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-rw-r--r--drivers/gles3/rasterizer_scene_gles3.cpp96
-rw-r--r--drivers/gles3/rasterizer_scene_gles3.h9
-rw-r--r--drivers/gles3/rasterizer_storage_gles3.cpp12
-rw-r--r--drivers/gles3/shader_compiler_gles3.cpp15
-rw-r--r--drivers/gles3/shaders/canvas.glsl12
-rw-r--r--drivers/gles3/shaders/copy.glsl24
-rw-r--r--drivers/gles3/shaders/scene.glsl248
-rw-r--r--drivers/gles3/shaders/subsurf_scattering.glsl25
-rw-r--r--drivers/gles3/shaders/tonemap.glsl7
9 files changed, 286 insertions, 162 deletions
diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp
index 146a2359b6..6117c91a6a 100644
--- a/drivers/gles3/rasterizer_scene_gles3.cpp
+++ b/drivers/gles3/rasterizer_scene_gles3.cpp
@@ -28,7 +28,7 @@
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "rasterizer_scene_gles3.h"
-
+#include "math_funcs.h"
#include "os/os.h"
#include "project_settings.h"
#include "rasterizer_canvas_gles3.h"
@@ -379,6 +379,7 @@ bool RasterizerSceneGLES3::shadow_atlas_update_light(RID p_atlas, RID p_light_in
sh->owner = p_light_intance;
sh->alloc_tick = tick;
sh->version = p_light_version;
+ li->shadow_atlases.insert(p_atlas);
//make new key
key = new_quadrant << ShadowAtlas::QUADRANT_SHIFT;
@@ -414,6 +415,7 @@ bool RasterizerSceneGLES3::shadow_atlas_update_light(RID p_atlas, RID p_light_in
sh->owner = p_light_intance;
sh->alloc_tick = tick;
sh->version = p_light_version;
+ li->shadow_atlases.insert(p_atlas);
//make new key
uint32_t key = new_quadrant << ShadowAtlas::QUADRANT_SHIFT;
@@ -799,12 +801,12 @@ void RasterizerSceneGLES3::environment_set_sky(RID p_env, RID p_sky) {
env->sky = p_sky;
}
-void RasterizerSceneGLES3::environment_set_sky_scale(RID p_env, float p_scale) {
+void RasterizerSceneGLES3::environment_set_sky_custom_fov(RID p_env, float p_scale) {
Environment *env = environment_owner.getornull(p_env);
ERR_FAIL_COND(!env);
- env->sky_scale = p_scale;
+ env->sky_custom_fov = p_scale;
}
void RasterizerSceneGLES3::environment_set_bg_color(RID p_env, const Color &p_color) {
@@ -2140,7 +2142,6 @@ void RasterizerSceneGLES3::_render_list(RenderList::Element **p_elements, int p_
first = false;
}
- glFrontFace(GL_CW);
glBindVertexArray(0);
state.scene_shader.set_conditional(SceneShaderGLES3::USE_INSTANCING, false);
@@ -2319,7 +2320,7 @@ void RasterizerSceneGLES3::_add_geometry_with_material(RasterizerStorageGLES3::G
}
}
-void RasterizerSceneGLES3::_draw_sky(RasterizerStorageGLES3::Sky *p_sky, const CameraMatrix &p_projection, const Transform &p_transform, bool p_vflip, float p_scale, float p_energy) {
+void RasterizerSceneGLES3::_draw_sky(RasterizerStorageGLES3::Sky *p_sky, const CameraMatrix &p_projection, const Transform &p_transform, bool p_vflip, float p_custom_fov, float p_energy) {
if (!p_sky)
return;
@@ -2349,8 +2350,30 @@ void RasterizerSceneGLES3::_draw_sky(RasterizerStorageGLES3::Sky *p_sky, const C
glDepthFunc(GL_LEQUAL);
glColorMask(1, 1, 1, 1);
+ // Camera
+ CameraMatrix camera;
+
+ if (p_custom_fov) {
+
+ float near_plane = p_projection.get_z_near();
+ float far_plane = p_projection.get_z_far();
+ float aspect = p_projection.get_aspect();
+
+ camera.set_perspective(p_custom_fov, aspect, near_plane, far_plane);
+
+ } else {
+ camera = p_projection;
+ }
+
float flip_sign = p_vflip ? -1 : 1;
+ /*
+ If matrix[2][0] or matrix[2][1] we're dealing with an asymmetrical projection matrix. This is the case for stereoscopic rendering (i.e. VR).
+ To ensure the image rendered is perspective correct we need to move some logic into the shader. For this the USE_ASYM_PANO option is introduced.
+ It also means the uv coordinates are ignored in this mode and we don't need our loop.
+ */
+ bool asymmetrical = ((camera.matrix[2][0] != 0.0) || (camera.matrix[2][1] != 0.0));
+
Vector3 vertices[8] = {
Vector3(-1, -1 * flip_sign, 1),
Vector3(0, 1, 0),
@@ -2360,24 +2383,21 @@ void RasterizerSceneGLES3::_draw_sky(RasterizerStorageGLES3::Sky *p_sky, const C
Vector3(1, 0, 0),
Vector3(-1, 1 * flip_sign, 1),
Vector3(0, 0, 0)
-
};
- //sky uv vectors
- float vw, vh, zn;
- p_projection.get_viewport_size(vw, vh);
- zn = p_projection.get_z_near();
-
- float scale = p_scale;
-
- for (int i = 0; i < 4; i++) {
-
- Vector3 uv = vertices[i * 2 + 1];
- uv.x = (uv.x * 2.0 - 1.0) * vw * scale;
- uv.y = -(uv.y * 2.0 - 1.0) * vh * scale;
- uv.z = -zn;
- vertices[i * 2 + 1] = p_transform.basis.xform(uv).normalized();
- vertices[i * 2 + 1].z = -vertices[i * 2 + 1].z;
+ if (!asymmetrical) {
+ float vw, vh, zn;
+ camera.get_viewport_size(vw, vh);
+ zn = p_projection.get_z_near();
+
+ for (int i = 0; i < 4; i++) {
+ Vector3 uv = vertices[i * 2 + 1];
+ uv.x = (uv.x * 2.0 - 1.0) * vw;
+ uv.y = -(uv.y * 2.0 - 1.0) * vh;
+ uv.z = -zn;
+ vertices[i * 2 + 1] = p_transform.basis.xform(uv).normalized();
+ vertices[i * 2 + 1].z = -vertices[i * 2 + 1].z;
+ }
}
glBindBuffer(GL_ARRAY_BUFFER, state.sky_verts);
@@ -2386,16 +2406,24 @@ void RasterizerSceneGLES3::_draw_sky(RasterizerStorageGLES3::Sky *p_sky, const C
glBindVertexArray(state.sky_array);
- storage->shaders.copy.set_conditional(CopyShaderGLES3::USE_PANORAMA, true);
+ storage->shaders.copy.set_conditional(CopyShaderGLES3::USE_ASYM_PANO, asymmetrical);
+ storage->shaders.copy.set_conditional(CopyShaderGLES3::USE_PANORAMA, !asymmetrical);
storage->shaders.copy.set_conditional(CopyShaderGLES3::USE_MULTIPLIER, true);
storage->shaders.copy.bind();
storage->shaders.copy.set_uniform(CopyShaderGLES3::MULTIPLIER, p_energy);
+ if (asymmetrical) {
+ // pack the bits we need from our projection matrix
+ storage->shaders.copy.set_uniform(CopyShaderGLES3::ASYM_PROJ, camera.matrix[2][0], camera.matrix[0][0], camera.matrix[2][1], camera.matrix[1][1]);
+ ///@TODO I couldn't get mat3 + p_transform.basis to work, that would be better here.
