Attachment 99627 Details for Bug 79115 – Test case

Test case

depth_stencil_unbind.cc (text/plain), 1.91 KB, created by James Legg on 2014-05-23 11:32:44 UTC

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Creator: James Legg

Created: 2014-05-23 11:32:44 UTC

Size: 1.91 KB

patch

obsolete

>// Compile with c++ ./depth_stencil_unbind.cc -Wall $(pkg-config --cflags --libs glew sdl2 gl) -o depth_stencil_unbind
>
>#include <GL/glew.h>
>#include <SDL.h>
>#include <SDL_video.h>
>#include <iostream>
>#include <cassert>
>
>#define assert_gl_no_error assert(glGetError() == GL_NO_ERROR)
>
>int main()
>{
>	SDL_Init(SDL_INIT_VIDEO);
>	SDL_Window * const window = SDL_CreateWindow(
>		"Repeated creation of program binaries",
>		SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 256, 256,
>		SDL_WINDOW_OPENGL);
>	if (!window)
>	{
>		std::cerr << "Could not create window: "
>		          << SDL_GetError() << '\n';
>		return 1;
>	}
>
>	SDL_GLContext gl_context = SDL_GL_CreateContext(window);
>
>	const GLenum glew_error = glewInit();
>	if (glew_error != GLEW_OK)
>	{
>		std::cerr << "Could not initialise glew : "
>		          << glewGetErrorString(glew_error)<< '\n';
>		return 1;
>	}
>
>	GLuint renderbuffer;
>	glGenRenderbuffers(1, &renderbuffer);
>	assert(glGetError() == GL_NO_ERROR);
>	
>	glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer);
>	assert(glGetError() == GL_NO_ERROR);
>
>	glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, 256, 256);
>	assert(glGetError() == GL_NO_ERROR);
>
>	GLuint framebuffer;
>	glGenFramebuffers(1, &framebuffer);
>	assert(glGetError() == GL_NO_ERROR);
>	
>	glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer);
>	assert(glGetError() == GL_NO_ERROR);
>
>	glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, renderbuffer);
>	assert(glGetError() == GL_NO_ERROR);
>
>	glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, 0);
>	assert(glGetError() == GL_NO_ERROR);
>
>	GLint attachment_type;
>	glGetFramebufferAttachmentParameteriv(GL_DRAW_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE, &attachment_type);
>	assert(glGetError() == GL_NO_ERROR);
>	assert(attachment_type == GL_NONE);
>
>	SDL_GL_DeleteContext(gl_context);
>	SDL_DestroyWindow(window);
>	SDL_Quit();
>}

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Attachments on bug 79115: 99627 | 99628

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