bool render()
{
glm::vec2 WindowSize(this->getWindowSize());
{
float Aspect = (WindowSize.x * 0.33f) / (WindowSize.y * 0.50f);
glm::mat4 Projection = glm::perspective(glm::pi<float>() * 0.25f, Aspect, 0.1f, 100.0f);
glm::mat4 MVP = Projection * this->view() * glm::mat4(1.0f);
*UniformPointer = MVP;
}
glClearBufferfv(GL_COLOR, 0, &glm::vec4(1.0f, 0.5f, 0.0f, 1.0f)[0]);
glBindProgramPipeline(PipelineName);
glBindBuffersBase(GL_UNIFORM_BUFFER, semantic::uniform::TRANSFORM0, 1, &BufferName[buffer::TRANSFORM]);
glBindTextures(semantic::sampler::DIFFUSE, 1, &TextureName);
glBindVertexArray(VertexArrayName);
glBindVertexBuffer(semantic::buffer::STATIC, BufferName[buffer::VERTEX], 0, GLsizei(sizeof(vertex)));
for(std::size_t Index = 0; Index < viewport::MAX; ++Index)
{
glViewportIndexedf(0,
Viewport[Index].x,
Viewport[Index].y,
Viewport[Index].z,
Viewport[Index].w);
glBindSamplers(0, 1, &SamplerName[Index]);
glDrawArraysInstanced(GL_TRIANGLES, 0, VertexCount, 1);
}
return true;
}
bool render()
{
glm::vec2 WindowSize(this->getWindowSize());
{
glm::mat4 Projection = glm::perspective(glm::pi<float>() * 0.25f, WindowSize.x * 0.5f / WindowSize.y, 0.1f, 1000.0f);
glm::mat4 View = this->view();
glm::mat4 Model = glm::mat4(1.0f);
glm::mat4 MVP = Projection * View * Model;
glm::mat4 MV = View * Model;
TransformPointer->MVP = Projection * View * Model;
TransformPointer->MV = View * Model;
TransformPointer->Camera = glm::vec3(0.0f, 0.0f, -this->cameraDistance());
}
glClearBufferfv(GL_COLOR, 0, &glm::vec4(1.0f, 1.0f, 1.0f, 1.0f)[0]);
glBindProgramPipeline(PipelineName);
glBindTextures(semantic::sampler::DIFFUSE, 1, &TextureName);
glBindBufferBase(GL_UNIFORM_BUFFER, semantic::uniform::TRANSFORM0, BufferName[buffer::TRANSFORM]);
glBindVertexArray(VertexArrayName);
// Left side: seamless cubemap filtering
glViewportIndexedf(0, 0, 0, WindowSize.x * 0.5f, WindowSize.y);
glBindSamplers(semantic::sampler::DIFFUSE, 1, &SamplerName[sampler::SEAMLESS]);
glDrawArraysInstancedBaseInstance(GL_TRIANGLES, 0, VertexCount, 1, 0);
// Right side: per face cubemap filtering
glViewportIndexedf(0, WindowSize.x * 0.5f, 0, WindowSize.x * 0.5f, WindowSize.y);
glBindSamplers(semantic::sampler::DIFFUSE, 1, &SamplerName[sampler::NON_SEAMLESS]);
glDrawArraysInstancedBaseInstance(GL_TRIANGLES, 0, VertexCount, 1, 0);
return true;
}
void renderFB()
{
glm::vec2 WindowSize(this->getWindowSize());
glClipControl(GL_LOWER_LEFT, GL_NEGATIVE_ONE_TO_ONE);
glViewportIndexedf(0, 0, 0, WindowSize.x, WindowSize.y);
glClearNamedFramebufferfv(0, GL_COLOR, 0, &glm::vec4(0.0f, 0.5f, 1.0f, 1.0f)[0]);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glBindBufferRange(GL_UNIFORM_BUFFER, semantic::uniform::TRANSFORM0, BufferName[buffer::TRANSFORM], this->UniformBlockSize, this->UniformBlockSize);
glBindSamplers(0, 1, &SamplerName);
glBindTextureUnit(0, TextureName[texture::COLORBUFFER]);
