]> Dogcows Code - chaz/openbox/blobdiff - render/render.c
slight optimizations, and make the last 4 gradients work properly
[chaz/openbox] / render / render.c
index 9b721db30ada08708cbf54bd25a46eb92cbd02b2..3a1290120fd3c52b39d3ad207419052d3568baeb 100644 (file)
@@ -1,5 +1,10 @@
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
+
+#ifdef USE_GL
+# include <GL/glx.h>
+#endif
+
 #include <glib.h>
 #include "render.h"
 #include "gradient.h"
 #endif
 
 int render_depth;
+XVisualInfo render_visual_info;
+
 Visual *render_visual;
 Colormap render_colormap;
+
 int render_red_offset = 0, render_green_offset = 0, render_blue_offset = 0;
 int render_red_shift, render_green_shift, render_blue_shift;
 int render_red_mask, render_green_mask, render_blue_mask;
 
+
+#ifdef USE_GL
+
+GLXContext render_glx_context;
+
+int render_glx_rating(XVisualInfo *v)
+{
+    int er;
+    int rating = 0;
+    int val;
+    printf("evaluating visual %d\n", v->visualid);
+    glXGetConfig(ob_display, v, GLX_BUFFER_SIZE, &val);
+    printf("buffer size %d\n", val);
+
+    switch (val) {
+    case 32:
+        rating += 300;
+    break;
+    case 24:
+        rating += 200;
+    break;
+    case 16:
+        rating += 100;
+    break;
+    }
+
+    glXGetConfig(ob_display, v, GLX_LEVEL, &val);
+    printf("level %d\n", val);
+    if (val != 0)
+        rating = -10000;
+
+    glXGetConfig(ob_display, v, GLX_DEPTH_SIZE, &val);
+    printf("depth size %d\n", val);
+    switch (val) {
+    case 32:
+        rating += 30;
+    break;
+    case 24:
+        rating += 20;
+    break;
+    case 16:
+        rating += 10;
+    break;
+    case 0:
+        rating -= 10000;
+    }
+
+    glXGetConfig(ob_display, v, GLX_DOUBLEBUFFER, &val);
+    printf("double buffer %d\n", val);
+    if (val)
+        rating++;
+    return rating;
+}
+#endif /* USE_GL */
+
 void render_startup(void)
 {
+    int count, i = 0, val, best = 0, rate = 0, temp;
+    XVisualInfo vimatch, *vilist;
     paint = x_paint;
 
     render_depth = DefaultDepth(ob_display, ob_screen);
     render_visual = DefaultVisual(ob_display, ob_screen);
     render_colormap = DefaultColormap(ob_display, ob_screen);
 
