mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-12-01 03:47:07 -05:00
Added texture update batching. Added rect packing.
This commit is contained in:
bkaradzic
parent
c3cef2bb5b
commit
435b83f1ac
8 changed files with 466 additions and 71 deletions
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@ -11,9 +11,11 @@
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#include "../common/dbg.h"
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#include "../common/math.h"
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#include "../common/processevents.h"
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#include "../common/packrect.h"
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#include <stdio.h>
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#include <string.h>
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#include <list>
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struct PosColorVertex
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{
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@ -205,11 +207,7 @@ int _main_(int _argc, char** _argv)
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bgfx::destroyFragmentShader(fsh);
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uint32_t blockSide = 0;
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uint32_t blockX = 0;
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uint32_t blockY = 0;
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const uint32_t blockWidth = 8;
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const uint32_t blockHeight = 8;
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const uint32_t textureSide = 256;
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const uint32_t textureSide = 2048;
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bgfx::TextureHandle textureCube =
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bgfx::createTextureCube(6
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@ -219,15 +217,18 @@ int _main_(int _argc, char** _argv)
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, BGFX_TEXTURE_MIN_POINT|BGFX_TEXTURE_MAG_POINT|BGFX_TEXTURE_MIP_POINT
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);
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bgfx::TextureInfo ti;
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bgfx::calcTextureSize(ti, blockWidth, blockHeight, 1, 1, bgfx::TextureFormat::BGRA8);
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uint8_t rr = rand()%255;
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uint8_t gg = rand()%255;
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uint8_t bb = rand()%255;
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int64_t updateTime = 0;
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RectPackCubeT<256> cube(textureSide);
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uint32_t hit = 0;
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uint32_t miss = 0;
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std::list<PackCube> quads;
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while (!processEvents(width, height, debug, reset) )
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{
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// Set view 0 default viewport.
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@ -252,6 +253,20 @@ int _main_(int _argc, char** _argv)
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if (now > updateTime)
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{
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PackCube face;
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uint32_t bw = bx::uint16_max(1, rand()%(textureSide/4) );
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uint32_t bh = bx::uint16_max(1, rand()%(textureSide/4) );
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if (cube.find(bw, bh, face) )
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{
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quads.push_back(face);
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++hit;
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bgfx::TextureInfo ti;
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const Pack2D& rect = face.m_rect;
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bgfx::calcTextureSize(ti, rect.m_width, rect.m_height, 1, 1, bgfx::TextureFormat::BGRA8);
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// updateTime = now + freq/10;
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const bgfx::Memory* mem = bgfx::alloc(ti.storageSize);
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uint8_t* data = (uint8_t*)mem->data;
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@ -264,31 +279,27 @@ int _main_(int _argc, char** _argv)
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data += 4;
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}
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bgfx::updateTextureCube(textureCube, blockSide, 0, blockX, blockY, blockWidth, blockHeight, mem);
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bgfx::updateTextureCube(textureCube, face.m_side, 0, rect.m_x, rect.m_y, rect.m_width, rect.m_height, mem);
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blockX += 8;
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if (blockX >= textureSide)
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{
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blockX = 0;
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blockY += 8;
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if (blockY >= textureSide)
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{
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rr = rand()%255;
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gg = rand()%255;
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bb = rand()%255;
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blockY = 0;
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++blockSide;
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if (blockSide > 5)
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}
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else
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{
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blockSide = 0;
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}
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++miss;
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for (uint32_t ii = 0, num = bx::uint32_min(10, (uint32_t)quads.size() ); ii < num; ++ii)
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{
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const PackCube& face = quads.front();
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cube.clear(face);
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quads.pop_front();
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}
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}
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}
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bgfx::dbgTextPrintf(0, 4, 0x0f, "hit: %d, miss %d", hit, miss);
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float at[3] = { 0.0f, 0.0f, 0.0f };
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float eye[3] = { 0.0f, 0.0f, -5.0f };
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177
examples/common/packrect.h
Normal file
177
examples/common/packrect.h
Normal file
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@ -0,0 +1,177 @@
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/*
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* Copyright 2011-2013 Branimir Karadzic. All rights reserved.
