void game_init(GameState* gs) {
// Bind tiles vbo
glGenBuffers(1, &gs->tiles_vbo);
glBindBuffer(GL_ARRAY_BUFFER, gs->tiles_vbo);
glBufferData(GL_ARRAY_BUFFER, sizeof(TILES_VBO)*sizeof(float), TILES_VBO, GL_STATIC_DRAW);
gs->tiles_sheet = bitmap_load("bmp/tiles.bmp");
gs->tiles_program = pipeline_new(
shader_new(SHADER_VERTEX, "shader/tiles.vert"),
shader_new(SHADER_FRAGMENT, "shader/tiles.frag"));
pipeline_attribute(gs->tiles_program, "coord", 0);
pipeline_attribute(gs->tiles_program, "st", 1);
pipeline_uniform(gs->tiles_program, "pos", 0);
pipeline_uniform(gs->tiles_program, "tex", 1);
pipeline_uniform(gs->tiles_program, "tile", 2);
// Bind player vbo
glGenBuffers(1, &gs->player_vbo);
glBindBuffer(GL_ARRAY_BUFFER, gs->player_vbo);
glBufferData(GL_ARRAY_BUFFER, sizeof(PLAYER_VBO)*sizeof(float), PLAYER_VBO, GL_STATIC_DRAW);
// load player spritesheet
gs->player_spritesheet = bitmap_load("bmp/player.bmp");
gs->player_x = gs->player_y = 0;
gs->player_vx = gs->player_vy = 0;
// create player render pipeline
gs->player_program = pipeline_new(
shader_new(SHADER_VERTEX, "shader/player.vert"),
shader_new(SHADER_FRAGMENT, "shader/player.frag"));
pipeline_attribute(gs->player_program, "coord", 0);
pipeline_attribute(gs->player_program, "st", 1);
pipeline_uniform(gs->player_program, "pos", 0);
pipeline_uniform(gs->player_program, "tex", 1);
pipeline_uniform(gs->player_program, "dir", 2);
// Load audio stuff
gs->bounce_sound = sound_load("sound/bounce.ogg");
gs->ouch_sound = sound_load("sound/ouch.ogg");
alGenSources(1, &gs->player_source);
// Entity stuff
gs->num_entities = 1;
gs->ent[0].vbo = gs->player_vbo;
gs->ent[0].spritesheet = gs->player_spritesheet;
gs->ent[0].frame = 0;
gs->ent[0].vx = gs->ent[0].vy = 8;
gs->ent[0].x = gs->ent[0].y = 8;
gs->ent[0].program = gs->player_program;
}
void game_init(int* argc, char** argv, const char* title) {
glutInit(argc, argv);
glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE);
glutInitWindowSize(800, 600);
glutInitContextVersion(3, 1);
glutInitContextProfile(GLUT_FORWARD_COMPATIBLE);
glutInitContextProfile(GLUT_CORE_PROFILE);
glutCreateWindow(title);
glewExperimental = true;
glewInit();
glutKeyboardFunc(keyboard_down);
glutKeyboardUpFunc(keyboard_up);
glutSpecialFunc(keyboard_special_down);
glutSpecialUpFunc(keyboard_special_up);
glutCloseFunc(window_close);
glutSetKeyRepeat(GLUT_KEY_REPEAT_OFF);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
bodies = list_new();
body_program = pipeline_new(
shader_new(SHADER_VERTEX, "body.vert"),
shader_new(SHADER_FRAGMENT, "body.frag"));
glGenVertexArrays(1, &body_vao);
glBindVertexArray(body_vao);
pipeline_attribute(body_program, "coord", 0);
pipeline_attribute(body_program, "color", 1);
}
END_TEST
START_TEST (test_inspect_pipeline)
{
pipeline *p;
char *str;
p = pipeline_new ();
pipeline_command_args (p, "foo", "bar", NULL);
pipeline_command_args (p, "grep", "baz", "quux", NULL);
fail_unless (pipeline_get_ncommands (p) == 2);
pipecmd_setenv (pipeline_get_command (p, 1), "KEY", "value");
str = pipeline_tostring (p);
fail_unless (!strcmp (str, "foo bar | KEY=value grep baz quux"));
free (str);
pipeline_free (p);
}
void filter_changesets (database_t * db,
changeset_t ** serial, changeset_t ** serial_end,
const char * filter_command)
{
// Set up a pipeline for running the subprocess and sending the data to it.
struct filter_context context = { db, serial, serial_end };
pipeline * pl = pipeline_new();
pipeline_command (
pl,
pipecmd_new_function ("filter source", filter_output, NULL, &context));
pipeline_command_argstr (pl, filter_command);
pipeline_want_out (pl, -1);
fflush (NULL); // We're forking...
pipeline_start (pl);
filter_input (db, pipeline_get_outfile (pl));
int res = pipeline_wait (pl);
if (res != 0)
fatal ("filter subprocess gave error: %i\n", res);
pipeline_free (pl);
}
static struct pipeline *create_pipeline(struct gles *gles, int argc,
char *argv[], bool regenerate,
struct framebuffer *source)
{
struct framebuffer *target = NULL;
struct geometry *plane, *output, *geometry;
struct pipeline *pipeline;
int i;
pipeline = pipeline_new(gles);
if (!pipeline)
return NULL;
/*
* FIXME: Keep a reference to the created geometry so that it can be
* properly disposed of.
*/
plane = grid_new(0);
if (!plane)
return NULL;
output = grid_new(subdivisions);
if (!output)
return NULL;
if (transform)
grid_randomize(output);
for (i = 0; i < argc; i++) {
struct pipeline_stage *stage = NULL;
/*
* Render intermediate stages to a plane (2 triangles) geometry
* and the final one to a randomized grid to simulate geometric
* adaption.
*/
if (i >= argc - 1)
geometry = output;
else
geometry = plane;
/*
* FIXME: Keep a reference to the created target framebuffers
* so that they can be properly disposed of.
*/
if (i < argc - 1) {
target = framebuffer_new(gles->width, gles->height);
if (!target) {
fprintf(stderr, "failed to create framebuffer\n");
goto error;
}
} else {
target = display_framebuffer_new(gles->width, gles->height);
if (!target) {
fprintf(stderr, "failed to create display\n");
goto error;
}
}
if (strcmp(argv[i], "fill") == 0) {
stage = simple_fill_new(gles, geometry, target,
1.0, 0.0, 1.0);
if (!stage) {
fprintf(stderr, "simple_fill_new() failed\n");
goto error;
}
} else if (strcmp(argv[i], "checkerboard") == 0) {
stage = checkerboard_new(gles, geometry, target);
if (!stage) {
fprintf(stderr, "checkerboard_new() failed\n");
goto error;
}
} else if (strcmp(argv[i], "clear") == 0) {
stage = clear_new(gles, target, 1.0f, 1.0f, 0.0f);
if (!stage) {
fprintf(stderr, "clear_new() failed\n");
goto error;
}
} else if (strcmp(argv[i], "copy") == 0) {
stage = simple_copy_new(gles, geometry, source, target);
if (!stage) {
fprintf(stderr, "simple_copy_new() failed\n");
goto error;
}
} else if (strcmp(argv[i], "copyone") == 0) {
stage = copy_one_new(gles, geometry, source, target);
if (!stage) {
fprintf(stderr, "copy_one_new() failed\n");
goto error;
}
} else if (strcmp(argv[i], "deinterlace") == 0) {
stage = deinterlace_new(gles, geometry, source, target);
if (!stage) {
fprintf(stderr, "deinterlace_new() failed\n");
goto error;
}
} else if (strcmp(argv[i], "cc") == 0) {
stage = color_correct_new(gles, geometry, source,
target);
if (!stage) {
fprintf(stderr, "color_correct_new() failed\n");
goto error;
}
} else {
fprintf(stderr, "unsupported pipeline stage: %s\n",
argv[i]);
goto error;
}
/*
* Only add the generator to the pipeline if the regenerate
* flag was passed. Otherwise, render it only once.
