diff options
Diffstat (limited to 'drivers/gles2')
| -rw-r--r-- | drivers/gles2/rasterizer_canvas_gles2.cpp | 26 | ||||
| -rw-r--r-- | drivers/gles2/rasterizer_gles2.cpp | 4 | ||||
| -rw-r--r-- | drivers/gles2/rasterizer_scene_gles2.cpp | 134 | ||||
| -rw-r--r-- | drivers/gles2/rasterizer_scene_gles2.h | 26 | ||||
| -rw-r--r-- | drivers/gles2/rasterizer_storage_gles2.cpp | 323 | ||||
| -rw-r--r-- | drivers/gles2/rasterizer_storage_gles2.h | 20 | ||||
| -rw-r--r-- | drivers/gles2/shader_compiler_gles2.cpp | 10 | ||||
| -rw-r--r-- | drivers/gles2/shaders/canvas.glsl | 2 | ||||
| -rw-r--r-- | drivers/gles2/shaders/effect_blur.glsl | 5 | ||||
| -rw-r--r-- | drivers/gles2/shaders/scene.glsl | 102 |
10 files changed, 535 insertions, 117 deletions
diff --git a/drivers/gles2/rasterizer_canvas_gles2.cpp b/drivers/gles2/rasterizer_canvas_gles2.cpp index 7232d2d95a..ee722e9d6c 100644 --- a/drivers/gles2/rasterizer_canvas_gles2.cpp +++ b/drivers/gles2/rasterizer_canvas_gles2.cpp @@ -113,9 +113,22 @@ void RasterizerCanvasGLES2::canvas_begin() { state.canvas_shader.bind(); state.using_transparent_rt = false; + int viewport_x, viewport_y, viewport_width, viewport_height; + if (storage->frame.current_rt) { glBindFramebuffer(GL_FRAMEBUFFER, storage->frame.current_rt->fbo); state.using_transparent_rt = storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]; + + if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_DIRECT_TO_SCREEN]) { + // set Viewport and Scissor when rendering directly to screen + viewport_width = storage->frame.current_rt->width; + viewport_height = storage->frame.current_rt->height; + viewport_x = storage->frame.current_rt->x; + viewport_y = OS::get_singleton()->get_window_size().height - viewport_height - storage->frame.current_rt->y; + glScissor(viewport_x, viewport_y, viewport_width, viewport_height); + glViewport(viewport_x, viewport_y, viewport_width, viewport_height); + glEnable(GL_SCISSOR_TEST); + } } if (storage->frame.clear_request) { @@ -179,6 +192,14 @@ void RasterizerCanvasGLES2::canvas_end() { glDisableVertexAttribArray(i); } + if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_DIRECT_TO_SCREEN]) { + //reset viewport to full window size + int viewport_width = OS::get_singleton()->get_window_size().width; + int viewport_height = OS::get_singleton()->get_window_size().height; + glViewport(0, 0, viewport_width, viewport_height); + glScissor(0, 0, viewport_width, viewport_height); + } + state.using_texture_rect = false; state.using_skeleton = false; state.using_ninepatch = false; @@ -1192,6 +1213,11 @@ void RasterizerCanvasGLES2::_canvas_item_render_commands(Item *p_item, Item *cur void RasterizerCanvasGLES2::_copy_screen(const Rect2 &p_rect) { + if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_DIRECT_TO_SCREEN]) { + ERR_PRINT_ONCE("Cannot use screen texture copying in render target set to render direct to screen"); + return; + } + if (storage->frame.current_rt->copy_screen_effect.color == 0) { ERR_EXPLAIN("Can't use screen texture copying in a render target configured without copy buffers"); ERR_FAIL(); diff --git a/drivers/gles2/rasterizer_gles2.cpp b/drivers/gles2/rasterizer_gles2.cpp index d3c6b041a8..f49f52e47b 100644 --- a/drivers/gles2/rasterizer_gles2.cpp +++ b/drivers/gles2/rasterizer_gles2.cpp @@ -202,6 +202,10 @@ Error RasterizerGLES2::is_viable() { return ERR_UNAVAILABLE; } } + + if (GLAD_GL_EXT_framebuffer_multisample) { + glRenderbufferStorageMultisample = glRenderbufferStorageMultisampleEXT; + } #endif // GLES_OVER_GL #endif // GLAD_ENABLED diff --git a/drivers/gles2/rasterizer_scene_gles2.cpp b/drivers/gles2/rasterizer_scene_gles2.cpp index e790d5b031..268b0f1c90 100644 --- a/drivers/gles2/rasterizer_scene_gles2.cpp +++ b/drivers/gles2/rasterizer_scene_gles2.cpp @@ -42,6 +42,16 @@ #define glClearDepth glClearDepthf #endif +#ifndef GLES_OVER_GL +#ifdef IPHONE_ENABLED +#include <OpenGLES/ES2/glext.h> +//void *glResolveMultisampleFramebufferAPPLE; + +#define GL_READ_FRAMEBUFFER 0x8CA8 +#define GL_DRAW_FRAMEBUFFER 0x8CA9 +#endif +#endif + static const GLenum _cube_side_enum[6] = { GL_TEXTURE_CUBE_MAP_NEGATIVE_X, @@ -480,7 +490,6 @@ RID RasterizerSceneGLES2::reflection_probe_instance_create(RID p_probe) { rpi->current_resolution = 0; rpi->dirty = true; - rpi->last_pass = 0; rpi->index = 0; for (int i = 0; i < 6; i++) { @@ -571,7 +580,7 @@ bool RasterizerSceneGLES2::reflection_probe_instance_begin_render(RID p_instance //the approach below is fatal for powervr - // Set the initial (empty) mipmaps, all need to be set for this to work in GLES2, even if later wont be used. + // Set the initial (empty) mipmaps, all need to be set for this to work in GLES2, even if they won't be used later. while (size >= 1) { for (int i = 0; i < 6; i++) { @@ -1002,7 +1011,7 @@ void RasterizerSceneGLES2::_add_geometry_with_material(RasterizerStorageGLES2::G has_alpha = false; } - RenderList::Element *e = has_alpha ? render_list.add_alpha_element() : render_list.add_element(); + RenderList::Element *e = (has_alpha || p_material->shader->spatial.no_depth_test) ? render_list.add_alpha_element() : render_list.add_element(); if (!e) { return; @@ -1149,6 +1158,30 @@ void