efl/legacy/evas/src/modules/engines/gl_x11/evas_x_main.c

902 lines
30 KiB
C

#include "evas_engine.h"
static Evas_GL_X11_Window *_evas_gl_x11_window = NULL;
#if defined (GLES_VARIETY_S3C6410) || defined (GLES_VARIETY_SGX)
static EGLContext context = EGL_NO_CONTEXT;
#else
// FIXME: this will only work for 1 display connection (glx land can have > 1)
static GLXContext context = 0;
static GLXContext rgba_context = 0;
static GLXFBConfig fbconf = 0;
static GLXFBConfig rgba_fbconf = 0;
#endif
// fixme: something is up/wrong here - dont know what tho...
//#define NEWGL 1
static XVisualInfo *_evas_gl_x11_vi = NULL;
static XVisualInfo *_evas_gl_x11_rgba_vi = NULL;
static Colormap _evas_gl_x11_cmap = 0;
static Colormap _evas_gl_x11_rgba_cmap = 0;
static int win_count = 0;
Evas_GL_X11_Window *
eng_window_new(Display *disp,
Window win,
int screen,
Visual *vis,
Colormap cmap,
int depth,
int w,
int h,
int indirect,
int alpha,
int rot)
{
Evas_GL_X11_Window *gw;
#if defined (GLES_VARIETY_S3C6410) || defined (GLES_VARIETY_SGX)
int context_attrs[3];
int config_attrs[40];
int major_version, minor_version;
int num_config, n = 0;
#endif
XVisualInfo *vi_use;
const GLubyte *vendor, *renderer, *version;
if (!_evas_gl_x11_vi) return NULL;
gw = calloc(1, sizeof(Evas_GL_X11_Window));
if (!gw) return NULL;
win_count++;
gw->disp = disp;
gw->win = win;
gw->screen = screen;
gw->visual = vis;
gw->colormap = cmap;
gw->depth = depth;
gw->alpha = alpha;
gw->w = w;
gw->h = h;
gw->rot = rot;
vi_use = _evas_gl_x11_vi;
if (gw->alpha)
{
#if defined (GLES_VARIETY_S3C6410) || defined (GLES_VARIETY_SGX)
if (_evas_gl_x11_rgba_vi)
{
vi_use = _evas_gl_x11_rgba_vi;
}
#else
//#ifdef NEWGL
if (_evas_gl_x11_rgba_vi)
{
vi_use = _evas_gl_x11_rgba_vi;
}
//#endif
#endif
}
gw->visualinfo = vi_use;
// EGL / GLES
#if defined (GLES_VARIETY_S3C6410) || defined (GLES_VARIETY_SGX)
context_attrs[0] = EGL_CONTEXT_CLIENT_VERSION;
context_attrs[1] = 2;
context_attrs[2] = EGL_NONE;
# if defined(GLES_VARIETY_S3C6410)
if (gw->visualinfo->depth == 16) // 16bpp
{
config_attrs[n++] = EGL_SURFACE_TYPE;
config_attrs[n++] = EGL_WINDOW_BIT;
config_attrs[n++] = EGL_RENDERABLE_TYPE;
config_attrs[n++] = EGL_OPENGL_ES2_BIT;
config_attrs[n++] = EGL_RED_SIZE;
config_attrs[n++] = 5;
config_attrs[n++] = EGL_GREEN_SIZE;
config_attrs[n++] = 6;
config_attrs[n++] = EGL_BLUE_SIZE;
config_attrs[n++] = 5;
config_attrs[n++] = EGL_DEPTH_SIZE;
config_attrs[n++] = 0;
config_attrs[n++] = EGL_STENCIL_SIZE;
config_attrs[n++] = 0;
config_attrs[n++] = EGL_NONE;
}
else // 24/32bit. no one does 8bpp anymore. and 15bpp... dead
{
config_attrs[n++] = EGL_SURFACE_TYPE;
config_attrs[n++] = EGL_WINDOW_BIT;
config_attrs[n++] = EGL_RENDERABLE_TYPE;
config_attrs[n++] = EGL_OPENGL_ES2_BIT;
config_attrs[n++] = EGL_RED_SIZE;
config_attrs[n++] = 8;
