diff options
Diffstat (limited to 'drivers/gles3/storage/texture_storage.cpp')
| -rw-r--r-- | drivers/gles3/storage/texture_storage.cpp | 932 |
1 files changed, 932 insertions, 0 deletions
diff --git a/drivers/gles3/storage/texture_storage.cpp b/drivers/gles3/storage/texture_storage.cpp index d199b1032e..2a63c7ccad 100644 --- a/drivers/gles3/storage/texture_storage.cpp +++ b/drivers/gles3/storage/texture_storage.cpp @@ -43,6 +43,81 @@ TextureStorage *TextureStorage::get_singleton() { TextureStorage::TextureStorage() { singleton = this; + + system_fbo = 0; + + frame.count = 0; + frame.delta = 0; + frame.current_rt = nullptr; + frame.clear_request = false; + + Config *config = Config::get_singleton(); + + //determine formats for depth textures (or renderbuffers) + if (config->support_depth_texture) { + // Will use texture for depth + // have to manually see if we can create a valid framebuffer texture using UNSIGNED_INT, + // as there is no extension to test for this. + GLuint fbo; + glGenFramebuffers(1, &fbo); + glBindFramebuffer(GL_FRAMEBUFFER, fbo); + GLuint depth; + glGenTextures(1, &depth); + glBindTexture(GL_TEXTURE_2D, depth); + glTexImage2D(GL_TEXTURE_2D, 0, config->depth_internalformat, 32, 32, 0, GL_DEPTH_COMPONENT, config->depth_type, nullptr); + + 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, depth, 0); + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + + glBindFramebuffer(GL_FRAMEBUFFER, GLES3::TextureStorage::system_fbo); + glDeleteFramebuffers(1, &fbo); + glBindTexture(GL_TEXTURE_2D, 0); + glDeleteTextures(1, &depth); + + if (status != GL_FRAMEBUFFER_COMPLETE) { + // If it fails, test to see if it supports a framebuffer texture using UNSIGNED_SHORT + // This is needed because many OSX devices don't support either UNSIGNED_INT or UNSIGNED_SHORT +#ifdef GLES_OVER_GL + config->depth_internalformat = GL_DEPTH_COMPONENT16; +#else + // OES_depth_texture extension only specifies GL_DEPTH_COMPONENT. + config->depth_internalformat = GL_DEPTH_COMPONENT; +#endif + config->depth_type = GL_UNSIGNED_SHORT; + + glGenFramebuffers(1, &fbo); + glBindFramebuffer(GL_FRAMEBUFFER, fbo); + + glGenTextures(1, &depth); + glBindTexture(GL_TEXTURE_2D, depth); + glTexImage2D(GL_TEXTURE_2D, 0, config->depth_internalformat, 32, 32, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, nullptr); + + 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, depth, 0); + + status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + if (status != GL_FRAMEBUFFER_COMPLETE) { + //if it fails again depth textures aren't supported, use rgba shadows and renderbuffer for depth + config->support_depth_texture = false; + config->use_rgba_3d_shadows = true; + } + + glBindFramebuffer(GL_FRAMEBUFFER, GLES3::TextureStorage::system_fbo); + glDeleteFramebuffers(1, &fbo); + glBindTexture(GL_TEXTURE_2D, 0); + glDeleteTextures(1, &depth); + } + } } TextureStorage::~TextureStorage() { @@ -65,6 +140,55 @@ bool TextureStorage::can_create_resources_async() const { return false; } +/* Canvas Texture API */ + +RID TextureStorage::canvas_texture_allocate() { + return canvas_texture_owner.allocate_rid(); +} + +void TextureStorage::canvas_texture_initialize(RID p_rid) { + canvas_texture_owner.initialize_rid(p_rid); +} + +void TextureStorage::canvas_texture_free(RID p_rid) { + canvas_texture_owner.free(p_rid); +} + +void TextureStorage::canvas_texture_set_channel(RID p_canvas_texture, RS::CanvasTextureChannel p_channel, RID p_texture) { + CanvasTexture *ct = canvas_texture_owner.get_or_null(p_canvas_texture); + switch (p_channel) { + case RS::CANVAS_TEXTURE_CHANNEL_DIFFUSE: { + ct->diffuse = p_texture; + } break; + case RS::CANVAS_TEXTURE_CHANNEL_NORMAL: { + ct->normal_map = p_texture; + } break; + case RS::CANVAS_TEXTURE_CHANNEL_SPECULAR: { + ct->specular = p_texture; + } break; + } +} + +void TextureStorage::canvas_texture_set_shading_parameters(RID p_canvas_texture, const Color &p_specular_color, float p_shininess) { + CanvasTexture *ct = canvas_texture_owner.get_or_null(p_canvas_texture); + ct->specular_color.r = p_specular_color.r; + ct->specular_color.g = p_specular_color.g; + ct->specular_color.b = p_specular_color.b; + ct->specular_color.a = p_shininess; +} + +void TextureStorage::canvas_texture_set_texture_filter(RID p_canvas_texture, RS::CanvasItemTextureFilter p_filter) { + CanvasTexture *ct = canvas_texture_owner.get_or_null(p_canvas_texture); + ct->texture_filter = p_filter; +} + +void TextureStorage::canvas_texture_set_texture_repeat(RID p_canvas_texture, RS::CanvasItemTextureRepeat p_repeat) { + CanvasTexture *ct = canvas_texture_owner.get_or_null(p_canvas_texture); + ct->texture_repeat = p_repeat; +} + +/* Texture API */ + static const GLenum _cube_side_enum[6] = { GL_TEXTURE_CUBE_MAP_NEGATIVE_X, GL_TEXTURE_CUBE_MAP_POSITIVE_X, @@ -1208,4 +1332,812 @@ void TextureStorage::textures_keep_original(bool p_enable) { Config::get_singleton()->keep_original_textures = p_enable; } +/* DECAL API */ + +RID TextureStorage::decal_allocate() { + return RID(); +} + +void TextureStorage::decal_initialize(RID p_rid) { +} + +void TextureStorage::decal_set_extents(RID p_decal, const Vector3 &p_extents) { +} + +void TextureStorage::decal_set_texture(RID p_decal, RS::DecalTexture p_type, RID p_texture) { +} + +void TextureStorage::decal_set_emission_energy(RID p_decal, float p_energy) { +} + +void TextureStorage::decal_set_albedo_mix(RID p_decal, float p_mix) { +} + +void TextureStorage::decal_set_modulate(RID p_decal, const Color &p_modulate) { +} + +void TextureStorage::decal_set_cull_mask(RID p_decal, uint32_t p_layers) { +} + +void TextureStorage::decal_set_distance_fade(RID p_decal, bool p_enabled, float p_begin, float p_length) { +} + +void TextureStorage::decal_set_fade(RID p_decal, float p_above, float p_below) { +} + +void TextureStorage::decal_set_normal_fade(RID p_decal, float p_fade) { +} + +AABB TextureStorage::decal_get_aabb(RID p_decal) const { + return AABB(); +} + +/* RENDER TARGET API */ + +GLuint TextureStorage::system_fbo = 0; + +void TextureStorage::_set_current_render_target(RID p_render_target) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + + if (rt) { + if (rt->allocate_is_dirty) { + rt->allocate_is_dirty = false; + _render_target_allocate(rt); + } + + frame.current_rt = rt; + ERR_FAIL_COND(!rt); + frame.clear_request = false; + + glViewport(0, 0, rt->width, rt->height); + + _dims.rt_width = rt->width; + _dims.rt_height = rt->height; + _dims.win_width = rt->width; + _dims.win_height = rt->height; + + } else { + frame.current_rt = nullptr; + frame.clear_request = false; + glBindFramebuffer(GL_FRAMEBUFFER, GLES3::TextureStorage::system_fbo); + } +} + +void TextureStorage::_render_target_allocate(RenderTarget *rt) { + Config *config = Config::get_singleton(); + + // do not allocate a render target with no size + if (rt->width <= 0 || rt->height <= 0) { + return; + } + + // do not allocate a render target that is attached to the screen + if (rt->flags[RENDER_TARGET_DIRECT_TO_SCREEN]) { + rt->fbo = system_fbo; + return; + } + + GLuint color_internal_format; + GLuint color_format; + GLuint color_type = GL_UNSIGNED_BYTE; + Image::Format image_format; + + if (rt->flags[TextureStorage::RENDER_TARGET_TRANSPARENT]) { +#ifdef GLES_OVER_GL + color_internal_format = GL_RGBA8; +#else + color_internal_format = GL_RGBA; +#endif + color_format = GL_RGBA; + image_format = Image::FORMAT_RGBA8; + } else { +#ifdef GLES_OVER_GL + color_internal_format = GL_RGB8; +#else + color_internal_format = GL_RGB; +#endif + color_format = GL_RGB; + image_format = Image::FORMAT_RGB8; + } + + rt->used_dof_blur_near = false; + rt->mip_maps_allocated = false; + + { + /* Front FBO */ + + Texture *texture = get_texture(rt->texture); + ERR_FAIL_COND(!texture); + + // framebuffer + glGenFramebuffers(1, &rt->fbo); + glBindFramebuffer(GL_FRAMEBUFFER, rt->fbo); + + // color + glGenTextures(1, &rt->color); + glBindTexture(GL_TEXTURE_2D, rt->color); + + glTexImage2D(GL_TEXTURE_2D, 0, color_internal_format, rt->width, rt->height, 