From: Alexandros Frantzis alexandros.frantzis@collabora.com
Create an array of supported EGLConfigs, and use this information to populate the PIXELFORMATDESCRIPTOR. --- dlls/winewayland.drv/opengl.c | 120 ++++++++++++++++++++++++++++++++++ 1 file changed, 120 insertions(+)
diff --git a/dlls/winewayland.drv/opengl.c b/dlls/winewayland.drv/opengl.c index 4dac7df532f..8668423485a 100644 --- a/dlls/winewayland.drv/opengl.c +++ b/dlls/winewayland.drv/opengl.c @@ -25,6 +25,7 @@ #include "config.h"
#include <dlfcn.h> +#include <stdlib.h> #include <string.h>
#include "waylanddrv.h" @@ -45,12 +46,16 @@ static void *egl_handle; static struct opengl_funcs opengl_funcs; static EGLDisplay egl_display; static char wgl_extensions[4096]; +static EGLConfig *egl_configs; +static int num_egl_configs;
#define USE_GL_FUNC(name) #name, static const char *opengl_func_names[] = { ALL_WGL_FUNCS }; #undef USE_GL_FUNC
#define DECL_FUNCPTR(f) static typeof(f) * p_##f +DECL_FUNCPTR(eglChooseConfig); +DECL_FUNCPTR(eglGetConfigAttrib); DECL_FUNCPTR(eglGetError); DECL_FUNCPTR(eglGetPlatformDisplay); DECL_FUNCPTR(eglGetProcAddress); @@ -58,6 +63,63 @@ DECL_FUNCPTR(eglInitialize); DECL_FUNCPTR(eglQueryString); #undef DECL_FUNCPTR
+static BOOL has_opengl(void); + +static int wayland_wglDescribePixelFormat(HDC hdc, int fmt, UINT size, + PIXELFORMATDESCRIPTOR *pfd) +{ + EGLint val; + EGLConfig config; + + if (!has_opengl()) return 0; + if (!pfd) return num_egl_configs; + if (size < sizeof(*pfd)) return 0; + if (fmt <= 0 || fmt > num_egl_configs) return 0; + + config = egl_configs[fmt - 1]; + + memset(pfd, 0, sizeof(*pfd)); + pfd->nSize = sizeof(*pfd); + pfd->nVersion = 1; + pfd->dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW | PFD_DOUBLEBUFFER | + PFD_SUPPORT_COMPOSITION; + pfd->iPixelType = PFD_TYPE_RGBA; + pfd->iLayerType = PFD_MAIN_PLANE; + + /* Although the documentation describes cColorBits as excluding alpha, real + * drivers tend to return the full pixel size, so do the same. */ + p_eglGetConfigAttrib(egl_display, config, EGL_BUFFER_SIZE, &val); + pfd->cColorBits = val; + p_eglGetConfigAttrib(egl_display, config, EGL_RED_SIZE, &val); + pfd->cRedBits = val; + p_eglGetConfigAttrib(egl_display, config, EGL_GREEN_SIZE, &val); + pfd->cGreenBits = val; + p_eglGetConfigAttrib(egl_display, config, EGL_BLUE_SIZE, &val); + pfd->cBlueBits = val; + p_eglGetConfigAttrib(egl_display, config, EGL_ALPHA_SIZE, &val); + pfd->cAlphaBits = val; + p_eglGetConfigAttrib(egl_display, config, EGL_DEPTH_SIZE, &val); + pfd->cDepthBits = val; + p_eglGetConfigAttrib(egl_display, config, EGL_STENCIL_SIZE, &val); + pfd->cStencilBits = val; + + /* Although we don't get information from EGL about the component shifts + * or the native format, the 0xARGB order is the most common. */ + pfd->cBlueShift = 0; + pfd->cGreenShift = pfd->cBlueBits; + pfd->cRedShift = pfd->cGreenBits + pfd->cBlueBits; + if (pfd->cAlphaBits) + pfd->cAlphaShift = pfd->cRedBits + pfd->cGreenBits + pfd->cBlueBits; + else + pfd->cAlphaShift = 0; + + TRACE("fmt %u color %u %u/%u/%u/%u depth %u stencil %u\n", + fmt, pfd->cColorBits, pfd->cRedBits, pfd->cGreenBits, pfd->cBlueBits, + pfd->cAlphaBits, pfd->cDepthBits, pfd->cStencilBits); + + return num_egl_configs; +} + static const char *wayland_wglGetExtensionsStringARB(HDC hdc) { TRACE("() returning "%s"\n", wgl_extensions); @@ -120,6 +182,60 @@ static BOOL init_opengl_funcs(void) return TRUE; }
