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Some corrections with egl attribs

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This commit is contained in:
Deve 2017-04-05 20:43:04 +02:00
parent 3961a9a3b7
commit 635ea89cd0
1 changed files with 108 additions and 97 deletions
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113
lib/irrlicht/source/Irrlicht/CContextEGL.cpp
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@ -61,111 +61,122 @@ ContextEGL::ContextEGL(const SIrrlichtCreationParameters& params,
os::Printer::log(text);
}
EGLint attribs[] =
EGLint EglOpenGLBIT = 0;
// We need proper OpenGL BIT.
switch (params.DriverType)
{
case EDT_OGLES2:
EglOpenGLBIT = EGL_OPENGL_ES2_BIT;
break;
default:
break;
}
EGLint Attribs[] =
{
#if defined( _IRR_COMPILE_WITH_ANDROID_DEVICE_ )
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_BLUE_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_RED_SIZE, 8,
EGL_DEPTH_SIZE, 16,
EGL_NONE
#else
EGL_RED_SIZE, 5,
EGL_GREEN_SIZE, 5,
EGL_BLUE_SIZE, 5,
EGL_ALPHA_SIZE, params.WithAlphaChannel ? 1 : 0,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_ALPHA_SIZE, params.WithAlphaChannel ? 1:0,
EGL_BUFFER_SIZE, params.Bits,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
//EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER,
EGL_DEPTH_SIZE, params.ZBufferBits,
EGL_STENCIL_SIZE, params.Stencilbuffer,
EGL_SAMPLE_BUFFERS, params.AntiAlias ? 1 : 0,
EGL_SAMPLE_BUFFERS, params.AntiAlias ? 1:0,
EGL_SAMPLES, params.AntiAlias,
#ifdef EGL_VERSION_1_3
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_RENDERABLE_TYPE, EglOpenGLBIT,
#endif
EGL_NONE, 0
#endif
};
EGLint num_configs;
u32 steps=5;
while (!eglChooseConfig(EglDisplay, attribs, &EglConfig, 1, &num_configs) || !num_configs)
EglConfig = 0;
EGLint NumConfigs = 0;
u32 Steps = 5;
// Choose the best EGL config.
while (!eglChooseConfig(EglDisplay, Attribs, &EglConfig, 1, &NumConfigs) || !NumConfigs)
{
switch (steps)
switch (Steps)
{
case 5: // samples
if (attribs[19]>2)
{
--attribs[19];
}
if (Attribs[19] > 2)
--Attribs[19];
else
{
attribs[17]=0;
attribs[19]=0;
--steps;
Attribs[17] = 0;
Attribs[19] = 0;
--Steps;
}
break;
case 4: // alpha
if (attribs[7])
if (Attribs[7])
{
attribs[7]=0;
Attribs[7] = 0;
if (params.AntiAlias)
{
attribs[17]=1;
attribs[19]=params.AntiAlias;
steps=5;
Attribs[17] = 1;
Attribs[19] = params.AntiAlias;
Steps = 5;
}
}
else
--steps;
--Steps;
break;
case 3: // stencil
if (attribs[15])
if (Attribs[15])
{
attribs[15]=0;
Attribs[15] = 0;
if (params.AntiAlias)
{
attribs[17]=1;
attribs[19]=params.AntiAlias;
steps=5;
Attribs[17] = 1;
Attribs[19] = params.AntiAlias;
Steps = 5;
}
}
else
--steps;
--Steps;
break;
case 2: // depth size
if (attribs[13]>16)
if (Attribs[13] > 16)
{
attribs[13]-=8;
Attribs[13] -= 8;
}
else
--steps;
--Steps;
break;
case 1: // buffer size
if (attribs[9]>16)
if (Attribs[9] > 16)
{
attribs[9]-=8;
Attribs[9] -= 8;
}
else
--steps;
--Steps;
break;
default:
os::Printer::log("Could not get config for OpenGL-ES2 display.");
os::Printer::log("Could not get config for EGL display.");
return;
}
}
if (params.AntiAlias && !attribs[17])
if (params.AntiAlias && !Attribs[17])
os::Printer::log("No multisampling.");
if (params.WithAlphaChannel && !attribs[7])
if (params.WithAlphaChannel && !Attribs[7])
os::Printer::log("No alpha.");
if (params.Stencilbuffer && !attribs[15])
if (params.Stencilbuffer && !Attribs[15])
os::Printer::log("No stencil buffer.");
if (params.ZBufferBits > attribs[13])
if (params.ZBufferBits > Attribs[13])
os::Printer::log("No full depth buffer.");
if (params.Bits > attribs[9])
if (params.Bits > Attribs[9])
os::Printer::log("No full color buffer.");
#if defined(_IRR_COMPILE_WITH_ANDROID_DEVICE_)
/* EGL_NATIVE_VISUAL_ID is an attribute of the EGLConfig that is
* guaranteed to be accepted by ANativeWindow_setBuffersGeometry().