gtk2/gsk/gskvulkanborderpipeline.c

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#include "config.h"
#include "gskvulkanborderpipelineprivate.h"
#include "gskroundedrectprivate.h"
struct _GskVulkanBorderPipeline
{
GObject parent_instance;
};
typedef struct _GskVulkanBorderInstance GskVulkanBorderInstance;
struct _GskVulkanBorderInstance
{
float rect[12];
float widths[4];
float colors[16];
};
G_DEFINE_TYPE (GskVulkanBorderPipeline, gsk_vulkan_border_pipeline, GSK_TYPE_VULKAN_PIPELINE)
static const VkPipelineVertexInputStateCreateInfo *
gsk_vulkan_border_pipeline_get_input_state_create_info (GskVulkanPipeline *self)
{
static const VkVertexInputBindingDescription vertexBindingDescriptions[] = {
{
.binding = 0,
.stride = sizeof (GskVulkanBorderInstance),
.inputRate = VK_VERTEX_INPUT_RATE_INSTANCE
}
};
static const VkVertexInputAttributeDescription vertexInputAttributeDescription[] = {
{
.location = 0,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanBorderInstance, rect),
},
{
.location = 1,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanBorderInstance, rect) + 4 * sizeof (float),
},
{
.location = 2,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanBorderInstance, rect) + 8 * sizeof (float),
},
{
.location = 3,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanBorderInstance, widths),
},
{
.location = 4,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanBorderInstance, colors),
},
{
.location = 5,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanBorderInstance, colors) + 4 * sizeof (float),
},
{
.location = 6,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanBorderInstance, colors) + 8 * sizeof (float),
},
{
.location = 7,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanBorderInstance, colors) + 12 * 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_border_pipeline_finalize (GObject *gobject)
{
//GskVulkanBorderPipeline *self = GSK_VULKAN_BORDER_PIPELINE (gobject);
G_OBJECT_CLASS (gsk_vulkan_border_pipeline_parent_class)->finalize (gobject);
}
static void
gsk_vulkan_border_pipeline_class_init (GskVulkanBorderPipelineClass *klass)
{
GskVulkanPipelineClass *pipeline_class = GSK_VULKAN_PIPELINE_CLASS (klass);
G_OBJECT_CLASS (klass)->finalize = gsk_vulkan_border_pipeline_finalize;
pipeline_class->get_input_state_create_info = gsk_vulkan_border_pipeline_get_input_state_create_info;
}
static void
gsk_vulkan_border_pipeline_init (GskVulkanBorderPipeline *self)
{
}
GskVulkanPipeline *
gsk_vulkan_border_pipeline_new (GskVulkanPipelineLayout *layout,
const char *shader_name,
VkRenderPass render_pass)
{
return gsk_vulkan_pipeline_new (GSK_TYPE_VULKAN_BORDER_PIPELINE, layout, shader_name, render_pass);
}
gsize
gsk_vulkan_border_pipeline_count_vertex_data (GskVulkanBorderPipeline *pipeline)
{
return sizeof (GskVulkanBorderInstance);
}
void
gsk_vulkan_border_pipeline_collect_vertex_data (GskVulkanBorderPipeline *pipeline,
guchar *data,
const GskRoundedRect *rect,
const float widths[4],
const GdkRGBA colors[4])
{
GskVulkanBorderInstance *instance = (GskVulkanBorderInstance *) data;
guint i;
gsk_rounded_rect_to_float (rect, instance->rect);
for (i = 0; i < 4; i++)
{
instance->widths[i] = widths[i];
instance->colors[4 * i + 0] = colors[i].red;
instance->colors[4 * i + 1] = colors[i].green;
instance->colors[4 * i + 2] = colors[i].blue;
instance->colors[4 * i + 3] = colors[i].alpha;
}
}
gsize
gsk_vulkan_border_pipeline_draw (GskVulkanBorderPipeline *pipeline,
VkCommandBuffer command_buffer,
gsize offset,
gsize n_commands)
{
vkCmdDraw (command_buffer,
6 * 8, n_commands,
0, offset);
return n_commands;
}