🛠️🐜 Antkeeper superbuild with dependencies included
https://antkeeper.com
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
350 lines
11 KiB
350 lines
11 KiB
/*
|
|
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely.
|
|
*/
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <math.h>
|
|
|
|
#include "SDL_test_common.h"
|
|
|
|
#if defined(__IPHONEOS__) || defined(__ANDROID__)
|
|
#define HAVE_OPENGLES
|
|
#endif
|
|
|
|
#ifdef HAVE_OPENGLES
|
|
|
|
#include "SDL_opengles.h"
|
|
|
|
static SDLTest_CommonState *state;
|
|
static SDL_GLContext *context = NULL;
|
|
static int depth = 16;
|
|
|
|
/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
|
|
static void
|
|
quit(int rc)
|
|
{
|
|
int i;
|
|
|
|
if (context != NULL) {
|
|
for (i = 0; i < state->num_windows; i++) {
|
|
if (context[i]) {
|
|
SDL_GL_DeleteContext(context[i]);
|
|
}
|
|
}
|
|
|
|
SDL_free(context);
|
|
}
|
|
|
|
SDLTest_CommonQuit(state);
|
|
exit(rc);
|
|
}
|
|
|
|
static void
|
|
Render()
|
|
{
|
|
static GLubyte color[8][4] = { { 255, 0, 0, 0 },
|
|
{ 255, 0, 0, 255 },
|
|
{ 0, 255, 0, 255 },
|
|
{ 0, 255, 0, 255 },
|
|
{ 0, 255, 0, 255 },
|
|
{ 255, 255, 255, 255 },
|
|
{ 255, 0, 255, 255 },
|
|
{ 0, 0, 255, 255 } };
|
|
static GLfloat cube[8][3] = { { 0.5, 0.5, -0.5 },
|
|
{ 0.5f, -0.5f, -0.5f },
|
|
{ -0.5f, -0.5f, -0.5f },
|
|
{ -0.5f, 0.5f, -0.5f },
|
|
{ -0.5f, 0.5f, 0.5f },
|
|
{ 0.5f, 0.5f, 0.5f },
|
|
{ 0.5f, -0.5f, 0.5f },
|
|
{ -0.5f, -0.5f, 0.5f } };
|
|
static GLubyte indices[36] = { 0, 3, 4,
|
|
4, 5, 0,
|
|
0, 5, 6,
|
|
6, 1, 0,
|
|
6, 7, 2,
|
|
2, 1, 6,
|
|
7, 4, 3,
|
|
3, 2, 7,
|
|
5, 4, 7,
|
|
7, 6, 5,
|
|
2, 3, 1,
|
|
3, 0, 1 };
|
|
|
|
/* Do our drawing, too. */
|
|
glClearColor(0.0, 0.0, 0.0, 1.0);
|
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
|
|
/* Draw the cube */
|
|
glColorPointer(4, GL_UNSIGNED_BYTE, 0, color);
|
|
glEnableClientState(GL_COLOR_ARRAY);
|
|
glVertexPointer(3, GL_FLOAT, 0, cube);
|
|
glEnableClientState(GL_VERTEX_ARRAY);
|
|
glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_BYTE, indices);
|
|
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glRotatef(5.0, 1.0, 1.0, 1.0);
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int fsaa, accel;
|
|
int value;
|
|
int i, done;
|
|
SDL_DisplayMode mode;
|
|
SDL_Event event;
|
|
Uint32 then, now, frames;
|
|
int status;
|
|
|
|
/* Enable standard application logging */
|
|
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
|
|
|
|
/* Initialize parameters */
|
|
fsaa = 0;
|
|
accel = 0;
|
|
|
|
/* Initialize test framework */
|
|
state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO);
|
|
if (state == NULL) {
|
|
return 1;
|
|
}
|
|
for (i = 1; i < argc;) {
|
|
int consumed;
|
|
|
|
consumed = SDLTest_CommonArg(state, i);
|
|
if (consumed == 0) {
|
|
if (SDL_strcasecmp(argv[i], "--fsaa") == 0) {
|
|
++fsaa;
|
|
consumed = 1;
|
|
} else if (SDL_strcasecmp(argv[i], "--accel") == 0) {
|
|
++accel;
|
|
consumed = 1;
|
|
} else if (SDL_strcasecmp(argv[i], "--zdepth") == 0) {
|
|
i++;
|
|
if (!argv[i]) {
|
|
consumed = -1;
|
|
} else {
|
|
depth = SDL_atoi(argv[i]);
|
|
consumed = 1;
|
|
}
|
|
} else {
|
|
consumed = -1;
|
|
}
|
|
}
|
