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Initial Cross Platform Work

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This commit is contained in:
tobid7
2025-04-24 16:39:24 +02:00
parent dbffb7f316
commit 13c2869ba8
170 changed files with 18611 additions and 10292 deletions
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27
backends/desktop/CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.22)
if(WIN32)
set(EXTRA_LIBS ws2_32)
else()
set(EXTRA_LIBS)
endif()
add_subdirectory(glfw)
add_subdirectory(glad)
# if(PD_BUILD_SHARED)
# add_library(pd-backend-desktop SHARED
# source/li_backend_gl2.cpp
# source/pd_hid_glfw.cpp)
# target_compile_definitions(pd-backend-desktop PUBLIC
# -DPD_BKND_DESKTOP_BUILD_SHARED=1)
# else()
add_library(pd-backend-desktop STATIC
source/li_backend_gl2.cpp
source/pd_hid_glfw.cpp)
#endif()
target_compile_definitions(pd-backend-desktop PUBLIC
-DPD_BKND_DESKTOP_STATIC=1)
target_include_directories(pd-backend-desktop PUBLIC include)
target_link_libraries(pd-backend-desktop PUBLIC glad glfw palladium ${EXTRA_LIBS})

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cmake_minimum_required(VERSION 3.22)
add_library(glad source/glad.c)
target_include_directories(glad PUBLIC include)

