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-rw-r--r--drivers/gles3/shaders/canvas.glsl54
-rw-r--r--drivers/gles3/shaders/canvas_shadow.glsl4
-rw-r--r--drivers/gles3/shaders/copy.glsl4
-rw-r--r--drivers/gles3/shaders/scene.glsl11
-rw-r--r--drivers/gles3/shaders/tonemap.glsl16
5 files changed, 50 insertions, 39 deletions
diff --git a/drivers/gles3/shaders/canvas.glsl b/drivers/gles3/shaders/canvas.glsl
index a46b31c92e..7255b0425c 100644
--- a/drivers/gles3/shaders/canvas.glsl
+++ b/drivers/gles3/shaders/canvas.glsl
@@ -345,6 +345,7 @@ void light_compute(
inout vec4 light_color,
vec2 light_uv,
inout vec4 shadow_color,
+ inout vec2 shadow_vec,
vec3 normal,
vec2 uv,
#if defined(SCREEN_UV_USED)
@@ -379,14 +380,16 @@ uniform bool np_draw_center;
// left top right bottom in pixel coordinates
uniform vec4 np_margins;
-float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
float tex_size = 1.0 / tex_pixel_size;
- if (pixel < margin_begin) {
- return pixel * tex_pixel_size;
- } else if (pixel >= draw_size - margin_end) {
- return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+ float screen_margin_begin = margin_begin / s_ratio;
+ float screen_margin_end = margin_end / s_ratio;
+ if (pixel < screen_margin_begin) {
+ return pixel * s_ratio * tex_pixel_size;
+ } else if (pixel >= draw_size - screen_margin_end) {
+ return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
} else {
if (!np_draw_center) {
draw_center--;
@@ -394,22 +397,22 @@ float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, flo
if (np_repeat == 0) { //stretch
//convert to ratio
- float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+ float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
//scale to source texture
return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
} else if (np_repeat == 1) { //tile
//convert to ratio
- float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+ float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
//scale to source texture
return (margin_begin + ofs) * tex_pixel_size;
} else if (np_repeat == 2) { //tile fit
//convert to ratio
- float src_area = draw_size - margin_begin - margin_end;
+ float src_area = draw_size - screen_margin_begin - screen_margin_end;
float dst_area = tex_size - margin_begin - margin_end;
float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
//convert to ratio
- float ratio = (pixel - margin_begin) / src_area;
+ float ratio = (pixel - screen_margin_begin) / src_area;
ratio = mod(ratio * scale, 1.0);
return (margin_begin + ratio * dst_area) * tex_pixel_size;
}
@@ -431,9 +434,11 @@ void main() {
#ifdef USE_NINEPATCH
int draw_center = 2;
+ float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+ s_ratio = max(1.0, s_ratio);
uv = vec2(
- map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
- map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+ map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+ map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
if (draw_center == 0) {
color.a = 0.0;
@@ -512,6 +517,7 @@ FRAGMENT_SHADER_CODE
#ifdef USE_LIGHTING
vec2 light_vec = transformed_light_uv;
+ vec2 shadow_vec = transformed_light_uv;
if (normal_used) {
normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
@@ -539,6 +545,7 @@ FRAGMENT_SHADER_CODE
real_light_color,
light_uv,
real_light_shadow_color,
+ shadow_vec,
normal,
uv,
#if defined(SCREEN_UV_USED)
@@ -557,11 +564,16 @@ FRAGMENT_SHADER_CODE
color *= light;
#ifdef USE_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);
+#ifdef SHADOW_VEC_USED
+ mat3 inverse_light_matrix = mat3(light_matrix);
+ inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+ inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+ inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+ shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+ shadow_vec = light_uv_interp.zw;
+#endif
+ float angle_to_light = -atan(shadow_vec.x, shadow_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
float ang*/
@@ -572,18 +584,18 @@ FRAGMENT_SHADER_CODE
vec2 point;
float sh;
if (abs_angle < 45.0 * PI / 180.0) {
- point = light_vec;
+ point = shadow_vec;
sh = 0.0 + (1.0 / 8.0);
} else if (abs_angle > 135.0 * PI / 180.0) {
- point = -light_vec;
+ point = -shadow_vec;
sh = 0.5 + (1.0 / 8.0);
} else if (angle_to_light > 0.0) {
- point = vec2(light_vec.y, -light_vec.x);
+ point = vec2(shadow_vec.y, -shadow_vec.x);
sh = 0.25 + (1.0 / 8.0);
} else {
- point = vec2(-light_vec.y, light_vec.x);
+ point = vec2(-shadow_vec.y, shadow_vec.x);
sh = 0.75 + (1.0 / 8.0);
}
@@ -597,7 +609,7 @@ FRAGMENT_SHADER_CODE
#ifdef USE_RGBA_SHADOWS
-#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((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))
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
#else
diff --git a/drivers/gles3/shaders/canvas_shadow.glsl b/drivers/gles3/shaders/canvas_shadow.glsl
index 13fff7f4d1..4f706c5505 100644
--- a/drivers/gles3/shaders/canvas_shadow.glsl
+++ b/drivers/gles3/shaders/canvas_shadow.glsl
@@ -35,8 +35,8 @@ 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(0.0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);
+ highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+ comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
distance_buf = comp;
#else
diff --git a/drivers/gles3/shaders/copy.glsl b/drivers/gles3/shaders/copy.glsl
index 232b9ce7c0..1952e201aa 100644
--- a/drivers/gles3/shaders/copy.glsl
+++ b/drivers/gles3/shaders/copy.glsl
@@ -165,11 +165,11 @@ void main() {
#elif defined(USE_ASYM_PANO)
// When an asymmetrical projection matrix is used (applicable for stereoscopic rendering i.e. VR) we need to do this calculation per fragment to get a perspective correct result.
