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#include "config.h"
#include "gskvulkanblendpipelineprivate.h"
struct _GskVulkanBlendPipeline
{
GObject parent_instance;
};
typedef struct _GskVulkanBlendInstance GskVulkanBlendInstance;
struct _GskVulkanBlendInstance
{
float rect[4];
float tex_rect[4];
};
G_DEFINE_TYPE (GskVulkanBlendPipeline, gsk_vulkan_blend_pipeline, GSK_TYPE_VULKAN_PIPELINE)
static const VkPipelineVertexInputStateCreateInfo *
gsk_vulkan_blend_pipeline_get_input_state_create_info (GskVulkanPipeline *self)
{
static const VkVertexInputBindingDescription vertexBindingDescriptions[] = {
{
.binding = 0,
.stride = sizeof (GskVulkanBlendInstance),
.inputRate = VK_VERTEX_INPUT_RATE_INSTANCE
}
};
static const VkVertexInputAttributeDescription vertexInputAttributeDescription[] = {
{
.location = 0,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanBlendInstance, rect),
},
{
.location = 1,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanBlendInstance, tex_rect),
}
};
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_blend_pipeline_finalize (GObject *gobject)
{
//GskVulkanBlendPipeline *self = GSK_VULKAN_BLEND_PIPELINE (gobject);
G_OBJECT_CLASS (gsk_vulkan_blend_pipeline_parent_class)->finalize (gobject);
}
static void
gsk_vulkan_blend_pipeline_class_init (GskVulkanBlendPipelineClass *klass)
{
GskVulkanPipelineClass *pipeline_class = GSK_VULKAN_PIPELINE_CLASS (klass);
G_OBJECT_CLASS (klass)->finalize = gsk_vulkan_blend_pipeline_finalize;
pipeline_class->get_input_state_create_info = gsk_vulkan_blend_pipeline_get_input_state_create_info;
}
static void
gsk_vulkan_blend_pipeline_init (GskVulkanBlendPipeline *self)
{
}
GskVulkanPipeline *
gsk_vulkan_blend_pipeline_new (GdkVulkanContext *context,
VkPipelineLayout layout,
const char *shader_name,
VkRenderPass render_pass)
{
return gsk_vulkan_pipeline_new (GSK_TYPE_VULKAN_BLEND_PIPELINE, context, layout, shader_name, render_pass);
}
gsize
gsk_vulkan_blend_pipeline_count_vertex_data (GskVulkanBlendPipeline *pipeline)
{
return sizeof (GskVulkanBlendInstance);
}
void
gsk_vulkan_blend_pipeline_collect_vertex_data (GskVulkanBlendPipeline *pipeline,
guchar *data,
const graphene_rect_t *rect,
const graphene_rect_t *tex_rect)
{
GskVulkanBlendInstance *instance = (GskVulkanBlendInstance *) 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] = (rect->origin.x - tex_rect->origin.x)/tex_rect->size.width;
instance->tex_rect[1] = (rect->origin.y - tex_rect->origin.y)/tex_rect->size.height;
instance->tex_rect[2] = (rect->size.width + rect->origin.x - tex_rect->origin.x)/tex_rect->size.width;
instance->tex_rect[3] = (rect->size.height + rect->origin.y - tex_rect->origin.y)/tex_rect->size.height;
}
gsize
gsk_vulkan_blend_pipeline_draw (GskVulkanBlendPipeline *pipeline,
VkCommandBuffer command_buffer,
gsize offset,
gsize n_commands)
{
vkCmdDraw (command_buffer,
6, n_commands,
0, offset);
return n_commands;
}
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