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client API: more opengl_cb clarifications 

Also fix a typo in ra_gl.c. Too greedy for a separate commit.
This commit is contained in:
wm4 2017-08-07 19:24:25 +02:00
parent d45fbecbb5
commit 168ffbaf23
2 changed files with 8 additions and 5 deletions
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11
libmpv/opengl_cb.h
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@ -68,9 +68,11 @@ extern "C" {
* defaults. Likewise, mpv will attempt to leave the OpenGL context with
* standard defaults. The following state is excluded from this:
*
* - the current viewport (can have/is set to an arbitrary value)
* - the glScissor state (but GL_SCISSOR_TEST is expected disabled)
* - glBlendFuncSeparate() state (but GL_BLEND is expected disabled)
* - the glViewport state
* - the glScissor state (but GL_SCISSOR_TEST is in its default value)
* - glBlendFuncSeparate() state (but GL_BLEND is in its default value)
* - glClearColor() state
* - mpv may overwrite the callback set with glDebugMessageCallback()
* - mpv always disables GL_DITHER at init
*
* Messing with the state could be avoided by creating shared OpenGL contexts,
@ -78,7 +80,8 @@ extern "C" {
*
* On OpenGL 2.1, mpv will strictly call functions like glGenTextures() to
* create OpenGL objects. You will have to do the same. This ensures that
* objects created by mpv and the API users don't clash.
* objects created by mpv and the API users don't clash. Also, legacy state
* must be either in its defaults, or not interfere with core state.
*
* Threading
* ---------

2
video/out/opengl/ra_gl.c
View File

@ -235,7 +235,7 @@ static struct ra_tex *gl_tex_create(struct ra *ra,
gl->GenFramebuffers(1, &tex_gl->fbo);
gl->BindFramebuffer(GL_FRAMEBUFFER, tex_gl->fbo);
gl->FramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, tex_gl->texture, 0);
GL_TEXTURE_2D, tex_gl->texture, 0);
GLenum err = gl->CheckFramebufferStatus(GL_FRAMEBUFFER);
gl->BindFramebuffer(GL_FRAMEBUFFER, 0);