https://bugs.freedesktop.org/show_bug.cgi?id=41221
--- Comment #4 from Ian Romanick <i...@freedesktop.org> 2011-11-23 13:25:47 PST
---
The examples from the Orange book use desktop OpenGL. OpenGL ES 2.0 has the
added restriction (compared to desktop OpenGL 2.x) that there *must* be both a
vertex shader and a fragment shader. Since ES2.0 lacks any fixed-function
vertex (or fragment) processing, there is no other way.
In the Mesa demos repository, there is a program called es2_info. Can you add
the full output from that program? It should look something like below. The
exact output will be different because I'm using a different GPU, etc.
EGL_VERSION = 1.4 (DRI2)
EGL_VENDOR = Mesa Project
EGL_EXTENSIONS = EGL_MESA_drm_image EGL_KHR_image_base EGL_KHR_image_pixmap
EGL_KHR_image EGL_KHR_gl_renderbuffer_image EGL_KHR_surfaceless_gles1
EGL_KHR_surfaceless_gles2 EGL_KHR_surfaceless_opengl EGL_NOK_swap_region
EGL_NOK_texture_from_pixmap
EGL_CLIENT_APIS = OpenGL OpenGL_ES OpenGL_ES2
GL_VERSION: OpenGL ES 2.0 Mesa 7.11.1
GL_RENDERER: Mesa DRI Intel(R) Sandybridge Mobile
GL_EXTENSIONS:
GL_EXT_blend_minmax, GL_EXT_multi_draw_arrays,
GL_EXT_texture_filter_anisotropic, GL_OES_depth24,
GL_OES_element_index_uint, GL_OES_fbo_render_mipmap, GL_OES_mapbuffer,
GL_OES_rgb8_rgba8, GL_OES_stencil8, GL_OES_texture_3D,
GL_OES_texture_npot, GL_OES_EGL_image, GL_OES_depth_texture,
GL_OES_packed_depth_stencil, GL_EXT_texture_type_2_10_10_10_REV,
GL_EXT_texture_format_BGRA8888
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