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Differential D13910 Diff 47374 source/blender/draw/engines/workbench/shaders/workbench_transparent_accum_frag.glsl

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source/blender/draw/engines/workbench/shaders/workbench_transparent_accum_frag.glsl

#pragma BLENDER_REQUIRE(common_view_lib.glsl) #pragma BLENDER_REQUIRE(common_view_lib.glsl)
#pragma BLENDER_REQUIRE(workbench_shader_interface_lib.glsl)
#pragma BLENDER_REQUIRE(workbench_common_lib.glsl) #pragma BLENDER_REQUIRE(workbench_common_lib.glsl)
#pragma BLENDER_REQUIRE(workbench_image_lib.glsl) #pragma BLENDER_REQUIRE(workbench_image_lib.glsl)
#pragma BLENDER_REQUIRE(workbench_matcap_lib.glsl) #pragma BLENDER_REQUIRE(workbench_matcap_lib.glsl)
#pragma BLENDER_REQUIRE(workbench_world_light_lib.glsl) #pragma BLENDER_REQUIRE(workbench_world_light_lib.glsl)
#ifndef WORKBENCH_SHADER_SHARED_H
/* Revealage is actually stored in transparentAccum alpha channel.
* This is a workaround to older hardware not having separate blend equation per render target. */
layout(location = 0) out vec4 transparentAccum;
layout(location = 1) out vec4 revealageAccum;
/* NOTE: Blending will be skipped on objectId because output is a non-normalized integer buffer. */
layout(location = 2) out uint objectId;
#endif
/* Special function only to be used with calculate_transparent_weight(). */ /* Special function only to be used with calculate_transparent_weight(). */
float linear_zdepth(float depth, vec4 viewvecs[2], mat4 proj_mat) float linear_zdepth(float depth, vec4 viewvecs[2], mat4 proj_mat)
{ {
if (proj_mat[3][3] == 0.0) { if (proj_mat[3][3] == 0.0) {
float d = 2.0 * depth - 1.0; float d = 2.0 * depth - 1.0;
return -proj_mat[3][2] / (d + proj_mat[2][2]); return -proj_mat[3][2] / (d + proj_mat[2][2]);
} }
else { else {
Show All 37 Linesvoid main()
vec3 color = color_interp; vec3 color = color_interp;
#ifdef V3D_SHADING_TEXTURE_COLOR #ifdef V3D_SHADING_TEXTURE_COLOR
color = workbench_image_color(uv_interp); color = workbench_image_color(uv_interp);
#endif #endif
#ifdef V3D_LIGHTING_MATCAP #ifdef V3D_LIGHTING_MATCAP
vec3 shaded_color = get_matcap_lighting(color, N, I); vec3 shaded_color = get_matcap_lighting(matcap_diffuse_tx, matcap_specular_tx, color, N, I);
#endif #endif
#ifdef V3D_LIGHTING_STUDIO #ifdef V3D_LIGHTING_STUDIO
vec3 shaded_color = get_world_lighting(color, roughness, metallic, N, I); vec3 shaded_color = get_world_lighting(color, roughness, metallic, N, I);
#endif #endif
#ifdef V3D_LIGHTING_FLAT #ifdef V3D_LIGHTING_FLAT
vec3 shaded_color = color; vec3 shaded_color = color;
#endif #endif
shaded_color *= get_shadow(N); shaded_color *= get_shadow(N, forceShadowing);
/* Listing 4 */ /* Listing 4 */
float weight = calculate_transparent_weight() * alpha_interp; float weight = calculate_transparent_weight() * alpha_interp;
transparentAccum = vec4(shaded_color * weight, alpha_interp); transparentAccum = vec4(shaded_color * weight, alpha_interp);
revealageAccum = vec4(weight); revealageAccum = vec4(weight);
objectId = uint(object_id); objectId = uint(object_id);
} }