+static BOOL init_egl_configs(void) +{ + EGLint i; + const EGLint attribs[] = + { + EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, + EGL_SURFACE_TYPE, EGL_WINDOW_BIT, + EGL_NONE + }; + + p_eglChooseConfig(egl_display, attribs, NULL, 0, &num_egl_configs); + if (!(egl_configs = malloc(num_egl_configs * sizeof(*egl_configs)))) + { + ERR("Failed to allocate memory for EGL configs\n"); + return FALSE; + } + if (!p_eglChooseConfig(egl_display, attribs, egl_configs, num_egl_configs, + &num_egl_configs) || + !num_egl_configs) + { + free(egl_configs); + egl_configs = NULL; + num_egl_configs = 0; + ERR("Failed to get any configs from eglChooseConfig\n"); + return FALSE; + } + + if (TRACE_ON(waylanddrv)) + { + for (i = 0; i < num_egl_configs; i++) + { + EGLint id, type, visual_id, native, render, color, r, g, b, a, d, s; + p_eglGetConfigAttrib(egl_display, egl_configs[i], EGL_NATIVE_VISUAL_ID, &visual_id); + p_eglGetConfigAttrib(egl_display, egl_configs[i], EGL_SURFACE_TYPE, &type); + p_eglGetConfigAttrib(egl_display, egl_configs[i], EGL_RENDERABLE_TYPE, &render); + p_eglGetConfigAttrib(egl_display, egl_configs[i], EGL_CONFIG_ID, &id); + p_eglGetConfigAttrib(egl_display, egl_configs[i], EGL_NATIVE_RENDERABLE, &native); + p_eglGetConfigAttrib(egl_display, egl_configs[i], EGL_COLOR_BUFFER_TYPE, &color); + p_eglGetConfigAttrib(egl_display, egl_configs[i], EGL_RED_SIZE, &r); + p_eglGetConfigAttrib(egl_display, egl_configs[i], EGL_GREEN_SIZE, &g); + p_eglGetConfigAttrib(egl_display, egl_configs[i], EGL_BLUE_SIZE, &b); + p_eglGetConfigAttrib(egl_display, egl_configs[i], EGL_ALPHA_SIZE, &a); + p_eglGetConfigAttrib(egl_display, egl_configs[i], EGL_DEPTH_SIZE, &d); + p_eglGetConfigAttrib(egl_display, egl_configs[i], EGL_STENCIL_SIZE, &s); + TRACE("%u: config %d id %d type %x visual %d native %d render %x " + "colortype %d rgba %d,%d,%d,%d depth %u stencil %d\n", + num_egl_configs, i, id, type, visual_id, native, render, + color, r, g, b, a, d, s); + } + } + + return TRUE; +} + static void init_opengl(void) { EGLint egl_version[2]; @@ -156,6 +272,8 @@ static void init_opengl(void) if (!(p_##func = (void *)p_eglGetProcAddress(#func))) \ { ERR("Failed to load symbol %s\n", #func); goto err; } \ } while(0) + LOAD_FUNCPTR_EGL(eglChooseConfig); + LOAD_FUNCPTR_EGL(eglGetConfigAttrib); LOAD_FUNCPTR_EGL(eglGetError); LOAD_FUNCPTR_EGL(eglGetPlatformDisplay); LOAD_FUNCPTR_EGL(eglInitialize); @@ -177,6 +295,7 @@ static void init_opengl(void) TRACE("EGL version %u.%u\n", egl_version[0], egl_version[1]);
if (!init_opengl_funcs()) goto err; + if (!init_egl_configs()) goto err;
return;
@@ -196,6 +315,7 @@ static struct opengl_funcs opengl_funcs = { .wgl = { + .p_wglDescribePixelFormat = wayland_wglDescribePixelFormat, .p_wglGetProcAddress = wayland_wglGetProcAddress, } };