From ed5158f3fe5c0f21b245ffb25d55b4b172580bbc Mon Sep 17 00:00:00 2001
From: blobt <klm777x7@gmail.com>
Date: Thu, 25 Jun 2020 22:43:02 +0800
Subject: [PATCH] =?UTF-8?q?=E7=BB=98=E5=88=B6depthmap?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .vs/shader2/v14/.suo       | Bin 53248 -> 53248 bytes
 main.cpp                   |  49 +++++--------------------------------
 res/shader/ViewDepthMap.fs |   3 +++
 res/shader/ViewDepthMap.vs |  10 ++++++++
 shader2.vcxproj            |   4 +--
 shader2.vcxproj.filters    |   4 +--
 6 files changed, 23 insertions(+), 47 deletions(-)
 create mode 100644 res/shader/ViewDepthMap.fs
 create mode 100644 res/shader/ViewDepthMap.vs

diff --git a/.vs/shader2/v14/.suo b/.vs/shader2/v14/.suo
index a243411e7c4b8356079091c4c46dd807d76d5083..7e7dfc279c446299f0af31a2d1f3136a6e141e56 100644
GIT binary patch
delta 2675
zcmcgudu&rx81K1jyLFFp*KTaGt}AoEfOYF*j~3>3*(#68CL<t>0j^^!!(bq+ph)NL
z0HeTMxBJOMwkf$NOoE8LY804h1dUtpv1km5MES$SKS+#5#w#-XPJ7E17YU2O)BgHB
z&UeoF?(cl(-10}F_#;uLH!=zAW$lkQDt;h23Wb7)?aU75Qw3aSc9P|=J!;3Z+tB?+
zEdF4NM%=kO+7i&7j+lyg6rn`W-Vr$@32myYQK}HBa=!&-3Sy>g)9`ZCmw;QDvZ#KH
zHxu<q2rZ&W_Q%VTj>?jCGs@YBTtptiiHL<ZWm>upH5xew<y=HDqD1!TF+#6#q4hXo
z4UO-ri-~y>ji(U6sZ#S-pt2HCgII;AMXW~9=UR*MX+#~ujW8lu1hlKJBz*gI+<kae
zhk1qD(Nn5vdJzh#PHCmnQ)<UjNc$$EPlKQoQkzm3qE5D{Z=|bQKaRy|7!YAG4)qDK
z=)50`Wn-46%O|7#P&oApWfux4F%quu0pddhwa=ma81ad0pOt05ERhg9<dkPalalSK
zb3jjdYFJe!{)r*i<gn`~Z_pC#s$+$ClVs9fA;PTl()o(Vh`@TuR@ln660bDO&R~)j
z%7ZFUJ|XL1(Z80oMK)++5x^yV_Wzqan5JaM(4D|6?!r)77I^F0g)}eokpi|^D-%K$
zPwOGluZkiH#Xjj)$_xff@!zWg*mqmH6(3EKX-K3gF-nCPkrI=xk^tu-@$)e<eauYY
zwYQ4~Mzao2V-xygVN%~*Sn^K1cAa7~eiVvC1fG($hch)eRp{EV1K*#ktX!7sfz$nV
z*x0WpAs17*3{Legj1C_y5424!C0_a)&>6_YH$j}vfX--u%Pm>J8H1o}v4F+M3K<;m
z8GN9aFhERSuu@!Kr&Tz1yr%2B*h`80uV6iyBwaNn6S0Q?mo<Z}UH-NY+Nw8A8<J*K
z8#OiX$H`>4SYm*t-c+`0BxQYhdQ7XL@3+#Qj}CM|XYb||Mfl<GXwPc*-8hiPp1Cyh
zW%Y_fp@F%_bWmd2^AMI5^BJ*%5sMjN&VQ}nK#41A++IuGdF_mlb3wU)Zm4^g9xkUn
zB3)a|N2#mOBe3wo{M%$PY+cYw7D>Yk;ux$9aWWHFVp2+`Rd~LpEF52^*7N^fpDUsn
zsCGAlg-MY32A+tk8PTH*)GKw8@|nL>!rp7-A`EY75VF?8k!DWxF>s|h8IpZwV0=7$
z<|{cG^bwI)L$HPWM-51PD~J1w#SrAVqg)#i+Ma_K2Q(1eiJ=s`f*`b1K<w@&2<)zk
zS@}))%?Pc22XMXFkhedT7@@7VR0_VyF=D4SR=^j69;r|%V4i<3IRqIUHPGF!H`7{g
z_W5==%Ippse$0h7i_L7cx~yi0qsU^mV4LqKDkyTgY%Msp7T$X)5#IG1N9UN0b8LIS
zIV3|zCLtOq^}h;3-3?NM*b@i8`*Yx?|4TT0;AY}QOfuZ22Y*5(L)s$<%;;jp6IjgF
zl2Ezf`NbR7H+e&&LPuFWs@g(oj=RxT<SwkYm>cc+1?GI4!(nz7Hh9bhjc$+KncvuG
zFLdTwELQybU|Dx2<S{Xf>mG$PqX(yOY(}2udl|`UZD_6uWfY++B2yKF3BOk(9uq2!
zcrHr)Yvj!{NyqnJCCQZENTYvM3<wt(J6@4Cy`F(rkXR}Wov{*dy~V=mJ{|nhYXJ5{
zF(mY4<Hi{n2zK&#tCT_2APY;6p8`(c0vARI2m@6(fQ9seSp2g_r(F$XuoAwSs+Crq
z@DPa`&=Dzk5X*e&U@jaqn!t2UeQ(&BEIN!{<}P^ub0^fDtDnd%Jvn?!kH7!AH;aSn
FzX5(Fv;zPD

