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e7549f3359
We now store all the relevant state of the image inside the VulkanImage struct, so we can delay barriers for as long as possible. Whenever we want to use an image, we call the new gsk_vulkan_image_transition() and it will add a barrier to the desired state if one is necessary.
114 lines
3.8 KiB
C
114 lines
3.8 KiB
C
#include "config.h"
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#include "gskvulkanlineargradientopprivate.h"
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#include "gskvulkanprivate.h"
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#include "gskvulkanshaderopprivate.h"
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#include "vulkan/resources/linear.vert.h"
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typedef struct _GskVulkanLinearGradientOp GskVulkanLinearGradientOp;
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struct _GskVulkanLinearGradientOp
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{
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GskVulkanShaderOp op;
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graphene_rect_t rect;
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graphene_point_t start;
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graphene_point_t end;
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gboolean repeating;
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GskColorStop *stops;
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gsize n_stops;
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gsize buffer_offset;
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};
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static void
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gsk_vulkan_linear_gradient_op_finish (GskVulkanOp *op)
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{
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GskVulkanLinearGradientOp *self = (GskVulkanLinearGradientOp *) op;
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g_free (self->stops);
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}
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static void
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gsk_vulkan_linear_gradient_op_print (GskVulkanOp *op,
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GString *string,
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guint indent)
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{
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GskVulkanLinearGradientOp *self = (GskVulkanLinearGradientOp *) op;
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print_indent (string, indent);
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print_rect (string, &self->rect);
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g_string_append_printf (string, "linear-gradient (%zu stops)", self->n_stops);
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print_newline (string);
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}
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static void
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gsk_vulkan_linear_gradient_op_collect_vertex_data (GskVulkanOp *op,
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guchar *data)
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{
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GskVulkanLinearGradientOp *self = (GskVulkanLinearGradientOp *) op;
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GskVulkanLinearInstance *instance = (GskVulkanLinearInstance *) (data + ((GskVulkanShaderOp *) op)->vertex_offset);
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gsk_vulkan_rect_to_float (&self->rect, instance->rect);
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gsk_vulkan_point_to_float (&self->start, instance->start);
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gsk_vulkan_point_to_float (&self->end, instance->end);
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instance->repeating = self->repeating;
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instance->stop_offset = self->buffer_offset;
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instance->stop_count = self->n_stops;
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}
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static void
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gsk_vulkan_linear_gradient_op_reserve_descriptor_sets (GskVulkanOp *op,
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GskVulkanRender *render)
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{
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GskVulkanLinearGradientOp *self = (GskVulkanLinearGradientOp *) op;
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guchar *mem;
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mem = gsk_vulkan_render_get_buffer_memory (render,
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self->n_stops * sizeof (GskColorStop),
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G_ALIGNOF (GskColorStop),
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&self->buffer_offset);
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memcpy (mem, self->stops, self->n_stops * sizeof (GskColorStop));
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}
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static const GskVulkanShaderOpClass GSK_VULKAN_LINEAR_GRADIENT_OP_CLASS = {
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{
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GSK_VULKAN_OP_SIZE (GskVulkanLinearGradientOp),
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GSK_VULKAN_STAGE_SHADER,
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gsk_vulkan_linear_gradient_op_finish,
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gsk_vulkan_linear_gradient_op_print,
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gsk_vulkan_shader_op_count_vertex_data,
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gsk_vulkan_linear_gradient_op_collect_vertex_data,
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gsk_vulkan_linear_gradient_op_reserve_descriptor_sets,
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gsk_vulkan_shader_op_command
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},
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"linear",
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0,
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&gsk_vulkan_linear_info,
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};
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void
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gsk_vulkan_linear_gradient_op (GskVulkanRender *render,
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GskVulkanShaderClip clip,
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const graphene_rect_t *rect,
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const graphene_point_t *offset,
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const graphene_point_t *start,
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const graphene_point_t *end,
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gboolean repeating,
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const GskColorStop *stops,
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gsize n_stops)
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{
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GskVulkanLinearGradientOp *self;
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self = (GskVulkanLinearGradientOp *) gsk_vulkan_shader_op_alloc (render, &GSK_VULKAN_LINEAR_GRADIENT_OP_CLASS, clip, NULL);
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graphene_rect_offset_r (rect, offset->x, offset->y, &self->rect);
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self->start = GRAPHENE_POINT_INIT (start->x + offset->x, start->y + offset->y);
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self->end = GRAPHENE_POINT_INIT (end->x + offset->x, end->y + offset->y);
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self->repeating = repeating;
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self->stops = g_memdup (stops, sizeof (GskColorStop) * n_stops);
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self->n_stops = n_stops;
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}
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