jaildesigner-jailgames/jaildoctors_dilemma
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optimitzant textureToRenderer()

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This commit is contained in:
Sergio
2026-03-27 09:46:25 +01:00
parent 92453a6104
commit c5a7c9e70d
10 changed files with 748 additions and 154 deletions
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86
source/core/rendering/screen.cpp
View File

@@ -4,6 +4,7 @@
#include <algorithm> // Para max, min, transform
#include <cctype> // Para toupper
#include <cstring> // Para memcpy
#include <fstream> // Para basic_ostream, operator<<, endl, basic_...
#include <iostream> // Para cerr
#include <iterator> // Para istreambuf_iterator, operator==
@@ -48,7 +49,6 @@ Screen::Screen()
// Ajusta los tamaños
game_surface_dstrect_ = {.x = Options::video.border.width, .y = Options::video.border.height, .w = Options::game.width, .h = Options::game.height};
// adjustWindowSize();
current_palette_ = findPalette(Options::video.palette);
// Define el color del borde para el modo de pantalla completa
@@ -244,21 +244,27 @@ void Screen::adjustWindowSize() {
window_width_ = Options::game.width + (Options::video.border.enabled ? Options::video.border.width * 2 : 0);
window_height_ = Options::game.height + (Options::video.border.enabled ? Options::video.border.height * 2 : 0);
// Establece el nuevo tamaño
// Reservamos memoria una sola vez.
// game_pixel_buffer_ contendrá solo los píxeles del área de juego.
game_pixel_buffer_.resize(static_cast<size_t>(Options::game.width * Options::game.height));
// border_pixel_buffer_ es el buffer que se sube a la GPU (tamaño total ventana).
if (Options::video.border.enabled) {
border_pixel_buffer_.resize(static_cast<size_t>(window_width_ * window_height_));
}
// Lógica de centrado y redimensionado de ventana SDL
if (static_cast<int>(Options::video.fullscreen) == 0) {
int old_width;
int old_height;
SDL_GetWindowSize(window_, &old_width, &old_height);
int old_w, old_h;
SDL_GetWindowSize(window_, &old_w, &old_h);
int old_x, old_y;
SDL_GetWindowPosition(window_, &old_x, &old_y);
int old_pos_x;
int old_pos_y;
SDL_GetWindowPosition(window_, &old_pos_x, &old_pos_y);
const int NEW_POS_X = old_pos_x + ((old_width - (window_width_ * Options::window.zoom)) / 2);
const int NEW_POS_Y = old_pos_y + ((old_height - (window_height_ * Options::window.zoom)) / 2);
const int NEW_X = old_x + ((old_w - (window_width_ * Options::window.zoom)) / 2);
const int NEW_Y = old_y + ((old_h - (window_height_ * Options::window.zoom)) / 2);
SDL_SetWindowSize(window_, window_width_ * Options::window.zoom, window_height_ * Options::window.zoom);
SDL_SetWindowPosition(window_, std::max(NEW_POS_X, WINDOWS_DECORATIONS), std::max(NEW_POS_Y, 0));
SDL_SetWindowPosition(window_, std::max(NEW_X, WINDOWS_DECORATIONS), std::max(NEW_Y, 0));
}
}
@@ -330,42 +336,47 @@ void Screen::surfaceToTexture() { // NOLINT(readability-convert-member-function
// Copia la textura al renderizador (o hace el present GPU)
void Screen::textureToRenderer() {
if (shader_backend_ && shader_backend_->isHardwareAccelerated()) {
// ---- SDL3 GPU path: convertir Surface → ARGB → upload → PostFX/pass-through → present ----
if (Options::video.border.enabled) {
// El border_surface_ solo tiene el color de borde; hay que componer encima el game_surface_
const int BORDER_W = static_cast<int>(border_surface_->getWidth());
const int BORDER_H = static_cast<int>(border_surface_->getHeight());