+ storage->shaders.copy.set_uniform(CopyShaderGLES3::PANO_TRANSFORM, p_transform);
+ }
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
glBindVertexArray(0);
glColorMask(1, 1, 1, 1);
+ storage->shaders.copy.set_conditional(CopyShaderGLES3::USE_ASYM_PANO, false);
storage->shaders.copy.set_conditional(CopyShaderGLES3::USE_MULTIPLIER, false);
storage->shaders.copy.set_conditional(CopyShaderGLES3::USE_PANORAMA, false);
}
@@ -2404,6 +2432,7 @@ void RasterizerSceneGLES3::_setup_environment(Environment *env, const CameraMatr
//store camera into ubo
store_camera(p_cam_projection, state.ubo_data.projection_matrix);
+ store_camera(p_cam_projection.inverse(), state.ubo_data.inv_projection_matrix);
store_transform(p_cam_transform, state.ubo_data.camera_matrix);
store_transform(p_cam_transform.affine_inverse(), state.ubo_data.camera_inverse_matrix);
@@ -2521,9 +2550,10 @@ void RasterizerSceneGLES3::_setup_directional_light(int p_index, const Transform
float sign = li->light_ptr->negative ? -1 : 1;
Color linear_col = li->light_ptr->color.to_linear();
- ubo_data.light_color_energy[0] = linear_col.r * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];
- ubo_data.light_color_energy[1] = linear_col.g * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];
- ubo_data.light_color_energy[2] = linear_col.b * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];
+ //compensate normalized diffuse range by multiplying by PI
+ ubo_data.light_color_energy[0] = linear_col.r * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY] * Math_PI;
+ ubo_data.light_color_energy[1] = linear_col.g * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY] * Math_PI;
+ ubo_data.light_color_energy[2] = linear_col.b * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY] * Math_PI;
ubo_data.light_color_energy[3] = 0;
//omni, keep at 0
@@ -2661,9 +2691,9 @@ void RasterizerSceneGLES3::_setup_lights(RID *p_light_cull_result, int p_light_c
float sign = li->light_ptr->negative ? -1 : 1;
Color linear_col = li->light_ptr->color.to_linear();
- ubo_data.light_color_energy[0] = linear_col.r * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];
- ubo_data.light_color_energy[1] = linear_col.g * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];
- ubo_data.light_color_energy[2] = linear_col.b * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];
+ ubo_data.light_color_energy[0] = linear_col.r * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY] * Math_PI;
+ ubo_data.light_color_energy[1] = linear_col.g * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY] * Math_PI;
+ ubo_data.light_color_energy[2] = linear_col.b * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY] * Math_PI;
ubo_data.light_color_energy[3] = 0;
Vector3 pos = p_camera_inverse_transform.xform(li->transform.origin);
@@ -2747,9 +2777,9 @@ void RasterizerSceneGLES3::_setup_lights(RID *p_light_cull_result, int p_light_c
float sign = li->light_ptr->negative ? -1 : 1;
Color linear_col = li->light_ptr->color.to_linear();
- ubo_data.light_color_energy[0] = linear_col.r * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];
- ubo_data.light_color_energy[1] = linear_col.g * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];
- ubo_data.light_color_energy[2] = linear_col.b * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];
+ ubo_data.light_color_energy[0] = linear_col.r * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY] * Math_PI;
+ ubo_data.light_color_energy[1] = linear_col.g * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY] * Math_PI;
+ ubo_data.light_color_energy[2] = linear_col.b * sign * li->light_ptr->param[VS::LIGHT_PARAM_ENERGY] * Math_PI;
ubo_data.light_color_energy[3] = 0;
Vector3 pos = p_camera_inverse_transform.xform(li->transform.origin);
@@ -4257,7 +4287,7 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->buffers.fbo); //switch to alpha fbo for sky, only diffuse/ambient matters
*/
- _draw_sky(sky, p_cam_projection, p_cam_transform, false, env->sky_scale, env->bg_energy);
+ _draw_sky(sky, p_cam_projection, p_cam_transform, false, env->sky_custom_fov, env->bg_energy);
}
//_render_list_forward(&alpha_render_list,camera_transform,camera_transform_inverse,camera_projection,false,fragment_lighting,true);
@@ -5010,6 +5040,8 @@ void RasterizerSceneGLES3::initialize() {
}
state.debug_draw = VS::VIEWPORT_DEBUG_DRAW_DISABLED;
+
+ glFrontFace(GL_CW);
}
void RasterizerSceneGLES3::iteration() {
diff --git a/drivers/gles3/rasterizer_scene_gles3.h b/drivers/gles3/rasterizer_scene_gles3.h
index 8669c42a7a..28a5cef0ee 100644
--- a/drivers/gles3/rasterizer_scene_gles3.h
+++ b/drivers/gles3/rasterizer_scene_gles3.h
@@ -110,6 +110,7 @@ public:
struct SceneDataUBO {
//this is a std140 compatible struct. Please read the OpenGL 3.3 Specificaiton spec before doing any changes
float projection_matrix[16];
+ float inv_projection_matrix[16];
float camera_inverse_matrix[16];
