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2021/12/21 02:28

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@@ -4,6 +4,10 @@
+#### 現状追記
+`Draw_Final()`関数が実行されることによってpingpongColorbuffers[1]がDraw_Final()のシェーダーによって書き換わることがわかりました。
 ##### 説明
 /////コメント部内部がbloom効果を発するコードです。
@@ -44,622 +48,602 @@
-	glBindFramebuffer(GL_FRAMEBUFFER, depthMapFBO);
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-	glEnable(GL_DEPTH_TEST);
-	glViewport(0,0, FrameWork::windowContext->getSize().x, FrameWork::windowContext->getSize().y);
 	glClearColor(0.1f, 0.1f, 0.1f, 1.0f);
+	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+	sprite->Draw(getViewProjection(), glm::vec3(0, 0, -200), 0, 0.0f, glm::vec2(1.0, 1.0), glm::vec2(0, 0), glm::vec2(100, 100));			//カラーバッファ
+	sprite->Draw_Luminance(colorBuffers[0], glm::vec3(0, 0, -200), 0, 0.0f, glm::vec2(1.0, 1.0), glm::vec2(0, 0), glm::vec2(100, 100));		//輝度バッファ
-	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+	sprite->Draw_setBlur(quadVertices,quadVAO, quadVBO,colorBuffers[1],pingpongColorbuffers,pingpongFBO);									//ブラー
-	glBindFramebuffer(GL_FRAMEBUFFER, hdrFBO);
-	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-	glClearColor(0.1f, 0.1f, 0.1f, 1.0f);
-	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-	sprite->Draw(getViewProjection(), glm::vec3(0, 0, -200), 0, 0.0f, glm::vec2(1.0, 1.0), glm::vec2(0, 0), glm::vec2(100, 100));			//カラーバッファ
-	sprite->Draw_Luminance(colorBuffers[0], glm::vec3(0, 0, -200), 0, 0.0f, glm::vec2(1.0, 1.0), glm::vec2(0, 0), glm::vec2(100, 100));		//輝度バッファ
-	sprite->Draw_setBlur(quadVertices,quadVAO, quadVBO,colorBuffers[1],pingpongColorbuffers,pingpongFBO);									//ブラー
+	sprite->Draw_Final(colorBuffers[0], pingpongColorbuffers);		//カラーバッファに書き込み
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+	glDisable(GL_DEPTH_TEST);
+	glBindFramebuffer(GL_FRAMEBUFFER, 0);
+	//フレームバッファ描画
+	glBindVertexArray(quadVAO);
+	glBindBuffer(GL_ARRAY_BUFFER, quadVBO);
+	shader.setEnable();
+	shader.setUniform1i("hdr", 1);
+	//glBindTexture(GL_TEXTURE_2D, textureColorbuffer);
+	//glBindTexture(GL_TEXTURE_2D, colorBuffers[1]);
+//	glBindTexture(GL_TEXTURE_2D, colorBuffers[0]);
+	glBindTexture(GL_TEXTURE_2D, pingpongColorbuffers[0]);
+//	glBindTexture(GL_TEXTURE_2D, pingpongColorbuffers[1]);
+	glActiveTexture(GL_TEXTURE0);
-	sprite->Draw_Final(colorBuffers[0], pingpongColorbuffers);		//カラーバッファに書き込み
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-	glDisable(GL_DEPTH_TEST);
+	glDrawArrays(GL_TRIANGLES, 0, 6);
+	shader.setDisable();
+	glBindVertexArray(0);
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+	actor.clear();
+	shadowActor.clear();
+}
+```
+##### Bloom実装部
+```CPP
+// ##################################### テクスチャ描画 #####################################
+void FrameWork::D2::Sprite::Draw(glm::mat4 projection,glm::vec3 position, int texNum, float r, glm::vec2 s, glm::vec2 start, glm::vec2 end)