pixel_buffer_.resize(static_cast<size_t>(BORDER_W * BORDER_H));
border_surface_->toARGBBuffer(pixel_buffer_.data());
const int GAME_W = Options::game.width;
const int GAME_H = Options::game.height;
// Compositar game_surface_ en la posición correcta dentro del buffer
const int GAME_W = static_cast<int>(game_surface_->getWidth());
const int GAME_H = static_cast<int>(game_surface_->getHeight());
if (Options::video.border.enabled) {
// 1. Volcamos la Surface del borde al buffer (aquí van las franjas de carga)
// Esto es mucho más rápido que un bucle manual
border_surface_->toARGBBuffer(border_pixel_buffer_.data());
// 2. Extraemos los píxeles del juego
game_surface_->toARGBBuffer(game_pixel_buffer_.data());
// 3. Superponemos el juego sobre el borde (Composición por filas)
const int BORDER_W = window_width_;
const int OFF_X = static_cast<int>(game_surface_dstrect_.x);
const int OFF_Y = static_cast<int>(game_surface_dstrect_.y);
std::vector<Uint32> game_pixels(static_cast<size_t>(GAME_W * GAME_H));
game_surface_->toARGBBuffer(game_pixels.data());
for (int y = 0; y < GAME_H; ++y) {
for (int x = 0; x < GAME_W; ++x) {
pixel_buffer_[static_cast<size_t>(((OFF_Y + y) * BORDER_W) + (OFF_X + x))] = game_pixels[static_cast<size_t>((y * GAME_W) + x)];
}
// Puntero de origen (fila Y del juego)
const Uint32* src = &game_pixel_buffer_[y * GAME_W];
// Puntero de destino (fila Y + offset en el buffer global)
Uint32* dst = &border_pixel_buffer_[(OFF_Y + y) * BORDER_W + OFF_X];
// Copia de bloque de memoria (muy eficiente)
std::memcpy(dst, src, GAME_W * sizeof(Uint32));
}
shader_backend_->uploadPixels(pixel_buffer_.data(), BORDER_W, BORDER_H);
// 4. Subida final de un único buffer completo
shader_backend_->uploadPixels(border_pixel_buffer_.data(), BORDER_W, window_height_);
} else {
const int GAME_W = static_cast<int>(game_surface_->getWidth());
const int GAME_H = static_cast<int>(game_surface_->getHeight());
pixel_buffer_.resize(static_cast<size_t>(GAME_W * GAME_H));
game_surface_->toARGBBuffer(pixel_buffer_.data());
shader_backend_->uploadPixels(pixel_buffer_.data(), GAME_W, GAME_H);
// Caso sin borde: subida directa simplificada
game_surface_->toARGBBuffer(game_pixel_buffer_.data());
shader_backend_->uploadPixels(game_pixel_buffer_.data(), GAME_W, GAME_H);
}
shader_backend_->render();
} else {
// ---- SDL_Renderer path (fallback / no-shader) ----
SDL_Texture* texture_to_render = Options::video.border.enabled ? border_texture_ : game_texture_;
// Fallback SDL_Renderer (mantiene tu lógica de texturas SDL)
SDL_Texture* tex = Options::video.border.enabled ? border_texture_ : game_texture_;
SDL_SetRenderTarget(renderer_, nullptr);
SDL_SetRenderDrawColor(renderer_, 0x00, 0x00, 0x00, 0xFF);
SDL_RenderClear(renderer_);
SDL_RenderTexture(renderer_, texture_to_render, nullptr, nullptr);
SDL_RenderTexture(renderer_, tex, nullptr, nullptr);
SDL_RenderPresent(renderer_);
}
}
@@ -634,7 +645,6 @@ auto Screen::initSDLVideo() -> bool {
void Screen::createText() { // NOLINT(readability-convert-member-functions-to-static)
// Carga la surface de la fuente directamente del archivo
auto surface = std::make_shared<Surface>(Resource::List::get()->get("aseprite.gif"));
//surface->setTransparentColor(static_cast<Uint8>(PaletteColor::BLACK));
// Crea el objeto de texto (el constructor de Text carga el archivo text_file internamente)
text_ = std::make_shared<Text>(surface, Resource::List::get()->get("aseprite.fnt"));

