summaryrefslogtreecommitdiff
path: root/drivers/gles2/shaders
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gles2/shaders')
-rw-r--r--drivers/gles2/shaders/canvas.glsl62
-rw-r--r--drivers/gles2/shaders/canvas_shadow.glsl2
-rw-r--r--drivers/gles2/shaders/cubemap_filter.glsl21
-rw-r--r--drivers/gles2/shaders/scene.glsl99
4 files changed, 142 insertions, 42 deletions
diff --git a/drivers/gles2/shaders/canvas.glsl b/drivers/gles2/shaders/canvas.glsl
index c4a8c8b990..7ba2856216 100644
--- a/drivers/gles2/shaders/canvas.glsl
+++ b/drivers/gles2/shaders/canvas.glsl
@@ -107,6 +107,7 @@ vec2 select(vec2 a, vec2 b, bvec2 c) {
void main() {
vec4 color = color_attrib;
+ vec2 uv;
#ifdef USE_INSTANCING
mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
@@ -121,9 +122,9 @@ void main() {
#ifdef USE_TEXTURE_RECT
if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
- uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+ uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
} else {
- uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+ uv = src_rect.xy + abs(src_rect.zw) * vertex;
}
vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
@@ -140,7 +141,7 @@ void main() {
#else
vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
- uv_interp = uv_attrib;
+ uv = uv_attrib;
#endif
{
@@ -161,6 +162,9 @@ VERTEX_SHADER_CODE
#ifdef USE_PIXEL_SNAP
outvec.xy = floor(outvec + 0.5).xy;
+ // precision issue on some hardware creates artifacts within texture
+ // offset uv by a small amount to avoid
+ uv += 1e-5;
#endif
#ifdef USE_SKELETON
@@ -189,6 +193,7 @@ VERTEX_SHADER_CODE
#endif
+ uv_interp = uv;
gl_Position = projection_matrix * outvec;
#ifdef USE_LIGHTING
@@ -215,29 +220,25 @@ VERTEX_SHADER_CODE
/* clang-format off */
[fragment]
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
#ifndef USE_GLES_OVER_GL
-
#ifdef GL_EXT_shader_texture_lod
#extension GL_EXT_shader_texture_lod : enable
#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
#endif
-
-#endif
+#endif // !USE_GLES_OVER_GL
#ifdef GL_ARB_shader_texture_lod
#extension GL_ARB_shader_texture_lod : enable
#endif
-
#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
#endif
-
-
-
#ifdef USE_GLES_OVER_GL
#define lowp
#define mediump
@@ -316,13 +317,43 @@ FRAGMENT_SHADER_GLOBALS
/* clang-format on */
+void light_compute(
+ inout vec4 light,
+ inout vec2 light_vec,
+ inout float light_height,
+ inout vec4 light_color,
+ vec2 light_uv,
+ inout vec4 shadow_color,
+ vec3 normal,
+ vec2 uv,
+#if defined(SCREEN_UV_USED)
+ vec2 screen_uv,
+#endif
+ vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+ /* clang-format off */
+
+LIGHT_SHADER_CODE
+
+ /* clang-format on */
+
+#endif
+}
+
void main() {
vec4 color = color_interp;
+ vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+ //needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that dont support it
+ uv = mod(uv, vec2(1.0, 1.0));
+#endif
#if !defined(COLOR_USED)
//default behavior, texture by color
- color *= texture2D(color_texture, uv_interp);
+ color *= texture2D(color_texture, uv);
#endif
#ifdef SCREEN_UV_USED
@@ -339,7 +370,7 @@ void main() {
#endif
if (use_default_normal) {
- normal.xy = texture2D(normal_texture, uv_interp).xy * 2.0 - 1.0;
+ normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
normal.z = sqrt(1.0 - dot(normal.xy, normal.xy));
normal_used = true;
} else {
@@ -414,7 +445,10 @@ FRAGMENT_SHADER_CODE
color *= light;
#ifdef USE_SHADOWS
- light_vec = light_uv_interp.zw; //for shadows
+ // Reset light_vec to compute shadows, the shadow map is created from the light origin, so it only
+ // makes sense to compute shadows from there.
