int _main_(int _argc, char** _argv)
{
uint32_t width = 1280;
uint32_t height = 720;
uint32_t debug = BGFX_DEBUG_TEXT;
uint32_t reset = BGFX_RESET_NONE;
bgfx::init();
bgfx::reset(width, height);
// Enable debug text.
bgfx::setDebug(debug);
// Set view 0 clear state.
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR_BIT|BGFX_CLEAR_DEPTH_BIT
, 0x303030ff
, 1.0f
, 0
);
// Setup root path for binary shaders. Shader binaries are different
// for each renderer.
switch (bgfx::getRendererType() )
{
default:
case bgfx::RendererType::Direct3D9:
s_shaderPath = "shaders/dx9/";
break;
case bgfx::RendererType::Direct3D11:
s_shaderPath = "shaders/dx11/";
break;
case bgfx::RendererType::OpenGL:
s_shaderPath = "shaders/glsl/";
s_flipV = true;
break;
case bgfx::RendererType::OpenGLES2:
case bgfx::RendererType::OpenGLES3:
s_shaderPath = "shaders/gles/";
s_flipV = true;
break;
}
// Create vertex stream declaration.
s_PosColorTexCoord0Decl.begin();
s_PosColorTexCoord0Decl.add(bgfx::Attrib::Position, 3, bgfx::AttribType::Float);
s_PosColorTexCoord0Decl.add(bgfx::Attrib::Color0, 4, bgfx::AttribType::Uint8, true);
s_PosColorTexCoord0Decl.add(bgfx::Attrib::TexCoord0, 2, bgfx::AttribType::Float);
s_PosColorTexCoord0Decl.end();
bgfx::UniformHandle u_time = bgfx::createUniform("u_time", bgfx::UniformType::Uniform1f);
bgfx::UniformHandle u_mtx = bgfx::createUniform("u_mtx", bgfx::UniformType::Uniform4x4fv);
bgfx::UniformHandle u_lightDir = bgfx::createUniform("u_lightDir", bgfx::UniformType::Uniform3fv);
bgfx::ProgramHandle raymarching = loadProgram("vs_raymarching", "fs_raymarching");
while (!processEvents(width, height, debug, reset) )
{
// Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, width, height);
// Set view 1 default viewport.
bgfx::setViewRect(1, 0, 0, width, height);
// This dummy draw call is here to make sure that view 0 is cleared
// if no other draw calls are submitted to viewZ 0.
bgfx::submit(0);
int64_t now = bx::getHPCounter();
static int64_t last = now;
const int64_t frameTime = now - last;
last = now;
const double freq = double(bx::getHPFrequency() );
const double toMs = 1000.0/freq;
// Use debug font to print information about this example.
bgfx::dbgTextClear();
bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/03-raymarch");
bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Updating shader uniforms.");
bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
float at[3] = { 0.0f, 0.0f, 0.0f };
float eye[3] = { 0.0f, 0.0f, -15.0f };
float view[16];
float proj[16];
mtxLookAt(view, eye, at);
mtxProj(proj, 60.0f, 16.0f/9.0f, 0.1f, 100.0f);
// Set view and projection matrix for view 1.
bgfx::setViewTransform(0, view, proj);
float ortho[16];
mtxOrtho(ortho, 0.0f, 1280.0f, 720.0f, 0.0f, 0.0f, 100.0f);
// Set view and projection matrix for view 0.
bgfx::setViewTransform(1, NULL, ortho);
float time = (float)(bx::getHPCounter()/double(bx::getHPFrequency() ) );
float vp[16];
mtxMul(vp, view, proj);
float mtx[16];
mtxRotateXY(mtx
, time
, time*0.37f
);
float mtxInv[16];
mtxInverse(mtxInv, mtx);
float lightDirModel[4] = { -0.4f, -0.5f, -1.0f, 0.0f };
float lightDirModelN[4];
vec3Norm(lightDirModelN, lightDirModel);
float lightDir[4];
vec4MulMtx(lightDir, lightDirModelN, mtxInv);
bgfx::setUniform(u_lightDir, lightDir);
float mvp[16];
mtxMul(mvp, mtx, vp);
float invMvp[16];
mtxInverse(invMvp, mvp);
bgfx::setUniform(u_mtx, invMvp);
bgfx::setUniform(u_time, &time);
renderScreenSpaceQuad(1, raymarching, 0.0f, 0.0f, 1280.0f, 720.0f);
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
}
// Cleanup.
bgfx::destroyProgram(raymarching);
bgfx::destroyUniform(u_time);
bgfx::destroyUniform(u_mtx);
bgfx::destroyUniform(u_lightDir);
// Shutdown bgfx.
bgfx::shutdown();
return 0;
}
int _main_(int _argc, char** _argv)
{
PosColorTexCoord0Vertex::init();
uint32_t width = 1280;
uint32_t height = 720;
uint32_t debug = BGFX_DEBUG_TEXT;
uint32_t reset = BGFX_RESET_NONE;
bgfx::init();
bgfx::reset(width, height);
// Enable debug text.
bgfx::setDebug(debug);
// Set view 0 clear state.
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR_BIT|BGFX_CLEAR_DEPTH_BIT
, 0x303030ff
, 1.0f
, 0
);
// Setup root path for binary shaders. Shader binaries are different
// for each renderer.
switch (bgfx::getRendererType() )
{
default:
case bgfx::RendererType::Direct3D9:
s_shaderPath = "shaders/dx9/";
s_texelHalf = 0.5f;
break;
case bgfx::RendererType::Direct3D11:
s_shaderPath = "shaders/dx11/";
break;
case bgfx::RendererType::OpenGL:
s_shaderPath = "shaders/glsl/";
s_flipV = true;
break;
case bgfx::RendererType::OpenGLES2:
case bgfx::RendererType::OpenGLES3:
s_shaderPath = "shaders/gles/";
s_flipV = true;
break;
}
const bgfx::Memory* mem;
mem = loadTexture("uffizi.dds");
bgfx::TextureHandle uffizi = bgfx::createTexture(mem);
bgfx::UniformHandle u_time = bgfx::createUniform("u_time", bgfx::UniformType::Uniform1f);
bgfx::UniformHandle u_texCube = bgfx::createUniform("u_texCube", bgfx::UniformType::Uniform1i);
bgfx::UniformHandle u_texColor = bgfx::createUniform("u_texColor", bgfx::UniformType::Uniform1i);
bgfx::UniformHandle u_texLum = bgfx::createUniform("u_texLum", bgfx::UniformType::Uniform1i);
bgfx::UniformHandle u_texBlur = bgfx::createUniform("u_texBlur", bgfx::UniformType::Uniform1i);
bgfx::UniformHandle u_mtx = bgfx::createUniform("u_mtx", bgfx::UniformType::Uniform4x4fv);
bgfx::UniformHandle u_tonemap = bgfx::createUniform("u_tonemap", bgfx::UniformType::Uniform4fv);
bgfx::UniformHandle u_offset = bgfx::createUniform("u_offset", bgfx::UniformType::Uniform4fv, 16);
bgfx::UniformHandle u_weight = bgfx::createUniform("u_weight", bgfx::UniformType::Uniform4fv, 16);
bgfx::ProgramHandle skyProgram = loadProgram("vs_hdr_skybox", "fs_hdr_skybox");
bgfx::ProgramHandle lumProgram = loadProgram("vs_hdr_lum", "fs_hdr_lum");
bgfx::ProgramHandle lumAvgProgram = loadProgram("vs_hdr_lumavg", "fs_hdr_lumavg");
bgfx::ProgramHandle blurProgram = loadProgram("vs_hdr_blur", "fs_hdr_blur");
bgfx::ProgramHandle brightProgram = loadProgram("vs_hdr_bright", "fs_hdr_bright");
bgfx::ProgramHandle meshProgram = loadProgram("vs_hdr_mesh", "fs_hdr_mesh");
bgfx::ProgramHandle tonemapProgram = loadProgram("vs_hdr_tonemap", "fs_hdr_tonemap");
Mesh mesh;
mesh.load("meshes/bunny.bin");
bgfx::RenderTargetHandle rt = bgfx::createRenderTarget(width, height, BGFX_RENDER_TARGET_COLOR_RGBA|BGFX_RENDER_TARGET_DEPTH|BGFX_RENDER_TARGET_MSAA_X8);
bgfx::RenderTargetHandle lum[5];
lum[0] = bgfx::createRenderTarget(128, 128, BGFX_RENDER_TARGET_COLOR_RGBA);
lum[1] = bgfx::createRenderTarget( 64, 64, BGFX_RENDER_TARGET_COLOR_RGBA);
lum[2] = bgfx::createRenderTarget( 16, 16, BGFX_RENDER_TARGET_COLOR_RGBA);
lum[3] = bgfx::createRenderTarget( 4, 4, BGFX_RENDER_TARGET_COLOR_RGBA);
lum[4] = bgfx::createRenderTarget( 1, 1, BGFX_RENDER_TARGET_COLOR_RGBA);
bgfx::RenderTargetHandle bright;
bright = bgfx::createRenderTarget(width/2, height/2, BGFX_RENDER_TARGET_COLOR_RGBA);
bgfx::RenderTargetHandle blur;
blur = bgfx::createRenderTarget(width/8, height/8, BGFX_RENDER_TARGET_COLOR_RGBA);
uint32_t oldWidth = 0;
uint32_t oldHeight = 0;
while (!processEvents(width, height, debug, reset) )
{
if (oldWidth != width
|| oldHeight != height)
{
// Recreate variable size render targets when resolution changes.
