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Fix broken viewport/backbuffer location for WriteSavePic

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This commit is contained in:
Magnus Norddahl 2016-07-31 16:23:21 +02:00
parent a6354c74cf
commit 7709db4bb0
7 changed files with 74 additions and 79 deletions
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10
src/gl/data/gl_vertexbuffer.h
View file

@ -105,6 +105,16 @@ public:
if (pcount) *pcount = count;
}
void RenderScreenQuad(float maxU = 1.0f, float maxV = 1.0f)
{
FFlatVertex *ptr = GetBuffer();
ptr->Set(-1.0f, -1.0f, 0, 0.0f, 0.0f); ptr++;
ptr->Set(-1.0f, 1.0f, 0, 0.0f, maxV); ptr++;
ptr->Set(1.0f, -1.0f, 0, maxU, 0.0f); ptr++;
ptr->Set(1.0f, 1.0f, 0, maxU, maxV); ptr++;
RenderCurrent(ptr, GL_TRIANGLE_STRIP);
}
#endif
void Reset()
{

122
src/gl/renderer/gl_postprocess.cpp
View file

@ -145,14 +145,7 @@ void FGLRenderer::BloomScene()
mBloomExtractShader->Bind();
mBloomExtractShader->SceneTexture.Set(0);
mBloomExtractShader->Exposure.Set(mCameraExposure);
{
FFlatVertex *ptr = mVBO->GetBuffer();
ptr->Set(-1.0f, -1.0f, 0, 0.0f, 0.0f); ptr++;
ptr->Set(-1.0f, 1.0f, 0, 0.0f, 1.0f); ptr++;
ptr->Set(1.0f, -1.0f, 0, 1.0f, 0.0f); ptr++;
ptr->Set(1.0f, 1.0f, 0, 1.0f, 1.0f); ptr++;
mVBO->RenderCurrent(ptr, GL_TRIANGLE_STRIP);
}
mVBO->RenderScreenQuad();
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
@ -183,14 +176,7 @@ void FGLRenderer::BloomScene()
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
mBloomCombineShader->Bind();
mBloomCombineShader->BloomTexture.Set(0);
{
FFlatVertex *ptr = mVBO->GetBuffer();
ptr->Set(-1.0f, -1.0f, 0, 0.0f, 0.0f); ptr++;
ptr->Set(-1.0f, 1.0f, 0, 0.0f, 1.0f); ptr++;
ptr->Set(1.0f, -1.0f, 0, 1.0f, 0.0f); ptr++;
ptr->Set(1.0f, 1.0f, 0, 1.0f, 1.0f); ptr++;
mVBO->RenderCurrent(ptr, GL_TRIANGLE_STRIP);
}
mVBO->RenderScreenQuad();
}
mBlurShader->BlurHorizontal(mVBO, blurAmount, sampleCount, level0.VTexture, level0.HFramebuffer, level0.Width, level0.Height);
@ -208,14 +194,7 @@ void FGLRenderer::BloomScene()
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
mBloomCombineShader->Bind();
mBloomCombineShader->BloomTexture.Set(0);
{
FFlatVertex *ptr = mVBO->GetBuffer();
ptr->Set(-1.0f, -1.0f, 0, 0.0f, 0.0f); ptr++;
ptr->Set(-1.0f, 1.0f, 0, 0.0f, 1.0f); ptr++;
ptr->Set(1.0f, -1.0f, 0, 1.0f, 0.0f); ptr++;
ptr->Set(1.0f, 1.0f, 0, 1.0f, 1.0f); ptr++;
mVBO->RenderCurrent(ptr, GL_TRIANGLE_STRIP);
}
mVBO->RenderScreenQuad();
if (blendEnabled)
glEnable(GL_BLEND);
@ -263,13 +242,7 @@ void FGLRenderer::TonemapScene()
mTonemapShader->Bind();
mTonemapShader->SceneTexture.Set(0);
mTonemapShader->Exposure.Set(mCameraExposure);
FFlatVertex *ptr = mVBO->GetBuffer();
ptr->Set(-1.0f, -1.0f, 0, 0.0f, 0.0f); ptr++;
ptr->Set(-1.0f, 1.0f, 0, 0.0f, 1.0f); ptr++;
ptr->Set(1.0f, -1.0f, 0, 1.0f, 0.0f); ptr++;
ptr->Set(1.0f, 1.0f, 0, 1.0f, 1.0f); ptr++;
mVBO->RenderCurrent(ptr, GL_TRIANGLE_STRIP);
mVBO->RenderScreenQuad();
if (blendEnabled)
glEnable(GL_BLEND);
@ -287,7 +260,7 @@ void FGLRenderer::TonemapScene()
//
