summaryrefslogtreecommitdiff
path: root/gsk/vulkan/gskvulkaneffectpipeline.c
blob: aa9973c7115a711c8ebb050d0149eea056ef529a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
#include "config.h"

#include "gskvulkaneffectpipelineprivate.h"

struct _GskVulkanEffectPipeline
{
  GObject parent_instance;
};

typedef struct _GskVulkanEffectInstance GskVulkanEffectInstance;

struct _GskVulkanEffectInstance
{
  float rect[4];
  float tex_rect[4];
  float color_matrix[16];
  float color_offset[4];
};

G_DEFINE_TYPE (GskVulkanEffectPipeline, gsk_vulkan_effect_pipeline, GSK_TYPE_VULKAN_PIPELINE)

static const VkPipelineVertexInputStateCreateInfo *
gsk_vulkan_effect_pipeline_get_input_state_create_info (GskVulkanPipeline *self)
{
  static const VkVertexInputBindingDescription vertexBindingDescriptions[] = {
      {
          .binding = 0,
          .stride = sizeof (GskVulkanEffectInstance),
          .inputRate = VK_VERTEX_INPUT_RATE_INSTANCE
      }
  };
  static const VkVertexInputAttributeDescription vertexInputAttributeDescription[] = {
      {
          .location = 0,
          .binding = 0,
          .format = VK_FORMAT_R32G32B32A32_SFLOAT,
          .offset = 0,
      },
      {
          .location = 1,
          .binding = 0,
          .format = VK_FORMAT_R32G32B32A32_SFLOAT,
          .offset = G_STRUCT_OFFSET (GskVulkanEffectInstance, tex_rect),
      },
      {
          .location = 2,
          .binding = 0,
          .format = VK_FORMAT_R32G32B32A32_SFLOAT,
          .offset = G_STRUCT_OFFSET (GskVulkanEffectInstance, color_matrix),
      },
      {
          .location = 3,
          .binding = 0,
          .format = VK_FORMAT_R32G32B32A32_SFLOAT,
          .offset = G_STRUCT_OFFSET (GskVulkanEffectInstance, color_matrix) + sizeof (float) * 4,
      },
      {
          .location = 4,
          .binding = 0,
          .format = VK_FORMAT_R32G32B32A32_SFLOAT,
          .offset = G_STRUCT_OFFSET (GskVulkanEffectInstance, color_matrix) + sizeof (float) * 8,
      },
      {
          .location = 5,
          .binding = 0,
          .format = VK_FORMAT_R32G32B32A32_SFLOAT,
          .offset = G_STRUCT_OFFSET (GskVulkanEffectInstance, color_matrix) + sizeof (float) * 12,
      },
      {
          .location = 6,
          .binding = 0,
          .format = VK_FORMAT_R32G32B32A32_SFLOAT,
          .offset = G_STRUCT_OFFSET (GskVulkanEffectInstance, color_offset),
      }
  };
  static const VkPipelineVertexInputStateCreateInfo info = {
      .sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
      .vertexBindingDescriptionCount = G_N_ELEMENTS (vertexBindingDescriptions),
      .pVertexBindingDescriptions = vertexBindingDescriptions,
      .vertexAttributeDescriptionCount = G_N_ELEMENTS (vertexInputAttributeDescription),
      .pVertexAttributeDescriptions = vertexInputAttributeDescription
  };

  return &info;
}

static void
gsk_vulkan_effect_pipeline_finalize (GObject *gobject)
{
  //GskVulkanEffectPipeline *self = GSK_VULKAN_EFFECT_PIPELINE (gobject);

  G_OBJECT_CLASS (gsk_vulkan_effect_pipeline_parent_class)->finalize (gobject);
}

static void
gsk_vulkan_effect_pipeline_class_init (GskVulkanEffectPipelineClass *klass)
{
  GskVulkanPipelineClass *pipeline_class = GSK_VULKAN_PIPELINE_CLASS (klass);

  G_OBJECT_CLASS (klass)->finalize = gsk_vulkan_effect_pipeline_finalize;

  pipeline_class->get_input_state_create_info = gsk_vulkan_effect_pipeline_get_input_state_create_info;
}

static void
gsk_vulkan_effect_pipeline_init (GskVulkanEffectPipeline *self)
{
}

GskVulkanPipeline *
gsk_vulkan_effect_pipeline_new (GdkVulkanContext        *context,
                                VkPipelineLayout         layout,
                                const char              *shader_name,
                                VkRenderPass             render_pass)
{
  return gsk_vulkan_pipeline_new (GSK_TYPE_VULKAN_EFFECT_PIPELINE, context, layout, shader_name, render_pass);
}

gsize
gsk_vulkan_effect_pipeline_count_vertex_data (GskVulkanEffectPipeline *pipeline)
{
  return sizeof (GskVulkanEffectInstance);
}

void
gsk_vulkan_effect_pipeline_collect_vertex_data (GskVulkanEffectPipeline *pipeline,
                                                guchar                  *data,
                                                const graphene_rect_t   *rect,
                                                const graphene_rect_t   *tex_rect,
                                                const graphene_matrix_t *color_matrix,
                                                const graphene_vec4_t   *color_offset)
{
  GskVulkanEffectInstance *instance = (GskVulkanEffectInstance *) data;

  instance->rect[0] = rect->origin.x;
  instance->rect[1] = rect->origin.y;
  instance->rect[2] = rect->size.width;
  instance->rect[3] = rect->size.height;
  instance->tex_rect[0] = tex_rect->origin.x;
  instance->tex_rect[1] = tex_rect->origin.y;
  instance->tex_rect[2] = tex_rect->size.width;
  instance->tex_rect[3] = tex_rect->size.height;
  graphene_matrix_to_float (color_matrix, instance->color_matrix);
  graphene_vec4_to_float (color_offset, instance->color_offset);
}

gsize
gsk_vulkan_effect_pipeline_draw (GskVulkanEffectPipeline *pipeline,
                                VkCommandBuffer           command_buffer,
                                gsize                     offset,
                                gsize                     n_commands)
{
  vkCmdDraw (command_buffer,
             6, n_commands,
             0, offset);

  return n_commands;
}