st/mesa: expose ARB_ES2_compatibility if GL_FIXED vertex format is supported
Tested with softpipe and llvmpipe. Reviewed-by: Brian Paul <brianp@vmware.com>
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@ -515,6 +515,12 @@ void st_init_extensions(struct st_context *st)
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ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
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}
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if (screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_FIXED,
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PIPE_BUFFER, 0,
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PIPE_BIND_VERTEX_BUFFER)) {
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ctx->Extensions.ARB_ES2_compatibility = GL_TRUE;
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}
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if (screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY, PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) {
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#if 0 /* XXX re-enable when GLSL compiler again supports geometry shaders */
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ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;
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