+{
+	shaderTexture.setEnable();
+	glBindVertexArray(vao);
+	glBindBuffer(GL_ARRAY_BUFFER, vbo);
+	startSize = start;	//テクスチャ始点
+	endSize = end;		//テクスチャ終点
+	vertex->resize(6);
+	setAttribute();		//頂点属性　設定
+	setNormal();		//法線	設定
+	glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(VertexAttribute) * vertex->size(), vertex->data());
+	//Transform
+	glm::vec3 pos = position;
+	pos.y = (float)FrameWork::windowContext->getSize().y - pos.y - (glm::vec2(end - start).y / 2);
+	pos.x = pos.x + (glm::vec2(end - start).x / 2);
+	//setPosition(pos);						//座標
+	setPosition(position);
+	//setScale(s + glm::vec2(end - start));	//スケール
+	setScale(glm::vec2(100,100));	//スケール
+	setRotate(PI / 4);							//回転
+	//描画
+	shaderTexture.setUniform3f("uLightPosition", glm::vec3(0, 0, -199));
+	//shaderTexture.setUniform3f("uLightPosition", glm::vec3(0, 0, 10));
+	shaderTexture.setUniform3f("uLightColor", glm::vec3(1, 1, 1));
+	shaderTexture.setUniform3f("uObjectColor", glm::vec3(1, 0, 0));
+	shaderTexture.setUniform3f("uViewPosition", glm::vec3(0, 0, 10));
+	shaderTexture.setUniform1f("uAmbientStrength",1.0f);
+	shaderTexture.setUniform1f("uSpecularStrength",0.5);
+	shaderTexture.setUniform1f("uShininessStrength",256.0);
+	shaderTexture.setUniformMatrix4fv("uTranslate",getMatTranslation());
+	shaderTexture.setUniformMatrix4fv("uRotate", getMatRotate());
+	shaderTexture.setUniformMatrix4fv("uScale", getMatScale());
+	shaderTexture.setUniformMatrix4fv("uViewProjection", projection);
+	//shaderTexture.setUniformMatrix4fv("uViewProjection", glm::ortho(0.0f, (float)FrameWork::windowContext->getSize().x, 0.0f, (float)FrameWork::windowContext->getSize().y));
+	//printf("%d\n",textureID.at(texNum));
+	//glActiveTexture(GL_TEXTURE0);						//テクスチャ有効
+	//glBindTexture(GL_TEXTURE_2D, textureID.at(texNum)); //テクスチャバインド
+	glDrawArrays(GL_TRIANGLES, 0, vertex->size()); //描画
+	//バインド解除
+	glBindVertexArray(0);
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+	//glBindTexture(GL_TEXTURE_2D, 0);
+	shaderTexture.setDisable();
+}
+// ##################################### 輝度描画 #####################################
+void FrameWork::D2::Sprite::Draw_Luminance(GLuint texture, glm::vec3 position, int texNum, float r, glm::vec2 s, glm::vec2 start, glm::vec2 end)
+{
+	shaderLuminance.setEnable();
+	glBindVertexArray(vao);
+	glBindBuffer(GL_ARRAY_BUFFER, vbo);
+	startSize = start;	//テクスチャ始点
+	endSize = end;		//テクスチャ終点
+	vertex->resize(6);
+	setAttribute();		//頂点属性　設定
+	setNormal();		//法線	設定
+	glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(VertexAttribute) * vertex->size(), vertex->data());
+	//Transform
+	glm::vec3 pos = position;
+	pos.y = (float)FrameWork::windowContext->getSize().y - pos.y - (glm::vec2(end - start).y / 2);
+	pos.x = pos.x + (glm::vec2(end - start).x / 2);
+	//setPosition(pos);						//座標
+	setPosition(position);