config_attrs[n++] = EGL_GREEN_SIZE;
config_attrs[n++] = 8;
config_attrs[n++] = EGL_BLUE_SIZE;
config_attrs[n++] = 8;
config_attrs[n++] = EGL_DEPTH_SIZE;
config_attrs[n++] = 0;
config_attrs[n++] = EGL_STENCIL_SIZE;
config_attrs[n++] = 0;
config_attrs[n++] = EGL_NONE;
}
# elif defined(GLES_VARIETY_SGX)
config_attrs[n++] = EGL_SURFACE_TYPE;
config_attrs[n++] = EGL_WINDOW_BIT;
config_attrs[n++] = EGL_RENDERABLE_TYPE;
config_attrs[n++] = EGL_OPENGL_ES2_BIT;
#if 0
// FIXME: n900 - omap3 sgx libs break here
config_attrs[n++] = EGL_RED_SIZE;
config_attrs[n++] = 1;
config_attrs[n++] = EGL_GREEN_SIZE;
config_attrs[n++] = 1;
config_attrs[n++] = EGL_BLUE_SIZE;
config_attrs[n++] = 1;
// FIXME: end n900 breakage
#endif
if (gw->alpha)
{
config_attrs[n++] = EGL_ALPHA_SIZE;
config_attrs[n++] = 1;
}
else
{
config_attrs[n++] = EGL_ALPHA_SIZE;
config_attrs[n++] = 0;
}
config_attrs[n++] = EGL_DEPTH_SIZE;
config_attrs[n++] = 0;
config_attrs[n++] = EGL_STENCIL_SIZE;
config_attrs[n++] = 0;
config_attrs[n++] = EGL_NONE;
# endif
gw->egl_disp = glsym_eglGetDisplay((EGLNativeDisplayType)(gw->disp));
if (!gw->egl_disp)
{
ERR("glsym_eglGetDisplay() fail. code=%#x", glsym_eglGetError());
eng_window_free(gw);
return NULL;
}
if (!glsym_eglInitialize(gw->egl_disp, &major_version, &minor_version))
{
ERR("glsym_eglInitialize() fail. code=%#x", glsym_eglGetError());
eng_window_free(gw);
return NULL;
}
glsym_eglBindAPI(EGL_OPENGL_ES_API);
if (glsym_eglGetError() != EGL_SUCCESS)
{
ERR("glsym_eglBindAPI() fail. code=%#x", glsym_eglGetError());
eng_window_free(gw);
return NULL;
}
num_config = 0;
if (!glsym_eglChooseConfig(gw->egl_disp, config_attrs, &gw->egl_config,
1, &num_config) || (num_config != 1))
{
ERR("glsym_eglChooseConfig() fail. code=%#x", glsym_eglGetError());
eng_window_free(gw);
return NULL;
}
gw->egl_surface[0] = glsym_eglCreateWindowSurface(gw->egl_disp, gw->egl_config,
(EGLNativeWindowType)gw->win,
NULL);
if (gw->egl_surface[0] == EGL_NO_SURFACE)
{
ERR("glsym_eglCreateWindowSurface() fail for %#x. code=%#x",
(unsigned int)gw->win, glsym_eglGetError());
eng_window_free(gw);
return NULL;
}
if (context == EGL_NO_CONTEXT)
context = glsym_eglCreateContext(gw->egl_disp, gw->egl_config, NULL,
context_attrs);
gw->egl_context[0] = context;
if (gw->egl_context[0] == EGL_NO_CONTEXT)
{
ERR("glsym_eglCreateContext() fail. code=%#x", glsym_eglGetError());
eng_window_free(gw);
return NULL;
}
if (glsym_eglMakeCurrent(gw->egl_disp,
gw->egl_surface[0],
gw->egl_surface[0],
gw->egl_context[0]) == EGL_FALSE)
{
ERR("glsym_eglMakeCurrent() fail. code=%#x", glsym_eglGetError());
eng_window_free(gw);
return NULL;
}
vendor = glsym_glGetString(GL_VENDOR);
renderer = glsym_glGetString(GL_RENDERER);
version = glsym_glGetString(GL_VERSION);
if (!vendor) vendor = (unsigned char *)"-UNKNOWN-";
