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a0bbd14325
Pass a scale factor when caching glyphs or looking them up in the cache. The glyphs in the cache are rendered with subpixel precision determined by the scale. Update all callers to pass a scale factor according to the window scale. This lets us render crisp glyphs on hidpi systems.
375 lines
11 KiB
C
375 lines
11 KiB
C
#include "config.h"
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#include "gskvulkanrendererprivate.h"
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#include "gskdebugprivate.h"
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#include "gskprivate.h"
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#include "gskrendererprivate.h"
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#include "gskrendernodeprivate.h"
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#include "gsktextureprivate.h"
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#include "gskvulkanbufferprivate.h"
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#include "gskvulkanimageprivate.h"
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#include "gskvulkanpipelineprivate.h"
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#include "gskvulkanrenderprivate.h"
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#include "gskvulkanglyphcacheprivate.h"
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#include <graphene.h>
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typedef struct _GskVulkanTextureData GskVulkanTextureData;
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struct _GskVulkanTextureData {
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GskTexture *texture;
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GskVulkanImage *image;
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GskVulkanRenderer *renderer;
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};
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#ifdef G_ENABLE_DEBUG
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typedef struct {
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GQuark frames;
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GQuark render_passes;
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GQuark fallback_pixels;
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GQuark texture_pixels;
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} ProfileCounters;
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typedef struct {
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GQuark cpu_time;
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GQuark gpu_time;
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} ProfileTimers;
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#endif
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struct _GskVulkanRenderer
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{
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GskRenderer parent_instance;
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GdkVulkanContext *vulkan;
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guint n_targets;
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GskVulkanImage **targets;
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GskVulkanRender *render;
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GSList *textures;
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GskVulkanGlyphCache *glyph_cache;
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#ifdef G_ENABLE_DEBUG
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ProfileCounters profile_counters;
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ProfileTimers profile_timers;
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#endif
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};
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struct _GskVulkanRendererClass
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{
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GskRendererClass parent_class;
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};
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G_DEFINE_TYPE (GskVulkanRenderer, gsk_vulkan_renderer, GSK_TYPE_RENDERER)
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static void
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gsk_vulkan_renderer_free_targets (GskVulkanRenderer *self)
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{
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guint i;
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for (i = 0; i < self->n_targets; i++)
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{
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g_object_unref (self->targets[i]);
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}
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g_clear_pointer (&self->targets, g_free);
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self->n_targets = 0;
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}
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static void
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gsk_vulkan_renderer_update_images_cb (GdkVulkanContext *context,
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GskVulkanRenderer *self)
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{
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GdkWindow *window;
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gint scale_factor;
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gsize width, height;
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guint i;
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gsk_vulkan_renderer_free_targets (self);
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self->n_targets = gdk_vulkan_context_get_n_images (context);
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self->targets = g_new (GskVulkanImage *, self->n_targets);
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window = gsk_renderer_get_window (GSK_RENDERER (self));
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scale_factor = gdk_window_get_scale_factor (window);
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width = gdk_window_get_width (window) * scale_factor;
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height = gdk_window_get_height (window) * scale_factor;
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for (i = 0; i < self->n_targets; i++)
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{
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self->targets[i] = gsk_vulkan_image_new_for_swapchain (self->vulkan,
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gdk_vulkan_context_get_image (context, i),
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gdk_vulkan_context_get_image_format (self->vulkan),
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width, height);
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}
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}
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static gboolean
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gsk_vulkan_renderer_realize (GskRenderer *renderer,
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GdkWindow *window,
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GError **error)
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{
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GskVulkanRenderer *self = GSK_VULKAN_RENDERER (renderer);
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self->vulkan = gdk_window_create_vulkan_context (window, error);
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if (self->vulkan == NULL)
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return FALSE;
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g_signal_connect (self->vulkan,
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"images-updated",
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G_CALLBACK (gsk_vulkan_renderer_update_images_cb),
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self);
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gsk_vulkan_renderer_update_images_cb (self->vulkan, self);
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self->render = gsk_vulkan_render_new (renderer, self->vulkan);
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self->glyph_cache = gsk_vulkan_glyph_cache_new (self->vulkan);
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return TRUE;