oldWidth = width;
oldHeight = height;
bgfx::destroyRenderTarget(rt);
bgfx::destroyRenderTarget(bright);
bgfx::destroyRenderTarget(blur);
rt = bgfx::createRenderTarget(width, height, BGFX_RENDER_TARGET_COLOR_RGBA|BGFX_RENDER_TARGET_DEPTH|BGFX_RENDER_TARGET_MSAA_X8);
bright = bgfx::createRenderTarget(width/2, height/2, BGFX_RENDER_TARGET_COLOR_RGBA);
blur = bgfx::createRenderTarget(width/8, height/8, BGFX_RENDER_TARGET_COLOR_RGBA);
}
// This dummy draw call is here to make sure that view 0 is cleared
// if no other draw calls are submitted to view 0.
bgfx::submit(0);
int64_t now = bx::getHPCounter();
static int64_t last = now;
const int64_t frameTime = now - last;
last = now;
const double freq = double(bx::getHPFrequency() );
const double toMs = 1000.0/freq;
float time = (float)(now/freq);
bgfx::setUniform(u_time, &time);
// Use debug font to print information about this example.
bgfx::dbgTextClear();
bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/09-hdr");
bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Using multiple views and render targets.");
bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
// Set views.
bgfx::setViewRectMask(0x1f, 0, 0, width, height);
bgfx::setViewRenderTargetMask(0x3, rt);
bgfx::setViewRect(2, 0, 0, 128, 128);
bgfx::setViewRenderTarget(2, lum[0]);
bgfx::setViewRect(3, 0, 0, 64, 64);
bgfx::setViewRenderTarget(3, lum[1]);
bgfx::setViewRect(4, 0, 0, 16, 16);
bgfx::setViewRenderTarget(4, lum[2]);
bgfx::setViewRect(5, 0, 0, 4, 4);
bgfx::setViewRenderTarget(5, lum[3]);
bgfx::setViewRect(6, 0, 0, 1, 1);
bgfx::setViewRenderTarget(6, lum[4]);
bgfx::setViewRect(7, 0, 0, width/2, height/2);
bgfx::setViewRenderTarget(7, bright);
bgfx::setViewRect(8, 0, 0, width/8, height/8);
bgfx::setViewRenderTarget(8, blur);
bgfx::setViewRect(9, 0, 0, width, height);
float view[16];
float proj[16];
mtxIdentity(view);
mtxOrtho(proj, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 100.0f);
// Set view and projection matrix for view 0.
bgfx::setViewTransformMask(0
|(1<<0)
|(1<<2)
|(1<<3)
|(1<<4)
|(1<<5)
|(1<<6)
|(1<<7)
|(1<<8)
|(1<<9)
, view
, proj
);
float at[3] = { 0.0f, 1.0f, 0.0f };
float eye[3] = { 0.0f, 1.0f, -2.5f };
float mtx[16];
mtxRotateXY(mtx
, 0.0f
, time*0.37f
);
float temp[4];
vec3MulMtx(temp, eye, mtx);
mtxLookAt(view, temp, at);
mtxProj(proj, 60.0f, 16.0f/9.0f, 0.1f, 100.0f);
// Set view and projection matrix for view 1.
bgfx::setViewTransformMask(1<<1, view, proj);
bgfx::setUniform(u_mtx, mtx);
// Render skybox into view 0.
bgfx::setTexture(0, u_texCube, uffizi);
bgfx::setProgram(skyProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad( (float)width, (float)height, true);
bgfx::submit(0);
// Render mesh into view 1
bgfx::setTexture(0, u_texCube, uffizi);
mesh.submit(1, meshProgram, NULL);
// Calculate luminance.
setOffsets2x2Lum(u_offset, 128, 128);
bgfx::setTexture(0, u_texColor, rt);
bgfx::setProgram(lumProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(128.0f, 128.0f, s_flipV);
bgfx::submit(2);
// Downscale luminance 0.
setOffsets4x4Lum(u_offset, 128, 128);
bgfx::setTexture(0, u_texColor, lum[0]);
bgfx::setProgram(lumAvgProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(64.0f, 64.0f, s_flipV);
bgfx::submit(3);
// Downscale luminance 1.
setOffsets4x4Lum(u_offset, 64, 64);
bgfx::setTexture(0, u_texColor, lum[1]);
bgfx::setProgram(lumAvgProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(16.0f, 16.0f, s_flipV);
bgfx::submit(4);
// Downscale luminance 2.
setOffsets4x4Lum(u_offset, 16, 16);
bgfx::setTexture(0, u_texColor, lum[2]);
bgfx::setProgram(lumAvgProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(4.0f, 4.0f, s_flipV);
bgfx::submit(5);
// Downscale luminance 3.
setOffsets4x4Lum(u_offset, 4, 4);
bgfx::setTexture(0, u_texColor, lum[3]);
bgfx::setProgram(lumAvgProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(1.0f, 1.0f, s_flipV);
bgfx::submit(6);
float tonemap[4] = { 0.18f, square(1.1f), 1.5f, 0.0f };
bgfx::setUniform(u_tonemap, tonemap);
// Bright pass treshold is tonemap[3].
setOffsets4x4Lum(u_offset, width/2, height/2);
bgfx::setTexture(0, u_texColor, rt);
bgfx::setTexture(1, u_texLum, lum[4]);
bgfx::setProgram(brightProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad( (float)width/2.0f, (float)height/2.0f, s_flipV);
bgfx::submit(7);
// Blur bright pass vertically.
bgfx::setTexture(0, u_texColor, bright);
bgfx::setProgram(blurProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad( (float)width/8.0f, (float)height/8.0f, s_flipV);
bgfx::submit(8);
// Blur bright pass horizontally, do tonemaping and combine.
bgfx::setTexture(0, u_texColor, rt);
bgfx::setTexture(1, u_texLum, lum[4]);
bgfx::setTexture(2, u_texBlur, blur);
bgfx::setProgram(tonemapProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad( (float)width, (float)height, s_flipV);
bgfx::submit(9);
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
}
// Cleanup.
mesh.unload();
bgfx::destroyRenderTarget(lum[0]);
bgfx::destroyRenderTarget(lum[1]);
bgfx::destroyRenderTarget(lum[2]);
bgfx::destroyRenderTarget(lum[3]);
bgfx::destroyRenderTarget(lum[4]);
bgfx::destroyRenderTarget(bright);
bgfx::destroyRenderTarget(blur);
bgfx::destroyRenderTarget(rt);
bgfx::destroyProgram(meshProgram);
bgfx::destroyProgram(skyProgram);
bgfx::destroyProgram(tonemapProgram);
bgfx::destroyProgram(lumProgram);
bgfx::destroyProgram(lumAvgProgram);
bgfx::destroyProgram(blurProgram);
bgfx::destroyProgram(brightProgram);
bgfx::destroyTexture(uffizi);
bgfx::destroyUniform(u_time);
bgfx::destroyUniform(u_texCube);
bgfx::destroyUniform(u_texColor);
bgfx::destroyUniform(u_texLum);
bgfx::destroyUniform(u_texBlur);
bgfx::destroyUniform(u_mtx);
bgfx::destroyUniform(u_tonemap);
bgfx::destroyUniform(u_offset);
bgfx::destroyUniform(u_weight);
// Shutdown bgfx.
bgfx::shutdown();
return 0;
}
int _main_(int /*_argc*/, char** /*_argv*/)
{
PosColorTexCoord0Vertex::init();
uint32_t width = 1280;
uint32_t height = 720;
uint32_t debug = BGFX_DEBUG_TEXT;
uint32_t reset = BGFX_RESET_VSYNC;
bgfx::init();
bgfx::reset(width, height, reset);
// Enable debug text.
bgfx::setDebug(debug);
// Set view 0 clear state.