|
if (consumed < 0) {
|
|
static const char *options[] = { "[--fsaa]", "[--accel]", "[--zdepth %d]", NULL };
|
|
SDLTest_CommonLogUsage(state, argv[0], options);
|
|
quit(1);
|
|
}
|
|
i += consumed;
|
|
}
|
|
|
|
/* Set OpenGL parameters */
|
|
state->window_flags |= SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_BORDERLESS;
|
|
state->gl_red_size = 5;
|
|
state->gl_green_size = 5;
|
|
state->gl_blue_size = 5;
|
|
state->gl_depth_size = depth;
|
|
state->gl_major_version = 1;
|
|
state->gl_minor_version = 1;
|
|
state->gl_profile_mask = SDL_GL_CONTEXT_PROFILE_ES;
|
|
if (fsaa) {
|
|
state->gl_multisamplebuffers = 1;
|
|
state->gl_multisamplesamples = fsaa;
|
|
}
|
|
if (accel) {
|
|
state->gl_accelerated = 1;
|
|
}
|
|
if (!SDLTest_CommonInit(state)) {
|
|
quit(2);
|
|
}
|
|
|
|
context = (SDL_GLContext *)SDL_calloc(state->num_windows, sizeof(*context));
|
|
if (context == NULL) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Out of memory!\n");
|
|
quit(2);
|
|
}
|
|
|
|
/* Create OpenGL ES contexts */
|
|
for (i = 0; i < state->num_windows; i++) {
|
|
context[i] = SDL_GL_CreateContext(state->windows[i]);
|
|
if (!context[i]) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_GL_CreateContext(): %s\n", SDL_GetError());
|
|
quit(2);
|
|
}
|
|
}
|
|
|
|
if (state->render_flags & SDL_RENDERER_PRESENTVSYNC) {
|
|
SDL_GL_SetSwapInterval(1);
|
|
} else {
|
|
SDL_GL_SetSwapInterval(0);
|
|
}
|
|
|
|
SDL_GetCurrentDisplayMode(0, &mode);
|
|
SDL_Log("Screen bpp: %d\n", SDL_BITSPERPIXEL(mode.format));
|
|
SDL_Log("\n");
|
|
SDL_Log("Vendor : %s\n", glGetString(GL_VENDOR));
|
|
SDL_Log("Renderer : %s\n", glGetString(GL_RENDERER));
|
|
SDL_Log("Version : %s\n", glGetString(GL_VERSION));
|
|
SDL_Log("Extensions : %s\n", glGetString(GL_EXTENSIONS));
|
|
SDL_Log("\n");
|
|
|
|
status = SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &value);
|
|
if (!status) {
|
|
SDL_Log("SDL_GL_RED_SIZE: requested %d, got %d\n", 5, value);
|
|
} else {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_RED_SIZE: %s\n",
|
|
SDL_GetError());
|
|
}
|
|
status = SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &value);
|
|
if (!status) {
|
|
SDL_Log("SDL_GL_GREEN_SIZE: requested %d, got %d\n", 5, value);
|
|
} else {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_GREEN_SIZE: %s\n",
|
|
SDL_GetError());
|
|
}
|
|
status = SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &value);
|
|
if (!status) {
|
|
SDL_Log("SDL_GL_BLUE_SIZE: requested %d, got %d\n", 5, value);
|
|
} else {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_BLUE_SIZE: %s\n",
|
|
SDL_GetError());
|
|
}
|
|
status = SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &value);
|
|
if (!status) {
|
|
SDL_Log("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", depth, value);
|
|
} else {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_DEPTH_SIZE: %s\n",
|
|
SDL_GetError());
|
|
}
|
|
if (fsaa) {
|
|
status = SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &value);
|
|
if (!status) {
|
|
SDL_Log("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
|
|
} else {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_MULTISAMPLEBUFFERS: %s\n",
