Mercurial > touhou
diff pytouhou/ui/opengl/backend.pyx @ 585:e0166cda75d5
Use primitive-restart to lower the size of our ibo, if supported.
| author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
|---|---|
| date | Wed, 08 Oct 2014 14:28:37 +0200 |
| parents | 47cf4e3d159d |
| children | 6c9d8a3d853f |
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--- a/pytouhou/ui/opengl/backend.pyx +++ b/pytouhou/ui/opengl/backend.pyx @@ -6,7 +6,8 @@ from pytouhou.lib.opengl cimport \ GL_PERSPECTIVE_CORRECTION_HINT, GL_FOG_HINT, GL_NICEST, GL_COLOR_ARRAY, GL_VERTEX_ARRAY, GL_TEXTURE_COORD_ARRAY, glPushDebugGroup, GL_DEBUG_SOURCE_APPLICATION, glPopDebugGroup, - epoxy_gl_version, epoxy_is_desktop_gl, epoxy_has_gl_extension) + epoxy_gl_version, epoxy_is_desktop_gl, epoxy_has_gl_extension, + GL_PRIMITIVE_RESTART, glPrimitiveRestartIndex) GameRenderer = None @@ -45,13 +46,14 @@ def init(options): def discover_features(): '''Discover which features are supported by our context.''' - global use_debug_group, use_vao, shader_header + global use_debug_group, use_vao, use_primitive_restart, shader_header version = epoxy_gl_version() is_desktop = epoxy_is_desktop_gl() use_debug_group = (is_desktop and version >= 43) or epoxy_has_gl_extension('GL_KHR_debug') use_vao = (is_desktop and version >= 30) or epoxy_has_gl_extension('GL_ARB_vertex_array_object') + use_primitive_restart = (is_desktop and version >= 31) if is_desktop: # gl_FragColor isn’t supported anymore starting with GLSL 4.2. @@ -105,6 +107,10 @@ def create_window(title, x, y, width, he glEnableClientState(GL_VERTEX_ARRAY) glEnableClientState(GL_TEXTURE_COORD_ARRAY) + if use_primitive_restart: + glEnable(GL_PRIMITIVE_RESTART) + glPrimitiveRestartIndex(0xFFFF); + if use_debug_group: glPopDebugGroup()