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR_BIT|BGFX_CLEAR_DEPTH_BIT
, 0x303030ff
, 1.0f
, 0
);
bgfx::TextureHandle uffizi = loadTexture("uffizi.dds", BGFX_TEXTURE_U_CLAMP|BGFX_TEXTURE_V_CLAMP|BGFX_TEXTURE_W_CLAMP);
bgfx::ProgramHandle skyProgram = loadProgram("vs_hdr_skybox", "fs_hdr_skybox");
bgfx::ProgramHandle lumProgram = loadProgram("vs_hdr_lum", "fs_hdr_lum");
bgfx::ProgramHandle lumAvgProgram = loadProgram("vs_hdr_lumavg", "fs_hdr_lumavg");
bgfx::ProgramHandle blurProgram = loadProgram("vs_hdr_blur", "fs_hdr_blur");
bgfx::ProgramHandle brightProgram = loadProgram("vs_hdr_bright", "fs_hdr_bright");
bgfx::ProgramHandle meshProgram = loadProgram("vs_hdr_mesh", "fs_hdr_mesh");
bgfx::ProgramHandle tonemapProgram = loadProgram("vs_hdr_tonemap", "fs_hdr_tonemap");
bgfx::UniformHandle u_time = bgfx::createUniform("u_time", bgfx::UniformType::Uniform1f);
bgfx::UniformHandle u_texCube = bgfx::createUniform("u_texCube", bgfx::UniformType::Uniform1i);
bgfx::UniformHandle u_texColor = bgfx::createUniform("u_texColor", bgfx::UniformType::Uniform1i);
bgfx::UniformHandle u_texLum = bgfx::createUniform("u_texLum", bgfx::UniformType::Uniform1i);
bgfx::UniformHandle u_texBlur = bgfx::createUniform("u_texBlur", bgfx::UniformType::Uniform1i);
bgfx::UniformHandle u_mtx = bgfx::createUniform("u_mtx", bgfx::UniformType::Uniform4x4fv);
bgfx::UniformHandle u_tonemap = bgfx::createUniform("u_tonemap", bgfx::UniformType::Uniform4fv);
bgfx::UniformHandle u_offset = bgfx::createUniform("u_offset", bgfx::UniformType::Uniform4fv, 16);
Mesh* mesh = meshLoad("meshes/bunny.bin");
bgfx::FrameBufferHandle fbh;
bgfx::TextureHandle fbtextures[] =
{
bgfx::createTexture2D(width, height, 1, bgfx::TextureFormat::BGRA8, BGFX_TEXTURE_RT|BGFX_TEXTURE_U_CLAMP|BGFX_TEXTURE_V_CLAMP),
bgfx::createTexture2D(width, height, 1, bgfx::TextureFormat::D16, BGFX_TEXTURE_RT_BUFFER_ONLY),
};
fbh = bgfx::createFrameBuffer(BX_COUNTOF(fbtextures), fbtextures, true);
bgfx::FrameBufferHandle lum[5];
lum[0] = bgfx::createFrameBuffer(128, 128, bgfx::TextureFormat::BGRA8);
lum[1] = bgfx::createFrameBuffer( 64, 64, bgfx::TextureFormat::BGRA8);
lum[2] = bgfx::createFrameBuffer( 16, 16, bgfx::TextureFormat::BGRA8);
lum[3] = bgfx::createFrameBuffer( 4, 4, bgfx::TextureFormat::BGRA8);
lum[4] = bgfx::createFrameBuffer( 1, 1, bgfx::TextureFormat::BGRA8);
bgfx::FrameBufferHandle bright;
bright = bgfx::createFrameBuffer(width/2, height/2, bgfx::TextureFormat::BGRA8);
bgfx::FrameBufferHandle blur;
blur = bgfx::createFrameBuffer(width/8, height/8, bgfx::TextureFormat::BGRA8);
void* data = load("font/droidsans.ttf");
imguiCreate(data);
free(data);
float speed = 0.37f;
float middleGray = 0.18f;
float white = 1.1f;
float treshold = 1.5f;
int32_t scrollArea = 0;
uint32_t oldWidth = 0;
uint32_t oldHeight = 0;
uint32_t oldReset = reset;
entry::MouseState mouseState;
float time = 0.0f;
while (!entry::processEvents(width, height, debug, reset, &mouseState) )
{
if (oldWidth != width
|| oldHeight != height
|| oldReset != reset)
{
// Recreate variable size render targets when resolution changes.
oldWidth = width;
oldHeight = height;
oldReset = reset;
uint32_t msaa = (reset&BGFX_RESET_MSAA_MASK)>>BGFX_RESET_MSAA_SHIFT;
bgfx::destroyFrameBuffer(fbh);
bgfx::destroyFrameBuffer(bright);
bgfx::destroyFrameBuffer(blur);
fbtextures[0] = bgfx::createTexture2D(width, height, 1, bgfx::TextureFormat::BGRA8, ( (msaa+1)<<BGFX_TEXTURE_RT_MSAA_SHIFT)|BGFX_TEXTURE_U_CLAMP|BGFX_TEXTURE_V_CLAMP);
fbtextures[1] = bgfx::createTexture2D(width, height, 1, bgfx::TextureFormat::D16, BGFX_TEXTURE_RT_BUFFER_ONLY|( (msaa+1)<<BGFX_TEXTURE_RT_MSAA_SHIFT) );
fbh = bgfx::createFrameBuffer(BX_COUNTOF(fbtextures), fbtextures, true);
bright = bgfx::createFrameBuffer(width/2, height/2, bgfx::TextureFormat::BGRA8);
blur = bgfx::createFrameBuffer(width/8, height/8, bgfx::TextureFormat::BGRA8);
}
imguiBeginFrame(mouseState.m_mx
, mouseState.m_my
, (mouseState.m_buttons[entry::MouseButton::Left ] ? IMGUI_MBUT_LEFT : 0)
| (mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT : 0)
, 0
, width
, height
);
imguiBeginScrollArea("Settings", width - width / 5 - 10, 10, width / 5, height / 3, &scrollArea);
imguiSeparatorLine();
imguiSlider("Speed", &speed, 0.0f, 1.0f, 0.01f);
imguiSeparator();
imguiSlider("Middle gray", &middleGray, 0.1f, 1.0f, 0.01f);
imguiSlider("White point", &white, 0.1f, 2.0f, 0.01f);
imguiSlider("Treshold", &treshold, 0.1f, 2.0f, 0.01f);
imguiEndScrollArea();
imguiEndFrame();
// This dummy draw call is here to make sure that view 0 is cleared
// if no other draw calls are submitted to view 0.
bgfx::submit(0);
int64_t now = bx::getHPCounter();
static int64_t last = now;
const int64_t frameTime = now - last;
last = now;
const double freq = double(bx::getHPFrequency() );
const double toMs = 1000.0/freq;
time += (float)(frameTime*speed/freq);
bgfx::setUniform(u_time, &time);
// Use debug font to print information about this example.
bgfx::dbgTextClear();
bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/09-hdr");
bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Using multiple views and render targets.");
bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
// Set views.
bgfx::setViewRectMask(0x1f, 0, 0, width, height);
bgfx::setViewFrameBufferMask(0x3, fbh);
bgfx::setViewRect(2, 0, 0, 128, 128);
bgfx::setViewFrameBuffer(2, lum[0]);
bgfx::setViewRect(3, 0, 0, 64, 64);
bgfx::setViewFrameBuffer(3, lum[1]);
bgfx::setViewRect(4, 0, 0, 16, 16);
bgfx::setViewFrameBuffer(4, lum[2]);
bgfx::setViewRect(5, 0, 0, 4, 4);
bgfx::setViewFrameBuffer(5, lum[3]);
bgfx::setViewRect(6, 0, 0, 1, 1);
bgfx::setViewFrameBuffer(6, lum[4]);
bgfx::setViewRect(7, 0, 0, width/2, height/2);
bgfx::setViewFrameBuffer(7, bright);
bgfx::setViewRect(8, 0, 0, width/8, height/8);
bgfx::setViewFrameBuffer(8, blur);
bgfx::setViewRect(9, 0, 0, width, height);
float view[16];
float proj[16];
mtxIdentity(view);
mtxOrtho(proj, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 100.0f);
// Set view and projection matrix for view 0.
bgfx::setViewTransformMask(0
|(1<<0)
|(1<<2)
|(1<<3)
|(1<<4)
|(1<<5)
|(1<<6)
|(1<<7)
|(1<<8)
|(1<<9)
, view
, proj
);
float at[3] = { 0.0f, 1.0f, 0.0f };
float eye[3] = { 0.0f, 1.0f, -2.5f };
float mtx[16];
mtxRotateXY(mtx
, 0.0f
, time
);
float temp[4];
vec3MulMtx(temp, eye, mtx);
mtxLookAt(view, temp, at);
mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
// Set view and projection matrix for view 1.
bgfx::setViewTransformMask(1<<1, view, proj);
bgfx::setUniform(u_mtx, mtx);
// Render skybox into view 0.
bgfx::setTexture(0, u_texCube, uffizi);
bgfx::setProgram(skyProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad( (float)width, (float)height, true);
bgfx::submit(0);
// Render mesh into view 1
bgfx::setTexture(0, u_texCube, uffizi);
meshSubmit(mesh, 1, meshProgram, NULL);
// Calculate luminance.
setOffsets2x2Lum(u_offset, 128, 128);
bgfx::setTexture(0, u_texColor, fbtextures[0]);
bgfx::setProgram(lumProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(128.0f, 128.0f, s_flipV);
bgfx::submit(2);
// Downscale luminance 0.
setOffsets4x4Lum(u_offset, 128, 128);
bgfx::setTexture(0, u_texColor, lum[0]);
bgfx::setProgram(lumAvgProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(64.0f, 64.0f, s_flipV);
bgfx::submit(3);
// Downscale luminance 1.
setOffsets4x4Lum(u_offset, 64, 64);
bgfx::setTexture(0, u_texColor, lum[1]);
bgfx::setProgram(lumAvgProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(16.0f, 16.0f, s_flipV);
bgfx::submit(4);
// Downscale luminance 2.
setOffsets4x4Lum(u_offset, 16, 16);
bgfx::setTexture(0, u_texColor, lum[2]);
bgfx::setProgram(lumAvgProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(4.0f, 4.0f, s_flipV);
bgfx::submit(5);
// Downscale luminance 3.
setOffsets4x4Lum(u_offset, 4, 4);
bgfx::setTexture(0, u_texColor, lum[3]);
bgfx::setProgram(lumAvgProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(1.0f, 1.0f, s_flipV);
bgfx::submit(6);
float tonemap[4] = { middleGray, square(white), treshold, 0.0f };
bgfx::setUniform(u_tonemap, tonemap);
// Bright pass treshold is tonemap[3].
setOffsets4x4Lum(u_offset, width/2, height/2);
bgfx::setTexture(0, u_texColor, fbtextures[0]);
bgfx::setTexture(1, u_texLum, lum[4]);
bgfx::setProgram(brightProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad( (float)width/2.0f, (float)height/2.0f, s_flipV);
bgfx::submit(7);
// Blur bright pass vertically.
bgfx::setTexture(0, u_texColor, bright);
bgfx::setProgram(blurProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad( (float)width/8.0f, (float)height/8.0f, s_flipV);
bgfx::submit(8);
// Blur bright pass horizontally, do tonemaping and combine.
bgfx::setTexture(0, u_texColor, fbtextures[0]);
bgfx::setTexture(1, u_texLum, lum[4]);
bgfx::setTexture(2, u_texBlur, blur);
bgfx::setProgram(tonemapProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad( (float)width, (float)height, s_flipV);
bgfx::submit(9);
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
}
int _main_(int /*_argc*/, char** /*_argv*/)
{
// Create vertex stream declaration.
