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Cleanup.

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This commit is contained in:
Branimir Karadžić 2016-03-06 16:24:35 -08:00
parent 086285a3e2
commit 5c0874f82f
2 changed files with 426 additions and 353 deletions
examples
19-oit
oit.cpp
20-nanovg
nanovg.cpp

630
examples/19-oit/oit.cpp
View file

@ -146,322 +146,370 @@ void screenSpaceQuad(float _textureWidth, float _textureHeight, bool _originBott
}
}
int _main_(int _argc, char** _argv)
class ExampleOIT : public entry::AppI
{
Args args(_argc, _argv);
uint32_t width = 1280;
uint32_t height = 720;
uint32_t debug = BGFX_DEBUG_TEXT;
uint32_t reset = BGFX_RESET_VSYNC;
bgfx::init(args.m_type, args.m_pciId);
bgfx::reset(width, height, reset);
// Create vertex stream declaration.
PosColorVertex::init();
PosColorTexCoord0Vertex::init();
// 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)
void init(int _argc, char** _argv) BX_OVERRIDE
{
default:
break;
Args args(_argc, _argv);
case bgfx::RendererType::OpenGL:
case bgfx::RendererType::OpenGLES:
s_flipV = true;
break;
m_width = 1280;
m_height = 720;
m_debug = BGFX_DEBUG_TEXT;
m_reset = BGFX_RESET_VSYNC;
bgfx::init(args.m_type, args.m_pciId);
bgfx::reset(m_width, m_height, m_reset);
// Enable debug text.
bgfx::setDebug(m_debug);
// Create vertex stream declaration.
PosColorVertex::init();
PosColorTexCoord0Vertex::init();
// 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:
break;
case bgfx::RendererType::OpenGL:
case bgfx::RendererType::OpenGLES:
s_flipV = true;
break;
}
// Imgui.
imguiCreate();
// Create static vertex buffer.
m_vbh = bgfx::createVertexBuffer(
bgfx::makeRef(s_cubeVertices, sizeof(s_cubeVertices) )
, PosColorVertex::ms_decl
);
// Create static index buffer.
m_ibh = bgfx::createIndexBuffer(bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) ) );
// Create texture sampler uniforms.
s_texColor0 = bgfx::createUniform("s_texColor0", bgfx::UniformType::Int1);
s_texColor1 = bgfx::createUniform("s_texColor1", bgfx::UniformType::Int1);
u_color = bgfx::createUniform("u_color", bgfx::UniformType::Vec4);
m_blend = loadProgram("vs_oit", "fs_oit" );
m_wbSeparatePass = loadProgram("vs_oit", "fs_oit_wb_separate" );
m_wbSeparateBlit = loadProgram("vs_oit_blit", "fs_oit_wb_separate_blit" );
m_wbPass = loadProgram("vs_oit", "fs_oit_wb" );
m_wbBlit = loadProgram("vs_oit_blit", "fs_oit_wb_blit" );
m_fbtextures[0].idx = bgfx::invalidHandle;
m_fbtextures[1].idx = bgfx::invalidHandle;
m_fbh.idx = bgfx::invalidHandle;
m_mode = 1;
m_scrollArea = 0;
m_frontToBack = true;
m_fadeInOut = false;
m_oldWidth = 0;
m_oldHeight = 0;
m_oldReset = m_reset;
m_timeOffset = bx::getHPCounter();
}
// Imgui.
imguiCreate();
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 s_texColor0 = bgfx::createUniform("s_texColor0", bgfx::UniformType::Int1);
bgfx::UniformHandle s_texColor1 = bgfx::createUniform("s_texColor1", bgfx::UniformType::Int1);
bgfx::UniformHandle u_color = bgfx::createUniform("u_color", bgfx::UniformType::Vec4);
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) )
int shutdown() BX_OVERRIDE
{
if (oldWidth != width
|| oldHeight != height
|| oldReset != reset
|| !bgfx::isValid(fbh) )
{
// Recreate variable size render targets when resolution changes.
oldWidth = width;
oldHeight = height;
oldReset = reset;
// Cleanup.
imguiDestroy();
if (bgfx::isValid(fbh) )
bgfx::destroyFrameBuffer(m_fbh);
bgfx::destroyIndexBuffer(m_ibh);
bgfx::destroyVertexBuffer(m_vbh);
bgfx::destroyProgram(m_blend);
bgfx::destroyProgram(m_wbSeparatePass);
bgfx::destroyProgram(m_wbSeparateBlit);
bgfx::destroyProgram(m_wbPass);
bgfx::destroyProgram(m_wbBlit);
bgfx::destroyUniform(s_texColor0);
bgfx::destroyUniform(s_texColor1);
bgfx::destroyUniform(u_color);
// Shutdown bgfx.