- // Note that we're ignoring the x-offset for IPD, with Z sufficiently in the distance it becomes neglectible, as a result we could probably just set cube_normal.z to -1.
+ // Asymmetrical projection means the center of projection is no longer in the center of the screen but shifted.
// The Matrix[2][0] (= asym_proj.x) and Matrix[2][1] (= asym_proj.z) values are what provide the right shift in the image.
vec3 cube_normal;
- cube_normal.z = -1000000.0;
+ cube_normal.z = -1.0;
cube_normal.x = (cube_normal.z * (-uv_interp.x - asym_proj.x)) / asym_proj.y;
cube_normal.y = (cube_normal.z * (-uv_interp.y - asym_proj.z)) / asym_proj.a;
cube_normal = mat3(sky_transform) * mat3(pano_transform) * cube_normal;
diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl
index f08d3f4d23..403de25dd0 100644
--- a/drivers/gles3/shaders/scene.glsl
+++ b/drivers/gles3/shaders/scene.glsl
@@ -302,8 +302,6 @@ out highp float dp_clip;
#ifdef USE_SKELETON
uniform highp sampler2D skeleton_texture; // texunit:-1
-uniform highp mat4 skeleton_transform;
-uniform bool skeleton_in_world_coords;
#endif
out highp vec4 position_interp;
@@ -432,14 +430,7 @@ void main() {
vec4(0.0, 0.0, 0.0, 1.0)) *
bone_weights.w;
- if (skeleton_in_world_coords) {
- highp mat4 bone_matrix = skeleton_transform * (transpose(m) * inverse(skeleton_transform));
- world_matrix = bone_matrix * world_matrix;
-
- } else {
-
- world_matrix = world_matrix * transpose(m);
- }
+ world_matrix = world_matrix * transpose(m);
}
#endif
diff --git a/drivers/gles3/shaders/tonemap.glsl b/drivers/gles3/shaders/tonemap.glsl
index 626968bc05..f1fe1742eb 100644
--- a/drivers/gles3/shaders/tonemap.glsl
+++ b/drivers/gles3/shaders/tonemap.glsl
@@ -164,7 +164,8 @@ vec3 linear_to_srgb(vec3 color) { // convert linear rgb to srgb, assumes clamped
return mix((vec3(1.0f) + a) * pow(color.rgb, vec3(1.0f / 2.4f)) - a, 12.92f * color.rgb, lessThan(color.rgb, vec3(0.0031308f)));
}
-vec3 apply_tonemapping(vec3 color, float white) { // inputs are LINEAR, always outputs clamped [0;1] color
+// inputs are LINEAR, If Linear tonemapping is selected no transform is performed else outputs are clamped [0, 1] color
+vec3 apply_tonemapping(vec3 color, float white) {
#ifdef USE_REINHARD_TONEMAPPER
return tonemap_reinhard(color, white);
#endif
@@ -177,7 +178,7 @@ vec3 apply_tonemapping(vec3 color, float white) { // inputs are LINEAR, always o
return tonemap_aces(color, white);
#endif
- return clamp(color, vec3(0.0f), vec3(1.0f)); // no other selected -> linear
+ return color; // no other selected -> linear: no color transform applied
}
vec3 gather_glow(sampler2D tex, vec2 uv) { // sample all selected glow levels
@@ -220,10 +221,14 @@ vec3 apply_glow(vec3 color, vec3 glow) { // apply glow using the selected blendi
#endif
#ifdef USE_GLOW_SCREEN
+ //need color clamping
+ color = clamp(color, vec3(0.0f), vec3(1.0f));
color = max((color + glow) - (color * glow), vec3(0.0));
#endif
#ifdef USE_GLOW_SOFTLIGHT
+ //need color clamping
+ color = clamp(color, vec3(0.0f), vec3(1.0));
glow = glow * vec3(0.5f) + vec3(0.5f);
color.r = (glow.r <= 0.5f) ? (color.r - (1.0f - 2.0f * glow.r) * color.r * (1.0f - color.r)) : (((glow.r > 0.5f) && (color.r <= 0.25f)) ? (color.r + (2.0f * glow.r - 1.0f) * (4.0f * color.r * (4.0f * color.r + 1.0f) * (color.r - 1.0f) + 7.0f * color.r)) : (color.r + (2.0f * glow.r - 1.0f) * (sqrt(color.r) - color.r)));
@@ -265,14 +270,16 @@ void main() {
color *= exposure;
- // Early Tonemap & SRGB Conversion
+ // Early Tonemap & SRGB Conversion; note that Linear tonemapping does not clamp to [0, 1]; some operations below expect a [0, 1] range and will clamp
color = apply_tonemapping(color, white);
#ifdef KEEP_3D_LINEAR
// leave color as is (-> don't convert to SRGB)
#else
- color = linear_to_srgb(color); // regular linear -> SRGB conversion
+ //need color clamping
+ color = clamp(color, vec3(0.0f), vec3(1.0f));
+ color = linear_to_srgb(color); // regular linear -> SRGB conversion (needs clamped values)
#endif
// Glow
@@ -282,6 +289,7 @@ void main() {
// high dynamic range -> SRGB
glow = apply_tonemapping(glow, white);
+ glow = clamp(glow, vec3(0.0f), vec3(1.0f));
glow = linear_to_srgb(glow);
color = apply_glow(color, glow);
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-02 16:19:51 +0000