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8207c548cc
This reverts most of commit f420c143e0
again because it turns out GPUs like combined images and samplers.
But: The one thing we don't revert is allowing the C code to select any
combination of sampler and image:
gsk_vulkan_render_get_image_descriptor() now takes a 2nd argument
specifying the sampler.
This allows the same flexibility as before, we just combine things
early.
This change was inspired by
https://developer.nvidia.com/blog/vulkan-dos-donts/
87 lines
2.8 KiB
C
87 lines
2.8 KiB
C
#include "config.h"
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#include "gskvulkanblurpipelineprivate.h"
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#include "vulkan/resources/blur.vert.h"
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struct _GskVulkanBlurPipeline
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{
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GObject parent_instance;
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};
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G_DEFINE_TYPE (GskVulkanBlurPipeline, gsk_vulkan_blur_pipeline, GSK_TYPE_VULKAN_PIPELINE)
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static const VkPipelineVertexInputStateCreateInfo *
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gsk_vulkan_blur_pipeline_get_input_state_create_info (GskVulkanPipeline *self)
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{
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return &gsk_vulkan_blur_info;
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}
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static void
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gsk_vulkan_blur_pipeline_finalize (GObject *gobject)
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{
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//GskVulkanBlurPipeline *self = GSK_VULKAN_BLUR_PIPELINE (gobject);
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G_OBJECT_CLASS (gsk_vulkan_blur_pipeline_parent_class)->finalize (gobject);
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}
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static void
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gsk_vulkan_blur_pipeline_class_init (GskVulkanBlurPipelineClass *klass)
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{
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GskVulkanPipelineClass *pipeline_class = GSK_VULKAN_PIPELINE_CLASS (klass);
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G_OBJECT_CLASS (klass)->finalize = gsk_vulkan_blur_pipeline_finalize;
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pipeline_class->get_input_state_create_info = gsk_vulkan_blur_pipeline_get_input_state_create_info;
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}
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static void
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gsk_vulkan_blur_pipeline_init (GskVulkanBlurPipeline *self)
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{
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}
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GskVulkanPipeline *
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gsk_vulkan_blur_pipeline_new (GdkVulkanContext *context,
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VkPipelineLayout layout,
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const char *shader_name,
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VkRenderPass render_pass)
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{
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return gsk_vulkan_pipeline_new (GSK_TYPE_VULKAN_BLUR_PIPELINE, context, layout, shader_name, render_pass);
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}
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void
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gsk_vulkan_blur_pipeline_collect_vertex_data (GskVulkanBlurPipeline *pipeline,
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guchar *data,
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guint32 tex_id,
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const graphene_point_t *offset,
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const graphene_rect_t *rect,
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const graphene_rect_t *tex_rect,
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double radius)
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{
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GskVulkanBlurInstance *instance = (GskVulkanBlurInstance *) data;
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instance->rect[0] = rect->origin.x + offset->x;
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instance->rect[1] = rect->origin.y + offset->y;
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instance->rect[2] = rect->size.width;
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instance->rect[3] = rect->size.height;
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instance->tex_rect[0] = tex_rect->origin.x;
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instance->tex_rect[1] = tex_rect->origin.y;
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instance->tex_rect[2] = tex_rect->size.width;
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instance->tex_rect[3] = tex_rect->size.height;
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instance->radius = radius;
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instance->tex_id = tex_id;
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}
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gsize
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gsk_vulkan_blur_pipeline_draw (GskVulkanBlurPipeline *pipeline,
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VkCommandBuffer command_buffer,
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gsize offset,
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gsize n_commands)
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{
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vkCmdDraw (command_buffer,
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6, n_commands,
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0, offset);
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return n_commands;
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}
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