bgfx::shutdown();
return 0;
}
bool update() BX_OVERRIDE
{
if (!entry::processEvents(m_width, m_height, m_debug, m_reset, &m_mouseState) )
{
if (m_oldWidth != m_width
|| m_oldHeight != m_height
|| m_oldReset != m_reset
|| !bgfx::isValid(m_fbh) )
{
bgfx::destroyFrameBuffer(fbh);
// Recreate variable size render targets when resolution changes.
m_oldWidth = m_width;
m_oldHeight = m_height;
m_oldReset = m_reset;
if (bgfx::isValid(m_fbh) )
{
bgfx::destroyFrameBuffer(m_fbh);
}
m_fbtextures[0] = bgfx::createTexture2D(m_width, m_height, 1, bgfx::TextureFormat::RGBA16F, BGFX_TEXTURE_RT);
m_fbtextures[1] = bgfx::createTexture2D(m_width, m_height, 1, bgfx::TextureFormat::R16F, BGFX_TEXTURE_RT);
m_fbh = bgfx::createFrameBuffer(BX_COUNTOF(m_fbtextures), m_fbtextures, true);
}
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(m_mouseState.m_mx
, m_mouseState.m_my
, (m_mouseState.m_buttons[entry::MouseButton::Left ] ? IMGUI_MBUT_LEFT : 0)
| (m_mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT : 0)
| (m_mouseState.m_buttons[entry::MouseButton::Middle] ? IMGUI_MBUT_MIDDLE : 0)
, m_mouseState.m_mz
, m_width
, m_height
);
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)
| (mouseState.m_buttons[entry::MouseButton::Middle] ? IMGUI_MBUT_MIDDLE : 0)
, mouseState.m_mz
, width
, height
);
imguiBeginScrollArea("Settings", m_width - m_width / 4 - 10, 10, m_width / 4, m_height / 3, &m_scrollArea);
imguiSeparatorLine();
imguiBeginScrollArea("Settings", width - width / 4 - 10, 10, width / 4, height / 3, &scrollArea);
imguiSeparatorLine();
imguiLabel("Blend mode:");
imguiLabel("Blend mode:");
m_mode = imguiChoose(m_mode
, "None"
, "Separate"
, "MRT Independent"
);
mode = imguiChoose(mode
, "None"
, "Separate"
, "MRT Independent"
);
imguiSeparatorLine();
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::setViewRect(0, 0, 0, width, height);
bgfx::setViewRect(1, 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.
bx::mtxLookAt(view, eye, at);
mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
bgfx::setViewTransform(0, view, proj);
// Set palette color for index 0
bgfx::setPaletteColor(0, 0.0f, 0.0f, 0.0f, 0.0f);
// Set palette color for index 1
bgfx::setPaletteColor(1, 1.0f, 1.0f, 1.0f, 1.0f);
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 1.0f // Depth
, 0 // Stencil
, 0 // FB texture 0, color palette 0
, 1 == mode ? 1 : 0 // FB texture 1, color palette 1
);
bgfx::setViewClear(1
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 1.0f // Depth
, 0 // Stencil
, 0 // Color palette 0
);
bgfx::FrameBufferHandle invalid = BGFX_INVALID_HANDLE;
bgfx::setViewFrameBuffer(0, 0 == mode ? invalid : fbh);
// Set view and projection matrix for view 1.
bx::mtxIdentity(view);
bx::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)
if (imguiCheck("Front to back", m_frontToBack) )
{
for (uint32_t xx = 0; xx < 3; ++xx)
m_frontToBack ^= true;
}
if (imguiCheck("Fade in/out", m_fadeInOut) )
{
m_fadeInOut ^= true;
}
imguiEndScrollArea();
imguiEndFrame();
// Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, m_width, m_height);
bgfx::setViewRect(1, 0, 0, m_width, m_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-m_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.