-    if (render_depth < 8) {
-      XVisualInfo vinfo_template, *vinfo_return;
-      /* search for a TrueColor Visual... if we can't find one...
-         we will use the default visual for the screen */
-      int vinfo_nitems;
-      int best = -1;
-
-      vinfo_template.screen = ob_screen;
-      vinfo_template.class = TrueColor;
-      vinfo_return = XGetVisualInfo(ob_display,
-                                    VisualScreenMask | VisualClassMask,
-                                    &vinfo_template, &vinfo_nitems);
-      if (vinfo_return) {
-        int i;
-        int max_depth = 1;
-        for (i = 0; i < vinfo_nitems; ++i) {
-          if (vinfo_return[i].depth > max_depth) {
-            if (max_depth == 24 && vinfo_return[i].depth > 24)
-                break;          /* prefer 24 bit over 32 */
-            max_depth = vinfo_return[i].depth;
-            best = i;
-          }
+#ifdef USE_GL
+    vimatch.screen = ob_screen;
+    vimatch.class = TrueColor;
+    vilist = XGetVisualInfo(ob_display, VisualScreenMask | VisualClassMask,
+                            &vimatch, &count);
+
+    if (vilist) {
+        printf("looking for a GL visualin %d visuals\n", count);
+        for (i = 0; i < count; i++) {
+            glXGetConfig(ob_display, &vilist[i], GLX_USE_GL, &val);
+            if (val) {
+                temp = render_glx_rating(&vilist[i]);
+                if (temp > rate) {
+                    best = i;
+                    rate = temp;
+                }
+            }
         }
-        if (max_depth < render_depth) best = -1;
-      }
-      if (best != -1) {
-        render_depth = vinfo_return[best].depth;
-        render_visual = vinfo_return[best].visual;
-        render_colormap = XCreateColormap(ob_display, ob_root, render_visual,
-                                          AllocNone);
-      }
-      XFree(vinfo_return);
-    }  
+    }
+    if (rate > 0) {
+        printf("picked visual %d with rating %d\n", best, rate);
+        render_depth = vilist[best].depth;
+        render_visual = vilist[best].visual;
+        render_colormap = XCreateColormap(ob_display, ob_root, 
+                                          render_visual, AllocNone);
+        render_visual_info = vilist[best];
+        render_glx_context = glXCreateContext(ob_display, &render_visual_info,
+                                              NULL, True);
+        if (render_glx_context == NULL)
+            printf("sadness\n");
+        else {
+            paint = gl_paint;
+        }
+    }
+#endif /*USE_GL*/
+
+
   switch (render_visual->class) {
   case TrueColor:
     truecolor_startup();
@@ -167,9 +236,7 @@ void pseudocolor_startup(void)
         g = (pseudo_colors[i].green - icolors[ii].green) & 0xff;
         b = (pseudo_colors[i].blue - icolors[ii].blue) & 0xff;
         /* find a weighted absolute deviation */
-        dev = (r * r) * (0xff - (icolors[ii].red & 0xff)) +
-            (g * g) * (0xff - (icolors[ii].green & 0xff)) +
-            (b * b) * (0xff - (icolors[ii].blue & 0xff));
+        dev = (r * r) + (g * g) + (b * b);
 
         if (dev < closest) {
           closest = dev;
@@ -205,8 +272,6 @@ void x_paint(Window win, Appearance *l)
 
     if (w <= 0 || h <= 0 || x+w <= 0 || y+h <= 0) return;
 
-    g_assert(l->surface.type == Surface_Planar);
-
     oldp = l->pixmap; /* save to free after changing the visible pixmap */
     l->pixmap = XCreatePixmap(ob_display, ob_root, x+w, y+h, render_depth);
     g_assert(l->pixmap != None);
@@ -217,29 +282,29 @@ void x_paint(Window win, Appearance *l)
                                render_colormap);
     g_assert(l->xftdraw != NULL);
 
-    g_free(l->surface.data.planar.pixel_data);
-    l->surface.data.planar.pixel_data = g_new(pixel32, w * h);
+    g_free(l->surface.pixel_data);
+    l->surface.pixel_data = g_new(pixel32, w * h);
 
 
-    if (l->surface.data.planar.grad == Background_ParentRelative) {
-        sw = l->surface.data.planar.parent->area.width;
-        source = l->surface.data.planar.parent->surface.data.planar.pixel_data
-            + l->surface.data.planar.parentx
-            + sw * l->surface.data.planar.parenty;
-        dest = l->surface.data.planar.pixel_data;
+    if (l->surface.grad == Background_ParentRelative) {
+        sw = l->surface.parent->area.width;
+        source = l->surface.parent->surface.pixel_data
+            + l->surface.parentx
+            + sw * l->surface.parenty;
+        dest = l->surface.pixel_data;
         for (i = 0; i < h; i++, source += sw, dest += w) {
             memcpy(dest, source, w * sizeof(pixel32));
         }
     }
-    else if (l->surface.data.planar.grad == Background_Solid)
+    else if (l->surface.grad == Background_Solid)
         gradient_solid(l, x, y, w, h);
     else gradient_render(&l->surface, w, h);
 