if (!renderer) renderer = (unsigned char *)"-UNKNOWN-";
if (!version) version = (unsigned char *)"-UNKNOWN-";
if (getenv("EVAS_GL_INFO"))
{
fprintf(stderr, "vendor: %s\n", vendor);
fprintf(stderr, "renderer: %s\n", renderer);
fprintf(stderr, "version: %s\n", version);
}
// GLX
#else
if (!context)
{
#ifdef NEWGL
if (indirect)
context = glsym_glXCreateNewContext(gw->disp, fbconf,
GLX_RGBA_TYPE, NULL,
GL_FALSE);
else
context = glsym_glXCreateNewContext(gw->disp, fbconf,
GLX_RGBA_TYPE, NULL,
GL_TRUE);
#else
if (indirect)
context = glsym_glXCreateContext(gw->disp, gw->visualinfo, NULL, GL_FALSE);
else
context = glsym_glXCreateContext(gw->disp, gw->visualinfo, NULL, GL_TRUE);
#endif
}
#ifdef NEWGL
if ((gw->alpha) && (!rgba_context))
{
if (indirect)
rgba_context = glsym_glXCreateNewContext(gw->disp, rgba_fbconf,
GLX_RGBA_TYPE, context,
GL_FALSE);
else
rgba_context = glsym_glXCreateNewContext(gw->disp, rgba_fbconf,
GLX_RGBA_TYPE, context,
GL_TRUE);
}
if (gw->alpha)
gw->glxwin = glsym_glXCreateWindow(gw->disp, rgba_fbconf, gw->win, NULL);
else
gw->glxwin = glsym_glXCreateWindow(gw->disp, fbconf, gw->win, NULL);
if (!gw->glxwin)
{
eng_window_free(gw);
return NULL;
}
if (gw->alpha) gw->context = rgba_context;
else gw->context = context;
#else
gw->context = context;
#endif
if (!gw->context)
{
eng_window_free(gw);
return NULL;
}
if (gw->context)
{
int i, j, num;
GLXFBConfig *fbc;
int blacklist = 0;
if (gw->glxwin)
{
if (!glsym_glXMakeContextCurrent(gw->disp, gw->glxwin, gw->glxwin,
gw->context))
{
printf("Error: glsym_glXMakeContextCurrent(%p, %p, %p, %p)\n", (void *)gw->disp, (void *)gw->glxwin, (void *)gw->glxwin, (void *)gw->context);
eng_window_free(gw);
return NULL;
}
}
else
{
if (!glsym_glXMakeCurrent(gw->disp, gw->win, gw->context))
{
printf("Error: glsym_glXMakeCurrent(%p, 0x%x, %p) failed\n", (void *)gw->disp, (unsigned int)gw->win, (void *)gw->context);
eng_window_free(gw);
return NULL;
}
}
// FIXME: move this up to context creation
vendor = glsym_glGetString(GL_VENDOR);
renderer = glsym_glGetString(GL_RENDERER);
version = glsym_glGetString(GL_VERSION);
if (getenv("EVAS_GL_INFO"))
{
fprintf(stderr, "vendor: %s\n", vendor);
fprintf(stderr, "renderer: %s\n", renderer);
fprintf(stderr, "version: %s\n", version);
}
// examples:
// vendor: NVIDIA Corporation
// renderer: NVIDIA Tegra
// version: OpenGL ES 2.0
// or
// vendor: Imagination Technologies
// renderer: PowerVR SGX 540
// version: OpenGL ES 2.0
// or
// vendor: NVIDIA Corporation
// renderer: GeForce GT 330M/PCI/SSE2
// version: 3.3.0 NVIDIA 256.53
// or
// vendor: NVIDIA Corporation
// renderer: GeForce GT 220/PCI/SSE2
// version: 3.2.0 NVIDIA 195.36.24
// or
// vendor: NVIDIA Corporation
// renderer: GeForce 8600 GTS/PCI/SSE2
// version: 3.3.0 NVIDIA 260.19.36
// or
// vendor: ATI Technologies Inc.