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}
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static void
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gsk_vulkan_renderer_unrealize (GskRenderer *renderer)
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{
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GskVulkanRenderer *self = GSK_VULKAN_RENDERER (renderer);
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GSList *l;
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g_clear_object (&self->glyph_cache);
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for (l = self->textures; l; l = l->next)
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{
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GskVulkanTextureData *data = l->data;
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data->renderer = NULL;
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gsk_texture_clear_render_data (data->texture);
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}
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g_clear_pointer (&self->textures, (GDestroyNotify) g_slist_free);
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g_clear_pointer (&self->render, gsk_vulkan_render_free);
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gsk_vulkan_renderer_free_targets (self);
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g_signal_handlers_disconnect_by_func(self->vulkan,
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gsk_vulkan_renderer_update_images_cb,
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self);
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g_clear_object (&self->vulkan);
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}
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static GskTexture *
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gsk_vulkan_renderer_render_texture (GskRenderer *renderer,
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GskRenderNode *root,
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const graphene_rect_t *viewport)
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{
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GskVulkanRenderer *self = GSK_VULKAN_RENDERER (renderer);
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GskVulkanRender *render;
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GskVulkanImage *image;
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GskTexture *texture;
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#ifdef G_ENABLE_DEBUG
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GskProfiler *profiler;
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gint64 cpu_time;
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#endif
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#ifdef G_ENABLE_DEBUG
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profiler = gsk_renderer_get_profiler (renderer);
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gsk_profiler_counter_set (profiler, self->profile_counters.fallback_pixels, 0);
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gsk_profiler_counter_set (profiler, self->profile_counters.texture_pixels, 0);
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gsk_profiler_counter_set (profiler, self->profile_counters.render_passes, 0);
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gsk_profiler_timer_begin (profiler, self->profile_timers.cpu_time);
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#endif
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render = gsk_vulkan_render_new (renderer, self->vulkan);
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image = gsk_vulkan_image_new_for_framebuffer (self->vulkan,
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ceil (viewport->size.width),
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ceil (viewport->size.height));
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gsk_vulkan_render_reset (render, image, viewport);
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gsk_vulkan_render_add_node (render, root);
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gsk_vulkan_render_upload (render);
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gsk_vulkan_render_draw (render);
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texture = gsk_vulkan_render_download_target (render);
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g_object_unref (image);
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gsk_vulkan_render_free (render);
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#ifdef G_ENABLE_DEBUG
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cpu_time = gsk_profiler_timer_end (profiler, self->profile_timers.cpu_time);
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gsk_profiler_timer_set (profiler, self->profile_timers.cpu_time, cpu_time);
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gsk_profiler_push_samples (profiler);
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#endif
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return texture;
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}
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static void
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gsk_vulkan_renderer_render (GskRenderer *renderer,
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GskRenderNode *root)
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{
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GskVulkanRenderer *self = GSK_VULKAN_RENDERER (renderer);
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GskVulkanRender *render;
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#ifdef G_ENABLE_DEBUG
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GskProfiler *profiler;
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gint64 cpu_time;
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#endif
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#ifdef G_ENABLE_DEBUG
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profiler = gsk_renderer_get_profiler (renderer);
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gsk_profiler_counter_set (profiler, self->profile_counters.fallback_pixels, 0);
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gsk_profiler_counter_set (profiler, self->profile_counters.texture_pixels, 0);
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gsk_profiler_counter_set (profiler, self->profile_counters.render_passes, 0);
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gsk_profiler_timer_begin (profiler, self->profile_timers.cpu_time);
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#endif
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render = self->render;
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gsk_vulkan_render_reset (render, self->targets[gdk_vulkan_context_get_draw_index (self->vulkan)], NULL);
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gsk_vulkan_render_add_node (render, root);
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gsk_vulkan_render_upload (render);
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gsk_vulkan_render_draw (render);
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#ifdef G_ENABLE_DEBUG
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gsk_profiler_counter_inc (profiler, self->profile_counters.frames);
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cpu_time = gsk_profiler_timer_end (profiler, self->profile_timers.cpu_time);
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gsk_profiler_timer_set (profiler, self->profile_timers.cpu_time, cpu_time);
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gsk_profiler_push_samples (profiler);
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#endif
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}
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static GdkDrawingContext *
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gsk_vulkan_renderer_begin_draw_frame (GskRenderer *renderer,
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const cairo_region_t *region)
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{
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GskVulkanRenderer *self = GSK_VULKAN_RENDERER (renderer);
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GdkDrawingContext *result;
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result = gdk_window_begin_draw_frame (gsk_renderer_get_window (renderer),