     for (i = 0; i < l->textures; i++) {
         tarea = l->texture[i].position;
-        if (l->surface.data.planar.grad != Background_ParentRelative) {
-            if (l->surface.data.planar.relief != Flat) {
-                switch (l->surface.data.planar.bevel) {
+        if (l->surface.grad != Background_ParentRelative) {
+            if (l->surface.relief != Flat) {
+                switch (l->surface.bevel) {
                 case Bevel1:
                     tarea.x += 1; tarea.y += 1;
                     tarea.width -= 2; tarea.height -= 2;
@@ -249,7 +314,7 @@ void x_paint(Window win, Appearance *l)
                     tarea.width -= 4; tarea.height -= 4;
                     break;
                 }
-            } else if (l->surface.data.planar.border) {
+            } else if (l->surface.border) {
                 tarea.x += 1; tarea.y += 1;
                 tarea.width -= 2; tarea.height -= 2;
             }
@@ -259,8 +324,8 @@ void x_paint(Window win, Appearance *l)
         case Text:
             if (!transferred) {
                 transferred = 1;
-                if (l->surface.data.planar.grad != Background_Solid)
-                    pixel32_to_pixmap(l->surface.data.planar.pixel_data, 
+                if (l->surface.grad != Background_Solid)
+                    pixel32_to_pixmap(l->surface.pixel_data, 
                                       l->pixmap,x,y,w,h);
             }
             if (l->xftdraw == NULL) {
@@ -273,8 +338,8 @@ void x_paint(Window win, Appearance *l)
         case Bitmask:
             if (!transferred) {
                 transferred = 1;
-                if (l->surface.data.planar.grad != Background_Solid)
-                    pixel32_to_pixmap(l->surface.data.planar.pixel_data, 
+                if (l->surface.grad != Background_Solid)
+                    pixel32_to_pixmap(l->surface.pixel_data, 
                                       l->pixmap,x,y,w,h);
             }
             if (l->texture[i].data.mask.color->gc == None)
@@ -283,7 +348,7 @@ void x_paint(Window win, Appearance *l)
                       &tarea);
         break;
         case RGBA:
-            image_draw(l->surface.data.planar.pixel_data, 
+            image_draw(l->surface.pixel_data, 
                        &l->texture[i].data.rgba,
                        &tarea, &l->area);
         break;
@@ -292,8 +357,8 @@ void x_paint(Window win, Appearance *l)
 
     if (!transferred) {
         transferred = 1;
-        if (l->surface.data.planar.grad != Background_Solid)
-            pixel32_to_pixmap(l->surface.data.planar.pixel_data, l->pixmap
+        if (l->surface.grad != Background_Solid)
+            pixel32_to_pixmap(l->surface.pixel_data, l->pixmap
                               ,x,y,w,h);
     }
 
@@ -303,91 +368,76 @@ void x_paint(Window win, Appearance *l)
     if (oldp != None) XFreePixmap(ob_display, oldp);
 }
 
-/*
-void gl_paint(Window win, Appearance *l)
-{
-    glXMakeCurrent(ob_display, win, gl_context);
-}
-*/
-
 void render_shutdown(void)
 {
 }
 
-Appearance *appearance_new(SurfaceType type, int numtex)
+Appearance *appearance_new(int numtex)
 {
-  PlanarSurface *p;
+  Surface *p;
   Appearance *out;
 
   out = g_new(Appearance, 1);
-  out->surface.type = type;
   out->textures = numtex;
   out->xftdraw = NULL;
   if (numtex) out->texture = g_new0(Texture, numtex);
   else out->texture = NULL;
   out->pixmap = None;
 
-  switch (type) {
-  case Surface_Planar:
-    p = &out->surface.data.planar;
-    p->primary = NULL;
-    p->secondary = NULL;
-    p->border_color = NULL;
-    p->bevel_dark = NULL;
-    p->bevel_light = NULL;
-    p->pixel_data = NULL;
-    break;
-  }
+  p = &out->surface;
+  p->primary = NULL;
+  p->secondary = NULL;
+  p->border_color = NULL;
+  p->bevel_dark = NULL;
+  p->bevel_light = NULL;
+  p->pixel_data = NULL;
   return out;
 }
 
