Window manager and compositor - 图形窗口合成器

/* * Copyright (c) 2021-2022 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "../include/context/webgl2_rendering_context_base.h" #include "../../common/napi/n_func_arg.h" #include "../../common/napi/n_class.h" #include "../include/webgl/webgl_active_info.h" #include "../include/webgl/webgl_shader.h" #include "../include/webgl/webgl_buffer.h" #include "../include/webgl/webgl_framebuffer.h" #include "../include/webgl/webgl_program.h" #include "../include/webgl/webgl_renderbuffer.h" #include "../include/webgl/webgl_texture.h" #include "../include/webgl/webgl_sync.h" #include "../include/webgl/webgl_sampler.h" #include "../include/webgl/webgl_query.h" #include "../include/webgl/webgl_transform_feedback.h" #include "../include/webgl/webgl_uniform_location.h" #include "../include/webgl/webgl_vertex_array_object.h" #include "../include/util/log.h" #include "../include/util/util.h" #ifdef __cplusplus extern "C" { #endif namespace OHOS { namespace Rosen { namespace { const int UNIFORM_NAMES_MAX_LENGTH = 1000; } using namespace std; napi_value WebGL2RenderingContextBase::DrawBuffers(napi_env env, napi_callback_info info) { NFuncArg funcArg(env, info); if (!funcArg.InitArgs(NARG_CNT::ONE)) { return nullptr; } LOGI("WebGL2 drawBuffers start"); napi_value array = funcArg[NARG_POS::FIRST]; bool isArray = false; bool succ = false; tie(succ, isArray) = NVal(env, array).IsArray(); if (!isArray || !succ) { return nullptr; } uint32_t length; napi_status lengthStatus = napi_get_array_length(env, array, &length); if (lengthStatus != napi_ok) { return nullptr; } int64_t drawBuffers[length]; uint32_t i; for (i = 0; i < length; i++) { napi_value element; napi_status eleStatus = napi_get_element(env, array, i, &element); if (eleStatus != napi_ok) { return nullptr; } int64_t ele; napi_status intStatus = napi_get_value_int64(env, element, &ele); if (intStatus != napi_ok) { return nullptr; } drawBuffers[i] = ele; } glDrawBuffers(static_cast<GLsizei>(length), reinterpret_cast<GLenum *>(drawBuffers)); LOGI("WebGL2 drawBuffers end"); return nullptr; } napi_value WebGL2RenderingContextBase::ClearBufferfv(napi_env env, napi_callback_info info) { NFuncArg funcArg(env, info); if (!funcArg.InitArgs(NARG_CNT::THREE, NARG_CNT::FOUR)) { return nullptr; } LOGI("WebGL2 clearBufferfv start"); bool succ = false; int64_t buffer; tie(succ, buffer) = NVal(env, funcArg[NARG_POS::FIRST]).ToInt64(); if (!succ) { return nullptr; } LOGI("WebGL2 WebGL2RenderingContextBase::clearBufferfv buffer = %{public}u", buffer); int64_t drawbuffer; tie(succ, drawbuffer) = NVal(env, funcArg[NARG_POS::SECOND]).ToInt64(); if (!succ) { return nullptr; } LOGI("WebGL2 WebGL2RenderingContextBase::clearBufferfv drawbuffer = %{public}u", drawbuffer); if (funcArg[NARG_POS::THIRD] == nullptr) { return nullptr; } int64_t srcOffset = 0; if (funcArg[NARG_POS::FOURTH] != nullptr) { tie(succ, srcOffset) = NVal(env, funcArg[NARG_POS::FOURTH]).ToInt64(); if (!succ) { return nullptr; } LOGI("WebGL2 WebGL2RenderingContextBase::clearBufferfv srcOffset = %{public}u", srcOffset); } napi_value array = funcArg[NARG_POS::THIRD]; bool