text/html; charset=UTF-8 Last-Modified: Sat, 03 May 2025 15:20:26 GMT Expires: Tue, 01 May 2035 15:20:26 GMT mame - MAME - Multiple Arcade Machine Emulator
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-rw-r--r--src/emu/rendfont.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/emu/rendfont.h b/src/emu/rendfont.h
index 0c92e1b4a39..aaaa40ac278 100644
--- a/src/emu/rendfont.h
+++ b/src/emu/rendfont.h
@@ -4,7 +4,7 @@
Rendering system font management.
- Copyright (c) 1996-2007, Nicola Salmoria and the MAME Team.
+ Copyright Nicola Salmoria and the MAME Team.
Visit http://mamedev.org for licensing and usage restrictions.
***************************************************************************/
9' href='#n89'>89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250
/*
 * Copyright 2011-2016 Branimir Karadzic. All rights reserved.
 * License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
 */

#include "common.h"
#include "bgfx_utils.h"

struct PosColorVertex
{
	float m_x;
	float m_y;
	float m_z;
	uint32_t m_abgr;

	static void init()
	{
		ms_decl
			.begin()
			.add(bgfx::Attrib::Position, 3, bgfx::AttribType::Float)
			.add(bgfx::Attrib::Color0,   4, bgfx::AttribType::Uint8, true)
			.end();
	};

	static bgfx::VertexDecl ms_decl;
};

bgfx::VertexDecl PosColorVertex::ms_decl;

static PosColorVertex s_cubeVertices[8] =
{
	{-1.0f,  1.0f,  1.0f, 0xff000000 },
	{ 1.0f,  1.0f,  1.0f, 0xff0000ff },
	{-1.0f, -1.0f,  1.0f, 0xff00ff00 },
	{ 1.0f, -1.0f,  1.0f, 0xff00ffff },
	{-1.0f,  1.0f, -1.0f, 0xffff0000 },
	{ 1.0f,  1.0f, -1.0f, 0xffff00ff },
	{-1.0f, -1.0f, -1.0f, 0xffffff00 },
	{ 1.0f, -1.0f, -1.0f, 0xffffffff },
};

static const uint16_t s_cubeIndices[36] =
{
	0, 1, 2, // 0
	1, 3, 2,
	4, 6, 5, // 2
	5, 6, 7,
	0, 2, 4, // 4
	4, 2, 6,
	1, 5, 3, // 6
	5, 7, 3,
	0, 4, 1, // 8
	4, 5, 1,
	2, 3, 6, // 10
	6, 3, 7,
};

class ExampleInstancing : public entry::AppI
{
	void init(int _argc, char** _argv) BX_OVERRIDE
	{
		Args args(_argc, _argv);

		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);

		// Set view 0 clear state.
		bgfx::setViewClear(0
			, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
			, 0x303030ff
			, 1.0f
			, 0
			);

		// Create vertex stream declaration.
		PosColorVertex::init();

		// 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 program from shaders.
		m_program = loadProgram("vs_instancing", "fs_instancing");

		m_timeOffset = bx::getHPCounter();
	}

	int shutdown() BX_OVERRIDE
	{
		// Cleanup.
		bgfx::destroyIndexBuffer(m_ibh);
		bgfx::destroyVertexBuffer(m_vbh);
		bgfx::destroyProgram(m_program);

		// Shutdown bgfx.
		bgfx::shutdown();

		return 0;
	}

	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);

			// 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);

			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)/double(bx::getHPFrequency() ) );

			// Use debug font to print information about this example.
			bgfx::dbgTextClear();
			bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/05-instancing");
			bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Geometry instancing.");
			bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);

			// Get renderer capabilities info.
			const bgfx::Caps* caps = bgfx::getCaps();

			// Check if instancing is supported.
			if (0 == (BGFX_CAPS_INSTANCING & caps->supported) )
			{
				// When instancing is not supported by GPU, implement alternative
				// code path that doesn't use instancing.
				bool blink = uint32_t(time*3.0f)&1;
				bgfx::dbgTextPrintf(0, 5, blink ? 0x1f : 0x01, " Instancing is not supported by GPU. ");
			}
			else
			{
				float at[3]  = { 0.0f, 0.0f,   0.0f };
				float eye[3] = { 0.0f, 0.0f, -35.0f };

				// 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);

					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(m_width)/float(m_height), 0.1f, 100.0f);
					bgfx::setViewTransform(0, view, proj);

					// Set view 0 default viewport.
					bgfx::setViewRect(0, 0, 0, m_width, m_height);
				}

				const uint16_t instanceStride = 80;
				const bgfx::InstanceDataBuffer* idb = bgfx::allocInstanceDataBuffer(121, instanceStride);
				if (NULL != idb)
				{
					uint8_t* data = idb->data;

					// Write instance data for 11x11 cubes.
					for (uint32_t yy = 0, numInstances = 0; yy < 11 && numInstances < idb->num; ++yy)
					{
						for (uint32_t xx = 0; xx < 11 && numInstances < idb->num; ++xx, ++numInstances)
						{
							float* mtx = (float*)data;
							bx::mtxRotateXY(mtx, time + xx*0.21f, time + yy*0.37f);
							mtx[12] = -15.0f + float(xx)*3.0f;
							mtx[13] = -15.0f + float(yy)*3.0f;
							mtx[14] = 0.0f;

							float* color = (float*)&data[64];
							color[0] = sinf(time+float(xx)/11.0f)*0.5f+0.5f;
							color[1] = cosf(time+float(yy)/11.0f)*0.5f+0.5f;
							color[2] = sinf(time*3.0f)*0.5f+0.5f;
							color[3] = 1.0f;

							data += instanceStride;
						}
					}

					// Set vertex and index buffer.
					bgfx::setVertexBuffer(m_vbh);
					bgfx::setIndexBuffer(m_ibh);

					// Set instance data buffer.
					bgfx::setInstanceDataBuffer(idb);

					// Set render states.
					bgfx::setState(BGFX_STATE_DEFAULT);

					// 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;
		}

		return false;
	}

	uint32_t m_width;
	uint32_t m_height;
	uint32_t m_debug;
	uint32_t m_reset;
	bgfx::VertexBufferHandle m_vbh;
	bgfx::IndexBufferHandle  m_ibh;
	bgfx::ProgramHandle m_program;

	int64_t m_timeOffset;
};

ENTRY_IMPLEMENT_MAIN(ExampleInstancing);