+	setScale(s + glm::vec2(end - start));	//スケール
+	//setScale(glm::vec2(100,100));	//スケール
+	setRotate(r);							//回転
+	glActiveTexture(GL_TEXTURE0);						//テクスチャ有効
+	glBindTexture(GL_TEXTURE_2D, texture); //テクスチャバインド
+	glDrawArrays(GL_TRIANGLES, 0, vertex->size()); //描画
+	//バインド解除
+	glBindVertexArray(0);
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+	glBindTexture(GL_TEXTURE_2D, 0);
+	shaderLuminance.setDisable();
+}
+// ##################################### bloom ブラー　描画 #####################################
+void FrameWork::D2::Sprite::Draw_setBlur(float vert[24], const GLuint quadVAO, const GLuint quadVBO, const GLint frameBuffer_Luminance, GLuint pingpongColorbuffers[2], GLuint pingpongFBO[2])
+{
+	horizontal = 0;
+	bool first_iteration = true;
+	unsigned int amount = 10;
+	setAttribute();	 //頂点属性　設定
+	glBindVertexArray(vao2);
+	glBindBuffer(GL_ARRAY_BUFFER, vbo2);
+	horizontal = 0;
+	glBindFramebuffer(GL_FRAMEBUFFER, pingpongFBO[0]);
+	shaderBloomBlur.setEnable();
+	glBindTexture(GL_TEXTURE_2D, frameBuffer_Luminance);
+	glActiveTexture(GL_TEXTURE0);
+	shaderBloomBlur.setUniform1i("horizontal", 0);
+	glDrawArrays(GL_TRIANGLES, 0, 6); //描画
+	glBindTexture(GL_TEXTURE_2D, 0);
+	shaderBloomBlur.setDisable();
+	horizontal = 1;
+	for (int i = 0; i < amount; i++)
+	{
+		//printf("%d\n",horizontal);
+		shaderBloomBlur.setEnable();
+		glBindFramebuffer(GL_FRAMEBUFFER, pingpongFBO[horizontal]);
+		if (horizontal == 1)
+		{
+			glBindTexture(GL_TEXTURE_2D, pingpongColorbuffers[0]);
+		}
+		else
+		{
+			glBindTexture(GL_TEXTURE_2D, pingpongColorbuffers[1]);
+		}
+		glActiveTexture(GL_TEXTURE0);
+		shaderBloomBlur.setUniform1i("horizontal", horizontal);
+		glDrawArrays(GL_TRIANGLES, 0, 6); //描画
+		shaderBloomBlur.setDisable();
+		glBindTexture(GL_TEXTURE_2D, 0);
+		if (horizontal == 1)
+		{
+			horizontal = 0;
+		}
+		else
+		{
+			horizontal = 1;
+		}
+	}
+	//バインド解除
+	glBindVertexArray(0);
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+	glBindTexture(GL_TEXTURE_2D, 0);
 	glBindFramebuffer(GL_FRAMEBUFFER, 0);
+}
+// ##################################### ブラーをカラーバッファに書き込み #####################################
+void FrameWork::D2::Sprite::Draw_Final(GLuint frameBuffer, GLuint pingpongColorbuffers[2])
+{
-	//フレームバッファ描画
+	shaderBloomFinal.setEnable();
-	glBindVertexArray(quadVAO);
+	glBindVertexArray(vao2);
-	glBindBuffer(GL_ARRAY_BUFFER, quadVBO);
+	glBindBuffer(GL_ARRAY_BUFFER, vbo2);
-	shader.setEnable();
-	shader.setUniform1i("hdr", 1);
-	//glBindTexture(GL_TEXTURE_2D, textureColorbuffer);
-	//glBindTexture(GL_TEXTURE_2D, colorBuffers[1]);
-//	glBindTexture(GL_TEXTURE_2D, colorBuffers[0]);
-	glBindTexture(GL_TEXTURE_2D, pingpongColorbuffers[0]);
-//	glBindTexture(GL_TEXTURE_2D, pingpongColorbuffers[1]);
 	glActiveTexture(GL_TEXTURE0);
+	glBindTexture(GL_TEXTURE_2D, frameBuffer);
+	glActiveTexture(GL_TEXTURE1);
+	glBindTexture(GL_TEXTURE_2D, pingpongColorbuffers[horizontal]);