0, color_format, color_type, nullptr); + + if (texture->flags & TEXTURE_FLAG_FILTER) { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + } else { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_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_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->color, 0); + + // depth + + 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, nullptr); + + 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 { + glGenRenderbuffers(1, &rt->depth); + glBindRenderbuffer(GL_RENDERBUFFER, rt->depth); + + glRenderbufferStorage(GL_RENDERBUFFER, config->depth_buffer_internalformat, rt->width, rt->height); + + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->depth); + } + + 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; + texture->gl_format_cache = color_format; + texture->gl_type_cache = GL_UNSIGNED_BYTE; + texture->gl_internal_format_cache = color_internal_format; + 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); + } + + /* BACK FBO */ + /* For MSAA */ + +#ifndef JAVASCRIPT_ENABLED + if (rt->msaa >= RS::VIEWPORT_MSAA_2X && rt->msaa <= RS::VIEWPORT_MSAA_8X) { + 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_PRINT("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_buffer_internalformat, rt->width, rt->height); + + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->multisample_depth); + + 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); + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + + if (status != GL_FRAMEBUFFER_COMPLETE) { + // Delete allocated resources and default to no MSAA + WARN_PRINT_ONCE("Cannot allocate back framebuffer for MSAA"); + printf("err status: %x\n", status); + rt->multisample_active = false; + + glDeleteFramebuffers(1, &rt->multisample_fbo); + rt->multisample_fbo = 0; + + glDeleteRenderbuffers(1, &rt->multisample_depth); + rt->multisample_depth = 0; + + glDeleteRenderbuffers(1, &rt->multisample_color); + rt->multisample_color = 0; + } + + glBindRenderbuffer(GL_RENDERBUFFER, 0); + glBindFramebuffer(GL_FRAMEBUFFER, 0); + + } else +#endif // JAVASCRIPT_ENABLED + { + rt->multisample_active = false; + } + + glClearColor(0, 0, 0, 0); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + // copy texscreen buffers + // if (!(rt->flags[TextureStorage::RENDER_TARGET_NO_SAMPLING])) { + if (true) { + glGenTextures(1, &rt->copy_screen_effect.color); + glBindTexture(GL_TEXTURE_2D, rt->copy_screen_effect.color); + + if (rt->flags[TextureStorage::RENDER_TARGET_TRANSPARENT]) { + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, rt->width, rt->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); + } else { + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, rt->width, rt->height, 0, GL_RGB, GL_UNSIGNED_BYTE, nullptr); + } + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + glGenFramebuffers(1, &rt->copy_screen_effect.fbo); + glBindFramebuffer(GL_FRAMEBUFFER, rt->copy_screen_effect.fbo); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->copy_screen_effect.color, 0); + + glClearColor(0, 0, 0, 0); + glClear(GL_COLOR_BUFFER_BIT); + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + if (status != GL_FRAMEBUFFER_COMPLETE) { + _render_target_clear(rt); + ERR_FAIL_COND(status != GL_FRAMEBUFFER_COMPLETE); + } + } + + // Allocate mipmap chains for post_process effects + // if (!rt->flags[RendererStorage::RENDER_TARGET_NO_3D] && rt->width >= 2 && rt->height >= 2) { + if (rt->width >= 2 && rt->height >= 2) { + for (int i = 0; i < 2; i++) { + ERR_FAIL_COND(rt->mip_maps[i].sizes.size()); + int w = rt->width; + int h = rt->height; + + if (i > 0) { + w >>= 1; + h >>= 1; + } + + int level = 0; + int fb_w = w; + int fb_h = h; + + while (true) { + RenderTarget::MipMaps::Size mm; + mm.width = w; + mm.height = h; + rt->mip_maps[i].sizes.push_back(mm); + + w >>= 1; + h >>= 1; + + if (w < 2 || h < 2) { + break; + } + + level++; + } + + GLsizei width = fb_w; + GLsizei height = fb_h; + + if (config->render_to_mipmap_supported) { + glGenTextures(1, &rt->mip_maps[i].color); + glBindTexture(GL_TEXTURE_2D, rt->mip_maps[i].color); + + for (int l = 0; l < level + 1; l++) { + glTexImage2D(GL_TEXTURE_2D, l, color_internal_format, width, height, 0, color_format, color_type, nullptr); + width = MAX(1, (width / 2)); + height = MAX(1, (height / 2)); + } +#ifdef GLES_OVER_GL + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, level); +#endif + } else { + // Can't render to specific levels of a mipmap in ES 2.0 or Webgl so create a texture for each level + for (int l = 0; l < level + 1; l++) { + glGenTextures(1, &rt->mip_maps[i].sizes.write[l].color); + glBindTexture(GL_TEXTURE_2D, rt->mip_maps[i].sizes[l].color); + glTexImage2D(GL_TEXTURE_2D, 0, color_internal_format, width, height, 0, color_format, color_type, nullptr); + width = MAX(1, (width / 2)); + height = MAX(1, (height / 2)); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + } + } + + glDisable(GL_SCISSOR_TEST); + glColorMask(1, 1, 1, 1); + glDepthMask(GL_TRUE); + + for (int j = 0; j < rt->mip_maps[i].sizes.size(); j++) { + RenderTarget::MipMaps::Size &mm = rt->mip_maps[i].sizes.write[j]; + + glGenFramebuffers(1, &mm.fbo); + glBindFramebuffer(GL_FRAMEBUFFER, mm.fbo); + + if (config->render_to_mipmap_supported) { + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->mip_maps[i].color, j); + } else { + glBindTexture(GL_TEXTURE_2D, rt->mip_maps[i].sizes[j].color); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->mip_maps[i].sizes[j].color, 0); + } + + bool used_depth = false; + if (j == 0 && i == 0) { //use always + if (config->support_depth_texture) { + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, rt->depth, 0); + } else { + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->depth); + } + used_depth = true; + } + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + if (status != GL_FRAMEBUFFER_COMPLETE) { + WARN_PRINT_ONCE("Cannot allocate mipmaps for 3D post processing effects"); + glBindFramebuffer(GL_FRAMEBUFFER, GLES3::TextureStorage::system_fbo); + return; + } + + glClearColor(1.0, 0.0, 1.0, 0.0); + glClear(GL_COLOR_BUFFER_BIT); + if (used_depth) { + glClearDepth(1.0); + glClear(GL_DEPTH_BUFFER_BIT); + } + } + + rt->mip_maps[i].levels = level; + + if (config->render_to_mipmap_supported) { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + } + } + rt->mip_maps_allocated = true; + } + + glBindFramebuffer(GL_FRAMEBUFFER, GLES3::TextureStorage::system_fbo); +} + +void TextureStorage::_render_target_clear(RenderTarget *rt) { + Config *config = Config::get_singleton(); + + // 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); + rt->fbo = 0; + } + + if (rt->external.fbo != 0) { + // free this + glDeleteFramebuffers(1, &rt->external.fbo); + + // clean up our texture + Texture *t = get_texture(rt->external.texture); + t->alloc_height = 0; + t->alloc_width = 0; + t->width = 0; + t->height = 0; + t->active = false; + texture_free(rt->external.texture); + memdelete(t); + + rt->external.fbo = 0; + } + + if (rt->depth) { + if (config->support_depth_texture) { + glDeleteTextures(1, &rt->depth); + } else { + glDeleteRenderbuffers(1, &rt->depth); + } + + rt->depth = 0; + } + + Texture *tex = get_texture(rt->texture); + tex->alloc_height = 0; + tex->alloc_width = 0; + tex->width = 0; + tex->height = 0; + tex->active = false; + + if (rt->copy_screen_effect.color) { + glDeleteFramebuffers(1, &rt->copy_screen_effect.fbo); + rt->copy_screen_effect.fbo = 0; + + glDeleteTextures(1, &rt->copy_screen_effect.color); + rt->copy_screen_effect.color = 0; + } + + for (int i = 0; i < 2; i++) { + if (rt->mip_maps[i].sizes.size()) { + for (int j = 0; j < rt->mip_maps[i].sizes.size(); j++) { + glDeleteFramebuffers(1, &rt->mip_maps[i].sizes[j].fbo); + glDeleteTextures(1, &rt->mip_maps[i].sizes[j].color); + } + + glDeleteTextures(1, &rt->mip_maps[i].color); + rt->mip_maps[i].sizes.clear(); + rt->mip_maps[i].levels = 0; + rt->mip_maps[i].color = 0; + } + } + + if (rt->multisample_active) { + glDeleteFramebuffers(1, &rt->multisample_fbo); + rt->multisample_fbo = 0; + + glDeleteRenderbuffers(1, &rt->multisample_depth); + rt->multisample_depth = 0; + + glDeleteRenderbuffers(1, &rt->multisample_color); + + rt->multisample_color = 0; + } +} + +RID TextureStorage::render_target_create() { + RenderTarget *rt = memnew(RenderTarget); + Texture *t = memnew(Texture); + + t->type = RenderingDevice::TEXTURE_TYPE_2D; + t->flags = 0; + t->width = 0; + t->height = 0; + t->alloc_height = 0; + t->alloc_width = 0; + t->format = Image::FORMAT_R8; + t->target = GL_TEXTURE_2D; + t->gl_format_cache = 0; + t->gl_internal_format_cache = 0; + t->gl_type_cache = 0; + t->data_size = 0; + t->total_data_size = 0; + t->ignore_mipmaps = false; + t->compressed = false; + t->mipmaps = 1; + t->active = true; + t->tex_id = 0; + t->render_target = rt; + + rt->texture = make_rid(t); + return render_target_owner.make_rid(rt); +} + +void TextureStorage::render_target_free(RID p_rid) { + RenderTarget *rt = render_target_owner.get_or_null(p_rid); + _render_target_clear(rt); + + Texture *t = get_texture(rt->texture); + if (t) { + texture_free(rt->texture); + memdelete(t); + } + render_target_owner.free(p_rid); + memdelete(rt); +} + +void TextureStorage::render_target_set_position(RID p_render_target, int p_x, int p_y) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + + rt->x = p_x; + rt->y = p_y; +} + +void TextureStorage::render_target_set_size(RID p_render_target, int p_width, int p_height, uint32_t p_view_count) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + + if (p_width == rt->width && p_height == rt->height) { + return; + } + + _render_target_clear(rt); + + rt->width = p_width; + rt->height = p_height; + + // print_line("render_target_set_size " + itos(p_render_target.get_id()) + ", w " + itos(p_width) + " h " + itos(p_height)); + + rt->allocate_is_dirty = true; + //_render_target_allocate(rt); +} + +// TODO: convert to Size2i internally +Size2i TextureStorage::render_target_get_size(RID p_render_target) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND_V(!rt, Size2()); + + return Size2i(rt->width, rt->height); +} + +RID TextureStorage::render_target_get_texture(RID p_render_target) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND_V(!rt, RID()); + + if (rt->external.fbo == 0) { + return rt->texture; + } else { + return rt->external.texture; + } +} + +void TextureStorage::render_target_set_external_texture(RID p_render_target, unsigned int p_texture_id) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + + Config *config = Config::get_singleton(); + + if (p_texture_id == 0) { + if (rt->external.fbo != 0) { + // free this + glDeleteFramebuffers(1, &rt->external.fbo); + + // and this + if (rt->external.depth != 0) { + glDeleteRenderbuffers(1, &rt->external.depth); + } + + // clean up our texture + Texture *t = get_texture(rt->external.texture); + t->alloc_height = 0; + t->alloc_width = 0; + t->width = 0; + t->height = 0; + t->active = false; + texture_free(rt->external.texture); + memdelete(t); + + rt->external.fbo = 0; + rt->external.color = 0; + rt->external.depth = 0; + } + } else { + Texture *t; + + if (rt->external.fbo == 0) { + // create our fbo + glGenFramebuffers(1, &rt->external.fbo); + glBindFramebuffer(GL_FRAMEBUFFER, rt->external.fbo); + + // allocate a texture + t = memnew(Texture); + + t->type = RenderingDevice::TEXTURE_TYPE_2D; + t->flags = 0; + t->width = 0; + t->height = 0; + t->alloc_height = 0; + t->alloc_width = 0; + t->format = Image::FORMAT_RGBA8; + t->target = GL_TEXTURE_2D; + t->gl_format_cache = 0; + t->gl_internal_format_cache = 0; + t->gl_type_cache = 0; + t->data_size = 0; + t->compressed = false; + t->srgb = false; + t->total_data_size = 0; + t->ignore_mipmaps = false; + t->mipmaps = 1; + t->active = true; + t->tex_id = 0; + t->render_target = rt; + + rt->external.texture = make_rid(t); + + } else { + // bind our frame buffer + glBindFramebuffer(GL_FRAMEBUFFER, rt->external.fbo); + + // find our texture + t = get_texture(rt->external.texture); + } + + // set