4
source/core/rendering/screen.hpp
View File

@@ -139,6 +139,10 @@ class Screen {
std::unique_ptr<Rendering::ShaderBackend> shader_backend_; // Backend de shaders (OpenGL/Metal/Vulkan)
std::shared_ptr<Text> text_; // Objeto para escribir texto
// Buffers persistentes para evitar .resize() cada frame
std::vector<Uint32> game_pixel_buffer_; // Textura de juego
std::vector<Uint32> border_pixel_buffer_; // Textura de borde
// Configuración de ventana y pantalla
int window_width_{0}; // Ancho de la pantalla o ventana
int window_height_{0}; // Alto de la pantalla o ventana

9
source/core/rendering/sdl3gpu/sdl3gpu_shader.cpp
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@@ -788,7 +788,9 @@ namespace Rendering {
}
SDL_Log("SDL3GPUShader: reinit — scene %dx%d, SS %s (scaled se creará en render)",
game_width_, game_height_, oversample_ > 1 ? "on" : "off");
game_width_,
game_height_,
oversample_ > 1 ? "on" : "off");
return true;
}
@@ -827,7 +829,10 @@ namespace Rendering {
scaled_texture_ = SDL_CreateGPUTexture(device_, &info);
if (scaled_texture_ == nullptr) {
SDL_Log("SDL3GPUShader: failed to create scaled texture %dx%d (factor %d): %s",
W, H, factor, SDL_GetError());
W,
H,
factor,
SDL_GetError());
return false;
}
ss_factor_ = factor;

20
source/core/rendering/sdl3gpu/sdl3gpu_shader.hpp
View File

@@ -80,26 +80,26 @@ namespace Rendering {
Uint32 num_uniform_buffers) -> SDL_GPUShader*;
auto createPipeline() -> bool;
auto reinitTexturesAndBuffer() -> bool; // Recrea scene_texture_ y upload_buffer_
auto recreateScaledTexture(int factor) -> bool; // Recrea scaled_texture_ para factor dado
static auto calcSsFactor(float zoom) -> int; // Primer múltiplo de 3 >= zoom (mín 3)
auto reinitTexturesAndBuffer() -> bool; // Recrea scene_texture_ y upload_buffer_
auto recreateScaledTexture(int factor) -> bool; // Recrea scaled_texture_ para factor dado
static auto calcSsFactor(float zoom) -> int; // Primer múltiplo de 3 >= zoom (mín 3)
SDL_Window* window_ = nullptr;
SDL_GPUDevice* device_ = nullptr;
SDL_GPUGraphicsPipeline* pipeline_ = nullptr; // PostFX pass
SDL_GPUGraphicsPipeline* upscale_pipeline_ = nullptr; // Upscale nearest pass (solo con SS)
SDL_GPUTexture* scene_texture_ = nullptr; // Canvas del juego (game_width_ × game_height_)
SDL_GPUTexture* scaled_texture_ = nullptr; // Render target intermedio (win*SS × win*SS), solo con SS
SDL_GPUGraphicsPipeline* pipeline_ = nullptr; // PostFX pass
SDL_GPUGraphicsPipeline* upscale_pipeline_ = nullptr; // Upscale nearest pass (solo con SS)
SDL_GPUTexture* scene_texture_ = nullptr; // Canvas del juego (game_width_ × game_height_)
SDL_GPUTexture* scaled_texture_ = nullptr; // Render target intermedio (win*SS × win*SS), solo con SS
SDL_GPUTransferBuffer* upload_buffer_ = nullptr;
SDL_GPUSampler* sampler_ = nullptr; // NEAREST
SDL_GPUSampler* linear_sampler_ = nullptr; // LINEAR
PostFXUniforms uniforms_{.vignette_strength = 0.6F, .chroma_strength = 0.15F, .scanline_strength = 0.7F, .screen_height = 192.0F, .pixel_scale = 1.0F, .oversample = 1.0F};
int game_width_ = 0; // Dimensiones originales del canvas
int game_width_ = 0; // Dimensiones originales del canvas
int game_height_ = 0;
int ss_factor_ = 0; // Factor SS activo (3, 6, 9...) o 0 si SS desactivado
int oversample_ = 1; // SS on/off (1 = off, >1 = on)
int ss_factor_ = 0; // Factor SS activo (3, 6, 9...) o 0 si SS desactivado
int oversample_ = 1; // SS on/off (1 = off, >1 = on)
bool is_initialized_ = false;
bool vsync_ = true;
bool integer_scale_ = false;

681
source/core/rendering/sdl3gpu/upscale_frag_spv.h
View File

@@ -2,58 +2,633 @@
#include <cstddef>
#include <cstdint>
static const uint8_t kupscale_frag_spv[] = {
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static const size_t kupscale_frag_spv_size = 628;

