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GLimp_Init() Print actually received color/alpha/stencil/depth bits

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to help debugging #368 and #348
This commit is contained in:
Daniel Gibson 2021-04-13 01:04:18 +02:00
parent 13ac657ebf
commit bb7346579e
2 changed files with 22 additions and 10 deletions
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2
neo/renderer/RenderSystem.h
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@ -59,7 +59,7 @@ typedef struct glconfig_s {
int maxTextureImageUnits;
float maxTextureAnisotropy;
int colorBits, depthBits, stencilBits;
int colorBits, alphabits, depthBits, stencilBits;
bool multitextureAvailable;
bool textureCompressionAvailable;

30
neo/sys/glimp.cpp
View file

@ -168,6 +168,8 @@ bool GLimp_Init(glimpParms_t parms) {
if (tcolorbits == 24)
channelcolorbits = 8;
int talphabits = r_waylandcompat.GetBool() ? 0 : channelcolorbits;
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, channelcolorbits);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, channelcolorbits);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, channelcolorbits);
@ -175,10 +177,7 @@ bool GLimp_Init(glimpParms_t parms) {
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, tdepthbits);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, tstencilbits);
if (r_waylandcompat.GetBool())
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 0);
else
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, channelcolorbits);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, talphabits);
SDL_GL_SetAttribute(SDL_GL_STEREO, parms.stereo ? 1 : 0);
@ -363,12 +362,25 @@ bool GLimp_Init(glimpParms_t parms) {
}
#endif // defined(_WIN32) && defined(ID_ALLOW_TOOLS)
common->Printf("Using %d color bits, %d depth, %d stencil display\n",
channelcolorbits, tdepthbits, tstencilbits);
common->Printf("Requested %d color bits per chan, %d alpha %d depth, %d stencil\n",
channelcolorbits, talphabits, tdepthbits, tstencilbits);
glConfig.colorBits = tcolorbits;
glConfig.depthBits = tdepthbits;
glConfig.stencilBits = tstencilbits;
{
int r, g, b, a, d, s;
SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &r);
SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &g);
SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &b);
SDL_GL_GetAttribute(SDL_GL_ALPHA_SIZE, &a);
SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &d);
SDL_GL_GetAttribute(SDL_GL_STENCIL_SIZE, &s);
common->Printf("Got %d stencil bits, %d depth bits, color bits: r%d g%d b%d a%d\n", s, d, r, g, b, a);
glConfig.colorBits = r+g+b; // a bit imprecise, but seems to be used only in GfxInfo_f()
glConfig.alphabits = a;
glConfig.depthBits = d;
glConfig.stencilBits = s;
}
glConfig.displayFrequency = 0;