311
backends/desktop/glad/include/KHR/khrplatform.h Normal file
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#ifndef __khrplatform_h_
#define __khrplatform_h_
/*
** Copyright (c) 2008-2018 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
/* Khronos platform-specific types and definitions.
*
* The master copy of khrplatform.h is maintained in the Khronos EGL
* Registry repository at https://github.com/KhronosGroup/EGL-Registry
* The last semantic modification to khrplatform.h was at commit ID:
* 67a3e0864c2d75ea5287b9f3d2eb74a745936692
*
* Adopters may modify this file to suit their platform. Adopters are
* encouraged to submit platform specific modifications to the Khronos
* group so that they can be included in future versions of this file.
* Please submit changes by filing pull requests or issues on
* the EGL Registry repository linked above.
*
*
* See the Implementer's Guidelines for information about where this file
* should be located on your system and for more details of its use:
* http://www.khronos.org/registry/implementers_guide.pdf
*
* This file should be included as
* #include <KHR/khrplatform.h>
* by Khronos client API header files that use its types and defines.
*
* The types in khrplatform.h should only be used to define API-specific types.
*
* Types defined in khrplatform.h:
* khronos_int8_t signed 8 bit
* khronos_uint8_t unsigned 8 bit
* khronos_int16_t signed 16 bit
* khronos_uint16_t unsigned 16 bit
* khronos_int32_t signed 32 bit
* khronos_uint32_t unsigned 32 bit
* khronos_int64_t signed 64 bit
* khronos_uint64_t unsigned 64 bit
* khronos_intptr_t signed same number of bits as a pointer
* khronos_uintptr_t unsigned same number of bits as a pointer
* khronos_ssize_t signed size
* khronos_usize_t unsigned size
* khronos_float_t signed 32 bit floating point
* khronos_time_ns_t unsigned 64 bit time in nanoseconds
* khronos_utime_nanoseconds_t unsigned time interval or absolute time in
* nanoseconds
* khronos_stime_nanoseconds_t signed time interval in nanoseconds
* khronos_boolean_enum_t enumerated boolean type. This should
* only be used as a base type when a client API's boolean type is
* an enum. Client APIs which use an integer or other type for
* booleans cannot use this as the base type for their boolean.
*
* Tokens defined in khrplatform.h:
*
* KHRONOS_FALSE, KHRONOS_TRUE Enumerated boolean false/true values.
*
* KHRONOS_SUPPORT_INT64 is 1 if 64 bit integers are supported; otherwise 0.
* KHRONOS_SUPPORT_FLOAT is 1 if floats are supported; otherwise 0.
*
* Calling convention macros defined in this file:
* KHRONOS_APICALL
* KHRONOS_APIENTRY
* KHRONOS_APIATTRIBUTES
*
* These may be used in function prototypes as:
*
* KHRONOS_APICALL void KHRONOS_APIENTRY funcname(
* int arg1,
* int arg2) KHRONOS_APIATTRIBUTES;
*/
#if defined(__SCITECH_SNAP__) && !defined(KHRONOS_STATIC)
# define KHRONOS_STATIC 1
#endif
/*-------------------------------------------------------------------------
* Definition of KHRONOS_APICALL
*-------------------------------------------------------------------------
* This precedes the return type of the function in the function prototype.
*/
#if defined(KHRONOS_STATIC)
/* If the preprocessor constant KHRONOS_STATIC is defined, make the
* header compatible with static linking. */
# define KHRONOS_APICALL
#elif defined(_WIN32)
# define KHRONOS_APICALL __declspec(dllimport)
#elif defined (__SYMBIAN32__)
# define KHRONOS_APICALL IMPORT_C
#elif defined(__ANDROID__)
# define KHRONOS_APICALL __attribute__((visibility("default")))
#else
# define KHRONOS_APICALL
#endif
/*-------------------------------------------------------------------------
* Definition of KHRONOS_APIENTRY
*-------------------------------------------------------------------------
* This follows the return type of the function and precedes the function
* name in the function prototype.
*/
#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__)
/* Win32 but not WinCE */
# define KHRONOS_APIENTRY __stdcall
#else
# define KHRONOS_APIENTRY
#endif
/*-------------------------------------------------------------------------
* Definition of KHRONOS_APIATTRIBUTES
*-------------------------------------------------------------------------
* This follows the closing parenthesis of the function prototype arguments.
*/
#if defined (__ARMCC_2__)
#define KHRONOS_APIATTRIBUTES __softfp
#else
#define KHRONOS_APIATTRIBUTES
#endif
/*-------------------------------------------------------------------------
* basic type definitions
*-----------------------------------------------------------------------*/
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__GNUC__) || defined(__SCO__) || defined(__USLC__)
/*
* Using <stdint.h>
*/
#include <stdint.h>
typedef int32_t khronos_int32_t;
typedef uint32_t khronos_uint32_t;
typedef int64_t khronos_int64_t;
typedef uint64_t khronos_uint64_t;
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
/*
* To support platform where unsigned long cannot be used interchangeably with
* inptr_t (e.g. CHERI-extended ISAs), we can use the stdint.h intptr_t.
* Ideally, we could just use (u)intptr_t everywhere, but this could result in
* ABI breakage if khronos_uintptr_t is changed from unsigned long to
* unsigned long long or similar (this results in different C++ name mangling).
* To avoid changes for existing platforms, we restrict usage of intptr_t to
* platforms where the size of a pointer is larger than the size of long.
*/
#if defined(__SIZEOF_LONG__) && defined(__SIZEOF_POINTER__)
#if __SIZEOF_POINTER__ > __SIZEOF_LONG__
#define KHRONOS_USE_INTPTR_T
#endif
#endif
#elif defined(__VMS ) || defined(__sgi)
/*
* Using <inttypes.h>
*/
#include <inttypes.h>
typedef int32_t khronos_int32_t;
typedef uint32_t khronos_uint32_t;
typedef int64_t khronos_int64_t;
typedef uint64_t khronos_uint64_t;
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#elif defined(_WIN32) && !defined(__SCITECH_SNAP__)
/*
* Win32
*/
typedef __int32 khronos_int32_t;
typedef unsigned __int32 khronos_uint32_t;
typedef __int64 khronos_int64_t;
typedef unsigned __int64 khronos_uint64_t;
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#elif defined(__sun__) || defined(__digital__)
/*
* Sun or Digital
*/
typedef int khronos_int32_t;
typedef unsigned int khronos_uint32_t;
#if defined(__arch64__) || defined(_LP64)
typedef long int khronos_int64_t;
typedef unsigned long int khronos_uint64_t;
#else
typedef long long int khronos_int64_t;
typedef unsigned long long int khronos_uint64_t;
#endif /* __arch64__ */
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#elif 0
/*
* Hypothetical platform with no float or int64 support
*/
typedef int khronos_int32_t;
typedef unsigned int khronos_uint32_t;
#define KHRONOS_SUPPORT_INT64 0
#define KHRONOS_SUPPORT_FLOAT 0
#else
/*
* Generic fallback
*/
#include <stdint.h>
typedef int32_t khronos_int32_t;
typedef uint32_t khronos_uint32_t;
typedef int64_t khronos_int64_t;
typedef uint64_t khronos_uint64_t;
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#endif
/*
* Types that are (so far) the same on all platforms
*/
typedef signed char khronos_int8_t;
typedef unsigned char khronos_uint8_t;
typedef signed short int khronos_int16_t;
typedef unsigned short int khronos_uint16_t;
/*
* Types that differ between LLP64 and LP64 architectures - in LLP64,
* pointers are 64 bits, but 'long' is still 32 bits. Win64 appears
* to be the only LLP64 architecture in current use.
*/
#ifdef KHRONOS_USE_INTPTR_T
typedef intptr_t khronos_intptr_t;
typedef uintptr_t khronos_uintptr_t;
#elif defined(_WIN64)
typedef signed long long int khronos_intptr_t;
typedef unsigned long long int khronos_uintptr_t;
#else
typedef signed long int khronos_intptr_t;
typedef unsigned long int khronos_uintptr_t;
#endif
#if defined(_WIN64)
typedef signed long long int khronos_ssize_t;
typedef unsigned long long int khronos_usize_t;
#else
typedef signed long int khronos_ssize_t;
typedef unsigned long int khronos_usize_t;
#endif
#if KHRONOS_SUPPORT_FLOAT
/*
* Float type
*/
typedef float khronos_float_t;
#endif
#if KHRONOS_SUPPORT_INT64
/* Time types
*
* These types can be used to represent a time interval in nanoseconds or
* an absolute Unadjusted System Time. Unadjusted System Time is the number
* of nanoseconds since some arbitrary system event (e.g. since the last
* time the system booted). The Unadjusted System Time is an unsigned
* 64 bit value that wraps back to 0 every 584 years. Time intervals
* may be either signed or unsigned.
*/
typedef khronos_uint64_t khronos_utime_nanoseconds_t;
typedef khronos_int64_t khronos_stime_nanoseconds_t;
#endif
/*
* Dummy value used to pad enum types to 32 bits.
*/
#ifndef KHRONOS_MAX_ENUM
#define KHRONOS_MAX_ENUM 0x7FFFFFFF
#endif
/*
* Enumerated boolean type
*
* Values other than zero should be considered to be true. Therefore
* comparisons should not be made against KHRONOS_TRUE.
*/
typedef enum {
KHRONOS_FALSE = 0,
KHRONOS_TRUE = 1,
KHRONOS_BOOLEAN_ENUM_FORCE_SIZE = KHRONOS_MAX_ENUM
} khronos_boolean_enum_t;
#endif /* __khrplatform_h_ */

