diff options
Diffstat (limited to 'drivers/gles3/shaders/sky.glsl')
| -rw-r--r-- | drivers/gles3/shaders/sky.glsl | 103 |
1 files changed, 46 insertions, 57 deletions
diff --git a/drivers/gles3/shaders/sky.glsl b/drivers/gles3/shaders/sky.glsl index 0faa3eb70c..eb1befe38e 100644 --- a/drivers/gles3/shaders/sky.glsl +++ b/drivers/gles3/shaders/sky.glsl @@ -12,22 +12,13 @@ mode_cubemap_quarter_res = #define USE_CUBEMAP_PASS \n#define USE_QUARTER_RES_PA #[vertex] -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -precision highp float; -precision highp int; -#endif +layout(location = 0) in vec2 vertex_attrib; out vec2 uv_interp; /* clang-format on */ void main() { - // One big triangle to cover the whole screen - vec2 base_arr[3] = vec2[](vec2(-1.0, -2.0), vec2(-1.0, 2.0), vec2(2.0, 2.0)); - uv_interp = base_arr[gl_VertexID]; + uv_interp = vertex_attrib; gl_Position = vec4(uv_interp, 1.0, 1.0); } @@ -36,19 +27,7 @@ void main() { #define M_PI 3.14159265359 -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -#if defined(USE_HIGHP_PRECISION) -precision highp float; -precision highp int; -#else -precision mediump float; -precision mediump int; -#endif -#endif +#include "tonemap_inc.glsl" in vec2 uv_interp; @@ -63,18 +42,8 @@ uniform sampler2D half_res; //texunit:-2 uniform sampler2D quarter_res; //texunit:-3 #endif -layout(std140) uniform CanvasData { //ubo:0 - mat3 orientation; - vec4 projection; - vec4 position_multiplier; - float time; - float luminance_multiplier; - float pad1; - float pad2; -}; - -layout(std140) uniform GlobalVariableData { //ubo:1 - vec4 global_variables[MAX_GLOBAL_VARIABLES]; +layout(std140) uniform GlobalShaderUniformData { //ubo:1 + vec4 global_shader_uniforms[MAX_GLOBAL_SHADER_UNIFORMS]; }; struct DirectionalLightData { @@ -83,20 +52,21 @@ struct DirectionalLightData { bool enabled; }; -layout(std140) uniform DirectionalLights { //ubo:2 +layout(std140) uniform DirectionalLights { //ubo:4 DirectionalLightData data[MAX_DIRECTIONAL_LIGHT_DATA_STRUCTS]; } directional_lights; +/* clang-format off */ + #ifdef MATERIAL_UNIFORMS_USED -layout(std140) uniform MaterialUniforms{ -//ubo:3 +layout(std140) uniform MaterialUniforms{ //ubo:3 #MATERIAL_UNIFORMS -} material; +}; #endif - +/* clang-format on */ #GLOBALS #ifdef USE_CUBEMAP_PASS @@ -117,6 +87,20 @@ layout(std140) uniform MaterialUniforms{ #define AT_QUARTER_RES_PASS false #endif +// mat4 is a waste of space, but we don't have an easy way to set a mat3 uniform for now +uniform mat4 orientation; +uniform vec4 projection; +uniform vec3 position; +uniform float time; + +uniform float fog_aerial_perspective; +uniform vec3 fog_light_color; +uniform float fog_sun_scatter; +uniform bool fog_enabled; +uniform float fog_density; +uniform float z_far; +uniform uint directional_light_count; + layout(location = 0) out vec4 frag_color; void main() { @@ -125,12 +109,11 @@ void main() { cube_normal.x = (uv_interp.x + projection.x) / projection.y; cube_normal.y = (-uv_interp.y - projection.z) / projection.w; cube_normal = mat3(orientation) * cube_normal; - cube_normal.z = -cube_normal.z; cube_normal = normalize(cube_normal); - vec2 uv = uv_interp * 0.5 + 0.5; + vec2 uv = gl_FragCoord.xy; // 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; @@ -145,20 +128,18 @@ 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) * luminance_multiplier; + half_res_color = texture(samplerCube(half_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), cube_normal); #endif #ifdef USES_QUARTER_RES_COLOR - quarter_res_color = texture(samplerCube(quarter_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), inverted_cube_normal) * luminance_multiplier; + quarter_res_color = texture(samplerCube(quarter_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), cube_normal); #endif #else #ifdef USES_HALF_RES_COLOR - half_res_color = textureLod(sampler2D(half_res, material_samplers[SAMPLER_LINEAR_CLAMP]), uv, 0.0) * luminance_multiplier; + half_res_color = textureLod(sampler2D(half_res, material_samplers[SAMPLER_LINEAR_CLAMP]), uv, 0.0); #endif #ifdef USES_QUARTER_RES_COLOR - quarter_res_color = textureLod(sampler2D(quarter_res, material_samplers[SAMPLER_LINEAR_CLAMP]), uv, 0.0) * luminance_multiplier; + quarter_res_color = textureLod(sampler2D(quarter_res, material_samplers[SAMPLER_LINEAR_CLAMP]), uv, 0.0); #endif #endif @@ -168,12 +149,20 @@ void main() { } - frag_color.rgb = color * position_multiplier.w / luminance_multiplier; - frag_color.a = alpha; + // Convert to Linear for tonemapping so color matches scene shader better + color = srgb_to_linear(color); + color *= exposure; + color = apply_tonemapping(color, white); + color = linear_to_srgb(color); - // Blending is disabled for Sky, so alpha doesn't blend - // alpha is used for subsurface scattering so make sure it doesn't get applied to Sky - if (!AT_CUBEMAP_PASS && !AT_HALF_RES_PASS && !AT_QUARTER_RES_PASS) { - frag_color.a = 0.0; - } +#ifdef USE_BCS + color = apply_bcs(color, bcs); +#endif + +#ifdef USE_COLOR_CORRECTION + color = apply_color_correction(color, color_correction); +#endif + + frag_color.rgb = color; + frag_color.a = alpha; } |