// renderer: ATI Mobility Radeon HD 4650
// version: 3.2.9756 Compatibility Profile Context
// or
// vendor: Tungsten Graphics, Inc
// renderer: Mesa DRI Mobile Intel® GM45 Express Chipset GEM 20100330 DEVELOPMENT x86/MMX/SSE2
// version: 2.1 Mesa 7.9-devel
// or
// vendor: Advanced Micro Devices, Inc.
// renderer: Mesa DRI R600 (RS780 9610) 20090101 TCL DRI2
// version: 2.1 Mesa 7.9-devel
// or
// vendor: NVIDIA Corporation
// renderer: GeForce 9600 GT/PCI/SSE2
// version: 3.3.0 NVIDIA 260.19.29
// or
// vendor: ATI Technologies Inc.
// renderer: ATI Radeon HD 4800 Series
// version: 3.3.10237 Compatibility Profile Context
// or
// vendor: Advanced Micro Devices, Inc.
// renderer: Mesa DRI R600 (RV770 9442) 20090101 TCL DRI2
// version: 2.0 Mesa 7.8.2
// or
// vendor: Tungsten Graphics, Inc
// renderer: Mesa DRI Mobile Intel® GM45 Express Chipset GEM 20100330 DEVELOPMENT
// version: 2.1 Mesa 7.9-devel
// or (bad - software renderer)
// vendor: Mesa Project
// renderer: Software Rasterizer
// version: 2.1 Mesa 7.9-devel
// or (bad - software renderer)
// vendor: VMware, Inc.
// renderer: Gallium 0.4 on softpipe
// version: 2.1 Mesa 7.9-devel
if (strstr((const char *)vendor, "Mesa Project"))
{
if (strstr((const char *)renderer, "Software Rasterizer"))
blacklist = 1;
}
if (strstr((const char *)renderer, "softpipe"))
blacklist = 1;
if (blacklist)
{
ERR("OpenGL Driver blacklisted:");
ERR("Vendor: %s", (const char *)vendor);
ERR("Renderer: %s", (const char *)renderer);
ERR("Version: %s", (const char *)version);
eng_window_free(gw);
return NULL;
}
if (strstr((const char *)vendor, "NVIDIA"))
{
if (!strstr((const char *)renderer, "NVIDIA Tegra"))
{
int v1 = 0, v2 = 0, v3 = 0;
if (sscanf((const char *)version,
"%*s %*s %i.%i.%i",
&v1, &v2, &v3) != 3)
{
v1 = v2 = v3 = 0;
if (sscanf((const char *)version,
"%*s %*s %i.%i",
&v1, &v2) != 2)
v1 = 0;
}
// ALSO as of some nvidia driver version loose binding is
// probably not needed
if (v1 < 195) gw->detected.loose_binding = 1;
}
}
else
{
// noothing yet. add more cases and options over time
}
fbc = glsym_glXGetFBConfigs(gw->disp, screen, &num);
if (!fbc)
{
ERR("glsym_glXGetFBConfigs() returned no fb configs");
eng_window_free(gw);
return NULL;
}
for (i = 0; i <= 32; i++)
{
for (j = 0; j < num; j++)
{
XVisualInfo *vi;
int vd;
int alph, val, dbuf, stencil, tdepth;
int rgba;
vi = glsym_glXGetVisualFromFBConfig(gw->disp, fbc[j]);
if (!vi) continue;
vd = vi->depth;
XFree(vi);
if (vd != i) continue;
glsym_glXGetFBConfigAttrib(gw->disp, fbc[j], GLX_ALPHA_SIZE, &alph);
glsym_glXGetFBConfigAttrib(gw->disp, fbc[j], GLX_BUFFER_SIZE, &val);
