diff options
Diffstat (limited to 'drivers/gles2/shaders/scene.glsl')
| -rw-r--r-- | drivers/gles2/shaders/scene.glsl | 60 |
1 files changed, 48 insertions, 12 deletions
diff --git a/drivers/gles2/shaders/scene.glsl b/drivers/gles2/shaders/scene.glsl index 6f6f827d60..371ea8498a 100644 --- a/drivers/gles2/shaders/scene.glsl +++ b/drivers/gles2/shaders/scene.glsl @@ -96,6 +96,10 @@ uniform float light_normal_bias; // varyings // +#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS) +varying highp vec4 position_interp; +#endif + varying highp vec3 vertex_interp; varying vec3 normal_interp; @@ -355,7 +359,7 @@ void main() { uv2_interp = uv2_attrib; #endif -#ifdef OVERRIDE_POSITION +#if defined(OVERRIDE_POSITION) highp vec4 position; #endif @@ -647,11 +651,15 @@ VERTEX_SHADER_CODE #endif //use vertex lighting -#ifdef OVERRIDE_POSITION +#if defined(OVERRIDE_POSITION) gl_Position = position; #else gl_Position = projection_matrix * vec4(vertex_interp, 1.0); #endif + +#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS) + position_interp = gl_Position; +#endif } /* clang-format off */ @@ -724,6 +732,9 @@ uniform vec2 screen_pixel_size; #if defined(SCREEN_TEXTURE_USED) uniform highp sampler2D screen_texture; //texunit:-4 #endif +#if defined(DEPTH_TEXTURE_USED) +uniform highp sampler2D depth_texture; //texunit:-4 +#endif #ifdef USE_REFLECTION_PROBE1 @@ -901,6 +912,8 @@ uniform float ambient_energy; #ifdef USE_LIGHTING +uniform highp vec4 shadow_color; + #ifdef USE_VERTEX_LIGHTING //get from vertex @@ -913,7 +926,7 @@ uniform highp vec3 light_direction; //may be used by fog, so leave here //done in fragment // general for all lights uniform highp vec4 light_color; -uniform highp vec4 shadow_color; + uniform highp float light_specular; // directional @@ -970,6 +983,10 @@ uniform vec4 light_clamp; // varyings // +#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS) +varying highp vec4 position_interp; +#endif + varying highp vec3 vertex_interp; varying vec3 normal_interp; @@ -1330,8 +1347,18 @@ LIGHT_SHADER_CODE #ifdef USE_SHADOW -#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, texture2D(p_shadow, p_pos).r) -#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, texture2DProj(p_shadow, p_pos).r) +#ifdef USE_RGBA_SHADOWS + +#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0)) + +#else + +#define SHADOW_DEPTH(m_val) (m_val).r + +#endif + +#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos))) +#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos))) float sample_shadow(highp sampler2D shadow, highp vec4 spos) { @@ -1593,14 +1620,14 @@ FRAGMENT_SHADER_CODE #ifdef USE_LIGHTMAP_CAPTURE { vec3 cone_dirs[12] = vec3[]( - vec3(0, 0, 1), - vec3(0.866025, 0, 0.5), + vec3(0.0, 0.0, 1.0), + vec3(0.866025, 0.0, 0.5), vec3(0.267617, 0.823639, 0.5), vec3(-0.700629, 0.509037, 0.5), vec3(-0.700629, -0.509037, 0.5), vec3(0.267617, -0.823639, 0.5), - vec3(0, 0, -1), - vec3(0.866025, 0, -0.5), + vec3(0.0, 0.0, -1.0), + vec3(0.866025, 0.0, -0.5), vec3(0.267617, 0.823639, -0.5), vec3(-0.700629, 0.509037, -0.5), vec3(-0.700629, -0.509037, -0.5), @@ -1807,7 +1834,7 @@ FRAGMENT_SHADER_CODE #if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2) - light_att *= sample_shadow(light_directional_shadow, shadow_coord); + light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord)); #endif //orthogonal #else //fragment version of pssm @@ -2057,7 +2084,6 @@ FRAGMENT_SHADER_CODE gl_FragColor.rgb *= (1.0 - fog_interp.a); #endif // BASE_PASS - #else //pixel based fog float fog_amount = 0.0; @@ -2101,5 +2127,15 @@ FRAGMENT_SHADER_CODE #endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED) -#endif // not RENDER_DEPTH +#else // not RENDER_DEPTH +//depth render +#ifdef USE_RGBA_SHADOWS + + highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias + highp vec4 comp = fract(depth * vec4(256.0 * 256.0 * 256.0, 256.0 * 256.0, 256.0, 1.0)); + comp -= comp.xxyz * vec4(0.0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0); + gl_FragColor = comp; + +#endif +#endif } |