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author Miodrag Milanovic <mmicko@gmail.com>2015-02-01 10:14:17 +0100
committer Miodrag Milanovic <mmicko@gmail.com>2015-02-01 10:14:17 +0100
commitb3303c3a32b94b61f82e739d8d494752047f11c1 (patch)
tree1383c753eaebdfa039f1768f55c96fe800ce020f /3rdparty/bgfx/examples/04-mesh/mesh.cpp
parent09b6ec9869349cf9befd8c3589f1dccb32bacd1a (diff)
Added BGFX latest code to 3rdparty (nw)
Diffstat (limited to '3rdparty/bgfx/examples/04-mesh/mesh.cpp')
-rw-r--r--3rdparty/bgfx/examples/04-mesh/mesh.cpp121
1 files changed, 121 insertions, 0 deletions
diff --git a/3rdparty/bgfx/examples/04-mesh/mesh.cpp b/3rdparty/bgfx/examples/04-mesh/mesh.cpp
new file mode 100644
index 00000000000..04a36cbaad1
--- /dev/null
+++ b/3rdparty/bgfx/examples/04-mesh/mesh.cpp
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2011-2015 Branimir Karadzic. All rights reserved.
+ * License: http://www.opensource.org/licenses/BSD-2-Clause
+ */
+
+#include "common.h"
+#include "bgfx_utils.h"
+
+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|BGFX_CLEAR_DEPTH
+ , 0x303030ff
+ , 1.0f
+ , 0
+ );
+
+ bgfx::UniformHandle u_time = bgfx::createUniform("u_time", bgfx::UniformType::Uniform1f);
+
+ // Create program from shaders.
+ bgfx::ProgramHandle program = loadProgram("vs_mesh", "fs_mesh");
+
+ Mesh* mesh = meshLoad("meshes/bunny.bin");
+
+ int64_t timeOffset = bx::getHPCounter();
+
+ 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)( (bx::getHPCounter()-timeOffset)/double(bx::getHPFrequency() ) );
+ bgfx::setUniform(u_time, &time);
+
+ // Use debug font to print information about this example.
+ bgfx::dbgTextClear();
+ bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/04-mesh");
+ bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Loading meshes.");
+ bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
+
+ float at[3] = { 0.0f, 1.0f, 0.0f };
+ float eye[3] = { 0.0f, 1.0f, -2.5f };
+
+ // 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);
+
+ float proj[16];
+ bx::mtxProj(proj, hmd->eye[0].fov, 0.1f, 100.0f);
+
+ 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);
+
+ float proj[16];
+ bx::mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
+ bgfx::setViewTransform(0, view, proj);
+
+ // Set view 0 default viewport.
+ bgfx::setViewRect(0, 0, 0, width, height);
+ }
+
+ float mtx[16];
+ bx::mtxRotateXY(mtx
+ , 0.0f
+ , time*0.37f
+ );
+
+ meshSubmit(mesh, 0, program, mtx);
+
+ // Advance to next frame. Rendering thread will be kicked to
+ // process submitted rendering primitives.
+ bgfx::frame();
+ }
+
+ meshUnload(mesh);
+
+ // Cleanup.
+ bgfx::destroyProgram(program);
+
+ bgfx::destroyUniform(u_time);
+
+ // Shutdown bgfx.
+ bgfx::shutdown();
+
+ return 0;
+}