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Merge pull request #226 from olliwang/framebuffer

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Improve the use of NVGLUframebuffer.
This commit is contained in:
Mikko Mononen 2015-06-13 11:10:04 +03:00
commit 6ae087333d
2 changed files with 7 additions and 6 deletions
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2
example/example_fbo.c
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@ -259,7 +259,7 @@ int main()
glfwPollEvents();
}
nvgluDeleteFramebuffer(vg, fb);
nvgluDeleteFramebuffer(fb);
nvgDeleteGL3(vg);

11
src/nanovg_gl_utils.h
View file

@ -30,7 +30,7 @@ typedef struct NVGLUframebuffer NVGLUframebuffer;
// Helper function to create GL frame buffer to render to.
void nvgluBindFramebuffer(NVGLUframebuffer* fb);
NVGLUframebuffer* nvgluCreateFramebuffer(NVGcontext* ctx, int w, int h, int imageFlags);
void nvgluDeleteFramebuffer(NVGcontext* ctx, NVGLUframebuffer* fb);
void nvgluDeleteFramebuffer(NVGLUframebuffer* fb);
#endif // NANOVG_GL_UTILS_H
@ -65,6 +65,7 @@ NVGLUframebuffer* nvgluCreateFramebuffer(NVGcontext* ctx, int w, int h, int imag
fb->image = nvgCreateImageRGBA(ctx, w, h, imageFlags | NVG_IMAGE_FLIPY | NVG_IMAGE_PREMULTIPLIED, NULL);
fb->texture = nvglImageHandle(ctx, fb->image);
fb->ctx = ctx;
// frame buffer object
glGenFramebuffers(1, &fb->fbo);
@ -87,7 +88,7 @@ NVGLUframebuffer* nvgluCreateFramebuffer(NVGcontext* ctx, int w, int h, int imag
error:
glBindFramebuffer(GL_FRAMEBUFFER, defaultFBO);
glBindRenderbuffer(GL_RENDERBUFFER, defaultRBO);
nvgluDeleteFramebuffer(ctx, fb);
nvgluDeleteFramebuffer(fb);
return NULL;
#else
NVG_NOTUSED(ctx);
@ -108,7 +109,7 @@ void nvgluBindFramebuffer(NVGLUframebuffer* fb)
#endif
}
void nvgluDeleteFramebuffer(NVGcontext* ctx, NVGLUframebuffer* fb)
void nvgluDeleteFramebuffer(NVGLUframebuffer* fb)
{
#ifdef NANOVG_FBO_VALID
if (fb == NULL) return;
@ -117,14 +118,14 @@ void nvgluDeleteFramebuffer(NVGcontext* ctx, NVGLUframebuffer* fb)
if (fb->rbo != 0)
glDeleteRenderbuffers(1, &fb->rbo);
if (fb->image >= 0)
nvgDeleteImage(ctx, fb->image);
nvgDeleteImage(fb->ctx, fb->image);
fb->ctx = NULL;
fb->fbo = 0;
fb->rbo = 0;
fb->texture = 0;
fb->image = -1;
free(fb);
#else
NVG_NOTUSED(ctx);
NVG_NOTUSED(fb);
#endif
}