16
source/core/rendering/surface.cpp
View File

@@ -104,7 +104,7 @@ Surface::Surface(const std::string& file_path)
}
// Carga una superficie desde un archivo
auto Surface::loadSurface(const std::string& file_path) -> SurfaceData { // NOLINT(readability-convert-member-functions-to-static)
auto Surface::loadSurface(const std::string& file_path) -> SurfaceData { // NOLINT(readability-convert-member-functions-to-static)
// Load file using ResourceHelper (supports both filesystem and pack)
std::vector<Uint8> buffer = Resource::Helper::loadFile(file_path);
if (buffer.empty()) {
@@ -148,14 +148,14 @@ void Surface::setColor(int index, Uint32 color) {
}
// Rellena la superficie con un color
void Surface::clear(Uint8 color) { // NOLINT(readability-convert-member-functions-to-static)
void Surface::clear(Uint8 color) { // NOLINT(readability-convert-member-functions-to-static)
const size_t TOTAL_PIXELS = surface_data_->width * surface_data_->height;
Uint8* data_ptr = surface_data_->data.get();
std::fill(data_ptr, data_ptr + TOTAL_PIXELS, color);
}
// Pone un pixel en la SurfaceData
void Surface::putPixel(int x, int y, Uint8 color) { // NOLINT(readability-convert-member-functions-to-static)
void Surface::putPixel(int x, int y, Uint8 color) { // NOLINT(readability-convert-member-functions-to-static)
if (x < 0 || y < 0 || x >= surface_data_->width || y >= surface_data_->height) {
return; // Coordenadas fuera de rango
}
@@ -168,7 +168,7 @@ void Surface::putPixel(int x, int y, Uint8 color) { // NOLINT(readability-conver
auto Surface::getPixel(int x, int y) -> Uint8 { return surface_data_->data.get()[x + (y * static_cast<int>(surface_data_->width))]; }
// Dibuja un rectangulo relleno
void Surface::fillRect(const SDL_FRect* rect, Uint8 color) { // NOLINT(readability-convert-member-functions-to-static)
void Surface::fillRect(const SDL_FRect* rect, Uint8 color) { // NOLINT(readability-convert-member-functions-to-static)
// Limitar los valores del rectángulo al tamaño de la superficie
float x_start = std::max(0.0F, rect->x);
float y_start = std::max(0.0F, rect->y);
@@ -185,7 +185,7 @@ void Surface::fillRect(const SDL_FRect* rect, Uint8 color) { // NOLINT(readabili
}
// Dibuja el borde de un rectangulo
void Surface::drawRectBorder(const SDL_FRect* rect, Uint8 color) { // NOLINT(readability-convert-member-functions-to-static)
void Surface::drawRectBorder(const SDL_FRect* rect, Uint8 color) { // NOLINT(readability-convert-member-functions-to-static)
// Limitar los valores del rectángulo al tamaño de la superficie
float x_start = std::max(0.0F, rect->x);
float y_start = std::max(0.0F, rect->y);
@@ -216,7 +216,7 @@ void Surface::drawRectBorder(const SDL_FRect* rect, Uint8 color) { // NOLINT(rea
}
// Dibuja una linea
void Surface::drawLine(float x1, float y1, float x2, float y2, Uint8 color) { // NOLINT(readability-convert-member-functions-to-static)
void Surface::drawLine(float x1, float y1, float x2, float y2, Uint8 color) { // NOLINT(readability-convert-member-functions-to-static)
// Calcula las diferencias
float dx = std::abs(x2 - x1);
float dy = std::abs(y2 - y1);
@@ -250,7 +250,7 @@ void Surface::drawLine(float x1, float y1, float x2, float y2, Uint8 color) { //
}
}
void Surface::render(float dx, float dy, float sx, float sy, float w, float h) { // NOLINT(readability-make-member-function-const)
void Surface::render(float dx, float dy, float sx, float sy, float w, float h) { // NOLINT(readability-make-member-function-const)
auto surface_data = Screen::get()->getRendererSurface()->getSurfaceData();
// Limitar la región para evitar accesos fuera de rango en origen
@@ -279,7 +279,7 @@ void Surface::render(float dx, float dy, float sx, float sy, float w, float h) {
}
}
void Surface::render(int x, int y, SDL_FRect* src_rect, SDL_FlipMode flip) { // NOLINT(readability-make-member-function-const)
void Surface::render(int x, int y, SDL_FRect* src_rect, SDL_FlipMode flip) { // NOLINT(readability-make-member-function-const)
auto surface_data_dest = Screen::get()->getRendererSurface()->getSurfaceData();
// Determina la región de origen (clip) a renderizar