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Diffstat (limited to 'cogl/winsys/cogl-winsys-glx.c')
-rw-r--r--cogl/winsys/cogl-winsys-glx.c113
1 files changed, 80 insertions, 33 deletions
diff --git a/cogl/winsys/cogl-winsys-glx.c b/cogl/winsys/cogl-winsys-glx.c
index 829e0f91..fea5c2a4 100644
--- a/cogl/winsys/cogl-winsys-glx.c
+++ b/cogl/winsys/cogl-winsys-glx.c
@@ -94,16 +94,21 @@ typedef struct _CoglOnscreenGLX
CoglBool pending_resize_notify;
} CoglOnscreenGLX;
+typedef struct _CoglPixmapTextureEyeGLX
+{
+ CoglTexture *glx_tex;
+ CoglBool bind_tex_image_queued;
+ CoglBool pixmap_bound;
+} CoglPixmapTextureEyeGLX;
+
typedef struct _CoglTexturePixmapGLX
{
GLXPixmap glx_pixmap;
CoglBool has_mipmap_space;
CoglBool can_mipmap;
- CoglTexture *glx_tex;
-
- CoglBool bind_tex_image_queued;
- CoglBool pixmap_bound;
+ CoglPixmapTextureEyeGLX left;
+ CoglPixmapTextureEyeGLX right;
} CoglTexturePixmapGLX;
/* Define a set of arrays containing the functions required from GL
@@ -2081,6 +2086,7 @@ _cogl_winsys_xlib_get_visual_info (void)
static CoglBool
get_fbconfig_for_depth (CoglContext *context,
unsigned int depth,
+ CoglBool stereo,
GLXFBConfig *fbconfig_ret,
CoglBool *can_mipmap_ret)
{
@@ -2098,11 +2104,12 @@ get_fbconfig_for_depth (CoglContext *context,
glx_renderer = context->display->renderer->winsys;
glx_display = context->display->winsys;
- /* Check if we've already got a cached config for this depth */
+ /* Check if we've already got a cached config for this depth and stereo */
for (i = 0; i < COGL_GLX_N_CACHED_CONFIGS; i++)
if (glx_display->glx_cached_configs[i].depth == -1)
spare_cache_slot = i;
- else if (glx_display->glx_cached_configs[i].depth == depth)
+ else if (glx_display->glx_cached_configs[i].depth == depth &&
+ glx_display->glx_cached_configs[i].stereo == stereo)
{
*fbconfig_ret = glx_display->glx_cached_configs[i].fb_config;
*can_mipmap_ret = glx_display->glx_cached_configs[i].can_mipmap;
@@ -2146,6 +2153,13 @@ get_fbconfig_for_depth (CoglContext *context,
if (value != depth && (value - alpha) != depth)
continue;
+ glx_renderer->glXGetFBConfigAttrib (dpy,
+ fbconfigs[i],
+ GLX_STEREO,
+ &value);
+ if (!!value != !!stereo)
+ continue;
+
if (glx_renderer->glx_major == 1 && glx_renderer->glx_minor >= 4)
{
glx_renderer->glXGetFBConfigAttrib (dpy,
@@ -2303,7 +2317,9 @@ try_create_glx_pixmap (CoglContext *context,
glx_renderer = renderer->winsys;
dpy = xlib_renderer->xdpy;
- if (!get_fbconfig_for_depth (context, depth, &fb_config,
+ if (!get_fbconfig_for_depth (context, depth,
+ tex_pixmap->stereo_mode != COGL_TEXTURE_PIXMAP_MONO,
+ &fb_config,
&glx_tex_pixmap->can_mipmap))
{
COGL_NOTE (TEXTURE_PIXMAP, "No suitable FBConfig found for depth %i",
@@ -2392,10 +2408,13 @@ _cogl_winsys_texture_pixmap_x11_create (CoglTexturePixmapX11 *tex_pixmap)
glx_tex_pixmap->can_mipmap = FALSE;
glx_tex_pixmap->has_mipmap_space = FALSE;
- glx_tex_pixmap->glx_tex = NULL;
+ glx_tex_pixmap->left.glx_tex = NULL;
+ glx_tex_pixmap->right.glx_tex = NULL;
- glx_tex_pixmap->bind_tex_image_queued = TRUE;
- glx_tex_pixmap->pixmap_bound = FALSE;
+ glx_tex_pixmap->left.bind_tex_image_queued = TRUE;
+ glx_tex_pixmap->right.bind_tex_image_queued = TRUE;
+ glx_tex_pixmap->left.pixmap_bound = FALSE;
