mirrors/bgfx
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added capabilties check to examples.

Browse Source
This commit is contained in:
Branimir Karadžić 2017-07-22 21:19:14 -07:00
parent 1a9a42bcda
commit e4147a49be
3 changed files with 364 additions and 333 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
examples/19-oit/oit.cpp
View File

@ -227,6 +227,12 @@ public:
m_oldHeight = 0;
m_oldReset = m_reset;
m_mrtSupported = true
&& 2 <= caps->limits.maxFBAttachments
&& bgfx::isTextureValid(0, false, 1, bgfx::TextureFormat::RGBA16F, BGFX_TEXTURE_RT)
&& bgfx::isTextureValid(0, false, 1, bgfx::TextureFormat::R16F, BGFX_TEXTURE_RT)
;
m_timeOffset = bx::getHPCounter();
}
@ -235,7 +241,11 @@ public:
// Cleanup.
imguiDestroy();
if (bgfx::isValid(m_fbh) )
{
bgfx::destroy(m_fbh);
}
bgfx::destroy(m_ibh);
bgfx::destroy(m_vbh);
bgfx::destroy(m_blend);
@ -256,6 +266,24 @@ public:
bool update() override
{
if (!entry::processEvents(m_width, m_height, m_debug, m_reset, &m_mouseState) )
{
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
, uint16_t(m_width)
, uint16_t(m_height)
);
showExampleDialog(this
, !m_mrtSupported
? "MRT or frame buffer texture format are not supported."
: NULL
);
if (m_mrtSupported)
{
if (m_oldWidth != m_width
|| m_oldHeight != m_height
@ -277,18 +305,6 @@ public:
m_fbh = bgfx::createFrameBuffer(BX_COUNTOF(m_fbtextures), m_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
, uint16_t(m_width)
, uint16_t(m_height)
);
showExampleDialog(this);
ImGui::SetNextWindowPos(
ImVec2(m_width - m_width / 5.0f - 10.0f, 10.0f)
, ImGuiSetCond_FirstUseEver
@ -313,7 +329,6 @@ public:
ImGui::Checkbox("Fade in/out", &m_fadeInOut);
ImGui::End();
imguiEndFrame();
// Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, uint16_t(m_width), uint16_t(m_height) );
@ -476,6 +491,9 @@ public:
, 1 == m_mode ? m_wbSeparateBlit : m_wbBlit
);
}
}
imguiEndFrame();
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
@ -495,6 +513,7 @@ public:
int32_t m_mode;
bool m_frontToBack;
bool m_fadeInOut;
bool m_mrtSupported;
uint32_t m_oldWidth;
uint32_t m_oldHeight;