isArray = false; tie(succ, isArray) = NVal(env, array).IsArray(); if (isArray) { uint32_t length; napi_status lengthStatus = napi_get_array_length(env, array, &length); if (lengthStatus != napi_ok) { return nullptr; } float clearBufferfv[length]; uint32_t i; for (i = 0; i < length; i++) { napi_value element; napi_status eleStatus = napi_get_element(env, array, i, &element); if (eleStatus != napi_ok) { return nullptr; } double ele; napi_status doubleStatus = napi_get_value_double(env, element, &ele); if (doubleStatus != napi_ok) { return nullptr; } clearBufferfv[i] = static_cast<float>(ele); } glClearBufferfv(static_cast<GLenum>(buffer), static_cast<GLint>(drawbuffer), reinterpret_cast<GLfloat *>(clearBufferfv + srcOffset)); LOGI("WebGL2 clearBufferfv array end"); return nullptr; } bool isTypedarray = false; tie(succ, isTypedarray) = NVal(env, array).IsTypeArray(); if (!isTypedarray || !succ) { return nullptr; } void *data = nullptr; size_t length; napi_typedarray_type type; tie(succ, type, data, length) = NVal(env, array).ToTypedArray(); if (!succ) { return nullptr; } if (type == napi_float32_array) { float inputFloat[INPUTFLOAT_LENGTH] = {0}; errno_t ret = memcpy_s(inputFloat, sizeof(inputFloat), reinterpret_cast<uint8_t*>(data) + srcOffset, length); if (ret != EOK) { LOGE("WebGL2 clearBufferfv memcpy_s failed"); return nullptr; } glClearBufferfv(static_cast<GLenum>(buffer), static_cast<GLint>(drawbuffer), reinterpret_cast<GLfloat *>(inputFloat)); } LOGI("WebGL2 clearBufferfv typeArray end"); return nullptr; } napi_value WebGL2RenderingContextBase::ClearBufferiv(napi_env env, napi_callback_info info) { NFuncArg funcArg(env, info); if (!funcArg.InitArgs(NARG_CNT::THREE, NARG_CNT::FOUR)) { return nullptr; } LOGI("WebGL2 clearBufferiv start"); bool succ = false; int64_t buffer; tie(succ, buffer) = NVal(env, funcArg[NARG_POS::FIRST]).ToInt64(); if (!succ) { return nullptr; } LOGI("WebGL2 WebGL2RenderingContextBase::clearBufferiv buffer = %{public}u", buffer); int64_t drawbuffer; tie(succ, drawbuffer) = NVal(env, funcArg[NARG_POS::SECOND]).ToInt64(); if (!succ) { return nullptr; } LOGI("WebGL2 WebGL2RenderingContextBase::clearBufferiv drawbuffer = %{public}u", drawbuffer); if (funcArg[NARG_POS::THIRD] == nullptr) { return nullptr; } int64_t srcOffset = 0; if (funcArg[NARG_POS::FOURTH] != nullptr) { tie(succ, srcOffset) = NVal(env, funcArg[NARG_POS::FOURTH]).ToInt64(); if (!succ) { return nullptr; } LOGI("WebGL2 WebGL2RenderingContextBase::clearBufferiv srcOffset = %{public}u", srcOffset); } napi_value array = funcArg[NARG_POS::THIRD]; bool isArray = false; tie(succ, isArray) = NVal(env, array).IsArray(); if (isArray) { uint32_t length; napi_status lengthStatus = napi_get_array_length(env, array, &length); if (lengthStatus != napi_ok) { return nullptr; } int64_t clearBufferiv[length]; uint32_t i; for (i = 0; i < length; i++) { napi_value element; napi_status eleStatus = napi_get_element(env, array, i, &element); if (eleStatus != napi_ok) { return nullptr; } int64_t ele; napi_status intStatus = napi_get_value_int64(env, element, &ele); if (intStatus != napi_ok) { return nullptr; } clearBufferiv[i] = ele; }