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#include "config.h"
#include "gskvulkanblendpipelineprivate.h"
struct _GskVulkanBlendPipeline
{
GObject parent_instance;
};
typedef struct _GskVulkanVertex GskVulkanVertex;
struct _GskVulkanVertex
{
float x;
float y;
float tex_x;
float tex_y;
};
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 = 4 * sizeof (float),
.inputRate = VK_VERTEX_INPUT_RATE_VERTEX
}
};
static const VkVertexInputAttributeDescription vertexInputAttributeDescription[] = {
{
.location = 0,
.binding = 0,
.format = VK_FORMAT_R32G32_SFLOAT,
.offset = 0,
},
{
.location = 1,
.binding = 0,
.format = VK_FORMAT_R32G32_SFLOAT,
.offset = 2 * sizeof (float),
}
};
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 (GskVulkanPipelineLayout *layout,
const char *shader_name,
VkRenderPass render_pass)
{
return gsk_vulkan_pipeline_new (GSK_TYPE_VULKAN_BLEND_PIPELINE, layout, shader_name, render_pass);
}
gsize
gsk_vulkan_blend_pipeline_count_vertex_data (GskVulkanBlendPipeline *pipeline)
{
return sizeof (GskVulkanVertex) * 6;
}
void
gsk_vulkan_blend_pipeline_collect_vertex_data (GskVulkanBlendPipeline *pipeline,
guchar *data,
const graphene_rect_t *rect)
{
GskVulkanVertex *vertices = (GskVulkanVertex *) data;
vertices[0] = (GskVulkanVertex) { rect->origin.x, rect->origin.y, 0.0, 0.0 };
vertices[1] = (GskVulkanVertex) { rect->origin.x + rect->size.width, rect->origin.y, 1.0, 0.0 };
vertices[2] = (GskVulkanVertex) { rect->origin.x, rect->origin.y + rect->size.height, 0.0, 1.0 };
vertices[3] = (GskVulkanVertex) { rect->origin.x, rect->origin.y + rect->size.height, 0.0, 1.0 };
vertices[4] = (GskVulkanVertex) { rect->origin.x + rect->size.width, rect->origin.y, 1.0, 0.0 };
vertices[5] = (GskVulkanVertex) { rect->origin.x + rect->size.width, rect->origin.y + rect->size.height, 1.0, 1.0 };
}
gsize
gsk_vulkan_blend_pipeline_draw (GskVulkanBlendPipeline *pipeline,
VkCommandBuffer command_buffer,
gsize offset,
gsize n_commands)
{
vkCmdDraw (command_buffer,
n_commands * 6, 1,
offset, 0);
return n_commands * 6;
}
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