forked from AuroraMiddleware/gtk
121 lines
4.0 KiB
C
121 lines
4.0 KiB
C
#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;
|
|
}
|