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      1 /*
      2  * Copyright (C) 2010 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 
     28 #include "core/platform/graphics/Extensions3D.h"
     29 
     30 #include "core/platform/NotImplemented.h"
     31 #include "core/platform/graphics/GraphicsContext3D.h"
     32 #include "public/platform/WebGraphicsContext3D.h"
     33 #include "wtf/text/CString.h"
     34 
     35 namespace WebCore {
     36 
     37 Extensions3D::Extensions3D(GraphicsContext3D* context)
     38     : m_context(context)
     39 {
     40 }
     41 
     42 Extensions3D::~Extensions3D()
     43 {
     44 }
     45 
     46 bool Extensions3D::supports(const String& name)
     47 {
     48     return m_context->supportsExtension(name);
     49 }
     50 
     51 void Extensions3D::ensureEnabled(const String& name)
     52 {
     53     bool result = m_context->ensureExtensionEnabled(name);
     54     ASSERT_UNUSED(result, result);
     55 }
     56 
     57 bool Extensions3D::isEnabled(const String& name)
     58 {
     59     return m_context->isExtensionEnabled(name);
     60 }
     61 
     62 int Extensions3D::getGraphicsResetStatusARB()
     63 {
     64     return static_cast<int>(m_context->webContext()->getGraphicsResetStatusARB());
     65 }
     66 
     67 void Extensions3D::blitFramebuffer(long srcX0, long srcY0, long srcX1, long srcY1, long dstX0, long dstY0, long dstX1, long dstY1, unsigned long mask, unsigned long filter)
     68 {
     69     m_context->webContext()->blitFramebufferCHROMIUM(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
     70 }
     71 
     72 void Extensions3D::renderbufferStorageMultisample(unsigned long target, unsigned long samples, unsigned long internalformat, unsigned long width, unsigned long height)
     73 {
     74     m_context->webContext()->renderbufferStorageMultisampleCHROMIUM(target, samples, internalformat, width, height);
     75 }
     76 
     77 void* Extensions3D::mapBufferSubDataCHROMIUM(unsigned target, int offset, int size, unsigned access)
     78 {
     79     return m_context->webContext()->mapBufferSubDataCHROMIUM(target, offset, size, access);
     80 }
     81 
     82 void Extensions3D::unmapBufferSubDataCHROMIUM(const void* data)
     83 {
     84     m_context->webContext()->unmapBufferSubDataCHROMIUM(data);
     85 }
     86 
     87 void* Extensions3D::mapTexSubImage2DCHROMIUM(unsigned target, int level, int xoffset, int yoffset, int width, int height, unsigned format, unsigned type, unsigned access)
     88 {
     89     return m_context->webContext()->mapTexSubImage2DCHROMIUM(target, level, xoffset, yoffset, width, height, format, type, access);
     90 }
     91 
     92 void Extensions3D::unmapTexSubImage2DCHROMIUM(const void* data)
     93 {
     94     m_context->webContext()->unmapTexSubImage2DCHROMIUM(data);
     95 }
     96 
     97 Platform3DObject Extensions3D::createVertexArrayOES()
     98 {
     99     return m_context->webContext()->createVertexArrayOES();
    100 }
    101 
    102 void Extensions3D::deleteVertexArrayOES(Platform3DObject array)
    103 {
    104     m_context->webContext()->deleteVertexArrayOES(array);
    105 }
    106 
    107 GC3Dboolean Extensions3D::isVertexArrayOES(Platform3DObject array)
    108 {
    109     return m_context->webContext()->isVertexArrayOES(array);
    110 }
    111 
    112 void Extensions3D::bindVertexArrayOES(Platform3DObject array)
    113 {
    114     m_context->webContext()->bindVertexArrayOES(array);
    115 }
    116 
    117 String Extensions3D::getTranslatedShaderSourceANGLE(Platform3DObject shader)
    118 {
    119     return m_context->webContext()->getTranslatedShaderSourceANGLE(shader);
    120 }
    121 
    122 void Extensions3D::rateLimitOffscreenContextCHROMIUM()
    123 {
    124     m_context->webContext()->rateLimitOffscreenContextCHROMIUM();
    125 }
    126 
    127 void Extensions3D::paintFramebufferToCanvas(int framebuffer, int width, int height, bool premultiplyAlpha, ImageBuffer* imageBuffer)
    128 {
    129     m_context->paintFramebufferToCanvas(framebuffer, width, height, premultiplyAlpha, imageBuffer);
    130 }
    131 
    132 void Extensions3D::texImageIOSurface2DCHROMIUM(unsigned target, int width, int height, uint32_t ioSurfaceId, unsigned plane)