if ((val != i) && ((val - alph) != i)) continue;
val = 0;
rgba = 0;
if (i == 32)
{
glsym_glXGetFBConfigAttrib(gw->disp, fbc[j], GLX_BIND_TO_TEXTURE_RGBA_EXT, &val);
if (val)
{
rgba = 1;
gw->depth_cfg[i].tex_format = GLX_TEXTURE_FORMAT_RGBA_EXT;
}
}
if (!val)
{
if (rgba) continue;
glsym_glXGetFBConfigAttrib(gw->disp, fbc[j], GLX_BIND_TO_TEXTURE_RGB_EXT, &val);
if (!val) continue;
gw->depth_cfg[i].tex_format = GLX_TEXTURE_FORMAT_RGB_EXT;
}
dbuf = 0x7fff;
glsym_glXGetFBConfigAttrib(gw->disp, fbc[j], GLX_DOUBLEBUFFER, &val);
if (val > dbuf) continue;
dbuf = val;
stencil = 0x7fff;
glsym_glXGetFBConfigAttrib(gw->disp, fbc[j], GLX_STENCIL_SIZE, &val);
if (val > stencil) continue;
stencil = val;
tdepth = 0x7fff;
glsym_glXGetFBConfigAttrib(gw->disp, fbc[j], GLX_DEPTH_SIZE, &val);
if (val > tdepth) continue;
tdepth = val;
glsym_glXGetFBConfigAttrib(gw->disp, fbc[j], GLX_BIND_TO_MIPMAP_TEXTURE_EXT, &val);
if (val < 0) continue;
gw->depth_cfg[i].mipmap = val;
glsym_glXGetFBConfigAttrib(gw->disp, fbc[j], GLX_Y_INVERTED_EXT, &val);
gw->depth_cfg[i].yinvert = val;
glsym_glXGetFBConfigAttrib(gw->disp, fbc[j], GLX_BIND_TO_TEXTURE_TARGETS_EXT, &val);
gw->depth_cfg[i].tex_target = val;
gw->depth_cfg[i].fbc = fbc[j];
}
}
XFree(fbc);
if (!gw->depth_cfg[DefaultDepth(gw->disp, screen)].fbc)
{
WRN("texture from pixmap not going to work");
}
}
#endif
gw->gl_context = evas_gl_common_context_new();
if (!gw->gl_context)
{
eng_window_free(gw);
return NULL;
}
#if defined (GLES_VARIETY_S3C6410) || defined (GLES_VARIETY_SGX)
gw->gl_context->egldisp = gw->egl_disp;
#endif
eng_window_use(gw);
evas_gl_common_context_resize(gw->gl_context, w, h, rot);
gw->surf = 1;
return gw;
indirect = 0;
}
void
eng_window_free(Evas_GL_X11_Window *gw)
{
int ref = 0;
win_count--;
eng_window_use(gw);
if (gw == _evas_gl_x11_window) _evas_gl_x11_window = NULL;
if (gw->gl_context)
{
ref = gw->gl_context->references - 1;
evas_gl_common_context_free(gw->gl_context);
}
#if defined (GLES_VARIETY_S3C6410) || defined (GLES_VARIETY_SGX)
if (gw->egl_surface[0] != EGL_NO_SURFACE)
glsym_eglDestroySurface(gw->egl_disp, gw->egl_surface[0]);
if (ref == 0)
{
if (context) glsym_eglDestroyContext(gw->egl_disp, context);
glsym_eglTerminate(gw->egl_disp);
context = EGL_NO_CONTEXT;
}
glsym_eglMakeCurrent(gw->egl_disp, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
#else
if (gw->glxwin) glsym_glXDestroyWindow(gw->disp, gw->glxwin);
if (ref == 0)
{
if (context) glsym_glXDestroyContext(gw->disp, context);
if (rgba_context) glsym_glXDestroyContext(gw->disp, rgba_context);
context = 0;
rgba_context = 0;
fbconf = 0;
rgba_fbconf = 0;
}
#endif
free(gw);
}
void
eng_window_use(Evas_GL_X11_Window *gw)
