diff options
Diffstat (limited to 'src/utils/win/SkWGL_win.cpp')
| -rw-r--r-- | src/utils/win/SkWGL_win.cpp | 57 |
1 files changed, 31 insertions, 26 deletions
diff --git a/src/utils/win/SkWGL_win.cpp b/src/utils/win/SkWGL_win.cpp index 65ffaf1ecf..dc1b4caf1a 100644 --- a/src/utils/win/SkWGL_win.cpp +++ b/src/utils/win/SkWGL_win.cpp @@ -288,38 +288,41 @@ SkWGLExtensions::SkWGLExtensions() /////////////////////////////////////////////////////////////////////////////// static void get_pixel_formats_to_try(HDC dc, const SkWGLExtensions& extensions, - bool doubleBuffered, int msaaSampleCount, + bool doubleBuffered, int msaaSampleCount, bool deepColor, int formatsToTry[2]) { - int iAttrs[] = { - SK_WGL_DRAW_TO_WINDOW, TRUE, - SK_WGL_DOUBLE_BUFFER, (doubleBuffered ? TRUE : FALSE), - SK_WGL_ACCELERATION, SK_WGL_FULL_ACCELERATION, - SK_WGL_SUPPORT_OPENGL, TRUE, - SK_WGL_COLOR_BITS, 24, - SK_WGL_ALPHA_BITS, 8, - SK_WGL_STENCIL_BITS, 8, - 0, 0 + auto appendAttr = [](SkTDArray<int>& attrs, int attr, int value) { + attrs.push(attr); + attrs.push(value); }; + SkTDArray<int> iAttrs; + appendAttr(iAttrs, SK_WGL_DRAW_TO_WINDOW, TRUE); + appendAttr(iAttrs, SK_WGL_DOUBLE_BUFFER, (doubleBuffered ? TRUE : FALSE)); + appendAttr(iAttrs, SK_WGL_ACCELERATION, SK_WGL_FULL_ACCELERATION); + appendAttr(iAttrs, SK_WGL_SUPPORT_OPENGL, TRUE); + if (deepColor) { + appendAttr(iAttrs, SK_WGL_RED_BITS, 10); + appendAttr(iAttrs, SK_WGL_GREEN_BITS, 10); + appendAttr(iAttrs, SK_WGL_BLUE_BITS, 10); + appendAttr(iAttrs, SK_WGL_ALPHA_BITS, 2); + } else { + appendAttr(iAttrs, SK_WGL_COLOR_BITS, 24); + appendAttr(iAttrs, SK_WGL_ALPHA_BITS, 8); + } + appendAttr(iAttrs, SK_WGL_STENCIL_BITS, 8); + float fAttrs[] = {0, 0}; // Get a MSAA format if requested and possible. if (msaaSampleCount > 0 && extensions.hasExtension(dc, "WGL_ARB_multisample")) { - static const int kIAttrsCount = SK_ARRAY_COUNT(iAttrs); - int msaaIAttrs[kIAttrsCount + 4]; - memcpy(msaaIAttrs, iAttrs, sizeof(int) * kIAttrsCount); - SkASSERT(0 == msaaIAttrs[kIAttrsCount - 2] && - 0 == msaaIAttrs[kIAttrsCount - 1]); - msaaIAttrs[kIAttrsCount - 2] = SK_WGL_SAMPLE_BUFFERS; - msaaIAttrs[kIAttrsCount - 1] = TRUE; - msaaIAttrs[kIAttrsCount + 0] = SK_WGL_SAMPLES; - msaaIAttrs[kIAttrsCount + 1] = msaaSampleCount; - msaaIAttrs[kIAttrsCount + 2] = 0; - msaaIAttrs[kIAttrsCount + 3] = 0; + SkTDArray<int> msaaIAttrs = iAttrs; + appendAttr(msaaIAttrs, SK_WGL_SAMPLE_BUFFERS, TRUE); + appendAttr(msaaIAttrs, SK_WGL_SAMPLES, msaaSampleCount); + appendAttr(msaaIAttrs, 0, 0); unsigned int num; int formats[64]; - extensions.choosePixelFormat(dc, msaaIAttrs, fAttrs, 64, formats, &num); + extensions.choosePixelFormat(dc, msaaIAttrs.begin(), fAttrs, 64, formats, &num); num = SkTMin(num, 64U); formatsToTry[0] = extensions.selectFormat(formats, num, dc, msaaSampleCount); } @@ -327,7 +330,8 @@ static void get_pixel_formats_to_try(HDC dc, const SkWGLExtensions& extensions, // Get a non-MSAA format int* format = -1 == formatsToTry[0] ? &formatsToTry[0] : &formatsToTry[1]; unsigned int num; - extensions.choosePixelFormat(dc, iAttrs, fAttrs, 1, format, &num); + appendAttr(iAttrs, 0, 0); + extensions.choosePixelFormat(dc, iAttrs.begin(), fAttrs, 1, format, &num); } static HGLRC create_gl_context(HDC dc, SkWGLExtensions extensions, SkWGLContextRequest contextType) { @@ -393,7 +397,8 @@ static HGLRC create_gl_context(HDC dc, SkWGLExtensions extensions, SkWGLContextR return glrc; } -HGLRC SkCreateWGLContext(HDC dc, int msaaSampleCount, SkWGLContextRequest contextType) { +HGLRC SkCreateWGLContext(HDC dc, int msaaSampleCount, bool deepColor, + SkWGLContextRequest contextType) { SkWGLExtensions extensions; if (!extensions.hasExtension(dc, "WGL_ARB_pixel_format")) { return nullptr; @@ -402,7 +407,7 @@ HGLRC SkCreateWGLContext(HDC dc, int msaaSampleCount, SkWGLContextRequest contex BOOL set = FALSE; int pixelFormatsToTry[] = { -1, -1 }; - get_pixel_formats_to_try(dc, extensions, true, msaaSampleCount, pixelFormatsToTry); + get_pixel_formats_to_try(dc, extensions, true, msaaSampleCount, deepColor, pixelFormatsToTry); for (int f = 0; !set && -1 != pixelFormatsToTry[f] && f < SK_ARRAY_COUNT(pixelFormatsToTry); ++f) { @@ -429,7 +434,7 @@ SkWGLPbufferContext* SkWGLPbufferContext::Create(HDC parentDC, int msaaSampleCou for (int dblBuffer = 0; dblBuffer < 2; ++dblBuffer) { int pixelFormatsToTry[] = { -1, -1 }; get_pixel_formats_to_try(parentDC, extensions, (0 != dblBuffer), msaaSampleCount, - pixelFormatsToTry); + false, pixelFormatsToTry); for (int f = 0; -1 != pixelFormatsToTry[f] && f < SK_ARRAY_COUNT(pixelFormatsToTry); ++f) { HPBUFFER pbuf = extensions.createPbuffer(parentDC, pixelFormatsToTry[f], 1, 1, nullptr); if (0 != pbuf) { |