*/
if (i > 0 || regenerate || argc == 1) {
pipeline_add_stage(pipeline, stage);
} else {
stage->pipeline = pipeline;
stage->render(stage);
pipeline_stage_free(stage);
}
if (i < argc - 1)
source = target;
}
return pipeline;
error:
framebuffer_free(target);
pipeline_free(pipeline);
return NULL;
}
void boot_init(int* argc, char** argv) {
int error;
fail_if(glfwInit() == false);
// OpenGL version 3
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MAJOR, 3);
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MINOR, 0);
// No window resize
glfwOpenWindowHint(GLFW_WINDOW_NO_RESIZE, true);
// 400% gameboy scale, 5 bit rgb with 1 bit alpha, 8 bit z buffer
fail_if(glfwOpenWindow(160 * 4, 144 * 4, 5, 5, 5, 1, 8, 0, GLFW_WINDOW) == false);
glfwSetWindowTitle("");
glfwEnable(GLFW_AUTO_POLL_EVENTS); // Automatically poll input on swap
glfwSwapInterval(1); // 0: vsync off, 1: vsync on
printf("Renderer: %s\n", glGetString(GL_RENDERER));
printf("GL Version: %s\n", glGetString(GL_VERSION));
printf("Using GLSL: %s\n", glGetString(GL_SHADING_LANGUAGE_VERSION));
error = glewInit();
if (error != GLEW_OK) {
fprintf(stderr, "GLEW error: %s\n", glewGetErrorString(error));
}
printf("GL Extension Wrangler: %s\n", glewGetString(GLEW_VERSION));
// Load audio
fail_if(alutInit(argc, argv) == false);
glClearColor(206.0/255.0, 230.0/255.0, 165.0/255.0, 1.0f);
glEnable(GL_SCISSOR_TEST); // For geom culling
// transparency
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// z-buffer
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
// Set up perspective
glOrtho(0, 160, 144, 0, -1.0, 1.0);
glDepthRange(-1.0f, 1.0f);
glViewport(0, 0, 160 * 4, 144 * 4);
// This is where Ill put the logo thing
unsigned logo = bitmap_load("bmp/logo.bmp");
unsigned logo_vbo;
float t0, t1, dt;
float logo_x = 16, logo_y = -80;
float logo_v[] = {
0, 0, 0, 1.0 - 0,
0, 128, 0, 1.0 - 1,
128, 128, 1, 1.0 - 1,
128, 0, 1, 1.0 - 0,
};
glGenBuffers(1, &logo_vbo);
glBindBuffer(GL_ARRAY_BUFFER, logo_vbo);
glBufferData(GL_ARRAY_BUFFER, sizeof(logo_v)*sizeof(float), logo_v, GL_STATIC_DRAW);
Pipeline* logo_program = pipeline_new(
shader_new(SHADER_VERTEX, "shader/logo.vert"),
shader_new(SHADER_FRAGMENT, "shader/logo.frag"));
pipeline_attribute(logo_program, "coord", 0);
pipeline_attribute(logo_program, "st", 1);
pipeline_uniform(logo_program, "pos", 0);
pipeline_uniform(logo_program, "tex", 1);
glUseProgram(logo_program->id);
// Bind the logo to texture 0
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, logo);
glUniform1i(logo_program->uniform[1], 0);
// Bind logo vbo
glBindBuffer(GL_ARRAY_BUFFER, logo_vbo);
glEnableVertexAttribArray(logo_program->attribute[0]);
glVertexAttribPointer(logo_program->attribute[0], 2, GL_FLOAT, false, 4*sizeof(float), (void*)0);
glEnableVertexAttribArray(logo_program->attribute[1]);
glVertexAttribPointer(logo_program->attribute[1], 2, GL_FLOAT, false, 4*sizeof(float), (void*)(2 * sizeof(float)));
// load sound
unsigned sound_source;
alGenSources(1, &sound_source);
Sound* ding = sound_load("sound/ding.ogg");
alSourcei(sound_source, AL_BUFFER, ding->buffer);
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
glfwSwapBuffers();
sleep(1);
t0 = glfwGetTime();
while (logo_y < 8) {
t1 = glfwGetTime();
dt = t1 - t0;
t0 = t1;
logo_y += 50 * dt;
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
glUniform2f(logo_program->uniform[0], roundf(logo_x), roundf(logo_y));
// Render logo
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
glfwSwapBuffers();
}
alSourcePlay(sound_source);
glDisableVertexAttribArray(logo_program->attribute[0]);
glDisableVertexAttribArray(logo_program->attribute[1]);
sleep(1);
}