{
Eina_Bool force_use = EINA_FALSE;
#if defined (GLES_VARIETY_S3C6410) || defined (GLES_VARIETY_SGX)
if (_evas_gl_x11_window)
{
if ((glsym_eglGetCurrentContext() !=
_evas_gl_x11_window->egl_context[0]) ||
(glsym_eglGetCurrentSurface(EGL_READ) !=
_evas_gl_x11_window->egl_surface[0]) ||
(glsym_eglGetCurrentSurface(EGL_DRAW) !=
_evas_gl_x11_window->egl_surface[0]))
force_use = EINA_TRUE;
}
#else
if (_evas_gl_x11_window)
{
if (glsym_glXGetCurrentContext() != _evas_gl_x11_window->context)
force_use = EINA_TRUE;
}
#endif
if ((_evas_gl_x11_window != gw) || (force_use))
{
if (_evas_gl_x11_window)
{
evas_gl_common_context_use(_evas_gl_x11_window->gl_context);
evas_gl_common_context_flush(_evas_gl_x11_window->gl_context);
}
_evas_gl_x11_window = gw;
if (gw)
{
// EGL / GLES
#if defined (GLES_VARIETY_S3C6410) || defined (GLES_VARIETY_SGX)
if (gw->egl_surface[0] != EGL_NO_SURFACE)
{
if (glsym_eglMakeCurrent(gw->egl_disp,
gw->egl_surface[0],
gw->egl_surface[0],
gw->egl_context[0]) == EGL_FALSE)
{
ERR("glsym_eglMakeCurrent() failed!");
}
}
// GLX
#else
if (gw->glxwin)
{
if (!glsym_glXMakeContextCurrent(gw->disp, gw->glxwin, gw->glxwin,
gw->context))
{
ERR("glsym_glXMakeContextCurrent(%p, %p, %p, %p)", (void *)gw->disp, (void *)gw->glxwin, (void *)gw->glxwin, (void *)gw->context);
}
}
else
{
if (!glsym_glXMakeCurrent(gw->disp, gw->win, gw->context))
{
ERR("glsym_glXMakeCurrent(%p, 0x%x, %p) failed", gw->disp, (unsigned int)gw->win, (void *)gw->context);
}
}
#endif
}
}
if (gw) evas_gl_common_context_use(gw->gl_context);
}
void
eng_window_unsurf(Evas_GL_X11_Window *gw)
{
if (!gw->surf) return;
if (!getenv("EVAS_GL_WIN_RESURF")) return;
if (getenv("EVAS_GL_INFO"))
printf("unsurf %p\n", gw);
#if defined (GLES_VARIETY_S3C6410) || defined (GLES_VARIETY_SGX)
if (_evas_gl_x11_window)
evas_gl_common_context_flush(_evas_gl_x11_window->gl_context);
if (_evas_gl_x11_window == gw)
{
glsym_eglMakeCurrent(gw->egl_disp, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
if (gw->egl_surface[0] != EGL_NO_SURFACE)
glsym_eglDestroySurface(gw->egl_disp, gw->egl_surface[0]);
gw->egl_surface[0] = EGL_NO_SURFACE;
_evas_gl_x11_window = NULL;
}
#else
if (gw->glxwin)
{
glsym_glXDestroyWindow(gw->disp, gw->glxwin);
}
else
{
}
#endif
gw->surf = 0;
}
void
eng_window_resurf(Evas_GL_X11_Window *gw)
{
if (gw->surf) return;
if (getenv("EVAS_GL_INFO"))
printf("resurf %p\n", gw);
#if defined (GLES_VARIETY_S3C6410) || defined (GLES_VARIETY_SGX)
gw->egl_surface[0] = glsym_eglCreateWindowSurface(gw->egl_disp, gw->egl_config,
(EGLNativeWindowType)gw->win,
NULL);
if (gw->egl_surface[0] == EGL_NO_SURFACE)
{