+	shaderBloomFinal.setUniform1i("bloom", 1);
+	shaderBloomFinal.setUniform1f("exposure", 2.0f);
 	glDrawArrays(GL_TRIANGLES, 0, 6);
-	shader.setDisable();
 	glBindVertexArray(0);
 	glBindBuffer(GL_ARRAY_BUFFER, 0);
-	actor.clear();
-	shadowActor.clear();
+	shaderBloomFinal.setDisable();
 }
 ```
-##### Bloom実装部
+##### Draw_Final()シェーダー部
-```CPP
+```glsl
-// ##################################### テクスチャ描画 #####################################
+/*#########################################################################
+# バーティックスシェーダー
+###########################################################################*/
-void FrameWork::D2::Sprite::Draw(glm::mat4 projection,glm::vec3 position, int texNum, float r, glm::vec2 s, glm::vec2 start, glm::vec2 end)
+layout (location = 0) in vec2 vertexPosition;
+layout (location = 1) in vec2 vertexUV;
+out vec2 TexCoords;
+void main()
 {
-	shaderTexture.setEnable();
-	glBindVertexArray(vao);
-	glBindBuffer(GL_ARRAY_BUFFER, vbo);
-	startSize = start;	//テクスチャ始点
-	endSize = end;		//テクスチャ終点
-	vertex->resize(6);
+    TexCoords = vertexUV;
-	setAttribute();		//頂点属性　設定
-	setNormal();		//法線	設定
-	glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(VertexAttribute) * vertex->size(), vertex->data());
-	//Transform
-	glm::vec3 pos = position;
-	pos.y = (float)FrameWork::windowContext->getSize().y - pos.y - (glm::vec2(end - start).y / 2);
-	pos.x = pos.x + (glm::vec2(end - start).x / 2);
-	//setPosition(pos);						//座標
-	setPosition(position);
+    gl_Position = vec4(vertexPosition,-1.0, 1.0);
-	//setScale(s + glm::vec2(end - start));	//スケール
-	setScale(glm::vec2(100,100));	//スケール
-	setRotate(PI / 4);							//回転
-	//描画
-	shaderTexture.setUniform3f("uLightPosition", glm::vec3(0, 0, -199));
-	//shaderTexture.setUniform3f("uLightPosition", glm::vec3(0, 0, 10));
-	shaderTexture.setUniform3f("uLightColor", glm::vec3(1, 1, 1));
-	shaderTexture.setUniform3f("uObjectColor", glm::vec3(1, 0, 0));
-	shaderTexture.setUniform3f("uViewPosition", glm::vec3(0, 0, 10));
-	shaderTexture.setUniform1f("uAmbientStrength",1.0f);
-	shaderTexture.setUniform1f("uSpecularStrength",0.5);
-	shaderTexture.setUniform1f("uShininessStrength",256.0);
-	shaderTexture.setUniformMatrix4fv("uTranslate",getMatTranslation());
-	shaderTexture.setUniformMatrix4fv("uRotate", getMatRotate());
-	shaderTexture.setUniformMatrix4fv("uScale", getMatScale());
-	shaderTexture.setUniformMatrix4fv("uViewProjection", projection);
-	//shaderTexture.setUniformMatrix4fv("uViewProjection", glm::ortho(0.0f, (float)FrameWork::windowContext->getSize().x, 0.0f, (float)FrameWork::windowContext->getSize().y));
-	//printf("%d\n",textureID.at(texNum));
-	//glActiveTexture(GL_TEXTURE0);						//テクスチャ有効
-	//glBindTexture(GL_TEXTURE_2D, textureID.at(texNum)); //テクスチャバインド
-	glDrawArrays(GL_TRIANGLES, 0, vertex->size()); //描画
-	//バインド解除
-	glBindVertexArray(0);
