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desmume
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cli: remove unused and broken OPENGL2D code 

this code was broken since the switch to SDL2, but nobody noticed
because the new meson build system doesn't set HAVE_GL_GL_H.
This commit is contained in:
rofl0r 2021-10-25 01:46:36 +00:00
parent a2c6a789ad
commit d07bdedbd6
1 changed files with 1 additions and 234 deletions
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235
desmume/src/frontend/posix/cli/main.cpp
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@ -29,18 +29,6 @@
#define VERSION "Unknown version"
#endif
/*
* FIXME: Not sure how to detect OpenGL in a platform portable way.
*/
#ifdef HAVE_GL_GL_H
#define INCLUDE_OPENGL_2D
#endif
#ifdef INCLUDE_OPENGL_2D
#include <GL/gl.h>
#include <GL/glu.h>
#endif
#ifndef CLI_UI
#define CLI_UI
#endif
@ -152,10 +140,6 @@ public:
int engine_3d;
int savetype;
#ifdef INCLUDE_OPENGL_2D
int opengl_2d;
#endif
int firmware_language;
};
@ -169,10 +153,6 @@ init_config( class configured_features *config) {
config->engine_3d = 1;
config->savetype = 0;
#ifdef INCLUDE_OPENGL_2D
config->opengl_2d = 0;
#endif
/* use the default language */
config->firmware_language = -1;
}
@ -197,9 +177,6 @@ fill_config( class configured_features *config,
"\t\t\t\t\t\t 5 = FLASH 2mbit\n"
"\t\t\t\t\t\t 6 = FLASH 4mbit\n",
"SAVETYPE"},
#ifdef INCLUDE_OPENGL_2D
{ "opengl-2d", 0, 0, G_OPTION_ARG_NONE, &config->opengl_2d, "Enables using OpenGL for screen rendering", NULL},
#endif
{ "fwlang", 0, 0, G_OPTION_ARG_INT, &config->firmware_language, "Set the language in the firmware, LANG as follows:\n"
"\t\t\t\t\t\t 0 = Japanese\n"
"\t\t\t\t\t\t 1 = English\n"
@ -283,166 +260,9 @@ joinThread_gdb( void *thread_handle) {
}
#endif
#ifdef INCLUDE_OPENGL_2D
/* initialization openGL function */
static int
initGL( GLuint *screen_texture) {
GLenum errCode;
u16 blank_texture[256 * 256];
memset(blank_texture, 0, sizeof(blank_texture));
/* Enable Texture Mapping */
glEnable( GL_TEXTURE_2D );
/* Set the background black */
glClearColor( 0.0f, 0.0f, 0.0f, 0.5f );
/* Depth buffer setup */
glClearDepth( 1.0f );
/* Enables Depth Testing */
glEnable( GL_DEPTH_TEST );
/* The Type Of Depth Test To Do */
glDepthFunc( GL_LEQUAL );
/* Create The Texture */
glGenTextures(2, screen_texture);
for (int i = 0; i < 2; i++)
{
glBindTexture(GL_TEXTURE_2D, screen_texture[i]);
/* Generate The Texture */
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 256, 256,
0, GL_RGBA,
GL_UNSIGNED_SHORT_1_5_5_5_REV,
blank_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
/* Linear Filtering */
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
}
if ((errCode = glGetError()) != GL_NO_ERROR) {
const GLubyte *errString;
errString = gluErrorString(errCode);
fprintf( stderr, "Failed to init GL: %s\n", errString);
return 0;
}
return 1;
}
static void
resizeWindow( u16 width, u16 height, GLuint *screen_texture) {
int comp_width = 3 * width;
int comp_height = 2 * height;
GLenum errCode;
initGL(screen_texture);
#ifdef HAVE_LIBAGG
Hud.reset();
#endif
if ( comp_width > comp_height) {
width = 2*height/3;
}
height = 3*width/2;
nds_screen_size_ratio = 256.0 / (double)width;
/* Setup our viewport. */
glViewport( 0, 0, ( GLint )width, ( GLint )height );
/*
* change to the projection matrix and set
* our viewing volume.
