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main sync #3

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Patrick Busch merged 318 commits from blender/blender:main into main 2023-03-17 15:52:21 +01:00
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1 changed files with 22 additions and 22 deletions
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source/blender/gpu/shaders/common/gpu_shader_bicubic_sampler_lib.glsl
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@ -13,9 +13,9 @@ void cubic_bspline_coefficients(vec2 f, out vec2 w0, out vec2 w1, out vec2 w2, o
/* Samples the given 2D sampler at the given coordinates using Bicubic interpolation. This function
* uses an optimized algorithm which assumes a linearly filtered sampler, so the caller needs to
* take that into account when setting up the sampler. */
vec4 texture_bicubic(sampler2D sampler, vec2 coordinates)
vec4 texture_bicubic(sampler2D sampler_2d, vec2 coordinates)
{
vec2 texture_size = vec2(textureSize(sampler, 0).xy);
vec2 texture_size = vec2(textureSize(sampler_2d, 0).xy);
coordinates.xy *= texture_size;
vec2 w0, w1, w2, w3;
@ -35,33 +35,33 @@ vec4 texture_bicubic(sampler2D sampler, vec2 coordinates)
sampling_coordinates /= texture_size.xyxy;
vec4 sampled_color = textureLod(sampler, sampling_coordinates.xy, 0.0) * s0.x * s0.y;
sampled_color += textureLod(sampler, sampling_coordinates.zy, 0.0) * s1.x * s0.y;
sampled_color += textureLod(sampler, sampling_coordinates.xw, 0.0) * s0.x * s1.y;
sampled_color += textureLod(sampler, sampling_coordinates.zw, 0.0) * s1.x * s1.y;
vec4 sampled_color = textureLod(sampler_2d, sampling_coordinates.xy, 0.0) * s0.x * s0.y;
sampled_color += textureLod(sampler_2d, sampling_coordinates.zy, 0.0) * s1.x * s0.y;
sampled_color += textureLod(sampler_2d, sampling_coordinates.xw, 0.0) * s0.x * s1.y;
sampled_color += textureLod(sampler_2d, sampling_coordinates.zw, 0.0) * s1.x * s1.y;
return sampled_color;
#else /* Reference brute-force 16 taps. */
vec4 color = texelFetch(sampler, ivec2(texel_center + vec2(-1.0, -1.0)), 0) * w0.x * w0.y;
color += texelFetch(sampler, ivec2(texel_center + vec2(0.0, -1.0)), 0) * w1.x * w0.y;
color += texelFetch(sampler, ivec2(texel_center + vec2(1.0, -1.0)), 0) * w2.x * w0.y;
color += texelFetch(sampler, ivec2(texel_center + vec2(2.0, -1.0)), 0) * w3.x * w0.y;
vec4 color = texelFetch(sampler_2d, ivec2(texel_center + vec2(-1.0, -1.0)), 0) * w0.x * w0.y;
color += texelFetch(sampler_2d, ivec2(texel_center + vec2(0.0, -1.0)), 0) * w1.x * w0.y;
color += texelFetch(sampler_2d, ivec2(texel_center + vec2(1.0, -1.0)), 0) * w2.x * w0.y;
color += texelFetch(sampler_2d, ivec2(texel_center + vec2(2.0, -1.0)), 0) * w3.x * w0.y;
color += texelFetch(sampler, ivec2(texel_center + vec2(-1.0, 0.0)), 0) * w0.x * w1.y;
color += texelFetch(sampler, ivec2(texel_center + vec2(0.0, 0.0)), 0) * w1.x * w1.y;
color += texelFetch(sampler, ivec2(texel_center + vec2(1.0, 0.0)), 0) * w2.x * w1.y;
color += texelFetch(sampler, ivec2(texel_center + vec2(2.0, 0.0)), 0) * w3.x * w1.y;
color += texelFetch(sampler_2d, ivec2(texel_center + vec2(-1.0, 0.0)), 0) * w0.x * w1.y;
color += texelFetch(sampler_2d, ivec2(texel_center + vec2(0.0, 0.0)), 0) * w1.x * w1.y;
color += texelFetch(sampler_2d, ivec2(texel_center + vec2(1.0, 0.0)), 0) * w2.x * w1.y;
color += texelFetch(sampler_2d, ivec2(texel_center + vec2(2.0, 0.0)), 0) * w3.x * w1.y;
color += texelFetch(sampler, ivec2(texel_center + vec2(-1.0, 1.0)), 0) * w0.x * w2.y;
color += texelFetch(sampler, ivec2(texel_center + vec2(0.0, 1.0)), 0) * w1.x * w2.y;
color += texelFetch(sampler, ivec2(texel_center + vec2(1.0, 1.0)), 0) * w2.x * w2.y;
color += texelFetch(sampler, ivec2(texel_center + vec2(2.0, 1.0)), 0) * w3.x * w2.y;
color += texelFetch(sampler_2d, ivec2(texel_center + vec2(-1.0, 1.0)), 0) * w0.x * w2.y;
color += texelFetch(sampler_2d, ivec2(texel_center + vec2(0.0, 1.0)), 0) * w1.x * w2.y;
color += texelFetch(sampler_2d, ivec2(texel_center + vec2(1.0, 1.0)), 0) * w2.x * w2.y;
color += texelFetch(sampler_2d, ivec2(texel_center + vec2(2.0, 1.0)), 0) * w3.x * w2.y;
color += texelFetch(sampler, ivec2(texel_center + vec2(-1.0, 2.0)), 0) * w0.x * w3.y;
color += texelFetch(sampler, ivec2(texel_center + vec2(0.0, 2.0)), 0) * w1.x * w3.y;
color += texelFetch(sampler, ivec2(texel_center + vec2(1.0, 2.0)), 0) * w2.x * w3.y;
color += texelFetch(sampler, ivec2(texel_center + vec2(2.0, 2.0)), 0) * w3.x * w3.y;
color += texelFetch(sampler_2d, ivec2(texel_center + vec2(-1.0, 2.0)), 0) * w0.x * w3.y;
color += texelFetch(sampler_2d, ivec2(texel_center + vec2(0.0, 2.0)), 0) * w1.x * w3.y;
color += texelFetch(sampler_2d, ivec2(texel_center + vec2(1.0, 2.0)), 0) * w2.x * w3.y;
color += texelFetch(sampler_2d, ivec2(texel_center + vec2(2.0, 2.0)), 0) * w3.x * w3.y;
return color;
#endif