bx::mtxLookAt(view, eye, at);
mtxProj(proj, 60.0f, float(m_width)/float(m_height), 0.1f, 100.0f);
bgfx::setViewTransform(0, view, proj);
// Set palette color for index 0
bgfx::setPaletteColor(0, 0.0f, 0.0f, 0.0f, 0.0f);
// Set palette color for index 1
bgfx::setPaletteColor(1, 1.0f, 1.0f, 1.0f, 1.0f);
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 1.0f // Depth
, 0 // Stencil
, 0 // FB texture 0, color palette 0
, 1 == m_mode ? 1 : 0 // FB texture 1, color palette 1
);
bgfx::setViewClear(1
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 1.0f // Depth
, 0 // Stencil
, 0 // Color palette 0
);
bgfx::FrameBufferHandle invalid = BGFX_INVALID_HANDLE;
bgfx::setViewFrameBuffer(0, 0 == m_mode ? invalid : m_fbh);
// Set view and projection matrix for view 1.
bx::mtxIdentity(view);
bx::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 = m_frontToBack ? 2-depth : depth;
for (uint32_t yy = 0; yy < 3; ++yy)
{
float color[4] = { xx*1.0f/3.0f, zz*1.0f/3.0f, yy*1.0f/3.0f, 0.5f };
if (fadeInOut
&& zz == 1)
for (uint32_t xx = 0; xx < 3; ++xx)
{
color[3] = sinf(time*3.0f)*0.49f+0.5f;
float color[4] = { xx*1.0f/3.0f, zz*1.0f/3.0f, yy*1.0f/3.0f, 0.5f };
if (m_fadeInOut
&& zz == 1)
{
color[3] = sinf(time*3.0f)*0.49f+0.5f;
}
bgfx::setUniform(u_color, color);
BX_UNUSED(time);
float mtx[16];
bx::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;
// Set transform for draw call.
bgfx::setTransform(mtx);
// Set vertex and index buffer.
bgfx::setVertexBuffer(m_vbh);
bgfx::setIndexBuffer(m_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
;
bgfx::ProgramHandle program = BGFX_INVALID_HANDLE;
switch (m_mode)
{
case 0:
// Set vertex and fragment shaders.
program = m_blend;
// Set render states.
bgfx::setState(state
| BGFX_STATE_BLEND_ALPHA
);
break;
case 1:
// Set vertex and fragment shaders.
program = m_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.
program = m_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, program);
}
bgfx::setUniform(u_color, color);
BX_UNUSED(time);
float mtx[16];
bx::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;
// 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
;
bgfx::ProgramHandle program = BGFX_INVALID_HANDLE;
switch (mode)
{
case 0:
// Set vertex and fragment shaders.
program = blend;
// Set render states.
bgfx::setState(state
| BGFX_STATE_BLEND_ALPHA
);
break;
case 1:
// Set vertex and fragment shaders.
program = 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.
program = 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, program);
}
}
if (0 != m_mode)
{
bgfx::setTexture(0, s_texColor0, m_fbtextures[0]);
bgfx::setTexture(1, s_texColor1, m_fbtextures[1]);
bgfx::setState(0
| BGFX_STATE_RGB_WRITE
| BGFX_STATE_BLEND_FUNC(BGFX_STATE_BLEND_INV_SRC_ALPHA, BGFX_STATE_BLEND_SRC_ALPHA)
);
screenSpaceQuad( (float)m_width, (float)m_height, s_flipV);
bgfx::submit(1
, 1 == m_mode ? m_wbSeparateBlit : m_wbBlit
);
}
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
return true;
}
if (0 != mode)
{
bgfx::setTexture(0, s_texColor0, fbtextures[0]);
bgfx::setTexture(1, s_texColor1, fbtextures[1]);
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
, 1 == mode ? wbSeparateBlit : wbBlit
);
}
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
return false;
}
// Cleanup.
imguiDestroy();
uint32_t m_width;
uint32_t m_height;
uint32_t m_debug;
uint32_t m_reset;
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(s_texColor0);
bgfx::destroyUniform(s_texColor1);
bgfx::destroyUniform(u_color);
uint32_t m_mode;
int32_t m_scrollArea;
bool m_frontToBack;
bool m_fadeInOut;
// Shutdown bgfx.
