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Move single/double-buffer filtering to backends

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There is no need to enumerate framebuffer configs that will just be
filtered out later by the GLFW_DOUBLEBUFFER hard constraint.
This commit is contained in:
Camilla Löwy 2021-05-14 17:14:13 +02:00
parent 184377b493
commit fd79b02840
3 changed files with 9 additions and 12 deletions
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6
src/context.c
View File

@ -196,12 +196,6 @@ const _GLFWfbconfig* _glfwChooseFBConfig(const _GLFWfbconfig* desired,
continue;
}
if (desired->doublebuffer != current->doublebuffer)
{
// Double buffering is a hard constraint
continue;
}
// Count number of missing buffers
{
missing = 0;

5
src/glx_context.c
View File

@ -92,6 +92,9 @@ static GLFWbool chooseGLXFBConfig(const _GLFWfbconfig* desired,
continue;
}
if (getGLXFBConfigAttrib(n, GLX_DOUBLEBUFFER) != desired->doublebuffer)
continue;
if (desired->transparent)
{
XVisualInfo* vi = glXGetVisualFromFBConfig(_glfw.x11.display, n);
@ -119,8 +122,6 @@ static GLFWbool chooseGLXFBConfig(const _GLFWfbconfig* desired,
if (getGLXFBConfigAttrib(n, GLX_STEREO))
u->stereo = GLFW_TRUE;
if (getGLXFBConfigAttrib(n, GLX_DOUBLEBUFFER))
u->doublebuffer = GLFW_TRUE;
if (_glfw.glx.ARB_multisample)
u->samples = getGLXFBConfigAttrib(n, GLX_SAMPLES);

10
src/wgl_context.c
View File

@ -165,6 +165,9 @@ static int choosePixelFormat(_GLFWwindow* window,
if (findAttribValue(WGL_ACCELERATION_ARB) == WGL_NO_ACCELERATION_ARB)
continue;
if (findAttribValue(WGL_DOUBLE_BUFFER_ARB) != fbconfig->doublebuffer)
continue;
u->redBits = findAttribValue(WGL_RED_BITS_ARB);
u->greenBits = findAttribValue(WGL_GREEN_BITS_ARB);
u->blueBits = findAttribValue(WGL_BLUE_BITS_ARB);
@ -182,8 +185,6 @@ static int choosePixelFormat(_GLFWwindow* window,
if (findAttribValue(WGL_STEREO_ARB))
u->stereo = GLFW_TRUE;
if (findAttribValue(WGL_DOUBLE_BUFFER_ARB))
u->doublebuffer = GLFW_TRUE;
if (_glfw.wgl.ARB_multisample)
u->samples = findAttribValue(WGL_SAMPLES_ARB);
@ -239,6 +240,9 @@ static int choosePixelFormat(_GLFWwindow* window,
if (pfd.iPixelType != PFD_TYPE_RGBA)
continue;
if (!!(pfd.dwFlags & PFD_DOUBLEBUFFER) != fbconfig->doublebuffer)
continue;
u->redBits = pfd.cRedBits;
u->greenBits = pfd.cGreenBits;
u->blueBits = pfd.cBlueBits;
@ -256,8 +260,6 @@ static int choosePixelFormat(_GLFWwindow* window,
if (pfd.dwFlags & PFD_STEREO)
u->stereo = GLFW_TRUE;
if (pfd.dwFlags & PFD_DOUBLEBUFFER)
u->doublebuffer = GLFW_TRUE;
}
u->handle = pixelFormat;