PosColorVertex::init();
PosColorTexCoord0Vertex::init();
uint32_t width = 1280;
uint32_t height = 720;
uint32_t debug = BGFX_DEBUG_TEXT;
uint32_t reset = BGFX_RESET_VSYNC;
bgfx::init();
bgfx::reset(width, height, reset);
// Enable debug text.
bgfx::setDebug(debug);
// Get renderer capabilities info.
const bgfx::Caps* caps = bgfx::getCaps();
// Setup root path for binary shaders. Shader binaries are different
// for each renderer.
switch (caps->rendererType)
{
default:
case bgfx::RendererType::Direct3D9:
s_shaderPath = "shaders/dx9/";
s_texelHalf = 0.5f;
break;
case bgfx::RendererType::Direct3D11:
s_shaderPath = "shaders/dx11/";
break;
case bgfx::RendererType::OpenGL:
s_shaderPath = "shaders/glsl/";
s_flipV = true;
break;
case bgfx::RendererType::OpenGLES:
s_shaderPath = "shaders/gles/";
s_flipV = true;
break;
}
// Imgui.
FILE* file = fopen("font/droidsans.ttf", "rb");
uint32_t size = (uint32_t)fsize(file);
void* data = malloc(size);
size_t ignore = fread(data, 1, size, file);
BX_UNUSED(ignore);
fclose(file);
imguiCreate(data, size);
const bgfx::Memory* mem;
// Create static vertex buffer.
mem = bgfx::makeRef(s_cubeVertices, sizeof(s_cubeVertices) );
bgfx::VertexBufferHandle vbh = bgfx::createVertexBuffer(mem, PosColorVertex::ms_decl);
// Create static index buffer.
mem = bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) );
bgfx::IndexBufferHandle ibh = bgfx::createIndexBuffer(mem);
// Create texture sampler uniforms.
bgfx::UniformHandle u_texColor0 = bgfx::createUniform("u_texColor0", bgfx::UniformType::Uniform1iv);
bgfx::UniformHandle u_texColor1 = bgfx::createUniform("u_texColor1", bgfx::UniformType::Uniform1iv);
bgfx::UniformHandle u_color = bgfx::createUniform("u_color", bgfx::UniformType::Uniform4fv);
bgfx::ProgramHandle blend = loadProgram("vs_oit", "fs_oit" );
bgfx::ProgramHandle wbSeparatePass = loadProgram("vs_oit", "fs_oit_wb_separate" );
bgfx::ProgramHandle wbSeparateBlit = loadProgram("vs_oit_blit", "fs_oit_wb_separate_blit" );
bgfx::ProgramHandle wbPass = loadProgram("vs_oit", "fs_oit_wb" );
bgfx::ProgramHandle wbBlit = loadProgram("vs_oit_blit", "fs_oit_wb_blit" );
bgfx::TextureHandle fbtextures[2] = { BGFX_INVALID_HANDLE, BGFX_INVALID_HANDLE };
bgfx::FrameBufferHandle fbh = BGFX_INVALID_HANDLE;
int64_t timeOffset = bx::getHPCounter();
uint32_t mode = 1;
int32_t scrollArea = 0;
bool frontToBack = true;
bool fadeInOut = false;
uint32_t oldWidth = 0;
uint32_t oldHeight = 0;
uint32_t oldReset = reset;
entry::MouseState mouseState;
while (!entry::processEvents(width, height, debug, reset, &mouseState) )
{
if (oldWidth != width
|| oldHeight != height
|| oldReset != reset
|| !bgfx::isValid(fbh) )
{
// Recreate variable size render targets when resolution changes.
oldWidth = width;
oldHeight = height;
oldReset = reset;
if (bgfx::isValid(fbh) )
{
bgfx::destroyFrameBuffer(fbh);
}
fbtextures[0] = bgfx::createTexture2D(width, height, 1, bgfx::TextureFormat::RGBA16F, BGFX_TEXTURE_RT),
fbtextures[1] = bgfx::createTexture2D(width, height, 1, bgfx::TextureFormat::R16F, BGFX_TEXTURE_RT),
fbh = bgfx::createFrameBuffer(BX_COUNTOF(fbtextures), fbtextures, true);
}
imguiBeginFrame(mouseState.m_mx
, mouseState.m_my
, (mouseState.m_buttons[entry::MouseButton::Left ] ? IMGUI_MBUT_LEFT : 0)
| (mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT : 0)
, 0
, width
, height
);
imguiBeginScrollArea("Settings", width - width / 4 - 10, 10, width / 4, height / 3, &scrollArea);
imguiSeparatorLine();
imguiLabel("Blend mode:");
mode = imguiChoose(mode
, "None"
, "Separate"
, "MRT Independent"
);
imguiSeparatorLine();
if (imguiCheck("Front to back", frontToBack) )
{
frontToBack ^= true;
}
if (imguiCheck("Fade in/out", fadeInOut) )
{
fadeInOut ^= true;
}
imguiEndScrollArea();
imguiEndFrame();
// Set view 0 default viewport.
bgfx::setViewRectMask(0x3, 0, 0, width, height);
int64_t now = bx::getHPCounter();
static int64_t last = now;
const int64_t frameTime = now - last;
last = now;
const double freq = double(bx::getHPFrequency() );
const double toMs = 1000.0/freq;
float time = (float)( (now-timeOffset)/freq);
// Use debug font to print information about this example.
bgfx::dbgTextClear();
// Reference:
// Weighted, Blended Order-Independent Transparency
// http://jcgt.org/published/0002/02/09/
// http://casual-effects.blogspot.com/2014/03/weighted-blended-order-independent.html
bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/19-oit");
bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Weighted, Blended Order Independent Transparency.");
bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
float at[3] = { 0.0f, 0.0f, 0.0f };
float eye[3] = { 0.0f, 0.0f, -7.0f };
float view[16];
float proj[16];
// Set view and projection matrix for view 0.
mtxLookAt(view, eye, at);
mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
bgfx::setViewTransform(0, view, proj);
bgfx::setViewClearMask(0x3
, BGFX_CLEAR_COLOR_BIT|BGFX_CLEAR_DEPTH_BIT
, 0x00000000
, 1.0f
, 0
);
bgfx::FrameBufferHandle invalid = BGFX_INVALID_HANDLE;
bgfx::setViewFrameBuffer(0, 0 == mode ? invalid : fbh);
// Set view and projection matrix for view 1.
mtxIdentity(view);
mtxOrtho(proj, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 100.0f);
bgfx::setViewTransform(1, view, proj);
for (uint32_t depth = 0; depth < 3; ++depth)
{
uint32_t zz = frontToBack ? 2-depth : depth;
for (uint32_t yy = 0; yy < 3; ++yy)
{
for (uint32_t xx = 0; xx < 3; ++xx)
{
float color[4] = { xx*1.0f/3.0f, zz*1.0f/3.0f, yy*1.0f/3.0f, 0.5f };
if (fadeInOut
&& zz == 1)
{
color[3] = sinf(time*3.0f)*0.49f+0.5f;
}
bgfx::setUniform(u_color, color);
BX_UNUSED(time);
float mtx[16];
mtxRotateXY(mtx, time*0.023f + xx*0.21f, time*0.03f + yy*0.37f);
//mtxIdentity(mtx);
mtx[12] = -2.5f + float(xx)*2.5f;
mtx[13] = -2.5f + float(yy)*2.5f;
mtx[14] = -2.5f + float(zz)*2.5f; //0.0f; // sinf(time + ( (xx+1)*(yy+1)/9.0f)*float(M_PI) )*50.0f+50.0f; //90.0f - (xx+1)*(yy+1)*10.0f;
// Set transform for draw call.
bgfx::setTransform(mtx);
// Set vertex and index buffer.
