gtk2/gsk/gskvulkanrenderer.c
2016-12-23 08:11:01 +01:00

358 lines
10 KiB
C

#include "config.h"
#include "gskvulkanrendererprivate.h"
#include "gskdebugprivate.h"
#include "gskprivate.h"
#include "gskrendererprivate.h"
#include "gskrendernodeprivate.h"
#include "gsktextureprivate.h"
#include "gskvulkanbufferprivate.h"
#include "gskvulkanimageprivate.h"
#include "gskvulkanpipelineprivate.h"
#include "gskvulkanrenderprivate.h"
#include <graphene.h>
typedef struct _GskVulkanTextureData GskVulkanTextureData;
struct _GskVulkanTextureData {
GskTexture *texture;
GskVulkanImage *image;
GskVulkanRenderer *renderer;
};
#ifdef G_ENABLE_DEBUG
typedef struct {
GQuark cpu_time;
GQuark gpu_time;
} ProfileTimers;
#endif
struct _GskVulkanRenderer
{
GskRenderer parent_instance;
GdkVulkanContext *vulkan;
guint n_targets;
GskVulkanImage **targets;
VkSampler sampler;
GskVulkanRender *render;
GSList *textures;
#ifdef G_ENABLE_DEBUG
ProfileTimers profile_timers;
#endif
};
struct _GskVulkanRendererClass
{
GskRendererClass parent_class;
};
G_DEFINE_TYPE (GskVulkanRenderer, gsk_vulkan_renderer, GSK_TYPE_RENDERER)
static void
gsk_vulkan_renderer_free_targets (GskVulkanRenderer *self)
{
guint i;
for (i = 0; i < self->n_targets; i++)
{
g_object_unref (self->targets[i]);
}
g_clear_pointer (&self->targets, g_free);
self->n_targets = 0;
}
static void
gsk_vulkan_renderer_update_images_cb (GdkVulkanContext *context,
GskVulkanRenderer *self)
{
GdkWindow *window;
gint scale_factor;
gsize width, height;
guint i;
gsk_vulkan_renderer_free_targets (self);
self->n_targets = gdk_vulkan_context_get_n_images (context);
self->targets = g_new (GskVulkanImage *, self->n_targets);
window = gsk_renderer_get_window (GSK_RENDERER (self));
scale_factor = gdk_window_get_scale_factor (window);
width = gdk_window_get_width (window) * scale_factor;
height = gdk_window_get_height (window) * scale_factor;
for (i = 0; i < self->n_targets; i++)
{
self->targets[i] = gsk_vulkan_image_new_for_swapchain (self->vulkan,
gdk_vulkan_context_get_image (context, i),
gdk_vulkan_context_get_image_format (self->vulkan),
width, height);
}
}
static gboolean
gsk_vulkan_renderer_realize (GskRenderer *renderer,
GdkWindow *window,
GError **error)
{
GskVulkanRenderer *self = GSK_VULKAN_RENDERER (renderer);
VkDevice device;
self->vulkan = gdk_window_create_vulkan_context (window, error);
if (self->vulkan == NULL)
return FALSE;
device = gdk_vulkan_context_get_device (self->vulkan);
GSK_VK_CHECK (vkCreateSampler, device,
&(VkSamplerCreateInfo) {
.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO,
.magFilter = VK_FILTER_LINEAR,
.minFilter = VK_FILTER_LINEAR,
.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER,
.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER,
.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT,
.borderColor = VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK,
.unnormalizedCoordinates = VK_FALSE
},
NULL,
&self->sampler);
g_signal_connect (self->vulkan,
"images-updated",
G_CALLBACK (gsk_vulkan_renderer_update_images_cb),
self);
gsk_vulkan_renderer_update_images_cb (self->vulkan, self);
self->render = gsk_vulkan_render_new (renderer, self->vulkan);
return TRUE;
}
static void
gsk_vulkan_renderer_unrealize (GskRenderer *renderer)
{
GskVulkanRenderer *self = GSK_VULKAN_RENDERER (renderer);
VkDevice device;
GSList *l;
for (l = self->textures; l; l = l->next)
{
GskVulkanTextureData *data = l->data;
data->renderer = NULL;
gsk_texture_clear_render_data (data->texture);
}
g_clear_pointer (&self->textures, (GDestroyNotify) g_slist_free);
g_clear_pointer (&self->render, gsk_vulkan_render_free);
device = gdk_vulkan_context_get_device (self->vulkan);
gsk_vulkan_renderer_free_targets (self);
g_signal_handlers_disconnect_by_func(self->vulkan,
gsk_vulkan_renderer_update_images_cb,
self);
vkDestroySampler (device,
self->sampler,
NULL);
self->sampler = VK_NULL_HANDLE;
g_clear_object (&self->vulkan);
}
static GskTexture *
gsk_vulkan_renderer_render_texture (GskRenderer *renderer,
GskRenderNode *root,
const graphene_rect_t *viewport)
{
GskVulkanRenderer *self = GSK_VULKAN_RENDERER (renderer);
GskVulkanRender *render;
GskVulkanImage *image;
GskTexture *texture;
#ifdef G_ENABLE_DEBUG
GskProfiler *profiler;
gint64 cpu_time;
#endif
#ifdef G_ENABLE_DEBUG
