diff options
Diffstat (limited to 'servers/rendering/renderer_rd/shaders')
4 files changed, 49 insertions, 10 deletions
diff --git a/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl b/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl index a8648fc96a..f9cee011d2 100644 --- a/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl +++ b/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl @@ -99,6 +99,18 @@ layout(location = 8) out float dp_clip; layout(location = 9) out flat uint instance_index_interp; +#ifdef USE_MULTIVIEW +#ifdef has_VK_KHR_multiview +#define ViewIndex gl_ViewIndex +#else // has_VK_KHR_multiview +// !BAS! This needs to become an input once we implement our fallback! +#define ViewIndex 0 +#endif // has_VK_KHR_multiview +#else // USE_MULTIVIEW +// Set to zero, not supported in non stereo +#define ViewIndex 0 +#endif //USE_MULTIVIEW + invariant gl_Position; #GLOBALS @@ -244,7 +256,13 @@ void main() { vec4 position; #endif +#ifdef USE_MULTIVIEW + mat4 projection_matrix = scene_data.projection_matrix_view[ViewIndex]; + mat4 inv_projection_matrix = scene_data.inv_projection_matrix_view[ViewIndex]; +#else mat4 projection_matrix = scene_data.projection_matrix; + mat4 inv_projection_matrix = scene_data.inv_projection_matrix; +#endif //USE_MULTIVIEW //using world coordinates #if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED) @@ -421,10 +439,26 @@ layout(location = 8) in float dp_clip; layout(location = 9) in flat uint instance_index_interp; +#ifdef USE_MULTIVIEW +#ifdef has_VK_KHR_multiview +#define ViewIndex gl_ViewIndex +#else // has_VK_KHR_multiview +// !BAS! This needs to become an input once we implement our fallback! +#define ViewIndex 0 +#endif // has_VK_KHR_multiview +#else // USE_MULTIVIEW +// Set to zero, not supported in non stereo +#define ViewIndex 0 +#endif //USE_MULTIVIEW + //defines to keep compatibility with vertex #define world_matrix instances.data[instance_index].transform +#ifdef USE_MULTIVIEW +#define projection_matrix scene_data.projection_matrix_view[ViewIndex] +#else #define projection_matrix scene_data.projection_matrix +#endif #if defined(ENABLE_SSS) && defined(ENABLE_TRANSMITTANCE) //both required for transmittance to be enabled diff --git a/servers/rendering/renderer_rd/shaders/scene_forward_clustered_inc.glsl b/servers/rendering/renderer_rd/shaders/scene_forward_clustered_inc.glsl index 3b110aded2..2e31503669 100644 --- a/servers/rendering/renderer_rd/shaders/scene_forward_clustered_inc.glsl +++ b/servers/rendering/renderer_rd/shaders/scene_forward_clustered_inc.glsl @@ -2,6 +2,7 @@ #define ROUGHNESS_MAX_LOD 5 #define MAX_VOXEL_GI_INSTANCES 8 +#define MAX_VIEWS 2 #if defined(has_GL_KHR_shader_subgroup_ballot) && defined(has_GL_KHR_shader_subgroup_arithmetic) @@ -12,6 +13,10 @@ #endif +#if defined(USE_MULTIVIEW) && defined(has_VK_KHR_multiview) +#extension GL_EXT_multiview : enable +#endif + #include "cluster_data_inc.glsl" #include "decal_data_inc.glsl" @@ -169,10 +174,13 @@ sdfgi; layout(set = 1, binding = 0, std140) uniform SceneData { mat4 projection_matrix; mat4 inv_projection_matrix; - mat4 camera_matrix; mat4 inv_camera_matrix; + // only used for multiview + mat4 projection_matrix_view[MAX_VIEWS]; + mat4 inv_projection_matrix_view[MAX_VIEWS]; + vec2 viewport_size; vec2 screen_pixel_size; diff --git a/servers/rendering/renderer_rd/shaders/scene_forward_lights_inc.glsl b/servers/rendering/renderer_rd/shaders/scene_forward_lights_inc.glsl index 1c9b08b6d3..bd1c2b5758 100644 --- a/servers/rendering/renderer_rd/shaders/scene_forward_lights_inc.glsl +++ b/servers/rendering/renderer_rd/shaders/scene_forward_lights_inc.glsl @@ -1,9 +1,9 @@ // Functions related to lighting float D_GGX(float cos_theta_m, float alpha) { - float alpha2 = alpha * alpha; - float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m; - return alpha2 / (M_PI * d * d); + float a = cos_theta_m * alpha; + float k = alpha / (1.0 - cos_theta_m * cos_theta_m + a * a); + return k * k * (1.0 / M_PI); } // From Earl Hammon, Jr. "PBR Diffuse Lighting for GGX+Smith Microsurfaces" https://www.gdcvault.com/play/1024478/PBR-Diffuse-Lighting-for-GGX diff --git a/servers/rendering/renderer_rd/shaders/sky.glsl b/servers/rendering/renderer_rd/shaders/sky.glsl index b258e89c66..5b4594da99 100644 --- a/servers/rendering/renderer_rd/shaders/sky.glsl +++ b/servers/rendering/renderer_rd/shaders/sky.glsl @@ -180,12 +180,11 @@ void main() { cube_normal.x = (cube_normal.z * (-uv_interp.x - params.projections[ViewIndex].x)) / params.projections[ViewIndex].y; cube_normal.y = -(cube_normal.z * (-uv_interp.y - params.projections[ViewIndex].z)) / params.projections[ViewIndex].w; cube_normal = mat3(params.orientation) * cube_normal; - cube_normal.z = -cube_normal.z; cube_normal = normalize(cube_normal); vec2 uv = uv_interp * 0.5 + 0.5; - vec2 panorama_coords = vec2(atan(cube_normal.x, cube_normal.z), acos(cube_normal.y)); + vec2 panorama_coords = vec2(atan(cube_normal.x, -cube_normal.z), acos(cube_normal.y)); if (panorama_coords.x < 0.0) { panorama_coords.x += M_PI * 2.0; @@ -200,13 +199,11 @@ void main() { vec4 custom_fog = vec4(0.0); #ifdef USE_CUBEMAP_PASS - vec3 inverted_cube_normal = cube_normal; - inverted_cube_normal.z *= -1.0; #ifdef USES_HALF_RES_COLOR - half_res_color = texture(samplerCube(half_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), inverted_cube_normal) * params.luminance_multiplier; + half_res_color = texture(samplerCube(half_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), cube_normal) * params.luminance_multiplier; #endif #ifdef USES_QUARTER_RES_COLOR - quarter_res_color = texture(samplerCube(quarter_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), inverted_cube_normal) * params.luminance_multiplier; + quarter_res_color = texture(samplerCube(quarter_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), cube_normal) * params.luminance_multiplier; #endif #else #ifdef USES_HALF_RES_COLOR |