our texture + t->tex_id = p_texture_id; + rt->external.color = p_texture_id; + + // size shouldn't be different + t->width = rt->width; + t->height = rt->height; + t->alloc_height = rt->width; + t->alloc_width = rt->height; + + // Switch our texture on our frame buffer + { + // set our texture as the destination for our framebuffer + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, p_texture_id, 0); + + // seeing we're rendering into this directly, better also use our depth buffer, just use our existing one :) + if (config->support_depth_texture) { + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, rt->depth, 0); + } else { + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->depth); + } + } + + // check status and unbind + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + glBindFramebuffer(GL_FRAMEBUFFER, GLES3::TextureStorage::system_fbo); + + if (status != GL_FRAMEBUFFER_COMPLETE) { + printf("framebuffer fail, status: %x\n", status); + } + + ERR_FAIL_COND(status != GL_FRAMEBUFFER_COMPLETE); + } +} + +void TextureStorage::render_target_set_flag(RID p_render_target, RenderTargetFlags p_flag, bool p_value) { + RenderTarget *rt = render_target_owner.get_or_null(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) { + case RENDER_TARGET_TRANSPARENT: + /* + case RENDER_TARGET_HDR: + case RENDER_TARGET_NO_3D: + case RENDER_TARGET_NO_SAMPLING: + case RENDER_TARGET_NO_3D_EFFECTS: */ + { + //must reset for these formats + _render_target_clear(rt); + _render_target_allocate(rt); + } + break; + default: { + } + } +} + +bool TextureStorage::render_target_was_used(RID p_render_target) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND_V(!rt, false); + + return rt->used_in_frame; +} + +void TextureStorage::render_target_clear_used(RID p_render_target) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + + rt->used_in_frame = false; +} + +void TextureStorage::render_target_set_msaa(RID p_render_target, RS::ViewportMSAA p_msaa) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + + if (rt->msaa == p_msaa) { + return; + } + + _render_target_clear(rt); + rt->msaa = p_msaa; + _render_target_allocate(rt); +} + +void TextureStorage::render_target_set_use_fxaa(RID p_render_target, bool p_fxaa) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + + rt->use_fxaa = p_fxaa; +} + +void TextureStorage::render_target_set_use_debanding(RID p_render_target, bool p_debanding) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + + if (p_debanding) { + WARN_PRINT_ONCE("Debanding is not supported in the OpenGL backend. Switch to the Vulkan backend and make sure HDR is enabled."); + } + + rt->use_debanding = p_debanding; +} + +void TextureStorage::render_target_request_clear(RID p_render_target, const Color &p_clear_color) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + rt->clear_requested = true; + rt->clear_color = p_clear_color; + + // ERR_FAIL_COND(!frame.current_rt); + // frame.clear_request = true; + // frame.clear_request_color = p_color; +} + +bool TextureStorage::render_target_is_clear_requested(RID p_render_target) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND_V(!rt, false); + return rt->clear_requested; +} +Color TextureStorage::render_target_get_clear_request_color(RID p_render_target) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND_V(!rt, Color()); + return rt->clear_color; +} + +void TextureStorage::render_target_disable_clear_request(RID p_render_target) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + rt->clear_requested = false; +} + +void TextureStorage::render_target_do_clear_request(RID p_render_target) { +} + +void TextureStorage::render_target_set_sdf_size_and_scale(RID p_render_target, RS::ViewportSDFOversize p_size, RS::ViewportSDFScale p_scale) { +} + +Rect2i TextureStorage::render_target_get_sdf_rect(RID p_render_target) const { + return Rect2i(); +} + +void TextureStorage::render_target_mark_sdf_enabled(RID p_render_target, bool p_enabled) { +} + #endif // GLES3_ENABLED |