overlay: Rearrange GUI state
authorChris Wilson <chris@chris-wilson.co.uk>
Sun, 18 Aug 2013 17:40:03 +0000 (18:40 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Sun, 18 Aug 2013 17:40:03 +0000 (18:40 +0100)
Planning a new layout...

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
overlay/overlay.c
overlay/overlay.h
overlay/x11/x11-overlay.c

index 4665819..3a23e74 100644 (file)
@@ -54,11 +54,6 @@ static void overlay_hide(cairo_surface_t *surface)
 }
 #endif
 
-struct overlay_context {
-       cairo_t *cr;
-       int last_y;
-};
-
 struct overlay_gpu_top {
        struct gpu_top gpu_top;
        struct cpu_top cpu_top;
@@ -67,8 +62,38 @@ struct overlay_gpu_top {
        struct chart cpu;
 };
 
-static void init_gpu_top(struct overlay_gpu_top *gt,
-                        cairo_surface_t *surface)
+struct overlay_gpu_perf {
+       struct gpu_perf gpu_perf;
+};
+
+struct overlay_gpu_freq {
+       struct gpu_freq gpu_freq;
+       struct chart current;
+       struct chart request;
+       int error;
+};
+
+struct overlay_gem_objects {
+       struct gem_objects gem_objects;
+       struct chart aperture;
+       struct chart gtt;
+       int error;
+};
+
+struct overlay_context {
+       cairo_surface_t *surface;
+       cairo_t *cr;
+       int width, height;
+       int last_y;
+
+       struct overlay_gpu_top gpu_top;
+       struct overlay_gpu_perf gpu_perf;
+       struct overlay_gpu_freq gpu_freq;
+       struct overlay_gem_objects gem_objects;
+};
+
+static void init_gpu_top(struct overlay_context *ctx,
+                        struct overlay_gpu_top *gt)
 {
        const double rgba[][4] = {
                { 1, 0.25, 0.25, 1 },
@@ -83,9 +108,7 @@ static void init_gpu_top(struct overlay_gpu_top *gt,
 
        chart_init(&gt->cpu, "CPU", 120);
        chart_set_position(&gt->cpu, 12, 12);
-       chart_set_size(&gt->cpu,
-                      cairo_image_surface_get_width(surface)-24,
-                      100);
+       chart_set_size(&gt->cpu, ctx->width - 24, 100);
        chart_set_stroke_rgba(&gt->cpu, 0.75, 0.25, 0.75, 1.);
        chart_set_mode(&gt->cpu, CHART_STROKE);
        chart_set_range(&gt->cpu, 0, 100);
@@ -95,9 +118,7 @@ static void init_gpu_top(struct overlay_gpu_top *gt,
                           gt->gpu_top.ring[n].name,
                           120);
                chart_set_position(&gt->busy[n], 12, 12);
-               chart_set_size(&gt->busy[n],
-                              cairo_image_surface_get_width(surface)-24,
-                              100);
+               chart_set_size(&gt->busy[n], ctx->width - 24, 100);
                chart_set_stroke_rgba(&gt->busy[n],
                                    rgba[n][0], rgba[n][1], rgba[n][2], rgba[n][3]);
                chart_set_mode(&gt->busy[n], CHART_STROKE);
@@ -109,9 +130,7 @@ static void init_gpu_top(struct overlay_gpu_top *gt,
                           gt->gpu_top.ring[n].name,
                           120);
                chart_set_position(&gt->wait[n], 12, 12);
-               chart_set_size(&gt->wait[n],
-                              cairo_image_surface_get_width(surface)-24,
-                              100);
+               chart_set_size(&gt->wait[n], ctx->width - 24, 100);
                chart_set_fill_rgba(&gt->wait[n],
                                    rgba[n][0], rgba[n][1], rgba[n][2], rgba[n][3] * 0.70);
                chart_set_mode(&gt->wait[n], CHART_FILL);
@@ -178,12 +197,8 @@ static void show_gpu_top(struct overlay_context *ctx, struct overlay_gpu_top *gt
        ctx->last_y = 112;
 }
 
-struct overlay_gpu_perf {
-       struct gpu_perf gpu_perf;
-};
-
-static void init_gpu_perf(struct overlay_gpu_perf *gp,
-                         cairo_surface_t *surface)
+static void init_gpu_perf(struct overlay_context *ctx,
+                         struct overlay_gpu_perf *gp)
 {
        gpu_perf_init(&gp->gpu_perf, 0);
 }
@@ -370,32 +385,21 @@ static void show_gpu_perf(struct overlay_context *ctx, struct overlay_gpu_perf *
        ctx->last_y += 118;
 }
 
