void mirrorclamp_app::startup()
{
overlay.init(80, 50);
input_texture = sb7::ktx::file::load("media/textures/flare.ktx");
load_shaders();
glGenVertexArrays(1, &dummy_vao);
}
void cullindirect_app::startup()
{
GLuint first, count;
object.load("media/objects/asteroids.sbm");
glGenBuffers(1, &buffers.parameters);
glBindBuffer(GL_PARAMETER_BUFFER_ARB, buffers.parameters);
glBufferStorage(GL_PARAMETER_BUFFER_ARB, 256, nullptr, 0);
glGenBuffers(1, &buffers.drawCandidates);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, buffers.drawCandidates);
CandidateDraw* pDraws = new CandidateDraw[CANDIDATE_COUNT];
int i;
for (i = 0; i < CANDIDATE_COUNT; i++)
{
object.get_sub_object_info(i % object.get_sub_object_count(), first, count);
pDraws[i].sphereCenter = vmath::vec3(0.0f);
pDraws[i].sphereRadius = 4.0f;
pDraws[i].firstVertex = first;
pDraws[i].vertexCount = count;
}
glBufferStorage(GL_SHADER_STORAGE_BUFFER, CANDIDATE_COUNT * sizeof(CandidateDraw), pDraws, 0);
delete [] pDraws;
glGenBuffers(1, &buffers.drawCommands);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, buffers.drawCommands);
glBufferStorage(GL_SHADER_STORAGE_BUFFER, CANDIDATE_COUNT * sizeof(DrawArraysIndirectCommand), nullptr, GL_MAP_READ_BIT);
glGenBuffers(1, &buffers.modelMatrices);
glBindBuffer(GL_UNIFORM_BUFFER, buffers.modelMatrices);
glBufferStorage(GL_UNIFORM_BUFFER, 1024 * sizeof(vmath::mat4), nullptr, GL_MAP_WRITE_BIT);
glGenBuffers(1, &buffers.transforms);
glBindBuffer(GL_UNIFORM_BUFFER, buffers.transforms);
glBufferStorage(GL_UNIFORM_BUFFER, sizeof(TransformBuffer), nullptr, GL_MAP_WRITE_BIT);
load_shaders();
overlay.init(128, 50);
texture = sb7::ktx::file::load("media/textures/rocks.ktx");
}
void pmbstreaming_app::startup()
{
glGenBuffers(1, &buffer);
glBindBuffer(GL_UNIFORM_BUFFER, buffer);
glBufferStorage(GL_UNIFORM_BUFFER,
BUFFER_SIZE,
nullptr,
GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
vs_uniforms = (MATRICES*)glMapBufferRange(GL_UNIFORM_BUFFER,
0,
BUFFER_SIZE,
GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
GLuint shaders[2] =
{
sb7::shader::load("media/shaders/pmbstreaming/pmbstreaming.vs.glsl", GL_VERTEX_SHADER),
sb7::shader::load("media/shaders/pmbstreaming/pmbstreaming.fs.glsl", GL_FRAGMENT_SHADER)
};
program = sb7::program::link_from_shaders(shaders, 2, true);
object.load("media/objects/torus_nrms_tc.sbm");
glBindBufferBase(GL_UNIFORM_BUFFER, 0, buffer);
overlay.init(128, 50);
glActiveTexture(GL_TEXTURE0);
texture = sb7::ktx::file::load("media/textures/pattern1.ktx");
for (int i = 0; i < CHUNK_COUNT; i++)
{
fence[i] = 0;
}
}
void dof_app::startup()
{
load_shaders();
int i;
static const char * const object_names[] =
{
"media/objects/dragon.sbm",
"media/objects/sphere.sbm",
"media/objects/cube.sbm",
"media/objects/cube.sbm",
"media/objects/cube.sbm",
};
static const vmath::vec4 object_colors[] =
{
vmath::vec4(1.0f, 0.7f, 0.8f, 1.0f),
vmath::vec4(0.7f, 0.8f, 1.0f, 1.0f),
vmath::vec4(0.3f, 0.9f, 0.4f, 1.0f),
vmath::vec4(0.6f, 0.4f, 0.9f, 1.0f),
vmath::vec4(0.8f, 0.2f, 0.1f, 1.0f),
};
for (i = 0; i < OBJECT_COUNT; i++)
{
objects[i].obj.load(object_names[i]);
objects[i].diffuse_albedo = object_colors[i];
}
glGenFramebuffers(1, &depth_fbo);
glBindFramebuffer(GL_FRAMEBUFFER, depth_fbo);
glGenTextures(1, &depth_tex);
glBindTexture(GL_TEXTURE_2D, depth_tex);
glTexStorage2D(GL_TEXTURE_2D, 11, GL_DEPTH_COMPONENT32F, FBO_SIZE, FBO_SIZE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glGenTextures(1, &color_tex);
glBindTexture(GL_TEXTURE_2D, color_tex);
glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA32F, FBO_SIZE, FBO_SIZE);
glGenTextures(1, &temp_tex);
glBindTexture(GL_TEXTURE_2D, temp_tex);
glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA32F, FBO_SIZE, FBO_SIZE);
glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, depth_tex, 0);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, color_tex, 0);
glBindTexture(GL_TEXTURE_2D, 0);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glEnable(GL_DEPTH_TEST);
glGenVertexArrays(1, &quad_vao);
glBindVertexArray(quad_vao);
overlay.init(80, 50);
overlay.clear();
overlay.drawText("Q: Increas focal distance", 0, 0);
overlay.drawText("A: Decrease focal distance", 0, 1);
overlay.drawText("W: Increase focal depth", 0, 2);
overlay.drawText("S: Decrease focal depth", 0, 3);
overlay.drawText("P: Pause", 0, 4);
}