//-----------------------------------------------------------------------------
void FGLRenderer::Flush()
void FGLRenderer::CopyToBackbuffer(const GL_IRECT *bounds)
{
if (FGLRenderBuffers::IsEnabled())
{
@ -311,40 +284,51 @@ void FGLRenderer::Flush()
mBuffers->BindOutputFB();
// Calculate letterbox
int clientWidth = framebuffer->GetClientWidth();
int clientHeight = framebuffer->GetClientHeight();
float scaleX = clientWidth / (float)mOutputViewport.width;
float scaleY = clientHeight / (float)mOutputViewport.height;
float scale = MIN(scaleX, scaleY);
int width = (int)round(mOutputViewport.width * scale);
int height = (int)round(mOutputViewport.height * scale);
int x = (clientWidth - width) / 2;
int y = (clientHeight - height) / 2;
int x, y, width, height;
if (bounds)
{
x = bounds->left;
y = bounds->top;
width = bounds->width;
height = bounds->height;
}
else
{
// Calculate letterbox
int clientWidth = framebuffer->GetClientWidth();
int clientHeight = framebuffer->GetClientHeight();
float scaleX = clientWidth / (float)mScreenViewport.width;
float scaleY = clientHeight / (float)mScreenViewport.height;
float scale = MIN(scaleX, scaleY);
width = (int)round(mScreenViewport.width * scale);
height = (int)round(mScreenViewport.height * scale);
x = (clientWidth - width) / 2;
y = (clientHeight - height) / 2;
// Black bars around the box:
glViewport(0, 0, clientWidth, clientHeight);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glEnable(GL_SCISSOR_TEST);
if (y > 0)
{
glScissor(0, 0, clientWidth, y);
glClear(GL_COLOR_BUFFER_BIT);
}
if (clientHeight - y - height > 0)
{
glScissor(0, y + height, clientWidth, clientHeight - y - height);
glClear(GL_COLOR_BUFFER_BIT);
}
if (x > 0)
{
glScissor(0, y, x, height);
glClear(GL_COLOR_BUFFER_BIT);
}
if (clientWidth - x - width > 0)
{
glScissor(x + width, y, clientWidth - x - width, height);
glClear(GL_COLOR_BUFFER_BIT);
// Black bars around the box:
glViewport(0, 0, clientWidth, clientHeight);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glEnable(GL_SCISSOR_TEST);
if (y > 0)
{
glScissor(0, 0, clientWidth, y);
glClear(GL_COLOR_BUFFER_BIT);
}
if (clientHeight - y - height > 0)
{
glScissor(0, y + height, clientWidth, clientHeight - y - height);
glClear(GL_COLOR_BUFFER_BIT);
}
if (x > 0)
{
glScissor(0, y, x, height);
glClear(GL_COLOR_BUFFER_BIT);
}
if (clientWidth - x - width > 0)
{
glScissor(x + width, y, clientWidth - x - width, height);
glClear(GL_COLOR_BUFFER_BIT);
}
}
glDisable(GL_SCISSOR_TEST);
@ -367,13 +351,7 @@ void FGLRenderer::Flush()
mPresentShader->Brightness.Set(clamp<float>(vid_brightness, -0.8f, 0.8f));
}
mBuffers->BindHudTexture(0);
FFlatVertex *ptr = GLRenderer->mVBO->GetBuffer();
ptr->Set(-1.0f, -1.0f, 0, 0.0f, 0.0f); ptr++;
ptr->Set(-1.0f, 1.0f, 0, 0.0f, 1.0f); ptr++;
ptr->Set(1.0f, -1.0f, 0, 1.0f, 0.0f); ptr++;
ptr->Set(1.0f, 1.0f, 0, 1.0f, 1.0f); ptr++;
GLRenderer->mVBO->RenderCurrent(ptr, GL_TRIANGLE_STRIP);
mVBO->RenderScreenQuad(width / (float)mBuffers->GetWidth(), height / (float)mBuffers->GetHeight());
if (blendEnabled)
glEnable(GL_BLEND);