 Appearance *appearance_copy(Appearance *orig)
 {
-    PlanarSurface *spo, *spc;
+    Surface *spo, *spc;
     Appearance *copy = g_new(Appearance, 1);
-    copy->surface.type = orig->surface.type;
-    switch (orig->surface.type) {
-    case Surface_Planar:
-        spo = &(orig->surface.data.planar);
-        spc = &(copy->surface.data.planar);
-        spc->grad = spo->grad;
-        spc->relief = spo->relief;
-        spc->bevel = spo->bevel;
-        if (spo->primary != NULL)
-            spc->primary = color_new(spo->primary->r,
-                                     spo->primary->g, 
-                                     spo->primary->b);
-        else spc->primary = NULL;
-
-        if (spo->secondary != NULL)
-            spc->secondary = color_new(spo->secondary->r,
-                                       spo->secondary->g,
-                                       spo->secondary->b);
-        else spc->secondary = NULL;
-
-        if (spo->border_color != NULL)
-            spc->border_color = color_new(spo->border_color->r,
-                                          spo->border_color->g,
-                                          spo->border_color->b);
-        else spc->border_color = NULL;
-
-        if (spo->bevel_dark != NULL)
-            spc->bevel_dark = color_new(spo->bevel_dark->r,
-                                        spo->bevel_dark->g,
-                                        spo->bevel_dark->b);
-        else spc->bevel_dark = NULL;
-
-        if (spo->bevel_light != NULL)
-            spc->bevel_light = color_new(spo->bevel_light->r,
-                                         spo->bevel_light->g,
-                                         spo->bevel_light->b);
-        else spc->bevel_light = NULL;
-
-        spc->interlaced = spo->interlaced;
-        spc->border = spo->border;
-        spc->pixel_data = NULL;
-    break;
-    }
+
+    spo = &(orig->surface);
+    spc = &(copy->surface);
+    spc->grad = spo->grad;
+    spc->relief = spo->relief;
+    spc->bevel = spo->bevel;
+    if (spo->primary != NULL)
+        spc->primary = color_new(spo->primary->r,
+                                 spo->primary->g, 
+                                 spo->primary->b);
+    else spc->primary = NULL;
+
+    if (spo->secondary != NULL)
+        spc->secondary = color_new(spo->secondary->r,
+                                   spo->secondary->g,
+                                   spo->secondary->b);
+    else spc->secondary = NULL;
+
+    if (spo->border_color != NULL)
+        spc->border_color = color_new(spo->border_color->r,
+                                      spo->border_color->g,
+                                      spo->border_color->b);
+    else spc->border_color = NULL;
+
+    if (spo->bevel_dark != NULL)
+        spc->bevel_dark = color_new(spo->bevel_dark->r,
+                                    spo->bevel_dark->g,
+                                    spo->bevel_dark->b);
+    else spc->bevel_dark = NULL;
+
+    if (spo->bevel_light != NULL)
+        spc->bevel_light = color_new(spo->bevel_light->r,
+                                     spo->bevel_light->g,
+                                     spo->bevel_light->b);
+    else spc->bevel_light = NULL;
+
+    spc->interlaced = spo->interlaced;
+    spc->border = spo->border;
+    spc->pixel_data = NULL;
+
     copy->textures = orig->textures;
     copy->texture = g_memdup(orig->texture, orig->textures * sizeof(Texture));
     copy->pixmap = None;
@@ -398,20 +448,19 @@ Appearance *appearance_copy(Appearance *orig)
 void appearance_free(Appearance *a)
 {
     if (a) {
-        PlanarSurface *p;
+        Surface *p;
         if (a->pixmap != None) XFreePixmap(ob_display, a->pixmap);
         if (a->xftdraw != NULL) XftDrawDestroy(a->xftdraw);
         if (a->textures)
             g_free(a->texture);
-        if (a->surface.type == Surface_Planar) {
-            p = &a->surface.data.planar;
-            color_free(p->primary);
-            color_free(p->secondary);
-            color_free(p->border_color);
-            color_free(p->bevel_dark);
-            color_free(p->bevel_light);
-            g_free(p->pixel_data);
-        }
+        p = &a->surface;
+        color_free(p->primary);
+        color_free(p->secondary);
+        color_free(p->border_color);
+        color_free(p->bevel_dark);
+        color_free(p->bevel_light);
+        g_free(p->pixel_data);
+
         g_free(a);
     }
 }
@@ -444,46 +493,42 @@ void appearance_minsize(Appearance *l, int *w, int *h)
     int m;
     *w = *h = 1;
 