delta 1780
zcmcgsZ){Ul6o2>jy|r`g_Gr7dbgV1MLf>Q?tuUMfrPy`?1Gbq3i7sZv#zmqb(T+go
zLJ@TzXeR5~LU4Y-H-g5HX?l_PK~2YoM&h5D7(<MSiGRL`|2`Cw8DXB&?m;O_{N_!5
z@0|O)@0@$@@1A>8r%kETruUxZw!aPq(!cNcmW3oq%E4hi#48wF=P$7~IBXhv?qj4c
zR^kVn8F6FrcDsqLirhVj0K$);QDw=JUx9uNVhh5t#0Sx8h+2dTVM9<ZC&XoUWheG1
zQid71F6P1B{Ywn7Eld7=C7c`mwTShI4Tv_xMnpTpj(89=IaXAoM;XFsw<0=-)gD1_
z8)7?R2f~NgiP(kcMo<Jb2rC|#lRabojWDiUu?2tKe%z2vD#&Ikk*%UA8~knd#z-N`
zU?@a8C51>e@~hC6Dn#5}3Xv9L{j$vvhfc(aq&v16z5f!(ivRqN0x3`9d@G7e-dW3-
zByj}oOGc}Z4{?iI1Xs;7+*HQu2fz0l<sXc?E*89IrdxSNO|p+*P(8vv6xY-McT%`<
zNaWKYLC`T?7)WA=$U(FRY2b=OtGqRF$z-a&n`b?K4t|$rF)9Ljv_?p}dMzCoidhy5
zM1D^i_G%jRYpY=O*#@-rItJQ@gAi;|A*|&f+!O{iy&3y5q(+VcYyL!SWxqV})`0=v
zliyDUf9i^V4xw{SakaUYW$&G3Fv~+#eK^Yi0vjx@pK*`fbPq)8Ek~rc|Jd@w)MukT
z2VO|DUkp(oTy5TKxvcF!HQ4y@Jao3TL8>LCui=^AD9o)5iezt^WvXXwtO=9RH855$
z^3_%bsSXv?=y|!GrivePK%ce}^3g7c)Px`z>#`NDA6+pc4)Vw{>a8nbMY03uacwJC
ztc&&o`8{9RSPXwJmCtIzV?K@~wX83~Y!Y2Hy7IT?N;ahR4Lsw`7mpqmyq#8zlBis7
z|5TS&%M}83Q=+6gs#r#iKx9+s4o+|9*@vPgE3J$KFfxkd)-*4!h=%T3QMasb<jYDY
z^3jw@B)iX<gnysLEO&-JmCo*-V^%-rq({V<PT7y0XT-u|X0G>gy^m*H5t|f2vaI|H
zVk*~gU<B)LT}j>f(Jz2WMkOwD80FQvOjLHCY==N#rIC-U7)~5B>o0Pc9&Ux!CVP2d
zi_}P%iCikIWDn+Lk$>LG=<l9WKH(evu||KH>!TdLo=k{@{zetVCu(8-O*3>)pAoqe
zhZuVw9>{bmAK<ns#f^6}9O@><Sptr}RtGf~EJaWJIWfgt^rjh&p6v!i^i?>K^@!Zb
z3nqmg%?2?v`3eU<h3ov(Db{@X9RvHN&0uTQrV_dtex7-q^#QxI3%+Qn7LUL48yDy2
LtV}$5d0P1wHv?J?

