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C++ GrGLContextInfo::isMesa方法代码示例

本文整理汇总了C++中GrGLContextInfo::isMesa方法的典型用法代码示例。如果您正苦于以下问题:C++ GrGLContextInfo::isMesa方法的具体用法?C++ GrGLContextInfo::isMesa怎么用?C++ GrGLContextInfo::isMesa使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在GrGLContextInfo的用法示例。


在下文中一共展示了GrGLContextInfo::isMesa方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: init

bool GrGLCaps::init(const GrGLContextInfo& ctxInfo, const GrGLInterface* gli) {

    this->reset();
    if (!ctxInfo.isInitialized()) {
        return false;
    }

    GrGLStandard standard = ctxInfo.standard();
    GrGLVersion version = ctxInfo.version();

    /**************************************************************************
     * Caps specific to GrGLCaps
     **************************************************************************/

    if (kGLES_GrGLStandard == standard) {
        GR_GL_GetIntegerv(gli, GR_GL_MAX_FRAGMENT_UNIFORM_VECTORS,
                          &fMaxFragmentUniformVectors);
    } else {
        SkASSERT(kGL_GrGLStandard == standard);
        GrGLint max;
        GR_GL_GetIntegerv(gli, GR_GL_MAX_FRAGMENT_UNIFORM_COMPONENTS, &max);
        fMaxFragmentUniformVectors = max / 4;
        if (version >= GR_GL_VER(3, 2)) {
            GrGLint profileMask;
            GR_GL_GetIntegerv(gli, GR_GL_CONTEXT_PROFILE_MASK, &profileMask);
            fIsCoreProfile = SkToBool(profileMask & GR_GL_CONTEXT_CORE_PROFILE_BIT);
        }
        if (!fIsCoreProfile) {
            GR_GL_GetIntegerv(gli, GR_GL_MAX_TEXTURE_COORDS, &fMaxFixedFunctionTextureCoords);
            // Sanity check
            SkASSERT(fMaxFixedFunctionTextureCoords > 0 && fMaxFixedFunctionTextureCoords < 128);
        }
    }
    GR_GL_GetIntegerv(gli, GR_GL_MAX_VERTEX_ATTRIBS, &fMaxVertexAttributes);
    GR_GL_GetIntegerv(gli, GR_GL_MAX_TEXTURE_IMAGE_UNITS, &fMaxFragmentTextureUnits);

    if (kGL_GrGLStandard == standard) {
        fRGBA8RenderbufferSupport = true;
    } else {
        fRGBA8RenderbufferSupport = version >= GR_GL_VER(3,0) ||
                                    ctxInfo.hasExtension("GL_OES_rgb8_rgba8") ||
                                    ctxInfo.hasExtension("GL_ARM_rgba8");
    }

    if (kGL_GrGLStandard == standard) {
        fTextureSwizzleSupport = version >= GR_GL_VER(3,3) ||
                                 ctxInfo.hasExtension("GL_ARB_texture_swizzle");
    } else {
        fTextureSwizzleSupport = version >= GR_GL_VER(3,0);
    }

    if (kGL_GrGLStandard == standard) {
        fUnpackRowLengthSupport = true;
        fUnpackFlipYSupport = false;
        fPackRowLengthSupport = true;
        fPackFlipYSupport = false;
    } else {
        fUnpackRowLengthSupport = version >= GR_GL_VER(3,0) ||
                                  ctxInfo.hasExtension("GL_EXT_unpack_subimage");
        fUnpackFlipYSupport = ctxInfo.hasExtension("GL_CHROMIUM_flipy");
        fPackRowLengthSupport = version >= GR_GL_VER(3,0) ||
                                ctxInfo.hasExtension("GL_NV_pack_subimage");
        fPackFlipYSupport =
            ctxInfo.hasExtension("GL_ANGLE_pack_reverse_row_order");
    }

    fTextureUsageSupport = (kGLES_GrGLStandard == standard) &&
                            ctxInfo.hasExtension("GL_ANGLE_texture_usage");

    if (kGL_GrGLStandard == standard) {
        // The EXT version can apply to either GL or GLES.
        fTexStorageSupport = version >= GR_GL_VER(4,2) ||
                             ctxInfo.hasExtension("GL_ARB_texture_storage") ||
                             ctxInfo.hasExtension("GL_EXT_texture_storage");
    } else {
        // Qualcomm Adreno drivers appear to have issues with texture storage.
        fTexStorageSupport = (version >= GR_GL_VER(3,0) &&
                              kQualcomm_GrGLVendor != ctxInfo.vendor()) ||
                             ctxInfo.hasExtension("GL_EXT_texture_storage");
    }

    // ARB_texture_rg is part of OpenGL 3.0, but mesa doesn't support it if
    // it doesn't have ARB_texture_rg extension.
    if (kGL_GrGLStandard == standard) {
        if (ctxInfo.isMesa()) {
            fTextureRedSupport = ctxInfo.hasExtension("GL_ARB_texture_rg");
        } else {
            fTextureRedSupport = version >= GR_GL_VER(3,0) ||
                                 ctxInfo.hasExtension("GL_ARB_texture_rg");
        }
    } else {
        fTextureRedSupport =  version >= GR_GL_VER(3,0) ||
                              ctxInfo.hasExtension("GL_EXT_texture_rg");
    }

    fImagingSupport = kGL_GrGLStandard == standard &&
                      ctxInfo.hasExtension("GL_ARB_imaging");