bgfx::shutdown();
uint32_t m_oldWidth;
uint32_t m_oldHeight;
uint32_t m_oldReset;
return 0;
}
entry::MouseState m_mouseState;
int64_t m_timeOffset;
bgfx::VertexBufferHandle m_vbh;
bgfx::IndexBufferHandle m_ibh;
bgfx::UniformHandle s_texColor0;
bgfx::UniformHandle s_texColor1;
bgfx::UniformHandle u_color;
bgfx::ProgramHandle m_blend;
bgfx::ProgramHandle m_wbSeparatePass;
bgfx::ProgramHandle m_wbSeparateBlit;
bgfx::ProgramHandle m_wbPass;
bgfx::ProgramHandle m_wbBlit;
bgfx::TextureHandle m_fbtextures[2];
bgfx::FrameBufferHandle m_fbh;
};
ENTRY_IMPLEMENT_MAIN(ExampleOIT);

149
examples/20-nanovg/nanovg.cpp
View file

@ -1201,80 +1201,105 @@ void renderDemo(struct NVGcontext* vg, float mx, float my, float width, float he
nvgRestore(vg);
}
int _main_(int _argc, char** _argv)
class ExampleNanoVG : public entry::AppI
{
Args args(_argc, _argv);
uint32_t width = 1280;
uint32_t height = 720;
uint32_t debug = BGFX_DEBUG_TEXT;
uint32_t reset = BGFX_RESET_VSYNC;
bgfx::init(args.m_type, args.m_pciId);
bgfx::reset(width, height, reset);
// Enable debug text.
bgfx::setDebug(debug);
// Set view 0 clear state.
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 0x303030ff
, 1.0f
, 0
);
imguiCreate();
NVGcontext* nvg = nvgCreate(1, 0);
bgfx::setViewSeq(0, true);
DemoData data;
loadDemoData(nvg, &data);
bndSetFont(nvgCreateFont(nvg, "droidsans", "font/droidsans.ttf") );
bndSetIconImage(nvgCreateImage(nvg, "images/blender_icons16.png", 0) );
int64_t timeOffset = bx::getHPCounter();
entry::MouseState mouseState;
while (!entry::processEvents(width, height, debug, reset, &mouseState) )
void init(int _argc, char** _argv) BX_OVERRIDE
{
int64_t now = bx::getHPCounter();
const double freq = double(bx::getHPFrequency() );
float time = (float)( (now-timeOffset)/freq);
Args args(_argc, _argv);
// Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, width, height);
m_width = 1280;
m_height = 720;
m_debug = BGFX_DEBUG_TEXT;
m_reset = BGFX_RESET_VSYNC;
// 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::touch(0);
bgfx::init(args.m_type, args.m_pciId);
bgfx::reset(m_width, m_height, m_reset);
// Use debug font to print information about this example.
bgfx::dbgTextClear();
bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/20-nanovg");
bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: NanoVG is small antialiased vector graphics rendering library.");
// Enable debug text.
bgfx::setDebug(m_debug);
nvgBeginFrame(nvg, width, height, 1.0f);
// Set view 0 clear state.
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 0x303030ff
, 1.0f
, 0
);
renderDemo(nvg, float(mouseState.m_mx), float(mouseState.m_my), float(width), float(height), time, 0, &data);
imguiCreate();
nvgEndFrame(nvg);
m_nvg = nvgCreate(1, 0);
bgfx::setViewSeq(0, true);
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
loadDemoData(m_nvg, &m_data);
bndSetFont(nvgCreateFont(m_nvg, "droidsans", "font/droidsans.ttf") );
bndSetIconImage(nvgCreateImage(m_nvg, "images/blender_icons16.png", 0) );
m_timeOffset = bx::getHPCounter();
}
freeDemoData(nvg, &data);
int shutdown() BX_OVERRIDE
{
freeDemoData(m_nvg, &m_data);
nvgDelete(nvg);
nvgDelete(m_nvg);
imguiDestroy();
imguiDestroy();
// Shutdown bgfx.
bgfx::shutdown();
// Shutdown bgfx.
bgfx::shutdown();
return 0;
}
return 0;
}
bool update() BX_OVERRIDE
{
if (!entry::processEvents(m_width, m_height, m_debug, m_reset, &m_mouseState) )
{
int64_t now = bx::getHPCounter();
const double freq = double(bx::getHPFrequency() );
float time = (float)( (now-m_timeOffset)/freq);
// Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, m_width, m_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::touch(0);
// Use debug font to print information about this example.
bgfx::dbgTextClear();
bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/20-nanovg");
bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: NanoVG is small antialiased vector graphics rendering library.");
nvgBeginFrame(m_nvg, m_width, m_height, 1.0f);
renderDemo(m_nvg, float(m_mouseState.m_mx), float(m_mouseState.m_my), float(m_width), float(m_height), time, 0, &m_data);
nvgEndFrame(m_nvg);
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
return true;
}
return false;
}
uint32_t m_width;
uint32_t m_height;
uint32_t m_debug;
uint32_t m_reset;
entry::MouseState m_mouseState;
int64_t m_timeOffset;
NVGcontext* m_nvg;
DemoData m_data;
};
ENTRY_IMPLEMENT_MAIN(ExampleNanoVG);