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* License: http://www.opensource.org/licenses/BSD-2-Clause
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*/
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#ifndef __RECTPACK_H__
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#define __RECTPACK_H__
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#include <bx/uint32_t.h>
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struct Pack2D
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{
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uint16_t m_x;
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uint16_t m_y;
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uint16_t m_width;
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uint16_t m_height;
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};
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struct PackCube
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{
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Pack2D m_rect;
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uint8_t m_side;
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};
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template <uint16_t numBlocks>
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class RectPackCubeT;
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template <uint16_t numBlocks>
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class RectPack2DT
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{
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public:
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RectPack2DT(uint16_t _width, uint16_t _height)
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{
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reset(_width, _height);
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}
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void reset(uint16_t _width, uint16_t _height)
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{
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m_bw = _width/64;
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m_bh = _height/numBlocks;
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memset(m_mem, 0xff, sizeof(m_mem) );
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}
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bool find(uint16_t _width, uint16_t _height, Pack2D& _pack)
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{
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uint16_t width = bx::uint16_min(64, (_width + m_bw - 1) / m_bw);
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uint16_t height = bx::uint16_min(numBlocks, (_height + m_bh - 1) / m_bh);
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uint16_t numx = 64-width;
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uint16_t numy = numBlocks-height;
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const uint64_t scan = width == 64 ? UINT64_MAX : (UINT64_C(1)<<width)-1;
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for (uint16_t starty = 0; starty <= numy; ++starty)
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{
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uint64_t mem = m_mem[starty];
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uint16_t ntz = (uint16_t)bx::uint64_cnttz(mem);
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uint64_t mask = scan<<ntz;
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for (uint16_t xx = ntz; xx <= numx; ++xx, mask <<= 1)
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{
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uint16_t yy = starty;
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if ( (mem&mask) == mask)
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{
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uint16_t endy = starty + height;
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while (yy < endy && (m_mem[yy]&mask) == mask)
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{
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++yy;
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}
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if (yy == endy)
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{
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uint64_t cmask = ~mask;
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for (yy = starty; yy < endy; ++yy)
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{
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m_mem[yy] &= cmask;
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}
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_pack.m_x = xx * m_bw;
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_pack.m_y = starty * m_bh;
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_pack.m_width = width * m_bw;
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_pack.m_height = height * m_bh;
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return true;
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}
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}
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}
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}
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return false;
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}
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void clear(const Pack2D& _pack)
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{
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uint16_t startx = bx::uint16_min(63, _pack.m_x / m_bw);
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uint16_t starty = bx::uint16_min(numBlocks-1, _pack.m_y / m_bh);
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uint16_t endx = bx::uint16_min(64, (_pack.m_width + m_bw - 1) / m_bw + startx);
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uint16_t endy = bx::uint16_min(numBlocks, (_pack.m_height + m_bh - 1) / m_bh + starty);
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uint16_t width = endx - startx;