profiler = gsk_renderer_get_profiler (renderer);
gsk_profiler_timer_begin (profiler, self->profile_timers.cpu_time);
#endif
render = gsk_vulkan_render_new (renderer, self->vulkan);
image = gsk_vulkan_image_new_for_framebuffer (self->vulkan,
ceil (viewport->size.width),
ceil (viewport->size.height));
gsk_vulkan_render_reset (render, image, viewport);
gsk_vulkan_render_add_node (render, root);
gsk_vulkan_render_upload (render);
gsk_vulkan_render_draw (render, self->sampler);
texture = gsk_vulkan_render_download_target (render);
g_object_unref (image);
gsk_vulkan_render_free (render);
#ifdef G_ENABLE_DEBUG
cpu_time = gsk_profiler_timer_end (profiler, self->profile_timers.cpu_time);
gsk_profiler_timer_set (profiler, self->profile_timers.cpu_time, cpu_time);
gsk_profiler_push_samples (profiler);
#endif
return texture;
}
static void
gsk_vulkan_renderer_render (GskRenderer *renderer,
GskRenderNode *root)
{
GskVulkanRenderer *self = GSK_VULKAN_RENDERER (renderer);
GskVulkanRender *render;
#ifdef G_ENABLE_DEBUG
GskProfiler *profiler;
gint64 cpu_time;
#endif
#ifdef G_ENABLE_DEBUG
profiler = gsk_renderer_get_profiler (renderer);
gsk_profiler_timer_begin (profiler, self->profile_timers.cpu_time);
#endif
render = self->render;
gsk_vulkan_render_reset (render, self->targets[gdk_vulkan_context_get_draw_index (self->vulkan)], NULL);
gsk_vulkan_render_add_node (render, root);
gsk_vulkan_render_upload (render);
gsk_vulkan_render_draw (render, self->sampler);
#ifdef G_ENABLE_DEBUG
cpu_time = gsk_profiler_timer_end (profiler, self->profile_timers.cpu_time);
gsk_profiler_timer_set (profiler, self->profile_timers.cpu_time, cpu_time);
gsk_profiler_push_samples (profiler);
#endif
}
static GdkDrawingContext *
gsk_vulkan_renderer_begin_draw_frame (GskRenderer *renderer,
const cairo_region_t *region)
{
GskVulkanRenderer *self = GSK_VULKAN_RENDERER (renderer);
cairo_region_t *whole_window;
GdkDrawingContext *result;
GdkWindow *window;
window = gsk_renderer_get_window (renderer);
whole_window = cairo_region_create_rectangle (&(GdkRectangle) {
0, 0,
gdk_window_get_width (window),
gdk_window_get_height (window)
});
result = gdk_window_begin_draw_frame (window,
GDK_DRAW_CONTEXT (self->vulkan),
whole_window);
cairo_region_destroy (whole_window);
return result;
}
static void
gsk_vulkan_renderer_class_init (GskVulkanRendererClass *klass)
{
GskRendererClass *renderer_class = GSK_RENDERER_CLASS (klass);
renderer_class->realize = gsk_vulkan_renderer_realize;
renderer_class->unrealize = gsk_vulkan_renderer_unrealize;
renderer_class->render = gsk_vulkan_renderer_render;
renderer_class->render_texture = gsk_vulkan_renderer_render_texture;
renderer_class->begin_draw_frame = gsk_vulkan_renderer_begin_draw_frame;
}
static void
gsk_vulkan_renderer_init (GskVulkanRenderer *self)
{
#ifdef G_ENABLE_DEBUG
GskProfiler *profiler = gsk_renderer_get_profiler (GSK_RENDERER (self));
#endif
gsk_ensure_resources ();
#ifdef G_ENABLE_DEBUG
self->profile_timers.cpu_time = gsk_profiler_add_timer (profiler, "cpu-time", "CPU time", FALSE, TRUE);
#endif
}
static void
gsk_vulkan_renderer_clear_texture (gpointer p)
{
GskVulkanTextureData *data = p;
if (data->renderer != NULL)
data->renderer->textures = g_slist_remove (data->renderer->textures, data);
g_object_unref (data->image);
g_slice_free (GskVulkanTextureData, data);
}
GskVulkanImage *
gsk_vulkan_renderer_ref_texture_image (GskVulkanRenderer *self,
GskTexture *texture,
GskVulkanUploader *uploader)
{
GskVulkanTextureData *data;
cairo_surface_t *surface;
GskVulkanImage *image;
data = gsk_texture_get_render_data (texture, self);
if (data)
return g_object_ref (data->image);
surface = gsk_texture_download_surface (texture);
image = gsk_vulkan_image_new_from_data (uploader,
cairo_image_surface_get_data (surface),
cairo_image_surface_get_width (surface),
cairo_image_surface_get_height (surface),
cairo_image_surface_get_stride (surface));
cairo_surface_destroy (surface);
data = g_slice_new0 (GskVulkanTextureData);
data->image = image;
data->texture = texture;
data->renderer = self;
if (gsk_texture_set_render_data (texture, self, data, gsk_vulkan_renderer_clear_texture))
{
g_object_ref (data->image);
self->textures = g_slist_prepend (self->textures, data);
}
else
{
g_slice_free (GskVulkanTextureData, data);
}
return image;
}