float camera_matrix[16];
float ambient_light_color[4];
@@ -351,7 +352,7 @@ public:
VS::EnvironmentBG bg_mode;
RID sky;
- float sky_scale;
+ float sky_custom_fov;
Color bg_color;
float bg_energy;
@@ -434,7 +435,7 @@ public:
Environment() {
bg_mode = VS::ENV_BG_CLEAR_COLOR;
- sky_scale = 1.0;
+ sky_custom_fov = 0.0;
bg_energy = 1.0;
sky_ambient = 0;
ambient_energy = 1.0;
@@ -519,7 +520,7 @@ public:
virtual void environment_set_background(RID p_env, VS::EnvironmentBG p_bg);
virtual void environment_set_sky(RID p_env, RID p_sky);
- virtual void environment_set_sky_scale(RID p_env, float p_scale);
+ virtual void environment_set_sky_custom_fov(RID p_env, float p_scale);
virtual void environment_set_bg_color(RID p_env, const Color &p_color);
virtual void environment_set_bg_energy(RID p_env, float p_energy);
virtual void environment_set_canvas_max_layer(RID p_env, int p_max_layer);
@@ -810,7 +811,7 @@ public:
_FORCE_INLINE_ void _add_geometry_with_material(RasterizerStorageGLES3::Geometry *p_geometry, InstanceBase *p_instance, RasterizerStorageGLES3::GeometryOwner *p_owner, RasterizerStorageGLES3::Material *p_material, bool p_depth_pass);
- void _draw_sky(RasterizerStorageGLES3::Sky *p_sky, const CameraMatrix &p_projection, const Transform &p_transform, bool p_vflip, float p_scale, float p_energy);
+ void _draw_sky(RasterizerStorageGLES3::Sky *p_sky, const CameraMatrix &p_projection, const Transform &p_transform, bool p_vflip, float p_custom_fov, float p_energy);
void _setup_environment(Environment *env, const CameraMatrix &p_cam_projection, const Transform &p_cam_transform);
void _setup_directional_light(int p_index, const Transform &p_camera_inverse_transform, bool p_use_shadows);
diff --git a/drivers/gles3/rasterizer_storage_gles3.cpp b/drivers/gles3/rasterizer_storage_gles3.cpp
index b99817fb12..44a9909bd7 100644
--- a/drivers/gles3/rasterizer_storage_gles3.cpp
+++ b/drivers/gles3/rasterizer_storage_gles3.cpp
@@ -1564,6 +1564,7 @@ void RasterizerStorageGLES3::_update_shader(Shader *p_shader) const {
p_shader->canvas_item.blend_mode = Shader::CanvasItem::BLEND_MODE_MIX;
p_shader->canvas_item.uses_screen_texture = false;
p_shader->canvas_item.uses_screen_uv = false;
+ p_shader->canvas_item.uses_time = false;
shaders.actions_canvas.render_mode_values["blend_add"] = Pair<int *, int>(&p_shader->canvas_item.blend_mode, Shader::CanvasItem::BLEND_MODE_ADD);
shaders.actions_canvas.render_mode_values["blend_mix"] = Pair<int *, int>(&p_shader->canvas_item.blend_mode, Shader::CanvasItem::BLEND_MODE_MIX);
@@ -1595,6 +1596,7 @@ void RasterizerStorageGLES3::_update_shader(Shader *p_shader) const {
p_shader->spatial.unshaded = false;
p_shader->spatial.no_depth_test = false;
p_shader->spatial.uses_sss = false;
+ p_shader->spatial.uses_time = false;
p_shader->spatial.uses_vertex_lighting = false;
p_shader->spatial.uses_screen_texture = false;
p_shader->spatial.uses_vertex = false;
@@ -2471,7 +2473,7 @@ void RasterizerStorageGLES3::_update_material(Material *material) {
glGenBuffers(1, &material->ubo_id);
glBindBuffer(GL_UNIFORM_BUFFER, material->ubo_id);
- glBufferData(GL_UNIFORM_BUFFER, material->shader->ubo_size, NULL, GL_DYNAMIC_DRAW);
+ glBufferData(GL_UNIFORM_BUFFER, material->shader->ubo_size, NULL, GL_STATIC_DRAW);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
material->ubo_size = material->shader->ubo_size;
}
@@ -3766,7 +3768,7 @@ void RasterizerStorageGLES3::multimesh_allocate(RID p_multimesh, int p_instances
glGenBuffers(1, &multimesh->buffer);
glBindBuffer(GL_ARRAY_BUFFER, multimesh->buffer);
- glBufferData(GL_ARRAY_BUFFER, multimesh->data.size() * sizeof(float), NULL, GL_DYNAMIC_DRAW);
+ glBufferData(GL_ARRAY_BUFFER, multimesh->data.size() * sizeof(float), NULL, GL_STATIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
@@ -5213,7 +5215,7 @@ void RasterizerStorageGLES3::particles_set_amount(RID p_particles, int p_amount)
glBindVertexArray(particles->particle_vaos[i]);
glBindBuffer(GL_ARRAY_BUFFER, particles->particle_buffers[i]);
- glBufferData(GL_ARRAY_BUFFER, floats * sizeof(float), data, GL_DYNAMIC_DRAW);
+ glBufferData(GL_ARRAY_BUFFER, floats * sizeof(float), data, GL_STATIC_DRAW);
for (int i = 0; i < 6; i++) {
glEnableVertexAttribArray(i);
@@ -6196,7 +6198,7 @@ void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt) {
rt->buffers.effects_active = true;
}
- if (!rt->flags[RENDER_TARGET_NO_SAMPLING]) {
+ if (!rt->flags[RENDER_TARGET_NO_SAMPLING] && rt->width >= 2 && rt->height >= 2) {
for (int i = 0; i < 2; i++) {
@@ -6509,7 +6511,7 @@ void RasterizerStorageGLES3::canvas_light_occluder_set_polylines(RID p_occluder,
if (!co->vertex_id) {
glGenBuffers(1, &co->vertex_id);
glBindBuffer(GL_ARRAY_BUFFER, co->vertex_id);
- glBufferData(GL_ARRAY_BUFFER, lc * 6 * sizeof(real_t), vw.ptr(), GL_DYNAMIC_DRAW);
+ glBufferData(GL_ARRAY_BUFFER, lc * 6 * sizeof(real_t), vw.ptr(), GL_STATIC_DRAW);
} else {
glBindBuffer(GL_ARRAY_BUFFER, co->vertex_id);
