File: webgl_compressed_texture_s3tc_srgb.cc

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (40 lines) | stat: -rw-r--r-- 1,495 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/modules/webgl/webgl_compressed_texture_s3tc_srgb.h"

#include "third_party/blink/renderer/modules/webgl/webgl_rendering_context_base.h"

namespace blink {

WebGLCompressedTextureS3TCsRGB::WebGLCompressedTextureS3TCsRGB(
    WebGLRenderingContextBase* context)
    : WebGLExtension(context) {
  context->ExtensionsUtil()->EnsureExtensionEnabled(
      "GL_EXT_texture_compression_s3tc_srgb");

  // TODO(kainino): update these with _EXT versions once
  // GL_EXT_compressed_texture_s3tc_srgb is ratified
  context->AddCompressedTextureFormat(GL_COMPRESSED_SRGB_S3TC_DXT1_NV);
  context->AddCompressedTextureFormat(GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_NV);
  context->AddCompressedTextureFormat(GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_NV);
  context->AddCompressedTextureFormat(GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_NV);
}

WebGLExtensionName WebGLCompressedTextureS3TCsRGB::GetName() const {
  return kWebGLCompressedTextureS3TCsRGBName;
}

bool WebGLCompressedTextureS3TCsRGB::Supported(
    WebGLRenderingContextBase* context) {
  Extensions3DUtil* extensions_util = context->ExtensionsUtil();
  return extensions_util->SupportsExtension(
      "GL_EXT_texture_compression_s3tc_srgb");
}

const char* WebGLCompressedTextureS3TCsRGB::ExtensionName() {
  return "WEBGL_compressed_texture_s3tc_srgb";
}

}  // namespace blink