RasterizerSceneGLES2::_add_geometry_with_material(RasterizerStorageGLES2::G } } +void RasterizerSceneGLES2::_copy_texture_to_front_buffer(GLuint p_texture) { + + //copy to front buffer + glBindFramebuffer(GL_FRAMEBUFFER, storage->frame.current_rt->fbo); + + glDepthMask(GL_FALSE); + glDisable(GL_DEPTH_TEST); + glDisable(GL_CULL_FACE); + glDisable(GL_BLEND); + glDepthFunc(GL_LEQUAL); + glColorMask(1, 1, 1, 1); + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D, p_texture); + + glViewport(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height); + + storage->shaders.copy.bind(); + + storage->bind_quad_array(); + glDrawArrays(GL_TRIANGLE_FAN, 0, 4); + glBindBuffer(GL_ARRAY_BUFFER, 0); +} + void RasterizerSceneGLES2::_fill_render_list(InstanceBase **p_cull_result, int p_cull_count, bool p_depth_pass, bool p_shadow_pass) { render_pass++; @@ -2436,6 +2469,7 @@ void RasterizerSceneGLES2::_render_render_list(RenderList::Element **p_elements, if (p_env) { state.scene_shader.set_uniform(SceneShaderGLES2::BG_ENERGY, p_env->bg_energy); + state.scene_shader.set_uniform(SceneShaderGLES2::BG_COLOR, p_env->bg_color); state.scene_shader.set_uniform(SceneShaderGLES2::AMBIENT_SKY_CONTRIBUTION, p_env->ambient_sky_contribution); state.scene_shader.set_uniform(SceneShaderGLES2::AMBIENT_COLOR, p_env->ambient_color); @@ -2443,6 +2477,7 @@ void RasterizerSceneGLES2::_render_render_list(RenderList::Element **p_elements, } else { state.scene_shader.set_uniform(SceneShaderGLES2::BG_ENERGY, 1.0); + state.scene_shader.set_uniform(SceneShaderGLES2::BG_COLOR, state.default_bg); state.scene_shader.set_uniform(SceneShaderGLES2::AMBIENT_SKY_CONTRIBUTION, 1.0); state.scene_shader.set_uniform(SceneShaderGLES2::AMBIENT_COLOR, state.default_ambient); state.scene_shader.set_uniform(SceneShaderGLES2::AMBIENT_ENERGY, 1.0); @@ -2545,7 +2580,6 @@ void RasterizerSceneGLES2::_render_render_list(RenderList::Element **p_elements, state.scene_shader.set_conditional(SceneShaderGLES2::USE_LIGHTMAP_CAPTURE, false); state.scene_shader.set_conditional(SceneShaderGLES2::FOG_DEPTH_ENABLED, false); state.scene_shader.set_conditional(SceneShaderGLES2::FOG_HEIGHT_ENABLED, false); - state.scene_shader.set_conditional(SceneShaderGLES2::USE_RADIANCE_MAP, false); state.scene_shader.set_conditional(SceneShaderGLES2::USE_DEPTH_PREPASS, false); } @@ -2661,6 +2695,7 @@ void RasterizerSceneGLES2::render_scene(const Transform &p_cam_transform, const Environment *env = NULL; int viewport_width, viewport_height; + int viewport_x, viewport_y; bool probe_interior = false; bool reverse_cull = false; @@ -2690,12 +2725,23 @@ void RasterizerSceneGLES2::render_scene(const Transform &p_cam_transform, const if (storage->frame.current_rt->external.fbo != 0) { current_fb = storage->frame.current_rt->external.fbo; } else { - current_fb = storage->frame.current_rt->fbo; + if (storage->frame.current_rt->multisample_active) { + current_fb = storage->frame.current_rt->multisample_fbo; + } else { + current_fb = storage->frame.current_rt->fbo; + } } env = environment_owner.getornull(p_environment); viewport_width = storage->frame.current_rt->width; viewport_height = storage->frame.current_rt->height; + viewport_x = storage->frame.current_rt->x; + + if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_DIRECT_TO_SCREEN]) { + viewport_y = OS::get_singleton()->get_window_size().height - viewport_height - storage->frame.current_rt->y; + } else { + viewport_y = storage->frame.current_rt->y; + } } state.used_screen_texture = false; @@ -2761,7 +2807,13 @@ void RasterizerSceneGLES2::render_scene(const Transform &p_cam_transform, const // other stuff glBindFramebuffer(GL_FRAMEBUFFER, current_fb); - glViewport(0, 0, viewport_width, viewport_height); + glViewport(viewport_x, viewport_y, viewport_width, viewport_height); + + if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_DIRECT_TO_SCREEN]) { + + glScissor(viewport_x, viewport_y, viewport_width, viewport_height); + glEnable(GL_SCISSOR_TEST); + } glDepthFunc(GL_LEQUAL); glDepthMask(GL_TRUE); @@ -2792,9 +2844,14 @@ void RasterizerSceneGLES2::render_scene(const Transform &p_cam_transform, const } state.default_ambient = Color(clear_color.r, clear_color.g, clear_color.b, 1.0); + state.default_bg = Color(clear_color.r, clear_color.g, clear_color.b, 1.0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_DIRECT_TO_SCREEN]) { + glDisable(GL_SCISSOR_TEST); + } + glVertexAttrib4f(VS::ARRAY_COLOR, 1, 1, 1, 1); glBlendEquation(GL_FUNC_ADD); @@ -2821,37 +2878,86 @@ void RasterizerSceneGLES2::render_scene(const Transform &p_cam_transform, const } } - if (env && env->bg_mode == VS::ENV_BG_SKY && (!storage->frame.current_rt || !storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT])) { - - if (sky && sky->panorama.is_valid()) { - _draw_sky(sky, p_cam_projection, cam_transform, false, env->sky_custom_fov, env->bg_energy, env->sky_orientation); - } - } - if (probe_interior) { env_radiance_tex = 0; //do not use radiance texture on interiors state.default_ambient = Color(0, 0, 0, 1); //black as default ambient for interior + state.default_bg = Color(0, 0, 0, 1); //black as default background for interior } // render opaque