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Fixes and enhancements from my MCPE repository. (https://github.com/mschiller890/mcpe64)

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This commit is contained in:
Michal Schiller
2026-03-10 19:31:40 +01:00
parent 0c97ceb340
commit 2fc323639a
69 changed files with 2509 additions and 639 deletions
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69
src/AppPlatform_glfw.cpp
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@@ -1,5 +1,74 @@
#include "AppPlatform_glfw.h"
#ifdef WIN32
#include <Windows.h>
#endif
// Loader that tries GLFW first, then falls back to opengl32.dll for any
// function that glfwGetProcAddress can't resolve.
void* winGLLoader(const char* name) {
void* p = (void*)glfwGetProcAddress(name);
#ifdef WIN32
if (!p) {
static HMODULE opengl32 = LoadLibraryA("opengl32.dll");
if (opengl32) p = (void*)GetProcAddress(opengl32, name);
}
#endif
return p;
}
// -----------------------------------------------------------------------
// Compatibility wrappers for OpenGL ES functions absent from desktop GL.
// The desktop equivalents use double parameters and are not declared in
// the GLES1 GLAD header, so look them up at runtime via winGLLoader.
// -----------------------------------------------------------------------
static void APIENTRY compat_glDepthRangef(GLfloat n, GLfloat f) {
typedef void(APIENTRY *fn_t)(double, double);
static fn_t fn = (fn_t)winGLLoader("glDepthRange");
if (fn) fn((double)n, (double)f);
}
static void APIENTRY compat_glClearDepthf(GLfloat d) {
typedef void(APIENTRY *fn_t)(double);
static fn_t fn = (fn_t)winGLLoader("glClearDepth");
if (fn) fn((double)d);
}
static void APIENTRY compat_glOrthof(GLfloat l, GLfloat r, GLfloat b,
GLfloat t, GLfloat n, GLfloat f) {
typedef void(APIENTRY *fn_t)(double,double,double,double,double,double);
static fn_t fn = (fn_t)winGLLoader("glOrtho");
if (fn) fn(l, r, b, t, n, f);
}
static void APIENTRY compat_glFrustumf(GLfloat l, GLfloat r, GLfloat b,
GLfloat t, GLfloat n, GLfloat f) {
typedef void(APIENTRY *fn_t)(double,double,double,double,double,double);
static fn_t fn = (fn_t)winGLLoader("glFrustum");
if (fn) fn(l, r, b, t, n, f);
}
// glFogx / glFogxv are OpenGL ES fixed-point variants that don't exist in
// desktop opengl32.dll. Wrap them via the float equivalents. For fog-mode
// enum params the GLfixed value IS the enum integer, so the cast is exact.
static void APIENTRY compat_glFogx(GLenum pname, GLfixed param) {
glFogf(pname, (GLfloat)param);
}
static void APIENTRY compat_glFogxv(GLenum pname, const GLfixed* params) {
// Only GL_FOG_COLOR uses an array; convert each element.
GLfloat fp[4] = {
(GLfloat)params[0], (GLfloat)params[1],
(GLfloat)params[2], (GLfloat)params[3]
};
glFogfv(pname, fp);
}
void glPatchDesktopCompat() {
if (!glad_glDepthRangef) glad_glDepthRangef = compat_glDepthRangef;
if (!glad_glClearDepthf) glad_glClearDepthf = compat_glClearDepthf;
if (!glad_glOrthof) glad_glOrthof = compat_glOrthof;
if (!glad_glFrustumf) glad_glFrustumf = compat_glFrustumf;
if (!glad_glFogx) glad_glFogx = compat_glFogx;
if (!glad_glFogxv) glad_glFogxv = compat_glFogxv;
}
float AppPlatform_glfw::getPixelsPerMillimeter() {
GLFWmonitor* monitor = glfwGetPrimaryMonitor();