Page MenuHome
Differential D17089 Diff 60052 source/blender/draw/engines/overlay/shaders/overlay_volume_gridlines_vert.glsl

Changeset View

Standalone View

View Options

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

#pragma BLENDER_REQUIRE(common_view_lib.glsl) #pragma BLENDER_REQUIRE(common_view_lib.glsl)
/* Corners for cell outlines. 0.45 is arbitrary. Any value below 0.5 can be used to avoid
* overlapping of the outlines. */
const vec3 corners[4] = vec3[4](vec3(-0.45, 0.45, 0.0),
vec3(0.45, 0.45, 0.0),
vec3(0.45, -0.45, 0.0),
vec3(-0.45, -0.45, 0.0));
const int indices[8] = int[8](0, 1, 1, 2, 2, 3, 3, 0);
vec4 flag_to_color(uint flag) vec4 flag_to_color(uint flag)
{ {
/* Color mapping for flags */ /* Color mapping for flags */
vec4 color = vec4(0.0, 0.0, 0.0, 1.0); vec4 color = vec4(0.0, 0.0, 0.0, 1.0);
/* Cell types: 1 is Fluid, 2 is Obstacle, 4 is Empty, 8 is Inflow, 16 is Outflow */ /* Cell types: 1 is Fluid, 2 is Obstacle, 4 is Empty, 8 is Inflow, 16 is Outflow */
if (bool(flag & uint(1))) { if (bool(flag & uint(1))) {
color.rgb += vec3(0.0, 0.0, 0.75); /* blue */ color.rgb += vec3(0.0, 0.0, 0.75); /* blue */
} }
▲ Show 20 Lines • Show All 62 Lines • ▼ Show 20 Lines
#ifdef SHOW_RANGE #ifdef SHOW_RANGE
float value = texelFetch(fieldTexture, cell_co + ivec3(cell_offset), 0).r; float value = texelFetch(fieldTexture, cell_co + ivec3(cell_offset), 0).r;
if (value >= lowerBound && value <= upperBound) { if (value >= lowerBound && value <= upperBound) {
if (cellFilter == 0 || bool(uint(cellFilter) & flag)) { if (cellFilter == 0 || bool(uint(cellFilter) & flag)) {
finalColor = rangeColor; finalColor = rangeColor;
} }
} }
#endif #endif
/* NOTE(Metal): Declaring constant arrays in function scope to avoid increasing local shader
* memory pressure. */
const int indices[8] = int[8](0, 1, 1, 2, 2, 3, 3, 0);
/* Corners for cell outlines. 0.45 is arbitrary. Any value below 0.5 can be used to avoid
* overlapping of the outlines. */
const vec3 corners[4] = vec3[4](vec3(-0.45, 0.45, 0.0),
vec3(0.45, 0.45, 0.0),
vec3(0.45, -0.45, 0.0),
vec3(-0.45, -0.45, 0.0));
vec3 pos = domainOriginOffset + cellSize * (vec3(cell_co + adaptiveCellOffset) + cell_offset); vec3 pos = domainOriginOffset + cellSize * (vec3(cell_co + adaptiveCellOffset) + cell_offset);
vec3 rotated_pos = rot_mat * corners[indices[gl_VertexID % 8]]; vec3 rotated_pos = rot_mat * corners[indices[gl_VertexID % 8]];
pos += rotated_pos * cellSize; pos += rotated_pos * cellSize;
vec3 world_pos = point_object_to_world(pos); vec3 world_pos = point_object_to_world(pos);
gl_Position = point_world_to_ndc(world_pos); gl_Position = point_world_to_ndc(world_pos);
} }