diff --git a/drivers/gles3/shader_compiler_gles3.cpp b/drivers/gles3/shader_compiler_gles3.cpp
index 5401c8266a..5fe7b53a7d 100644
--- a/drivers/gles3/shader_compiler_gles3.cpp
+++ b/drivers/gles3/shader_compiler_gles3.cpp
@@ -700,9 +700,7 @@ ShaderCompilerGLES3::ShaderCompilerGLES3() {
/** CANVAS ITEM SHADER **/
- actions[VS::SHADER_CANVAS_ITEM].renames["SRC_VERTEX"] = "vertex";
actions[VS::SHADER_CANVAS_ITEM].renames["VERTEX"] = "outvec.xy";
- actions[VS::SHADER_CANVAS_ITEM].renames["VERTEX_COLOR"] = "vertex_color";
actions[VS::SHADER_CANVAS_ITEM].renames["UV"] = "uv_interp";
actions[VS::SHADER_CANVAS_ITEM].renames["POINT_SIZE"] = "gl_PointSize";
@@ -711,6 +709,7 @@ ShaderCompilerGLES3::ShaderCompilerGLES3() {
actions[VS::SHADER_CANVAS_ITEM].renames["EXTRA_MATRIX"] == "extra_matrix";
actions[VS::SHADER_CANVAS_ITEM].renames["TIME"] = "time";
actions[VS::SHADER_CANVAS_ITEM].renames["AT_LIGHT_PASS"] = "at_light_pass";
+ actions[VS::SHADER_CANVAS_ITEM].renames["INSTANCE_CUSTOM"] = "instance_custom";
actions[VS::SHADER_CANVAS_ITEM].renames["COLOR"] = "color";
actions[VS::SHADER_CANVAS_ITEM].renames["NORMAL"] = "normal";
@@ -720,6 +719,7 @@ ShaderCompilerGLES3::ShaderCompilerGLES3() {
actions[VS::SHADER_CANVAS_ITEM].renames["COLOR"] = "color";
actions[VS::SHADER_CANVAS_ITEM].renames["TEXTURE"] = "color_texture";
actions[VS::SHADER_CANVAS_ITEM].renames["TEXTURE_PIXEL_SIZE"] = "color_texpixel_size";
+ actions[VS::SHADER_CANVAS_ITEM].renames["NORMAL_TEXTURE"] = "normal_texture";
actions[VS::SHADER_CANVAS_ITEM].renames["SCREEN_UV"] = "screen_uv";
actions[VS::SHADER_CANVAS_ITEM].renames["SCREEN_TEXTURE"] = "screen_texture";
actions[VS::SHADER_CANVAS_ITEM].renames["SCREEN_PIXEL_SIZE"] = "screen_pixel_size";
@@ -750,6 +750,7 @@ ShaderCompilerGLES3::ShaderCompilerGLES3() {
actions[VS::SHADER_SPATIAL].renames["INV_CAMERA_MATRIX"] = "camera_inverse_matrix";
actions[VS::SHADER_SPATIAL].renames["CAMERA_MATRIX"] = "camera_matrix";
actions[VS::SHADER_SPATIAL].renames["PROJECTION_MATRIX"] = "projection_matrix";
+ actions[VS::SHADER_SPATIAL].renames["INV_PROJECTION_MATRIX"] = "inv_projection_matrix";
actions[VS::SHADER_SPATIAL].renames["MODELVIEW_MATRIX"] = "modelview";
actions[VS::SHADER_SPATIAL].renames["VERTEX"] = "vertex.xyz";
@@ -786,6 +787,7 @@ ShaderCompilerGLES3::ShaderCompilerGLES3() {
actions[VS::SHADER_SPATIAL].renames["SSS_STRENGTH"] = "sss_strength";
actions[VS::SHADER_SPATIAL].renames["TRANSMISSION"] = "transmission";
actions[VS::SHADER_SPATIAL].renames["AO"] = "ao";
+ actions[VS::SHADER_SPATIAL].renames["AO_LIGHT_AFFECT"] = "ao_light_affect";
actions[VS::SHADER_SPATIAL].renames["EMISSION"] = "emission";
//actions[VS::SHADER_SPATIAL].renames["SCREEN_UV"]=ShaderLanguage::TYPE_VEC2;
actions[VS::SHADER_SPATIAL].renames["POINT_COORD"] = "gl_PointCoord";
@@ -796,6 +798,13 @@ ShaderCompilerGLES3::ShaderCompilerGLES3() {
actions[VS::SHADER_SPATIAL].renames["SIDE"] = "side";
actions[VS::SHADER_SPATIAL].renames["ALPHA_SCISSOR"] = "alpha_scissor";
+ //for light
+ actions[VS::SHADER_SPATIAL].renames["VIEW"] = "view";
+ actions[VS::SHADER_SPATIAL].renames["LIGHT_COLOR"] = "light_color";
+ actions[VS::SHADER_SPATIAL].renames["ATTENUATION"] = "attenuation";
+ actions[VS::SHADER_SPATIAL].renames["DIFFUSE_LIGHT"] = "diffuse_light";
+ actions[VS::SHADER_SPATIAL].renames["SPECULAR_LIGHT"] = "specular_light";
+
actions[VS::SHADER_SPATIAL].usage_defines["TANGENT"] = "#define ENABLE_TANGENT_INTERP\n";
actions[VS::SHADER_SPATIAL].usage_defines["BINORMAL"] = "@TANGENT";
actions[VS::SHADER_SPATIAL].usage_defines["RIM"] = "#define LIGHT_USE_RIM\n";
@@ -805,6 +814,7 @@ ShaderCompilerGLES3::ShaderCompilerGLES3() {
actions[VS::SHADER_SPATIAL].usage_defines["ANISOTROPY"] = "#define LIGHT_USE_ANISOTROPY\n";
actions[VS::SHADER_SPATIAL].usage_defines["ANISOTROPY_FLOW"] = "@ANISOTROPY";
actions[VS::SHADER_SPATIAL].usage_defines["AO"] = "#define ENABLE_AO\n";
+ actions[VS::SHADER_SPATIAL].usage_defines["AO_LIGHT_AFFECT"] = "#define ENABLE_AO\n";
actions[VS::SHADER_SPATIAL].usage_defines["UV"] = "#define ENABLE_UV_INTERP\n";
actions[VS::SHADER_SPATIAL].usage_defines["UV2"] = "#define ENABLE_UV2_INTERP\n";
actions[VS::SHADER_SPATIAL].usage_defines["NORMALMAP"] = "#define ENABLE_NORMALMAP\n";
@@ -828,6 +838,7 @@ ShaderCompilerGLES3::ShaderCompilerGLES3() {
actions[VS::SHADER_SPATIAL].render_mode_defines["diffuse_lambert_wrap"] = "#define DIFFUSE_LAMBERT_WRAP\n";
actions[VS::SHADER_SPATIAL].render_mode_defines["diffuse_toon"] = "#define DIFFUSE_TOON\n";
+ actions[VS::SHADER_SPATIAL].render_mode_defines["specular_schlick_ggx"] = "#define SPECULAR_SCHLICK_GGX\n";
actions[VS::SHADER_SPATIAL].render_mode_defines["specular_blinn"] = "#define SPECULAR_BLINN\n";
actions[VS::SHADER_SPATIAL].render_mode_defines["specular_phong"] = "#define SPECULAR_PHONG\n";
actions[VS::SHADER_SPATIAL].render_mode_defines["specular_toon"] = "#define SPECULAR_TOON\n";