bgfx::setVertexBuffer(vbh);
bgfx::setIndexBuffer(ibh);
const uint64_t state = 0
| BGFX_STATE_CULL_CW
| BGFX_STATE_RGB_WRITE
| BGFX_STATE_ALPHA_WRITE
| BGFX_STATE_DEPTH_TEST_LESS
| BGFX_STATE_MSAA
;
switch (mode)
{
case 0:
// Set vertex and fragment shaders.
bgfx::setProgram(blend);
// Set render states.
bgfx::setState(state
| BGFX_STATE_BLEND_ALPHA
);
break;
case 1:
// Set vertex and fragment shaders.
bgfx::setProgram(wbSeparatePass);
// Set render states.
bgfx::setState(state
| BGFX_STATE_BLEND_FUNC_SEPARATE(BGFX_STATE_BLEND_ONE, BGFX_STATE_BLEND_ONE, BGFX_STATE_BLEND_ZERO, BGFX_STATE_BLEND_INV_SRC_ALPHA)
);
break;
default:
// Set vertex and fragment shaders.
bgfx::setProgram(wbPass);
// Set render states.
bgfx::setState(state
| BGFX_STATE_BLEND_FUNC(BGFX_STATE_BLEND_ONE, BGFX_STATE_BLEND_ONE)
| BGFX_STATE_BLEND_INDEPENDENT
, 0
| BGFX_STATE_BLEND_FUNC_RT_1(BGFX_STATE_BLEND_ZERO, BGFX_STATE_BLEND_SRC_COLOR)
);
break;
}
// Submit primitive for rendering to view 0.
bgfx::submit(0);
}
}
}
if (0 != mode)
{
bgfx::setTexture(0, u_texColor0, fbtextures[0]);
bgfx::setTexture(1, u_texColor1, fbtextures[1]);
bgfx::setProgram(1 == mode ? wbSeparateBlit : wbBlit);
bgfx::setState(0
| BGFX_STATE_RGB_WRITE
| BGFX_STATE_BLEND_FUNC(BGFX_STATE_BLEND_INV_SRC_ALPHA, BGFX_STATE_BLEND_SRC_ALPHA)
);
screenSpaceQuad( (float)width, (float)height, s_flipV);
bgfx::submit(1);
}
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
}
// Cleanup.
imguiDestroy();
bgfx::destroyFrameBuffer(fbh);
bgfx::destroyIndexBuffer(ibh);
bgfx::destroyVertexBuffer(vbh);
bgfx::destroyProgram(blend);
bgfx::destroyProgram(wbSeparatePass);
bgfx::destroyProgram(wbSeparateBlit);
bgfx::destroyProgram(wbPass);
bgfx::destroyProgram(wbBlit);
bgfx::destroyUniform(u_texColor0);
bgfx::destroyUniform(u_texColor1);
bgfx::destroyUniform(u_color);
// Shutdown bgfx.
bgfx::shutdown();
return 0;
}
int _main_(int /*_argc*/, char** /*_argv*/)
{
uint32_t width = 1280;
uint32_t height = 720;
uint32_t debug = BGFX_DEBUG_TEXT;
uint32_t reset = BGFX_RESET_VSYNC;
bgfx::init();
bgfx::reset(width, height, reset);
// Enable debug text.
bgfx::setDebug(debug);
// Setup root path for binary shaders. Shader binaries are different
// for each renderer.
switch (bgfx::getRendererType() )
{
default:
case bgfx::RendererType::Direct3D9:
s_shaderPath = "shaders/dx9/";
s_texelHalf = 0.5f;
break;
case bgfx::RendererType::Direct3D11:
s_shaderPath = "shaders/dx11/";
break;
case bgfx::RendererType::OpenGL:
s_shaderPath = "shaders/glsl/";
s_flipV = true;
break;
case bgfx::RendererType::OpenGLES2:
case bgfx::RendererType::OpenGLES3:
s_shaderPath = "shaders/gles/";
s_flipV = true;
break;
}
// Uniforms.
u_shadowMap = bgfx::createUniform("u_shadowMap", bgfx::UniformType::Uniform1iv);
bgfx::UniformHandle u_lightPos = bgfx::createUniform("u_lightPos", bgfx::UniformType::Uniform4fv);
bgfx::UniformHandle u_lightMtx = bgfx::createUniform("u_lightMtx", bgfx::UniformType::Uniform4x4fv);
// Programs.
bgfx::ProgramHandle progPackDepth = loadProgram("vs_smsimple_packdepth", "fs_smsimple_packdepth");
bgfx::ProgramHandle progDraw = loadProgram("vs_smsimple_draw", "fs_smsimple_draw");
// Vertex declarations.
bgfx::VertexDecl PosNormalDecl;
PosNormalDecl.begin();
PosNormalDecl.add(bgfx::Attrib::Position, 3, bgfx::AttribType::Float);
PosNormalDecl.add(bgfx::Attrib::Normal, 4, bgfx::AttribType::Uint8, true, true);
PosNormalDecl.end();
// Meshes.
Mesh bunnyMesh;
Mesh cubeMesh;
Mesh hollowcubeMesh;
Mesh hplaneMesh;
bunnyMesh.load("meshes/bunny.bin");
cubeMesh.load("meshes/cube.bin");
hollowcubeMesh.load("meshes/hollowcube.bin");
hplaneMesh.load(s_hplaneVertices, s_numHPlaneVertices, PosNormalDecl, s_planeIndices, s_numPlaneIndices);
// Render targets.
uint16_t shadowMapSize = 512;
bgfx::TextureHandle fbtextures[] =
{
bgfx::createTexture2D(shadowMapSize, shadowMapSize, 1, bgfx::TextureFormat::BGRA8, BGFX_TEXTURE_RT),
bgfx::createTexture2D(shadowMapSize, shadowMapSize, 1, bgfx::TextureFormat::D16, BGFX_TEXTURE_RT_BUFFER_ONLY),
};
s_shadowMapFB = bgfx::createFrameBuffer(BX_COUNTOF(fbtextures), fbtextures, true);
// Set view and projection matrices.
float view[16];
float proj[16];
const float eye[3] = { 0.0f, 30.0f, -60.0f };
const float at[3] = { 0.0f, 5.0f, 0.0f };
mtxLookAt(view, eye, at);
const float aspect = float(int32_t(width) ) / float(int32_t(height) );
mtxProj(proj, 60.0f, aspect, 0.1f, 1000.0f);
// Time acumulators.
float timeAccumulatorLight = 0.0f;
float timeAccumulatorScene = 0.0f;
entry::MouseState mouseState;
while (!entry::processEvents(width, height, debug, reset, &mouseState) )
{
// Time.
int64_t now = bx::getHPCounter();
static int64_t last = now;
const int64_t frameTime = now - last;
last = now;
const double freq = double(bx::getHPFrequency() );
const double toMs = 1000.0/freq;
const float deltaTime = float(frameTime/freq);
// Update time accumulators.
timeAccumulatorLight += deltaTime;
timeAccumulatorScene += deltaTime;
// Use debug font to print information about this example.
bgfx::dbgTextClear();
bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/15-shadowmaps-simple");
bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Shadow maps example.");
bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
// Setup lights.
float lightPos[4];
lightPos[0] = -cos(timeAccumulatorLight);
lightPos[1] = -1.0f;
lightPos[2] = -sin(timeAccumulatorLight);
lightPos[3] = 0.0f;
bgfx::setUniform(u_lightPos, lightPos);
// Setup instance matrices.
float mtxFloor[16];
mtxScaleRotateTranslate(mtxFloor
, 30.0f //scaleX
, 30.0f //scaleY
, 30.0f //scaleZ
, 0.0f //rotX
, 0.0f //rotY
, 0.0f //rotZ
, 0.0f //translateX
, 0.0f //translateY
, 0.0f //translateZ
);
float mtxBunny[16];
mtxScaleRotateTranslate(mtxBunny
, 5.0f
, 5.0f
, 5.0f
, 0.0f
, float(M_PI) - timeAccumulatorScene
, 0.0f
, 15.0f
, 5.0f
, 0.0f
);
float mtxHollowcube[16];
mtxScaleRotateTranslate(mtxHollowcube
, 2.5f
, 2.5f
, 2.5f
, 0.0f
, 1.56f - timeAccumulatorScene
, 0.0f
, 0.0f
, 10.0f
, 0.0f
);
float mtxCube[16];
mtxScaleRotateTranslate(mtxCube
, 2.5f
, 2.5f
, 2.5f
, 0.0f
, 1.56f - timeAccumulatorScene
, 0.0f
, -15.0f
, 5.0f
, 0.0f
);
// Define matrices.
float screenView[16];
float screenProj[16];
mtxIdentity(screenView);
mtxOrtho(screenProj, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 100.0f);
float lightView[16];
float lightProj[16];
const float eye[3] =
{
-lightPos[0],
-lightPos[1],
-lightPos[2],
};
const float at[3] = { 0.0f, 0.0f, 0.0f };
mtxLookAt(lightView, eye, at);
const float area = 30.0f;
mtxOrtho(lightProj, -area, area, -area, area, -100.0f, 100.0f);
bgfx::setViewRect(RENDER_SHADOW_PASS_ID, 0, 0, shadowMapSize, shadowMapSize);
bgfx::setViewRect(RENDER_SCENE_PASS_ID, 0, 0, width, height);
bgfx::setViewTransform(RENDER_SHADOW_PASS_ID, lightView, lightProj);
bgfx::setViewTransform(RENDER_SCENE_PASS_ID, view, proj);
bgfx::setViewFrameBuffer(RENDER_SHADOW_PASS_ID, s_shadowMapFB);
// Clear backbuffer and shadowmap framebuffer at beginning.
bgfx::setViewClearMask(0x3, BGFX_CLEAR_COLOR_BIT | BGFX_CLEAR_DEPTH_BIT, 0x303030ff, 1.0f, 0);
bgfx::submitMask(0x3);
// Render.