*/
glMatrixMode( GL_PROJECTION );
glLoadIdentity( );
gluOrtho2D( 0.0, 256.0, 384.0, 0.0);
/* Make sure we're chaning the model view and not the projection */
glMatrixMode( GL_MODELVIEW );
/* Reset The View */
glLoadIdentity( );
if ((errCode = glGetError()) != GL_NO_ERROR) {
const GLubyte *errString;
errString = gluErrorString(errCode);
fprintf( stderr, "GL resize failed: %s\n", errString);
}
}
static void
opengl_Draw(GLuint *texture) {
const NDSDisplayInfo &displayInfo = GPU->GetDisplayInfo();
/* Clear The Screen And The Depth Buffer */
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
/* Move Into The Screen 5 Units */
glLoadIdentity( );
/* Draw the main screen as a textured quad */
glBindTexture(GL_TEXTURE_2D, texture[NDSDisplayID_Main]);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, GPU_FRAMEBUFFER_NATIVE_WIDTH, GPU_FRAMEBUFFER_NATIVE_HEIGHT,
GL_RGBA,
GL_UNSIGNED_SHORT_1_5_5_5_REV,
displayInfo.renderedBuffer[NDSDisplayID_Main]);
GLfloat backlightIntensity = displayInfo.backlightIntensity[NDSDisplayID_Main];
glBegin(GL_QUADS);
glTexCoord2f(0.00f, 0.00f); glVertex2f( 0.0f, 0.0f); glColor4f(backlightIntensity, backlightIntensity, backlightIntensity, 1.0f);
glTexCoord2f(1.00f, 0.00f); glVertex2f(256.0f, 0.0f); glColor4f(backlightIntensity, backlightIntensity, backlightIntensity, 1.0f);
glTexCoord2f(1.00f, 0.75f); glVertex2f(256.0f, 192.0f); glColor4f(backlightIntensity, backlightIntensity, backlightIntensity, 1.0f);
glTexCoord2f(0.00f, 0.75f); glVertex2f( 0.0f, 192.0f); glColor4f(backlightIntensity, backlightIntensity, backlightIntensity, 1.0f);
glEnd();
/* Draw the touch screen as a textured quad */
glBindTexture(GL_TEXTURE_2D, texture[NDSDisplayID_Touch]);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, GPU_FRAMEBUFFER_NATIVE_WIDTH, GPU_FRAMEBUFFER_NATIVE_HEIGHT,
GL_RGBA,
GL_UNSIGNED_SHORT_1_5_5_5_REV,
displayInfo.renderedBuffer[NDSDisplayID_Touch]);
backlightIntensity = displayInfo.backlightIntensity[NDSDisplayID_Touch];
glBegin(GL_QUADS);
glTexCoord2f(0.00f, 0.00f); glVertex2f( 0.0f, 192.0f); glColor4f(backlightIntensity, backlightIntensity, backlightIntensity, 1.0f);
glTexCoord2f(1.00f, 0.00f); glVertex2f(256.0f, 192.0f); glColor4f(backlightIntensity, backlightIntensity, backlightIntensity, 1.0f);
glTexCoord2f(1.00f, 0.75f); glVertex2f(256.0f, 384.0f); glColor4f(backlightIntensity, backlightIntensity, backlightIntensity, 1.0f);
glTexCoord2f(0.00f, 0.75f); glVertex2f( 0.0f, 384.0f); glColor4f(backlightIntensity, backlightIntensity, backlightIntensity, 1.0f);
glEnd();
/* Flush the drawing to the screen */
SDL_GL_SwapBuffers( );
}
#endif
/* this is a stub for resizeWindow_stub in the case of no gl headers or no opengl 2d */
#ifdef INCLUDE_OPENGL_2D
static void
resizeWindow_stub (u16 width, u16 height, GLuint *screen_texture) {
}
#else
static void
resizeWindow_stub (u16 width, u16 height, void *screen_texture) {
}
#endif
static void
Draw( void) {
@ -527,10 +347,6 @@ int main(int argc, char ** argv) {
u32 fps_previous_time = 0;
#endif
#ifdef INCLUDE_OPENGL_2D
GLuint screen_texture[2];
#endif
NDS_Init();
init_config( &my_config);
@ -658,36 +474,6 @@ int main(int argc, char ** argv) {
return 1;
}
#ifdef INCLUDE_OPENGL_2D
if ( my_config.opengl_2d) {
/* the flags to pass to SDL_SetVideoMode */
sdl_videoFlags = SDL_OPENGL; /* Enable OpenGL in SDL */
sdl_videoFlags |= SDL_RESIZABLE; /* Enable window resizing */
/* Sets up OpenGL double buffering */
SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
window = SDL_CreateWindow( "Desmume SDL", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 256, 192 * 2,
sdl_videoFlags );
/* Verify there is a window */
if ( !window ) {
fprintf( stderr, "Window creation failed: %s\n", SDL_GetError( ) );
exit( -1);
}
/* initialize OpenGL */
if ( !initGL( screen_texture)) {
fprintf( stderr, "Failed to init GL, fall back to software render\n");
my_config.opengl_2d = 0;
}
}
if ( !my_config.opengl_2d) {
#endif
sdl_videoFlags |= SDL_SWSURFACE;
window = SDL_CreateWindow( "Desmume SDL", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 256, 384, sdl_videoFlags );
@ -697,14 +483,6 @@ int main(int argc, char ** argv) {
}
renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
#ifdef INCLUDE_OPENGL_2D
}
/* set the initial window size */
if ( my_config.opengl_2d) {
resizeWindow( 256, 192*2, screen_texture);
}
#endif
/* Initialize joysticks */
if(!init_joy()) return 1;
@ -737,11 +515,7 @@ int main(int argc, char ** argv) {
ctrls_cfg.focused = 1;
ctrls_cfg.fake_mic = 0;
ctrls_cfg.keypad = 0;
#ifdef INCLUDE_OPENGL_2D
ctrls_cfg.screen_texture = screen_texture;
#else
ctrls_cfg.screen_texture = NULL;
#endif
ctrls_cfg.resize_cb = &resizeWindow_stub;
while(!ctrls_cfg.sdl_quit) {
@ -752,14 +526,7 @@ int main(int argc, char ** argv) {
DrawHUD();
#endif
#ifdef INCLUDE_OPENGL_2D
if ( my_config.opengl_2d) {
opengl_Draw(screen_texture);
ctrls_cfg.resize_cb = &resizeWindow;
}
else
#endif
Draw();
Draw();
#ifdef HAVE_LIBAGG
osd->clear();