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-rw-r--r--3rdparty/bgfx/examples/06-bump/bump.cpp461
1 files changed, 244 insertions, 217 deletions
diff --git a/3rdparty/bgfx/examples/06-bump/bump.cpp b/3rdparty/bgfx/examples/06-bump/bump.cpp
index e5c4a521876..1cbf74592de 100644
--- a/3rdparty/bgfx/examples/06-bump/bump.cpp
+++ b/3rdparty/bgfx/examples/06-bump/bump.cpp
@@ -103,259 +103,286 @@ static const uint16_t s_cubeIndices[36] =
21, 23, 22,
};
-int _main_(int /*_argc*/, char** /*_argv*/)
+class Bump : public entry::AppI
{
- 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|BGFX_CLEAR_DEPTH
- , 0x303030ff
- , 1.0f
- , 0
- );
-
- // Get renderer capabilities info.
- const bgfx::Caps* caps = bgfx::getCaps();
- bool instancingSupported = 0 != (caps->supported & BGFX_CAPS_INSTANCING);
-
- // Create vertex stream declaration.
- PosNormalTangentTexcoordVertex::init();
-
- calcTangents(s_cubeVertices
- , BX_COUNTOF(s_cubeVertices)
- , PosNormalTangentTexcoordVertex::ms_decl
- , s_cubeIndices
- , BX_COUNTOF(s_cubeIndices)
- );
-
- // Create static vertex buffer.
- bgfx::VertexBufferHandle vbh = bgfx::createVertexBuffer(
- bgfx::makeRef(s_cubeVertices, sizeof(s_cubeVertices) )
- , PosNormalTangentTexcoordVertex::ms_decl
- );
+ void init(int /*_argc*/, char** /*_argv*/) BX_OVERRIDE
+ {
+ m_width = 1280;
+ m_height = 720;
+ m_debug = BGFX_DEBUG_TEXT;
+ m_reset = BGFX_RESET_VSYNC;
+
+ bgfx::init();
+ bgfx::reset(m_width, m_height, m_reset);
+
+ // Enable debug text.
+ bgfx::setDebug(m_debug);
+
+ // Set view 0 clear state.
+ bgfx::setViewClear(0
+ , BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
+ , 0x303030ff
+ , 1.0f
+ , 0
+ );
+
+ // Get renderer capabilities info.
+ const bgfx::Caps* caps = bgfx::getCaps();
+ m_instancingSupported = 0 != (caps->supported & BGFX_CAPS_INSTANCING);
+
+ // Create vertex stream declaration.
+ PosNormalTangentTexcoordVertex::init();
+
+ calcTangents(s_cubeVertices
+ , BX_COUNTOF(s_cubeVertices)
+ , PosNormalTangentTexcoordVertex::ms_decl
+ , s_cubeIndices
+ , BX_COUNTOF(s_cubeIndices)
+ );
+
+ // Create static vertex buffer.
+ m_vbh = bgfx::createVertexBuffer(
+ bgfx::makeRef(s_cubeVertices, sizeof(s_cubeVertices) )
+ , PosNormalTangentTexcoordVertex::ms_decl
+ );
+
+ // Create static index buffer.
+ m_ibh = bgfx::createIndexBuffer(bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) ) );
+
+ // Create texture sampler uniforms.
+ s_texColor = bgfx::createUniform("s_texColor", bgfx::UniformType::Int1);
+ s_texNormal = bgfx::createUniform("s_texNormal", bgfx::UniformType::Int1);
+
+ m_numLights = 4;
+ u_lightPosRadius = bgfx::createUniform("u_lightPosRadius", bgfx::UniformType::Vec4, m_numLights);
+ u_lightRgbInnerR = bgfx::createUniform("u_lightRgbInnerR", bgfx::UniformType::Vec4, m_numLights);
+
+ // Create program from shaders.
+ m_program = loadProgram(m_instancingSupported ? "vs_bump_instanced" : "vs_bump", "fs_bump");
+
+ // Load diffuse texture.
+ m_textureColor = loadTexture("fieldstone-rgba.dds");
+
+ // Load normal texture.
+ m_textureNormal = loadTexture("fieldstone-n.dds");
+
+ m_timeOffset = bx::getHPCounter();
+ }
- // Create static index buffer.
- bgfx::IndexBufferHandle ibh = bgfx::createIndexBuffer(bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) ) );
+ virtual int shutdown() BX_OVERRIDE
+ {
+ // Cleanup.
+ bgfx::destroyIndexBuffer(m_ibh);
+ bgfx::destroyVertexBuffer(m_vbh);
+ bgfx::destroyProgram(m_program);
+ bgfx::destroyTexture(m_textureColor);
+ bgfx::destroyTexture(m_textureNormal);
+ bgfx::destroyUniform(s_texColor);
+ bgfx::destroyUniform(s_texNormal);
+ bgfx::destroyUniform(u_lightPosRadius);
+ bgfx::destroyUniform(u_lightRgbInnerR);
+
+ // Shutdown bgfx.