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const uint64_t mask = (width == 64 ? UINT64_MAX : (UINT64_C(1)<<width)-1 )<<startx;
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for (uint16_t yy = starty; yy < endy; ++yy)
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{
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m_mem[yy] |= mask;
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}
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}
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private:
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friend class RectPackCubeT<numBlocks>;
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RectPack2DT()
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{
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}
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uint64_t m_mem[numBlocks];
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uint16_t m_bw;
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uint16_t m_bh;
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};
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template <uint16_t numBlocks>
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class RectPackCubeT
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{
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public:
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RectPackCubeT(uint16_t _side)
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{
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reset(_side);
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}
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void reset(uint16_t _side)
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{
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for (uint32_t ii = 0; ii < 6; ++ii)
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{
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m_mru[ii] = ii;
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m_ra[ii].reset(_side, _side);
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}
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}
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bool find(uint16_t _width, uint16_t _height, PackCube& _pack)
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{
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bool found = false;
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for (uint32_t ii = 0; ii < 6; ++ii)
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{
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uint8_t side = m_mru[ii];
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found = m_ra[side].find(_width, _height, _pack.m_rect);
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if (found)
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{
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_pack.m_side = side;
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m_mru[ii] = m_mru[0];
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m_mru[0] = side;
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return true;
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}
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}
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return false;
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}
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void clear(const PackCube& _pack)
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{
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uint8_t side = _pack.m_side;
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uint32_t ii = 0;
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for (; ii < 6 && m_mru[ii] != side; ++ii);
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m_mru[ii] = m_mru[0];
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m_mru[0] = side;
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m_ra[side].clear(_pack.m_rect);
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}
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private:
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RectPackCubeT();
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RectPack2DT<numBlocks> m_ra[6];
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uint8_t m_mru[6];
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};
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#endif // __RECTPACK_H__
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153
src/bgfx_p.h
153
src/bgfx_p.h
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@ -194,16 +194,6 @@ namespace bgfx
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const char* getAttribName(Attrib::Enum _attr);
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bool renderFrame();
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inline uint16_t uint16_min(uint16_t _a, uint16_t _b)
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{
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return _a > _b ? _b : _a;
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}
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inline uint16_t uint16_max(uint16_t _a, uint16_t _b)
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{
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return _a < _b ? _b : _a;
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}
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inline uint32_t gcd(uint32_t _a, uint32_t _b)
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{
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do
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@ -374,6 +364,49 @@ namespace bgfx
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bool m_init;
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};
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template <uint32_t maxKeys>
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struct UpdateBatchT
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{
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UpdateBatchT()