diff --git a/drivers/gles3/shaders/canvas.glsl b/drivers/gles3/shaders/canvas.glsl
index bf8eaf601d..731d6968ce 100644
--- a/drivers/gles3/shaders/canvas.glsl
+++ b/drivers/gles3/shaders/canvas.glsl
@@ -105,13 +105,16 @@ VERTEX_SHADER_GLOBALS
void main() {
- vec4 vertex_color = color_attrib;
+ vec4 color = color_attrib;
#ifdef USE_INSTANCING
mat4 extra_matrix2 = extra_matrix * transpose(mat4(instance_xform0,instance_xform1,instance_xform2,vec4(0.0,0.0,0.0,1.0)));
- vertex_color*=instance_color;
+ color*=instance_color;
+ vec4 instance_custom = instance_custom_data;
+
#else
mat4 extra_matrix2 = extra_matrix;
+ vec4 instance_custom = vec4(0.0);
#endif
#ifdef USE_TEXTURE_RECT
@@ -135,7 +138,7 @@ void main() {
//compute h and v frames and adjust UV interp for animation
int total_frames = h_frames * v_frames;
- int frame = min(int(float(total_frames) *instance_custom_data.z),total_frames-1);
+ int frame = min(int(float(total_frames) *instance_custom.z),total_frames-1);
float frame_w = 1.0/float(h_frames);
float frame_h = 1.0/float(v_frames);
uv_interp.x = uv_interp.x * frame_w + frame_w * float(frame % h_frames);
@@ -146,7 +149,6 @@ void main() {
#define extra_matrix extra_matrix2
{
- vec2 src_vtx=outvec.xy;
VERTEX_SHADER_CODE
@@ -165,7 +167,7 @@ VERTEX_SHADER_CODE
#undef extra_matrix
- color_interp = vertex_color;
+ color_interp = color;
#ifdef USE_PIXEL_SNAP
diff --git a/drivers/gles3/shaders/copy.glsl b/drivers/gles3/shaders/copy.glsl
index d33193ee50..743fe122d1 100644
--- a/drivers/gles3/shaders/copy.glsl
+++ b/drivers/gles3/shaders/copy.glsl
@@ -27,6 +27,8 @@ void main() {
#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
cube_interp = cube_in;
+#elif defined(USE_ASYM_PANO)
+ uv_interp = vertex_attrib.xy;
#else
uv_interp = uv_in;
#ifdef V_FLIP
@@ -59,6 +61,11 @@ in vec3 cube_interp;
in vec2 uv_interp;
#endif
+#ifdef USE_ASYM_PANO
+uniform highp mat4 pano_transform;
+uniform highp vec4 asym_proj;
+#endif
+
#ifdef USE_CUBEMAP
uniform samplerCube source_cube; //texunit:0
#else
@@ -70,7 +77,7 @@ uniform sampler2D source; //texunit:0
uniform float multiplier;
#endif
-#ifdef USE_PANORAMA
+#if defined(USE_PANORAMA) || defined(USE_ASYM_PANO)
vec4 texturePanorama(vec3 normal,sampler2D pano ) {
@@ -122,6 +129,21 @@ void main() {
vec4 color = texturePanorama( normalize(cube_interp), source );
+#elif defined(USE_ASYM_PANO)
+
+ // When an assymetrical 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.
+ // 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.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(pano_transform) * cube_normal;
+ cube_normal.z = -cube_normal.z;
+
+ vec4 color = texturePanorama( normalize(cube_normal.xyz), source );
+
#elif defined(USE_CUBEMAP)
vec4 color = texture( source_cube, normalize(cube_interp) );
diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl
index 5f83033293..2c6dd5552e 100644
--- a/drivers/gles3/shaders/scene.glsl
+++ b/drivers/gles3/shaders/scene.glsl
@@ -1,5 +1,6 @@
[vertex]
+#define M_PI 3.14159265359
/*
from VisualServer:
@@ -61,6 +62,7 @@ layout(location=12) in highp vec4 instance_custom_data;
layout(std140) uniform SceneData { //ubo:0
highp mat4 projection_matrix;
+ highp mat4 inv_projection_matrix;
highp mat4 camera_inverse_matrix;
highp mat4 camera_matrix;
@@ -162,10 +164,10 @@ uniform int spot_light_count;
out vec4 diffuse_light_interp;
out vec4 specular_light_interp;
-void light_compute(vec3 N, vec3 L,vec3 V, vec3 light_color,float roughness,inout vec3 diffuse, inout vec3 specular) {
+void light_compute(vec3 N, vec3 L,vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
float dotNL = max(dot(N,L), 0.0 );
- diffuse += dotNL * light_color;
+ diffuse += dotNL * light_color / M_PI;
if (roughness > 0.0) {
@@ -588,7 +590,7 @@ vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec,float p_roughness) {
norm.xy=norm.xy * vec2(0.5,0.25) + vec2(0.5,0.25);
// we need to lie the derivatives (normg) and assume that DP side is always the same
- // to get proper texure filtering
+ // to get proper texture filtering
vec2 normg=norm.xy;
if (norm.z>0.0) {
norm.y=0.5-norm.y+0.5;
@@ -643,6 +645,7 @@ FRAGMENT_SHADER_GLOBALS
layout(std140) uniform SceneData {
highp mat4 projection_matrix;
+ highp mat4 inv_projection_matrix;
highp mat4 camera_inverse_matrix;
highp mat4 camera_matrix;
@@ -862,11 +865,57 @@ float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
#endif
-// GGX Specular
-// Source: http://www.filmicworlds.com/images/ggx-opt/optimized-ggx.hlsl
-float G1V(float dotNV, float k)
-{
- return 1.0 / (dotNV * (1.0 - k) + k);
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+// F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+// F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+ // Schlick's approximation
+ // C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+ // Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+ // It nevertheless approximates GGX well with k = alpha/2.