glBindVertexArray(VertexArrayName);
glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, ElementCount, GL_UNSIGNED_SHORT, nullptr, 1, 0, 0);
}
void renderFBO()
{
glEnable(GL_MULTISAMPLE);
glEnable(GL_SAMPLE_SHADING);
glMinSampleShading(4.0f);
glClipControl(GL_LOWER_LEFT, GL_NEGATIVE_ONE_TO_ONE);
glViewportIndexedf(0, 0, 0, static_cast<float>(FRAMEBUFFER_SIZE.x), static_cast<float>(FRAMEBUFFER_SIZE.y));
glClearNamedFramebufferfv(FramebufferName[framebuffer::RENDER], GL_COLOR, 0, &glm::vec4(0.0f, 0.5f, 1.0f, 1.0f)[0]);
glBindFramebuffer(GL_FRAMEBUFFER, FramebufferName[framebuffer::RENDER]);
glBindBufferRange(GL_UNIFORM_BUFFER, semantic::uniform::TRANSFORM0, BufferName[buffer::TRANSFORM], 0, this->UniformBlockSize);
glBindSamplers(0, 1, &SamplerName);
glBindTextureUnit(0, TextureName[texture::TEXTURE]);
glBindVertexArray(VertexArrayName);
glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, ElementCount, GL_UNSIGNED_SHORT, nullptr, 1, 0, 0);
glDisable(GL_MULTISAMPLE);
}
void display()
{
{
// Compute the MVP (Model View Projection matrix)
float Aspect = (Window.Size.x * 0.33f) / (Window.Size.y * 0.50f);
glm::mat4 Projection = glm::perspective(45.0f, Aspect, 0.1f, 100.0f);
glm::mat4 ViewTranslateZ = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 0.0f, -Window.TranlationCurrent.y));
glm::mat4 ViewRotateX = glm::rotate(ViewTranslateZ, Window.RotationCurrent.y, glm::vec3(1.f, 0.f, 0.f));
glm::mat4 ViewRotateY = glm::rotate(ViewRotateX, Window.RotationCurrent.x, glm::vec3(0.f, 1.f, 0.f));
glm::mat4 View = ViewRotateY;
glm::mat4 Model = glm::mat4(1.0f);
glm::mat4 MVP = Projection * View * Model;
*UniformPointer = MVP;
}
glFlushMappedBufferRange(GL_UNIFORM_BUFFER, 0, sizeof(glm::mat4));
glClearBufferfv(GL_COLOR, 0, &glm::vec4(1.0f, 0.5f, 0.0f, 1.0f)[0]);
glBindProgramPipeline(PipelineName);
glBindBuffersBase(GL_UNIFORM_BUFFER, glf::semantic::uniform::TRANSFORM0, 1, &BufferName[buffer::TRANSFORM]);
glBindTextures(glf::semantic::sampler::DIFFUSE, 1, &TextureName);
glBindVertexArray(VertexArrayName);
glBindVertexBuffer(glf::semantic::buffer::STATIC, BufferName[buffer::VERTEX], 0, GLsizei(sizeof(vertex)));
for(std::size_t Index = 0; Index < viewport::MAX; ++Index)
{
glViewportIndexedf(0,
Viewport[Index].x,
Viewport[Index].y,
Viewport[Index].z,
Viewport[Index].w);
glBindSamplers(0, 1, &SamplerName[Index]);
glDrawArraysInstanced(GL_TRIANGLES, 0, VertexCount, 1);
}
glf::checkError("display");
glf::swapBuffers();
}
//==============================================================================
void ResourceGroupImpl::bind(
U slot, const DynamicBufferInfo& dynInfo, GlState& state)
{
ANKI_ASSERT(slot < MAX_RESOURCE_GROUPS);
// Bind textures
if(m_textureNamesCount)
{
glBindTextures(MAX_TEXTURE_BINDINGS * slot,
m_textureNamesCount,
&m_textureNames[0]);
if(m_allSamplersZero)
{
glBindSamplers(