-struct overlay_gpu_freq {
-       struct gpu_freq gpu_freq;
-       struct chart current;
-       struct chart request;
-       int error;
-};
-
-static void init_gpu_freq(struct overlay_gpu_freq *gf,
-                        cairo_surface_t *surface)
+static void init_gpu_freq(struct overlay_context *ctx,
+                         struct overlay_gpu_freq *gf)
 {
        gf->error = gpu_freq_init(&gf->gpu_freq);
        if (gf->error)
                return;
 
        chart_init(&gf->current, "current", 120);
-       chart_set_size(&gf->current,
-                      cairo_image_surface_get_width(surface)-24,
-                      100);
+       chart_set_size(&gf->current, ctx->width - 24, 100);
        chart_set_stroke_rgba(&gf->current, 0.75, 0.25, 0.50, 1.);
        chart_set_mode(&gf->current, CHART_STROKE);
        chart_set_range(&gf->current, 0, gf->gpu_freq.max);
 
        chart_init(&gf->request, "request", 120);
-       chart_set_size(&gf->request,
-                      cairo_image_surface_get_width(surface)-24,
-                      100);
+       chart_set_size(&gf->request, ctx->width - 24, 100);
        chart_set_fill_rgba(&gf->request, 0.25, 0.75, 0.50, 1.);
        chart_set_mode(&gf->request, CHART_FILL);
        chart_set_range(&gf->request, 0, gf->gpu_freq.max);
@@ -440,32 +444,21 @@ static void show_gpu_freq(struct overlay_context *ctx, struct overlay_gpu_freq *
        ctx->last_y += 112;
 }
 
-struct overlay_gem_objects {
-       struct gem_objects gem_objects;
-       struct chart aperture;
-       struct chart gtt;
-       int error;
-};
-
-static void init_gem_objects(struct overlay_gem_objects *go,
-                        cairo_surface_t *surface)
+static void init_gem_objects(struct overlay_context *ctx,
+                            struct overlay_gem_objects *go)
 {
        go->error = gem_objects_init(&go->gem_objects);
        if (go->error)
                return;
 
        chart_init(&go->aperture, "aperture", 120);
-       chart_set_size(&go->aperture,
-                      cairo_image_surface_get_width(surface)-24,
-                      100);
+       chart_set_size(&go->aperture, ctx->width - 24, 100);
        chart_set_stroke_rgba(&go->aperture, 0.75, 0.25, 0.50, 1.);
        chart_set_mode(&go->aperture, CHART_STROKE);
        chart_set_range(&go->aperture, 0, go->gem_objects.max_gtt);
 
        chart_init(&go->gtt, "gtt", 120);
-       chart_set_size(&go->gtt,
-                      cairo_image_surface_get_width(surface)-24,
-                      100);
+       chart_set_size(&go->gtt, ctx->width - 24, 100);
        chart_set_fill_rgba(&go->gtt, 0.25, 0.75, 0.50, 1.);
        chart_set_mode(&go->gtt, CHART_FILL);
        chart_set_range(&go->gtt, 0, go->gem_objects.max_gtt);
@@ -517,11 +510,7 @@ static void show_gem_objects(struct overlay_context *ctx, struct overlay_gem_obj
 
 int main(int argc, char **argv)
 {
-       cairo_surface_t *surface;
-       struct overlay_gpu_top gpu_top;
-       struct overlay_gpu_perf gpu_perf;
-       struct overlay_gpu_freq gpu_freq;
-       struct overlay_gem_objects gem_objects;
+       struct overlay_context ctx;
        int i = 0;
 
        if (argc > 1) {
@@ -529,21 +518,21 @@ int main(int argc, char **argv)
                return 0;
        }
 
-       surface = x11_overlay_create(POS_TOP_RIGHT, 640, 480);
-       if (surface == NULL)
+       ctx.width = 640;
+       ctx.height = 480;
+       ctx.surface = x11_overlay_create(POS_TOP_RIGHT, &ctx.width, &ctx.height);
+       if (ctx.surface == NULL)
                return ENOMEM;
 