+ float k = 0.5*alpha;
+ return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+ // float cos2 = cos_theta_m*cos_theta_m;
+ // float sin2 = (1.0-cos2);
+ // return 1.0 /( cos_theta_m + sqrt(cos2 + alpha*alpha*sin2) );
+}
+
+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 G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+ float cos2 = cos_theta_m * cos_theta_m;
+ float sin2 = (1.0-cos2);
+ float s_x = alpha_x * cos_phi;
+ float s_y = alpha_y * sin_phi;
+ return 1.0 / (cos_theta_m + sqrt(cos2 + (s_x*s_x + s_y*s_y)*sin2 ));
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+ float cos2 = cos_theta_m * cos_theta_m;
+ float sin2 = (1.0-cos2);
+ float r_x = cos_phi/alpha_x;
+ float r_y = sin_phi/alpha_y;
+ float d = cos2 + sin2*(r_x * r_x + r_y * r_y);
+ return 1.0 / (M_PI * alpha_x * alpha_y * d * d );
}
@@ -885,52 +934,62 @@ float GTR1(float NdotH, float a)
return (a2-1.0) / (M_PI*log(a2)*t);
}
+vec3 metallic_to_specular_color(float metallic, float specular, vec3 albedo) {
+ float dielectric = (0.034 * 2.0) * specular;
+ // energy conservation
+ return mix(vec3(dielectric), albedo, metallic); // TODO: reference?
+}
-
-void light_compute(vec3 N, vec3 L,vec3 V,vec3 B, vec3 T,vec3 light_color,vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float rim,float rim_tint, float clearcoat, float clearcoat_gloss,float anisotropy,inout vec3 diffuse, inout vec3 specular) {
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light) {
#if defined(USE_LIGHT_SHADER_CODE)
//light is written by the light shader
+ vec3 normal = N;
+ vec3 albedo = diffuse_color;
+ vec3 light = L;
+ vec3 view = V;
LIGHT_SHADER_CODE
#else
-
- float dotNL = max(dot(N,L), 0.0 );
+ float NdotL = dot(N,L);
+ float cNdotL = max(NdotL, 0.0); // clamped NdotL
+ float NdotV = dot(N, V);
+ float cNdotV = max(NdotV, 0.0);
#if defined(DIFFUSE_OREN_NAYAR)
- vec3 light_amount;
+ vec3 diffuse_brdf_NL;
#else
- float light_amount;
+ float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
#endif
#if defined(DIFFUSE_LAMBERT_WRAP)
//energy conserving lambert wrap shader
- light_amount = max(0.0,(dot(N,L) + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+ diffuse_brdf_NL = max(0.0,(NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
#elif defined(DIFFUSE_OREN_NAYAR)
{
+ // see http://mimosa-pudica.net/improved-oren-nayar.html
float LdotV = dot(L, V);
- float NdotL = dot(L, N);
- float NdotV = dot(N, V);
+
float s = LdotV - NdotL * NdotV;
float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
- float sigma2 = roughness * roughness;
- vec3 A = 1.0 + sigma2 * (diffuse_color / (sigma2 + 0.13) + 0.5 / (sigma2 + 0.33));
+ float sigma2 = roughness * roughness; // TODO: this needs checking
+ vec3 A = 1.0 + sigma2 * (- 0.5 / (sigma2 + 0.33) + 0.17*diffuse_color / (sigma2 + 0.13) );
float B = 0.45 * sigma2 / (sigma2 + 0.09);
- light_amount = max(0.0, NdotL) * (A + vec3(B) * s / t) / M_PI;
+ diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
}
#elif defined(DIFFUSE_TOON)
- light_amount = smoothstep(-roughness,max(roughness,0.01),dot(N,L));
+ diffuse_brdf_NL = smoothstep(-roughness,max(roughness,0.01),NdotL);
#elif defined(DIFFUSE_BURLEY)
@@ -938,40 +997,38 @@ LIGHT_SHADER_CODE
vec3 H = normalize(V + L);
- float NoL = max(0.0,dot(N, L));
- float VoH = max(0.0,dot(L, H));
- float NoV = max(0.0,dot(N, V));
-
- float FD90 = 0.5 + 2.0 * VoH * VoH * roughness;
- float FdV = 1.0 + (FD90 - 1.0) * pow( 1.0 - NoV, 5.0 );
- float FdL = 1.0 + (FD90 - 1.0) * pow( 1.0 - NoL, 5.0 );
- light_amount = ( (1.0 / M_PI) * FdV * FdL );
+ float cLdotH = max(0.0,dot(L, H));
+
+ float FD90 = 0.5 + 2.0 * cLdotH * cLdotH * roughness;
+ float FdV = 1.0 + (FD90 - 1.0) * SchlickFresnel(cNdotV);
+ float FdL = 1.0 + (FD90 - 1.0) * SchlickFresnel(cNdotL);
+ diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
/*
float energyBias = mix(roughness, 0.0, 0.5);
float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
float f0 = 1.0;
- float lightScatter = f0 + (fd90 - f0) * pow(1.0 - NoL, 5.0);
- float viewScatter = f0 + (fd90 - f0) * pow(1.0 - NoV, 5.0);
+ float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+ float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
- light_amount = lightScatter * viewScatter * energyFactor;*/
+ diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;*/
}
#else
//lambert
- light_amount = dotNL;
+ diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
#endif
#if defined(TRANSMISSION_USED)
- diffuse += light_color * diffuse_color * mix(vec3(light_amount),vec3(1.0),transmission);
+ diffuse_light += light_color * diffuse_color * mix(vec3(diffuse_brdf_NL), vec3(M_PI), transmission) * attenuation;
#else
- diffuse += light_color * diffuse_color * light_amount;
+ diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
#endif
- float dotNV = max(dot(N,V), 0.0 );
+
#if defined(LIGHT_USE_RIM)
- float rim_light = pow(1.0-dotNV,(1.0-roughness)*16.0);
- diffuse += rim_light * rim * mix(vec3(1.0),diffuse_color,rim_tint) * light_color;
+ float rim_light = pow(1.0-cNdotV, (1.0-roughness)*16.0);
+ diffuse_light += rim_light * rim * mix(vec3(1.0),diffuse_color,rim_tint) * light_color;
#endif
@@ -983,37 +1040,36 @@ LIGHT_SHADER_CODE
#if defined(SPECULAR_BLINN)
vec3 H = normalize(V + L);
- float dotNH = max(dot(N,H), 0.0 );
- float intensity = pow( dotNH, (1.0-roughness) * 256.0);
- specular += light_color * intensity * specular_blob_intensity;
+ float cNdotH = max(dot(N,H), 0.0 );
+ float intensity = pow( cNdotH, (1.0-roughness) * 256.0);
+ specular_light += light_color * intensity * specular_blob_intensity * attenuation;
#elif defined(SPECULAR_PHONG)
vec3 R = normalize(-reflect(L,N));
- float dotNV = max(0.0,dot(R,V));
- float intensity = pow( dotNV, (1.0-roughness) * 256.0);
- specular += light_color * intensity * specular_blob_intensity;
+ float cRdotV = max(0.0,dot(R,V));
+ float intensity = pow( cRdotV, (1.0-roughness) * 256.0);
+ specular_light += light_color * intensity * specular_blob_intensity * attenuation;
#elif defined(SPECULAR_TOON)
vec3 R = normalize(-reflect(L,N));
- float dotNV = dot(R,V);
+ float RdotV = dot(R,V);
float mid = 1.0-roughness;
mid*=mid;
- float intensity = smoothstep(mid-roughness*0.5,mid+roughness*0.5,dotNV) * mid;
- diffuse += light_color * intensity * specular_blob_intensity; //write to diffuse, as in toon shading you generally want no reflection
+ float intensity = smoothstep(mid-roughness*0.5, mid+roughness*0.5, RdotV) * mid;
+ diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
#elif defined(SPECULAR_DISABLED)
//none..
