ext/vulkan/vkfullscreenquad.h

   1 /*
   2  * GStreamer Plugins
   3  * Copyright (C) 2019 Matthew Waters <matthew@centricular.com>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  18  * Boston, MA 02110-1301, USA.
  19  */
  20
  21 #ifndef __GST_VULKAN_FULL_SCREEN_QUAD_H__
  22 #define __GST_VULKAN_FULL_SCREEN_QUAD_H__
  23
  24
  25 #include <gst/gst.h>
  26
  27 #include <gst/vulkan/vulkan.h>
  28
  29 G_BEGIN_DECLS
  30
  31 GType gst_vulkan_full_screen_quad_get_type (void);
  32 #define GST_TYPE_VULKAN_FULL_SCREEN_QUAD            (gst_vulkan_full_screen_quad_get_type ())
  33 #define GST_VULKAN_FULL_SCREEN_QUAD(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VULKAN_FULL_SCREEN_QUAD, GstVulkanFullScreenQuad))
  34 #define GST_VULKAN_FULL_SCREEN_QUAD_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_VULKAN_FULL_SCREEN_QUAD, GstVulkanFullScreenQuadClass))
  35 #define GST_IS_VULKAN_FULL_SCREEN_QUAD(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VULKAN_FULL_SCREEN_QUAD))
  36 #define GST_IS_VULKAN_FULL_SCREEN_QUAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_VULKAN_FULL_SCREEN_QUAD))
  37 #define GST_VULKAN_FULL_SCREEN_QUAD_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VULKAN_FULL_SCREEN_QUAD, GstVulkanFullScreenQuadClass))
  38
  39 /* XXX: privatise this on moving to lib */
  40 struct Vertex
  41 {
  42   float x, y, z;
  43   float s, t;
  44 };
  45
  46 typedef struct _GstVulkanFullScreenQuad GstVulkanFullScreenQuad;
  47 typedef struct _GstVulkanFullScreenQuadClass GstVulkanFullScreenQuadClass;
  48 typedef struct _GstVulkanFullScreenQuadPrivate GstVulkanFullScreenQuadPrivate;
  49
  50 struct _GstVulkanFullScreenQuad
  51 {
  52   GstObject                         parent;
  53
  54   GstVideoInfo                      out_info;
  55   GstVideoInfo                      in_info;
  56
  57   GstVulkanQueue                   *queue;
  58
  59   GstVulkanHandle                  *render_pass;
  60   GstVulkanHandle                  *pipeline_layout;
  61   GstVulkanHandle                  *graphics_pipeline;
  62   GstVulkanHandle                  *descriptor_set_layout;
  63   GstVulkanDescriptorCache         *descriptor_cache;
  64   GstVulkanDescriptorSet           *descriptor_set;
  65   GstVulkanHandle                  *framebuffer;
  66   GstVulkanHandle                  *sampler;
  67
  68   GstVulkanCommandPool             *cmd_pool;
  69
  70   GstVulkanTrashList               *trash_list;
  71   GstVulkanFence                   *last_fence;
  72 };
  73
  74 struct _GstVulkanFullScreenQuadClass
  75 {
  76   GstObjectClass                    parent_class;
  77 };
  78
  79 GstVulkanFullScreenQuad *   gst_vulkan_full_screen_quad_new         (GstVulkanQueue * queue);
  80
  81 gboolean            gst_vulkan_full_screen_quad_set_info            (GstVulkanFullScreenQuad * self, GstVideoInfo *in_info, GstVideoInfo * out_info);
  82 gboolean            gst_vulkan_full_screen_quad_set_shaders         (GstVulkanFullScreenQuad * self, GstVulkanHandle * vert, GstVulkanHandle * frag);
  83 gboolean            gst_vulkan_full_screen_quad_set_uniform_buffer  (GstVulkanFullScreenQuad * self, GstMemory * uniforms, GError ** error);
  84
  85 gboolean            gst_vulkan_full_screen_quad_set_input_buffer    (GstVulkanFullScreenQuad * self, GstBuffer * buffer, GError ** error);
  86 gboolean            gst_vulkan_full_screen_quad_set_output_buffer   (GstVulkanFullScreenQuad * self, GstBuffer * buffer, GError ** error);
  87
  88 gboolean            gst_vulkan_full_screen_quad_prepare_draw        (GstVulkanFullScreenQuad * self, GstVulkanFence * fence, GError ** error);
  89 gboolean            gst_vulkan_full_screen_quad_fill_command_buffer (GstVulkanFullScreenQuad * self, GstVulkanCommandBuffer * cmd, GstVulkanFence * fence, GError ** error);
  90 gboolean            gst_vulkan_full_screen_quad_submit              (GstVulkanFullScreenQuad * self, GstVulkanCommandBuffer * cmd, GstVulkanFence * fence, GError ** error);
  91 gboolean            gst_vulkan_full_screen_quad_draw                (GstVulkanFullScreenQuad * self, GError ** error);
  92
  93 GstVulkanFence *    gst_vulkan_full_screen_quad_get_last_fence      (GstVulkanFullScreenQuad * self);
  94
  95 G_END_DECLS
  96 #endif /* __GST_VULKAN_FULL_SCREEN_QUAD_H__ */