ERR("glsym_eglCreateWindowSurface() fail for %#x. code=%#x",
(unsigned int)gw->win, glsym_eglGetError());
return;
}
if (glsym_eglMakeCurrent(gw->egl_disp,
gw->egl_surface[0],
gw->egl_surface[0],
gw->egl_context[0]) == EGL_FALSE)
{
ERR("glsym_eglMakeCurrent() failed!");
}
#else
#ifdef NEWGL
if (gw->alpha)
gw->glxwin = glsym_glXCreateWindow(gw->disp, rgba_fbconf, gw->win, NULL);
else
gw->glxwin = glsym_glXCreateWindow(gw->disp, fbconf, gw->win, NULL);
if (!glsym_glXMakeContextCurrent(gw->disp, gw->glxwin, gw->glxwin,
gw->context))
{
ERR("glsym_glXMakeContextCurrent(%p, %p, %p, %p)", (void *)gw->disp, (void *)gw->glxwin, (void *)gw->glxwin, (void *)gw->context);
}
#else
if (!glsym_glXMakeCurrent(gw->disp, gw->win, gw->context))
{
ERR("glsym_glXMakeCurrent(%p, 0x%x, %p) failed", (void *)gw->disp, (unsigned int)gw->win, (void *)gw->context);
}
#endif
#endif
gw->surf = 1;
}
Visual *
eng_best_visual_get(Evas_Engine_Info_GL_X11 *einfo)
{
if (!einfo) return NULL;
if (!einfo->info.display) return NULL;
if (!_evas_gl_x11_vi)
{
int alpha;
// EGL / GLES
#if defined (GLES_VARIETY_S3C6410) || defined (GLES_VARIETY_SGX)
for (alpha = 0; alpha < 2; alpha++)
{
int depth = DefaultDepth(einfo->info.display,
einfo->info.screen);
if (alpha)
{
XVisualInfo *xvi, vi_in;
int nvi, i;
XRenderPictFormat *fmt;
vi_in.screen = einfo->info.screen;
vi_in.depth = 32;
vi_in.class = TrueColor;
xvi = XGetVisualInfo(einfo->info.display,
VisualScreenMask | VisualDepthMask |
VisualClassMask,
&vi_in, &nvi);
if (xvi)
{
for (i = 0; i < nvi; i++)
{
fmt = XRenderFindVisualFormat(einfo->info.display,
xvi[i].visual);
if ((fmt->type == PictTypeDirect) &&
(fmt->direct.alphaMask))
{
_evas_gl_x11_rgba_vi =
calloc(1, sizeof(XVisualInfo));
if (_evas_gl_x11_rgba_vi)
memcpy(_evas_gl_x11_rgba_vi,
&(xvi[i]), sizeof(XVisualInfo));
break;
}
}
XFree (xvi);
}
}
else
{
_evas_gl_x11_vi = calloc(1, sizeof(XVisualInfo));
XMatchVisualInfo(einfo->info.display,
einfo->info.screen, depth, TrueColor,
_evas_gl_x11_vi);
}
}
// GLX
#else
for (alpha = 0; alpha < 2; alpha++)
{
int config_attrs[40];
GLXFBConfig *configs = NULL, config = 0;
int i, num;
i = 0;
config_attrs[i++] = GLX_DRAWABLE_TYPE;
config_attrs[i++] = GLX_WINDOW_BIT;
config_attrs[i++] = GLX_DOUBLEBUFFER;
config_attrs[i++] = 1;
config_attrs[i++] = GLX_RED_SIZE;
config_attrs[i++] = 1;
config_attrs[i++] = GLX_GREEN_SIZE;
config_attrs[i++] =1;
config_attrs[i++] = GLX_BLUE_SIZE;
config_attrs[i++] = 1;
if (alpha)
{
config_attrs[i++] = GLX_RENDER_TYPE;
config_attrs[i++] = GLX_RGBA_BIT;
config_attrs[i++] = GLX_ALPHA_SIZE;
config_attrs[i++] = 1;
}
else
{
config_attrs[i++] = GLX_ALPHA_SIZE;
config_attrs[i++] = 0;
}