-#else
+#elif defined(SPECULAR_SCHLICK_GGX)
// shlick+ggx as default
- float alpha = roughness * roughness;
vec3 H = normalize(V + L);
- float dotNH = max(dot(N,H), 0.0 );
- float dotLH = max(dot(L,H), 0.0 );
+ float cNdotH = max(dot(N,H), 0.0);
+ float cLdotH = max(dot(L,H), 0.0);
#if defined(LIGHT_USE_ANISOTROPY)
@@ -1022,38 +1078,42 @@ LIGHT_SHADER_CODE
float ry = roughness*aspect;
float ax = rx*rx;
float ay = ry*ry;
- float dotXH = dot( T, H );
- float dotYH = dot( B, H );
- float pi = M_PI;
- float denom = dotXH*dotXH / (ax*ax) + dotYH*dotYH / (ay*ay) + dotNH*dotNH;
- float D = 1.0 / ( pi * ax*ay * denom*denom );
+ float XdotH = dot( T, H );
+ float YdotH = dot( B, H );
+ float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+ float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
#else
- float alphaSqr = alpha * alpha;
- float pi = M_PI;
- float denom = dotNH * dotNH * (alphaSqr - 1.0) + 1.0;
- float D = alphaSqr / (pi * denom * denom);
+ float alpha = roughness * roughness;
+ float D = D_GGX(cNdotH, alpha);
+ float G = G_GGX_2cos(cNdotL, alpha) * G_GGX_2cos(cNdotV, alpha);
#endif
// F
- float F0 = 1.0;
- float dotLH5 = SchlickFresnel( dotLH );
- float F = F0 + (1.0 - F0) * (dotLH5);
-
- // V
- float k = alpha / 2.0f;
- float vis = G1V(dotNL, k) * G1V(dotNV, k);
+ float F0 = 1.0; // FIXME
+ float cLdotH5 = SchlickFresnel(cLdotH);
+ float F = mix(cLdotH5, 1.0, F0);
- float speci = dotNL * D * F * vis;
+ float specular_brdf_NL = cNdotL * D * F * G;
- specular += speci * light_color * specular_blob_intensity;
+ specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
#endif
#if defined(LIGHT_USE_CLEARCOAT)
- float Dr = GTR1(dotNH, mix(.1,.001,clearcoat_gloss));
- float Fr = mix(.04, 1.0, dotLH5);
- float Gr = G1V(dotNL, .25) * G1V(dotNV, .25);
- specular += .25*clearcoat*Gr*Fr*Dr;
+# if !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN)
+ vec3 H = normalize(V + L);
+# endif
+# if !defined(SPECULAR_SCHLICK_GGX)
+ float cNdotH = max(dot(N,H), 0.0);
+ float cLdotH = max(dot(L,H), 0.0);
+ float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+ float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+ float Fr = mix(.04, 1.0, cLdotH5);
+ float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+
+ specular_light += .25*clearcoat*Gr*Fr*Dr;
#endif
}
@@ -1081,9 +1141,7 @@ float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 p
avg+=textureProj(shadow,vec4(pos+vec2(0.0,-shadow_pixel_size.y*2.0),depth,1.0));
return avg*(1.0/13.0);
-#endif
-
-#ifdef SHADOW_MODE_PCF_5
+#elif defined(SHADOW_MODE_PCF_5)
float avg=textureProj(shadow,vec4(pos,depth,1.0));
avg+=textureProj(shadow,vec4(pos+vec2(shadow_pixel_size.x,0.0),depth,1.0));
@@ -1091,11 +1149,11 @@ float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 p
avg+=textureProj(shadow,vec4(pos+vec2(0.0,shadow_pixel_size.y),depth,1.0));
avg+=textureProj(shadow,vec4(pos+vec2(0.0,-shadow_pixel_size.y),depth,1.0));
return avg*(1.0/5.0);
-#endif
-#if !defined(SHADOW_MODE_PCF_5) && !defined(SHADOW_MODE_PCF_13)
+#else
return textureProj(shadow,vec4(pos,depth,1.0));
+
#endif
}
@@ -1137,7 +1195,7 @@ vec3 light_transmittance(float translucency,vec3 light_vec, vec3 normal, vec3 po
}
#endif
-void light_process_omni(int idx, vec3 vertex, vec3 eye_vec,vec3 normal,vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float rim, float rim_tint, float clearcoat, float clearcoat_gloss,float anisotropy,float p_blob_intensity,inout vec3 diffuse_light, inout vec3 specular_light) {
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec,vec3 normal,vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light) {
vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz-vertex;
float light_length = length( light_rel_vec );
@@ -1191,7 +1249,7 @@ void light_process_omni(int idx, vec3 vertex, vec3 eye_vec,vec3 normal,vec3 bino
light_attenuation*=mix(omni_lights[idx].shadow_color_contact.rgb,vec3(1.0),shadow);
}
- light_compute(normal,normalize(light_rel_vec),eye_vec,binormal,tangent,omni_lights[idx].light_color_energy.rgb*light_attenuation,albedo,transmission,omni_lights[idx].light_params.z*p_blob_intensity,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light);
+ light_compute(normal,normalize(light_rel_vec),eye_vec,binormal,tangent,omni_lights[idx].light_color_energy.rgb,light_attenuation,albedo,transmission,omni_lights[idx].light_params.z*p_blob_intensity,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light);
}
@@ -1225,7 +1283,7 @@ void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 bi