MAX_TEXTURE_BINDINGS * slot, m_textureNamesCount, nullptr);
}
else
{
glBindSamplers(MAX_TEXTURE_BINDINGS * slot,
m_textureNamesCount,
&m_samplerNames[0]);
}
}
// Uniform buffers
for(U i = 0; i < m_ubosCount; ++i)
{
const auto& binding = m_ubos[i];
if(binding.m_name == MAX_U32)
{
// Dynamic
DynamicBufferToken token = dynInfo.m_uniformBuffers[i];
ANKI_ASSERT(token.m_range != 0);
if(token.m_range != MAX_U32)
{
glBindBufferRange(GL_UNIFORM_BUFFER,
MAX_UNIFORM_BUFFER_BINDINGS * slot + i,
state.m_dynamicMemoryManager.getGlName(
BufferUsage::UNIFORM),
token.m_offset,
token.m_range);
}
else
{
// It's invalid
}
}
else if(binding.m_name != 0)
{
// Static
glBindBufferRange(GL_UNIFORM_BUFFER,
MAX_UNIFORM_BUFFER_BINDINGS * slot + i,
binding.m_name,
binding.m_offset,
binding.m_range);
}
}
// Storage buffers
for(U i = 0; i < m_ssbosCount; ++i)
{
const auto& binding = m_ssbos[i];
if(binding.m_name == MAX_U32)
{
// Dynamic
DynamicBufferToken token = dynInfo.m_storageBuffers[i];
ANKI_ASSERT(token.m_range != 0);
if(token.m_range != MAX_U32)
{
glBindBufferRange(GL_SHADER_STORAGE_BUFFER,
MAX_STORAGE_BUFFER_BINDINGS * slot + i,
state.m_dynamicMemoryManager.getGlName(
BufferUsage::STORAGE),
token.m_offset,
token.m_range);
}
else
{
// It's invalid
}
}
else if(binding.m_name != 0)
{
// Static
glBindBufferRange(GL_SHADER_STORAGE_BUFFER,
MAX_STORAGE_BUFFER_BINDINGS * slot + i,
binding.m_name,
binding.m_offset,
binding.m_range);
}
}
// Atomic
for(U i = 0; i < m_atomicsCount; ++i)
{
const auto& binding = m_atomics[i];
if(binding.m_name == MAX_U32)
{
// Dynamic
ANKI_ASSERT(0);
}
else if(binding.m_name != 0)
{
// Static
glBindBufferRange(GL_ATOMIC_COUNTER_BUFFER,
MAX_ATOMIC_BUFFER_BINDINGS * slot + i,
binding.m_name,
binding.m_offset,
binding.m_range);
}
}
// Vertex buffers
if(m_vertBindingsCount)
{
ANKI_ASSERT(slot == 0 && "Only slot 0 can have vertex buffers");
if(!m_hasDynamicVertexBuff)
{
memcpy(&state.m_vertBuffOffsets[0],
&m_vertBuffOffsets[0],
sizeof(m_vertBuffOffsets[0]) * m_vertBindingsCount);
}
else
{
// Copy the offsets
Array<GLintptr, MAX_VERTEX_ATTRIBUTES> offsets = m_vertBuffOffsets;
for(U i = 0; i < MAX_VERTEX_ATTRIBUTES; ++i)
{
if(offsets[i] == MAX_U32)
{
// It's dynamic
ANKI_ASSERT(dynInfo.m_vertexBuffers[i].m_range != 0);
offsets[i] = dynInfo.m_vertexBuffers[i].m_offset;
}
else
{
ANKI_ASSERT(dynInfo.m_vertexBuffers[i].m_range == 0);
}
}
// Bind to state
memcpy(&state.m_vertBuffOffsets[0],
&offsets[0],
sizeof(offsets[0]) * m_vertBindingsCount);
}
memcpy(&state.m_vertBuffNames[0],
&m_vertBuffNames[0],
sizeof(m_vertBuffNames[0]) * m_vertBindingsCount);
state.m_vertBindingCount = m_vertBindingsCount;
state.m_vertBindingsDirty = true;
}
// Index buffer
if(m_indexSize > 0)
{
ANKI_ASSERT(slot == 0 && "Only slot 0 can have index buffers");
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_indexBuffName);
state.m_indexSize = m_indexSize;