-    switch (l->surface.type) {
-    case Surface_Planar:
-        if (l->surface.data.planar.relief != Flat) {
-            switch (l->surface.data.planar.bevel) {
-            case Bevel1:
-                *w = *h = 2;
-                break;
-            case Bevel2:
-                *w = *h = 4;
-                break;
-            }
-        } else if (l->surface.data.planar.border)
+    if (l->surface.relief != Flat) {
+        switch (l->surface.bevel) {
+        case Bevel1:
             *w = *h = 2;
+            break;
+        case Bevel2:
+            *w = *h = 4;
+            break;
+        }
+    } else if (l->surface.border)
+        *w = *h = 2;
 
-        for (i = 0; i < l->textures; ++i) {
-            switch (l->texture[i].type) {
-            case Bitmask:
-                *w += l->texture[i].data.mask.mask->w;
-                *h += l->texture[i].data.mask.mask->h;
-                break;
-            case Text:
-                m = font_measure_string(l->texture[i].data.text.font,
-                                        l->texture[i].data.text.string,
-                                        l->texture[i].data.text.shadow,
-                                        l->texture[i].data.text.offset);
-                *w += m;
-                m = font_height(l->texture[i].data.text.font,
-                                l->texture[i].data.text.shadow,
-                                l->texture[i].data.text.offset);
-                *h += m;
-                break;
-            case RGBA:
-                *w += l->texture[i].data.rgba.width;
-                *h += l->texture[i].data.rgba.height;
-                break;
-            case NoTexture:
-                break;
-            }
+    for (i = 0; i < l->textures; ++i) {
+        switch (l->texture[i].type) {
+        case Bitmask:
+            *w += l->texture[i].data.mask.mask->w;
+            *h += l->texture[i].data.mask.mask->h;
+            break;
+        case Text:
+            m = font_measure_string(l->texture[i].data.text.font,
+                                    l->texture[i].data.text.string,
+                                    l->texture[i].data.text.shadow,
+                                    l->texture[i].data.text.offset);
+            *w += m;
+            m = font_height(l->texture[i].data.text.font,
+                            l->texture[i].data.text.shadow,
+                            l->texture[i].data.text.offset);
+            *h += m;
+            break;
+        case RGBA:
+            *w += l->texture[i].data.rgba.width;
+            *h += l->texture[i].data.rgba.height;
+            break;
+        case NoTexture:
+            break;
         }
-        break;
     }
 }
 
@@ -534,3 +579,54 @@ gboolean render_pixmap_to_rgba(Pixmap pmap, Pixmap mask,
 
     return TRUE;
 }
+
+#ifdef USE_GL
+void gl_paint(Window win, Appearance *l)
+{
+    int err;
+    Window root, child;
+    int i, transferred = 0, sw, b, d;
+    pixel32 *source, *dest;
+    Pixmap oldp;
+    int tempx, tempy, absx, absy, absw, absh;
+    int x = l->area.x;
+    int y = l->area.y;
+    int w = l->area.width;
+    int h = l->area.height;
+    Rect tarea; /* area in which to draw textures */
+    if (w <= 0 || h <= 0 || x+w <= 0 || y+h <= 0) return;
+
+    g_assert(l->surface.type == Surface_Planar);
+
+printf("making %p, %p, %p current\n", ob_display, win, render_glx_context);
+    err = glXMakeCurrent(ob_display, win, render_glx_context);
+g_assert(err != 0);
+
+            glMatrixMode(GL_MODELVIEW);
+            glLoadIdentity();
+            glMatrixMode(GL_PROJECTION);
+            glLoadIdentity();
+            glOrtho(0, 1376, 1032, 0, 0, 10);
+    if (XGetGeometry(ob_display, win, &root, &tempx, &tempy,
+                     &absw, &absh,  &b, &d) &&
+        XTranslateCoordinates(ob_display, win, root, tempx, tempy, 
+        &absx, &absy, &child))
+        printf("window at %d, %d (%d,%d)\n", absx, absy, absw, absh);
+    else
+        return;
+
+    glViewport(0, 0, 1376, 1032);
+    glMatrixMode(GL_MODELVIEW);
+    glTranslatef(-absx, 1032-absh-absy, 0);
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+
+    if (l->surface.grad == Background_ParentRelative) {
+        printf("crap\n");
+    } else
+        render_gl_gradient(&l->surface, absx+x, absy+y, absw, absh);
+
+    glXSwapBuffers(ob_display, win);
+}
+
+#endif /* USE_GL */
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