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1
backends/desktop/glfw Submodule

Submodule backends/desktop/glfw added at e7ea71be03

46
backends/desktop/include/li_backend_gl2.hpp Normal file
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#include <glad/glad.h>
/** SEPARATOR */
#include <GLFW/glfw3.h>
/** SEPARATOR */
#include <pd/core/core.hpp>
#include <pd/lithium/backend.hpp>
#include <pd_p_bknd_api.hpp>
namespace PD {
namespace LI {
class PD_BKND_DESKTOP_API Backend_GL2 : public PD::LI::Backend {
public:
Backend_GL2() : LI::Backend("OpenGL2") {}
~Backend_GL2() {}
PD_SMART_CTOR(Backend_GL2)
void Init() override;
void Deinit() override;
void NewFrame() override;
void BindTexture(PD::LI::TexAddress addr) override;
void RenderDrawData(const PD::Vec<PD::LI::Command::Ref>& Commands) override;
PD::LI::Texture::Ref LoadTexture(
const std::vector<PD::u8>& pixels, int w, int h,
PD::LI::Texture::Type type = PD::LI::Texture::Type::RGBA32,
PD::LI::Texture::Filter filter =
PD::LI::Texture::Filter::LINEAR) override;
private:
PD::Vec<PD::LI::Vertex> VertexBuffer;
PD::Vec<PD::u16> IndexBuffer;
size_t CurrentVertex = 0;
size_t CurrentIndex = 0;
GLuint Shader;
GLuint pLocProjection;
GLuint pLocTex;
Mat4 Projection;
GLuint VBO, IBO;
// For Stats
PD::u32 num_vtx = 0;
PD::u32 num_idx = 0;
};
} // namespace LI
} // namespace PD

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#pragma once
/*
MIT License
Copyright (c) 2024 - 2025 René Amthor (tobid7)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include <GLFW/glfw3.h>
#include <pd/core/hid_driver.hpp>
#include <pd_p_bknd_api.hpp>
namespace PD {
class PD_BKND_DESKTOP_API HidGLFW : public Hid {
public:
/**
* Constructor to setup Key binds
*/
HidGLFW(GLFWwindow* win);
~HidGLFW() = default;
PD_SMART_CTOR(HidGLFW)
/**
* Overrideing the Update Function for Input Checking etc
*/
void Update() override;
private:
GLFWwindow* Window;
int PrevState;
};
} // namespace PD