config_attrs[i++] = GLX_DEPTH_SIZE;
config_attrs[i++] = 0;
config_attrs[i++] = GLX_STENCIL_SIZE;
config_attrs[i++] = 0;
config_attrs[i++] = GLX_AUX_BUFFERS;
config_attrs[i++] = 0;
config_attrs[i++] = GLX_STEREO;
config_attrs[i++] = 0;
config_attrs[i++] = GLX_TRANSPARENT_TYPE;
config_attrs[i++] = GLX_NONE;//GLX_NONE;//GLX_TRANSPARENT_INDEX//GLX_TRANSPARENT_RGB;
config_attrs[i++] = 0;
configs = glsym_glXChooseFBConfig(einfo->info.display,
einfo->info.screen,
config_attrs, &num);
if ((!configs) || (num < 1))
{
ERR("glsym_glXChooseFBConfig returned no configs");
return NULL;
}
for (i = 0; i < num; i++)
{
XVisualInfo *visinfo;
XRenderPictFormat *format = NULL;
visinfo = glsym_glXGetVisualFromFBConfig(einfo->info.display,
configs[i]);
if (!visinfo) continue;
if (!alpha)
{
config = configs[i];
_evas_gl_x11_vi = malloc(sizeof(XVisualInfo));
memcpy(_evas_gl_x11_vi, visinfo, sizeof(XVisualInfo));
fbconf = config;
XFree(visinfo);
break;
}
else
{
format = XRenderFindVisualFormat
(einfo->info.display, visinfo->visual);
if (!format)
{
XFree(visinfo);
continue;
}
if (format->direct.alphaMask > 0)
{
config = configs[i];
_evas_gl_x11_rgba_vi = malloc(sizeof(XVisualInfo));
memcpy(_evas_gl_x11_rgba_vi, visinfo, sizeof(XVisualInfo));
rgba_fbconf = config;
XFree(visinfo);
break;
}
}
XFree(visinfo);
}
}
#endif
}
if (!_evas_gl_x11_vi) return NULL;
if (einfo->info.destination_alpha)
{
// EGL / GLES
#if defined (GLES_VARIETY_S3C6410) || defined (GLES_VARIETY_SGX)
if (_evas_gl_x11_rgba_vi) return _evas_gl_x11_rgba_vi->visual;
#else
//# ifdef NEWGL
if (_evas_gl_x11_rgba_vi) return _evas_gl_x11_rgba_vi->visual;
//# endif
#endif
}
return _evas_gl_x11_vi->visual;
}
Colormap
eng_best_colormap_get(Evas_Engine_Info_GL_X11 *einfo)
{
if (!einfo) return 0;
if (!einfo->info.display) return 0;
if (!_evas_gl_x11_vi) eng_best_visual_get(einfo);
if (!_evas_gl_x11_vi) return 0;
if (einfo->info.destination_alpha)
{
if (!_evas_gl_x11_rgba_cmap)
_evas_gl_x11_rgba_cmap =
XCreateColormap(einfo->info.display,
RootWindow(einfo->info.display,
einfo->info.screen),
_evas_gl_x11_rgba_vi->visual,
0);
return _evas_gl_x11_rgba_cmap;
}
if (!_evas_gl_x11_cmap)
_evas_gl_x11_cmap =
XCreateColormap(einfo->info.display,
RootWindow(einfo->info.display,
einfo->info.screen),
_evas_gl_x11_vi->visual,
0);
return _evas_gl_x11_cmap;
}
int
eng_best_depth_get(Evas_Engine_Info_GL_X11 *einfo)
{
if (!einfo) return 0;
if (!einfo->info.display) return 0;
if (!_evas_gl_x11_vi) eng_best_visual_get(einfo);
if (!_evas_gl_x11_vi) return 0;
if (einfo->info.destination_alpha)
{
if (_evas_gl_x11_rgba_vi) return _evas_gl_x11_rgba_vi->depth;
}
return _evas_gl_x11_vi->depth;
}