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GDK_DRAW_CONTEXT (self->vulkan),
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region);
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return result;
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}
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static void
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gsk_vulkan_renderer_class_init (GskVulkanRendererClass *klass)
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{
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GskRendererClass *renderer_class = GSK_RENDERER_CLASS (klass);
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renderer_class->realize = gsk_vulkan_renderer_realize;
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renderer_class->unrealize = gsk_vulkan_renderer_unrealize;
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renderer_class->render = gsk_vulkan_renderer_render;
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renderer_class->render_texture = gsk_vulkan_renderer_render_texture;
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renderer_class->begin_draw_frame = gsk_vulkan_renderer_begin_draw_frame;
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}
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static void
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gsk_vulkan_renderer_init (GskVulkanRenderer *self)
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{
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#ifdef G_ENABLE_DEBUG
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GskProfiler *profiler = gsk_renderer_get_profiler (GSK_RENDERER (self));
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#endif
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gsk_ensure_resources ();
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#ifdef G_ENABLE_DEBUG
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self->profile_counters.frames = gsk_profiler_add_counter (profiler, "frames", "Frames", FALSE);
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self->profile_counters.render_passes = gsk_profiler_add_counter (profiler, "render-passes", "Render passes", FALSE);
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self->profile_counters.fallback_pixels = gsk_profiler_add_counter (profiler, "fallback-pixels", "Fallback pixels", TRUE);
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self->profile_counters.texture_pixels = gsk_profiler_add_counter (profiler, "texture-pixels", "Texture pixels", TRUE);
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self->profile_timers.cpu_time = gsk_profiler_add_timer (profiler, "cpu-time", "CPU time", FALSE, TRUE);
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if (GSK_RENDER_MODE_CHECK (SYNC))
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self->profile_timers.gpu_time = gsk_profiler_add_timer (profiler, "gpu-time", "GPU time", FALSE, TRUE);
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#endif
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}
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static void
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gsk_vulkan_renderer_clear_texture (gpointer p)
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{
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GskVulkanTextureData *data = p;
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if (data->renderer != NULL)
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data->renderer->textures = g_slist_remove (data->renderer->textures, data);
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g_object_unref (data->image);
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g_slice_free (GskVulkanTextureData, data);
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}
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GskVulkanImage *
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gsk_vulkan_renderer_ref_texture_image (GskVulkanRenderer *self,
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GskTexture *texture,
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GskVulkanUploader *uploader)
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{
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GskVulkanTextureData *data;
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cairo_surface_t *surface;
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GskVulkanImage *image;
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data = gsk_texture_get_render_data (texture, self);
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if (data)
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return g_object_ref (data->image);
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surface = gsk_texture_download_surface (texture);
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image = gsk_vulkan_image_new_from_data (uploader,
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cairo_image_surface_get_data (surface),
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cairo_image_surface_get_width (surface),
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cairo_image_surface_get_height (surface),
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cairo_image_surface_get_stride (surface));
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cairo_surface_destroy (surface);
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data = g_slice_new0 (GskVulkanTextureData);
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data->image = image;
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data->texture = texture;
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data->renderer = self;
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if (gsk_texture_set_render_data (texture, self, data, gsk_vulkan_renderer_clear_texture))
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{
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g_object_ref (data->image);
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self->textures = g_slist_prepend (self->textures, data);
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}
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else
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{
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g_slice_free (GskVulkanTextureData, data);
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}
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return image;
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}
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guint
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gsk_vulkan_renderer_cache_glyph (GskVulkanRenderer *self,
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PangoFont *font,
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PangoGlyph glyph,
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float scale)
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{
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return gsk_vulkan_glyph_cache_lookup (self->glyph_cache, TRUE, font, glyph, scale)->texture_index;
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}
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GskVulkanImage *
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gsk_vulkan_renderer_ref_glyph_image (GskVulkanRenderer *self,
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GskVulkanUploader *uploader,
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guint index)
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{
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return g_object_ref (gsk_vulkan_glyph_cache_get_glyph_image (self->glyph_cache, uploader, index));
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}
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GskVulkanCachedGlyph *
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gsk_vulkan_renderer_get_cached_glyph (GskVulkanRenderer *self,
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PangoFont *font,
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PangoGlyph glyph,
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float scale)
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{
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return gsk_vulkan_glyph_cache_lookup (self->glyph_cache, FALSE, font, glyph, scale);
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}
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