diff --git a/main.cpp b/main.cpp
index 797b63b..d028fd1 100644
--- a/main.cpp
+++ b/main.cpp
@@ -91,18 +91,16 @@ INT WINAPI WinMain(HINSTANCE hinstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 	glewInit();
 
 	/*创建program*/
-	GLuint program = CreateGPUProgram("res/shader/MixLightMT.vs", "res/shader/MixLightMT.fs");
+	GLuint program = CreateGPUProgram("res/shader/ViewDepthMap.vs", "res/shader/ViewDepthMap.fs");
 
-	GLuint posLocation, texcoordLocation, normalLocation, MLocation, VLocation, PLocation, NMLocation, textureLocation, offsetLocation;
+	GLuint posLocation, texcoordLocation, normalLocation, MLocation, VLocation, PLocation;
 	posLocation = glGetAttribLocation(program, "pos");
 	texcoordLocation = glGetAttribLocation(program, "texcoord");
 	normalLocation = glGetAttribLocation(program, "normal");
-	offsetLocation = glGetAttribLocation(program, "offset");
+
 	MLocation = glGetUniformLocation(program, "M");
 	VLocation = glGetUniformLocation(program, "V");
 	PLocation = glGetUniformLocation(program, "P");
-	NMLocation = glGetUniformLocation(program, "NM");
-	textureLocation = glGetUniformLocation(program, "U_MainTexture");
 
 	/*load model*/
 	unsigned int *indexes = nullptr;
@@ -121,10 +119,10 @@ INT WINAPI WinMain(HINSTANCE hinstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 	glBindBuffer(GL_ARRAY_BUFFER, vbo);
 	glEnableVertexAttribArray(posLocation);
 	glVertexAttribPointer(posLocation, 3, GL_FLOAT, GL_FALSE, sizeof(VertexData), (void*)0);
-	glEnableVertexAttribArray(texcoordLocation);
+	/*glEnableVertexAttribArray(texcoordLocation);
 	glVertexAttribPointer(texcoordLocation, 2, GL_FLOAT, GL_FALSE, sizeof(VertexData), (void*)(sizeof(float) * 3));
 	glEnableVertexAttribArray(normalLocation);
-	glVertexAttribPointer(normalLocation, 3, GL_FLOAT, GL_FALSE, sizeof(VertexData), (void*)(sizeof(float) * 5));
+	glVertexAttribPointer(normalLocation, 3, GL_FLOAT, GL_FALSE, sizeof(VertexData), (void*)(sizeof(float) * 5));*/
 	glBindBuffer(GL_ARRAY_BUFFER, 0);
 
 	/*创建IBO*/
@@ -133,10 +131,6 @@ INT WINAPI WinMain(HINSTANCE hinstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 	/*创建纹理*/
 	GLuint mainTexture = CreateTextureFromFile("res/image/niutou.bmp");
 
-	/*创建FBO*/
-	GLuint colorBuffer, depthBuffer, colorBuffer2;
-	GLuint fbo = CreateFramebufferObject(colorBuffer, depthBuffer, windowWidth, windowHeight, &colorBuffer2);
-
 	glViewport(0, 0, windowWidth, windowHeight);
 
 	GL_CALL(glClearColor(0.1f, 0.4f, 0.7f, 1.0f));
@@ -150,7 +144,7 @@ INT WINAPI WinMain(HINSTANCE hinstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 		0,0,0,1
 	};
 
-	glm::mat4 model = glm::translate(0.0f, -0.5f, -3.0f) * glm::rotate(-90.0f, 0.0f, 1.0f, 0.0f)*glm::scale(0.01f,0.01f,0.01f);
+	glm::mat4 model = glm::translate(0.0f, -0.5f, -2.0f) * glm::rotate(-90.0f, 0.0f, 1.0f, 0.0f)*glm::scale(0.01f,0.01f,0.01f);
 	glm::mat4 projection = glm::perspective(45.0f, (float)windowWidth / (float)windowHeight, 0.1f, 1000.0f);
 	glm::mat4 normalMatrix = glm::inverseTranspose(model);
 
@@ -169,10 +163,6 @@ INT WINAPI WinMain(HINSTANCE hinstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 		glUniformMatrix4fv(MLocation, 1, GL_FALSE, glm::value_ptr(model));
 		glUniformMatrix4fv(VLocation, 1, GL_FALSE, identify);
 		glUniformMatrix4fv(PLocation, 1, GL_FALSE, glm::value_ptr(projection));
-		glUniformMatrix4fv(NMLocation, 1, GL_FALSE, glm::value_ptr(normalMatrix));
-
-		glBindTexture(GL_TEXTURE_2D, colorBuffer);
-		glUniform1i(textureLocation, 0);
 
 		glUniformMatrix4fv(MLocation, 1, GL_FALSE, glm::value_ptr(model));
 		glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo);
@@ -198,37 +188,10 @@ INT WINAPI WinMain(HINSTANCE hinstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 		}
 
