jaildesigner-jailgames/jaildoctors_dilemma
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permet escollir driver de gpu o no escollir-ne cap

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This commit is contained in:
Sergio
2026-03-28 01:14:41 +01:00
parent 02c1bf647e
commit 348a76090b
8 changed files with 90 additions and 1 deletions
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1
source/core/rendering/screen.cpp
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@@ -578,6 +578,7 @@ void Screen::initShaders() {
if (!shader_backend_) {
shader_backend_ = std::make_unique<Rendering::SDL3GPUShader>();
shader_backend_->setPreferredDriver(Options::video.gpu_preferred_driver);
}
shader_backend_->init(window_, tex, "", "");
gpu_driver_ = shader_backend_->getDriverName();

1
source/core/rendering/screen.hpp
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@@ -74,6 +74,7 @@ class Screen {
auto getBorderSurface() -> std::shared_ptr<Surface>;
[[nodiscard]] auto getText() const -> std::shared_ptr<Text> { return text_; }
[[nodiscard]] auto getGameSurfaceDstRect() const -> SDL_FRect { return game_surface_dstrect_; }
[[nodiscard]] auto getGPUDriver() const -> const std::string& { return gpu_driver_; }
private:
// Estructuras

12
source/core/rendering/sdl3gpu/sdl3gpu_shader.cpp
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@@ -269,13 +269,23 @@ namespace Rendering {
// ----------------------------------------------------------------
// 1. Create GPU device (solo si no existe ya)
// ----------------------------------------------------------------
if (preferred_driver_ == "none") {
SDL_Log("SDL3GPUShader: GPU disabled by config, using SDL_Renderer fallback");
driver_name_ = "none";
return false;
}
if (device_ == nullptr) {
#ifdef __APPLE__
const SDL_GPUShaderFormat PREFERRED = SDL_GPU_SHADERFORMAT_MSL | SDL_GPU_SHADERFORMAT_METALLIB;
#else
const SDL_GPUShaderFormat PREFERRED = SDL_GPU_SHADERFORMAT_SPIRV;
#endif
device_ = SDL_CreateGPUDevice(PREFERRED, false, nullptr);
const char* preferred = preferred_driver_.empty() ? nullptr : preferred_driver_.c_str();
device_ = SDL_CreateGPUDevice(PREFERRED, false, preferred);
if (device_ == nullptr && preferred != nullptr) {
SDL_Log("SDL3GPUShader: driver '%s' not available, falling back to auto", preferred);
device_ = SDL_CreateGPUDevice(PREFERRED, false, nullptr);
}
if (device_ == nullptr) {
SDL_Log("SDL3GPUShader: SDL_CreateGPUDevice failed: %s", SDL_GetError());
return false;

4
source/core/rendering/sdl3gpu/sdl3gpu_shader.hpp
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@@ -58,6 +58,9 @@ namespace Rendering {
[[nodiscard]] auto isHardwareAccelerated() const -> bool override { return is_initialized_; }
[[nodiscard]] auto getDriverName() const -> std::string override { return driver_name_; }
// Establece el driver GPU preferido (vacío = auto). Debe llamarse antes de init().
void setPreferredDriver(const std::string& driver) override { preferred_driver_ = driver; }
// Sube píxeles ARGB8888 desde CPU; llamado antes de render()
void uploadPixels(const Uint32* pixels, int width, int height) override;
@@ -121,6 +124,7 @@ namespace Rendering {
int oversample_ = 1; // SS on/off (1 = off, >1 = on)
int downscale_algo_ = 1; // 0 = bilinear legacy, 1 = Lanczos2, 2 = Lanczos3
std::string driver_name_;
std::string preferred_driver_; // Driver preferido; vacío = auto (SDL elige)
bool is_initialized_ = false;
bool vsync_ = true;
bool integer_scale_ = false;

6
source/core/rendering/shader_backend.hpp
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@@ -116,6 +116,12 @@ namespace Rendering {
* @return Cadena vacía si no disponible
*/
[[nodiscard]] virtual auto getDriverName() const -> std::string { return {}; }
/**
* @brief Establece el driver GPU preferido antes de init().
* Vacío = selección automática de SDL. Implementado en SDL3GPUShader.
*/
virtual void setPreferredDriver(const std::string& /*driver*/) {}
};
} // namespace Rendering