!_mesa_has_ARB_texture_view(ctx) ||
target == GL_TEXTURE_BUFFER ||
target == GL_RENDERBUFFER)
goto end;
if (pname == GL_TEXTURE_VIEW) {
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
} else {
GLenum view_class = _mesa_texture_view_lookup_view_class(ctx,
internalformat);
if (view_class == GL_FALSE)
goto end;
buffer[0] = view_class;
}
break;
default:
unreachable("bad param");
}
end:
if (bufSize != 0 && params == NULL) {
/* Emit a warning to aid application debugging, but go ahead and do the
* memcpy (and probably crash) anyway.
*/
_mesa_warning(ctx,
"glGetInternalformativ(bufSize = %d, but params = NULL)",
bufSize);
}
/* Copy the data from the temporary buffer to the buffer supplied by the
* application. Clamp the size of the copy to the size supplied by the
* application.
*/
memcpy(params, buffer, MIN2(bufSize, 16) * sizeof(GLint));
return;
}
static bool
_is_resource_supported(struct gl_context *ctx, GLenum target,
GLenum internalformat, GLenum pname)
{
/* From the ARB_internalformat_query2 spec:
*
* In the following descriptions, the term /resource/ is used to generically
* refer to an object of the appropriate type that has been created with
* <internalformat> and <target>. If the particular <target> and
* <internalformat> combination do not make sense, ... the "unsupported"
* answer should be given. This is not an error.
*/
/* In the ARB_internalformat_query2 spec wording, some <pnames> do not care
* about the /resource/ being supported or not, we return 'true' for those.
*/
switch (pname) {
case GL_INTERNALFORMAT_SUPPORTED:
case GL_INTERNALFORMAT_PREFERRED:
case GL_COLOR_COMPONENTS:
case GL_DEPTH_COMPONENTS:
case GL_STENCIL_COMPONENTS:
case GL_COLOR_RENDERABLE:
case GL_DEPTH_RENDERABLE:
case GL_STENCIL_RENDERABLE:
return true;
default:
break;
}
switch(target){
case GL_TEXTURE_1D:
case GL_TEXTURE_1D_ARRAY:
case GL_TEXTURE_2D:
case GL_TEXTURE_2D_ARRAY:
case GL_TEXTURE_3D:
case GL_TEXTURE_CUBE_MAP:
case GL_TEXTURE_CUBE_MAP_ARRAY:
case GL_TEXTURE_RECTANGLE:
/* Based on what Mesa does for glTexImage1D/2D/3D and
* glCompressedTexImage1D/2D/3D functions.
*/
if (_mesa_base_tex_format(ctx, internalformat) < 0)
return false;
/* additional checks for depth textures */
if (!_mesa_legal_texture_base_format_for_target(ctx, target, internalformat))
return false;
/* additional checks for compressed textures */
if (_mesa_is_compressed_format(ctx, internalformat) &&
(!_mesa_target_can_be_compressed(ctx, target, internalformat, NULL) ||
_mesa_format_no_online_compression(ctx, internalformat)))
return false;
break;
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
/* Based on what Mesa does for glTexImage2D/3DMultisample,
* glTexStorage2D/3DMultisample and
* glTextureStorage2D/3DMultisample functions.
*/
if (!_mesa_is_renderable_texture_format(ctx, internalformat))
return false;
break;
case GL_TEXTURE_BUFFER:
/* Based on what Mesa does for the glTexBuffer function. */
if (_mesa_validate_texbuffer_format(ctx, internalformat) ==
MESA_FORMAT_NONE)
return false;
break;
case GL_RENDERBUFFER:
/* Based on what Mesa does for glRenderbufferStorage(Multisample) and
* glNamedRenderbufferStorage functions.
*/
if (!_mesa_base_fbo_format(ctx, internalformat))
return false;
break;
default:
unreachable("bad target");
}
return true;
}
/**
* 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;
}
