gtk/gsk/vulkan/resources/cross-fade.frag

#version 450

#include "common.frag.glsl"
#include "clip.frag.glsl"
#include "rect.frag.glsl"

layout(location = 0) in vec2 inPos;
layout(location = 1) in Rect inStartRect;
layout(location = 2) in Rect inEndRect;
layout(location = 3) in vec2 inStartTexCoord;
layout(location = 4) in vec2 inEndTexCoord;
layout(location = 5) flat in uint inStartTexId;
layout(location = 6) flat in uint inEndTexId;
layout(location = 7) in float inProgress;

layout(location = 0) out vec4 color;

void main()
{
  float start_alpha = rect_coverage (inStartRect, inPos);
  vec4 start = texture (get_sampler (inStartTexId), inStartTexCoord) * start_alpha;
  float end_alpha = rect_coverage (inEndRect, inPos);
  vec4 end = texture (get_sampler (inEndTexId), inEndTexCoord) * end_alpha;

  color = clip_scaled (inPos, mix (start, end, inProgress));
}
vulkan: Switch GLSL version to 450 We need more modern features soon. 2023-06-08 09:00:18 +00:00			`#version 450`
vulkan: Implement crossfade This is the first shader using two textures. It almost works. 2017-09-22 18:20:57 +00:00
vulkan: Implement bindless texture rendering Instead of having a descriptor set per operation, we just have one descriptor set and bind all our images into it. Then the shaders get to use an index into the large texture array instead. Getting this to work - because it's a Vulkan extension that needs to be manually enabled, even though it's officially part of Vulkan 1.2 - is insane. 2023-05-20 00:56:02 +00:00			`#include "common.frag.glsl"`
vulkan: Implement crossfade This is the first shader using two textures. It almost works. 2017-09-22 18:20:57 +00:00			`#include "clip.frag.glsl"`
vulkan: Update the cross-fade shader This also fixes it rendering weird things when the bounds of start and end node don't match. 2023-05-20 23:28:36 +00:00			`#include "rect.frag.glsl"`
vulkan: Implement crossfade This is the first shader using two textures. It almost works. 2017-09-22 18:20:57 +00:00
			`layout(location = 0) in vec2 inPos;`
vulkan: Update the cross-fade shader This also fixes it rendering weird things when the bounds of start and end node don't match. 2023-05-20 23:28:36 +00:00			`layout(location = 1) in Rect inStartRect;`
			`layout(location = 2) in Rect inEndRect;`
			`layout(location = 3) in vec2 inStartTexCoord;`
			`layout(location = 4) in vec2 inEndTexCoord;`
vulkan: Combine textures and samplers again This reverts most of commit f420c143e0d8947a433704969bab02aea47d82f5 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/ 2023-06-28 18:50:43 +00:00			`layout(location = 5) flat in uint inStartTexId;`
			`layout(location = 6) flat in uint inEndTexId;`
vulkan: Update the cross-fade shader This also fixes it rendering weird things when the bounds of start and end node don't match. 2023-05-20 23:28:36 +00:00			`layout(location = 7) in float inProgress;`
vulkan: Implement crossfade This is the first shader using two textures. It almost works. 2017-09-22 18:20:57 +00:00
			`layout(location = 0) out vec4 color;`

			`void main()`
			`{`
vulkan: Update the cross-fade shader This also fixes it rendering weird things when the bounds of start and end node don't match. 2023-05-20 23:28:36 +00:00			`float start_alpha = rect_coverage (inStartRect, inPos);`
vulkan: Split textures and samplers The idea here is that we can do more complex combinations and use that to support texture-scale nodes or use fancy texture formats (suc as YUV). I'm not sure this is actually necessary, but for now it gives more flexibility. 2023-05-23 03:08:13 +00:00			`vec4 start = texture (get_sampler (inStartTexId), inStartTexCoord) * start_alpha;`
vulkan: Update the cross-fade shader This also fixes it rendering weird things when the bounds of start and end node don't match. 2023-05-20 23:28:36 +00:00			`float end_alpha = rect_coverage (inEndRect, inPos);`
vulkan: Split textures and samplers The idea here is that we can do more complex combinations and use that to support texture-scale nodes or use fancy texture formats (suc as YUV). I'm not sure this is actually necessary, but for now it gives more flexibility. 2023-05-23 03:08:13 +00:00			`vec4 end = texture (get_sampler (inEndTexId), inEndTexCoord) * end_alpha;`
vulkan: Implement crossfade This is the first shader using two textures. It almost works. 2017-09-22 18:20:57 +00:00
vulkan: Update the cross-fade shader This also fixes it rendering weird things when the bounds of start and end node don't match. 2023-05-20 23:28:36 +00:00			`color = clip_scaled (inPos, mix (start, end, inProgress));`
vulkan: Implement crossfade This is the first shader using two textures. It almost works. 2017-09-22 18:20:57 +00:00			`}`