+ bgfx::shutdown();
+
+ return 0;
+ }
- // Create texture sampler uniforms.
- bgfx::UniformHandle u_texColor = bgfx::createUniform("u_texColor", bgfx::UniformType::Uniform1iv);
- bgfx::UniformHandle u_texNormal = bgfx::createUniform("u_texNormal", bgfx::UniformType::Uniform1iv);
+ bool update() BX_OVERRIDE
+ {
+ if (!entry::processEvents(m_width, m_height, m_debug, m_reset) )
+ {
+ // Set view 0 default viewport.
+ bgfx::setViewRect(0, 0, 0, m_width, m_height);
- uint16_t numLights = 4;
- bgfx::UniformHandle u_lightPosRadius = bgfx::createUniform("u_lightPosRadius", bgfx::UniformType::Uniform4fv, numLights);
- bgfx::UniformHandle u_lightRgbInnerR = bgfx::createUniform("u_lightRgbInnerR", bgfx::UniformType::Uniform4fv, numLights);
+ // 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);
- // Create program from shaders.
- bgfx::ProgramHandle program = loadProgram(instancingSupported ? "vs_bump_instanced" : "vs_bump", "fs_bump");
+ 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;
- // Load diffuse texture.
- bgfx::TextureHandle textureColor = loadTexture("fieldstone-rgba.dds");
+ float time = (float)( (now-m_timeOffset)/freq);
- // Load normal texture.
- bgfx::TextureHandle textureNormal = loadTexture("fieldstone-n.dds");
+ // Use debug font to print information about this example.
+ bgfx::dbgTextClear();
+ bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/06-bump");
+ bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Loading textures.");
+ bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
- int64_t timeOffset = bx::getHPCounter();
+ float at[3] = { 0.0f, 0.0f, 0.0f };
+ float eye[3] = { 0.0f, 0.0f, -7.0f };
- while (!entry::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)( (now-timeOffset)/freq);
-
- // Use debug font to print information about this example.
- bgfx::dbgTextClear();
- bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/06-bump");
- bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Loading textures.");
- 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 };
-
- // Set view and projection matrix for view 0.
- const bgfx::HMD* hmd = bgfx::getHMD();
- if (NULL != hmd)
- {
- float view[16];
- bx::mtxQuatTranslationHMD(view, hmd->eye[0].rotation, eye);
+ // Set view and projection matrix for view 0.
+ const bgfx::HMD* hmd = bgfx::getHMD();
+ if (NULL != hmd && 0 != (hmd->flags & BGFX_HMD_RENDERING) )
+ {
+ float view[16];
+ bx::mtxQuatTranslationHMD(view, hmd->eye[0].rotation, eye);
- float proj[16];
- bx::mtxProj(proj, hmd->eye[0].fov, 0.1f, 100.0f);
+ float proj[16];
+ bx::mtxProj(proj, hmd->eye[0].fov, 0.1f, 100.0f);
- bgfx::setViewTransform(0, view, proj);
+ bgfx::setViewTransform(0, view, proj);
- // Set view 0 default viewport.
- //
- // Use HMD's width/height since HMD's internal frame buffer size
- // might be much larger than window size.
- bgfx::setViewRect(0, 0, 0, hmd->width, hmd->height);
- }
- else
- {
- float view[16];
- bx::mtxLookAt(view, eye, at);
+ // Set view 0 default viewport.
+ //
+ // Use HMD's width/height since HMD's internal frame buffer size
+ // might be much larger than window size.
+ bgfx::setViewRect(0, 0, 0, hmd->width, hmd->height);
+ }
+ else
+ {
+ float view[16];
+ bx::mtxLookAt(view, eye, at);
- float proj[16];
- bx::mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
- bgfx::setViewTransform(0, view, proj);
+ float proj[16];
+ bx::mtxProj(proj, 60.0f, float(m_width)/float(m_height), 0.1f, 100.0f);
+ bgfx::setViewTransform(0, view, proj);
- // Set view 0 default viewport.
- bgfx::setViewRect(0, 0, 0, width, height);
- }
+ // Set view 0 default viewport.
