114 lines
3.8 KiB
C
114 lines
3.8 KiB
C
#include "config.h"
|
|
|
|
#include "gskvulkanlineargradientopprivate.h"
|
|
|
|
#include "gskvulkanprivate.h"
|
|
#include "gskvulkanshaderopprivate.h"
|
|
|
|
#include "vulkan/resources/linear.vert.h"
|
|
|
|
typedef struct _GskVulkanLinearGradientOp GskVulkanLinearGradientOp;
|
|
|
|
struct _GskVulkanLinearGradientOp
|
|
{
|
|
GskVulkanShaderOp op;
|
|
|
|
graphene_rect_t rect;
|
|
graphene_point_t start;
|
|
graphene_point_t end;
|
|
gboolean repeating;
|
|
GskColorStop *stops;
|
|
gsize n_stops;
|
|
|
|
gsize buffer_offset;
|
|
};
|
|
|
|
static void
|
|
gsk_vulkan_linear_gradient_op_finish (GskVulkanOp *op)
|
|
{
|
|
GskVulkanLinearGradientOp *self = (GskVulkanLinearGradientOp *) op;
|
|
|
|
g_free (self->stops);
|
|
}
|
|
|
|
static void
|
|
gsk_vulkan_linear_gradient_op_print (GskVulkanOp *op,
|
|
GString *string,
|
|
guint indent)
|
|
{
|
|
GskVulkanLinearGradientOp *self = (GskVulkanLinearGradientOp *) op;
|
|
|
|
print_indent (string, indent);
|
|
print_rect (string, &self->rect);
|
|
g_string_append_printf (string, "linear-gradient (%zu stops)", self->n_stops);
|
|
print_newline (string);
|
|
}
|
|
|
|
static void
|
|
gsk_vulkan_linear_gradient_op_collect_vertex_data (GskVulkanOp *op,
|
|
guchar *data)
|
|
{
|
|
GskVulkanLinearGradientOp *self = (GskVulkanLinearGradientOp *) op;
|
|
GskVulkanLinearInstance *instance = (GskVulkanLinearInstance *) (data + ((GskVulkanShaderOp *) op)->vertex_offset);
|
|
|
|
gsk_rect_to_float (&self->rect, instance->rect);
|
|
gsk_vulkan_point_to_float (&self->start, instance->start);
|
|
gsk_vulkan_point_to_float (&self->end, instance->end);
|
|
instance->repeating = self->repeating;
|
|
instance->stop_offset = self->buffer_offset;
|
|
instance->stop_count = self->n_stops;
|
|
}
|
|
|
|
static void
|
|
gsk_vulkan_linear_gradient_op_reserve_descriptor_sets (GskVulkanOp *op,
|
|
GskVulkanRender *render)
|
|
{
|
|
GskVulkanLinearGradientOp *self = (GskVulkanLinearGradientOp *) op;
|
|
guchar *mem;
|
|
|
|
mem = gsk_vulkan_render_get_buffer_memory (render,
|
|
self->n_stops * sizeof (GskColorStop),
|
|
G_ALIGNOF (GskColorStop),
|
|
&self->buffer_offset);
|
|
memcpy (mem, self->stops, self->n_stops * sizeof (GskColorStop));
|
|
}
|
|
|
|
static const GskVulkanShaderOpClass GSK_VULKAN_LINEAR_GRADIENT_OP_CLASS = {
|
|
{
|
|
GSK_VULKAN_OP_SIZE (GskVulkanLinearGradientOp),
|
|
GSK_VULKAN_STAGE_SHADER,
|
|
gsk_vulkan_linear_gradient_op_finish,
|
|
gsk_vulkan_linear_gradient_op_print,
|
|
gsk_vulkan_shader_op_count_vertex_data,
|
|
gsk_vulkan_linear_gradient_op_collect_vertex_data,
|
|
gsk_vulkan_linear_gradient_op_reserve_descriptor_sets,
|
|
gsk_vulkan_shader_op_command
|
|
},
|
|
"linear",
|
|
0,
|
|
&gsk_vulkan_linear_info,
|
|
};
|
|
|
|
void
|
|
gsk_vulkan_linear_gradient_op (GskVulkanRender *render,
|
|
GskVulkanShaderClip clip,
|
|
const graphene_rect_t *rect,
|
|
const graphene_point_t *offset,
|
|
const graphene_point_t *start,
|
|
const graphene_point_t *end,
|
|
gboolean repeating,
|
|
const GskColorStop *stops,
|
|
gsize n_stops)
|
|
{
|
|
GskVulkanLinearGradientOp *self;
|
|
|
|
self = (GskVulkanLinearGradientOp *) gsk_vulkan_shader_op_alloc (render, &GSK_VULKAN_LINEAR_GRADIENT_OP_CLASS, clip, NULL);
|
|
|
|
graphene_rect_offset_r (rect, offset->x, offset->y, &self->rect);
|
|
self->start = GRAPHENE_POINT_INIT (start->x + offset->x, start->y + offset->y);
|
|
self->end = GRAPHENE_POINT_INIT (end->x + offset->x, end->y + offset->y);
|
|
self->repeating = repeating;
|
|
self->stops = g_memdup (stops, sizeof (GskColorStop) * n_stops);
|
|
self->n_stops = n_stops;
|
|
}
|