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#pragma once
/*
MIT License
Copyright (c) 2024 - 2025 René Amthor (tobid7)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#ifdef _WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#ifdef _MSVC
#pragma comment(lib, "ws2_32.lib")
#endif
#else
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/socket.h>
#endif
#include <pd/net/backend.hpp>
namespace PD {
class NetBackendDesktop : public PD::Net::Backend {
public:
#ifdef _WIN32
NetBackendDesktop() : Net::Backend("Desktop (Windows)") {
#else
NetBackendDesktop() : Net::Backend("Desktop (Unix)") {
#endif
}
~NetBackendDesktop() = default;
PD_SMART_CTOR(NetBackendDesktop)
bool Init() override {
#ifdef _WIN32
WSADATA wsa_data;
return (WSAStartup(MAKEWORD(2, 2), &wsa_data) == 0);
#else
return true;
#endif
}
void Deinit() override {
#ifdef _WIN32
WSACleanup();
#endif
}
int NewSocket() override { return socket(AF_INET, SOCK_STREAM, 0); }
void Close(int sock_id) override {
#ifdef _WIN32
closesocket(sock_id);
#else
close(sock_id);
#endif
}
int GetInvalidRef() const override {
#ifdef _WIN32
return INVALID_SOCKET;
#else
return -1;
#endif
}
bool Bind(int sock_id, u16 port) {
sockaddr_in addr{};
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = INADDR_ANY;
return bind(sock_id, (sockaddr*)&addr, sizeof(addr)) != -1;
}
bool Listen(int sock_id, int backlog = 5) {
return listen(sock_id, backlog) != -1;
}
bool Accept(int sock_id, Net::Socket::Ref client) {
int client_soc = accept(sock_id, nullptr, nullptr);
if (client_soc == GetInvalidRef()) {
return false;
}
client->pSocket = client_soc;
return true;
}
bool Connect(int sock_id, const std::string& ip, u16 port) {
sockaddr_in addr{};
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
inet_pton(AF_INET, ip.c_str(), &addr.sin_addr);
return connect(sock_id, (sockaddr*)&addr, sizeof(addr)) != -1;
}
int Send(int sock_id, const std::string& data) {
return send(sock_id, data.c_str(), static_cast<int>(data.size()), 0);
}
int Receive(int sock_id, std::string& data, int size = 1024) {
char* tmp = new char[size];
int res = recv(sock_id, tmp, size, 0);
if (res > 0) {
data.assign(tmp, res);
}
delete[] tmp;
return res;
}
};
} // namespace PD

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#pragma once
/*
MIT License
Copyright (c) 2024 - 2025 tobid7
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#pragma once
#ifdef PD_BKND_DESKTOP_STATIC
#if defined(__3DS__) // 3ds Specific
#error "Desktop backend is not supported on the 3ds!"
#endif
#define PD_BKND_DESKTOP_API
#else
#ifdef _WIN32 // Windows (MSVC Tested)
#ifdef PD_BKND_DESKTOP_BUILD_SHARED
#define PD_BKND_DESKTOP_API __declspec(dllexport)
#else
#define PD_BKND_DESKTOP_API __declspec(dllimport)
#endif
#elif defined(__APPLE__) // macOS (untested yet)
#ifdef PD_BKND_DESKTOP_BUILD_SHARED
#define PD_BKND_DESKTOP_API __attribute__((visibility("default")))
#else
#define PD_BKND_DESKTOP_API
#endif
#elif defined(__linux__) // Linux (untested yet)
#ifdef PD_BKND_DESKTOP_BUILD_SHARED
#define PD_BKND_DESKTOP_API __attribute__((visibility("default")))
#else
#define PD_BKND_DESKTOP_API
#endif
#elif defined(__3DS__) // 3ds Specific
#error "Desktop backend is not supported on the 3ds!"
#else
#define PD_BKND_DESKTOP_API
#endif
#endif