|
|
SDL_GetError());
|
|
}
|
|
status = SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &value);
|
|
if (!status) {
|
|
SDL_Log("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
|
|
value);
|
|
} else {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_MULTISAMPLESAMPLES: %s\n",
|
|
SDL_GetError());
|
|
}
|
|
}
|
|
if (accel) {
|
|
status = SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value);
|
|
if (!status) {
|
|
SDL_Log("SDL_GL_ACCELERATED_VISUAL: requested 1, got %d\n", value);
|
|
} else {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_ACCELERATED_VISUAL: %s\n",
|
|
SDL_GetError());
|
|
}
|
|
}
|
|
|
|
/* Set rendering settings for each context */
|
|
for (i = 0; i < state->num_windows; ++i) {
|
|
float aspectAdjust;
|
|
|
|
status = SDL_GL_MakeCurrent(state->windows[i], context[i]);
|
|
if (status) {
|
|
SDL_Log("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());
|
|
|
|
/* Continue for next window */
|
|
continue;
|
|
}
|
|
|
|
aspectAdjust = (4.0f / 3.0f) / ((float)state->window_w / state->window_h);
|
|
glViewport(0, 0, state->window_w, state->window_h);
|
|
glMatrixMode(GL_PROJECTION);
|
|
glLoadIdentity();
|
|
glOrthof(-2.0, 2.0, -2.0 * aspectAdjust, 2.0 * aspectAdjust, -20.0, 20.0);
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
glEnable(GL_DEPTH_TEST);
|
|
glDepthFunc(GL_LESS);
|
|
glShadeModel(GL_SMOOTH);
|
|
}
|
|
|
|
/* Main render loop */
|
|
frames = 0;
|
|
then = SDL_GetTicks();
|
|
done = 0;
|
|
while (!done) {
|
|
/* Check for events */
|
|
++frames;
|
|
while (SDL_PollEvent(&event)) {
|
|
switch (event.type) {
|
|
case SDL_WINDOWEVENT:
|
|
switch (event.window.event) {
|
|
case SDL_WINDOWEVENT_RESIZED:
|
|
for (i = 0; i < state->num_windows; ++i) {
|
|
if (event.window.windowID == SDL_GetWindowID(state->windows[i])) {
|
|
status = SDL_GL_MakeCurrent(state->windows[i], context[i]);
|
|
if (status) {
|
|
SDL_Log("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());
|
|
break;
|
|
}
|
|
/* Change view port to the new window dimensions */
|
|
glViewport(0, 0, event.window.data1, event.window.data2);
|
|
/* Update window content */
|
|
Render();
|
|
SDL_GL_SwapWindow(state->windows[i]);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
SDLTest_CommonEvent(state, &event, &done);
|
|
}
|
|
for (i = 0; i < state->num_windows; ++i) {
|
|
if (state->windows[i] == NULL) {
|
|
continue;
|
|
}
|
|
status = SDL_GL_MakeCurrent(state->windows[i], context[i]);
|
|
if (status) {
|
|
SDL_Log("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());
|
|
|
|
/* Continue for next window */
|
|
continue;
|
|
}
|
|
Render();
|
|
SDL_GL_SwapWindow(state->windows[i]);
|
|
}
|
|
}
|
|
|
|
/* Print out some timing information */
|
|
now = SDL_GetTicks();
|
|
if (now > then) {
|
|
SDL_Log("%2.2f frames per second\n",
|
|
((double)frames * 1000) / (now - then));
|
|
}
|
|
#if !defined(__ANDROID__)
|
|
quit(0);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
#else /* HAVE_OPENGLES */
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "No OpenGL ES support on this system\n");
|
|
return 1;
|
|
}
|
|
|
|
#endif /* HAVE_OPENGLES */
|
|
|
|
/* vi: set ts=4 sw=4 expandtab: */
|