{ // Craft shadow map.
hplaneMesh.submit(RENDER_SHADOW_PASS_ID, mtxFloor, progPackDepth);
bunnyMesh.submit(RENDER_SHADOW_PASS_ID, mtxBunny, progPackDepth);
hollowcubeMesh.submit(RENDER_SHADOW_PASS_ID, mtxHollowcube, progPackDepth);
cubeMesh.submit(RENDER_SHADOW_PASS_ID, mtxCube, progPackDepth);
}
{ // Draw Scene.
float mtxShadow[16]; //lightviewProjCrop
float lightMtx[16]; //modelLightviewProjCrop
const float s = (s_flipV) ? 1.0f : -1.0f; //sign
const float mtxCrop[16] =
{
0.5f, 0.0f, 0.0f, 0.0f,
0.0f, s*0.5f, 0.0f, 0.0f,
0.0f, 0.0f, 0.5f, 0.0f,
0.5f, 0.5f, 0.5f, 1.0f,
};
float mtxTmp[16];
mtxMul(mtxTmp, lightProj, mtxCrop);
mtxMul(mtxShadow, lightView, mtxTmp);
// Floor.
mtxMul(lightMtx, mtxFloor, mtxShadow);
bgfx::setUniform(u_lightMtx, lightMtx);
hplaneMesh.submit(RENDER_SCENE_PASS_ID, mtxFloor, progDraw);
// Bunny.
mtxMul(lightMtx, mtxBunny, mtxShadow);
bgfx::setUniform(u_lightMtx, lightMtx);
bunnyMesh.submit(RENDER_SCENE_PASS_ID, mtxBunny, progDraw);
// Hollow cube.
mtxMul(lightMtx, mtxHollowcube, mtxShadow);
bgfx::setUniform(u_lightMtx, lightMtx);
hollowcubeMesh.submit(RENDER_SCENE_PASS_ID, mtxHollowcube, progDraw);
// Cube.
mtxMul(lightMtx, mtxCube, mtxShadow);
bgfx::setUniform(u_lightMtx, lightMtx);
cubeMesh.submit(RENDER_SCENE_PASS_ID, mtxCube, progDraw);
}
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
}
bunnyMesh.unload();
cubeMesh.unload();
hollowcubeMesh.unload();
hplaneMesh.unload();
bgfx::destroyProgram(progPackDepth);
bgfx::destroyProgram(progDraw);
bgfx::destroyFrameBuffer(s_shadowMapFB);
bgfx::destroyUniform(u_shadowMap);
bgfx::destroyUniform(u_lightPos);
bgfx::destroyUniform(u_lightMtx);
// Shutdown bgfx.
bgfx::shutdown();
return 0;
}
int _main_(int _argc, char** _argv)
{
uint32_t width = 1280;
uint32_t height = 720;
uint32_t debug = BGFX_DEBUG_TEXT;
uint32_t reset = 0;
bgfx::init();
bgfx::reset(width, height);
// Enable debug text.
bgfx::setDebug(debug);
// Set view 0 clear state.
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR_BIT|BGFX_CLEAR_DEPTH_BIT
//, 0x303030ff
//, 0xffffffff
, 0x000000FF
, 1.0f
, 0
);
// Setup root path for binary shaders. Shader binaries are different
// for each renderer.
switch (bgfx::getRendererType() )
{
default:
case bgfx::RendererType::Direct3D9:
s_shaderPath = "shaders/dx9/";
break;
case bgfx::RendererType::Direct3D11:
s_shaderPath = "shaders/dx11/";
break;
case bgfx::RendererType::OpenGL:
s_shaderPath = "shaders/glsl/";
break;
case bgfx::RendererType::OpenGLES2:
case bgfx::RendererType::OpenGLES3:
s_shaderPath = "shaders/gles/";
break;
}
//init the text rendering system
bgfx_font::FontManager* fontManager = new bgfx_font::FontManager(512);
bgfx_font::TextBufferManager* textBufferManager = new bgfx_font::TextBufferManager(fontManager);
textBufferManager->init(s_shaderPath);
//load a truetype files
bgfx_font::TrueTypeHandle times_tt = fontManager->loadTrueTypeFromFile("c:/windows/fonts/times.ttf");
bgfx_font::FontHandle distance_font = fontManager->createFontByPixelSize(times_tt, 0, 48, bgfx_font::FONT_TYPE_DISTANCE_SUBPIXEL);
//preload glyph and generate (generate bitmap's)
fontManager->preloadGlyph(distance_font, L"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ. \n");
uint32_t fontsCount = 0;
bgfx_font::FontHandle fonts[64];
fonts[fontsCount++] = distance_font;
//generate various sub distance field fonts at various size
int step=4;
for(int i = 64; i>1 ; i-=step)
{
if(i<32) step = 2;
//instantiate a usable font
bgfx_font::FontHandle font = fontManager->createScaledFontToPixelSize(distance_font, i);
fonts[fontsCount++] = font;
}
//You can unload the truetype files at this stage, but in that case, the set of glyph's will be limited to the set of preloaded glyph
fontManager->unloadTrueType(times_tt);
bgfx_font::TextBufferHandle staticText = textBufferManager->createTextBuffer(bgfx_font::FONT_TYPE_DISTANCE_SUBPIXEL, bgfx_font::STATIC);
textBufferManager->setPenPosition(staticText, 10.0f, 10.0f);
/*
for(size_t i = 0; i< fontsCount; ++i)
{
textBufferManager->appendText(staticText, fonts[i], L"aqkAQg");
//textBufferManager->appendText(staticText, fonts[i], L"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\n");
}
textBufferManager->appendText(staticText, fonts[0], "\n");
*/
textBufferManager->setTextColor(staticText, 0xFFFFFFFF);
//textBufferManager->setTextColor(staticText, 0x000000FF);
for(size_t i = 0; i< fontsCount; ++i)
{
//textBufferManager->setPenPosition(staticText, 3.0f+ (float)i*0.3f,0);
//textBufferManager->appendText(staticText, fonts[16], L"The quick brown fox jumps over the lazy dog\n");
textBufferManager->appendText(staticText, fonts[i], L"The quick brown fox jumps over the lazy dog\n");
//textBufferManager->appendText(staticText, fonts[i], L"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\n");
}
while (!processEvents(width, height, debug, reset) )
{
// Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, width, height);
// This dummy draw call is here to make sure that view 0 is cleared
// if no other draw calls are submitted to view 0.
bgfx::submit(0);
int64_t now = bx::getHPCounter();
static int64_t last = now;
const int64_t frameTime = now - last;
last = now;
const double freq = double(bx::getHPFrequency() );
const double toMs = 1000.0/freq;
float time = (float)(bx::getHPCounter()/double(bx::getHPFrequency() ) );
// Use debug font to print information about this example.
bgfx::dbgTextClear();
//bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/00-helloworld");
//bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Initialization and debug text.");
//bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
float at[3] = { 0, 0, 0.0f };
float eye[3] = {0, 0, -1.0f };
float view[16];
float proj[16];
mtxLookAt(view, eye, at);
float centering = 0.5f;
//setup a top-left ortho matrix for screen space drawing
mtxOrtho(proj, centering, width+centering,height+centering, centering,-1.0f, 1.0f);
// Set view and projection matrix for view 0.
bgfx::setViewTransform(0, view, proj);
//draw your text
textBufferManager->submitTextBuffer(staticText, 0);
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
//just to prevent my CG Fan to howl
Sleep(2);
}
//destroy the fonts
for(size_t i=0; i<fontsCount;++i)
{
fontManager->destroyFont(fonts[i]);
}
textBufferManager->destroyTextBuffer(staticText);
delete textBufferManager;
delete fontManager;
// Shutdown bgfx.
bgfx::shutdown();
return 0;
}
int _main_(int /*_argc*/, char** /*_argv*/)
{
PosColorTexCoord0Vertex::init();
uint32_t width = 1280;
uint32_t height = 720;
uint32_t debug = BGFX_DEBUG_TEXT;
uint32_t reset = BGFX_RESET_VSYNC;
bgfx::init();
bgfx::reset(width, height, reset);
// Enable debug text.
bgfx::setDebug(debug);
// Set view 0 clear state.