things first render_list.sort_by_key(false); _render_render_list(render_list.elements, render_list.element_count, cam_transform, p_cam_projection, p_shadow_atlas, env, env_radiance_tex, 0.0, 0.0, reverse_cull, false, false); + // then draw the sky after + if (env && env->bg_mode == VS::ENV_BG_SKY && (!storage->frame.current_rt || !storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT])) { + + if (sky && sky->panorama.is_valid()) { + _draw_sky(sky, p_cam_projection, cam_transform, false, env->sky_custom_fov, env->bg_energy, env->sky_orientation); + } + } + if (storage->frame.current_rt && state.used_screen_texture) { //copy screen texture + + if (storage->frame.current_rt && storage->frame.current_rt->multisample_active) { + // Resolve framebuffer to front buffer before copying +#ifdef GLES_OVER_GL + + glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->multisample_fbo); + glReadBuffer(GL_COLOR_ATTACHMENT0); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, storage->frame.current_rt->fbo); + glBlitFramebuffer(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, 0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST); + + glBindFramebuffer(GL_READ_FRAMEBUFFER, 0); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); +#elif IPHONE_ENABLED + glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->multisample_fbo); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, storage->frame.current_rt->fbo); + glResolveMultisampleFramebufferAPPLE(); + + glBindFramebuffer(GL_READ_FRAMEBUFFER, 0); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); +#else + // In GLES2 Blit is not available, so just copy color texture manually + _copy_texture_to_front_buffer(storage->frame.current_rt->multisample_color); +#endif + } + storage->canvas->_copy_screen(Rect2()); + + if (storage->frame.current_rt && storage->frame.current_rt->multisample_active) { + // Rebind the current framebuffer + glBindFramebuffer(GL_FRAMEBUFFER, current_fb); + glViewport(0, 0, viewport_width, viewport_height); + } } // alpha pass glBlendEquation(GL_FUNC_ADD); glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); - render_list.sort_by_depth(true); + render_list.sort_by_reverse_depth_and_priority(true); _render_render_list(&render_list.elements[render_list.max_elements - render_list.alpha_element_count], render_list.alpha_element_count, cam_transform, p_cam_projection, p_shadow_atlas, env, env_radiance_tex, 0.0, 0.0, reverse_cull, true, false); glDisable(GL_DEPTH_TEST); + if (storage->frame.current_rt && storage->frame.current_rt->multisample_active) { +#ifdef GLES_OVER_GL + + glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->multisample_fbo); + glReadBuffer(GL_COLOR_ATTACHMENT0); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, storage->frame.current_rt->fbo); + glBlitFramebuffer(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, 0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST); + + glBindFramebuffer(GL_READ_FRAMEBUFFER, 0); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); +#else + // In GLES2 Blit is not available, so just copy color texture manually + _copy_texture_to_front_buffer(storage->frame.current_rt->multisample_color); +#endif + } + //#define GLES2_SHADOW_ATLAS_DEBUG_VIEW #ifdef GLES2_SHADOW_ATLAS_DEBUG_VIEW diff --git a/drivers/gles2/rasterizer_scene_gles2.h b/drivers/gles2/rasterizer_scene_gles2.h index f23e45b52f..bd1a61688c 100644 --- a/drivers/gles2/rasterizer_scene_gles2.h +++ b/drivers/gles2/rasterizer_scene_gles2.h @@ -104,6 +104,7 @@ public: GLuint immediate_buffer; Color default_ambient; + Color default_bg; // ResolveShaderGLES3 resolve_shader; // ScreenSpaceReflectionShaderGLES3 ssr_shader; @@ -502,7 +503,8 @@ public: enum { MAX_LIGHTS = 255, MAX_REFLECTION_PROBES = 255, - DEFAULT_MAX_ELEMENTS = 65536 + DEFAULT_MAX_ELEMENTS = 65536, + SORT_KEY_PRIORITY_SHIFT = 56 }; int max_elements; @@ -598,6 +600,27 @@ public: } } + struct SortByReverseDepthAndPriority { + + _FORCE_INLINE_ bool operator()(const Element *A, const Element *B) const { + if (A->priority == B->priority) { + return A->instance->depth > B->instance->depth; + } else { + return A->priority < B->priority; + } + } + }; + + void sort_by_reverse_depth_and_priority(bool p_alpha) { //used for alpha + + SortArray<Element *, SortByReverseDepthAndPriority> sorter; + if (p_alpha) { + sorter.sort(&elements[max_elements - alpha_element_count], alpha_element_count); + } else { + sorter.sort(elements, element_count); + } + } + // element adding and stuff _FORCE_INLINE_ Element *add_element() { @@ -646,6 +669,7 @@ public: void _add_geometry(RasterizerStorageGLES2::Geometry *p_geometry, InstanceBase *p_instance, RasterizerStorageGLES2::GeometryOwner *p_owner, int p_material, bool p_depth_pass, bool p_shadow_pass); void _add_geometry_with_material(RasterizerStorageGLES2::Geometry *p_geometry, InstanceBase *p_instance, RasterizerStorageGLES2::GeometryOwner *p_owner, RasterizerStorageGLES2::Material *p_material, bool p_depth_pass, bool p_shadow_pass); + void _copy_texture_to_front_buffer(GLuint texture); void _fill_render_list(InstanceBase **p_cull_result, int p_cull_count, bool p_depth_pass, bool p_shadow_pass); void _render_render_list(RenderList::Element **p_elements, int p_element_count, const Transform &p_view_transform, diff --git a/drivers/gles2/rasterizer_storage_gles2.cpp b/drivers/gles2/rasterizer_storage_gles2.cpp index 1e32d8166f..c610f31bc1 100644 --- a/drivers/gles2/rasterizer_storage_gles2.cpp +++ b/drivers/gles2/rasterizer_storage_gles2.cpp @@ -81,6 +81,28 @@ GLuint RasterizerStorageGLES2::system_fbo = 0; #define _DEPTH_COMPONENT24_OES 0x81A6 +#ifndef GLES_OVER_GL +// enable extensions manually for android and ios +#include <dlfcn.h> // needed to load extensions + +#ifdef IPHONE_ENABLED + +#include <OpenGLES/ES2/glext.h> +//void *glRenderbufferStorageMultisampleAPPLE; +//void *glResolveMultisampleFramebufferAPPLE; +#define glRenderbufferStorageMultisample glRenderbufferStorageMultisampleAPPLE +#else + +#include <GLES2/gl2ext.h> +PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC glRenderbufferStorageMultisampleEXT; +PFNGLFRAMEBUFFERTEXTURE2DMULTISAMPLEEXTPROC glFramebufferTexture2DMultisampleEXT; +#define glRenderbufferStorageMultisample glRenderbufferStorageMultisampleEXT +#define glFramebufferTexture2DMultisample glFramebufferTexture2DMultisampleEXT +#endif + +#define GL_MAX_SAMPLES 0x8D57 +#endif //!GLES_OVER_GL + void RasterizerStorageGLES2::bind_quad_array() const { glBindBuffer(GL_ARRAY_BUFFER, resources.quadie); glVertexAttribPointer(VS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 4, 0); @@ -774,10 +796,7 @@ Ref<Image> RasterizerStorageGLES2::texture_get_data(RID p_texture, int p_layer) for (int i = 0; i < texture->mipmaps; i++) { - int ofs = 0; - if (i > 0) { - ofs = Image::get_image_data_size(texture->alloc_width, texture->alloc_height, real_format, i - 1); - } + int ofs = Image::get_image_mipmap_offset(texture->alloc_width, texture->alloc_height, real_format, i); if (texture->compressed) { glPixelStorei(GL_PACK_ALIGNMENT, 4); @@ -3712,6 +3731,7 @@ RID RasterizerStorageGLES2::light_create(VS::LightType p_type) { light->directional_blend_splits = false; light->directional_range_mode = VS::LIGHT_DIRECTIONAL_SHADOW_DEPTH_RANGE_STABLE; light->reverse_cull = false; + light->use_gi = true; light->version = 0; return light_owner.make_rid(light); @@ -3799,6 +3819,16 @@ void RasterizerStorageGLES2::light_set_reverse_cull_face_mode(RID p_light, bool light->instance_change_notify(true, false); } +void RasterizerStorageGLES2::light_set_use_gi(RID p_light, bool p_enabled) { + Light *light = light_owner.getornull(p_light); + ERR_FAIL_COND(!light); + + light->use_gi = p_enabled; + + light->version++; + light->instance_change_notify(true, false); +} + void RasterizerStorageGLES2::light_omni_set_shadow_mode(RID p_light, VS::LightOmniShadowMode p_mode) { Light *light = light_owner.getornull(p_light); ERR_FAIL_COND(!light); @@ -3894,6 +3924,13 @@ Color RasterizerStorageGLES2::light_get_color(RID p_light) { return light->color; } +bool RasterizerStorageGLES2::light_get_use_gi(RID p_light) { + Light *light = light_owner.getornull(p_light); + ERR_FAIL_COND_V(!light, false); + + return light->use_gi; +} + bool RasterizerStorageGLES2::light_has_shadow(RID p_light) const { Light *light = light_owner.getornull(p_light); ERR_FAIL_COND_V(!light, false); @@ -4531,98 +4568,184 @@ void RasterizerStorageGLES2::instance_remove_dependency(RID p_base, RasterizerSc void RasterizerStorageGLES2::_render_target_allocate(RenderTarget *rt) { + // do not allocate a render target with no size if (rt->width <= 0 || rt->height <= 0) return; - Texture *texture = texture_owner.getornull(rt->texture); - ERR_FAIL_COND(!texture); - - // create fbo - - glGenFramebuffers(1, &rt->fbo); - glBindFramebuffer(GL_FRAMEBUFFER, rt->fbo); - - // color + // do not allocate a render target that is attached to the screen + if (rt->flags[RENDER_TARGET_DIRECT_TO_SCREEN]) { + rt->fbo = RasterizerStorageGLES2::system_fbo; + return; + } - glGenTextures(1, &rt->color); - glBindTexture(GL_TEXTURE_2D, rt->color); + GLuint color_internal_format; + GLuint color_format; + GLuint color_type = GL_UNSIGNED_BYTE; if (rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, rt->width, rt->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); + color_internal_format = GL_RGBA; + color_format = GL_RGBA; } else { - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, rt->width, rt->height, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL); + color_internal_format = GL_RGB; + color_format = GL_RGB; } - if (texture->flags & VS::TEXTURE_FLAG_FILTER) { + { - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - } else { + /* Front FBO */ - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - } - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + Texture *texture = texture_owner.getornull(rt->texture); + ERR_FAIL_COND(!texture); - glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->color, 0); + // framebuffer + glGenFramebuffers(1, &rt->fbo); + glBindFramebuffer(GL_FRAMEBUFFER, rt->fbo); - // depth + // color + glGenTextures(1, &rt->color); + glBindTexture(GL_TEXTURE_2D, rt->color); - if (config.support_depth_texture) { - glGenTextures(1, &rt->depth); - glBindTexture(GL_TEXTURE_2D, rt->depth); - glTexImage2D(GL_TEXTURE_2D, 