    // ES 2 only guarantees RGBA/uchar + one other format/type combo for
    // ReadPixels. The other format has to checked at run-time since it
//.........这里部分代码省略.........
开发者ID:Jimmy0319,项目名称:skia,代码行数:101,代码来源:GrGLCaps.cpp

示例2: init

void GrGLCaps::init(const GrGLContextInfo& ctxInfo, const GrGLInterface* gli) {

    this->reset();
    if (!ctxInfo.isInitialized()) {
        return;
    }

    GrGLBinding binding = ctxInfo.binding();
    GrGLVersion version = ctxInfo.version();

    /**************************************************************************
     * Caps specific to GrGLCaps
     **************************************************************************/

    if (kES_GrGLBinding == binding) {
        GR_GL_GetIntegerv(gli, GR_GL_MAX_FRAGMENT_UNIFORM_VECTORS,
                          &fMaxFragmentUniformVectors);
    } else {
        SkASSERT(kDesktop_GrGLBinding == binding);
        GrGLint max;
        GR_GL_GetIntegerv(gli, GR_GL_MAX_FRAGMENT_UNIFORM_COMPONENTS, &max);
        fMaxFragmentUniformVectors = max / 4;
        if (version >= GR_GL_VER(3, 2)) {
            GrGLint profileMask;
            GR_GL_GetIntegerv(gli, GR_GL_CONTEXT_PROFILE_MASK, &profileMask);
            fIsCoreProfile = SkToBool(profileMask & GR_GL_CONTEXT_CORE_PROFILE_BIT);
        }
        if (!fIsCoreProfile) {
            fFixedFunctionSupport = true;
            GR_GL_GetIntegerv(gli, GR_GL_MAX_TEXTURE_COORDS, &fMaxFixedFunctionTextureCoords);
            // Sanity check
            SkASSERT(fMaxFixedFunctionTextureCoords > 0 && fMaxFixedFunctionTextureCoords < 128);
        }
    }
    GR_GL_GetIntegerv(gli, GR_GL_MAX_VERTEX_ATTRIBS, &fMaxVertexAttributes);
    GR_GL_GetIntegerv(gli, GR_GL_MAX_TEXTURE_IMAGE_UNITS, &fMaxFragmentTextureUnits);

    if (kDesktop_GrGLBinding == binding) {
        fRGBA8RenderbufferSupport = true;
    } else {
        fRGBA8RenderbufferSupport = version >= GR_GL_VER(3,0) ||
                                    ctxInfo.hasExtension("GL_OES_rgb8_rgba8") ||
                                    ctxInfo.hasExtension("GL_ARM_rgba8");
    }

    if (kDesktop_GrGLBinding == binding) {
        fBGRAFormatSupport = version >= GR_GL_VER(1,2) ||
                             ctxInfo.hasExtension("GL_EXT_bgra");
    } else {
        if (ctxInfo.hasExtension("GL_APPLE_texture_format_BGRA8888")) {
            fBGRAFormatSupport = true;
        } else if (ctxInfo.hasExtension("GL_EXT_texture_format_BGRA8888")) {
            fBGRAFormatSupport = true;
            fBGRAIsInternalFormat = true;
        }
        SkASSERT(fBGRAFormatSupport ||
                 kSkia8888_GrPixelConfig != kBGRA_8888_GrPixelConfig);
    }

    if (kDesktop_GrGLBinding == binding) {
        fTextureSwizzleSupport = version >= GR_GL_VER(3,3) ||
                                 ctxInfo.hasExtension("GL_ARB_texture_swizzle");
    } else {
        fTextureSwizzleSupport = version >= GR_GL_VER(3,0);
    }

    if (kDesktop_GrGLBinding == binding) {
        fUnpackRowLengthSupport = true;
        fUnpackFlipYSupport = false;
        fPackRowLengthSupport = true;
        fPackFlipYSupport = false;
    } else {
        fUnpackRowLengthSupport = version >= GR_GL_VER(3,0) ||
                                  ctxInfo.hasExtension("GL_EXT_unpack_subimage");
        fUnpackFlipYSupport = ctxInfo.hasExtension("GL_CHROMIUM_flipy");
        fPackRowLengthSupport = version >= GR_GL_VER(3,0) ||
                                ctxInfo.hasExtension("GL_NV_pack_subimage");
        fPackFlipYSupport =
            ctxInfo.hasExtension("GL_ANGLE_pack_reverse_row_order");
    }

    fTextureUsageSupport = (kES_GrGLBinding == binding) &&
                            ctxInfo.hasExtension("GL_ANGLE_texture_usage");

    if (kDesktop_GrGLBinding == binding) {
        // The EXT version can apply to either GL or GLES.
        fTexStorageSupport = version >= GR_GL_VER(4,2) ||
                             ctxInfo.hasExtension("GL_ARB_texture_storage") ||
                             ctxInfo.hasExtension("GL_EXT_texture_storage");
    } else {
        // Qualcomm Adreno drivers appear to have issues with texture storage.
        fTexStorageSupport = (version >= GR_GL_VER(3,0) &&
                              kQualcomm_GrGLVendor != ctxInfo.vendor()) ||
                             ctxInfo.hasExtension("GL_EXT_texture_storage");
    }

    // ARB_texture_rg is part of OpenGL 3.0, but mesa doesn't support it if
    // it doesn't have ARB_texture_rg extension.
    if (kDesktop_GrGLBinding == binding) {
        if (ctxInfo.isMesa()) {
//.........这里部分代码省略.........
开发者ID:andreicoman11,项目名称:OsmAnd-external-skia,代码行数:101,代码来源:GrGLCaps.cpp


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