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sdl3gpu

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This commit is contained in:
Sergio
2026-04-17 19:04:44 +02:00
parent 5fec0110b3
commit 1bb0ebdef8
30 changed files with 45791 additions and 23 deletions
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77
CMakeLists.txt
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@@ -30,6 +30,12 @@ set(DIR_SOURCES "${CMAKE_SOURCE_DIR}/source")
file(GLOB_RECURSE SOURCES CONFIGURE_DEPENDS "${DIR_SOURCES}/*.cpp")
list(FILTER SOURCES EXCLUDE REGEX "${DIR_SOURCES}/external/.*")
# En Emscripten no compilamos sdl3gpu_shader (SDL3 GPU no está soportado en WebGL2).
# Define NO_SHADERS más abajo y filtra el fuente aquí.
if(EMSCRIPTEN)
list(REMOVE_ITEM SOURCES "${DIR_SOURCES}/core/rendering/sdl3gpu/sdl3gpu_shader.cpp")
endif()
# Verificar si se encontraron archivos fuente
if(NOT SOURCES)
message(FATAL_ERROR "No se encontraron archivos fuente en ${DIR_SOURCES}.")
@@ -55,9 +61,78 @@ else()
message(STATUS "SDL3 encontrado: ${SDL3_INCLUDE_DIRS}")
endif()
# --- SHADER COMPILATION (Linux/Windows only - macOS uses Metal, Emscripten no soporta SDL3 GPU) ---
if(NOT APPLE AND NOT EMSCRIPTEN)
find_program(GLSLC_EXE NAMES glslc)
set(SHADER_VERT_SRC "${CMAKE_SOURCE_DIR}/data/shaders/postfx.vert")
set(SHADER_FRAG_SRC "${CMAKE_SOURCE_DIR}/data/shaders/postfx.frag")
set(SHADER_CRTPI_SRC "${CMAKE_SOURCE_DIR}/data/shaders/crtpi_frag.glsl")
set(SHADER_UPSCALE_SRC "${CMAKE_SOURCE_DIR}/data/shaders/upscale.frag")
set(SHADER_DOWNSCALE_SRC "${CMAKE_SOURCE_DIR}/data/shaders/downscale.frag")
set(SHADER_VERT_H "${CMAKE_SOURCE_DIR}/source/core/rendering/sdl3gpu/spv/postfx_vert_spv.h")
set(SHADER_FRAG_H "${CMAKE_SOURCE_DIR}/source/core/rendering/sdl3gpu/spv/postfx_frag_spv.h")
set(SHADER_CRTPI_H "${CMAKE_SOURCE_DIR}/source/core/rendering/sdl3gpu/spv/crtpi_frag_spv.h")
set(SHADER_UPSCALE_H "${CMAKE_SOURCE_DIR}/source/core/rendering/sdl3gpu/spv/upscale_frag_spv.h")
set(SHADER_DOWNSCALE_H "${CMAKE_SOURCE_DIR}/source/core/rendering/sdl3gpu/spv/downscale_frag_spv.h")
set(ALL_SHADER_HEADERS "${SHADER_VERT_H}" "${SHADER_FRAG_H}" "${SHADER_CRTPI_H}" "${SHADER_UPSCALE_H}" "${SHADER_DOWNSCALE_H}")
if(GLSLC_EXE)
set(COMPILE_SHADER_SCRIPT "${CMAKE_SOURCE_DIR}/tools/shaders/compile_shader.cmake")
macro(add_shader SRC_FILE OUT_H VAR_NAME)
cmake_parse_arguments(S "" "STAGE" "" ${ARGN})
add_custom_command(
OUTPUT "${OUT_H}"
COMMAND ${CMAKE_COMMAND}
"-DGLSLC=${GLSLC_EXE}"
"-DSRC=${SRC_FILE}"
"-DOUT_H=${OUT_H}"
"-DVAR=${VAR_NAME}"
"-DSTAGE=${S_STAGE}"
-P "${COMPILE_SHADER_SCRIPT}"
DEPENDS "${SRC_FILE}" "${COMPILE_SHADER_SCRIPT}"
COMMENT "Compilando shader: ${VAR_NAME}"
)
endmacro()
add_shader("${SHADER_VERT_SRC}" "${SHADER_VERT_H}" "postfx_vert_spv")
add_shader("${SHADER_FRAG_SRC}" "${SHADER_FRAG_H}" "postfx_frag_spv")
add_shader("${SHADER_CRTPI_SRC}" "${SHADER_CRTPI_H}" "crtpi_frag_spv" STAGE fragment)
add_shader("${SHADER_UPSCALE_SRC}" "${SHADER_UPSCALE_H}" "upscale_frag_spv")
add_shader("${SHADER_DOWNSCALE_SRC}" "${SHADER_DOWNSCALE_H}" "downscale_frag_spv")
add_custom_target(shaders DEPENDS ${ALL_SHADER_HEADERS})
message(STATUS "glslc encontrado: shaders se compilarán automáticamente")
else()
foreach(_h IN LISTS ALL_SHADER_HEADERS)
if(NOT EXISTS "${_h}")
message(FATAL_ERROR
"glslc no encontrado y header SPIR-V no existe: ${_h}\n"
" Instala glslc: sudo apt install glslang-tools (Linux)\n"
" choco install vulkan-sdk (Windows)"
)
endif()
endforeach()
message(STATUS "glslc no encontrado - usando headers SPIR-V precompilados")
endif()
else()
if(EMSCRIPTEN)
message(STATUS "Emscripten: shaders SPIR-V omitidos (SDL3 GPU no soportado en WebGL2)")
else()
message(STATUS "macOS: shaders SPIR-V omitidos (usa Metal inline)")
endif()
endif()
# Añadir ejecutable principal
add_executable(${PROJECT_NAME} ${SOURCES})
if(NOT APPLE AND NOT EMSCRIPTEN AND GLSLC_EXE)
add_dependencies(${PROJECT_NAME} shaders)
endif()
# Includes relatius a source/ (p.e. `#include "core/rendering/texture.h"`)
target_include_directories(${PROJECT_NAME} PRIVATE ${DIR_SOURCES})
@@ -96,7 +171,7 @@ elseif(APPLE)
)
endif()
elseif(EMSCRIPTEN)
target_compile_definitions(${PROJECT_NAME} PRIVATE EMSCRIPTEN_BUILD)
target_compile_definitions(${PROJECT_NAME} PRIVATE EMSCRIPTEN_BUILD NO_SHADERS)
# En wasm NO empaquetamos un resources.pack: el propio --preload-file de
# emscripten ya hace el mismo trabajo (bundle del directorio en un .data),
# así que metemos directamente 'data' y dejamos que el Resource lea por