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127 lines
4.3 KiB
C
127 lines
4.3 KiB
C
#include "config.h"
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#include "gskvulkanmaskopprivate.h"
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#include "gskvulkanprivate.h"
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#include "gskvulkanshaderopprivate.h"
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#include "vulkan/resources/mask.vert.h"
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typedef struct _GskVulkanMaskOp GskVulkanMaskOp;
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struct _GskVulkanMaskOp
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{
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GskVulkanShaderOp op;
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struct {
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graphene_rect_t rect;
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graphene_rect_t tex_rect;
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guint32 image_descriptor;
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} source, mask;
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GskMaskMode mask_mode;
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};
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static void
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gsk_vulkan_mask_op_print (GskVulkanOp *op,
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GString *string,
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guint indent)
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{
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GskVulkanMaskOp *self = (GskVulkanMaskOp *) op;
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print_indent (string, indent);
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print_rect (string, &self->source.rect);
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g_string_append (string, "mask ");
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print_rect (string, &self->mask.rect);
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switch (self->mask_mode)
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{
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case GSK_MASK_MODE_ALPHA:
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g_string_append (string, "alpha ");
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break;
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case GSK_MASK_MODE_INVERTED_ALPHA:
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g_string_append (string, "inverted-alpha ");
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break;
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case GSK_MASK_MODE_LUMINANCE:
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g_string_append (string, "luminance ");
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break;
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case GSK_MASK_MODE_INVERTED_LUMINANCE:
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g_string_append (string, "inverted-luminance ");
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break;
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default:
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g_assert_not_reached ();
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break;
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}
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print_newline (string);
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}
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static void
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gsk_vulkan_mask_op_collect_vertex_data (GskVulkanOp *op,
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guchar *data)
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{
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GskVulkanMaskOp *self = (GskVulkanMaskOp *) op;
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GskVulkanMaskInstance *instance = (GskVulkanMaskInstance *) (data + ((GskVulkanShaderOp *) op)->vertex_offset);
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gsk_rect_to_float (&self->source.rect, instance->source_rect);
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gsk_rect_to_float (&self->source.tex_rect, instance->source_tex_rect);
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instance->source_id = self->source.image_descriptor;
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gsk_rect_to_float (&self->mask.rect, instance->mask_rect);
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gsk_rect_to_float (&self->mask.tex_rect, instance->mask_tex_rect);
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instance->mask_id = self->mask.image_descriptor;
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instance->mask_mode = self->mask_mode;
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}
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static void
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gsk_vulkan_mask_op_reserve_descriptor_sets (GskVulkanOp *op,
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GskVulkanRender *render)
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{
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GskVulkanMaskOp *self = (GskVulkanMaskOp *) op;
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GskVulkanShaderOp *shader = (GskVulkanShaderOp *) op;
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self->source.image_descriptor = gsk_vulkan_render_get_image_descriptor (render, shader->images[0], GSK_VULKAN_SAMPLER_DEFAULT);
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self->mask.image_descriptor = gsk_vulkan_render_get_image_descriptor (render, shader->images[1], GSK_VULKAN_SAMPLER_DEFAULT);
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}
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static const GskVulkanShaderOpClass GSK_VULKAN_COLOR_MASK_OP_CLASS = {
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{
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GSK_VULKAN_OP_SIZE (GskVulkanMaskOp),
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GSK_VULKAN_STAGE_SHADER,
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gsk_vulkan_shader_op_finish,
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gsk_vulkan_mask_op_print,
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gsk_vulkan_shader_op_count_vertex_data,
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gsk_vulkan_mask_op_collect_vertex_data,
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gsk_vulkan_mask_op_reserve_descriptor_sets,
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gsk_vulkan_shader_op_command
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},
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"mask",
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2,
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&gsk_vulkan_mask_info,
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};
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void
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gsk_vulkan_mask_op (GskVulkanRender *render,
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GskVulkanShaderClip clip,
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const graphene_point_t *offset,
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GskVulkanImage *source,
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const graphene_rect_t *source_rect,
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const graphene_rect_t *source_tex_rect,
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GskVulkanImage *mask,
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const graphene_rect_t *mask_rect,
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const graphene_rect_t *mask_tex_rect,
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GskMaskMode mask_mode)
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{
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GskVulkanMaskOp *self;
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self = (GskVulkanMaskOp *) gsk_vulkan_shader_op_alloc (render,
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&GSK_VULKAN_COLOR_MASK_OP_CLASS,
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clip,
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(GskVulkanImage *[2]) {
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source,
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mask,
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});
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graphene_rect_offset_r (source_rect, offset->x, offset->y, &self->source.rect);
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gsk_vulkan_normalize_tex_coords (&self->source.tex_rect, source_rect, source_tex_rect);
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graphene_rect_offset_r (mask_rect, offset->x, offset->y, &self->mask.rect);
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gsk_vulkan_normalize_tex_coords (&self->mask.tex_rect, mask_rect, mask_tex_rect);
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self->mask_mode = mask_mode;
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}
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