 		//绘制内容到fbo
-		glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 		GL_CALL(glClearColor(0.1f, 0.4f, 0.7f, 1.0f));
 		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 		what();
-		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 
-		//把fbo绘制到一个四边形上
-		GL_CALL(glClearColor(0.5f, 0.4f, 0.7f, 1.0f));
-		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-		glEnable(GL_TEXTURE_2D);
-		glEnable(GL_SCISSOR_TEST);
-
-		glBindTexture(GL_TEXTURE_2D, colorBuffer);
-		glScissor(0, 0, windowWidth, windowHeight/2);
-		glBegin(GL_QUADS);
-		glTexCoord2f(0.0f, 0.0f); glVertex3f(-0.5f, -0.5f, -1.0f);
-		glTexCoord2f(1.0f, 0.0f); glVertex3f(0.5f, -0.5f, -1.0f);
-		glTexCoord2f(1.0f, 1.0f); glVertex3f(0.5f, 0.5f, -1.0f);
-		glTexCoord2f(0.0f, 1.0f); glVertex3f(-0.5f, 0.5f, -1.0f);
-		glEnd();
-
-		glBindTexture(GL_TEXTURE_2D, colorBuffer2);
-		glScissor(0, windowHeight / 2, windowWidth, windowHeight / 2);
-		glBegin(GL_QUADS);
-		glTexCoord2f(0.0f, 0.0f); glVertex3f(-0.5f, -0.5f, -1.0f);
-		glTexCoord2f(1.0f, 0.0f); glVertex3f(0.5f, -0.5f, -1.0f);
-		glTexCoord2f(1.0f, 1.0f); glVertex3f(0.5f, 0.5f, -1.0f);
-		glTexCoord2f(0.0f, 1.0f); glVertex3f(-0.5f, 0.5f, -1.0f);
-		glEnd();
-		
-		glDisable(GL_SCISSOR_TEST);
 		SwapBuffers(dc);
 	}
 
diff --git a/res/shader/ViewDepthMap.fs b/res/shader/ViewDepthMap.fs
new file mode 100644
index 0000000..d0f8368
--- /dev/null
+++ b/res/shader/ViewDepthMap.fs
@@ -0,0 +1,3 @@
+void main() {
+	gl_FragColor = vec4(vec3(pow(gl_FragCoord.z,32.0)), 1.0);
+}
\ No newline at end of file
diff --git a/res/shader/ViewDepthMap.vs b/res/shader/ViewDepthMap.vs
new file mode 100644
index 0000000..00b37d2
--- /dev/null
+++ b/res/shader/ViewDepthMap.vs
@@ -0,0 +1,10 @@
+attribute vec3 pos;
+attribute vec2 texcoord;
+attribute vec3 normal;
+
+uniform mat4 M;
+uniform mat4 V;
+uniform mat4 P;
+void main() {
+	gl_Position = P*V*M*vec4(pos, 1.0);	
+}
\ No newline at end of file
diff --git a/shader2.vcxproj b/shader2.vcxproj
index 14aeab5..bfff430 100644
--- a/shader2.vcxproj
+++ b/shader2.vcxproj
@@ -159,8 +159,8 @@
     <ClInclude Include="timer.h" />
   </ItemGroup>
   <ItemGroup>
-    <None Include="res\shader\MixLightMT.fs" />
-    <None Include="res\shader\MixLightMT.vs" />
+    <None Include="res\shader\ViewDepthMap.fs" />
+    <None Include="res\shader\ViewDepthMap.vs" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/shader2.vcxproj.filters b/shader2.vcxproj.filters
index 9ed379d..2a8311c 100644
--- a/shader2.vcxproj.filters
+++ b/shader2.vcxproj.filters
@@ -46,10 +46,10 @@
     </ClInclude>
   </ItemGroup>
   <ItemGroup>
-    <None Include="res\shader\MixLightMT.fs">
+    <None Include="res\shader\ViewDepthMap.fs">
       <Filter>婧愭枃浠�</Filter>
     </None>
-    <None Include="res\shader\MixLightMT.vs">
+    <None Include="res\shader\ViewDepthMap.vs">
       <Filter>婧愭枃浠�</Filter>
     </None>
   </ItemGroup>