gstreamer/ext/vulkan/vkcolorconvert.h

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/*
* GStreamer
* Copyright (C) 2019 Matthew Waters <matthew@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef _VK_COLOR_CONVERT_H_
#define _VK_COLOR_CONVERT_H_
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/vulkan/vulkan.h>
#include "vkfullscreenrender.h"
G_BEGIN_DECLS
#define GST_TYPE_VULKAN_COLOR_CONVERT (gst_vulkan_color_convert_get_type())
#define GST_VULKAN_COLOR_CONVERT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VULKAN_COLOR_CONVERT,GstVulkanColorConvert))
#define GST_VULKAN_COLOR_CONVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VULKAN_COLOR_CONVERT,GstVulkanColorConvertClass))
#define GST_IS_VULKAN_COLOR_CONVERT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VULKAN_COLOR_CONVERT))
#define GST_IS_VULKAN_COLOR_CONVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VULKAN_COLOR_CONVERT))
typedef struct _GstVulkanColorConvert GstVulkanColorConvert;
typedef struct _GstVulkanColorConvertClass GstVulkanColorConvertClass;
#define MAX_PUSH_CONSTANTS 4
typedef struct _shader_info shader_info;
typedef gboolean (*CommandStateUpdate) (GstVulkanColorConvert * conv, VkCommandBuffer cmd, shader_info * sinfo, GstVulkanImageView ** src_views, GstVulkanImageView ** dest_views, GstVulkanFence * fence);
struct _shader_info
{
GstVideoFormat from;
GstVideoFormat to;
CommandStateUpdate cmd_state_update;
gchar *frag_code;
gsize frag_size;
VkPushConstantRange push_constant_ranges[MAX_PUSH_CONSTANTS];
gsize uniform_size;
GDestroyNotify notify;
gpointer user_data;
};
struct _GstVulkanColorConvert
{
GstVulkanFullScreenRender parent;
GstVulkanCommandPool *cmd_pool;
VkSampler sampler;
GstVulkanDescriptorCache *descriptor_pool;
VkShaderModule vert_module;
VkShaderModule frag_module;
VkDescriptorSetLayoutBinding sampler_layout_binding;
VkDescriptorSetLayoutCreateInfo layout_info;
shader_info *current_shader;
GstMemory *uniform;
};
struct _GstVulkanColorConvertClass
{
GstVulkanFullScreenRenderClass parent_class;
};
GType gst_vulkan_color_convert_get_type(void);
G_END_DECLS
#endif