+ glx_tex_pixmap->right.pixmap_bound = FALSE;
tex_pixmap->winsys = glx_tex_pixmap;
@@ -2422,10 +2441,14 @@ free_glx_pixmap (CoglContext *context,
xlib_renderer = _cogl_xlib_renderer_get_data (renderer);
glx_renderer = renderer->winsys;
- if (glx_tex_pixmap->pixmap_bound)
+ if (glx_tex_pixmap->left.pixmap_bound)
glx_renderer->glXReleaseTexImage (xlib_renderer->xdpy,
glx_tex_pixmap->glx_pixmap,
GLX_FRONT_LEFT_EXT);
+ if (glx_tex_pixmap->right.pixmap_bound)
+ glx_renderer->glXReleaseTexImage (xlib_renderer->xdpy,
+ glx_tex_pixmap->glx_pixmap,
+ GLX_FRONT_RIGHT_EXT);
/* FIXME - we need to trap errors and synchronize here because
* of ordering issues between the XPixmap destruction and the
@@ -2450,7 +2473,8 @@ free_glx_pixmap (CoglContext *context,
_cogl_xlib_renderer_untrap_errors (renderer, &trap_state);
glx_tex_pixmap->glx_pixmap = None;
- glx_tex_pixmap->pixmap_bound = FALSE;
+ glx_tex_pixmap->left.pixmap_bound = FALSE;
+ glx_tex_pixmap->right.pixmap_bound = FALSE;
}
static void
@@ -2465,8 +2489,11 @@ _cogl_winsys_texture_pixmap_x11_free (CoglTexturePixmapX11 *tex_pixmap)
free_glx_pixmap (COGL_TEXTURE (tex_pixmap)->context, glx_tex_pixmap);
- if (glx_tex_pixmap->glx_tex)
- cogl_object_unref (glx_tex_pixmap->glx_tex);
+ if (glx_tex_pixmap->left.glx_tex)
+ cogl_object_unref (glx_tex_pixmap->left.glx_tex);
+
+ if (glx_tex_pixmap->right.glx_tex)
+ cogl_object_unref (glx_tex_pixmap->right.glx_tex);
tex_pixmap->winsys = NULL;
g_free (glx_tex_pixmap);
@@ -2474,13 +2501,27 @@ _cogl_winsys_texture_pixmap_x11_free (CoglTexturePixmapX11 *tex_pixmap)
static CoglBool
_cogl_winsys_texture_pixmap_x11_update (CoglTexturePixmapX11 *tex_pixmap,
+ CoglTexturePixmapStereoMode stereo_mode,
CoglBool needs_mipmap)
{
CoglTexture *tex = COGL_TEXTURE (tex_pixmap);
CoglContext *ctx = COGL_TEXTURE (tex_pixmap)->context;
CoglTexturePixmapGLX *glx_tex_pixmap = tex_pixmap->winsys;
+ CoglPixmapTextureEyeGLX *texture_info;
+ int buffer;
CoglGLXRenderer *glx_renderer;
+ if (stereo_mode == COGL_TEXTURE_PIXMAP_RIGHT)
+ {
+ texture_info = &glx_tex_pixmap->right;
+ buffer = GLX_FRONT_RIGHT_EXT;
+ }
+ else
+ {
+ texture_info = &glx_tex_pixmap->left;
+ buffer = GLX_FRONT_LEFT_EXT;
+ }
+
/* If we don't have a GLX pixmap then fallback */
if (glx_tex_pixmap->glx_pixmap == None)
return FALSE;
@@ -2488,7 +2529,7 @@ _cogl_winsys_texture_pixmap_x11_update (CoglTexturePixmapX11 *tex_pixmap,
glx_renderer = ctx->display->renderer->winsys;
/* Lazily create a texture to hold the pixmap */
- if (glx_tex_pixmap->glx_tex == NULL)
+ if (texture_info->glx_tex == NULL)
{
CoglPixelFormat texture_format;
CoglError *error = NULL;
@@ -2499,14 +2540,14 @@ _cogl_winsys_texture_pixmap_x11_update (CoglTexturePixmapX11 *tex_pixmap,
if (should_use_rectangle (ctx))
{
- glx_tex_pixmap->glx_tex = COGL_TEXTURE (
+ texture_info->glx_tex = COGL_TEXTURE (
cogl_texture_rectangle_new_with_size (ctx,
tex->width,
tex->height));
_cogl_texture_set_internal_format (tex, texture_format);
- if (cogl_texture_allocate (glx_tex_pixmap->glx_tex, &error))
+ if (cogl_texture_allocate (texture_info->glx_tex, &error))
COGL_NOTE (TEXTURE_PIXMAP, "Created a texture rectangle for %p",
tex_pixmap);
else
@@ -2521,14 +2562,14 @@ _cogl_winsys_texture_pixmap_x11_update (CoglTexturePixmapX11 *tex_pixmap,
}
else
{
- glx_tex_pixmap->glx_tex = COGL_TEXTURE (
+ texture_info->glx_tex = COGL_TEXTURE (
cogl_texture_2d_new_with_size (ctx,
tex->width,
tex->height));
_cogl_texture_set_internal_format (tex, texture_format);
- if (cogl_texture_allocate (glx_tex_pixmap->glx_tex, &error))
+ if (cogl_texture_allocate (texture_info->glx_tex, &error))
COGL_NOTE (TEXTURE_PIXMAP, "Created a texture 2d for %p",
tex_pixmap);
else
@@ -2566,36 +2607,37 @@ _cogl_winsys_texture_pixmap_x11_update (CoglTexturePixmapX11 *tex_pixmap,
"updates for %p because creating the GLXPixmap "
"with mipmap support failed", tex_pixmap);
- if (glx_tex_pixmap->glx_tex)
- cogl_object_unref (glx_tex_pixmap->glx_tex);
+ if (texture_info->glx_tex)
+ cogl_object_unref (texture_info->glx_tex);
return FALSE;
}
- glx_tex_pixmap->bind_tex_image_queued = TRUE;
+ glx_tex_pixmap->left.bind_tex_image_queued = TRUE;
+ glx_tex_pixmap->right.bind_tex_image_queued = TRUE;
}
}
- if (glx_tex_pixmap->bind_tex_image_queued)
+ if (texture_info->bind_tex_image_queued)
{
GLuint gl_handle, gl_target;
CoglXlibRenderer *xlib_renderer =
_cogl_xlib_renderer_get_data (ctx->display->renderer);
- cogl_texture_get_gl_texture (glx_tex_pixmap->glx_tex,
+ cogl_texture_get_gl_texture (texture_info->glx_tex,
&gl_handle, &gl_target);
COGL_NOTE (TEXTURE_PIXMAP, "Rebinding GLXPixmap for %p", tex_pixmap);
_cogl_bind_gl_texture_transient (gl_target, gl_handle, FALSE);
- if (glx_tex_pixmap->pixmap_bound)
+ if (texture_info->pixmap_bound)
glx_renderer->glXReleaseTexImage (xlib_renderer->xdpy,
glx_tex_pixmap->glx_pixmap,
- GLX_FRONT_LEFT_EXT);
+ buffer);
glx_renderer->glXBindTexImage (xlib_renderer->xdpy,
glx_tex_pixmap->glx_pixmap,
- GLX_FRONT_LEFT_EXT,
+ buffer,
NULL);
/* According to the recommended usage in the spec for
@@ -2608,10 +2650,10 @@ _cogl_winsys_texture_pixmap_x11_update (CoglTexturePixmapX11 *tex_pixmap,
* on Mesa and NVidia drivers and it is also what Compiz does so
* it is probably ok */
- glx_tex_pixmap->bind_tex_image_queued = FALSE;
- glx_tex_pixmap->pixmap_bound = TRUE;
+ texture_info->bind_tex_image_queued = FALSE;
+ texture_info->pixmap_bound = TRUE;
- _cogl_texture_2d_externally_modified (glx_tex_pixmap->glx_tex);
+ _cogl_texture_2d_externally_modified (texture_info->glx_tex);
}
return TRUE;
@@ -2622,15 +2664,20 @@ _cogl_winsys_texture_pixmap_x11_damage_notify (CoglTexturePixmapX11 *tex_pixmap)
{
CoglTexturePixmapGLX *glx_tex_pixmap = tex_pixmap->winsys;
- glx_tex_pixmap->bind_tex_image_queued = TRUE;
+ glx_tex_pixmap->left.bind_tex_image_queued = TRUE;
+ glx_tex_pixmap->right.bind_tex_image_queued = TRUE;
}
static CoglTexture *
-_cogl_winsys_texture_pixmap_x11_get_texture (CoglTexturePixmapX11 *tex_pixmap)
+_cogl_winsys_texture_pixmap_x11_get_texture (CoglTexturePixmapX11 *tex_pixmap,
+ CoglTexturePixmapStereoMode stereo_mode)
{
CoglTexturePixmapGLX *glx_tex_pixmap = tex_pixmap->winsys;
- return glx_tex_pixmap->glx_tex;
+ if (stereo_mode == COGL_TEXTURE_PIXMAP_RIGHT)
+ return glx_tex_pixmap->right.glx_tex;
+ else
+ return glx_tex_pixmap->left.glx_tex;
}
static CoglWinsysVtable _cogl_winsys_vtable =
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