}
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GL44_nglBindSamplers(JNIEnv *env, jclass clazz, jint first, jint count, jlong samplers, jlong function_pointer) {
const GLuint *samplers_address = (const GLuint *)(intptr_t)samplers;
glBindSamplersPROC glBindSamplers = (glBindSamplersPROC)((intptr_t)function_pointer);
glBindSamplers(first, count, samplers_address);
}
i32 main(i32 ArgCount, char ** Args)
{
char * path_exe = SDL_GetBasePath();
for(u32 i = 0, size = sizeof(RESRC); i < size; i += MAX_STR)
{
char path_res[MAX_STR];
SDL_memcpy(path_res, &RESRC.c[i], MAX_STR);
SDL_snprintf(&RESRC.c[i], MAX_STR, "%s%s", path_exe, path_res);
}
SDL_Window * sdl_window;
SDL_GLContext sdl_glcontext;
gfWindow(&sdl_window, &sdl_glcontext, 0, 0, "App", 1280, 720, 4);
const char * bobs[] =
{
RESRC.monkey_bob,
RESRC.sphere_bob,
RESRC.teapot_bob,
};
bob_t meshes = gfBobCreate(countof(bobs), bobs);
const char * bmps[] =
{
RESRC.texture_1,
RESRC.texture_2,
RESRC.texture_3,
};
gpu_texture_t textures = gfTextureCreateFromBmp(512, 512, 4, countof(bmps), bmps);
const char * cubemap_px[] = { RESRC.cubemap_px };
const char * cubemap_nx[] = { RESRC.cubemap_nx };
const char * cubemap_py[] = { RESRC.cubemap_py };
const char * cubemap_ny[] = { RESRC.cubemap_ny };
const char * cubemap_pz[] = { RESRC.cubemap_pz };
const char * cubemap_nz[] = { RESRC.cubemap_nz };
gpu_texture_t cubemaps = gfCubemapCreateFromBmp(512, 512, 4, countof(cubemap_px),
cubemap_px, cubemap_nx, cubemap_py, cubemap_ny, cubemap_pz, cubemap_nz
);
u32 vs_mesh = gfProgramCreateFromFile(GL_VERTEX_SHADER, RESRC.vs_mesh);
u32 fs_mesh = gfProgramCreateFromFile(GL_FRAGMENT_SHADER, RESRC.fs_mesh);
u32 pp_mesh = gfProgramPipelineCreate(vs_mesh, fs_mesh);
u32 vs_quad = gfProgramCreateFromFile(GL_VERTEX_SHADER, RESRC.vs_quad);
u32 fs_quad = gfProgramCreateFromFile(GL_FRAGMENT_SHADER, RESRC.fs_quad);
u32 pp_quad = gfProgramPipelineCreate(vs_quad, fs_quad);
u32 vs_cubemap = gfProgramCreateFromFile(GL_VERTEX_SHADER, RESRC.vs_cubemap);
u32 fs_cubemap = gfProgramCreateFromFile(GL_FRAGMENT_SHADER, RESRC.fs_cubemap);
u32 pp_cubemap = gfProgramPipelineCreate(vs_cubemap, fs_cubemap);
gpu_cmd_t cmd[3] = {0};
cmd[0].first = meshes.first.as_u32[0];
cmd[1].first = meshes.first.as_u32[1];
cmd[2].first = meshes.first.as_u32[2];
cmd[0].count = meshes.count.as_u32[0];
cmd[1].count = meshes.count.as_u32[1];
cmd[2].count = meshes.count.as_u32[2];
cmd[0].instance_first = 0;
cmd[1].instance_first = 30;
cmd[2].instance_first = 60;
cmd[0].instance_count = 30;
cmd[1].instance_count = 30;
cmd[2].instance_count = 30;
gpu_storage_t ins_first = gfStorageCreate(.format = x_u32, .count = countof(cmd));
gpu_storage_t ins_pos = gfStorageCreate(.format = xyz_f32, .count = 90);
for(u32 i = 0; i < ins_first.count; ++i)
{
ins_first.as_u32[i] = cmd[i].instance_first;
}
for(u32 i = 0, row = 10, space = 3; i < 90; ++i)