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: m_num(0)
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{
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}
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void add(uint32_t _key, uint32_t _value)
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{
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uint32_t num = m_num++;
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m_keys[num] = _key;
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m_values[num] = _value;
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}
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bool sort()
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{
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if (0 < m_num)
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{
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uint32_t* tempKeys = (uint32_t*)alloca(sizeof(m_keys) );
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uint32_t* tempValues = (uint32_t*)alloca(sizeof(m_values) );
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bx::radixSort32(m_keys, tempKeys, m_values, tempValues, m_num);
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return true;
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}
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return false;
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}
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bool isFull() const
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{
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return m_num >= maxKeys;
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}
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void reset()
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{
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m_num = 0;
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}
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uint32_t m_num;
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uint32_t m_keys[maxKeys];
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uint32_t m_values[maxKeys];
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};
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struct ClearQuad
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{
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void init();
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@ -480,6 +513,12 @@ namespace bgfx
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read(reinterpret_cast<uint8_t*>(&_in), sizeof(Type) );
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}
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void skip(uint32_t _size)
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{
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BX_CHECK(m_pos < m_size, "");
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m_pos += _size;
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}
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void reset()
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{
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m_pos = 0;
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@ -2369,7 +2408,9 @@ namespace bgfx
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void rendererCreateProgram(ProgramHandle _handle, VertexShaderHandle _vsh, FragmentShaderHandle _fsh);
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void rendererDestroyProgram(FragmentShaderHandle _handle);
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void rendererCreateTexture(TextureHandle _handle, Memory* _mem, uint32_t _flags);
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void rendererUpdateTextureBegin(TextureHandle _handle, uint8_t _side, uint8_t _mip);
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void rendererUpdateTexture(TextureHandle _handle, uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, const Memory* _mem);
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void rendererUpdateTextureEnd();
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void rendererDestroyTexture(TextureHandle _handle);
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void rendererCreateRenderTarget(RenderTargetHandle _handle, uint16_t _width, uint16_t _height, uint32_t _flags, uint32_t _textureFlags);
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void rendererDestroyRenderTarget(RenderTargetHandle _handle);
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@ -2403,6 +2444,66 @@ namespace bgfx
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}
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}
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void flushTextureUpdateBatch(CommandBuffer& _cmdbuf)
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{
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if (m_textureUpdateBatch.sort() )
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{
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const uint32_t pos = _cmdbuf.m_pos;
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uint32_t currentKey = UINT32_MAX;
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for (uint32_t ii = 0, num = m_textureUpdateBatch.m_num; ii < num; ++ii)
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{
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_cmdbuf.m_pos = m_textureUpdateBatch.m_values[ii];
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TextureHandle handle;
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_cmdbuf.read(handle);
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uint8_t side;
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_cmdbuf.read(side);
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uint8_t mip;
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_cmdbuf.read(mip);
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Rect rect;
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_cmdbuf.read(rect);
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uint16_t zz;
