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bloom最终效果

master
blobt 5 years ago
parent
47803259ee
commit
be226b54eb
3 changed files with 42 additions and 13 deletions
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  1. BIN
      .vs/shader3/v14/.suo
  2. 48
      main.cpp
  3. 5
      res/shader/hdr.fs

BIN
.vs/shader3/v14/.suo
View File

48
main.cpp
View File

@ -194,9 +194,12 @@ INT WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
fsq.Init(); fsq.Init();
//³õʼ»¯FBO //³õʼ»¯FBO
FBO fbo;
fbo.AttachColorBuffer("color", GL_COLOR_ATTACHMENT0, GL_RGBA, viewportWidth, viewportHeight);
fbo.AttachDepthBuffer("depth", viewportWidth, viewportHeight);
FBO fbo[2];
fbo[0].AttachColorBuffer("color", GL_COLOR_ATTACHMENT0, GL_RGBA, viewportWidth, viewportHeight);
fbo[0].AttachDepthBuffer("depth", viewportWidth, viewportHeight);
fbo[1].AttachColorBuffer("color", GL_COLOR_ATTACHMENT0, GL_RGBA, viewportWidth, viewportHeight);
fbo[1].AttachDepthBuffer("depth", viewportWidth, viewportHeight);
FBO HDRfbo; FBO HDRfbo;
HDRfbo.AttachColorBuffer("color", GL_COLOR_ATTACHMENT0, GL_RGBA, viewportWidth, viewportHeight); HDRfbo.AttachColorBuffer("color", GL_COLOR_ATTACHMENT0, GL_RGBA, viewportWidth, viewportHeight);
@ -207,7 +210,7 @@ INT WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
ShowWindow(hwnd, SW_SHOW); ShowWindow(hwnd, SW_SHOW);
UpdateWindow(hwnd); UpdateWindow(hwnd);
glClearColor(0.1f, 0.1f, 0.1f, 1.0f);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
MSG msg; MSG msg;
while (true) while (true)
{ {
@ -260,14 +263,43 @@ INT WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
glUseProgram(0); glUseProgram(0);
HDRfbo.Unbind(); HDRfbo.Unbind();
fbo.Bind();
/* blur start */
fbo[0].Bind();
glUseProgram(gaussianProgram.mProgram); glUseProgram(gaussianProgram.mProgram);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glActiveTexture(GL_TEXTURE0); glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, HDRfbo.GetBuffer("hdrcolor")); glBindTexture(GL_TEXTURE_2D, HDRfbo.GetBuffer("hdrcolor"));
glUniform1i(gaussianProgram.GetLocation("U_MainTexture"), 0); glUniform1i(gaussianProgram.GetLocation("U_MainTexture"), 0);
fsq.Draw(gaussianProgram.GetLocation("pos"), gaussianProgram.GetLocation("texcoord")); fsq.Draw(gaussianProgram.GetLocation("pos"), gaussianProgram.GetLocation("texcoord"));
fbo.Unbind();
fbo[0].Unbind();
fbo[1].Bind();
glUseProgram(gaussianProgram.mProgram);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, fbo[0].GetBuffer("color"));
glUniform1i(gaussianProgram.GetLocation("U_MainTexture"), 0);
fsq.Draw(gaussianProgram.GetLocation("pos"), gaussianProgram.GetLocation("texcoord"));
fbo[1].Unbind();
fbo[0].Bind();
glUseProgram(gaussianProgram.mProgram);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, fbo[1].GetBuffer("color"));
glUniform1i(gaussianProgram.GetLocation("U_MainTexture"), 0);
fsq.Draw(gaussianProgram.GetLocation("pos"), gaussianProgram.GetLocation("texcoord"));
fbo[0].Unbind();
fbo[1].Bind();
glUseProgram(gaussianProgram.mProgram);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, fbo[0].GetBuffer("color"));
glUniform1i(gaussianProgram.GetLocation("U_MainTexture"), 0);
fsq.Draw(gaussianProgram.GetLocation("pos"), gaussianProgram.GetLocation("texcoord"));
fbo[1].Unbind();
/* blur end */
glFlush(); glFlush();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@ -284,7 +316,7 @@ INT WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
fsq.DrawToRightTop(hdrProgram.GetLocation("pos"), hdrProgram.GetLocation("texcoord")); fsq.DrawToRightTop(hdrProgram.GetLocation("pos"), hdrProgram.GetLocation("texcoord"));
glUseProgram(gaussianProgram.mProgram); glUseProgram(gaussianProgram.mProgram);
glBindTexture(GL_TEXTURE_2D, fbo.GetBuffer("color"));
glBindTexture(GL_TEXTURE_2D, fbo[1].GetBuffer("color"));
glUniform1i(gaussianProgram.GetLocation("U_MainTexture"), 0); glUniform1i(gaussianProgram.GetLocation("U_MainTexture"), 0);
fsq.DrawToLeftBottom(gaussianProgram.GetLocation("pos"), gaussianProgram.GetLocation("texcoord")); fsq.DrawToLeftBottom(gaussianProgram.GetLocation("pos"), gaussianProgram.GetLocation("texcoord"));
@ -293,7 +325,7 @@ INT WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
glBindTexture(GL_TEXTURE_2D, HDRfbo.GetBuffer("color")); glBindTexture(GL_TEXTURE_2D, HDRfbo.GetBuffer("color"));
glUniform1i(combineProgram.GetLocation("U_MainTexture"), 0); glUniform1i(combineProgram.GetLocation("U_MainTexture"), 0);
glActiveTexture(GL_TEXTURE1); glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, HDRfbo.GetBuffer("hdrcolor"));
glBindTexture(GL_TEXTURE_2D, fbo[1].GetBuffer("color"));
glUniform1i(combineProgram.GetLocation("U_HDRTexture"), 1); glUniform1i(combineProgram.GetLocation("U_HDRTexture"), 1);
fsq.DrawToRightBottom(combineProgram.GetLocation("pos"), combineProgram.GetLocation("texcoord")); fsq.DrawToRightBottom(combineProgram.GetLocation("pos"), combineProgram.GetLocation("texcoord"));

5
res/shader/hdr.fs
View File

@ -71,9 +71,6 @@ void main()
vec4 color = ambientColor + diffuseColor + specularColor; vec4 color = ambientColor + diffuseColor + specularColor;
if(color.r > 1.0){
gl_FragData[1] = color;
} else {
gl_FragData[0] = color; gl_FragData[0] = color;
}
gl_FragData[1] = vec4(0.0);
} }
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