-	glBindBuffer(GL_ARRAY_BUFFER, 0);
-	//glBindTexture(GL_TEXTURE_2D, 0);
-	shaderTexture.setDisable();
 }
-// ##################################### 輝度描画 #####################################
-void FrameWork::D2::Sprite::Draw_Luminance(GLuint texture, glm::vec3 position, int texNum, float r, glm::vec2 s, glm::vec2 start, glm::vec2 end)
-{
-	shaderLuminance.setEnable();
-	glBindVertexArray(vao);
-	glBindBuffer(GL_ARRAY_BUFFER, vbo);
-	startSize = start;	//テクスチャ始点
-	endSize = end;		//テクスチャ終点
-	vertex->resize(6);
-	setAttribute();		//頂点属性　設定
-	setNormal();		//法線	設定
-	glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(VertexAttribute) * vertex->size(), vertex->data());
-	//Transform
-	glm::vec3 pos = position;
-	pos.y = (float)FrameWork::windowContext->getSize().y - pos.y - (glm::vec2(end - start).y / 2);
-	pos.x = pos.x + (glm::vec2(end - start).x / 2);
-	//setPosition(pos);						//座標
-	setPosition(position);
-	setScale(s + glm::vec2(end - start));	//スケール
-	//setScale(glm::vec2(100,100));	//スケール
-	setRotate(r);							//回転
-	glActiveTexture(GL_TEXTURE0);						//テクスチャ有効
-	glBindTexture(GL_TEXTURE_2D, texture); //テクスチャバインド
-	glDrawArrays(GL_TRIANGLES, 0, vertex->size()); //描画
-	//バインド解除
-	glBindVertexArray(0);
-	glBindBuffer(GL_ARRAY_BUFFER, 0);
-	glBindTexture(GL_TEXTURE_2D, 0);
-	shaderLuminance.setDisable();
+```
+```glsl
+/*#########################################################################
+# フラグメントシェーダー
+###########################################################################*/
+out vec4 FragColor;
+//layout(location = 0) out vec4 FragColor;
+in vec2 TexCoords;
+uniform sampler2D scene;
+uniform sampler2D bloomBlur;
+uniform int bloom;
+uniform float exposure;
+void main()
+{
+    const float gamma = 2.2;
+    vec3 hdrColor = texture(scene, TexCoords).rgb;
+    vec3 bloomColor = texture(bloomBlur, TexCoords).rgb;
+    if(bloom == 1)
+    {
+        hdrColor += bloomColor; // additive blending
+    }
+    // tone mapping
+    vec3 result = vec3(1.0) - exp(-hdrColor * exposure);
+    // also gamma correct while we're at it
+    result = pow(result, vec3(1.0 / gamma));
+    FragColor = vec4(result, 1.0);
+//    FragColor = vec4(hdrColor, 1.0);
 }
-// ##################################### bloom ブラー　描画 #####################################
-void FrameWork::D2::Sprite::Draw_setBlur(float vert[24], const GLuint quadVAO, const GLuint quadVBO, const GLint frameBuffer_Luminance, GLuint pingpongColorbuffers[2], GLuint pingpongFBO[2])
-{
-	horizontal = 0;
-	bool first_iteration = true;
-	unsigned int amount = 10;
-	setAttribute();	 //頂点属性　設定
-	glBindVertexArray(vao2);
-	glBindBuffer(GL_ARRAY_BUFFER, vbo2);
-	horizontal = 0;
-	glBindFramebuffer(GL_FRAMEBUFFER, pingpongFBO[0]);
-	shaderBloomBlur.setEnable();
-	glBindTexture(GL_TEXTURE_2D, frameBuffer_Luminance);
-	glActiveTexture(GL_TEXTURE0);
-	shaderBloomBlur.setUniform1i("horizontal", 0);