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_cmdbuf.read(zz);
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uint16_t depth;
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_cmdbuf.read(depth);
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Memory* mem;
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_cmdbuf.read(mem);
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uint32_t key = m_textureUpdateBatch.m_keys[ii];
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if (key != currentKey)
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{
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if (currentKey != UINT32_MAX)
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{
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rendererUpdateTextureEnd();
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}
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currentKey = key;
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rendererUpdateTextureBegin(handle, side, mip);
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}
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rendererUpdateTexture(handle, side, mip, rect, zz, depth, mem);
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release(mem);
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}
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if (currentKey != UINT32_MAX)
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{
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rendererUpdateTextureEnd();
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}
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m_textureUpdateBatch.reset();
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_cmdbuf.m_pos = pos;
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}
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}
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void rendererExecCommands(CommandBuffer& _cmdbuf)
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{
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_cmdbuf.reset();
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@ -2677,6 +2778,13 @@ namespace bgfx
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case CommandBuffer::UpdateTexture:
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{
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if (m_textureUpdateBatch.isFull() )
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{
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flushTextureUpdateBatch(_cmdbuf);
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}
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uint32_t value = _cmdbuf.m_pos;
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TextureHandle handle;
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_cmdbuf.read(handle);
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@ -2686,21 +2794,14 @@ namespace bgfx
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uint8_t mip;
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_cmdbuf.read(mip);
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Rect rect;
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_cmdbuf.read(rect);
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_cmdbuf.skip(sizeof(Rect)+sizeof(uint16_t)+sizeof(uint16_t)+sizeof(Memory*) );
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uint16_t zz;
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_cmdbuf.read(zz);
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uint32_t key = (handle.idx<<16)
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| (side<<8)
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| mip
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;
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uint16_t depth;
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_cmdbuf.read(depth);
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Memory* mem;
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_cmdbuf.read(mem);
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rendererUpdateTexture(handle, side, mip, rect, zz, depth, mem);
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release(mem);
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m_textureUpdateBatch.add(key, value);
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}
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break;
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@ -2794,6 +2895,8 @@ namespace bgfx
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break;
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}
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} while (!end);
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flushTextureUpdateBatch(_cmdbuf);
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}
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void rendererSubmit();
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@ -2915,6 +3018,10 @@ namespace bgfx
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bool m_rendererInitialized;
|
||||
bool m_exit;
|
||||
|
||||
BX_CACHE_LINE_ALIGN_MARKER();
|
||||
typedef UpdateBatchT<256> TextureUpdateBatch;
|
||||
TextureUpdateBatch m_textureUpdateBatch;
|
||||
};
|
||||
|
||||
} // namespace bgfx
|
||||
|
|
|
|||
|
|
@ -2011,11 +2011,19 @@ namespace bgfx
|
|||
s_renderCtx.m_textures[_handle.idx].create(_mem, _flags);
|
||||
}
|
||||
|
||||
void Context::rendererUpdateTextureBegin(TextureHandle /*_handle*/, uint8_t /*_side*/, uint8_t /*_mip*/)
|
||||
{
|
||||
}
|
||||
|
||||
void Context::rendererUpdateTexture(TextureHandle _handle, uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, const Memory* _mem)
|
||||
{
|
||||
s_renderCtx.m_textures[_handle.idx].update(_side, _mip, _rect, _z, _depth, _mem);
|
||||
}
|
||||
|
||||
void Context::rendererUpdateTextureEnd()
|
||||
{
|
||||
}
|
||||
|
||||
void Context::rendererDestroyTexture(TextureHandle _handle)
|
||||
{
|
||||
s_renderCtx.m_textures[_handle.idx].destroy();
|
||||
|
|
|
|||
|
|
@ -881,6 +881,12 @@ namespace bgfx
|
|||
UniformRegistry m_uniformReg;
|
||||
