a_dinosaur/Lesson10-SDL3
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fix windows

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a dinosaur
2024-03-11 05:19:02 +11:00
parent 5061d1714d
commit 79c2dd9c98
2 changed files with 10 additions and 2 deletions
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9
Lesson10.cpp
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@@ -13,6 +13,9 @@
#include <SDL3/SDL_main.h>
#define GL_GLEXT_PROTOTYPES
#include <SDL3/SDL_opengl.h> // Header File For The OpenGL32 Library
#ifdef _WIN32
# include <gl/GLU.h>
#endif
SDL_Window* hWnd=NULL; // Holds Our Window Handle
SDL_GLContext hRC=NULL; // Permanent Rendering Context
@@ -167,8 +170,12 @@ int LoadGLTextures() // Load Bitmaps And Conv
glBindTexture(GL_TEXTURE_2D, texture[2]);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR_MIPMAP_NEAREST);
#ifndef _WIN32
glTexImage2D(GL_TEXTURE_2D, 0, 3, TextureImage->w, TextureImage->h, 0, GL_BGR, GL_UNSIGNED_BYTE, TextureImage->pixels);
glGenerateMipmap(GL_TEXTURE_2D);
#else
gluBuild2DMipmaps(GL_TEXTURE_2D, 3, TextureImage->w, TextureImage->h, GL_BGR, GL_UNSIGNED_BYTE, TextureImage->pixels);
#endif
}
SDL_DestroySurface(TextureImage); // Free The Image Structure
@@ -177,7 +184,7 @@ int LoadGLTextures() // Load Bitmaps And Conv
static void gluPerspective(GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar)
{
double h = 1.0 / tan(fovy * (M_PI / 180.0) * 0.5);
double h = 1.0 / tan(fovy * (SDL_PI_D / 180.0) * 0.5);
double w = h / aspect;
double invcliprng = 1.0 / (zFar - zNear);
double z = -(zFar + zNear) * invcliprng;