3
src/gl/renderer/gl_renderbuffers.h
View file

@ -34,6 +34,9 @@ public:
static bool IsEnabled();
int GetWidth() const { return mWidth; }
int GetHeight() const { return mHeight; }
private:
void ClearScene();
void ClearHud();

5
src/gl/renderer/gl_renderer.h
View file

@ -118,7 +118,7 @@ public:
angle_t FrustumAngle();
void SetViewArea();
void SetOutputViewport(GL_IRECT *bounds);
void Set3DViewport(bool toscreen);
void Set3DViewport(bool mainview);
void Reset3DViewport();
sector_t *RenderViewpoint (AActor * camera, GL_IRECT * bounds, float fov, float ratio, float fovratio, bool mainview, bool toscreen);
void RenderView(player_t *player);
@ -160,7 +160,8 @@ public:
void EndDrawScene(sector_t * viewsector);
void BloomScene();
void TonemapScene();
void Flush();
void CopyToBackbuffer(const GL_IRECT *bounds);
void Flush() { CopyToBackbuffer(nullptr); }
void SetProjection(float fov, float ratio, float fovratio);
void SetProjection(VSMatrix matrix); // raw matrix input from stereo 3d modes

9
src/gl/scene/gl_scene.cpp
View file

@ -166,9 +166,9 @@ void FGLRenderer::Reset3DViewport()
//
//-----------------------------------------------------------------------------
void FGLRenderer::Set3DViewport(bool toscreen)
void FGLRenderer::Set3DViewport(bool mainview)
{
if (toscreen && FGLRenderBuffers::IsEnabled())
if (mainview && FGLRenderBuffers::IsEnabled())
{
mBuffers->Setup(mOutputViewport.width, mOutputViewport.height);
mBuffers->BindSceneFB();
@ -840,7 +840,7 @@ sector_t * FGLRenderer::RenderViewpoint (AActor * camera, GL_IRECT * bounds, flo
eye->SetUp();
// TODO: stereo specific viewport - needed when implementing side-by-side modes etc.
SetOutputViewport(bounds);
Set3DViewport(toscreen);
Set3DViewport(mainview);
mDrawingScene2D = true;
mCurrentFoV = fov;
// Stereo mode specific perspective projection
@ -859,7 +859,7 @@ sector_t * FGLRenderer::RenderViewpoint (AActor * camera, GL_IRECT * bounds, flo
ProcessScene(toscreen);
if (mainview) EndDrawScene(retval); // do not call this for camera textures.
if (toscreen)
if (mainview)
{
if (FGLRenderBuffers::IsEnabled()) mBuffers->BlitSceneToTexture();
BloomScene();
@ -976,6 +976,7 @@ void FGLRenderer::WriteSavePic (player_t *player, FILE *file, int width, int hei
gl_RenderState.SetSoftLightLevel(-1);
screen->Begin2D(false);
DrawBlend(viewsector);
CopyToBackbuffer(&bounds);
glFlush();
byte * scr = (byte *)M_Malloc(width * height * 3);

1
src/gl/shaders/gl_presentshader.cpp
View file

@ -58,6 +58,7 @@ void FPresentShader::Bind()
mShader.SetFragDataLocation(0, "FragColor");
mShader.Link("shaders/glsl/present");
mShader.SetAttribLocation(0, "PositionInProjection");
mShader.SetAttribLocation(1, "UV");
InputTexture.Init(mShader, "InputTexture");
Gamma.Init(mShader, "Gamma");
Contrast.Init(mShader, "Contrast");

3
wadsrc/static/shaders/glsl/present.vp
View file

@ -1,9 +1,10 @@
in vec4 PositionInProjection;
in vec2 UV;
out vec2 TexCoord;
void main()
{
gl_Position = PositionInProjection;
TexCoord = PositionInProjection.xy * 0.5 + 0.5;
TexCoord = UV;
}