-	glDrawArrays(GL_TRIANGLES, 0, 6); //描画
-	glBindTexture(GL_TEXTURE_2D, 0);
-	shaderBloomBlur.setDisable();
-	horizontal = 1;
-	for (int i = 0; i < amount; i++)
-	{
-		//printf("%d\n",horizontal);
-		shaderBloomBlur.setEnable();
-		glBindFramebuffer(GL_FRAMEBUFFER, pingpongFBO[horizontal]);
-		if (horizontal == 1)
-		{
-			glBindTexture(GL_TEXTURE_2D, pingpongColorbuffers[0]);
-		}
-		else
-		{
-			glBindTexture(GL_TEXTURE_2D, pingpongColorbuffers[1]);
-		}
-		glActiveTexture(GL_TEXTURE0);
-		shaderBloomBlur.setUniform1i("horizontal", horizontal);
-		glDrawArrays(GL_TRIANGLES, 0, 6); //描画
-		shaderBloomBlur.setDisable();
-		glBindTexture(GL_TEXTURE_2D, 0);
-		if (horizontal == 1)
-		{
-			horizontal = 0;
-		}
-		else
-		{
-			horizontal = 1;
-		}
-	}
-	//バインド解除
-	glBindVertexArray(0);
-	glBindBuffer(GL_ARRAY_BUFFER, 0);
-	glBindTexture(GL_TEXTURE_2D, 0);
-	glBindFramebuffer(GL_FRAMEBUFFER, 0);
-}
-// ##################################### ブラーをカラーバッファに書き込み #####################################
-void FrameWork::D2::Sprite::Draw_Final(GLuint frameBuffer, GLuint pingpongColorbuffers[2])
-{
-	shaderBloomFinal.setEnable();
-	glBindVertexArray(vao2);
-	glBindBuffer(GL_ARRAY_BUFFER, vbo2);
-	glActiveTexture(GL_TEXTURE0);
-	glBindTexture(GL_TEXTURE_2D, frameBuffer);
-	glActiveTexture(GL_TEXTURE1);
-	glBindTexture(GL_TEXTURE_2D, pingpongColorbuffers[horizontal]);
-	shaderBloomFinal.setUniform1i("bloom", 1);
-	shaderBloomFinal.setUniform1f("exposure", 2.0f);
-	glDrawArrays(GL_TRIANGLES, 0, 6);
-	glBindVertexArray(0);
-	glBindBuffer(GL_ARRAY_BUFFER, 0);
-	shaderBloomFinal.setDisable();
-}
 ```
-##### Draw_Final()シェーダー部
-```glsl
-/*#########################################################################
-# バーティックスシェーダー
-###########################################################################*/
-layout (location = 0) in vec2 vertexPosition;
-layout (location = 1) in vec2 vertexUV;
-out vec2 TexCoords;
-void main()
-{
-    TexCoords = vertexUV;
-    gl_Position = vec4(vertexPosition,-1.0, 1.0);
-}
-```
-```glsl
-/*#########################################################################
-# フラグメントシェーダー
-###########################################################################*/
-out vec4 FragColor;
-//layout(location = 0) out vec4 FragColor;
-in vec2 TexCoords;
-uniform sampler2D scene;
-uniform sampler2D bloomBlur;
-uniform int bloom;
-uniform float exposure;
-void main()
-{
-    const float gamma = 2.2;
-    vec3 hdrColor = texture(scene, TexCoords).rgb;
-    vec3 bloomColor = texture(bloomBlur, TexCoords).rgb;
-    if(bloom == 1)
-    {
-        hdrColor += bloomColor; // additive blending
-    }
-    // tone mapping
-    vec3 result = vec3(1.0) - exp(-hdrColor * exposure);
-    // also gamma correct while we're at it
-    result = pow(result, vec3(1.0 / gamma));
-    FragColor = vec4(result, 1.0);
-//    FragColor = vec4(hdrColor, 1.0);
-}
-```