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#include <li_backend_gl2.hpp>
const char* vertex_shader = R"(
#version 120
attribute vec2 pos;
attribute vec2 uv;
attribute vec4 color;
varying vec2 oUV;
varying vec4 oColor;
// Probably forgot about this matric and
// searched hours for why the rendering isn't working :/
uniform mat4 projection;
void main() {
gl_Position = projection*vec4(pos, 0.0, 1.0);
oUV = uv;
oColor = color;
}
)";
const char* frag_shader = R"(
#version 120
varying vec2 oUV;
varying vec4 oColor;
uniform sampler2D tex;
void main() {
vec4 tc = texture2D(tex, oUV);
gl_FragColor = tc*oColor;
}
)";
GLuint compileShader(const std::string& source,
GLenum type) {
GLuint shader = glCreateShader(type);
const char* src = source.c_str();
glShaderSource(shader, 1, &src, nullptr);
glCompileShader(shader);
GLint success;
glGetShaderiv(shader, GL_COMPILE_STATUS, &success);
if (!success) {
char infoLog[512];
glGetShaderInfoLog(shader, 512, nullptr, infoLog);
std::cerr << "Shader Compilation Error: " << infoLog << std::endl;
}
return shader;
}
GLuint
createShaderProgram(const std::string& vertexShaderSource,
const std::string& fragmentShaderSource) {
GLuint vertexShader = compileShader(vertexShaderSource, GL_VERTEX_SHADER);
GLuint fragmentShader =
compileShader(fragmentShaderSource, GL_FRAGMENT_SHADER);
GLuint shaderProgram = glCreateProgram();
glAttachShader(shaderProgram, vertexShader);
glAttachShader(shaderProgram, fragmentShader);
glLinkProgram(shaderProgram);
GLint success;
glGetProgramiv(shaderProgram, GL_LINK_STATUS, &success);
if (!success) {
char infoLog[512];
glGetProgramInfoLog(shaderProgram, 512, nullptr, infoLog);
std::cerr << "Shader Program Linking Error: " << infoLog << std::endl;
}
glDeleteShader(vertexShader);
glDeleteShader(fragmentShader);
return shaderProgram;
}
namespace PD {
namespace LI {
PD_BKND_DESKTOP_API void Backend_GL2::Init() {
VertexBuffer.Resize(4 * 8192);
IndexBuffer.Resize(6 * 8192);
Shader = createShaderProgram(vertex_shader, frag_shader);
glUseProgram(Shader);
glGenBuffers(1, &VBO);
glBindBuffer(GL_ARRAY_BUFFER, VBO);
GLint _pos = glGetAttribLocation(Shader, "pos");
GLint _uv = glGetAttribLocation(Shader, "uv");
GLint _color = glGetAttribLocation(Shader, "color");
glVertexAttribPointer(_pos, 2, GL_FLOAT, GL_FALSE, sizeof(PD::LI::Vertex),
(void*)offsetof(PD::LI::Vertex, Pos));
glEnableVertexAttribArray(_pos);
glVertexAttribPointer(_uv, 2, GL_FLOAT, GL_FALSE, sizeof(PD::LI::Vertex),
(void*)offsetof(PD::LI::Vertex, UV));
glEnableVertexAttribArray(_uv);
glVertexAttribPointer(_color, 4, GL_UNSIGNED_BYTE, GL_TRUE,
sizeof(PD::LI::Vertex),
(void*)offsetof(PD::LI::Vertex, Color));
glEnableVertexAttribArray(_color);
glGenBuffers(1, &IBO);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, IBO);
pLocTex = glGetUniformLocation(Shader, "tex");
pLocProjection = glGetUniformLocation(Shader, "projection");
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}
PD_BKND_DESKTOP_API void Backend_GL2::Deinit() {
glDeleteBuffers(1, &VBO);
glDeleteBuffers(1, &IBO);
}
PD_BKND_DESKTOP_API void Backend_GL2::NewFrame() {
glViewport(0, 0, ViewPort.x, ViewPort.y);
glClearColor(ClearColor.x, ClearColor.y, ClearColor.z, ClearColor.w);
glClear(GL_COLOR_BUFFER_BIT);
Projection.Ortho(0.f, ViewPort.x, ViewPort.y, 0.f, -1.f, 1.f);
glUniformMatrix4fv(pLocProjection, 1, GL_TRUE, Projection.m);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
CurrentIndex = 0;
CurrentVertex = 0;
FrameCounter++;
VertexCounter = num_vtx;
IndexCounter = num_idx;
num_vtx = 0;
num_idx = 0;
}
PD_BKND_DESKTOP_API void Backend_GL2::BindTexture(PD::LI::TexAddress addr) {
// Actually not using the Address as Address
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, (GLuint)addr);
glUniform1i(pLocTex, 0);
}
PD_BKND_DESKTOP_API void Backend_GL2::RenderDrawData(
const PD::Vec<PD::LI::Command::Ref>& Commands) {
glUseProgram(Shader);
size_t index = 0;
while (index < Commands.Size()) {
PD::LI::Texture::Ref Tex = Commands[index]->Tex;
if (!Tex) {
index++;
continue;
}
size_t StartIndex = CurrentIndex;
bool ScissorEnabled = Commands[index]->ScissorEnabled;
ivec4 ScissorRect = Commands[index]->ScissorRect;
while (index < Commands.Size() && Commands[index]->Tex == Tex &&
Commands[index]->ScissorEnabled == ScissorEnabled &&
Commands[index]->ScissorRect == ScissorRect) {
auto c = Commands[index];
for (size_t i = 0; i < c->IndexBuffer.Size(); i++) {
num_idx++;
IndexBuffer[CurrentIndex++] = CurrentVertex + c->IndexBuffer.At(i);
}
for (size_t i = 0; i < c->VertexBuffer.Size(); i++) {
num_vtx++;
VertexBuffer[CurrentVertex++] = c->VertexBuffer.At(i);
}
index++;
}
if (ScissorEnabled) {
glScissor(ScissorRect.x, ViewPort.y - (ScissorRect.y + ScissorRect.w),
ScissorRect.z, ScissorRect.w);
glEnable(GL_SCISSOR_TEST);
} else {
glDisable(GL_SCISSOR_TEST);
}
BindTexture(Tex->Address);
glBindBuffer(GL_ARRAY_BUFFER, VBO);
glBufferData(GL_ARRAY_BUFFER, CurrentVertex * sizeof(PD::LI::Vertex),
&VertexBuffer[0], GL_DYNAMIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, IBO);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, CurrentIndex * sizeof(PD::u16),
&IndexBuffer[0], GL_DYNAMIC_DRAW);
glDrawElements(GL_TRIANGLES, CurrentIndex - StartIndex, GL_UNSIGNED_SHORT,
(void*)(StartIndex * sizeof(PD::u16)));
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
BindTexture(0);
}
}
PD_BKND_DESKTOP_API PD::LI::Texture::Ref Backend_GL2::LoadTexture(
const std::vector<PD::u8>& pixels, int w, int h, PD::LI::Texture::Type type,
PD::LI::Texture::Filter filter) {
GLuint texID;
glGenTextures(1, &texID);
glBindTexture(GL_TEXTURE_2D, texID);
// Set base format (Always using RGBA as base)
GLenum fmt = GL_RGBA;
if (type == PD::LI::Texture::Type::RGB24) {
fmt = GL_RGB;
} else if (type == PD::LI::Texture::Type::A8) {
fmt = GL_ALPHA;
}
glTexImage2D(GL_TEXTURE_2D, 0, fmt, w, h, 0, fmt, GL_UNSIGNED_BYTE,
pixels.data());
if (filter == PD::LI::Texture::Filter::LINEAR) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
} else if (filter == PD::LI::Texture::Filter::NEAREST) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
}
glBindTexture(GL_TEXTURE_2D, 0);
auto res = PD::LI::Texture::New(texID, PD::ivec2(w, h));
return res;
}
} // namespace LI
} // namespace PD