light_attenuation*=mix(spot_lights[idx].shadow_color_contact.rgb,vec3(1.0),shadow);
}
- light_compute(normal,normalize(light_rel_vec),eye_vec,binormal,tangent,spot_lights[idx].light_color_energy.rgb*light_attenuation,albedo,transmission,spot_lights[idx].light_params.z*p_blob_intensity,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light);
+ light_compute(normal,normalize(light_rel_vec),eye_vec,binormal,tangent,spot_lights[idx].light_color_energy.rgb,light_attenuation,albedo,transmission,spot_lights[idx].light_params.z*p_blob_intensity,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light);
}
@@ -1534,6 +1592,7 @@ void main() {
#if defined(ENABLE_AO)
float ao=1.0;
+ float ao_light_affect=0.0;
#endif
float alpha = 1.0;
@@ -1857,7 +1916,7 @@ FRAGMENT_SHADER_CODE
specular_light*=mix(vec3(1.0),light_attenuation,specular_light_interp.a);
#else
- light_compute(normal,-light_direction_attenuation.xyz,eye_vec,binormal,tangent,light_color_energy.rgb*light_attenuation,albedo,transmission,light_params.z*specular_blob_intensity,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light);
+ light_compute(normal,-light_direction_attenuation.xyz,eye_vec,binormal,tangent,light_color_energy.rgb,light_attenuation,albedo,transmission,light_params.z*specular_blob_intensity,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light);
#endif
@@ -1918,12 +1977,16 @@ FRAGMENT_SHADER_CODE
#if defined(ENABLE_AO)
ambient_light*=ao;
+ ao_light_affect = mix(1.0,ao,ao_light_affect);
+ specular_light*=ao_light_affect;
+ diffuse_light*=ao_light_affect;
#endif
- //energu conservation
- diffuse_light=mix(diffuse_light,vec3(0.0),metallic);
- ambient_light=mix(ambient_light,vec3(0.0),metallic);
+
+ //energy conservation
+ diffuse_light *= 1.0-metallic; // TODO: avoid diffuse and ambient light calculations when metallic == 1
+ ambient_light *= 1.0-metallic;
{
@@ -1932,18 +1995,17 @@ FRAGMENT_SHADER_CODE
//simplify for toon, as
specular_light *= specular * metallic * albedo * 2.0;
#else
- //brdf approximation (Lazarov 2013)
- float ndotv = clamp(dot(normal,eye_vec),0.0,1.0);
- vec3 dielectric = vec3(0.034) * specular * 2.0;
- //energy conservation
- vec3 f0 = mix(dielectric, albedo, metallic);
+ // Environment brdf approximation (Lazarov 2013)
+ // see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
const vec4 c1 = vec4( 1.0, 0.0425, 1.04, -0.04);
vec4 r = roughness * c0 + c1;
+ float ndotv = clamp(dot(normal,eye_vec),0.0,1.0);
float a004 = min( r.x * r.x, exp2( -9.28 * ndotv ) ) * r.x + r.y;
- vec2 brdf = vec2( -1.04, 1.04 ) * a004 + r.zw;
+ vec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;
- specular_light *= min(1.0,50.0 * f0.g) * brdf.y + brdf.x * f0;
+ vec3 specular_color = metallic_to_specular_color(metallic, specular, albedo);
+ specular_light *= AB.x * specular_color + AB.y;
#endif
}
@@ -2042,5 +2104,3 @@ FRAGMENT_SHADER_CODE
}
-
-
diff --git a/drivers/gles3/shaders/subsurf_scattering.glsl b/drivers/gles3/shaders/subsurf_scattering.glsl
index 20c3b7473f..fc66d66198 100644
--- a/drivers/gles3/shaders/subsurf_scattering.glsl
+++ b/drivers/gles3/shaders/subsurf_scattering.glsl
@@ -82,18 +82,18 @@ QUALIFIER vec2 kernel[17] = vec2[](
const int kernel_size=11;
-QUALIFIER vec4 kernel[11] = vec4[](
- vec4(0.560479, 0.0),
- vec4(0.00471691, -2.0),
- vec4(0.0192831, -1.28),
- vec4(0.03639, -0.72),
- vec4(0.0821904, -0.32),
- vec4(0.0771802, -0.08),
- vec4(0.0771802, 0.08),
- vec4(0.0821904, 0.32),
- vec4(0.03639, 0.72),
- vec4(0.0192831, 1.28),
- vec4(0.00471691,2.0)
+QUALIFIER vec2 kernel[11] = vec2[](
+ vec2(0.560479, 0.0),
+ vec2(0.00471691, -2.0),
+ vec2(0.0192831, -1.28),
+ vec2(0.03639, -0.72),
+ vec2(0.0821904, -0.32),
+ vec2(0.0771802, -0.08),
+ vec2(0.0771802, 0.08),
+ vec2(0.0821904, 0.32),
+ vec2(0.03639, 0.72),
+ vec2(0.0192831, 1.28),
+ vec2(0.00471691,2.0)
);
#endif //USE_11_SAMPLES
@@ -190,4 +190,3 @@ void main() {
frag_color = base_color;
}
}
-
diff --git a/drivers/gles3/shaders/tonemap.glsl b/drivers/gles3/shaders/tonemap.glsl
index 73dec4f90c..2f671158b2 100644
--- a/drivers/gles3/shaders/tonemap.glsl
+++ b/drivers/gles3/shaders/tonemap.glsl
@@ -175,12 +175,9 @@ vec3 tonemap_reindhart(vec3 color,float white) {
return ( color * ( 1.0 + ( color / ( white) ) ) ) / ( 1.0 + color );
}
-
void main() {
- ivec2 coord = ivec2(gl_FragCoord.xy);
- vec3 color = texelFetch(source,coord,0).rgb;
-
+ vec4 color = textureLod(source, uv_interp, 0.0);
#ifdef USE_AUTO_EXPOSURE
@@ -324,5 +321,3 @@ void main() {
frag_color=vec4(color.rgb,1.0);
}
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-21 15:34:38 +0000