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR_BIT|BGFX_CLEAR_DEPTH_BIT
, 0x303030ff
, 1.0f
, 0
);
// Setup root path for binary shaders. Shader binaries are different
// for each renderer.
switch (bgfx::getRendererType() )
{
default:
case bgfx::RendererType::Direct3D9:
s_shaderPath = "shaders/dx9/";
s_texelHalf = 0.5f;
break;
case bgfx::RendererType::Direct3D11:
s_shaderPath = "shaders/dx11/";
break;
case bgfx::RendererType::OpenGL:
s_shaderPath = "shaders/glsl/";
s_flipV = true;
break;
case bgfx::RendererType::OpenGLES2:
case bgfx::RendererType::OpenGLES3:
s_shaderPath = "shaders/gles/";
s_flipV = true;
break;
}
const bgfx::Memory* mem;
mem = loadTexture("uffizi.dds");
bgfx::TextureHandle uffizi = bgfx::createTexture(mem, BGFX_TEXTURE_U_CLAMP|BGFX_TEXTURE_V_CLAMP|BGFX_TEXTURE_W_CLAMP);
bgfx::UniformHandle u_time = bgfx::createUniform("u_time", bgfx::UniformType::Uniform1f);
bgfx::UniformHandle u_texCube = bgfx::createUniform("u_texCube", bgfx::UniformType::Uniform1i);
bgfx::UniformHandle u_texColor = bgfx::createUniform("u_texColor", bgfx::UniformType::Uniform1i);
bgfx::UniformHandle u_texLum = bgfx::createUniform("u_texLum", bgfx::UniformType::Uniform1i);
bgfx::UniformHandle u_texBlur = bgfx::createUniform("u_texBlur", bgfx::UniformType::Uniform1i);
bgfx::UniformHandle u_mtx = bgfx::createUniform("u_mtx", bgfx::UniformType::Uniform4x4fv);
bgfx::UniformHandle u_tonemap = bgfx::createUniform("u_tonemap", bgfx::UniformType::Uniform4fv);
bgfx::UniformHandle u_offset = bgfx::createUniform("u_offset", bgfx::UniformType::Uniform4fv, 16);
bgfx::UniformHandle u_weight = bgfx::createUniform("u_weight", bgfx::UniformType::Uniform4fv, 16);
bgfx::ProgramHandle skyProgram = loadProgram("vs_hdr_skybox", "fs_hdr_skybox");
bgfx::ProgramHandle lumProgram = loadProgram("vs_hdr_lum", "fs_hdr_lum");
bgfx::ProgramHandle lumAvgProgram = loadProgram("vs_hdr_lumavg", "fs_hdr_lumavg");
bgfx::ProgramHandle blurProgram = loadProgram("vs_hdr_blur", "fs_hdr_blur");
bgfx::ProgramHandle brightProgram = loadProgram("vs_hdr_bright", "fs_hdr_bright");
bgfx::ProgramHandle meshProgram = loadProgram("vs_hdr_mesh", "fs_hdr_mesh");
bgfx::ProgramHandle tonemapProgram = loadProgram("vs_hdr_tonemap", "fs_hdr_tonemap");
Mesh mesh;
mesh.load("meshes/bunny.bin");
bgfx::RenderTargetHandle rt = bgfx::createRenderTarget(width, height, BGFX_RENDER_TARGET_COLOR_RGBA8|BGFX_RENDER_TARGET_DEPTH);
bgfx::RenderTargetHandle lum[5];
lum[0] = bgfx::createRenderTarget(128, 128, BGFX_RENDER_TARGET_COLOR_RGBA8);
lum[1] = bgfx::createRenderTarget( 64, 64, BGFX_RENDER_TARGET_COLOR_RGBA8);
lum[2] = bgfx::createRenderTarget( 16, 16, BGFX_RENDER_TARGET_COLOR_RGBA8);
lum[3] = bgfx::createRenderTarget( 4, 4, BGFX_RENDER_TARGET_COLOR_RGBA8);
lum[4] = bgfx::createRenderTarget( 1, 1, BGFX_RENDER_TARGET_COLOR_RGBA8);
bgfx::RenderTargetHandle bright;
bright = bgfx::createRenderTarget(width/2, height/2, BGFX_RENDER_TARGET_COLOR_RGBA8);
bgfx::RenderTargetHandle blur;
blur = bgfx::createRenderTarget(width/8, height/8, BGFX_RENDER_TARGET_COLOR_RGBA8);
FILE* file = fopen("font/droidsans.ttf", "rb");
uint32_t size = (uint32_t)fsize(file);
void* data = malloc(size);
size_t ignore = fread(data, 1, size, file);
BX_UNUSED(ignore);
fclose(file);
imguiCreate(data, size);
free(data);
float speed = 0.37f;
float middleGray = 0.18f;
float white = 1.1f;
float treshold = 1.5f;
int32_t scrollArea = 0;
uint32_t oldWidth = 0;
uint32_t oldHeight = 0;
entry::MouseState mouseState;
float time = 0.0f;
while (!entry::processEvents(width, height, debug, reset, &mouseState) )
{
if (oldWidth != width
|| oldHeight != height)
{
// Recreate variable size render targets when resolution changes.
oldWidth = width;
oldHeight = height;
bgfx::destroyRenderTarget(rt);
bgfx::destroyRenderTarget(bright);
bgfx::destroyRenderTarget(blur);
rt = bgfx::createRenderTarget(width, height, BGFX_RENDER_TARGET_COLOR_RGBA8|BGFX_RENDER_TARGET_DEPTH);
bright = bgfx::createRenderTarget(width/2, height/2, BGFX_RENDER_TARGET_COLOR_RGBA8);
blur = bgfx::createRenderTarget(width/8, height/8, BGFX_RENDER_TARGET_COLOR_RGBA8);
}
imguiBeginFrame(mouseState.m_mx
, mouseState.m_my
, (mouseState.m_buttons[entry::MouseButton::Left ] ? IMGUI_MBUT_LEFT : 0)
| (mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT : 0)
, 0
, width
, height
);
imguiBeginScrollArea("Settings", width - width / 5 - 10, 10, width / 5, height / 3, &scrollArea);
imguiSeparatorLine();
imguiSlider("Speed", &speed, 0.0f, 1.0f, 0.01f);
imguiSeparator();
imguiSlider("Middle gray", &middleGray, 0.1f, 1.0f, 0.01f);
imguiSlider("White point", &white, 0.1f, 2.0f, 0.01f);
imguiSlider("Treshold", &treshold, 0.1f, 2.0f, 0.01f);
imguiEndScrollArea();
imguiEndFrame();
// This dummy draw call is here to make sure that view 0 is cleared
// if no other draw calls are submitted to view 0.
bgfx::submit(0);
int64_t now = bx::getHPCounter();
static int64_t last = now;
const int64_t frameTime = now - last;
last = now;
const double freq = double(bx::getHPFrequency() );
const double toMs = 1000.0/freq;
time += (float)(frameTime*speed/freq);
bgfx::setUniform(u_time, &time);
// Use debug font to print information about this example.
bgfx::dbgTextClear();
bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/09-hdr");
bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Using multiple views and render targets.");
bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
// Set views.
bgfx::setViewRectMask(0x1f, 0, 0, width, height);
bgfx::setViewRenderTargetMask(0x3, rt);
bgfx::setViewRect(2, 0, 0, 128, 128);
bgfx::setViewRenderTarget(2, lum[0]);
bgfx::setViewRect(3, 0, 0, 64, 64);
bgfx::setViewRenderTarget(3, lum[1]);
bgfx::setViewRect(4, 0, 0, 16, 16);
bgfx::setViewRenderTarget(4, lum[2]);
bgfx::setViewRect(5, 0, 0, 4, 4);
bgfx::setViewRenderTarget(5, lum[3]);
bgfx::setViewRect(6, 0, 0, 1, 1);
bgfx::setViewRenderTarget(6, lum[4]);
bgfx::setViewRect(7, 0, 0, width/2, height/2);
bgfx::setViewRenderTarget(7, bright);
bgfx::setViewRect(8, 0, 0, width/8, height/8);
bgfx::setViewRenderTarget(8, blur);
bgfx::setViewRect(9, 0, 0, width, height);
float view[16];
float proj[16];
mtxIdentity(view);
mtxOrtho(proj, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 100.0f);
// Set view and projection matrix for view 0.
bgfx::setViewTransformMask(0
|(1<<0)
|(1<<2)
|(1<<3)
|(1<<4)
|(1<<5)
|(1<<6)
|(1<<7)
|(1<<8)
|(1<<9)
, view
, proj
);
float at[3] = { 0.0f, 1.0f, 0.0f };
float eye[3] = { 0.0f, 1.0f, -2.5f };
float mtx[16];
mtxRotateXY(mtx
, 0.0f
, time
);
float temp[4];
vec3MulMtx(temp, eye, mtx);
mtxLookAt(view, temp, at);
mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
// Set view and projection matrix for view 1.
bgfx::setViewTransformMask(1<<1, view, proj);
bgfx::setUniform(u_mtx, mtx);
// Render skybox into view 0.
bgfx::setTexture(0, u_texCube, uffizi);
bgfx::setProgram(skyProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad( (float)width, (float)height, true);
bgfx::submit(0);
// Render mesh into view 1
bgfx::setTexture(0, u_texCube, uffizi);
mesh.submit(1, meshProgram, NULL);
// Calculate luminance.
setOffsets2x2Lum(u_offset, 128, 128);
bgfx::setTexture(0, u_texColor, rt);
bgfx::setProgram(lumProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(128.0f, 128.0f, s_flipV);
bgfx::submit(2);
// Downscale luminance 0.
setOffsets4x4Lum(u_offset, 128, 128);
bgfx::setTexture(0, u_texColor, lum[0]);
bgfx::setProgram(lumAvgProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(64.0f, 64.0f, s_flipV);
bgfx::submit(3);
// Downscale luminance 1.