{
ins_pos.as_vec3[i].x = i * space - (i / row) * row * space;
ins_pos.as_vec3[i].y = 0;
ins_pos.as_vec3[i].z = (i / row) * space;
}
gpu_texture_t fbo_depth = gfTextureCreate(.w = 1280, 720, .format = depth_b32);
gpu_texture_t fbo_color = gfTextureCreate(.w = 1280, 720, .format = srgba_b8);
u32 fbo_colors[] =
{
[0] = fbo_color.id,
};
u32 fbo = gfFboCreate(fbo_depth.id, 0, countof(fbo_colors), fbo_colors, 0);
gpu_sampler_t s_textures = gfSamplerCreate(4);
gpu_sampler_t s_fbo = gfSamplerCreate(.min = GL_NEAREST, GL_NEAREST);
u32 state_textures[16] =
{
[0] = meshes.mesh_id.id,
[1] = meshes.attr_first.id,
[2] = meshes.attr_id.id,
[3] = meshes.pos.id,
[4] = meshes.uv.id,
[5] = meshes.normal.id,
[6] = ins_first.id,
[7] = ins_pos.id,
[8] = textures.id,
[9] = cubemaps.id,
[10] = fbo_color.id,
};
u32 state_samplers[16] =
{
[8] = s_textures.id,
[9] = s_textures.id,
[10] = s_fbo.id,
};
glBindTextures(0, 16, state_textures);
glBindSamplers(0, 16, state_samplers);
vec3 cam_pos = {23.518875f, 5.673130f, 26.649000f};
vec4 cam_rot = {-0.351835f, 0.231701f, 0.090335f, 0.902411f};
vec4 cam_prj = {0.f};
mat3 cam_mat = {0.f};
Perspective(
&cam_prj.x,
Aspect(sdl_window),
85.f * QFPC_TO_RAD,
0.01f, 1000.f
);
SDL_SetRelativeMouseMode(1);
u32 t_prev = SDL_GetTicks();
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
glEnable(GL_BLEND);
while(1)
{
u32 t_curr = SDL_GetTicks();
f64 dt = ((t_curr - t_prev) * 60.0) / 1000.0;
SDL_PumpEvents();
i32 mouse_x_rel = 0;
i32 mouse_y_rel = 0;
SDL_GetRelativeMouseState(&mouse_x_rel, &mouse_y_rel);
const u8 * key = SDL_GetKeyboardState(NULL);
quatFirstPersonCamera(
&cam_pos.x,
&cam_rot.x,
&cam_mat.sd_x,
0.10f,
0.05f * (f32)dt,
mouse_x_rel,
mouse_y_rel,
key[SDL_SCANCODE_W],
key[SDL_SCANCODE_A],
key[SDL_SCANCODE_S],
key[SDL_SCANCODE_D],
key[SDL_SCANCODE_E],
key[SDL_SCANCODE_Q]
);
static int show_pass = 0;
if(key[SDL_SCANCODE_1]) show_pass = 0;
if(key[SDL_SCANCODE_2]) show_pass = 1;
if(key[SDL_SCANCODE_3]) show_pass = 2;
if(key[SDL_SCANCODE_4]) show_pass = 3;
if(key[SDL_SCANCODE_5]) show_pass = 4;
glProgramUniform3fv(vs_mesh, 0, 1, &cam_pos.x);
glProgramUniform4fv(vs_mesh, 1, 1, &cam_rot.x);
glProgramUniform4fv(vs_mesh, 2, 1, &cam_prj.x);
glProgramUniform3fv(fs_mesh, 0, 1, &cam_pos.x);
glProgramUniform1iv(fs_mesh, 1, 1, &show_pass);
glProgramUniform4fv(vs_cubemap, 0, 1, &cam_rot.x);
glProgramUniform4fv(vs_cubemap, 1, 1, &cam_prj.x);
for(u32 i = 0; i < 90; ++i)
ins_pos.as_vec3[i].y = (f32)sin((t_curr * 0.0015f) + (i * 0.5f)) * 0.3f;
gfFboBind(fbo);
gfClear();
gfDraw(pp_mesh, countof(cmd), cmd);
gfFboBind(0);
gfClear();
if(!show_pass)
{
glDisable(GL_DEPTH_TEST);
gfFire(pp_cubemap, 36);
glEnable(GL_DEPTH_TEST);
}
gfFire(pp_quad, 6);
SDL_Event event;
while(SDL_PollEvent(&event))
{
if(event.type == SDL_QUIT)
goto exit;
}
SDL_GL_SwapWindow(sdl_window);
glFinish();
t_prev = t_curr;
}
exit: return 0;
}