0, config.depth_internalformat, rt->width, rt->height, 0, GL_DEPTH_COMPONENT, config.depth_type, NULL); + glTexImage2D(GL_TEXTURE_2D, 0, color_internal_format, rt->width, rt->height, 0, color_format, color_type, NULL); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + if (texture->flags & VS::TEXTURE_FLAG_FILTER) { - glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, rt->depth, 0); - } else { - glGenRenderbuffers(1, &rt->depth); - glBindRenderbuffer(GL_RENDERBUFFER, rt->depth); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + } else { - glRenderbufferStorage(GL_RENDERBUFFER, config.depth_internalformat, rt->width, rt->height); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + } - glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->depth); - } + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->color, 0); - if (status != GL_FRAMEBUFFER_COMPLETE) { + // depth - glDeleteFramebuffers(1, &rt->fbo); if (config.support_depth_texture) { - glDeleteTextures(1, &rt->depth); + + glGenTextures(1, &rt->depth); + glBindTexture(GL_TEXTURE_2D, rt->depth); + glTexImage2D(GL_TEXTURE_2D, 0, config.depth_internalformat, rt->width, rt->height, 0, GL_DEPTH_COMPONENT, config.depth_type, NULL); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, rt->depth, 0); } else { - glDeleteRenderbuffers(1, &rt->depth); + + glGenRenderbuffers(1, &rt->depth); + glBindRenderbuffer(GL_RENDERBUFFER, rt->depth); + + glRenderbufferStorage(GL_RENDERBUFFER, config.depth_internalformat, rt->width, rt->height); + + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->depth); } - glDeleteTextures(1, &rt->color); - rt->fbo = 0; - rt->width = 0; - rt->height = 0; - rt->color = 0; - rt->depth = 0; - texture->tex_id = 0; - texture->active = false; - WARN_PRINT("Could not create framebuffer!!"); - return; + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + + if (status != GL_FRAMEBUFFER_COMPLETE) { + + glDeleteFramebuffers(1, &rt->fbo); + if (config.support_depth_texture) { + + glDeleteTextures(1, &rt->depth); + } else { + + glDeleteRenderbuffers(1, &rt->depth); + } + + glDeleteTextures(1, &rt->color); + rt->fbo = 0; + rt->width = 0; + rt->height = 0; + rt->color = 0; + rt->depth = 0; + texture->tex_id = 0; + texture->active = false; + WARN_PRINT("Could not create framebuffer!!"); + return; + } + + texture->format = Image::FORMAT_RGBA8; + texture->gl_format_cache = GL_RGBA; + texture->gl_type_cache = GL_UNSIGNED_BYTE; + texture->gl_internal_format_cache = GL_RGBA; + texture->tex_id = rt->color; + texture->width = rt->width; + texture->alloc_width = rt->width; + texture->height = rt->height; + texture->alloc_height = rt->height; + texture->active = true; + + texture_set_flags(rt->texture, texture->flags); } - texture->format = Image::FORMAT_RGBA8; - texture->gl_format_cache = GL_RGBA; - texture->gl_type_cache = GL_UNSIGNED_BYTE; - texture->gl_internal_format_cache = GL_RGBA; - texture->tex_id = rt->color; - texture->width = rt->width; - texture->alloc_width = rt->width; - texture->height = rt->height; - texture->alloc_height = rt->height; - texture->active = true; + /* BACK FBO */ + /* For MSAA */ + + if (rt->msaa != VS::VIEWPORT_MSAA_DISABLED && config.multisample_supported) { + + rt->multisample_active = true; + + static const int msaa_value[] = { 0, 2, 4, 8, 16 }; + int msaa = msaa_value[rt->msaa]; + + int max_samples = 0; + glGetIntegerv(GL_MAX_SAMPLES, &max_samples); + if (msaa > max_samples) { + WARN_PRINTS("MSAA must be <= GL_MAX_SAMPLES, falling-back to GL_MAX_SAMPLES = " + itos(max_samples)); + msaa = max_samples; + } + + //regular fbo + glGenFramebuffers(1, &rt->multisample_fbo); + glBindFramebuffer(GL_FRAMEBUFFER, rt->multisample_fbo); + + glGenRenderbuffers(1, &rt->multisample_depth); + glBindRenderbuffer(GL_RENDERBUFFER, rt->multisample_depth); + glRenderbufferStorageMultisample(GL_RENDERBUFFER, msaa, config.depth_internalformat, rt->width, rt->height); + + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->multisample_depth); + +#if defined(GLES_OVER_GL) || defined(IPHONE_ENABLED) + + glGenRenderbuffers(1, &rt->multisample_color); + glBindRenderbuffer(GL_RENDERBUFFER, rt->multisample_color); + glRenderbufferStorageMultisample(GL_RENDERBUFFER, msaa, color_internal_format, rt->width, rt->height); + + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, rt->multisample_color); +#else + // Render to a texture in android + glGenTextures(1, &rt->multisample_color); + glBindTexture(GL_TEXTURE_2D, rt->multisample_color); + + glTexImage2D(GL_TEXTURE_2D, 0, color_internal_format, rt->width, rt->height, 0, color_format, color_type, NULL); + + // multisample buffer is same size as front buffer, so just use nearest + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + + glFramebufferTexture2DMultisample(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->color, 0, msaa); +#endif + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + + if (status != GL_FRAMEBUFFER_COMPLETE) { + printf("err status: %x\n", status); + _render_target_clear(rt); + ERR_FAIL_COND(status != GL_FRAMEBUFFER_COMPLETE); + } + + glBindRenderbuffer(GL_RENDERBUFFER, 0); - texture_set_flags(rt->texture, texture->flags); + } else { + rt->multisample_active = false; + } glClearColor(0, 0, 0, 0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); @@ -4651,7 +4774,7 @@ void RasterizerStorageGLES2::_render_target_allocate(RenderTarget *rt) { glClearColor(0, 0, 0, 0); glClear(GL_COLOR_BUFFER_BIT); - status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); if (status != GL_FRAMEBUFFER_COMPLETE) { _render_target_clear(rt); ERR_FAIL_COND(status != GL_FRAMEBUFFER_COMPLETE); @@ -4663,6 +4786,10 @@ void RasterizerStorageGLES2::_render_target_allocate(RenderTarget *rt) { void RasterizerStorageGLES2::_render_target_clear(RenderTarget *rt) { + // there is nothing to clear when DIRECT_TO_SCREEN is used + if (rt->flags[RENDER_TARGET_DIRECT_TO_SCREEN]) + return; + if (rt->fbo) { glDeleteFramebuffers(1, &rt->fbo); glDeleteTextures(1, &rt->color); @@ -4710,6 +4837,20 @@ void RasterizerStorageGLES2::_render_target_clear(RenderTarget *rt) { glDeleteTextures(1, &rt->copy_screen_effect.color); rt->copy_screen_effect.color = 0; } + + if (rt->multisample_active) { + glDeleteFramebuffers(1, &rt->multisample_fbo); + rt->multisample_fbo = 0; + + glDeleteRenderbuffers(1, &rt->multisample_depth); + rt->multisample_depth = 0; +#ifdef GLES_OVER_GL + glDeleteRenderbuffers(1, &rt->multisample_color); +#else + glDeleteTextures(1, &rt->multisample_color); +#endif + rt->multisample_color = 0; + } } RID RasterizerStorageGLES2::render_target_create() { @@ -4743,6 +4884,15 @@ RID RasterizerStorageGLES2::render_target_create() { return render_target_owner.make_rid(rt); } +void RasterizerStorageGLES2::render_target_set_position(RID p_render_target, int p_x, int p_y) { + + RenderTarget *rt = render_target_owner.getornull(p_render_target); + ERR_FAIL_COND(!rt); + + rt->x = p_x; + rt->y = p_y; +} + void RasterizerStorageGLES2::render_target_set_size(RID p_render_target, int p_width, int p_height) { RenderTarget *rt = render_target_owner.getornull(p_render_target); @@ -4872,6 +5022,14 @@ void RasterizerStorageGLES2::render_target_set_flag(RID p_render_target, RenderT RenderTarget *rt = render_target_owner.getornull(p_render_target); ERR_FAIL_COND(!rt); + // When setting DIRECT_TO_SCREEN, you need to clear before the value is set, but allocate after as + // those functions change how they operate depending on the value of DIRECT_TO_SCREEN + if (p_flag == RENDER_TARGET_DIRECT_TO_SCREEN && p_value != rt->flags[RENDER_TARGET_DIRECT_TO_SCREEN]) { + _render_target_clear(rt); + rt->flags[p_flag] = p_value; + _render_target_allocate(rt); + } + rt->flags[p_flag] = p_value; switch (p_flag) { @@ -4911,6 +5069,11 @@ void RasterizerStorageGLES2::render_target_set_msaa(RID p_render_target, VS::Vie if (rt->msaa == p_msaa) return; + if (!config.multisample_supported) { + ERR_PRINT("MSAA not supported on this hardware."); + return; + } + _render_target_clear(rt); rt->msaa = p_msaa; _render_target_allocate(rt); @@ -5434,6 +5597,26 @@ void RasterizerStorageGLES2::initialize() { config.support_npot_repeat_mipmap = config.extensions.has("GL_OES_texture_npot"); #endif + +#ifndef GLES_OVER_GL + //Manually load extensions for android and ios + +#ifdef IPHONE_ENABLED + + //void *gles2_lib = dlopen(NULL, RTLD_LAZY); + //glRenderbufferStorageMultisampleAPPLE = dlsym(gles2_lib, "glRenderbufferStorageMultisampleAPPLE"); + //glResolveMultisampleFramebufferAPPLE = dlsym(gles2_lib, "glResolveMultisampleFramebufferAPPLE"); +#else + + void *gles2_lib = dlopen("libGLESv2.so", RTLD_LAZY); + glRenderbufferStorageMultisampleEXT = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC)dlsym(gles2_lib, "glRenderbufferStorageMultisampleEXT"); + glFramebufferTexture2DMultisampleEXT = (PFNGLFRAMEBUFFERTEXTURE2DMULTISAMPLEEXTPROC)dlsym(gles2_lib, "glFramebufferTexture2DMultisampleEXT"); +#endif +#endif + + // Check for multisample support + config.multisample_supported = config.extensions.has("GL_EXT_framebuffer_multisample") || config.extensions.has("GL_EXT_multisampled_render_to_texture") || config.extensions.has("GL_APPLE_framebuffer_multisample"); + #ifdef GLES_OVER_GL config.use_rgba_2d_shadows = false; config.support_depth_texture = true; diff --git a/drivers/gles2/rasterizer_storage_gles2.h b/drivers/gles2/rasterizer_storage_gles2.h index 2ac68fa47a..af57aa3d9b 100644 --- a/drivers/gles2/rasterizer_storage_gles2.h +++ b/drivers/gles2/rasterizer_storage_gles2.h @@ -92,6 +92,8 @@ public: bool support_shadow_cubemaps; + bool multisample_supported; + GLuint depth_internalformat; GLuint depth_type; @@ -910,6 +912,7 @@ public: bool shadow; bool negative; bool reverse_cull; + bool use_gi; uint32_t cull_mask; @@ -936,6 +939,7 @@ public: virtual void light_set_negative(RID p_light, bool p_enable); virtual void light_set_cull_mask(RID p_light, uint32_t p_mask); virtual void light_set_reverse_cull_face_mode(RID p_light, bool p_enabled); + virtual void light_set_use_gi(RID p_light, bool p_enabled); virtual void light_omni_set_shadow_mode(RID p_light, VS::LightOmniShadowMode p_mode); virtual void light_omni_set_shadow_detail(RID p_light, VS::LightOmniShadowDetail p_detail); @@ -955,6 +959,7 @@ public: virtual VS::LightType light_get_type(RID p_light) const; virtual float light_get_param(RID