+ bgfx::setViewRect(0, 0, 0, m_width, m_height);
+ }
- float lightPosRadius[4][4];
- for (uint32_t ii = 0; ii < numLights; ++ii)
- {
- lightPosRadius[ii][0] = sinf( (time*(0.1f + ii*0.17f) + ii*bx::piHalf*1.37f ) )*3.0f;
- lightPosRadius[ii][1] = cosf( (time*(0.2f + ii*0.29f) + ii*bx::piHalf*1.49f ) )*3.0f;
- lightPosRadius[ii][2] = -2.5f;
- lightPosRadius[ii][3] = 3.0f;
- }
+ float lightPosRadius[4][4];
+ for (uint32_t ii = 0; ii < m_numLights; ++ii)
+ {
+ lightPosRadius[ii][0] = sinf( (time*(0.1f + ii*0.17f) + ii*bx::piHalf*1.37f ) )*3.0f;
+ lightPosRadius[ii][1] = cosf( (time*(0.2f + ii*0.29f) + ii*bx::piHalf*1.49f ) )*3.0f;
+ lightPosRadius[ii][2] = -2.5f;
+ lightPosRadius[ii][3] = 3.0f;
+ }
- bgfx::setUniform(u_lightPosRadius, lightPosRadius, numLights);
+ bgfx::setUniform(u_lightPosRadius, lightPosRadius, m_numLights);
- float lightRgbInnerR[4][4] =
- {
- { 1.0f, 0.7f, 0.2f, 0.8f },
- { 0.7f, 0.2f, 1.0f, 0.8f },
- { 0.2f, 1.0f, 0.7f, 0.8f },
- { 1.0f, 0.4f, 0.2f, 0.8f },
- };
+ float lightRgbInnerR[4][4] =
+ {
+ { 1.0f, 0.7f, 0.2f, 0.8f },
+ { 0.7f, 0.2f, 1.0f, 0.8f },
+ { 0.2f, 1.0f, 0.7f, 0.8f },
+ { 1.0f, 0.4f, 0.2f, 0.8f },
+ };
- bgfx::setUniform(u_lightRgbInnerR, lightRgbInnerR, numLights);
+ bgfx::setUniform(u_lightRgbInnerR, lightRgbInnerR, m_numLights);
- const uint16_t instanceStride = 64;
- const uint16_t numInstances = 3;
+ const uint16_t instanceStride = 64;
+ const uint16_t numInstances = 3;
- if (instancingSupported)
- {
- // Write instance data for 3x3 cubes.
- for (uint32_t yy = 0; yy < 3; ++yy)
+ if (m_instancingSupported)
{
- const bgfx::InstanceDataBuffer* idb = bgfx::allocInstanceDataBuffer(numInstances, instanceStride);
- if (NULL != idb)
+ // Write instance data for 3x3 cubes.
+ for (uint32_t yy = 0; yy < 3; ++yy)
+ {
+ const bgfx::InstanceDataBuffer* idb = bgfx::allocInstanceDataBuffer(numInstances, instanceStride);
+ if (NULL != idb)
+ {
+ uint8_t* data = idb->data;
+
+ for (uint32_t xx = 0; xx < 3; ++xx)
+ {
+ float* mtx = (float*)data;
+ bx::mtxRotateXY(mtx, time*0.023f + xx*0.21f, time*0.03f + yy*0.37f);
+ mtx[12] = -3.0f + float(xx)*3.0f;
+ mtx[13] = -3.0f + float(yy)*3.0f;
+ mtx[14] = 0.0f;
+
+ data += instanceStride;
+ }
+
+ // Set instance data buffer.
+ bgfx::setInstanceDataBuffer(idb, numInstances);
+
+ // Set vertex and index buffer.
+ bgfx::setVertexBuffer(m_vbh);
+ bgfx::setIndexBuffer(m_ibh);
+
+ // Bind textures.
+ bgfx::setTexture(0, s_texColor, m_textureColor);
+ bgfx::setTexture(1, s_texNormal, m_textureNormal);
+
+ // Set render states.
+ bgfx::setState(0
+ | BGFX_STATE_RGB_WRITE
+ | BGFX_STATE_ALPHA_WRITE
+ | BGFX_STATE_DEPTH_WRITE
+ | BGFX_STATE_DEPTH_TEST_LESS
+ | BGFX_STATE_MSAA
+ );
+
+ // Submit primitive for rendering to view 0.
+ bgfx::submit(0, m_program);
+ }
+ }
+ }
+ else
+ {
+ for (uint32_t yy = 0; yy < 3; ++yy)
{
- uint8_t* data = idb->data;
-
for (uint32_t xx = 0; xx < 3; ++xx)
{
- float* mtx = (float*)data;
+ float mtx[16];
bx::mtxRotateXY(mtx, time*0.023f + xx*0.21f, time*0.03f + yy*0.37f);
mtx[12] = -3.0f + float(xx)*3.0f;
mtx[13] = -3.0f + float(yy)*3.0f;
mtx[14] = 0.0f;
- data += instanceStride;
- }
-
- // Set instance data buffer.