    133 {
    134     m_context->webContext()->texImageIOSurface2DCHROMIUM(target, width, height, ioSurfaceId, plane);
    135 }
    136 
    137 void Extensions3D::texStorage2DEXT(unsigned int target, int levels, unsigned int internalFormat, int width, int height)
    138 {
    139     m_context->webContext()->texStorage2DEXT(target, levels, internalFormat, width, height);
    140 }
    141 
    142 Platform3DObject Extensions3D::createQueryEXT()
    143 {
    144     return m_context->webContext()->createQueryEXT();
    145 }
    146 
    147 void Extensions3D::deleteQueryEXT(Platform3DObject query)
    148 {
    149     m_context->webContext()->deleteQueryEXT(query);
    150 }
    151 
    152 GC3Dboolean Extensions3D::isQueryEXT(Platform3DObject query)
    153 {
    154     return m_context->webContext()->isQueryEXT(query);
    155 }
    156 
    157 void Extensions3D::beginQueryEXT(GC3Denum target, Platform3DObject query)
    158 {
    159     m_context->webContext()->beginQueryEXT(target, query);
    160 }
    161 
    162 void Extensions3D::endQueryEXT(GC3Denum target)
    163 {
    164     m_context->webContext()->endQueryEXT(target);
    165 }
    166 
    167 void Extensions3D::getQueryivEXT(GC3Denum target, GC3Denum pname, GC3Dint* params)
    168 {
    169     m_context->webContext()->getQueryivEXT(target, pname, params);
    170 }
    171 
    172 void Extensions3D::getQueryObjectuivEXT(Platform3DObject query, GC3Denum pname, GC3Duint* params)
    173 {
    174     m_context->webContext()->getQueryObjectuivEXT(query, pname, params);
    175 }
    176 
    177 bool Extensions3D::canUseCopyTextureCHROMIUM(GC3Denum destFormat, GC3Denum destType, GC3Dint level)
    178 {
    179     // FIXME: restriction of (RGB || RGBA)/UNSIGNED_BYTE/(Level 0) should be lifted when
    180     // WebGraphicsContext3D::copyTextureCHROMIUM(...) are fully functional.
    181     if ((destFormat == GraphicsContext3D::RGB || destFormat == GraphicsContext3D::RGBA)
    182         && destType == GraphicsContext3D::UNSIGNED_BYTE
    183         && !level)
    184         return true;
    185     return false;
    186 }
    187 
    188 void Extensions3D::copyTextureCHROMIUM(GC3Denum target, Platform3DObject sourceId, Platform3DObject destId, GC3Dint level, GC3Denum internalFormat, GC3Denum destType)
    189 {
    190     m_context->webContext()->copyTextureCHROMIUM(target, sourceId, destId, level, internalFormat, destType);
    191 }
    192 
    193 void Extensions3D::shallowFlushCHROMIUM()
    194 {
    195     return m_context->webContext()->shallowFlushCHROMIUM();
    196 }
    197 
    198 void Extensions3D::insertEventMarkerEXT(const String& marker)
    199 {
    200     m_context->webContext()->insertEventMarkerEXT(marker.utf8().data());
    201 }
    202 
    203 void Extensions3D::pushGroupMarkerEXT(const String& marker)
    204 {
    205     m_context->webContext()->pushGroupMarkerEXT(marker.utf8().data());
    206 }
    207 
    208 void Extensions3D::popGroupMarkerEXT(void)
    209 {
    210     m_context->webContext()->popGroupMarkerEXT();
    211 }
    212 
    213 void Extensions3D::drawBuffersEXT(GC3Dsizei n, const GC3Denum* bufs)
    214 {
    215     m_context->webContext()->drawBuffersEXT(n, bufs);
    216 }
    217 
    218 void Extensions3D::drawArraysInstancedANGLE(GC3Denum mode, GC3Dint first, GC3Dsizei count, GC3Dsizei primcount)
    219 {
    220     m_context->webContext()->drawArraysInstancedANGLE(mode, first, count, primcount);
    221 }
    222 
    223 void Extensions3D::drawElementsInstancedANGLE(GC3Denum mode, GC3Dsizei count, GC3Denum type, GC3Dintptr offset, GC3Dsizei primcount)
    224 {
    225     m_context->webContext()->drawElementsInstancedANGLE(mode, count, type, offset, primcount);
    226 }
    227 
    228 void Extensions3D::vertexAttribDivisorANGLE(GC3Duint index, GC3Duint divisor)
    229 {
    230     m_context->webContext()->vertexAttribDivisorANGLE(index, divisor);
    231 }
    232 
    233 void Extensions3D::loseContextCHROMIUM(GC3Denum current, GC3Denum other)
    234 {
    235     m_context->webContext()->loseContextCHROMIUM(current, other);
    236 }
    237 
    238 } // namespace WebCore
    239