p_light, VS::LightParam p_param); virtual Color light_get_color(RID p_light); + virtual bool light_get_use_gi(RID p_light); virtual AABB light_get_aabb(RID p_light) const; virtual uint64_t light_get_version(RID p_light) const; @@ -1129,10 +1134,14 @@ public: struct RenderTarget : public RID_Data { GLuint fbo; - GLuint color; GLuint depth; + GLuint multisample_fbo; + GLuint multisample_color; + GLuint multisample_depth; + bool multisample_active; + // TODO post processing effects? // TODO HDR? @@ -1166,7 +1175,7 @@ public: } } external; - int width, height; + int x, y, width, height; bool flags[RENDER_TARGET_FLAG_MAX]; @@ -1179,6 +1188,12 @@ public: fbo(0), color(0), depth(0), + multisample_fbo(0), + multisample_color(0), + multisample_depth(0), + multisample_active(false), + x(0), + y(0), width(0), height(0), used_in_frame(false), @@ -1196,6 +1211,7 @@ public: void _render_target_allocate(RenderTarget *rt); virtual RID render_target_create(); + virtual void render_target_set_position(RID p_render_target, int p_x, int p_y); virtual void render_target_set_size(RID p_render_target, int p_width, int p_height); virtual RID render_target_get_texture(RID p_render_target) const; virtual void render_target_set_external_texture(RID p_render_target, unsigned int p_texture_id); diff --git a/drivers/gles2/shader_compiler_gles2.cpp b/drivers/gles2/shader_compiler_gles2.cpp index d00b03fb8a..9778d39a21 100644 --- a/drivers/gles2/shader_compiler_gles2.cpp +++ b/drivers/gles2/shader_compiler_gles2.cpp @@ -316,9 +316,14 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener for (Map<StringName, SL::ShaderNode::Uniform>::Element *E = snode->uniforms.front(); E; E = E->next()) { StringBuffer<> uniform_code; - uniform_code += "uniform "; + // use highp if no precision is specified to prevent different default values in fragment and vertex shader + SL::DataPrecision precision = E->get().precision; + if (precision == SL::PRECISION_DEFAULT) { + precision = SL::PRECISION_HIGHP; + } - uniform_code += _prestr(E->get().precision); + uniform_code += "uniform "; + uniform_code += _prestr(precision); uniform_code += _typestr(E->get().type); uniform_code += " "; uniform_code += _mkid(E->key()); @@ -934,6 +939,7 @@ ShaderCompilerGLES2::ShaderCompilerGLES2() { actions[VS::SHADER_SPATIAL].render_mode_defines["specular_disabled"] = "#define SPECULAR_DISABLED\n"; actions[VS::SHADER_SPATIAL].render_mode_defines["shadows_disabled"] = "#define SHADOWS_DISABLED\n"; actions[VS::SHADER_SPATIAL].render_mode_defines["ambient_light_disabled"] = "#define AMBIENT_LIGHT_DISABLED\n"; + actions[VS::SHADER_SPATIAL].render_mode_defines["shadow_to_opacity"] = "#define USE_SHADOW_TO_OPACITY\n"; // No defines for particle shaders in GLES2, there are no GPU particles diff --git a/drivers/gles2/shaders/canvas.glsl b/drivers/gles2/shaders/canvas.glsl index 7ba2856216..7dce784f52 100644 --- a/drivers/gles2/shaders/canvas.glsl +++ b/drivers/gles2/shaders/canvas.glsl @@ -347,7 +347,7 @@ 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 + //needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it uv = mod(uv, vec2(1.0, 1.0)); #endif diff --git a/drivers/gles2/shaders/effect_blur.glsl b/drivers/gles2/shaders/effect_blur.glsl index a531802c75..df79e89931 100644 --- a/drivers/gles2/shaders/effect_blur.glsl +++ b/drivers/gles2/shaders/effect_blur.glsl @@ -116,12 +116,13 @@ void main() { #ifdef GAUSSIAN_HORIZONTAL vec2 pix_size = pixel_size; pix_size *= 0.5; //reading from larger buffer, so use more samples + // sigma 2 vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.214607; color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.189879; - color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.157305; + color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.131514; color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.071303; color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.189879; - color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.157305; + color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.131514; color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.071303; frag_color = color; #endif diff --git a/drivers/gles2/shaders/scene.glsl b/drivers/gles2/shaders/scene.glsl index 5d21c679ba..2aef913ae8 100644 --- a/drivers/gles2/shaders/scene.glsl +++ b/drivers/gles2/shaders/scene.glsl @@ -424,9 +424,12 @@ void main() { #endif + mat4 local_projection_matrix = projection_matrix; + mat4 modelview = camera_inverse_matrix * world_matrix; float roughness = 1.0; +#define projection_matrix local_projection_matrix #define world_transform world_matrix { @@ -911,6 +914,7 @@ uniform mat4 radiance_inverse_xform; #endif +uniform vec4 bg_color; uniform float bg_energy; uniform float ambient_sky_contribution; @@ -1147,7 +1151,8 @@ void light_compute( float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, - inout vec3 specular_light) { + inout vec3 specular_light, + inout float alpha) { //this makes lights behave closer to linear, but then addition of lights looks bad //better left disabled @@ -1302,10 +1307,10 @@ LIGHT_SHADER_CODE // shlick+ggx as default #if defined(LIGHT_USE_ANISOTROPY) - float alpha = roughness * roughness; + float alpha_ggx = roughness * roughness; float aspect = sqrt(1.0 - anisotropy * 0.9); - float ax = alpha / aspect; - float ay = alpha * aspect; + float ax = alpha_ggx / aspect; + float ay = alpha_ggx * aspect; float XdotH = dot(T, H); float YdotH = dot(B, H); float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH); @@ -1313,10 +1318,10 @@ LIGHT_SHADER_CODE float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL); #else - float alpha = roughness * roughness; - float D = D_GGX(cNdotH, alpha); - //float G = G_GGX_2cos(cNdotL, alpha) * G_GGX_2cos(cNdotV, alpha); - float G = V_GGX(cNdotL, cNdotV, alpha); + float alpha_ggx = roughness * roughness; + float D = D_GGX(cNdotH, alpha_ggx); + //float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx); + float G = V_GGX(cNdotL, cNdotV, alpha_ggx); #endif // F vec3 f0 = F0(metallic, specular, diffuse_color); @@ -1346,6 +1351,10 @@ LIGHT_SHADER_CODE #endif } +#ifdef USE_SHADOW_TO_OPACITY + alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0)); +#endif + #endif //defined(USE_LIGHT_SHADER_CODE) } @@ -1531,20 +1540,29 @@ FRAGMENT_SHADER_CODE vec3 eye_position = view; +#if !defined(USE_SHADOW_TO_OPACITY) + #if defined(ALPHA_SCISSOR_USED) if (alpha < alpha_scissor) { discard; } -#endif +#endif // ALPHA_SCISSOR_USED #ifdef USE_DEPTH_PREPASS if (alpha < 0.99) { discard; } -#endif +#endif // USE_DEPTH_PREPASS + +#endif // !USE_SHADOW_TO_OPACITY #ifdef BASE_PASS //none + +#ifdef AMBIENT_LIGHT_DISABLED + ambient_light = vec3(0.0, 0.0, 0.0); +#else + #ifdef USE_RADIANCE_MAP vec3 ref_vec = reflect(-eye_position, N); @@ -1553,7 +1571,6 @@ FRAGMENT_SHADER_CODE ref_vec.z *= -1.0; specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy; - { vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz); vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, RADIANCE_MAX_LOD).xyz * bg_energy; @@ -1564,9 +1581,11 @@ FRAGMENT_SHADER_CODE #else ambient_light = ambient_color.rgb; + specular_light = bg_color.rgb * bg_energy; #endif +#endif // AMBIENT_LIGHT_DISABLED ambient_light *= ambient_energy; #if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2) @@ -1622,6 +1641,19 @@ FRAGMENT_SHADER_CODE #endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2) + // scales the specular reflections, needs to be be computed before lighting happens, + // but after environment and reflection probes are added + //TODO: this curve is not really designed for gammaspace, should be adjusted + 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_position), 0.0, 1.0); + float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y; + vec2 env = vec2(-1.04, 1.04) * a004 + r.zw; + + vec3 f0 = F0(metallic, specular, albedo); + specular_light *= env.x * f0 + env.y; + #ifdef USE_LIGHTMAP //ambient light will come entirely from lightmap is lightmap is used ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy; @@ -1693,6 +1725,8 @@ FRAGMENT_SHADER_CODE #endif +#if !defined(SHADOWS_DISABLED) + #ifdef USE_SHADOW { highp vec4 splane = shadow_coord; @@ -1723,6 +1757,8 @@ FRAGMENT_SHADER_CODE } #endif +#endif //SHADOWS_DISABLED + #endif //type omni #ifdef LIGHT_MODE_DIRECTIONAL @@ -1733,6 +1769,8 @@ FRAGMENT_SHADER_CODE #endif float depth_z = -vertex.z; +#if !defined(SHADOWS_DISABLED) + #ifdef USE_SHADOW #ifdef USE_VERTEX_LIGHTING @@ -1951,6 +1989,8 @@ FRAGMENT_SHADER_CODE #endif //use shadow +#endif // SHADOWS_DISABLED + #endif #ifdef LIGHT_MODE_SPOT @@ -1987,6 +2027,8 @@ FRAGMENT_SHADER_CODE #endif +#if !defined(SHADOWS_DISABLED) + #ifdef USE_SHADOW { highp vec4 splane = shadow_coord; @@ -1996,6 +2038,8 @@ FRAGMENT_SHADER_CODE } #endif +#endif // SHADOWS_DISABLED + #endif // LIGHT_MODE_SPOT #ifdef USE_VERTEX_LIGHTING @@ -2026,13 +2070,32 @@ FRAGMENT_SHADER_CODE clearcoat_gloss, anisotropy, diffuse_light, - specular_light); + specular_light, + alpha); #endif //vertex lighting #endif //USE_LIGHTING //compute and merge +#ifdef USE_SHADOW_TO_OPACITY + + alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0)); + +#if defined(ALPHA_SCISSOR_USED) + if (alpha < alpha_scissor) { + discard; + } +#endif // ALPHA_SCISSOR_USED + +#ifdef USE_DEPTH_PREPASS + if (alpha < 0.99) { + discard; + } +#endif // USE_DEPTH_PREPASS + +#endif // !USE_SHADOW_TO_OPACITY + #ifndef RENDER_DEPTH #ifdef SHADELESS @@ -2059,17 +2122,6 @@ FRAGMENT_SHADER_CODE #if defined(DIFFUSE_TOON) //simplify for toon, as specular_light *= specular * metallic * albedo * 2.0; -#else - //TODO: this curve is not really designed for gammaspace, should be adjusted - 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_position), 0.0, 1.0); - float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y; - vec2 env = vec2(-1.04, 1.04) * a004 + r.zw; - - vec3 f0 = F0(metallic, specular, albedo); - specular_light *= env.x * f0 + env.y; #endif } @@ -2081,8 +2133,6 @@ FRAGMENT_SHADER_CODE #endif // gl_FragColor = vec4(normal, 1.0); -#endif //unshaded - //apply fog #if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED) @@ -2137,6 +2187,8 @@ FRAGMENT_SHADER_CODE #endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED) +#endif //unshaded + #else // not RENDER_DEPTH //depth render #ifdef USE_RGBA_SHADOWS |