diff options
Diffstat (limited to 'drivers/gles3/storage/texture_storage.cpp')
| -rw-r--r-- | drivers/gles3/storage/texture_storage.cpp | 316 |
1 files changed, 266 insertions, 50 deletions
diff --git a/drivers/gles3/storage/texture_storage.cpp b/drivers/gles3/storage/texture_storage.cpp index 076225adf4..11151c4100 100644 --- a/drivers/gles3/storage/texture_storage.cpp +++ b/drivers/gles3/storage/texture_storage.cpp @@ -207,6 +207,11 @@ TextureStorage::TextureStorage() { glBindTexture(GL_TEXTURE_2D, 0); + { + sdf_shader.shader.initialize(); + sdf_shader.shader_version = sdf_shader.shader.version_create(); + } + #ifdef GLES_OVER_GL glEnable(GL_PROGRAM_POINT_SIZE); #endif @@ -222,6 +227,7 @@ TextureStorage::~TextureStorage() { texture_atlas.texture = 0; glDeleteFramebuffers(1, &texture_atlas.framebuffer); texture_atlas.framebuffer = 0; + sdf_shader.shader.version_free(sdf_shader.shader_version); } //TODO, move back to storage @@ -276,55 +282,6 @@ void TextureStorage::canvas_texture_set_texture_repeat(RID p_canvas_texture, RS: ct->texture_repeat = p_repeat; } -/* CANVAS SHADOW */ - -RID TextureStorage::canvas_light_shadow_buffer_create(int p_width) { - Config *config = Config::get_singleton(); - CanvasLightShadow *cls = memnew(CanvasLightShadow); - - if (p_width > config->max_texture_size) { - p_width = config->max_texture_size; - } - - cls->size = p_width; - cls->height = 16; - - glActiveTexture(GL_TEXTURE0); - - glGenFramebuffers(1, &cls->fbo); - glBindFramebuffer(GL_FRAMEBUFFER, cls->fbo); - - glGenRenderbuffers(1, &cls->depth); - glBindRenderbuffer(GL_RENDERBUFFER, cls->depth); - glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, cls->size, cls->height); - glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, cls->depth); - - glGenTextures(1, &cls->distance); - glBindTexture(GL_TEXTURE_2D, cls->distance); - if (config->use_rgba_2d_shadows) { - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, cls->size, cls->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); - } else { - glTexImage2D(GL_TEXTURE_2D, 0, GL_R32F, cls->size, cls->height, 0, GL_RED, GL_FLOAT, nullptr); - } - - 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, cls->distance, 0); - - GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); - //printf("errnum: %x\n",status); - glBindFramebuffer(GL_FRAMEBUFFER, GLES3::TextureStorage::system_fbo); - - if (status != GL_FRAMEBUFFER_COMPLETE) { - memdelete(cls); - ERR_FAIL_COND_V(status != GL_FRAMEBUFFER_COMPLETE, RID()); - } - - return canvas_light_shadow_owner.make_rid(cls); -} - /* Texture API */ Ref<Image> TextureStorage::_get_gl_image_and_format(const Ref<Image> &p_image, Image::Format p_format, Image::Format &r_real_format, GLenum &r_gl_format, GLenum &r_gl_internal_format, GLenum &r_gl_type, bool &r_compressed, bool p_force_decompress) const { @@ -1657,6 +1614,7 @@ void TextureStorage::_clear_render_target(RenderTarget *rt) { rt->backbuffer = 0; rt->backbuffer_fbo = 0; } + _render_target_clear_sdf(rt); } RID TextureStorage::render_target_create() { @@ -1842,13 +1800,271 @@ 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) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + if (rt->sdf_oversize == p_size && rt->sdf_scale == p_scale) { + return; + } + + rt->sdf_oversize = p_size; + rt->sdf_scale = p_scale; + + _render_target_clear_sdf(rt); +} + +Rect2i TextureStorage::_render_target_get_sdf_rect(const RenderTarget *rt) const { + Size2i margin; + int scale; + switch (rt->sdf_oversize) { + case RS::VIEWPORT_SDF_OVERSIZE_100_PERCENT: { + scale = 100; + } break; + case RS::VIEWPORT_SDF_OVERSIZE_120_PERCENT: { + scale = 120; + } break; + case RS::VIEWPORT_SDF_OVERSIZE_150_PERCENT: { + scale = 150; + } break; + case RS::VIEWPORT_SDF_OVERSIZE_200_PERCENT: { + scale = 200; + } break; + default: { + } + } + + margin = (rt->size * scale / 100) - rt->size; + + Rect2i r(Vector2i(), rt->size); + r.position -= margin; + r.size += margin * 2; + + return r; } Rect2i TextureStorage::render_target_get_sdf_rect(RID p_render_target) const { - return Rect2i(); + const RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND_V(!rt, Rect2i()); + + return _render_target_get_sdf_rect(rt); } void TextureStorage::render_target_mark_sdf_enabled(RID p_render_target, bool p_enabled) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + + rt->sdf_enabled = p_enabled; +} + +bool TextureStorage::render_target_is_sdf_enabled(RID p_render_target) const { + const RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND_V(!rt, false); + + return rt->sdf_enabled; +} + +GLuint TextureStorage::render_target_get_sdf_texture(RID p_render_target) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND_V(!rt, 0); + if (rt->sdf_texture_read == 0) { + Texture *texture = texture_owner.get_or_null(default_gl_textures[DEFAULT_GL_TEXTURE_BLACK]); + return texture->tex_id; + } + + return rt->sdf_texture_read; +} + +void TextureStorage::_render_target_allocate_sdf(RenderTarget *rt) { + ERR_FAIL_COND(rt->sdf_texture_write_fb != 0); + + Size2i size = _render_target_get_sdf_rect(rt).size; + + glGenTextures(1, &rt->sdf_texture_write); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D, rt->sdf_texture_write); + glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, size.width, size.height, 0, GL_RED, GL_UNSIGNED_BYTE, 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_BASE_LEVEL, 0); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1); + 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->sdf_texture_write_fb); + glBindFramebuffer(GL_FRAMEBUFFER, rt->sdf_texture_write_fb); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->sdf_texture_write, 0); + + int scale; + switch (rt->sdf_scale) { + case RS::VIEWPORT_SDF_SCALE_100_PERCENT: { + scale = 100; + } break; + case RS::VIEWPORT_SDF_SCALE_50_PERCENT: { + scale = 50; + } break; + case RS::VIEWPORT_SDF_SCALE_25_PERCENT: { + scale = 25; + } break; + default: { + scale = 100; + } break; + } + + rt->process_size = size * scale / 100; + rt->process_size.x = MAX(rt->process_size.x, 1); + rt->process_size.y = MAX(rt->process_size.y, 1); + + glGenTextures(2, rt->sdf_texture_process); + glBindTexture(GL_TEXTURE_2D, rt->sdf_texture_process[0]); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RG16I, rt->process_size.width, rt->process_size.height, 0, GL_RG_INTEGER, GL_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_BASE_LEVEL, 0); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + glBindTexture(GL_TEXTURE_2D, rt->sdf_texture_process[1]); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RG16I, rt->process_size.width, rt->process_size.height, 0, GL_RG_INTEGER, GL_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_BASE_LEVEL, 0); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + glGenTextures(1, &rt->sdf_texture_read); + glBindTexture(GL_TEXTURE_2D, rt->sdf_texture_read); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, rt->process_size.width, rt->process_size.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); +} + +void TextureStorage::_render_target_clear_sdf(RenderTarget *rt) { + if (rt->sdf_texture_write_fb != 0) { + glDeleteTextures(1, &rt->sdf_texture_read); + glDeleteTextures(1, &rt->sdf_texture_write); + glDeleteTextures(2, rt->sdf_texture_process); + glDeleteFramebuffers(1, &rt->sdf_texture_write_fb); + rt->sdf_texture_read = 0; + rt->sdf_texture_write = 0; + rt->sdf_texture_process[0] = 0; + rt->sdf_texture_process[1] = 0; + rt->sdf_texture_write_fb = 0; + } +} + +GLuint TextureStorage::render_target_get_sdf_framebuffer(RID p_render_target) { + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND_V(!rt, 0); + + if (rt->sdf_texture_write_fb == 0) { + _render_target_allocate_sdf(rt); + } + + return rt->sdf_texture_write_fb; +} +void TextureStorage::render_target_sdf_process(RID p_render_target) { + CopyEffects *copy_effects = CopyEffects::get_singleton(); + + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + ERR_FAIL_COND(rt->sdf_texture_write_fb == 0); + + Rect2i r = _render_target_get_sdf_rect(rt); + + Size2i size = r.size; + int32_t shift = 0; + + bool shrink = false; + + switch (rt->sdf_scale) { + case RS::VIEWPORT_SDF_SCALE_50_PERCENT: { + size[0] >>= 1; + size[1] >>= 1; + shift = 1; + shrink = true; + } break; + case RS::VIEWPORT_SDF_SCALE_25_PERCENT: { + size[0] >>= 2; + size[1] >>= 2; + shift = 2; + shrink = true; + } break; + default: { + }; + } + + GLuint temp_fb; + glGenFramebuffers(1, &temp_fb); + glBindFramebuffer(GL_FRAMEBUFFER, temp_fb); + + // Load + CanvasSdfShaderGLES3::ShaderVariant variant = shrink ? CanvasSdfShaderGLES3::MODE_LOAD_SHRINK : CanvasSdfShaderGLES3::MODE_LOAD; + sdf_shader.shader.version_bind_shader(sdf_shader.shader_version, variant); + sdf_shader.shader.version_set_uniform(CanvasSdfShaderGLES3::BASE_SIZE, r.size, sdf_shader.shader_version, variant); + sdf_shader.shader.version_set_uniform(CanvasSdfShaderGLES3::SIZE, size, sdf_shader.shader_version, variant); + sdf_shader.shader.version_set_uniform(CanvasSdfShaderGLES3::STRIDE, 0, sdf_shader.shader_version, variant); + sdf_shader.shader.version_set_uniform(CanvasSdfShaderGLES3::SHIFT, shift, sdf_shader.shader_version, variant); + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D, rt->sdf_texture_write); + + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->sdf_texture_process[0], 0); + glViewport(0, 0, size.width, size.height); + glEnable(GL_SCISSOR_TEST); + glScissor(0, 0, size.width, size.height); + + copy_effects->draw_screen_triangle(); + + // Process + + int stride = nearest_power_of_2_templated(MAX(size.width, size.height) / 2); + + variant = CanvasSdfShaderGLES3::MODE_PROCESS; + sdf_shader.shader.version_bind_shader(sdf_shader.shader_version, variant); + sdf_shader.shader.version_set_uniform(CanvasSdfShaderGLES3::BASE_SIZE, r.size, sdf_shader.shader_version, variant); + sdf_shader.shader.version_set_uniform(CanvasSdfShaderGLES3::SIZE, size, sdf_shader.shader_version, variant); + sdf_shader.shader.version_set_uniform(CanvasSdfShaderGLES3::STRIDE, stride, sdf_shader.shader_version, variant); + sdf_shader.shader.version_set_uniform(CanvasSdfShaderGLES3::SHIFT, shift, sdf_shader.shader_version, variant); + + bool swap = false; + + //jumpflood + while (stride > 0) { + glBindTexture(GL_TEXTURE_2D, 0); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->sdf_texture_process[swap ? 0 : 1], 0); + glBindTexture(GL_TEXTURE_2D, rt->sdf_texture_process[swap ? 1 : 0]); + + sdf_shader.shader.version_set_uniform(CanvasSdfShaderGLES3::STRIDE, stride, sdf_shader.shader_version, variant); + + copy_effects->draw_screen_triangle(); + + stride /= 2; + swap = !swap; + } + + // Store + variant = shrink ? CanvasSdfShaderGLES3::MODE_STORE_SHRINK : CanvasSdfShaderGLES3::MODE_STORE; + sdf_shader.shader.version_bind_shader(sdf_shader.shader_version, variant); + sdf_shader.shader.version_set_uniform(CanvasSdfShaderGLES3::BASE_SIZE, r.size, sdf_shader.shader_version, variant); + sdf_shader.shader.version_set_uniform(CanvasSdfShaderGLES3::SIZE, size, sdf_shader.shader_version, variant); + sdf_shader.shader.version_set_uniform(CanvasSdfShaderGLES3::STRIDE, stride, sdf_shader.shader_version, variant); + sdf_shader.shader.version_set_uniform(CanvasSdfShaderGLES3::SHIFT, shift, sdf_shader.shader_version, variant); + + glBindTexture(GL_TEXTURE_2D, 0); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->sdf_texture_read, 0); + glBindTexture(GL_TEXTURE_2D, rt->sdf_texture_process[swap ? 1 : 0]); + + copy_effects->draw_screen_triangle(); + + glBindTexture(GL_TEXTURE_2D, 0); + glBindFramebuffer(GL_FRAMEBUFFER, system_fbo); + glDeleteFramebuffers(1, &temp_fb); + glDisable(GL_SCISSOR_TEST); } void TextureStorage::render_target_copy_to_back_buffer(RID p_render_target, const Rect2i &p_region, bool p_gen_mipmaps) { |