egl_dri2: allow RGBA masks to be specified for matching

[mesa.git] / src / egl / drivers / dri2 / egl_dri2.c

diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index f09ae14f10c1f26a96c26d6dd9453fd379d23fa9..ba728a1583ba8331ba9c028e66b8496a17ae9162 100644 (file)
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -111,13 +111,15 @@ dri2_match_config(const _EGLConfig *conf, const _EGLConfig *criteria)
 
 struct dri2_egl_config *
 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
-               int depth, EGLint surface_type, const EGLint *attr_list)
+               int depth, EGLint surface_type, const EGLint *attr_list,
+               const unsigned int *rgba_masks)
 {
    struct dri2_egl_config *conf;
    struct dri2_egl_display *dri2_dpy;
    _EGLConfig base;
    unsigned int attrib, value, double_buffer;
    EGLint key, bind_to_texture_rgb, bind_to_texture_rgba;
+   unsigned int dri_masks[4] = { 0, 0, 0, 0 };
    _EGLConfig *matching_config;
    EGLint num_configs = 0;
    EGLint config_id;
@@ -165,6 +167,22 @@ dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
         double_buffer = value;
         break;
 
+      case __DRI_ATTRIB_RED_MASK:
+         dri_masks[0] = value;
+         break;
+
+      case __DRI_ATTRIB_GREEN_MASK:
+         dri_masks[1] = value;
+         break;
+
+      case __DRI_ATTRIB_BLUE_MASK:
+         dri_masks[2] = value;
+         break;
+
+      case __DRI_ATTRIB_ALPHA_MASK:
+         dri_masks[3] = value;
+         break;
+
       default:
         key = dri2_to_egl_attribute_map[attrib];
         if (key != 0)
@@ -180,6 +198,9 @@ dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
    if (depth > 0 && depth != base.BufferSize)
       return NULL;
 
+   if (rgba_masks && memcmp(rgba_masks, dri_masks, sizeof(dri_masks)))
+      return NULL;
+
    base.NativeRenderable = EGL_TRUE;
 
    base.SurfaceType = surface_type;