forked from AuroraMiddleware/gtk
419 lines
13 KiB
C
419 lines
13 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 "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 "gdk/gdktextureprivate.h"
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#include "gdk/gdkprofilerprivate.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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GdkTexture *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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static guint texture_pixels_counter;
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static guint fallback_pixels_counter;
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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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GdkSurface *window;
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int 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_surface (GSK_RENDERER (self));
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scale_factor = gdk_surface_get_scale_factor (window);
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width = gdk_surface_get_width (window) * scale_factor;
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height = gdk_surface_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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GdkSurface *surface,
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GError **error)
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{
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GskVulkanRenderer *self = GSK_VULKAN_RENDERER (renderer);
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if (surface == NULL)
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{
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g_set_error (error, GDK_VULKAN_ERROR, GDK_VULKAN_ERROR_UNSUPPORTED,
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"The Vulkan renderer does not support surfaceless rendering yet.");
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return FALSE;
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}
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self->vulkan = gdk_surface_create_vulkan_context (surface, 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 (renderer, 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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gdk_texture_clear_render_data (data->texture);
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}
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g_clear_pointer (&self->textures, 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 GdkTexture *
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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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GdkTexture *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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gint64 start_time G_GNUC_UNUSED;
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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, 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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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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start_time = gsk_profiler_timer_get_start (profiler, self->profile_timers.cpu_time);
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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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if (GDK_PROFILER_IS_RUNNING)
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{
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gdk_profiler_add_mark (start_time * 1000, cpu_time * 1000, "render", "");
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gdk_profiler_set_int_counter (texture_pixels_counter,
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gsk_profiler_counter_get (profiler, self->profile_counters.texture_pixels));
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gdk_profiler_set_int_counter (fallback_pixels_counter,
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gsk_profiler_counter_get (profiler, self->profile_counters.fallback_pixels));
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}
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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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const cairo_region_t *region)
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{
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GskVulkanRenderer *self = GSK_VULKAN_RENDERER (renderer);
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GskVulkanRender *render;
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const cairo_region_t *clip;
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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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gdk_draw_context_begin_frame (GDK_DRAW_CONTEXT (self->vulkan), region);
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render = self->render;
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clip = gdk_draw_context_get_frame_region (GDK_DRAW_CONTEXT (self->vulkan));
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gsk_vulkan_render_reset (render, self->targets[gdk_vulkan_context_get_draw_index (self->vulkan)], NULL, clip);
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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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gdk_draw_context_end_frame (GDK_DRAW_CONTEXT (self->vulkan));
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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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}
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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_RENDERER_DEBUG_CHECK (GSK_RENDERER (self), 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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if (texture_pixels_counter == 0)
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{
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texture_pixels_counter = gdk_profiler_define_int_counter ("texture-pixels", "Texture Pixels");
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fallback_pixels_counter = gdk_profiler_define_int_counter ("fallback-pixels", "Fallback Pixels");
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}
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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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GdkTexture *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 = gdk_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 = gdk_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 (gdk_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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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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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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int x,
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int y,
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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, x, y, scale)->texture_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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int x,
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int y,
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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, x, y, scale);
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}
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/**
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* gsk_vulkan_renderer_new:
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*
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* Creates a new Vulkan renderer.
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*
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* The Vulkan renderer is a renderer that uses the Vulkan library for
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* rendering.
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*
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* This function is only available when GTK was compiled with Vulkan
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* support.
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*
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* Returns: a new Vulkan renderer
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**/
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GskRenderer *
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gsk_vulkan_renderer_new (void)
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{
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return g_object_new (GSK_TYPE_VULKAN_RENDERER, NULL);
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}
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