setOffsets4x4Lum(u_offset, 64, 64);
bgfx::setTexture(0, u_texColor, lum[1]);
bgfx::setProgram(lumAvgProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(16.0f, 16.0f, s_flipV);
bgfx::submit(4);
// Downscale luminance 2.
setOffsets4x4Lum(u_offset, 16, 16);
bgfx::setTexture(0, u_texColor, lum[2]);
bgfx::setProgram(lumAvgProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(4.0f, 4.0f, s_flipV);
bgfx::submit(5);
// Downscale luminance 3.
setOffsets4x4Lum(u_offset, 4, 4);
bgfx::setTexture(0, u_texColor, lum[3]);
bgfx::setProgram(lumAvgProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(1.0f, 1.0f, s_flipV);
bgfx::submit(6);
float tonemap[4] = { middleGray, square(white), treshold, 0.0f };
bgfx::setUniform(u_tonemap, tonemap);
// Bright pass treshold is tonemap[3].
setOffsets4x4Lum(u_offset, width/2, height/2);
bgfx::setTexture(0, u_texColor, rt);
bgfx::setTexture(1, u_texLum, lum[4]);
bgfx::setProgram(brightProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad( (float)width/2.0f, (float)height/2.0f, s_flipV);
bgfx::submit(7);
// Blur bright pass vertically.
bgfx::setTexture(0, u_texColor, bright);
bgfx::setProgram(blurProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad( (float)width/8.0f, (float)height/8.0f, s_flipV);
bgfx::submit(8);
// Blur bright pass horizontally, do tonemaping and combine.
bgfx::setTexture(0, u_texColor, rt);
bgfx::setTexture(1, u_texLum, lum[4]);
bgfx::setTexture(2, u_texBlur, blur);
bgfx::setProgram(tonemapProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad( (float)width, (float)height, s_flipV);
bgfx::submit(9);
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
}
imguiDestroy();
// Cleanup.
mesh.unload();
bgfx::destroyRenderTarget(lum[0]);
bgfx::destroyRenderTarget(lum[1]);
bgfx::destroyRenderTarget(lum[2]);
bgfx::destroyRenderTarget(lum[3]);
bgfx::destroyRenderTarget(lum[4]);
bgfx::destroyRenderTarget(bright);
bgfx::destroyRenderTarget(blur);
bgfx::destroyRenderTarget(rt);
bgfx::destroyProgram(meshProgram);
bgfx::destroyProgram(skyProgram);
bgfx::destroyProgram(tonemapProgram);
bgfx::destroyProgram(lumProgram);
bgfx::destroyProgram(lumAvgProgram);
bgfx::destroyProgram(blurProgram);
bgfx::destroyProgram(brightProgram);
bgfx::destroyTexture(uffizi);
bgfx::destroyUniform(u_time);
bgfx::destroyUniform(u_texCube);
bgfx::destroyUniform(u_texColor);
bgfx::destroyUniform(u_texLum);
bgfx::destroyUniform(u_texBlur);
bgfx::destroyUniform(u_mtx);
bgfx::destroyUniform(u_tonemap);
bgfx::destroyUniform(u_offset);
bgfx::destroyUniform(u_weight);
// Shutdown bgfx.
bgfx::shutdown();
return 0;
}
int _main_(int /*_argc*/, char** /*_argv*/)
{
uint32_t width = 1280;
uint32_t height = 720;
uint32_t debug = BGFX_DEBUG_TEXT;
uint32_t reset = BGFX_RESET_VSYNC;
bgfx::init();
bgfx::reset(width, height, reset);
// Enable debug text.
bgfx::setDebug(debug);
// Set view 0 clear state.
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR_BIT | BGFX_CLEAR_DEPTH_BIT
, 0x303030ff
, 1.0f
, 0
);
// Init the text rendering system.
FontManager* fontManager = new FontManager(512);
TextBufferManager* textBufferManager = new TextBufferManager(fontManager);
// Load some TTF files.
const char* fontNames[7] =
{
"font/droidsans.ttf",
"font/chp-fire.ttf",
"font/bleeding_cowboys.ttf",
"font/mias_scribblings.ttf",
"font/ruritania.ttf",
"font/signika-regular.ttf",
"font/five_minutes.otf"
};
const uint32_t fontCount = countof(fontNames);
TrueTypeHandle fontFiles[fontCount];
FontHandle fonts[fontCount];
for (uint32_t ii = 0; ii < fontCount; ++ii)
{
// Instantiate a usable font.
fontFiles[ii] = loadTtf(fontManager, fontNames[ii]);
fonts[ii] = fontManager->createFontByPixelSize(fontFiles[ii], 0, 32);
// Preload glyphs and blit them to atlas.
fontManager->preloadGlyph(fonts[ii], L"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ. \n");
// You can unload the truetype files at this stage, but in that
// case, the set of glyph's will be limited to the set of preloaded
// glyph.
fontManager->destroyTtf(fontFiles[ii]);
}
TrueTypeHandle console_tt = loadTtf(fontManager, "font/visitor1.ttf");
// This font doesn't have any preloaded glyph's but the truetype file
// is loaded so glyph will be generated as needed.
FontHandle consola_16 = fontManager->createFontByPixelSize(console_tt, 0, 10);
//create a static text buffer compatible with alpha font
//a static text buffer content cannot be modified after its first submit.
TextBufferHandle staticText = textBufferManager->createTextBuffer(FONT_TYPE_ALPHA, BufferType::Static);
// The pen position represent the top left of the box of the first line
// of text.
textBufferManager->setPenPosition(staticText, 24.0f, 100.0f);
for (uint32_t ii = 0; ii < fontCount; ++ii)
{
// Add some text to the buffer.
// The position of the pen is adjusted when there is an endline.
textBufferManager->appendText(staticText, fonts[ii], L"The quick brown fox jumps over the lazy dog\n");
}
// Now write some styled text.
// Setup style colors.
textBufferManager->setBackgroundColor(staticText, 0x551111FF);
textBufferManager->setUnderlineColor(staticText, 0xFF2222FF);
textBufferManager->setOverlineColor(staticText, 0x2222FFFF);
textBufferManager->setStrikeThroughColor(staticText, 0x22FF22FF);
// Background.
textBufferManager->setStyle(staticText, STYLE_BACKGROUND);
textBufferManager->appendText(staticText, fonts[0], L"The quick ");
// Strike-through.
textBufferManager->setStyle(staticText, STYLE_STRIKE_THROUGH);
textBufferManager->appendText(staticText, fonts[0], L"brown fox ");
// Overline.
textBufferManager->setStyle(staticText, STYLE_OVERLINE);
textBufferManager->appendText(staticText, fonts[0], L"jumps over ");
// Underline.
textBufferManager->setStyle(staticText, STYLE_UNDERLINE);
textBufferManager->appendText(staticText, fonts[0], L"the lazy ");
// Background + strike-through.
textBufferManager->setStyle(staticText, STYLE_BACKGROUND | STYLE_STRIKE_THROUGH);
textBufferManager->appendText(staticText, fonts[0], L"dog\n");
// Create a transient buffer for real-time data.
TextBufferHandle transientText = textBufferManager->createTextBuffer(FONT_TYPE_ALPHA, BufferType::Transient);
while (!processEvents(width, height, debug, reset) )
{
// Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, width, height);
// This dummy draw call is here to make sure that view 0 is cleared
// if no other draw calls are submitted to view 0.
bgfx::submit(0);
int64_t now = bx::getHPCounter();
static int64_t last = now;
const int64_t frameTime = now - last;
last = now;
const double freq = double(bx::getHPFrequency() );
const double toMs = 1000.0 / freq;
// Use transient text to display debug information.
wchar_t fpsText[64];
bx::swnprintf(fpsText, countof(fpsText), L"Frame: % 7.3f[ms]", double(frameTime) * toMs);
textBufferManager->clearTextBuffer(transientText);
textBufferManager->setPenPosition(transientText, 20.0, 4.0f);
textBufferManager->appendText(transientText, consola_16, L"bgfx/examples/10-font\n");
textBufferManager->appendText(transientText, consola_16, L"Description: Use the font system to display text and styled text.\n");
textBufferManager->appendText(transientText, consola_16, fpsText);
float at[3] = { 0, 0, 0.0f };
float eye[3] = {0, 0, -1.0f };
float view[16];
float proj[16];
mtxLookAt(view, eye, at);
// Setup a top-left ortho matrix for screen space drawing.
float centering = 0.5f;
mtxOrtho(proj, centering, width + centering, height + centering, centering, -1.0f, 1.0f);
// Set view and projection matrix for view 0.
bgfx::setViewTransform(0, view, proj);
// Submit the debug text.
textBufferManager->submitTextBuffer(transientText, 0);
// Submit the static text.
textBufferManager->submitTextBuffer(staticText, 0);
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
}
fontManager->destroyTtf(console_tt);
// Destroy the fonts.
fontManager->destroyFont(consola_16);
for (uint32_t ii = 0; ii < fontCount; ++ii)
{
fontManager->destroyFont(fonts[ii]);
}
textBufferManager->destroyTextBuffer(staticText);
textBufferManager->destroyTextBuffer(transientText);
delete textBufferManager;
delete fontManager;
// Shutdown bgfx.
bgfx::shutdown();
return 0;
}