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backends/desktop/source/pd_hid_glfw.cpp Normal file
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#include <pd_hid_glfw.hpp>
namespace PD {
PD_BKND_DESKTOP_API HidGLFW::HidGLFW(GLFWwindow* win) : Hid("GLFW") {
Window = win;
binds[GLFW_MOUSE_BUTTON_LEFT] = Touch;
}
PD_BKND_DESKTOP_API void HidGLFW::Update() {
for (int i = 0; i < 2; i++) {
key_events[i][Event_Down] = 0;
key_events[i][Event_Held] = 0;
key_events[i][Event_Up] = 0;
}
int state = glfwGetMouseButton(Window, GLFW_MOUSE_BUTTON_LEFT);
if (state == GLFW_PRESS) {
if (PrevState == GLFW_RELEASE) {
key_events[0][Event_Down] |= Touch;
}
key_events[0][Event_Held] |= Touch;
} else if (state == GLFW_RELEASE && PrevState == GLFW_PRESS) {
key_events[0][Event_Up] |= Touch;
}
PrevState = state;
if (locked) {
SwappyTable();
}
double x, y;
glfwGetCursorPos(Window, &x, &y);
touch[1] = touch[0]; // Cycle touch pos
touch[0] = fvec2(x, y);
}
} // namespace PD