Learning_GTK4_tree/gsk/vulkan/gskvulkanpushconstantsop.c

122 lines
3.4 KiB
C

#include "config.h"
#include "gskvulkanpushconstantsopprivate.h"
#include "gskroundedrectprivate.h"
#include "gskvulkanprivate.h"
typedef struct _GskVulkanPushConstantsOp GskVulkanPushConstantsOp;
typedef struct _GskVulkanPushConstantsInstance GskVulkanPushConstantsInstance;
struct _GskVulkanPushConstantsInstance
{
float mvp[16];
float clip[12];
float scale[2];
};
struct _GskVulkanPushConstantsOp
{
GskVulkanOp op;
GskVulkanPushConstantsInstance instance;
};
uint32_t
gsk_vulkan_push_constants_get_range_count (void)
{
return 1;
}
const VkPushConstantRange *
gsk_vulkan_push_constants_get_ranges (void)
{
static const VkPushConstantRange ranges[1] = {
{
.stageFlags = VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT,
.offset = 0,
.size = sizeof (GskVulkanPushConstantsInstance)
}
};
return ranges;
}
static void
gsk_vulkan_push_constants_op_finish (GskVulkanOp *op)
{
}
static void
gsk_vulkan_push_constants_op_print (GskVulkanOp *op,
GString *string,
guint indent)
{
print_indent (string, indent);
g_string_append_printf (string, "push-constants ");
print_newline (string);
}
static gsize
gsk_vulkan_push_constants_op_count_vertex_data (GskVulkanOp *op,
gsize n_bytes)
{
return n_bytes;
}
static void
gsk_vulkan_push_constants_op_collect_vertex_data (GskVulkanOp *op,
guchar *data)
{
}
static void
gsk_vulkan_push_constants_op_reserve_descriptor_sets (GskVulkanOp *op,
GskVulkanRender *render)
{
}
static GskVulkanOp *
gsk_vulkan_push_constants_op_command (GskVulkanOp *op,
GskVulkanRender *render,
VkRenderPass render_pass,
VkCommandBuffer command_buffer)
{
GskVulkanPushConstantsOp *self = (GskVulkanPushConstantsOp *) op;
vkCmdPushConstants (command_buffer,
gsk_vulkan_render_get_pipeline_layout (render),
VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT,
0,
sizeof (self->instance),
&self->instance);
return op->next;
}
static const GskVulkanOpClass GSK_VULKAN_PUSH_CONSTANTS_OP_CLASS = {
GSK_VULKAN_OP_SIZE (GskVulkanPushConstantsOp),
GSK_VULKAN_STAGE_COMMAND,
gsk_vulkan_push_constants_op_finish,
gsk_vulkan_push_constants_op_print,
gsk_vulkan_push_constants_op_count_vertex_data,
gsk_vulkan_push_constants_op_collect_vertex_data,
gsk_vulkan_push_constants_op_reserve_descriptor_sets,
gsk_vulkan_push_constants_op_command
};
void
gsk_vulkan_push_constants_op (GskVulkanRender *render,
const graphene_vec2_t *scale,
const graphene_matrix_t *mvp,
const GskRoundedRect *clip)
{
GskVulkanPushConstantsOp *self;
self = (GskVulkanPushConstantsOp *) gsk_vulkan_op_alloc (render, &GSK_VULKAN_PUSH_CONSTANTS_OP_CLASS);
graphene_matrix_to_float (mvp, self->instance.mvp);
gsk_rounded_rect_to_float (clip, graphene_point_zero (), self->instance.clip);
graphene_vec2_to_float (scale, self->instance.scale);
}