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fix: shaders on i off no afectaven a crtpi

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This commit is contained in:
Sergio
2026-04-16 19:26:45 +02:00
parent 52431adb0e
commit a36662ac6e
3 changed files with 62 additions and 32 deletions
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53
source/core/rendering/screen.cpp
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@@ -145,11 +145,22 @@ void Screen::present(Uint32* pixel_data) {
shader_backend_->uploadPixels(pixel_data, GAME_WIDTH, GAME_HEIGHT);
shader_backend_->render();
} else if (shader_backend_ && shader_backend_->isHardwareAccelerated()) {
// GPU activa però shaders desactivats: renderitza net (sense efectes)
// GPU activa però shaders desactivats: renderitza net (sense efectes).
// Força POSTFX amb params zerats — altrament, si l'actiu és CRTPI,
// els seus efectes (scanlines, curvatura) seguirien aplicant-se encara
// que shader_enabled sigui false. Restaurem l'actiu al final per a
// no trencar la selecció de l'usuari.
Rendering::PostFXParams clean{};
shader_backend_->setPostFXParams(clean);
const auto prev_shader = shader_backend_->getActiveShader();
if (prev_shader != Rendering::ShaderType::POSTFX) {
shader_backend_->setActiveShader(Rendering::ShaderType::POSTFX);
}
shader_backend_->uploadPixels(pixel_data, GAME_WIDTH, GAME_HEIGHT);
shader_backend_->render();
if (prev_shader != Rendering::ShaderType::POSTFX) {
shader_backend_->setActiveShader(prev_shader);
}
} else {
// Fallback SDL_Renderer
SDL_UpdateTexture(texture_, nullptr, pixel_data, GAME_WIDTH * sizeof(Uint32));
@@ -192,10 +203,16 @@ void Screen::toggleShaders() {
}
}
void Screen::toggleSupersampling() {
if (!shader_backend_ || !shader_backend_->isHardwareAccelerated()) return;
auto Screen::toggleSupersampling() -> bool {
// SS només té sentit amb shaders on i pipeline PostFX (el Lanczos downscale
// i el camí SS s'apliquen al pas de PostFX; CRTPI fa el seu propi
// submostreig intern i no usa aquesta via).
if (!shader_backend_ || !shader_backend_->isHardwareAccelerated()) return false;
if (!Options::video.shader_enabled) return false;
if (shader_backend_->getActiveShader() != Rendering::ShaderType::POSTFX) return false;
Options::video.supersampling = !Options::video.supersampling;
shader_backend_->setOversample(Options::video.supersampling ? 3 : 1);
return true;
}
void Screen::toggleAspectRatio() {
@@ -244,8 +261,9 @@ void Screen::cycleTextureFilter(int dir) {
}
}
void Screen::nextShaderType() {
if (!shader_backend_ || !shader_backend_->isHardwareAccelerated()) return;
auto Screen::nextShaderType() -> bool {
if (!shader_backend_ || !shader_backend_->isHardwareAccelerated()) return false;
if (!Options::video.shader_enabled) return false;
if (shader_backend_->getActiveShader() == Rendering::ShaderType::POSTFX) {
shader_backend_->setActiveShader(Rendering::ShaderType::CRTPI);
@@ -256,45 +274,50 @@ void Screen::nextShaderType() {
Options::video.current_shader = "postfx";
applyCurrentPostFXPreset();
}
return true;
}
void Screen::nextPreset() {
if (!shader_backend_ || !shader_backend_->isHardwareAccelerated()) return;
auto Screen::nextPreset() -> bool {
if (!shader_backend_ || !shader_backend_->isHardwareAccelerated()) return false;
if (!Options::video.shader_enabled) return false;
if (shader_backend_->getActiveShader() == Rendering::ShaderType::POSTFX) {
if (Options::postfx_presets.empty()) return;
if (Options::postfx_presets.empty()) return false;
Options::current_postfx_preset = (Options::current_postfx_preset + 1) % static_cast<int>(Options::postfx_presets.size());
Options::video.current_postfx_preset = Options::postfx_presets[Options::current_postfx_preset].name;
applyCurrentPostFXPreset();
} else {
if (Options::crtpi_presets.empty()) return;
if (Options::crtpi_presets.empty()) return false;
Options::current_crtpi_preset = (Options::current_crtpi_preset + 1) % static_cast<int>(Options::crtpi_presets.size());
Options::video.current_crtpi_preset = Options::crtpi_presets[Options::current_crtpi_preset].name;
applyCurrentCrtPiPreset();
}
return true;
}
void Screen::prevShaderType() {
auto Screen::prevShaderType() -> bool {
// Només dues opcions — prev == next
nextShaderType();
return nextShaderType();
}
void Screen::prevPreset() {
if (!shader_backend_ || !shader_backend_->isHardwareAccelerated()) return;
auto Screen::prevPreset() -> bool {
if (!shader_backend_ || !shader_backend_->isHardwareAccelerated()) return false;
if (!Options::video.shader_enabled) return false;
if (shader_backend_->getActiveShader() == Rendering::ShaderType::POSTFX) {
if (Options::postfx_presets.empty()) return;
if (Options::postfx_presets.empty()) return false;
int n = static_cast<int>(Options::postfx_presets.size());
Options::current_postfx_preset = (Options::current_postfx_preset - 1 + n) % n;
Options::video.current_postfx_preset = Options::postfx_presets[Options::current_postfx_preset].name;
applyCurrentPostFXPreset();
} else {
if (Options::crtpi_presets.empty()) return;
if (Options::crtpi_presets.empty()) return false;
int n = static_cast<int>(Options::crtpi_presets.size());
Options::current_crtpi_preset = (Options::current_crtpi_preset - 1 + n) % n;
Options::video.current_crtpi_preset = Options::crtpi_presets[Options::current_crtpi_preset].name;
applyCurrentCrtPiPreset();
}
return true;
}
auto Screen::getCurrentPresetName() const -> const char* {

18
source/core/rendering/screen.hpp
View File

@@ -23,16 +23,20 @@ class Screen {
void setZoom(int zoom);
// Shaders i vídeo
// Mètodes que depenen d'una precondició (GPU present, shaders on, etc.)
// retornen `bool`: true si l'acció s'ha aplicat, false si la precondició
// no es complia. Els callers (F-keys, menú) poden suprimir notificacions
// o feedback quan la crida no ha tingut efecte.
void toggleShaders();
void toggleSupersampling();
auto toggleSupersampling() -> bool; // false si GPU off / shaders off / actiu != POSTFX
void toggleAspectRatio();
void cycleScalingMode(int dir); // Cicla DISABLED/STRETCH/LETTERBOX/OVERSCAN/INTEGER
void cycleScalingMode(int dir); // Cicla DISABLED/STRETCH/LETTERBOX/OVERSCAN/INTEGER
void toggleVSync();
void cycleTextureFilter(int dir); // Cicla NEAREST/LINEAR
void nextShaderType(); // Cicla PostFX ↔ CrtPi (F7)
void prevShaderType(); // Cicla al revés
void nextPreset(); // Cicla presets del shader actiu (F8)
void prevPreset(); // Cicla presets al revés
void cycleTextureFilter(int dir); // Cicla NEAREST/LINEAR
auto nextShaderType() -> bool; // false si GPU off / shaders off
auto prevShaderType() -> bool; // idem
auto nextPreset() -> bool; // false si GPU off / shaders off
auto prevPreset() -> bool; // idem
[[nodiscard]] auto getCurrentPresetName() const -> const char*;
void setActiveShader(Rendering::ShaderType type);
void applyCurrentPostFXPreset();