-       init_gpu_top(&gpu_top, surface);
-       init_gpu_perf(&gpu_perf, surface);
-       init_gpu_freq(&gpu_freq, surface);
-       init_gem_objects(&gem_objects, surface);
+       init_gpu_top(&ctx, &ctx.gpu_top);
+       init_gpu_perf(&ctx, &ctx.gpu_perf);
+       init_gpu_freq(&ctx, &ctx.gpu_freq);
+       init_gem_objects(&ctx, &ctx.gem_objects);
 
        while (1) {
-               struct overlay_context ctx;
-
                usleep(500*1000);
 
-               ctx.cr = cairo_create(surface);
+               ctx.cr = cairo_create(ctx.surface);
                cairo_set_operator(ctx.cr, CAIRO_OPERATOR_CLEAR);
                cairo_paint(ctx.cr);
                cairo_set_operator(ctx.cr, CAIRO_OPERATOR_OVER);
@@ -556,19 +545,19 @@ int main(int argc, char **argv)
                        cairo_set_source_rgb(ctx.cr, .5, .5, .5);
                        cairo_text_extents(ctx.cr, buf, &extents);
                        cairo_move_to(ctx.cr,
-                                     cairo_image_surface_get_width(surface)-extents.width-6,
+                                     ctx.width-extents.width-6,
                                      6+extents.height);
                        cairo_show_text(ctx.cr, buf);
                }
 
-               show_gpu_top(&ctx, &gpu_top);
-               show_gpu_perf(&ctx, &gpu_perf);
-               show_gpu_freq(&ctx, &gpu_freq);
-               show_gem_objects(&ctx, &gem_objects);
+               show_gpu_top(&ctx, &ctx.gpu_top);
+               show_gpu_perf(&ctx, &ctx.gpu_perf);
+               show_gpu_freq(&ctx, &ctx.gpu_freq);
+               show_gem_objects(&ctx, &ctx.gem_objects);
 
                cairo_destroy(ctx.cr);
 
-               overlay_show(surface);
+               overlay_show(ctx.surface);
        }
 
        return 0;
index 7c5b2d8..3b72098 100644 (file)
@@ -33,5 +33,5 @@ struct overlay {
 
 extern const cairo_user_data_key_t overlay_key;
 
-cairo_surface_t *x11_overlay_create(enum position pos, int max_width, int max_height);
+cairo_surface_t *x11_overlay_create(enum position pos, int *width, int *height);
 void x11_overlay_stop(void);
index b914408..41c02f5 100644 (file)
@@ -118,7 +118,7 @@ static void x11_overlay_destroy(void *data)
 }
 
 cairo_surface_t *
-x11_overlay_create(enum position position, int max_width, int max_height)
+x11_overlay_create(enum position position, int *width, int *height)
 {
        Display *dpy;
        Screen *scr;
@@ -171,23 +171,29 @@ x11_overlay_create(enum position position, int max_width, int max_height)
 
        XSetErrorHandler(noop);
 
-       w = scr->width;
-       switch (position & 7) {
-       default:
-       case 0:
-       case 2: w >>= 1; break;
-       }
-       if (max_width > 0 && w > max_width)
-               w = max_width;
-
-       h = scr->height;
-       switch ((position >> 4) & 7) {
-       default:
-       case 0:
-       case 2: h >>= 1; break;
-       }
-       if (max_height > 0 && h > max_height)
-               h = max_height;
+       if (*width == -1) {
+               w = scr->width;
+               switch (position & 7) {
+               default:
+               case 0:
+               case 2: w >>= 1; break;
+               }
+       } else if (*width > scr->width) {
+               w = scr->width;
+       } else
+               w = *width;
+
+       if (*height == -1) {
+               h = scr->height;
+               switch ((position >> 4) & 7) {
+               default:
+               case 0:
+               case 2: h >>= 1; break;
+               }
+       } else if (*height > scr->height)
+               h = scr->height;
+       else
+               h = *height;
 
        image = XvCreateImage(dpy, port, FOURCC_RGB565, NULL, w, h);
        if (image == NULL)
@@ -301,6 +307,9 @@ x11_overlay_create(enum position position, int max_width, int max_height)
        XvSetPortAttribute(dpy, port, XInternAtom(dpy, "XV_ALWAYS_ON_TOP", True), 1);
 
        close(fd);
+
+       *width = image->width;
+       *height = image->height;
        return surface;
 
 err_surface: