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Differential D6296 Diff 20005 source/blender/draw/engines/overlay/shaders/grid_frag.glsl

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source/blender/draw/engines/overlay/shaders/grid_frag.glsl

  • This file was moved from source/blender/draw/modes/shaders/object_grid_frag.glsl.
/* Infinite grid /* Infinite grid
* Author: Clément Foucault */ * Author: Clément Foucault */
/* We use the normalized local position to avoid precision /* We use the normalized local position to avoid precision
* loss during interpolation. */ * loss during interpolation. */
in vec3 local_pos; in vec3 local_pos;
out vec4 FragColor; out vec4 FragColor;
uniform vec3 planeAxes; uniform vec3 planeAxes;
uniform vec3 screenVecs[2];
uniform float gridDistance; uniform float gridDistance;
uniform float meshSize; uniform float meshSize;
uniform float lineKernel = 0.0; uniform float lineKernel = 0.0;
uniform sampler2D depthBuffer; uniform sampler2D depthBuffer;
#define cameraPos (ViewMatrixInverse[3].xyz) #define cameraPos (ViewMatrixInverse[3].xyz)
uniform int gridFlag; uniform int gridFlag;
▲ Show 20 Lines • Show All 94 Lines • ▼ Show 20 Lines if ((gridFlag & PLANE_XY) != 0) {
angle *= angle; angle *= angle;
fade *= 1.0 - angle * angle; fade *= 1.0 - angle * angle;
} }
} }
if ((gridFlag & GRID) != 0) { if ((gridFlag & GRID) != 0) {
/* Using `max(dot(dFdxPos, screenVecs[0]), dot(dFdyPos, screenVecs[1]))` /* Using `max(dot(dFdxPos, screenVecs[0]), dot(dFdyPos, screenVecs[1]))`
* would be more accurate, but not really necessary. */ * would be more accurate, but not really necessary. */
float grid_res = dot(dFdxPos, screenVecs[0]); float grid_res = dot(dFdxPos, screenVecs[0].xyz);
/* The gride begins to appear when it comprises 4 pixels */ /* The gride begins to appear when it comprises 4 pixels */
grid_res *= 4; grid_res *= 4;
/* from biggest to smallest */ /* from biggest to smallest */
vec4 scale; vec4 scale;
#if 0 #if 0
int step_id = 0; int step_id = 0;
▲ Show 20 Lines • Show All 118 Lines • Show Last 20 Lines