39
examples/24-nbody/nbody.cpp
View File

@ -142,12 +142,12 @@ public:
);
const bgfx::Caps* caps = bgfx::getCaps();
const bool computeSupported = !!(caps->supported & BGFX_CAPS_COMPUTE);
const bool indirectSupported = !!(caps->supported & BGFX_CAPS_DRAW_INDIRECT);
m_computeSupported = !!(caps->supported & BGFX_CAPS_COMPUTE);
m_indirectSupported = !!(caps->supported & BGFX_CAPS_DRAW_INDIRECT);
imguiCreate();
if (computeSupported)
if (m_computeSupported)
{
bgfx::VertexDecl quadVertexDecl;
quadVertexDecl.begin()
@ -189,7 +189,7 @@ public:
m_indirectProgram = BGFX_INVALID_HANDLE;
m_indirectBuffer = BGFX_INVALID_HANDLE;
if (indirectSupported)
if (m_indirectSupported)
{
m_indirectProgram = bgfx::createProgram(loadShader("cs_indirect"), true);
m_indirectBuffer = bgfx::createIndirectBuffer(2);
@ -219,7 +219,9 @@ public:
cameraDestroy();
imguiDestroy();
if (bgfx::isValid(m_indirectProgram) )
if (m_computeSupported)
{
if (m_indirectSupported)
{
bgfx::destroy(m_indirectProgram);
bgfx::destroy(m_indirectBuffer);
@ -235,6 +237,7 @@ public:
bgfx::destroy(m_ibh);
bgfx::destroy(m_vbh);
bgfx::destroy(m_particleProgram);
}
// Shutdown bgfx.
bgfx::shutdown();
@ -257,14 +260,13 @@ public:
, uint16_t(m_height)
);
showExampleDialog(this);
const bgfx::Caps* caps = bgfx::getCaps();
const bool computeSupported = !!(caps->supported & BGFX_CAPS_COMPUTE);
const bool indirectSupported = !!(caps->supported & BGFX_CAPS_DRAW_INDIRECT);
showExampleDialog(this
, !m_computeSupported
? "Compute is not supported."
: NULL
);
int64_t now = bx::getHPCounter();
float time = (float)( (now - m_timeOffset)/double(bx::getHPFrequency() ) );
static int64_t last = now;
const int64_t frameTime = now - last;
last = now;
@ -274,7 +276,7 @@ public:
// Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, uint16_t(m_width), uint16_t(m_height) );
if (computeSupported)
if (m_computeSupported)
{
ImGui::SetNextWindowPos(
ImVec2(m_width - m_width / 5.0f - 10.0f, 10.0f)
@ -318,7 +320,7 @@ public:
ImGui::Separator();
if (indirectSupported)
if (m_indirectSupported)
{
ImGui::Checkbox("Use draw/dispatch indirect", &m_useIndirect);
}
@ -430,15 +432,6 @@ public:
bgfx::submit(0, m_particleProgram);
}
}
else
{
bgfx::setViewRect(0, 0, 0, uint16_t(m_width), uint16_t(m_height) );
bool blink = uint32_t(time*3.0f)&1;
bgfx::dbgTextPrintf(0, 0, blink ? 0x1f : 0x01, " Compute is not supported by GPU. ");
bgfx::touch(0);
}
imguiEndFrame();
@ -459,6 +452,8 @@ public:
uint32_t m_debug;
uint32_t m_reset;
bool m_useIndirect;
bool m_computeSupported;
bool m_indirectSupported;
ParamsData m_paramsData;

19
examples/26-occlusion/occlusion.cpp
View File

@ -119,10 +119,16 @@ public:
// Create program from shaders.
m_program = loadProgram("vs_cubes", "fs_cubes");
const bgfx::Caps* caps = bgfx::getCaps();
m_occlusionQuerySupported = !!(caps->supported & BGFX_CAPS_OCCLUSION_QUERY);
if (m_occlusionQuerySupported)
{
for (uint32_t ii = 0; ii < BX_COUNTOF(m_occlusionQueries); ++ii)
{
m_occlusionQueries[ii] = bgfx::createOcclusionQuery();
}
}
cameraCreate();
@ -142,10 +148,13 @@ public:
// Cleanup.
cameraDestroy();
if (m_occlusionQuerySupported)
{
for (uint32_t ii = 0; ii < BX_COUNTOF(m_occlusionQueries); ++ii)
{
bgfx::destroy(m_occlusionQueries[ii]);
}
}
bgfx::destroy(m_ibh);
bgfx::destroy(m_vbh);
@ -171,10 +180,16 @@ public:
, uint16_t(m_height)
);
showExampleDialog(this);
showExampleDialog(this
, !m_occlusionQuerySupported
? "Occlusion query is not supported."
: NULL
);
imguiEndFrame();
if (m_occlusionQuerySupported)
{
int64_t now = bx::getHPCounter();
static int64_t last = now;
const int64_t frameTime = now - last;
@ -277,6 +292,7 @@ public:
int32_t numPixels = 0;
bgfx::getResult(m_occlusionQueries[0], &numPixels);
bgfx::dbgTextPrintf(5, 5 + CUBES_DIM + 1, 0xf, "%d", numPixels);
}
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
@ -299,6 +315,7 @@ public:
bgfx::IndexBufferHandle m_ibh;
bgfx::ProgramHandle m_program;
int64_t m_timeOffset;
bool m_occlusionQuerySupported;
bgfx::OcclusionQueryHandle m_occlusionQueries[CUBES_DIM*CUBES_DIM];