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-rw-r--r--3rdparty/bgfx/examples/02-metaballs/metaballs.cpp63
1 files changed, 45 insertions, 18 deletions
diff --git a/3rdparty/bgfx/examples/02-metaballs/metaballs.cpp b/3rdparty/bgfx/examples/02-metaballs/metaballs.cpp
index 60728cc672a..c14c3df0fda 100644
--- a/3rdparty/bgfx/examples/02-metaballs/metaballs.cpp
+++ b/3rdparty/bgfx/examples/02-metaballs/metaballs.cpp
@@ -5,6 +5,7 @@
#include "common.h"
#include "bgfx_utils.h"
+#include "imgui/imgui.h"
#include <bgfx/embedded_shader.h>
@@ -12,6 +13,9 @@
#include "vs_metaballs.bin.h"
#include "fs_metaballs.bin.h"
+namespace
+{
+
static const bgfx::EmbeddedShader s_embeddedShaders[] =
{
BGFX_EMBEDDED_SHADER(vs_metaballs),
@@ -371,7 +375,7 @@ float vertLerp(float* __restrict _result, float _iso, uint32_t _idx0, float _v0,
const float* __restrict edge0 = s_cube[_idx0];
const float* __restrict edge1 = s_cube[_idx1];
- if (bx::fabsolute(_iso-_v1) < 0.00001f)
+ if (bx::fabs(_iso-_v1) < 0.00001f)
{
_result[0] = edge1[0];
_result[1] = edge1[1];
@@ -379,8 +383,8 @@ float vertLerp(float* __restrict _result, float _iso, uint32_t _idx0, float _v0,
return 1.0f;
}
- if (bx::fabsolute(_iso-_v0) < 0.00001f
- || bx::fabsolute(_v0-_v1) < 0.00001f)
+ if (bx::fabs(_iso-_v0) < 0.00001f
+ || bx::fabs(_v0-_v1) < 0.00001f)
{
_result[0] = edge0[0];
_result[1] = edge0[1];
@@ -474,13 +478,19 @@ uint32_t triangulate(uint8_t* _result, uint32_t _stride, const float* __restrict
class ExampleMetaballs : public entry::AppI
{
- void init(int _argc, char** _argv) BX_OVERRIDE
+public:
+ ExampleMetaballs(const char* _name, const char* _description)
+ : entry::AppI(_name, _description)
+ {
+ }
+
+ void init(int32_t _argc, const char* const* _argv, uint32_t _width, uint32_t _height) override
{
Args args(_argc, _argv);
- m_width = 1280;
- m_height = 720;
- m_debug = BGFX_DEBUG_TEXT;
+ m_width = _width;
+ m_height = _height;
+ m_debug = BGFX_DEBUG_NONE;
m_reset = BGFX_RESET_VSYNC;
bgfx::init(args.m_type, args.m_pciId);
@@ -510,14 +520,18 @@ class ExampleMetaballs : public entry::AppI
m_grid = new Grid[DIMS*DIMS*DIMS];
m_timeOffset = bx::getHPCounter();
+
+ imguiCreate();
}
- int shutdown() BX_OVERRIDE
+ int shutdown() override
{
+ imguiDestroy();
+
delete [] m_grid;
// Cleanup.
- bgfx::destroyProgram(m_program);
+ bgfx::destroy(m_program);
// Shutdown bgfx.
bgfx::shutdown();
@@ -525,14 +539,28 @@ class ExampleMetaballs : public entry::AppI
return 0;
}
- bool update() BX_OVERRIDE
+ bool update() override
{
const uint32_t ypitch = DIMS;
const uint32_t zpitch = DIMS*DIMS;
const float invdim = 1.0f/float(DIMS-1);
- if (!entry::processEvents(m_width, m_height, m_debug, m_reset) )
+ 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);
+
+ imguiEndFrame();
+
// Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, uint16_t(m_width), uint16_t(m_height) );
@@ -548,11 +576,6 @@ class ExampleMetaballs : public entry::AppI
const double toMs = 1000.0/freq;
float time = (float)( (now - m_timeOffset)/double(bx::getHPFrequency() ) );
- // Use debug font to print information about this example.
- bgfx::dbgTextClear();
- bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/02-metaball");
- bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Rendering with transient buffers and embedding shaders.");
-
float at[3] = { 0.0f, 0.0f, 0.0f };
float eye[3] = { 0.0f, 0.0f, -50.0f };
@@ -726,7 +749,7 @@ class ExampleMetaballs : public entry::AppI
bgfx::setTransform(mtx);
// Set vertex and index buffer.
- bgfx::setVertexBuffer(&tvb, 0, numVertices);
+ bgfx::setVertexBuffer(0, &tvb, 0, numVertices);
// Set render states.
bgfx::setState(BGFX_STATE_DEFAULT);
@@ -751,6 +774,8 @@ class ExampleMetaballs : public entry::AppI
return false;
}
+ entry::MouseState m_mouseState;
+
uint32_t m_width;
uint32_t m_height;
uint32_t m_debug;
@@ -761,4 +786,6 @@ class ExampleMetaballs : public entry::AppI
int64_t m_timeOffset;
};
-ENTRY_IMPLEMENT_MAIN(ExampleMetaballs);
+} // namespace
+
+ENTRY_IMPLEMENT_MAIN(ExampleMetaballs, "02-metaball", "Rendering with transient buffers and embedding shaders.");