Nanako/SDL3Test
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测试代码

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This commit is contained in:
daiqingshuang
2025-06-06 18:26:22 +08:00
parent 34a91c6792
commit b532ce2f24
8 changed files with 1037 additions and 3 deletions
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26
src/main.cpp
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@@ -6,6 +6,7 @@
#include "SDL3/SDL_video.h"
#include "SDL3/SDL_log.h"
#include "SDL3/SDL_timer.h"
#include "SDL3/SDL_gpu.h"
#include "SDL3_ttf/SDL_ttf.h"
int main(int argc, char* argv[]) {
@@ -15,12 +16,13 @@ int main(int argc, char* argv[]) {
SDL_Log("Could not create window: %s", SDL_GetError());
return 1;
}
SDL_Renderer* renderer = SDL_CreateRenderer(window, "direct3d11");
SDL_Renderer* renderer = SDL_CreateRenderer(window, "direct3d12,metal,vulkan");
if (renderer == nullptr) {
SDL_Log("Could not create renderer: %s", SDL_GetError());
SDL_DestroyWindow(window);
return 1;
}
auto gpu_device = (SDL_GPUDevice*)SDL_GetPointerProperty(SDL_GetRendererProperties(renderer), SDL_PROP_RENDERER_GPU_DEVICE_POINTER, NULL);
TTF_Init();
@@ -32,7 +34,7 @@ int main(int argc, char* argv[]) {
return 1;
}
// 设置字体hinting为轻量级
TTF_SetFontHinting(font, TTF_HINTING_LIGHT);
TTF_SetFontHinting(font, TTF_HINTING_LIGHT_SUBPIXEL);
// 设置字体为 SDF 模式
// TTF_SetFontSDF(font, true);
// 设置渲染器的混合模式
@@ -40,7 +42,7 @@ int main(int argc, char* argv[]) {
SDL_Color color = { 255, 255, 255, 255 }; // 白色文字
SDL_Color bg_color = { 0, 0, 0, 255 }; // 背景颜色
auto text_surface = TTF_RenderText_LCD_Wrapped(font, "Hello World!\n你好，世界！", 0, color, bg_color, 0);
auto text_surface = TTF_RenderText_LCD_Wrapped(font, "Hello World!\n你好，世界！🆒", 0, color, bg_color, 0);
if (text_surface == nullptr) {
SDL_Log("Could not render text: %s", SDL_GetError());
TTF_CloseFont(font);
@@ -65,6 +67,23 @@ int main(int argc, char* argv[]) {
SDL_GetTextureSize(texture, &text_width, &text_height);
SDL_FRect dest_rect = { 0, 0, text_width, text_height };
SDL_GPUShaderCreateInfo shader_info;
shader_info.code_size = 10;
shader_info.code = nullptr; // 这里需要填入实际的着色器代码
shader_info.entrypoint = "main";
shader_info.format = SDL_GPU_SHADERFORMAT_DXIL;
shader_info.stage = SDL_GPU_SHADERSTAGE_FRAGMENT;
shader_info.num_samplers = 0;
shader_info.num_storage_textures = 0;
shader_info.num_uniform_buffers = 0;
shader_info.num_storage_buffers = 0;
auto shader = SDL_CreateGPUShader(gpu_device, &shader_info);
SDL_GPURenderStateDesc desc;
SDL_INIT_INTERFACE(&desc);
desc.fragment_shader = shader;
auto render_state = SDL_CreateGPURenderState(renderer, &desc);
SDL_Event e;
bool running = true;
while (running) {
@@ -79,6 +98,7 @@ int main(int argc, char* argv[]) {
SDL_RenderClear(renderer); // 先清屏
SDL_RenderTexture(renderer, texture, nullptr, &dest_rect); // 然后绘制文字
SDL_RenderPresent(renderer); // 最后呈现
SDL_RenderLines(renderer, nullptr, 0); // 确保没有多余的线条
std::this_thread::sleep_for(std::chrono::milliseconds(16)); // ~60 FPS
}