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Restore bound texture when FGLRenderBuffers::Setup finishes

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This commit is contained in:
Magnus Norddahl 2016-08-13 22:24:21 +02:00 committed by Christoph Oelckers
parent 94b72d25e9
commit fd4422eb62
1 changed files with 11 additions and 5 deletions
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16
src/gl/renderer/gl_renderbuffers.cpp
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@ -149,6 +149,12 @@ void FGLRenderBuffers::Setup(int width, int height, int sceneWidth, int sceneHei
int samples = GetCvarSamples();
GLint activeTex;
GLint textureBinding;
glGetIntegerv(GL_ACTIVE_TEXTURE, &activeTex);
glActiveTexture(GL_TEXTURE0);
glGetIntegerv(GL_TEXTURE_BINDING_2D, &textureBinding);
if (width == mWidth && height == mHeight && mSamples != samples)
{
CreateScene(mWidth, mHeight, samples);
@ -171,8 +177,8 @@ void FGLRenderBuffers::Setup(int width, int height, int sceneWidth, int sceneHei
mBloomHeight = sceneHeight;
}
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, 0);
glBindTexture(GL_TEXTURE_BINDING_2D, textureBinding);
glActiveTexture(activeTex);
glBindRenderbuffer(GL_RENDERBUFFER, 0);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
@ -293,7 +299,6 @@ GLuint FGLRenderBuffers::Create2DTexture(GLuint format, int width, int height)
GLuint type = (format == GL_RGBA16F) ? GL_FLOAT : GL_UNSIGNED_BYTE;
GLuint handle = 0;
glGenTextures(1, &handle);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, handle);
glTexImage2D(GL_TEXTURE_2D, 0, format, width, height, 0, GL_RGBA, type, nullptr);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
@ -414,9 +419,10 @@ void FGLRenderBuffers::CheckFrameBufferCompleteness()
void FGLRenderBuffers::ClearFrameBuffer()
{
GLint scissorEnabled, stencilValue;
GLboolean scissorEnabled;
GLint stencilValue;
GLdouble depthValue;
glGetIntegerv(GL_SCISSOR_TEST, &scissorEnabled);
glGetBooleanv(GL_SCISSOR_TEST, &scissorEnabled);
glGetIntegerv(GL_STENCIL_CLEAR_VALUE, &stencilValue);
glGetDoublev(GL_DEPTH_CLEAR_VALUE, &depthValue);
glDisable(GL_SCISSOR_TEST);