DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Header

Mercurial (e5ef045527c6)

VCS Links

Line Code
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 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "WebGLSampler.h"

#include "GLContext.h"
#include "mozilla/dom/WebGL2RenderingContextBinding.h"
#include "WebGLContext.h"

namespace mozilla {

WebGLSampler::WebGLSampler(WebGLContext* const webgl)
    : WebGLRefCountedObject(webgl), mGLName([&]() {
        GLuint ret = 0;
        webgl->gl->fGenSamplers(1, &ret);
        return ret;
      }()) {
  mContext->mSamplers.insertBack(this);
}

WebGLSampler::~WebGLSampler() { DeleteOnce(); }

void WebGLSampler::Delete() {
  mContext->gl->fDeleteSamplers(1, &mGLName);

  removeFrom(mContext->mSamplers);
}

WebGLContext* WebGLSampler::GetParentObject() const { return mContext; }

JSObject* WebGLSampler::WrapObject(JSContext* cx,
                                   JS::Handle<JSObject*> givenProto) {
  return dom::WebGLSampler_Binding::Wrap(cx, this, givenProto);
}

static bool ValidateSamplerParameterParams(WebGLContext* webgl, GLenum pname,
                                           const FloatOrInt& param) {
  const auto& paramInt = param.i;

  switch (pname) {
    case LOCAL_GL_TEXTURE_MIN_FILTER:
      switch (paramInt) {
        case LOCAL_GL_NEAREST:
        case LOCAL_GL_LINEAR:
        case LOCAL_GL_NEAREST_MIPMAP_NEAREST:
        case LOCAL_GL_NEAREST_MIPMAP_LINEAR:
        case LOCAL_GL_LINEAR_MIPMAP_NEAREST:
        case LOCAL_GL_LINEAR_MIPMAP_LINEAR:
          return true;

        default:
          break;
      }
      break;

    case LOCAL_GL_TEXTURE_MAG_FILTER:
      switch (paramInt) {
        case LOCAL_GL_NEAREST:
        case LOCAL_GL_LINEAR:
          return true;

        default:
          break;
      }
      break;

    case LOCAL_GL_TEXTURE_WRAP_S:
    case LOCAL_GL_TEXTURE_WRAP_T:
    case LOCAL_GL_TEXTURE_WRAP_R:
      switch (paramInt) {
        case LOCAL_GL_CLAMP_TO_EDGE:
        case LOCAL_GL_REPEAT:
        case LOCAL_GL_MIRRORED_REPEAT:
          return true;

        default:
          break;
      }
      break;

    case LOCAL_GL_TEXTURE_MIN_LOD:
    case LOCAL_GL_TEXTURE_MAX_LOD:
      return true;

    case LOCAL_GL_TEXTURE_COMPARE_MODE:
      switch (paramInt) {
        case LOCAL_GL_NONE:
        case LOCAL_GL_COMPARE_REF_TO_TEXTURE:
          return true;

        default:
          break;
      }
      break;

    case LOCAL_GL_TEXTURE_COMPARE_FUNC:
      switch (paramInt) {
        case LOCAL_GL_LEQUAL:
        case LOCAL_GL_GEQUAL:
        case LOCAL_GL_LESS:
        case LOCAL_GL_GREATER:
        case LOCAL_GL_EQUAL:
        case LOCAL_GL_NOTEQUAL:
        case LOCAL_GL_ALWAYS:
        case LOCAL_GL_NEVER:
          return true;

        default:
          break;
      }
      break;

    default:
      webgl->ErrorInvalidEnumInfo("pname", pname);
      return false;
  }

  webgl->ErrorInvalidEnumInfo("param", paramInt);
  return false;
}

void WebGLSampler::SamplerParameter(GLenum pname, const FloatOrInt& param) {
  if (!ValidateSamplerParameterParams(mContext, pname, param)) return;

  bool invalidate = true;
  switch (pname) {
    case LOCAL_GL_TEXTURE_MIN_FILTER:
      mState.minFilter = param.i;
      break;

    case LOCAL_GL_TEXTURE_MAG_FILTER:
      mState.magFilter = param.i;
      break;

    case LOCAL_GL_TEXTURE_WRAP_S:
      mState.wrapS = param.i;
      break;

    case LOCAL_GL_TEXTURE_WRAP_T:
      mState.wrapT = param.i;
      break;

    case LOCAL_GL_TEXTURE_COMPARE_MODE:
      mState.compareMode = param.i;
      break;

    default:
      invalidate = false;
      break;
  }

  if (invalidate) {
    InvalidateCaches();
  }

  ////

  if (param.isFloat) {
    mContext->gl->fSamplerParameterf(mGLName, pname, param.f);
  } else {
    mContext->gl->fSamplerParameteri(mGLName, pname, param.i);
  }
}

////

NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLSampler)
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLSampler, AddRef)
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLSampler, Release)

}  // namespace mozilla