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Switch to GL_ARB_framebuffer_object

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GTK+ 3.0 was currently using GL_EXT_framebuffer_object, which is
deprecated as the ARB version has been merged into OpenGL 3.0 as well as
OpenGL ES 2.0, and provides laxer requirements.
This commit is contained in:
Emmanuel Gil Peyrot
2020-06-11 21:23:49 +02:00
parent dea11781a5
commit 75a9f8dc92
2 changed files with 36 additions and 36 deletions
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38
gtk/gtkglarea.c
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@ -391,7 +391,7 @@ gtk_gl_area_ensure_buffers (GtkGLArea *area)
priv->have_buffers = TRUE;
glGenFramebuffersEXT (1, &priv->frame_buffer);
glGenFramebuffers (1, &priv->frame_buffer);
if (priv->has_alpha)
{
@ -402,7 +402,7 @@ gtk_gl_area_ensure_buffers (GtkGLArea *area)
/* Delete old render buffer if any */
if (priv->render_buffer != 0)
{
glDeleteRenderbuffersEXT(1, &priv->render_buffer);
glDeleteRenderbuffers (1, &priv->render_buffer);
priv->render_buffer = 0;
}
}
@ -410,7 +410,7 @@ gtk_gl_area_ensure_buffers (GtkGLArea *area)
{
/* For non-alpha we use render buffers so we can blit instead of texture the result */
if (priv->render_buffer == 0)
glGenRenderbuffersEXT (1, &priv->render_buffer);
glGenRenderbuffers (1, &priv->render_buffer);
/* Delete old texture if any */
if (priv->texture != 0)
@ -423,12 +423,12 @@ gtk_gl_area_ensure_buffers (GtkGLArea *area)
if ((priv->has_depth_buffer || priv->has_stencil_buffer))
{
if (priv->depth_stencil_buffer == 0)
glGenRenderbuffersEXT (1, &priv->depth_stencil_buffer);
glGenRenderbuffers (1, &priv->depth_stencil_buffer);
}
else if (priv->depth_stencil_buffer != 0)
{
/* Delete old depth/stencil buffer */
glDeleteRenderbuffersEXT (1, &priv->depth_stencil_buffer);
glDeleteRenderbuffers (1, &priv->depth_stencil_buffer);
priv->depth_stencil_buffer = 0;
}
@ -515,23 +515,23 @@ gtk_gl_area_attach_buffers (GtkGLArea *area)
else if (priv->needs_resize)
gtk_gl_area_allocate_buffers (area);
glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, priv->frame_buffer);
glBindFramebuffer (GL_FRAMEBUFFER, priv->frame_buffer);
if (priv->texture)
glFramebufferTexture2D (GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
glFramebufferTexture2D (GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, priv->texture, 0);
else if (priv->render_buffer)
glFramebufferRenderbufferEXT (GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
GL_RENDERBUFFER_EXT, priv->render_buffer);
glFramebufferRenderbuffer (GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_RENDERBUFFER, priv->render_buffer);
if (priv->depth_stencil_buffer)
{
if (priv->has_depth_buffer)
glFramebufferRenderbufferEXT (GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT,
GL_RENDERBUFFER_EXT, priv->depth_stencil_buffer);
glFramebufferRenderbuffer (GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
GL_RENDERBUFFER, priv->depth_stencil_buffer);
if (priv->has_stencil_buffer)
glFramebufferRenderbufferEXT (GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT,
GL_RENDERBUFFER_EXT, priv->depth_stencil_buffer);
glFramebufferRenderbuffer (GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT,
GL_RENDERBUFFER, priv->depth_stencil_buffer);
}
}
@ -547,7 +547,7 @@ gtk_gl_area_delete_buffers (GtkGLArea *area)
if (priv->render_buffer != 0)
{
glDeleteRenderbuffersEXT (1, &priv->render_buffer);
glDeleteRenderbuffers (1, &priv->render_buffer);
priv->render_buffer = 0;
}
@ -559,14 +559,14 @@ gtk_gl_area_delete_buffers (GtkGLArea *area)
if (priv->depth_stencil_buffer != 0)
{
glDeleteRenderbuffersEXT (1, &priv->depth_stencil_buffer);
glDeleteRenderbuffers (1, &priv->depth_stencil_buffer);
priv->depth_stencil_buffer = 0;
}
if (priv->frame_buffer != 0)
{
glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, 0);
glDeleteFramebuffersEXT (1, &priv->frame_buffer);
glBindFramebuffer (GL_FRAMEBUFFER, 0);
glDeleteFramebuffers (1, &priv->frame_buffer);
priv->frame_buffer = 0;
}
}
@ -707,8 +707,8 @@ gtk_gl_area_draw (GtkWidget *widget,
w = gtk_widget_get_allocated_width (widget) * scale;
h = gtk_widget_get_allocated_height (widget) * scale;
status = glCheckFramebufferStatusEXT (GL_FRAMEBUFFER_EXT);
if (status == GL_FRAMEBUFFER_COMPLETE_EXT)
status = glCheckFramebufferStatus (GL_FRAMEBUFFER);
if (status == GL_FRAMEBUFFER_COMPLETE)
{
if (priv->needs_render || priv->auto_render)
{