+ light_vec = light_uv_interp.zw;
+
float angle_to_light = -atan(light_vec.x, light_vec.y);
float PI = 3.14159265358979323846264;
/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
@@ -451,7 +485,7 @@ FRAGMENT_SHADER_CODE
#ifdef USE_RGBA_SHADOWS
-#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1))
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0))
#else
diff --git a/drivers/gles2/shaders/canvas_shadow.glsl b/drivers/gles2/shaders/canvas_shadow.glsl
index d39212826e..01b2c59325 100644
--- a/drivers/gles2/shaders/canvas_shadow.glsl
+++ b/drivers/gles2/shaders/canvas_shadow.glsl
@@ -48,7 +48,7 @@ void main() {
#ifdef USE_RGBA_SHADOWS
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, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);
+ comp -= comp.xxyz * vec4(0.0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);
gl_FragColor = comp;
#else
diff --git a/drivers/gles2/shaders/cubemap_filter.glsl b/drivers/gles2/shaders/cubemap_filter.glsl
index 7643297a14..db3d8b3a1b 100644
--- a/drivers/gles2/shaders/cubemap_filter.glsl
+++ b/drivers/gles2/shaders/cubemap_filter.glsl
@@ -25,15 +25,15 @@ void main() {
/* clang-format off */
[fragment]
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
#ifndef USE_GLES_OVER_GL
-
#ifdef GL_EXT_shader_texture_lod
#extension GL_EXT_shader_texture_lod : enable
#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
#endif
-
-#endif
+#endif // !USE_GLES_OVER_GL
#ifdef GL_ARB_shader_texture_lod
#extension GL_ARB_shader_texture_lod : enable
@@ -44,8 +44,6 @@ void main() {
#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
#endif
-
-
#ifdef USE_GLES_OVER_GL
#define lowp
#define mediump
@@ -187,6 +185,18 @@ void main() {
vec2 uv = (uv_interp * 2.0) - 1.0;
vec3 N = texelCoordToVec(uv, face_id);
+#ifdef USE_DIRECT_WRITE
+
+#ifdef USE_SOURCE_PANORAMA
+
+ gl_FragColor = vec4(texturePanorama(source_panorama, N).rgb, 1.0);
+#else
+
+ gl_FragColor = vec4(textureCube(source_cube, N).rgb, 1.0);
+#endif //USE_SOURCE_PANORAMA
+
+#else
+
vec4 sum = vec4(0.0);
for (int sample_num = 0; sample_num < SAMPLE_COUNT; sample_num++) {
@@ -221,4 +231,5 @@ void main() {
sum.rgb = mix((vec3(1.0) + a) * pow(sum.rgb, vec3(1.0 / 2.4)) - a, 12.92 * sum.rgb, vec3(lessThan(sum.rgb, vec3(0.0031308))));
gl_FragColor = vec4(sum.rgb, 1.0);
+#endif
}
diff --git a/drivers/gles2/shaders/scene.glsl b/drivers/gles2/shaders/scene.glsl
index 6c3d3baccd..7e59b63935 100644
--- a/drivers/gles2/shaders/scene.glsl
+++ b/drivers/gles2/shaders/scene.glsl
@@ -59,6 +59,10 @@ uniform ivec2 skeleton_texture_size;
#endif
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+uniform bool skeleton_in_world_coords;
+
#endif
#ifdef USE_INSTANCING
@@ -96,6 +100,10 @@ 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;
@@ -158,6 +166,7 @@ varying highp vec3 specular_interp;
// general for all lights
uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
uniform highp float light_specular;
// directional
@@ -354,7 +363,7 @@ void main() {
uv2_interp = uv2_attrib;
#endif
-#ifdef OVERRIDE_POSITION
+#if defined(OVERRIDE_POSITION)
highp vec4 position;
#endif
@@ -399,7 +408,13 @@ void main() {
#endif
- world_matrix = bone_transform * world_matrix;
+ if (skeleton_in_world_coords) {
+ bone_transform = skeleton_transform * (bone_transform * skeleton_transform_inverse);
+ world_matrix = bone_transform * world_matrix;
+ } else {
+ world_matrix = world_matrix * bone_transform;
+ }
+
#endif
#ifdef USE_INSTANCING
@@ -646,25 +661,29 @@ 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 */
[fragment]
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
#ifndef USE_GLES_OVER_GL
-
#ifdef GL_EXT_shader_texture_lod
#extension GL_EXT_shader_texture_lod : enable
#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
#endif
-
-#endif
+#endif // !USE_GLES_OVER_GL
#ifdef GL_ARB_shader_texture_lod
#extension GL_ARB_shader_texture_lod : enable
@@ -675,9 +694,6 @@ VERTEX_SHADER_CODE
#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
#endif
-
-
-
#ifdef USE_GLES_OVER_GL
#define lowp
#define mediump
@@ -723,6 +739,9 @@ 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
@@ -900,6 +919,8 @@ uniform float ambient_energy;
#ifdef USE_LIGHTING
+uniform highp vec4 shadow_color;
+
#ifdef USE_VERTEX_LIGHTING
//get from vertex
@@ -912,6 +933,7 @@ 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 float light_specular;
// directional
@@ -968,6 +990,10 @@ 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;
@@ -1328,8 +1354,18 @@ 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) {
@@ -1591,14 +1627,14 @@ 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),
@@ -1680,7 +1716,7 @@ FRAGMENT_SHADER_CODE
float shadow = sample_shadow(light_shadow_atlas, splane);
- light_att *= shadow;
+ light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
}
#endif
@@ -1757,7 +1793,7 @@ FRAGMENT_SHADER_CODE
shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
}
#endif
- light_att *= shadow_att;
+ light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
}
#endif //LIGHT_USE_PSSM4
@@ -1798,14 +1834,14 @@ FRAGMENT_SHADER_CODE
shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
}
#endif
- light_att *= shadow_att;
+ light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
}
#endif //LIGHT_USE_PSSM2
#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
@@ -1905,7 +1941,7 @@ FRAGMENT_SHADER_CODE
}
#endif
- light_att *= shadow;
+ light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
}
}
#endif //use vertex lighting
@@ -1953,7 +1989,7 @@ FRAGMENT_SHADER_CODE
highp vec4 splane = shadow_coord;
float shadow = sample_shadow(light_shadow_atlas, splane);
- light_att *= shadow;
+ light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
}
#endif
@@ -2049,7 +2085,12 @@ FRAGMENT_SHADER_CODE
#if defined(USE_VERTEX_LIGHTING)
+#if defined(BASE_PASS)
gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+ gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
#else //pixel based fog
float fog_amount = 0.0;
@@ -2083,11 +2124,25 @@ FRAGMENT_SHADER_CODE
}
#endif
+#if defined(BASE_PASS)
gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+ gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
#endif //use vertex lit
#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
}