- bgfx::setInstanceDataBuffer(idb, numInstances);
+ // Set transform for draw call.
+ bgfx::setTransform(mtx);
- // Set vertex and fragment shaders.
- bgfx::setProgram(program);
+ // Set vertex and index buffer.
+ bgfx::setVertexBuffer(m_vbh);
+ bgfx::setIndexBuffer(m_ibh);
- // Set vertex and index buffer.
- bgfx::setVertexBuffer(vbh);
- bgfx::setIndexBuffer(ibh);
+ // Bind textures.
+ bgfx::setTexture(0, s_texColor, m_textureColor);
+ bgfx::setTexture(1, s_texNormal, m_textureNormal);
- // Bind textures.
- bgfx::setTexture(0, u_texColor, textureColor);
- bgfx::setTexture(1, u_texNormal, textureNormal);
+ // Set render states.
+ bgfx::setState(0
+ | BGFX_STATE_RGB_WRITE
+ | BGFX_STATE_ALPHA_WRITE
+ | BGFX_STATE_DEPTH_WRITE
+ | BGFX_STATE_DEPTH_TEST_LESS
+ | BGFX_STATE_MSAA
+ );
- // Set render states.
- bgfx::setState(0
- | BGFX_STATE_RGB_WRITE
- | BGFX_STATE_ALPHA_WRITE
- | BGFX_STATE_DEPTH_WRITE
- | BGFX_STATE_DEPTH_TEST_LESS
- | BGFX_STATE_MSAA
- );
-
- // Submit primitive for rendering to view 0.
- bgfx::submit(0);
- }
- }
- }
- else
- {
- for (uint32_t yy = 0; yy < 3; ++yy)
- {
- for (uint32_t xx = 0; xx < 3; ++xx)
- {
- float mtx[16];
- bx::mtxRotateXY(mtx, time*0.023f + xx*0.21f, time*0.03f + yy*0.37f);
- mtx[12] = -3.0f + float(xx)*3.0f;
- mtx[13] = -3.0f + float(yy)*3.0f;
- mtx[14] = 0.0f;
-
- // Set transform for draw call.
- bgfx::setTransform(mtx);
-
- // Set vertex and fragment shaders.
- bgfx::setProgram(program);
-
- // Set vertex and index buffer.
- bgfx::setVertexBuffer(vbh);
- bgfx::setIndexBuffer(ibh);
-
- // Bind textures.
- bgfx::setTexture(0, u_texColor, textureColor);
- bgfx::setTexture(1, u_texNormal, textureNormal);
-
- // Set render states.
- bgfx::setState(0
- | BGFX_STATE_RGB_WRITE
- | BGFX_STATE_ALPHA_WRITE
- | BGFX_STATE_DEPTH_WRITE
- | BGFX_STATE_DEPTH_TEST_LESS
- | BGFX_STATE_MSAA
- );
-
- // Submit primitive for rendering to view 0.
- bgfx::submit(0);
+ // Submit primitive for rendering to view 0.
+ bgfx::submit(0, m_program);
+ }
}
}
+
+ // Advance to next frame. Rendering thread will be kicked to
+ // process submitted rendering primitives.
+ bgfx::frame();
+
+ return true;
}
- // Advance to next frame. Rendering thread will be kicked to
- // process submitted rendering primitives.
- bgfx::frame();
+ return false;
}
- // Cleanup.
- bgfx::destroyIndexBuffer(ibh);
- bgfx::destroyVertexBuffer(vbh);
- bgfx::destroyProgram(program);
- bgfx::destroyTexture(textureColor);
- bgfx::destroyTexture(textureNormal);
- bgfx::destroyUniform(u_texColor);
- bgfx::destroyUniform(u_texNormal);
- bgfx::destroyUniform(u_lightPosRadius);
- bgfx::destroyUniform(u_lightRgbInnerR);
-
- // Shutdown bgfx.
- bgfx::shutdown();
-
- return 0;
-}
+ bgfx::VertexBufferHandle m_vbh;
+ bgfx::IndexBufferHandle m_ibh;
+ bgfx::UniformHandle s_texColor;
+ bgfx::UniformHandle s_texNormal;
+ bgfx::UniformHandle u_lightPosRadius;
+ bgfx::UniformHandle u_lightRgbInnerR;
+ bgfx::ProgramHandle m_program;
+ bgfx::TextureHandle m_textureColor;
+ bgfx::TextureHandle m_textureNormal;
+ uint16_t m_numLights;
+ bool m_instancingSupported;
+
+ uint32_t m_width;
+ uint32_t m_height;
+ uint32_t m_debug;
+ uint32_t m_reset;
+ int64_t m_timeOffset;
+};
+
+ENTRY_IMPLEMENT_MAIN(Bump);