void* m_uniforms[BGFX_CONFIG_MAX_UNIFORMS];
|
||||
|
||||
Texture* m_updateTexture;
|
||||
uint8_t* m_updateTextureBits;
|
||||
uint32_t m_updateTexturePitch;
|
||||
uint8_t m_updateTextureSide;
|
||||
uint8_t m_updateTextureMip;
|
||||
|
||||
TextVideoMem m_textVideoMem;
|
||||
RenderTargetHandle m_rt;
|
||||
bool m_rtMsaa;
|
||||
|
|
@ -1346,6 +1352,42 @@ namespace bgfx
|
|||
BX_CHECK(false, "You should not be here.");
|
||||
}
|
||||
|
||||
void Texture::dirty(uint8_t _side, const Rect& _rect)
|
||||
{
|
||||
switch (m_type)
|
||||
{
|
||||
case Texture2D:
|
||||
{
|
||||
RECT rect;
|
||||
rect.left = _rect.m_x;
|
||||
rect.top = _rect.m_y;
|
||||
rect.right = rect.left + _rect.m_width;
|
||||
rect.bottom = rect.top + _rect.m_height;
|
||||
DX_CHECK(m_texture2d->AddDirtyRect(&rect) );
|
||||
}
|
||||
return;
|
||||
|
||||
case Texture3D:
|
||||
{
|
||||
// DX_CHECK(m_texture3d->AddDirtyRect(_box) );
|
||||
}
|
||||
return;
|
||||
|
||||
case TextureCube:
|
||||
{
|
||||
RECT rect;
|
||||
rect.left = _rect.m_x;
|
||||
rect.top = _rect.m_y;
|
||||
rect.right = rect.left + _rect.m_width;
|
||||
rect.bottom = rect.top + _rect.m_height;
|
||||
DX_CHECK(m_textureCube->AddDirtyRect(D3DCUBEMAP_FACES(_side), &rect) );
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
BX_CHECK(false, "You should not be here.");
|
||||
}
|
||||
|
||||
void Texture::create(const Memory* _mem, uint32_t _flags)
|
||||
{
|
||||
m_tau = s_textureAddress[(_flags&BGFX_TEXTURE_U_MASK)>>BGFX_TEXTURE_U_SHIFT];
|
||||
|
|
@ -1548,22 +1590,41 @@ namespace bgfx
|
|||
}
|
||||
}
|
||||
|
||||
void Texture::updateBegin(uint8_t _side, uint8_t _mip)
|
||||
{
|
||||
uint32_t slicePitch;
|
||||
s_renderCtx.m_updateTextureSide = _side;
|
||||
s_renderCtx.m_updateTextureMip = _mip;
|
||||
s_renderCtx.m_updateTextureBits = lock(_side, _mip, s_renderCtx.m_updateTexturePitch, slicePitch);
|
||||
}
|
||||
|
||||
void Texture::update(uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, const Memory* _mem)
|
||||
{
|
||||
uint32_t pitch;
|
||||
uint32_t slicePitch;
|
||||
uint8_t* bits = lock(_side, _mip, pitch, slicePitch, &_rect);
|
||||
uint32_t bpp = s_textureFormat[m_format].m_bpp;
|
||||
uint32_t srcpitch = _rect.m_width*bpp/8;
|
||||
uint32_t dstpitch = s_renderCtx.m_updateTexturePitch;
|
||||
uint8_t* bits = s_renderCtx.m_updateTextureBits + _rect.m_y*dstpitch + _rect.m_x*bpp/8;
|
||||
|
||||
uint32_t srcpitch = _rect.m_width*s_textureFormat[m_format].m_bpp/8;
|
||||
uint32_t dstpitch = pitch;
|
||||
if (srcpitch == dstpitch)
|
||||
{
|
||||
memcpy(bits, _mem->data, srcpitch*_rect.m_height);
|
||||
}
|
||||
else
|
||||
{
|
||||
for (uint32_t yy = 0, height = _rect.m_height; yy < height; ++yy)
|
||||
{
|
||||
uint8_t* src = &_mem->data[yy*srcpitch];
|
||||
uint8_t* dst = &bits[yy*dstpitch];
|
||||
memcpy(dst, src, srcpitch);
|
||||
}
|
||||
}
|
||||
|
||||
unlock(_side, _mip);
|
||||
dirty(_side, _rect);
|
||||
}
|
||||
|
||||
void Texture::updateEnd()
|
||||
{
|
||||
unlock(s_renderCtx.m_updateTextureSide, s_renderCtx.m_updateTextureMip);
|
||||
}
|
||||
|
||||
void Texture::commit(uint8_t _stage)
|
||||
|
|
@ -1990,9 +2051,21 @@ namespace bgfx
|
|||
s_renderCtx.m_textures[_handle.idx].create(_mem, _flags);
|
||||
}
|
||||
|
||||
void Context::rendererUpdateTextureBegin(TextureHandle _handle, uint8_t _side, uint8_t _mip)
|
||||
{
|
||||
s_renderCtx.m_updateTexture = &s_renderCtx.m_textures[_handle.idx];
|
||||
s_renderCtx.m_updateTexture->updateBegin(_side, _mip);
|
||||
}
|
||||
|
||||
void Context::rendererUpdateTexture(TextureHandle _handle, uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, const Memory* _mem)
|
||||
{
|
||||
s_renderCtx.m_textures[_handle.idx].update(_side, _mip, _rect, _z, _depth, _mem);
|
||||
s_renderCtx.m_updateTexture->update(_side, _mip, _rect, _z, _depth, _mem);
|
||||
}
|
||||
|
||||
void Context::rendererUpdateTextureEnd()
|
||||
{
|
||||
s_renderCtx.m_updateTexture->updateEnd();
|
||||
s_renderCtx.m_updateTexture = NULL;
|
||||
}
|
||||
|
||||
void Context::rendererDestroyTexture(TextureHandle _handle)
|
||||
|
|
|
|||
|
|
@ -320,6 +320,7 @@ namespace bgfx
|
|||
|
||||
uint8_t* lock(uint8_t _side, uint8_t _lod, uint32_t& _pitch, uint32_t& _slicePitch, const Rect* _rect = NULL);
|
||||
void unlock(uint8_t _side, uint8_t _lod);
|
||||
void dirty(uint8_t _side, const Rect& _rect);
|
||||
|
||||
void create(const Memory* _mem, uint32_t _flags);
|
||||
|
||||
|
|
@ -328,7 +329,9 @@ namespace bgfx
|
|||
DX_RELEASE(m_ptr, 0);
|
||||
}
|
||||
|
||||
void updateBegin(uint8_t _side, uint8_t _mip);
|
||||
void update(uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, const Memory* _mem);
|
||||
void updateEnd();
|
||||
void commit(uint8_t _stage);
|
||||
|
||||
union
|
||||
|
|
|
|||
|
|
@ -2187,11 +2187,19 @@ namespace bgfx
|
|||
s_renderCtx.m_textures[_handle.idx].create(_mem, _flags);
|
||||
}
|
||||
|
||||
void Context::rendererUpdateTextureBegin(TextureHandle _handle, uint8_t _side, uint8_t _mip)
|
||||
{
|
||||
}
|
||||
|
||||
void Context::rendererUpdateTexture(TextureHandle _handle, uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, const Memory* _mem)
|
||||
{
|
||||
s_renderCtx.m_textures[_handle.idx].update(_side, _mip, _rect, _z, _depth, _mem);
|
||||
}
|
||||
|
||||
void Context::rendererUpdateTextureEnd()
|
||||
{
|
||||
}
|
||||
|
||||
void Context::rendererDestroyTexture(TextureHandle _handle)
|
||||
{
|
||||
s_renderCtx.m_textures[_handle.idx].destroy();
|
||||
|
|
|
|||
|
|
@ -124,10 +124,18 @@ namespace bgfx
|
|||
}
|
||||
}
|
||||
|
||||
void Context::rendererUpdateTextureBegin(TextureHandle /*_handle*/, uint8_t /*_side*/, uint8_t /*_mip*/)
|
||||
{
|
||||
}
|
||||
|
||||
void Context::rendererUpdateTexture(TextureHandle /*_handle*/, uint8_t /*_side*/, uint8_t /*_mip*/, const Rect& /*_rect*/, uint16_t /*_z*/, uint16_t /*_depth*/, const Memory* /*_mem*/)
|
||||
{
|
||||
}
|
||||
|
||||
void Context::rendererUpdateTextureEnd()
|
||||
{
|
||||
}
|
||||
|
||||
void Context::rendererDestroyTexture(TextureHandle /*_handle*/)
|
||||
{
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue