bgfx/examples/46-fsr/vs_fsr_forward.sc
Richard Schubert fc513e163b
Add new Example - AMD FidelityFX-FSR (#2612)
* Add new sample

* Add FSR shaders

* Add example template

* Add Antialiasing

* Add multi resolution rendering

* Implement magnifier

* Implement FSR EASU pass

* Implement FSR RCAS pass

* Improve wording of comments and UI

* Remove use of ffx_a.h in cpp

* Remove example external files

* Perform bilinear upsampling by compute shader

* Add FSR 16 Bit support

* Improve magnifier picking

* Fix magnifier picking

* Render magnifier widget

* Renaming of stuff

* Separate magnifier functionality

* Move FSR into separate class

* Reduce scope of FSR resources

* Fix FSR for Vulkan

* Fix OpenGL support

* Update sample screenshot
2021-10-05 09:01:50 -07:00

35 lines
966 B
Python

$input a_position, a_normal
$output v_normal, v_texcoord0, v_texcoord1, v_texcoord2
/*
* Copyright 2021 elven cache. All rights reserved.
* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
*/
#include "../common/common.sh"
void main()
{
// Calculate vertex position
vec3 pos = a_position.xyz;
gl_Position = mul(u_modelViewProj, vec4(pos, 1.0));
vec3 wsPos = mul(u_model[0], vec4(pos, 1.0)).xyz;
// Calculate normal, unpack
vec3 osNormal = a_normal.xyz * 2.0 - 1.0;
// Transform normal into world space
vec3 wsNormal = mul(u_model[0], vec4(osNormal, 0.0)).xyz;
v_normal.xyz = normalize(wsNormal);
v_texcoord0 = a_position.xy * vec2_splat(0.5); // the used mesh does not provide texture coordinates
// Store world space view vector in extra texCoord attribute
vec3 wsCamPos = mul(u_invView, vec4(0.0, 0.0, 0.0, 1.0)).xyz;
vec3 view = normalize(wsCamPos - wsPos);
v_texcoord1 = vec4(wsPos, 1.0);
v_texcoord2 = vec4(view, 1.0);
}